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Code source de Serendipity 1.2 |
1 // htmlArea v3.0 - Copyright (c) 2003-2004 dynarch.com 2 // 2002-2003 interactivetools.com, inc. 3 // This copyright notice MUST stay intact for use (see license.txt). 4 // 5 // A free WYSIWYG editor replacement for <textarea> fields. 6 // For full source code and docs, visit http://www.interactivetools.com/ 7 // 8 // Version 3.0 developed by Mihai Bazon. 9 // http://dynarch.com/mishoo/ 10 // 11 // $Id: htmlarea.js,v 1.7 2005/01/11 15:00:34 garvinhicking Exp $ 12 13 if (typeof _editor_url == "string") { 14 // Leave exactly one backslash at the end of _editor_url 15 _editor_url = _editor_url.replace(/\x2f*$/, '/'); 16 } else { 17 alert("WARNING: _editor_url is not set! You should set this variable to the editor files path; it should preferably be an absolute path, like in '/htmlarea/', but it can be relative if you prefer. Further we will try to load the editor files correctly but we'll probably fail."); 18 _editor_url = ''; 19 } 20 21 // make sure we have a language 22 if (typeof _editor_lang == "string") { 23 _editor_lang = _editor_lang.toLowerCase(); 24 } else { 25 _editor_lang = "en"; 26 } 27 28 // browser identification 29 HTMLArea.agt = navigator.userAgent.toLowerCase(); 30 HTMLArea.is_ie = ((HTMLArea.agt.indexOf("msie") != -1) && (HTMLArea.agt.indexOf("opera") == -1)); 31 HTMLArea.is_opera = (HTMLArea.agt.indexOf("opera") != -1); 32 HTMLArea.is_mac = (HTMLArea.agt.indexOf("mac") != -1); 33 HTMLArea.is_mac_ie = (HTMLArea.is_ie && HTMLArea.is_mac); 34 HTMLArea.is_win_ie = (HTMLArea.is_ie && !HTMLArea.is_mac); 35 HTMLArea.is_gecko = (navigator.product == "Gecko"); 36 37 // Creates a new HTMLArea object. Tries to replace the textarea with the given 38 // ID with it. 39 function HTMLArea(textarea, config) { 40 if (HTMLArea.checkSupportedBrowser()) { 41 if (typeof config == "undefined") { 42 this.config = new HTMLArea.Config(); 43 } else { 44 this.config = config; 45 } 46 this._htmlArea = null; 47 this._textArea = textarea; 48 this._editMode = "wysiwyg"; 49 this.plugins = {}; 50 this._timerToolbar = null; 51 this._timerUndo = null; 52 this._undoQueue = new Array(this.config.undoSteps); 53 this._undoPos = -1; 54 this._customUndo = false; 55 this._mdoc = document; // cache the document, we need it in plugins 56 this.doctype = ''; 57 } 58 }; 59 60 HTMLArea.onload = function(){}; 61 HTMLArea._scripts = []; 62 HTMLArea.loadScript = function(url, plugin) { 63 if (plugin) 64 url = HTMLArea.getPluginDir(plugin) + '/' + url; 65 this._scripts.push(url); 66 }; 67 68 HTMLArea.init = function() { 69 var head = document.getElementsByTagName("head")[0]; 70 var current = 0; 71 var savetitle = document.title; 72 var evt = HTMLArea.is_ie ? "onreadystatechange" : "onload"; 73 function loadNextScript() { 74 if (current > 0 && HTMLArea.is_ie && 75 !/loaded|complete/.test(window.event.srcElement.readyState)) 76 return; 77 if (current < HTMLArea._scripts.length) { 78 var url = HTMLArea._scripts[current++]; 79 document.title = "[HTMLArea: loading script " + current + "/" + HTMLArea._scripts.length + "]"; 80 var script = document.createElement("script"); 81 script.type = "text/javascript"; 82 script.src = url; 83 script[evt] = loadNextScript; 84 head.appendChild(script); 85 } else { 86 document.title = savetitle; 87 HTMLArea.onload(); 88 } 89 }; 90 loadNextScript(); 91 }; 92 93 HTMLArea.loadScript(_editor_url + "dialog.js"); 94 HTMLArea.loadScript(_editor_url + "popupwin.js"); 95 HTMLArea.loadScript(_editor_url + "lang/" + _editor_lang + ".js"); 96 97 // cache some regexps 98 HTMLArea.RE_tagName = /(<\/|<)\s*([^ \t\n>]+)/ig; 99 HTMLArea.RE_doctype = /(<!doctype((.|\n)*?)>)\n?/i; 100 HTMLArea.RE_head = /<head>((.|\n)*?)<\/head>/i; 101 HTMLArea.RE_body = /<body>((.|\n)*?)<\/body>/i; 102 103 HTMLArea.Config = function () { 104 this.version = "3.0"; 105 106 this.width = "auto"; 107 this.height = "auto"; 108 109 // enable creation of a status bar? 110 this.statusBar = true; 111 112 // intercept ^V and use the HTMLArea paste command 113 // If false, then passes ^V through to browser editor widget 114 this.htmlareaPaste = false; 115 116 // maximum size of the undo queue 117 this.undoSteps = 20; 118 119 // the time interval at which undo samples are taken 120 this.undoTimeout = 500; // 1/2 sec. 121 122 // the next parameter specifies whether the toolbar should be included 123 // in the size or not. 124 this.sizeIncludesToolbar = true; 125 126 // if true then HTMLArea will retrieve the full HTML, starting with the 127 // <HTML> tag. 128 this.fullPage = false; 129 130 // style included in the iframe document 131 this.pageStyle = ""; 132 133 // set to true if you want Word code to be cleaned upon Paste 134 this.killWordOnPaste = true; 135 136 // enable the 'Target' field in the Make Link dialog 137 this.makeLinkShowsTarget = true; 138 139 // BaseURL included in the iframe document 140 this.baseURL = document.baseURI || document.URL; 141 if (this.baseURL && this.baseURL.match(/(.*)\/([^\/]+)/)) 142 this.baseURL = RegExp.$1 + "/"; 143 144 // URL-s 145 this.imgURL = "images/"; 146 this.popupURL = "popups/"; 147 148 // remove tags (these have to be a regexp, or null if this functionality is not desired) 149 this.htmlRemoveTags = null; 150 151 /** CUSTOMIZING THE TOOLBAR 152 * ------------------------- 153 * 154 * It is recommended that you customize the toolbar contents in an 155 * external file (i.e. the one calling HTMLArea) and leave this one 156 * unchanged. That's because when we (InteractiveTools.com) release a 157 * new official version, it's less likely that you will have problems 158 * upgrading HTMLArea. 159 */ 160 this.toolbar = [ 161 [ "fontname", "space", 162 "fontsize", "space", 163 "formatblock", "space", 164 "bold", "italic", "underline", "strikethrough", "separator", 165 "subscript", "superscript", "separator", 166 "copy", "cut", "paste", "space", "undo", "redo", "space", "removeformat", "killword" ], 167 168 [ "justifyleft", "justifycenter", "justifyright", "justifyfull", "separator", 169 "lefttoright", "righttoleft", "separator", 170 "orderedlist", "unorderedlist", "outdent", "indent", "separator", 171 "forecolor", "hilitecolor", "separator", 172 "inserthorizontalrule", "createlink", "insertimage", "inserttable", "htmlmode", "separator", 173 "popupeditor", "separator", "showhelp", "about" ] 174 ]; 175 176 this.fontname = { 177 "— font —": '', 178 "Arial": 'arial,helvetica,sans-serif', 179 "Courier New": 'courier new,courier,monospace', 180 "Georgia": 'georgia,times new roman,times,serif', 181 "Tahoma": 'tahoma,arial,helvetica,sans-serif', 182 "Times New Roman": 'times new roman,times,serif', 183 "Verdana": 'verdana,arial,helvetica,sans-serif', 184 "impact": 'impact', 185 "WingDings": 'wingdings' 186 }; 187 188 this.fontsize = { 189 "— size —" : "", 190 "1 (8 pt)" : "1", 191 "2 (10 pt)": "2", 192 "3 (12 pt)": "3", 193 "4 (14 pt)": "4", 194 "5 (18 pt)": "5", 195 "6 (24 pt)": "6", 196 "7 (36 pt)": "7" 197 }; 198 199 this.formatblock = { 200 "— format —" : "", 201 "Heading 1": "h1", 202 "Heading 2": "h2", 203 "Heading 3": "h3", 204 "Heading 4": "h4", 205 "Heading 5": "h5", 206 "Heading 6": "h6", 207 "Normal" : "p", 208 "Address" : "address", 209 "Formatted": "pre" 210 }; 211 212 this.customSelects = {}; 213 214 function cut_copy_paste(e, cmd, obj) { 215 e.execCommand(cmd); 216 }; 217 218 this.debug = true; 219 220 // ADDING CUSTOM BUTTONS: please read below! 221 // format of the btnList elements is "ID: [ ToolTip, Icon, Enabled in text mode?, ACTION ]" 222 // - ID: unique ID for the button. If the button calls document.execCommand 223 // it's wise to give it the same name as the called command. 224 // - ACTION: function that gets called when the button is clicked. 225 // it has the following prototype: 226 // function(editor, buttonName) 227 // - editor is the HTMLArea object that triggered the call 228 // - buttonName is the ID of the clicked button 229 // These 2 parameters makes it possible for you to use the same 230 // handler for more HTMLArea objects or for more different buttons. 231 // - ToolTip: default tooltip, for cases when it is not defined in the -lang- file (HTMLArea.I18N) 232 // - Icon: path to an icon image file for the button (TODO: use one image for all buttons!) 233 // - Enabled in text mode: if false the button gets disabled for text-only mode; otherwise enabled all the time. 234 this.btnList = { 235 bold: [ "Bold", "ed_format_bold.gif", false, function(e) {e.execCommand("bold");} ], 236 italic: [ "Italic", "ed_format_italic.gif", false, function(e) {e.execCommand("italic");} ], 237 underline: [ "Underline", "ed_format_underline.gif", false, function(e) {e.execCommand("underline");} ], 238 strikethrough: [ "Strikethrough", "ed_format_strike.gif", false, function(e) {e.execCommand("strikethrough");} ], 239 subscript: [ "Subscript", "ed_format_sub.gif", false, function(e) {e.execCommand("subscript");} ], 240 superscript: [ "Superscript", "ed_format_sup.gif", false, function(e) {e.execCommand("superscript");} ], 241 justifyleft: [ "Justify Left", "ed_align_left.gif", false, function(e) {e.execCommand("justifyleft");} ], 242 justifycenter: [ "Justify Center", "ed_align_center.gif", false, function(e) {e.execCommand("justifycenter");} ], 243 justifyright: [ "Justify Right", "ed_align_right.gif", false, function(e) {e.execCommand("justifyright");} ], 244 justifyfull: [ "Justify Full", "ed_align_justify.gif", false, function(e) {e.execCommand("justifyfull");} ], 245 orderedlist: [ "Ordered List", "ed_list_num.gif", false, function(e) {e.execCommand("insertorderedlist");} ], 246 unorderedlist: [ "Bulleted List", "ed_list_bullet.gif", false, function(e) {e.execCommand("insertunorderedlist");} ], 247 outdent: [ "Decrease Indent", "ed_indent_less.gif", false, function(e) {e.execCommand("outdent");} ], 248 indent: [ "Increase Indent", "ed_indent_more.gif", false, function(e) {e.execCommand("indent");} ], 249 forecolor: [ "Font Color", "ed_color_fg.gif", false, function(e) {e.execCommand("forecolor");} ], 250 hilitecolor: [ "Background Color", "ed_color_bg.gif", false, function(e) {e.execCommand("hilitecolor");} ], 251 inserthorizontalrule: [ "Horizontal Rule", "ed_hr.gif", false, function(e) {e.execCommand("inserthorizontalrule");} ], 252 createlink: [ "Insert Web Link", "ed_link.gif", false, function(e) {e.execCommand("createlink", true);} ], 253 insertimage: [ "Insert/Modify Image", "ed_image.gif", false, function(e) {e.execCommand("insertimage");} ], 254 inserttable: [ "Insert Table", "insert_table.gif", false, function(e) {e.execCommand("inserttable");} ], 255 htmlmode: [ "Toggle HTML Source", "ed_html.gif", true, function(e) {e.execCommand("htmlmode");} ], 256 popupeditor: [ "Enlarge Editor", "fullscreen_maximize.gif", true, function(e) {e.execCommand("popupeditor");} ], 257 about: [ "About this editor", "ed_about.gif", true, function(e) {e.execCommand("about");} ], 258 showhelp: [ "Help using editor", "ed_help.gif", true, function(e) {e.execCommand("showhelp");} ], 259 undo: [ "Undoes your last action", "ed_undo.gif", false, function(e) {e.execCommand("undo");} ], 260 redo: [ "Redoes your last action", "ed_redo.gif", false, function(e) {e.execCommand("redo");} ], 261 cut: [ "Cut selection", "ed_cut.gif", false, cut_copy_paste ], 262 copy: [ "Copy selection", "ed_copy.gif", false, cut_copy_paste ], 263 paste: [ "Paste from clipboard", "ed_paste.gif", false, cut_copy_paste ], 264 lefttoright: [ "Direction left to right", "ed_left_to_right.gif", false, function(e) {e.execCommand("lefttoright");} ], 265 righttoleft: [ "Direction right to left", "ed_right_to_left.gif", false, function(e) {e.execCommand("righttoleft");} ], 266 removeformat: [ "Remove formatting", "ed_rmformat.gif", false, function(e) {e.execCommand("removeformat");} ], 267 print: [ "Print document", "ed_print.gif", false, function(e) {e._iframe.contentWindow.print();} ], 268 killword: [ "Clear MSOffice tags", "ed_killword.gif", false, function(e) {e.execCommand("killword");} ] 269 }; 270 /* ADDING CUSTOM BUTTONS 271 * --------------------- 272 * 273 * It is recommended that you add the custom buttons in an external 274 * file and leave this one unchanged. That's because when we 275 * (InteractiveTools.com) release a new official version, it's less 276 * likely that you will have problems upgrading HTMLArea. 277 * 278 * Example on how to add a custom button when you construct the HTMLArea: 279 * 280 * var editor = new HTMLArea("your_text_area_id"); 281 * var cfg = editor.config; // this is the default configuration 282 * cfg.btnList["my-hilite"] = 283 * [ function(editor) { editor.surroundHTML('<span style="background:yellow">', '</span>'); }, // action 284 * "Highlight selection", // tooltip 285 * "my_hilite.gif", // image 286 * false // disabled in text mode 287 * ]; 288 * cfg.toolbar.push(["linebreak", "my-hilite"]); // add the new button to the toolbar 289 * 290 * An alternate (also more convenient and recommended) way to 291 * accomplish this is to use the registerButton function below. 292 */ 293 // initialize tooltips from the I18N module and generate correct image path 294 for (var i in this.btnList) { 295 var btn = this.btnList[i]; 296 btn[1] = _editor_url + this.imgURL + btn[1]; 297 if (typeof HTMLArea.I18N.tooltips[i] != "undefined") { 298 btn[0] = HTMLArea.I18N.tooltips[i]; 299 } 300 } 301 }; 302 303 /** Helper function: register a new button with the configuration. It can be 304 * called with all 5 arguments, or with only one (first one). When called with 305 * only one argument it must be an object with the following properties: id, 306 * tooltip, image, textMode, action. Examples: 307 * 308 * 1. config.registerButton("my-hilite", "Hilite text", "my-hilite.gif", false, function(editor) {...}); 309 * 2. config.registerButton({ 310 * id : "my-hilite", // the ID of your button 311 * tooltip : "Hilite text", // the tooltip 312 * image : "my-hilite.gif", // image to be displayed in the toolbar 313 * textMode : false, // disabled in text mode 314 * action : function(editor) { // called when the button is clicked 315 * editor.surroundHTML('<span class="hilite">', '</span>'); 316 * }, 317 * context : "p" // will be disabled if outside a <p> element 318 * }); 319 */ 320 HTMLArea.Config.prototype.registerButton = function(id, tooltip, image, textMode, action, context) { 321 var the_id; 322 if (typeof id == "string") { 323 the_id = id; 324 } else if (typeof id == "object") { 325 the_id = id.id; 326 } else { 327 alert("ERROR [HTMLArea.Config::registerButton]:\ninvalid arguments"); 328 return false; 329 } 330 // check for existing id 331 if (typeof this.customSelects[the_id] != "undefined") { 332 // alert("WARNING [HTMLArea.Config::registerDropdown]:\nA dropdown with the same ID already exists."); 333 } 334 if (typeof this.btnList[the_id] != "undefined") { 335 // alert("WARNING [HTMLArea.Config::registerDropdown]:\nA button with the same ID already exists."); 336 } 337 switch (typeof id) { 338 case "string": this.btnList[id] = [ tooltip, image, textMode, action, context ]; break; 339 case "object": this.btnList[id.id] = [ id.tooltip, id.image, id.textMode, id.action, id.context ]; break; 340 } 341 }; 342 343 /** The following helper function registers a dropdown box with the editor 344 * configuration. You still have to add it to the toolbar, same as with the 345 * buttons. Call it like this: 346 * 347 * FIXME: add example 348 */ 349 HTMLArea.Config.prototype.registerDropdown = function(object) { 350 // check for existing id 351 if (typeof this.customSelects[object.id] != "undefined") { 352 // alert("WARNING [HTMLArea.Config::registerDropdown]:\nA dropdown with the same ID already exists."); 353 } 354 if (typeof this.btnList[object.id] != "undefined") { 355 // alert("WARNING [HTMLArea.Config::registerDropdown]:\nA button with the same ID already exists."); 356 } 357 this.customSelects[object.id] = object; 358 }; 359 360 /** Call this function to remove some buttons/drop-down boxes from the toolbar. 361 * Pass as the only parameter a string containing button/drop-down names 362 * delimited by spaces. Note that the string should also begin with a space 363 * and end with a space. Example: 364 * 365 * config.hideSomeButtons(" fontname fontsize textindicator "); 366 * 367 * It's useful because it's easier to remove stuff from the defaul toolbar than 368 * create a brand new toolbar ;-) 369 */ 370 HTMLArea.Config.prototype.hideSomeButtons = function(remove) { 371 var toolbar = this.toolbar; 372 for (var i = toolbar.length; --i >= 0;) { 373 var line = toolbar[i]; 374 for (var j = line.length; --j >= 0; ) { 375 if (remove.indexOf(" " + line[j] + " ") >= 0) { 376 var len = 1; 377 if (/separator|space/.test(line[j + 1])) { 378 len = 2; 379 } 380 line.splice(j, len); 381 } 382 } 383 } 384 }; 385 386 /** Helper function: replace all TEXTAREA-s in the document with HTMLArea-s. */ 387 HTMLArea.replaceAll = function(config) { 388 var tas = document.getElementsByTagName("textarea"); 389 for (var i = tas.length; i > 0; (new HTMLArea(tas[--i], config)).generate()); 390 }; 391 392 /** Helper function: replaces the TEXTAREA with the given ID with HTMLArea. */ 393 HTMLArea.replace = function(id, config) { 394 var ta = HTMLArea.getElementById("textarea", id); 395 return ta ? (new HTMLArea(ta, config)).generate() : null; 396 }; 397 398 // Creates the toolbar and appends it to the _htmlarea 399 HTMLArea.prototype._createToolbar = function () { 400 var editor = this; // to access this in nested functions 401 402 var toolbar = document.createElement("div"); 403 this._toolbar = toolbar; 404 toolbar.className = "toolbar"; 405 toolbar.unselectable = "1"; 406 var tb_row = null; 407 var tb_objects = new Object(); 408 this._toolbarObjects = tb_objects; 409 410 // creates a new line in the toolbar 411 function newLine() { 412 var table = document.createElement("table"); 413 table.border = "0px"; 414 table.cellSpacing = "0px"; 415 table.cellPadding = "0px"; 416 toolbar.appendChild(table); 417 // TBODY is required for IE, otherwise you don't see anything 418 // in the TABLE. 419 var tb_body = document.createElement("tbody"); 420 table.appendChild(tb_body); 421 tb_row = document.createElement("tr"); 422 tb_body.appendChild(tb_row); 423 }; // END of function: newLine 424 // init first line 425 newLine(); 426 427 // updates the state of a toolbar element. This function is member of 428 // a toolbar element object (unnamed objects created by createButton or 429 // createSelect functions below). 430 function setButtonStatus(id, newval) { 431 var oldval = this[id]; 432 var el = this.element; 433 if (oldval != newval) { 434 switch (id) { 435 case "enabled": 436 if (newval) { 437 HTMLArea._removeClass(el, "buttonDisabled"); 438 el.disabled = false; 439 } else { 440 HTMLArea._addClass(el, "buttonDisabled"); 441 el.disabled = true; 442 } 443 break; 444 case "active": 445 if (newval) { 446 HTMLArea._addClass(el, "buttonPressed"); 447 } else { 448 HTMLArea._removeClass(el, "buttonPressed"); 449 } 450 break; 451 } 452 this[id] = newval; 453 } 454 }; // END of function: setButtonStatus 455 456 // this function will handle creation of combo boxes. Receives as 457 // parameter the name of a button as defined in the toolBar config. 458 // This function is called from createButton, above, if the given "txt" 459 // doesn't match a button. 460 function createSelect(txt) { 461 var options = null; 462 var el = null; 463 var cmd = null; 464 var customSelects = editor.config.customSelects; 465 var context = null; 466 var tooltip = ""; 467 switch (txt) { 468 case "fontsize": 469 case "fontname": 470 case "formatblock": 471 // the following line retrieves the correct 472 // configuration option because the variable name 473 // inside the Config object is named the same as the 474 // button/select in the toolbar. For instance, if txt 475 // == "formatblock" we retrieve config.formatblock (or 476 // a different way to write it in JS is 477 // config["formatblock"]. 478 options = editor.config[txt]; 479 cmd = txt; 480 break; 481 default: 482 // try to fetch it from the list of registered selects 483 cmd = txt; 484 var dropdown = customSelects[cmd]; 485 if (typeof dropdown != "undefined") { 486 options = dropdown.options; 487 context = dropdown.context; 488 if (typeof dropdown.tooltip != "undefined") { 489 tooltip = dropdown.tooltip; 490 } 491 } else { 492 alert("ERROR [createSelect]:\nCan't find the requested dropdown definition"); 493 } 494 break; 495 } 496 if (options) { 497 el = document.createElement("select"); 498 el.title = tooltip; 499 var obj = { 500 name : txt, // field name 501 element : el, // the UI element (SELECT) 502 enabled : true, // is it enabled? 503 text : false, // enabled in text mode? 504 cmd : cmd, // command ID 505 state : setButtonStatus, // for changing state 506 context : context 507 }; 508 tb_objects[txt] = obj; 509 for (var i in options) { 510 var op = document.createElement("option"); 511 op.innerHTML = i; 512 op.value = options[i]; 513 el.appendChild(op); 514 } 515 HTMLArea._addEvent(el, "change", function () { 516 editor._comboSelected(el, txt); 517 }); 518 } 519 return el; 520 }; // END of function: createSelect 521 522 // appends a new button to toolbar 523 function createButton(txt) { 524 // the element that will be created 525 var el = null; 526 var btn = null; 527 switch (txt) { 528 case "separator": 529 el = document.createElement("div"); 530 el.className = "separator"; 531 break; 532 case "space": 533 el = document.createElement("div"); 534 el.className = "space"; 535 break; 536 case "linebreak": 537 newLine(); 538 return false; 539 case "textindicator": 540 el = document.createElement("div"); 541 el.appendChild(document.createTextNode("A")); 542 el.className = "indicator"; 543 el.title = HTMLArea.I18N.tooltips.textindicator; 544 var obj = { 545 name : txt, // the button name (i.e. 'bold') 546 element : el, // the UI element (DIV) 547 enabled : true, // is it enabled? 548 active : false, // is it pressed? 549 text : false, // enabled in text mode? 550 cmd : "textindicator", // the command ID 551 state : setButtonStatus // for changing state 552 }; 553 tb_objects[txt] = obj; 554 break; 555 default: 556 btn = editor.config.btnList[txt]; 557 } 558 if (!el && btn) { 559 el = document.createElement("div"); 560 el.title = btn[0]; 561 el.className = "button"; 562 // let's just pretend we have a button object, and 563 // assign all the needed information to it. 564 var obj = { 565 name : txt, // the button name (i.e. 'bold') 566 element : el, // the UI element (DIV) 567 enabled : true, // is it enabled? 568 active : false, // is it pressed? 569 text : btn[2], // enabled in text mode? 570 cmd : btn[3], // the command ID 571 state : setButtonStatus, // for changing state 572 context : btn[4] || null // enabled in a certain context? 573 }; 574 tb_objects[txt] = obj; 575 // handlers to emulate nice flat toolbar buttons 576 HTMLArea._addEvent(el, "mouseover", function () { 577 if (obj.enabled) { 578 HTMLArea._addClass(el, "buttonHover"); 579 } 580 }); 581 HTMLArea._addEvent(el, "mouseout", function () { 582 if (obj.enabled) with (HTMLArea) { 583 _removeClass(el, "buttonHover"); 584 _removeClass(el, "buttonActive"); 585 (obj.active) && _addClass(el, "buttonPressed"); 586 } 587 }); 588 HTMLArea._addEvent(el, "mousedown", function (ev) { 589 if (obj.enabled) with (HTMLArea) { 590 _addClass(el, "buttonActive"); 591 _removeClass(el, "buttonPressed"); 592 _stopEvent(is_ie ? window.event : ev); 593 } 594 }); 595 // when clicked, do the following: 596 HTMLArea._addEvent(el, "click", function (ev) { 597 if (obj.enabled) with (HTMLArea) { 598 _removeClass(el, "buttonActive"); 599 _removeClass(el, "buttonHover"); 600 obj.cmd(editor, obj.name, obj); 601 _stopEvent(is_ie ? window.event : ev); 602 } 603 }); 604 var img = document.createElement("img"); 605 img.src = btn[1]; 606 img.style.width = "18px"; 607 img.style.height = "18px"; 608 el.appendChild(img); 609 } else if (!el) { 610 el = createSelect(txt); 611 } 612 if (el) { 613 var tb_cell = document.createElement("td"); 614 tb_row.appendChild(tb_cell); 615 tb_cell.appendChild(el); 616 } else { 617 alert("FIXME: Unknown toolbar item: " + txt); 618 } 619 return el; 620 }; 621 622 var first = true; 623 for (var i = 0; i < this.config.toolbar.length; ++i) { 624 if (!first) { 625 createButton("linebreak"); 626 } else { 627 first = false; 628 } 629 var group = this.config.toolbar[i]; 630 for (var j = 0; j < group.length; ++j) { 631 var code = group[j]; 632 if (/^([IT])\[(.*?)\]/.test(code)) { 633 // special case, create text label 634 var l7ed = RegExp.$1 == "I"; // localized? 635 var label = RegExp.$2; 636 if (l7ed) { 637 label = HTMLArea.I18N.custom[label]; 638 } 639 var tb_cell = document.createElement("td"); 640 tb_row.appendChild(tb_cell); 641 tb_cell.className = "label"; 642 tb_cell.innerHTML = label; 643 } else { 644 createButton(code); 645 } 646 } 647 } 648 649 this._htmlArea.appendChild(toolbar); 650 }; 651 652 HTMLArea.prototype._createStatusBar = function() { 653 var statusbar = document.createElement("div"); 654 statusbar.className = "statusBar"; 655 this._htmlArea.appendChild(statusbar); 656 this._statusBar = statusbar; 657 // statusbar.appendChild(document.createTextNode(HTMLArea.I18N.msg["Path"] + ": ")); 658 // creates a holder for the path view 659 div = document.createElement("span"); 660 div.className = "statusBarTree"; 661 div.innerHTML = HTMLArea.I18N.msg["Path"] + ": "; 662 this._statusBarTree = div; 663 this._statusBar.appendChild(div); 664 if (!this.config.statusBar) { 665 // disable it... 666 statusbar.style.display = "none"; 667 } 668 }; 669 670 // Creates the HTMLArea object and replaces the textarea with it. 671 HTMLArea.prototype.generate = function () { 672 var editor = this; // we'll need "this" in some nested functions 673 // get the textarea 674 var textarea = this._textArea; 675 if (typeof textarea == "string") { 676 // it's not element but ID 677 this._textArea = textarea = HTMLArea.getElementById("textarea", textarea); 678 } 679 this._ta_size = { 680 w: textarea.offsetWidth, 681 h: textarea.offsetHeight 682 }; 683 textarea.style.display = "none"; 684 685 // create the editor framework 686 var htmlarea = document.createElement("div"); 687 htmlarea.className = "htmlarea"; 688 this._htmlArea = htmlarea; 689 690 // insert the editor before the textarea. 691 textarea.parentNode.insertBefore(htmlarea, textarea); 692 693 if (textarea.form) { 694 // we have a form, on submit get the HTMLArea content and 695 // update original textarea. 696 var f = textarea.form; 697 if (typeof f.onsubmit == "function") { 698 var funcref = f.onsubmit; 699 if (typeof f.__msh_prevOnSubmit == "undefined") { 700 f.__msh_prevOnSubmit = []; 701 } 702 f.__msh_prevOnSubmit.push(funcref); 703 } 704 f.onsubmit = function() { 705 editor._textArea.value = editor.getHTML(); 706 var a = this.__msh_prevOnSubmit; 707 // call previous submit methods if they were there. 708 if (typeof a != "undefined") { 709 for (var i = a.length; --i >= 0;) { 710 a[i](); 711 } 712 } 713 }; 714 if (typeof f.onreset == "function") { 715 var funcref = f.onreset; 716 if (typeof f.__msh_prevOnReset == "undefined") { 717 f.__msh_prevOnReset = []; 718 } 719 f.__msh_prevOnReset.push(funcref); 720 } 721 f.onreset = function() { 722 editor.setHTML(editor._textArea.value); 723 editor.updateToolbar(); 724 var a = this.__msh_prevOnReset; 725 // call previous reset methods if they were there. 726 if (typeof a != "undefined") { 727 for (var i = a.length; --i >= 0;) { 728 a[i](); 729 } 730 } 731 }; 732 } 733 734 // add a handler for the "back/forward" case -- on body.unload we save 735 // the HTML content into the original textarea. 736 try { 737 738 function addWYSIWYGUnloadEvent(func) { 739 var oldonunload = window.onunload; 740 if (typeof window.onunload != 'function') { 741 window.onunload = func; 742 } else { 743 window.onunload = function() { 744 oldonunload(); 745 func(); 746 } 747 } 748 } 749 750 addWYSIWYGUnloadEvent(function() { 751 editor._textArea.value = editor.getHTML(); 752 }); 753 754 } catch(e) {}; 755 756 // creates & appends the toolbar 757 this._createToolbar(); 758 759 // create the IFRAME 760 var iframe = document.createElement("iframe"); 761 762 // workaround for the HTTPS problem 763 // iframe.setAttribute("src", "javascript:void(0);"); 764 iframe.src = _editor_url + "popups/blank.html"; 765 766 htmlarea.appendChild(iframe); 767 768 this._iframe = iframe; 769 770 // creates & appends the status bar, if the case 771 this._createStatusBar(); 772 773 // remove the default border as it keeps us from computing correctly 774 // the sizes. (somebody tell me why doesn't this work in IE) 775 776 if (!HTMLArea.is_ie) { 777 iframe.style.borderWidth = "1px"; 778 // iframe.frameBorder = "1"; 779 // iframe.marginHeight = "0"; 780 // iframe.marginWidth = "0"; 781 } 782 783 // size the IFRAME according to user's prefs or initial textarea 784 var height = (this.config.height == "auto" ? (this._ta_size.h + "px") : this.config.height); 785 height = parseInt(height); 786 var width = (this.config.width == "auto" ? (this._ta_size.w + "px") : this.config.width); 787 width = parseInt(width); 788 789 if (!HTMLArea.is_ie) { 790 height -= 2; 791 width -= 2; 792 } 793 794 iframe.style.width = width + "px"; 795 if (this.config.sizeIncludesToolbar) { 796 // substract toolbar height 797 height -= this._toolbar.offsetHeight; 798 height -= this._statusBar.offsetHeight; 799 } 800 if (height < 0) { 801 height = 0; 802 } 803 iframe.style.height = height + "px"; 804 805 // the editor including the toolbar now have the same size as the 806 // original textarea.. which means that we need to reduce that a bit. 807 textarea.style.width = iframe.style.width; 808 textarea.style.height = iframe.style.height; 809 810 // IMPORTANT: we have to allow Mozilla a short time to recognize the 811 // new frame. Otherwise we get a stupid exception. 812 function initIframe() { 813 var doc = editor._iframe.contentWindow.document; 814 if (!doc) { 815 // Try again.. 816 // FIXME: don't know what else to do here. Normally 817 // we'll never reach this point. 818 if (HTMLArea.is_gecko) { 819 setTimeout(initIframe, 100); 820 return false; 821 } else { 822 alert("ERROR: IFRAME can't be initialized."); 823 } 824 } 825 if (HTMLArea.is_gecko) { 826 // enable editable mode for Mozilla 827 doc.designMode = "on"; 828 } 829 editor._doc = doc; 830 if (!editor.config.fullPage) { 831 doc.open(); 832 var html = "<html>\n"; 833 html += "<head>\n"; 834 if (editor.config.baseURL) 835 html += '<base href="' + editor.config.baseURL + '" />'; 836 html += "<style type=\"text/css\">html,body { border: 0px; } " + 837 editor.config.pageStyle + "</style>\n"; 838 if (editor.config.cssFile) 839 html += "<style type=\"text/css\">" + editor.config.cssFile + "</style>\n"; 840 html += "</head>\n"; 841 html += "<body>\n"; 842 html += editor._textArea.value; 843 html += "</body>\n"; 844 html += "</html>"; 845 doc.write(html); 846 doc.close(); 847 } else { 848 var html = editor._textArea.value; 849 if (html.match(HTMLArea.RE_doctype)) { 850 editor.setDoctype(RegExp.$1); 851 html = html.replace(HTMLArea.RE_doctype, ""); 852 } 853 doc.open(); 854 doc.write(html); 855 doc.close(); 856 } 857 858 if (HTMLArea.is_ie) { 859 // enable editable mode for IE. For some reason this 860 // doesn't work if done in the same place as for Gecko 861 // (above). 862 doc.body.contentEditable = true; 863 } 864 865 editor.focusEditor(); 866 // intercept some events; for updating the toolbar & keyboard handlers 867 HTMLArea._addEvents 868 (doc, ["keydown", "keypress", "mousedown", "mouseup", "drag"], 869 function (event) { 870 return editor._editorEvent(HTMLArea.is_ie ? editor._iframe.contentWindow.event : event); 871 }); 872 873 // check if any plugins have registered refresh handlers 874 for (var i in editor.plugins) { 875 try { 876 var plugin = editor.plugins[i].instance; 877 if (typeof plugin.onGenerate == "function") 878 plugin.onGenerate(); 879 if (typeof plugin.onGenerateOnce == "function") { 880 plugin.onGenerateOnce(); 881 plugin.onGenerateOnce = null; 882 } 883 }catch(e) { /*alert(e);*/ } 884 } 885 886 setTimeout(function() { 887 editor.updateToolbar(); 888 }, 250); 889 890 if (typeof editor.onGenerate == "function") 891 editor.onGenerate(); 892 }; 893 setTimeout(initIframe, 100); 894 }; 895 896 // Switches editor mode; parameter can be "textmode" or "wysiwyg". If no 897 // parameter was passed this function toggles between modes. 898 HTMLArea.prototype.setMode = function(mode) { 899 if (typeof mode == "undefined") { 900 mode = ((this._editMode == "textmode") ? "wysiwyg" : "textmode"); 901 } 902 switch (mode) { 903 case "textmode": 904 this._textArea.value = this.getHTML(); 905 this._iframe.style.display = "none"; 906 this._textArea.style.display = "block"; 907 if (this.config.statusBar) { 908 this._statusBar.innerHTML = HTMLArea.I18N.msg["TEXT_MODE"]; 909 } 910 break; 911 case "wysiwyg": 912 if (HTMLArea.is_gecko) { 913 // disable design mode before changing innerHTML 914 try { 915 this._doc.designMode = "off"; 916 } catch(e) {}; 917 } 918 if (!this.config.fullPage) 919 this._doc.body.innerHTML = this.getHTML(); 920 else 921 this.setFullHTML(this.getHTML()); 922 this._iframe.style.display = "block"; 923 this._textArea.style.display = "none"; 924 if (HTMLArea.is_gecko) { 925 // we need to refresh that info for Moz-1.3a 926 try { 927 this._doc.designMode = "on"; 928 } catch(e) {}; 929 } 930 if (this.config.statusBar) { 931 this._statusBar.innerHTML = ''; 932 // this._statusBar.appendChild(document.createTextNode(HTMLArea.I18N.msg["Path"] + ": ")); 933 this._statusBar.appendChild(this._statusBarTree); 934 } 935 break; 936 default: 937 alert("Mode <" + mode + "> not defined!"); 938 return false; 939 } 940 this._editMode = mode; 941 this.focusEditor(); 942 943 for (var i in this.plugins) { 944 try { 945 var plugin = this.plugins[i].instance; 946 if (typeof plugin.onMode == "function") plugin.onMode(mode); 947 } catch(e) { /*alert(e);*/ }; 948 } 949 }; 950 951 HTMLArea.prototype.setFullHTML = function(html) { 952 var save_multiline = RegExp.multiline; 953 RegExp.multiline = true; 954 if (html.match(HTMLArea.RE_doctype)) { 955 this.setDoctype(RegExp.$1); 956 html = html.replace(HTMLArea.RE_doctype, ""); 957 } 958 RegExp.multiline = save_multiline; 959 if (!HTMLArea.is_ie) { 960 if (html.match(HTMLArea.RE_head)) 961 this._doc.getElementsByTagName("head")[0].innerHTML = RegExp.$1; 962 if (html.match(HTMLArea.RE_body)) 963 this._doc.getElementsByTagName("body")[0].innerHTML = RegExp.$1; 964 } else { 965 var html_re = /<html>((.|\n)*?)<\/html>/i; 966 html = html.replace(html_re, "$1"); 967 this._doc.open(); 968 this._doc.write(html); 969 this._doc.close(); 970 this._doc.body.contentEditable = true; 971 return true; 972 } 973 }; 974 975 /*************************************************** 976 * Category: PLUGINS 977 ***************************************************/ 978 979 // Create the specified plugin and register it with this HTMLArea 980 HTMLArea.prototype.registerPlugin = function() { 981 var plugin = arguments[0]; 982 var args = []; 983 for (var i = 1; i < arguments.length; ++i) 984 args.push(arguments[i]); 985 this.registerPlugin2(plugin, args); 986 }; 987 988 // this is the variant of the function above where the plugin arguments are 989 // already packed in an array. Externally, it should be only used in the 990 // full-screen editor code, in order to initialize plugins with the same 991 // parameters as in the opener window. 992 HTMLArea.prototype.registerPlugin2 = function(plugin, args) { 993 if (typeof plugin == "string") 994 plugin = eval(plugin); 995 if (typeof plugin == "undefined") { 996 /* FIXME: This should never happen. But why does it do? */ 997 return false; 998 } 999 var obj = new plugin(this, args); 1000 if (obj) { 1001 var clone = {}; 1002 var info = plugin._pluginInfo; 1003 for (var i in info) 1004 clone[i] = info[i]; 1005 clone.instance = obj; 1006 clone.args = args; 1007 this.plugins[plugin._pluginInfo.name] = clone; 1008 } else 1009 alert("Can't register plugin " + plugin.toString() + "."); 1010 }; 1011 1012 // static function that loads the required plugin and lang file, based on the 1013 // language loaded already for HTMLArea. You better make sure that the plugin 1014 // _has_ that language, otherwise shit might happen ;-) 1015 HTMLArea.getPluginDir = function(pluginName) { 1016 return _editor_url + "plugins/" + pluginName; 1017 }; 1018 1019 HTMLArea.loadPlugin = function(pluginName) { 1020 var dir = this.getPluginDir(pluginName); 1021 var plugin = pluginName.replace(/([a-z])([A-Z])([a-z])/g, 1022 function (str, l1, l2, l3) { 1023 return l1 + "-" + l2.toLowerCase() + l3; 1024 }).toLowerCase() + ".js"; 1025 var plugin_file = dir + "/" + plugin; 1026 var plugin_lang = dir + "/lang/" + _editor_lang + ".js"; 1027 //document.write("<script type='text/javascript' src='" + plugin_file + "'></script>"); 1028 //document.write("<script type='text/javascript' src='" + plugin_lang + "'></script>"); 1029 this.loadScript(plugin_file); 1030 this.loadScript(plugin_lang); 1031 }; 1032 1033 HTMLArea.loadStyle = function(style, plugin) { 1034 var url = _editor_url || ''; 1035 if (typeof plugin != "undefined") { 1036 url += "plugins/" + plugin + "/"; 1037 } 1038 url += style; 1039 if (/^\//.test(style)) 1040 url = style; 1041 var head = document.getElementsByTagName("head")[0]; 1042 var link = document.createElement("link"); 1043 link.rel = "stylesheet"; 1044 link.href = url; 1045 head.appendChild(link); 1046 //document.write("<style type='text/css'>@import url(" + url + ");</style>"); 1047 }; 1048 HTMLArea.loadStyle(typeof _editor_css == "string" ? _editor_css : "htmlarea.css"); 1049 1050 /*************************************************** 1051 * Category: EDITOR UTILITIES 1052 ***************************************************/ 1053 1054 HTMLArea.prototype.debugTree = function() { 1055 var ta = document.createElement("textarea"); 1056 ta.style.width = "100%"; 1057 ta.style.height = "20em"; 1058 ta.value = ""; 1059 function debug(indent, str) { 1060 for (; --indent >= 0;) 1061 ta.value += " "; 1062 ta.value += str + "\n"; 1063 }; 1064 function _dt(root, level) { 1065 var tag = root.tagName.toLowerCase(), i; 1066 var ns = HTMLArea.is_ie ? root.scopeName : root.prefix; 1067 debug(level, "- " + tag + " [" + ns + "]"); 1068 for (i = root.firstChild; i; i = i.nextSibling) 1069 if (i.nodeType == 1) 1070 _dt(i, level + 2); 1071 }; 1072 _dt(this._doc.body, 0); 1073 document.body.appendChild(ta); 1074 }; 1075 1076 HTMLArea.getInnerText = function(el) { 1077 var txt = '', i; 1078 for (i = el.firstChild; i; i = i.nextSibling) { 1079 if (i.nodeType == 3) 1080 txt += i.data; 1081 else if (i.nodeType == 1) 1082 txt += HTMLArea.getInnerText(i); 1083 } 1084 return txt; 1085 }; 1086 1087 HTMLArea.prototype._wordClean = function() { 1088 var 1089 editor = this, 1090 stats = { 1091 empty_tags : 0, 1092 mso_class : 0, 1093 mso_style : 0, 1094 mso_xmlel : 0, 1095 orig_len : this._doc.body.innerHTML.length, 1096 T : (new Date()).getTime() 1097 }, 1098 stats_txt = { 1099 empty_tags : "Empty tags removed: ", 1100 mso_class : "MSO class names removed: ", 1101 mso_style : "MSO inline style removed: ", 1102 mso_xmlel : "MSO XML elements stripped: " 1103 }; 1104 function showStats() { 1105 var txt = "HTMLArea word cleaner stats: \n\n"; 1106 for (var i in stats) 1107 if (stats_txt[i]) 1108 txt += stats_txt[i] + stats[i] + "\n"; 1109 txt += "\nInitial document length: " + stats.orig_len + "\n"; 1110 txt += "Final document length: " + editor._doc.body.innerHTML.length + "\n"; 1111 txt += "Clean-up took " + (((new Date()).getTime() - stats.T) / 1000) + " seconds"; 1112 alert(txt); 1113 }; 1114 function clearClass(node) { 1115 var newc = node.className.replace(/(^|\s)mso.*?(\s|$)/ig, ' '); 1116 if (newc != node.className) { 1117 node.className = newc; 1118 if (!/\S/.test(node.className)) { 1119 node.removeAttribute("className"); 1120 ++stats.mso_class; 1121 } 1122 } 1123 }; 1124 function clearStyle(node) { 1125 var declarations = node.style.cssText.split(/\s*;\s*/); 1126 for (var i = declarations.length; --i >= 0;) 1127 if (/^mso|^tab-stops/i.test(declarations[i]) || 1128 /^margin\s*:\s*0..\s+0..\s+0../i.test(declarations[i])) { 1129 ++stats.mso_style; 1130 declarations.splice(i, 1); 1131 } 1132 node.style.cssText = declarations.join("; "); 1133 }; 1134 function stripTag(el) { 1135 if (HTMLArea.is_ie) 1136 el.outerHTML = HTMLArea.htmlEncode(el.innerText); 1137 else { 1138 var txt = document.createTextNode(HTMLArea.getInnerText(el)); 1139 el.parentNode.insertBefore(txt, el); 1140 el.parentNode.removeChild(el); 1141 } 1142 ++stats.mso_xmlel; 1143 }; 1144 function checkEmpty(el) { 1145 if (/^(a|span|b|strong|i|em|font)$/i.test(el.tagName) && 1146 !el.firstChild) { 1147 el.parentNode.removeChild(el); 1148 ++stats.empty_tags; 1149 } 1150 }; 1151 function parseTree(root) { 1152 var tag = root.tagName.toLowerCase(), i, next; 1153 if ((HTMLArea.is_ie && root.scopeName != 'HTML') || (!HTMLArea.is_ie && /:/.test(tag))) { 1154 stripTag(root); 1155 return false; 1156 } else { 1157 clearClass(root); 1158 clearStyle(root); 1159 for (i = root.firstChild; i; i = next) { 1160 next = i.nextSibling; 1161 if (i.nodeType == 1 && parseTree(i)) 1162 checkEmpty(i); 1163 } 1164 } 1165 return true; 1166 }; 1167 parseTree(this._doc.body); 1168 // showStats(); 1169 // this.debugTree(); 1170 // this.setHTML(this.getHTML()); 1171 // this.setHTML(this.getInnerHTML()); 1172 // this.forceRedraw(); 1173 this.updateToolbar(); 1174 }; 1175 1176 HTMLArea.prototype.forceRedraw = function() { 1177 this._doc.body.style.visibility = "hidden"; 1178 this._doc.body.style.visibility = "visible"; 1179 // this._doc.body.innerHTML = this.getInnerHTML(); 1180 }; 1181 1182 // focuses the iframe window. returns a reference to the editor document. 1183 HTMLArea.prototype.focusEditor = function() { 1184 switch (this._editMode) { 1185 // notice the try { ... } catch block to avoid some rare exceptions in FireFox 1186 // (perhaps also in other Gecko browsers). Manual focus by user is required in 1187 // case of an error. Somebody has an idea? 1188 case "wysiwyg" : try { this._iframe.contentWindow.focus() } catch (e) {} break; 1189 case "textmode": try { this._textArea.focus() } catch (e) {} break; 1190 default : alert("ERROR: mode " + this._editMode + " is not defined"); 1191 } 1192 return this._doc; 1193 }; 1194 1195 // takes a snapshot of the current text (for undo) 1196 HTMLArea.prototype._undoTakeSnapshot = function() { 1197 ++this._undoPos; 1198 if (this._undoPos >= this.config.undoSteps) { 1199 // remove the first element 1200 this._undoQueue.shift(); 1201 --this._undoPos; 1202 } 1203 // use the fasted method (getInnerHTML); 1204 var take = true; 1205 var txt = this.getInnerHTML(); 1206 if (this._undoPos > 0) 1207 take = (this._undoQueue[this._undoPos - 1] != txt); 1208 if (take) { 1209 this._undoQueue[this._undoPos] = txt; 1210 } else { 1211 this._undoPos--; 1212 } 1213 }; 1214 1215 HTMLArea.prototype.undo = function() { 1216 if (this._undoPos > 0) { 1217 var txt = this._undoQueue[--this._undoPos]; 1218 if (txt) this.setHTML(txt); 1219 else ++this._undoPos; 1220 } 1221 }; 1222 1223 HTMLArea.prototype.redo = function() { 1224 if (this._undoPos < this._undoQueue.length - 1) { 1225 var txt = this._undoQueue[++this._undoPos]; 1226 if (txt) this.setHTML(txt); 1227 else --this._undoPos; 1228 } 1229 }; 1230 1231 // updates enabled/disable/active state of the toolbar elements 1232 HTMLArea.prototype.updateToolbar = function(noStatus) { 1233 var doc = this._doc; 1234 var text = (this._editMode == "textmode"); 1235 var ancestors = null; 1236 if (!text) { 1237 ancestors = this.getAllAncestors(); 1238 if (this.config.statusBar && !noStatus) { 1239 this._statusBarTree.innerHTML = HTMLArea.I18N.msg["Path"] + ": "; // clear 1240 for (var i = ancestors.length; --i >= 0;) { 1241 var el = ancestors[i]; 1242 if (!el) { 1243 // hell knows why we get here; this 1244 // could be a classic example of why 1245 // it's good to check for conditions 1246 // that are impossible to happen ;-) 1247 continue; 1248 } 1249 var a = document.createElement("a"); 1250 a.href = "#"; 1251 a.el = el; 1252 a.editor = this; 1253 a.onclick = function() { 1254 this.blur(); 1255 this.editor.selectNodeContents(this.el); 1256 this.editor.updateToolbar(true); 1257 return false; 1258 }; 1259 a.oncontextmenu = function() { 1260 // TODO: add context menu here 1261 this.blur(); 1262 var info = "Inline style:\n\n"; 1263 info += this.el.style.cssText.split(/;\s*/).join(";\n"); 1264 alert(info); 1265 return false; 1266 }; 1267 var txt = el.tagName.toLowerCase(); 1268 a.title = el.style.cssText; 1269 if (el.id) { 1270 txt += "#" + el.id; 1271 } 1272 if (el.className) { 1273 txt += "." + el.className; 1274 } 1275 a.appendChild(document.createTextNode(txt)); 1276 this._statusBarTree.appendChild(a); 1277 if (i != 0) { 1278 this._statusBarTree.appendChild(document.createTextNode(String.fromCharCode(0xbb))); 1279 } 1280 } 1281 } 1282 } 1283 1284 for (var i in this._toolbarObjects) { 1285 var btn = this._toolbarObjects[i]; 1286 var cmd = i; 1287 var inContext = true; 1288 if (btn.context && !text) { 1289 inContext = false; 1290 var context = btn.context; 1291 var attrs = []; 1292 if (/(.*)\[(.*?)\]/.test(context)) { 1293 context = RegExp.$1; 1294 attrs = RegExp.$2.split(","); 1295 } 1296 context = context.toLowerCase(); 1297 var match = (context == "*"); 1298 for (var k = 0; k < ancestors.length; ++k) { 1299 if (!ancestors[k]) { 1300 // the impossible really happens. 1301 continue; 1302 } 1303 if (match || (ancestors[k].tagName.toLowerCase() == context)) { 1304 inContext = true; 1305 for (var ka = 0; ka < attrs.length; ++ka) { 1306 if (!eval("ancestors[k]." + attrs[ka])) { 1307 inContext = false; 1308 break; 1309 } 1310 } 1311 if (inContext) { 1312 break; 1313 } 1314 } 1315 } 1316 } 1317 try { 1318 btn.state("enabled", (!text || btn.text) && inContext); 1319 } catch(e) { /*alert(e);*/ } 1320 if (typeof cmd == "function") { 1321 continue; 1322 } 1323 // look-it-up in the custom dropdown boxes 1324 var dropdown = this.config.customSelects[cmd]; 1325 if ((!text || btn.text) && (typeof dropdown != "undefined")) { 1326 try { dropdown.refresh(this); } catch(e) { /*alert(e);*/ } 1327 continue; 1328 } 1329 switch (cmd) { 1330 case "fontname": 1331 case "fontsize": 1332 case "formatblock": 1333 if (!text) try { 1334 var value = ("" + doc.queryCommandValue(cmd)).toLowerCase(); 1335 if (!value) { 1336 btn.element.selectedIndex = 0; 1337 break; 1338 } 1339 // HACK -- retrieve the config option for this 1340 // combo box. We rely on the fact that the 1341 // variable in config has the same name as 1342 // button name in the toolbar. 1343 var options = this.config[cmd]; 1344 var k = 0; 1345 for (var j in options) { 1346 // FIXME: the following line is scary. 1347 if ((j.toLowerCase() == value) || 1348 (options[j].substr(0, value.length).toLowerCase() == value)) { 1349 btn.element.selectedIndex = k; 1350 throw "ok"; 1351 } 1352 ++k; 1353 } 1354 btn.element.selectedIndex = 0; 1355 } catch(e) {}; 1356 break; 1357 case "textindicator": 1358 if (!text) { 1359 try {with (btn.element.style) { 1360 backgroundColor = HTMLArea._makeColor( 1361 doc.queryCommandValue(HTMLArea.is_ie ? "backcolor" : "hilitecolor")); 1362 if (/transparent/i.test(backgroundColor)) { 1363 // Mozilla 1364 backgroundColor = HTMLArea._makeColor(doc.queryCommandValue("backcolor")); 1365 } 1366 color = HTMLArea._makeColor(doc.queryCommandValue("forecolor")); 1367 fontFamily = doc.queryCommandValue("fontname"); 1368 fontWeight = doc.queryCommandState("bold") ? "bold" : "normal"; 1369 fontStyle = doc.queryCommandState("italic") ? "italic" : "normal"; 1370 }} catch (e) { 1371 // alert(e + "\n\n" + cmd); 1372 } 1373 } 1374 break; 1375 case "htmlmode": btn.state("active", text); break; 1376 case "lefttoright": 1377 case "righttoleft": 1378 var el = this.getParentElement(); 1379 while (el && !HTMLArea.isBlockElement(el)) 1380 el = el.parentNode; 1381 if (el) 1382 btn.state("active", (el.style.direction == ((cmd == "righttoleft") ? "rtl" : "ltr"))); 1383 break; 1384 default: 1385 cmd = cmd.replace(/(un)?orderedlist/i, "insert$1orderedlist"); 1386 try { 1387 btn.state("active", (!text && doc.queryCommandState(cmd))); 1388 } catch (e) {} 1389 } 1390 } 1391 // take undo snapshots 1392 if (this._customUndo && !this._timerUndo) { 1393 this._undoTakeSnapshot(); 1394 var editor = this; 1395 this._timerUndo = setTimeout(function() { 1396 editor._timerUndo = null; 1397 }, this.config.undoTimeout); 1398 } 1399 1400 // check if any plugins have registered refresh handlers 1401 for (var i in this.plugins) { 1402 try { 1403 var plugin = this.plugins[i].instance; 1404 if (typeof plugin.onUpdateToolbar == "function") 1405 plugin.onUpdateToolbar(); 1406 } catch(e) { /*alert(e);*/ } 1407 } 1408 }; 1409 1410 /** Returns a node after which we can insert other nodes, in the current 1411 * selection. The selection is removed. It splits a text node, if needed. 1412 */ 1413 HTMLArea.prototype.insertNodeAtSelection = function(toBeInserted) { 1414 if (!HTMLArea.is_ie) { 1415 var sel = this._getSelection(); 1416 var range = this._createRange(sel); 1417 // remove the current selection 1418 sel.removeAllRanges(); 1419 range.deleteContents(); 1420 var node = range.startContainer; 1421 var pos = range.startOffset; 1422 switch (node.nodeType) { 1423 case 3: // Node.TEXT_NODE 1424 // we have to split it at the caret position. 1425 if (toBeInserted.nodeType == 3) { 1426 // do optimized insertion 1427 node.insertData(pos, toBeInserted.data); 1428 range = this._createRange(); 1429 range.setEnd(node, pos + toBeInserted.length); 1430 range.setStart(node, pos + toBeInserted.length); 1431 sel.addRange(range); 1432 } else { 1433 node = node.splitText(pos); 1434 var selnode = toBeInserted; 1435 if (toBeInserted.nodeType == 11 /* Node.DOCUMENT_FRAGMENT_NODE */) { 1436 selnode = selnode.firstChild; 1437 } 1438 node.parentNode.insertBefore(toBeInserted, node); 1439 this.selectNodeContents(selnode); 1440 this.updateToolbar(); 1441 } 1442 break; 1443 case 1: // Node.ELEMENT_NODE 1444 var selnode = toBeInserted; 1445 if (toBeInserted.nodeType == 11 /* Node.DOCUMENT_FRAGMENT_NODE */) { 1446 selnode = selnode.firstChild; 1447 } 1448 node.insertBefore(toBeInserted, node.childNodes[pos]); 1449 this.selectNodeContents(selnode); 1450 this.updateToolbar(); 1451 break; 1452 } 1453 } else { 1454 return null; // this function not yet used for IE <FIXME> 1455 } 1456 }; 1457 1458 // Returns the deepest node that contains both endpoints of the selection. 1459 HTMLArea.prototype.getParentElement = function() { 1460 var sel = this._getSelection(); 1461 var range = this._createRange(sel); 1462 if (HTMLArea.is_ie) { 1463 switch (sel.type) { 1464 case "Text": 1465 case "None": 1466 // It seems that even for selection of type "None", 1467 // there _is_ a parent element and it's value is not 1468 // only correct, but very important to us. MSIE is 1469 // certainly the buggiest browser in the world and I 1470 // wonder, God, how can Earth stand it? 1471 return range.parentElement(); 1472 case "Control": 1473 return range.item(0); 1474 default: 1475 return this._doc.body; 1476 } 1477 } else try { 1478 var p = range.commonAncestorContainer; 1479 if (!range.collapsed && range.startContainer == range.endContainer && 1480 range.startOffset - range.endOffset <= 1 && range.startContainer.hasChildNodes()) 1481 p = range.startContainer.childNodes[range.startOffset]; 1482 /* 1483 alert(range.startContainer + ":" + range.startOffset + "\n" + 1484 range.endContainer + ":" + range.endOffset); 1485 */ 1486 while (p.nodeType == 3) { 1487 p = p.parentNode; 1488 } 1489 return p; 1490 } catch (e) { 1491 return null; 1492 } 1493 }; 1494 1495 // Returns an array with all the ancestor nodes of the selection. 1496 HTMLArea.prototype.getAllAncestors = function() { 1497 var p = this.getParentElement(); 1498 var a = []; 1499 while (p && (p.nodeType == 1) && (p.tagName.toLowerCase() != 'body')) { 1500 a.push(p); 1501 p = p.parentNode; 1502 } 1503 a.push(this._doc.body); 1504 return a; 1505 }; 1506 1507 // Selects the contents inside the given node 1508 HTMLArea.prototype.selectNodeContents = function(node, pos) { 1509 this.focusEditor(); 1510 this.forceRedraw(); 1511 var range; 1512 var collapsed = (typeof pos != "undefined"); 1513 if (HTMLArea.is_ie) { 1514 range = this._doc.body.createTextRange(); 1515 range.moveToElementText(node); 1516 (collapsed) && range.collapse(pos); 1517 range.select(); 1518 } else { 1519 var sel = this._getSelection(); 1520 range = this._doc.createRange(); 1521 range.selectNodeContents(node); 1522 (collapsed) && range.collapse(pos); 1523 sel.removeAllRanges(); 1524 sel.addRange(range); 1525 } 1526 }; 1527 1528 /** Call this function to insert HTML code at the current position. It deletes 1529 * the selection, if any. 1530 */ 1531 HTMLArea.prototype.insertHTML = function(html) { 1532 var sel = this._getSelection(); 1533 var range = this._createRange(sel); 1534 if (HTMLArea.is_ie) { 1535 range.pasteHTML(html); 1536 } else { 1537 // construct a new document fragment with the given HTML 1538 var fragment = this._doc.createDocumentFragment(); 1539 var div = this._doc.createElement("div"); 1540 div.innerHTML = html; 1541 while (div.firstChild) { 1542 // the following call also removes the node from div 1543 fragment.appendChild(div.firstChild); 1544 } 1545 // this also removes the selection 1546 var node = this.insertNodeAtSelection(fragment); 1547 } 1548 }; 1549 1550 /** 1551 * Call this function to surround the existing HTML code in the selection with 1552 * your tags. FIXME: buggy! This function will be deprecated "soon". 1553 */ 1554 HTMLArea.prototype.surroundHTML = function(startTag, endTag) { 1555 var html = this.getSelectedHTML(); 1556 // the following also deletes the selection 1557 this.insertHTML(startTag + html + endTag); 1558 }; 1559 1560 /// Retrieve the selected block 1561 HTMLArea.prototype.getSelectedHTML = function() { 1562 var sel = this._getSelection(); 1563 var range = this._createRange(sel); 1564 var existing = null; 1565 if (HTMLArea.is_ie) { 1566 existing = range.htmlText; 1567 } else { 1568 existing = HTMLArea.getHTML(range.cloneContents(), false, this); 1569 } 1570 return existing; 1571 }; 1572 1573 /// Return true if we have some selection 1574 HTMLArea.prototype.hasSelectedText = function() { 1575 // FIXME: come _on_ mishoo, you can do better than this ;-) 1576 return this.getSelectedHTML() != ''; 1577 }; 1578 1579 HTMLArea.prototype._createLink = function(link) { 1580 var editor = this; 1581 var outparam = null; 1582 if (typeof link == "undefined") { 1583 link = this.getParentElement(); 1584 if (link) { 1585 if (/^img$/i.test(link.tagName)) 1586 link = link.parentNode; 1587 if (!/^a$/i.test(link.tagName)) 1588 link = null; 1589 } 1590 } 1591 if (!link) { 1592 var sel = editor._getSelection(); 1593 var range = editor._createRange(sel); 1594 var compare = 0; 1595 if (HTMLArea.is_ie) { 1596 compare = range.compareEndPoints("StartToEnd", range); 1597 } else { 1598 compare = range.compareBoundaryPoints(range.START_TO_END, range); 1599 } 1600 if (compare == 0) { 1601 alert("You need to select some text before creating a link"); 1602 return; 1603 } 1604 outparam = { 1605 f_href : '', 1606 f_title : '', 1607 f_target : '', 1608 f_usetarget : editor.config.makeLinkShowsTarget 1609 }; 1610 } else 1611 outparam = { 1612 f_href : HTMLArea.is_ie ? editor.stripBaseURL(link.href) : link.getAttribute("href"), 1613 f_title : link.title, 1614 f_target : link.target, 1615 f_usetarget : editor.config.makeLinkShowsTarget 1616 }; 1617 this._popupDialog("link.html", function(param) { 1618 if (!param) 1619 return false; 1620 var a = link; 1621 if (!a) try { 1622 editor._doc.execCommand("createlink", false, param.f_href); 1623 a = editor.getParentElement(); 1624 var sel = editor._getSelection(); 1625 var range = editor._createRange(sel); 1626 if (!HTMLArea.is_ie) { 1627 a = range.startContainer; 1628 if (!/^a$/i.test(a.tagName)) { 1629 a = a.nextSibling; 1630 if (a == null) 1631 a = range.startContainer.parentNode; 1632 } 1633 } 1634 } catch(e) {} 1635 else { 1636 var href = param.f_href.trim(); 1637 editor.selectNodeContents(a); 1638 if (href == "") { 1639 editor._doc.execCommand("unlink", false, null); 1640 editor.updateToolbar(); 1641 return false; 1642 } 1643 else { 1644 a.href = href; 1645 } 1646 } 1647 if (!(a && /^a$/i.test(a.tagName))) 1648 return false; 1649 a.target = param.f_target.trim(); 1650 a.title = param.f_title.trim(); 1651 editor.selectNodeContents(a); 1652 editor.updateToolbar(); 1653 }, outparam); 1654 }; 1655 1656 // Called when the user clicks on "InsertImage" button. If an image is already 1657 // there, it will just modify it's properties. 1658 HTMLArea.prototype._insertImage = function(image) { 1659 var editor = this; // for nested functions 1660 var outparam = null; 1661 if (typeof image == "undefined") { 1662 image = this.getParentElement(); 1663 if (image && !/^img$/i.test(image.tagName)) 1664 image = null; 1665 } 1666 if (image) outparam = { 1667 f_base : editor.config.baseURL, 1668 f_url : HTMLArea.is_ie ? editor.stripBaseURL(image.src) : image.getAttribute("src"), 1669 f_alt : image.alt, 1670 f_border : image.border, 1671 f_align : image.align, 1672 f_vert : image.vspace, 1673 f_horiz : image.hspace 1674 }; 1675 this._popupDialog("insert_image.html", function(param) { 1676 if (!param) { // user must have pressed Cancel 1677 return false; 1678 } 1679 var img = image; 1680 if (!img) { 1681 var sel = editor._getSelection(); 1682 var range = editor._createRange(sel); 1683 editor._doc.execCommand("insertimage", false, param.f_url); 1684 if (HTMLArea.is_ie) { 1685 img = range.parentElement(); 1686 // wonder if this works... 1687 if (img.tagName.toLowerCase() != "img") { 1688 img = img.previousSibling; 1689 } 1690 } else { 1691 img = range.startContainer.previousSibling; 1692 } 1693 } else { 1694 img.src = param.f_url; 1695 } 1696 1697 for (var field in param) { 1698 var value = param[field]; 1699 switch (field) { 1700 case "f_alt" : img.alt = value; break; 1701 case "f_border" : img.border = parseInt(value || "0"); break; 1702 case "f_align" : img.align = value; break; 1703 case "f_vert" : img.vspace = parseInt(value || "0"); break; 1704 case "f_horiz" : img.hspace = parseInt(value || "0"); break; 1705 } 1706 } 1707 }, outparam); 1708 }; 1709 1710 // Called when the user clicks the Insert Table button 1711 HTMLArea.prototype._insertTable = function() { 1712 var sel = this._getSelection(); 1713 var range = this._createRange(sel); 1714 var editor = this; // for nested functions 1715 this._popupDialog("insert_table.html", function(param) { 1716 if (!param) { // user must have pressed Cancel 1717 return false; 1718 } 1719 var doc = editor._doc; 1720 // create the table element 1721 var table = doc.createElement("table"); 1722 // assign the given arguments 1723 1724 for (var field in param) { 1725 var value = param[field]; 1726 if (!value) { 1727 continue; 1728 } 1729 switch (field) { 1730 case "f_width" : table.style.width = value + param["f_unit"]; break; 1731 case "f_align" : table.align = value; break; 1732 case "f_border" : table.border = parseInt(value); break; 1733 case "f_spacing" : table.cellSpacing = parseInt(value); break; 1734 case "f_padding" : table.cellPadding = parseInt(value); break; 1735 } 1736 } 1737 var cellwidth = 0; 1738 if (param.f_fixed) 1739 cellwidth = Math.floor(100 / parseInt(param.f_cols)); 1740 var tbody = doc.createElement("tbody"); 1741 table.appendChild(tbody); 1742 for (var i = 0; i < param["f_rows"]; ++i) { 1743 var tr = doc.createElement("tr"); 1744 tbody.appendChild(tr); 1745 for (var j = 0; j < param["f_cols"]; ++j) { 1746 var td = doc.createElement("td"); 1747 if (cellwidth) 1748 td.style.width = cellwidth + "%"; 1749 tr.appendChild(td); 1750 // Mozilla likes to see something inside the cell. 1751 (HTMLArea.is_gecko) && td.appendChild(doc.createElement("br")); 1752 } 1753 } 1754 if (HTMLArea.is_ie) { 1755 range.pasteHTML(table.outerHTML); 1756 } else { 1757 // insert the table 1758 editor.insertNodeAtSelection(table); 1759 } 1760 return true; 1761 }, null); 1762 }; 1763 1764 /*************************************************** 1765 * Category: EVENT HANDLERS 1766 ***************************************************/ 1767 1768 // el is reference to the SELECT object 1769 // txt is the name of the select field, as in config.toolbar 1770 HTMLArea.prototype._comboSelected = function(el, txt) { 1771 this.focusEditor(); 1772 var value = el.options[el.selectedIndex].value; 1773 switch (txt) { 1774 case "fontname": 1775 case "fontsize": this.execCommand(txt, false, value); break; 1776 case "formatblock": 1777 (HTMLArea.is_ie) && (value = "<" + value + ">"); 1778 this.execCommand(txt, false, value); 1779 break; 1780 default: 1781 // try to look it up in the registered dropdowns 1782 var dropdown = this.config.customSelects[txt]; 1783 if (typeof dropdown != "undefined") { 1784 dropdown.action(this); 1785 } else { 1786 alert("FIXME: combo box " + txt + " not implemented"); 1787 } 1788 } 1789 }; 1790 1791 // the execCommand function (intercepts some commands and replaces them with 1792 // our own implementation) 1793 HTMLArea.prototype.execCommand = function(cmdID, UI, param) { 1794 var editor = this; // for nested functions 1795 this.focusEditor(); 1796 cmdID = cmdID.toLowerCase(); 1797 if (HTMLArea.is_gecko) try { this._doc.execCommand('useCSS', false, true); } catch (e) {}; 1798 switch (cmdID) { 1799 case "htmlmode" : this.setMode(); break; 1800 case "hilitecolor": 1801 (HTMLArea.is_ie) && (cmdID = "backcolor"); 1802 case "forecolor": 1803 this._popupDialog("select_color.html", function(color) { 1804 if (color) { // selection not canceled 1805 editor._doc.execCommand(cmdID, false, "#" + color); 1806 } 1807 }, HTMLArea._colorToRgb(this._doc.queryCommandValue(cmdID))); 1808 break; 1809 case "createlink": 1810 this._createLink(); 1811 break; 1812 case "popupeditor": 1813 // this object will be passed to the newly opened window 1814 HTMLArea._object = this; 1815 if (HTMLArea.is_ie) { 1816 //if (confirm(HTMLArea.I18N.msg["IE-sucks-full-screen"])) 1817 { 1818 window.open(this.popupURL("fullscreen.html"), "ha_fullscreen", 1819 "toolbar=no,location=no,directories=no,status=no,menubar=no," + 1820 "scrollbars=no,resizable=yes,width=640,height=480"); 1821 } 1822 } else { 1823 window.open(this.popupURL("fullscreen.html"), "ha_fullscreen", 1824 "toolbar=no,menubar=no,personalbar=no,width=640,height=480," + 1825 "scrollbars=no,resizable=yes"); 1826 } 1827 break; 1828 case "undo": 1829 case "redo": 1830 if (this._customUndo) 1831 this[cmdID](); 1832 else 1833 this._doc.execCommand(cmdID, UI, param); 1834 break; 1835 case "inserttable": this._insertTable(); break; 1836 case "insertimage": this._insertImage(); break; 1837 case "about" : this._popupDialog("about.html", null, this); break; 1838 case "showhelp" : window.open(_editor_url + "reference.html", "ha_help"); break; 1839 1840 case "killword": this._wordClean(); break; 1841 1842 case "cut": 1843 case "copy": 1844 case "paste": 1845 try { 1846 this._doc.execCommand(cmdID, UI, param); 1847 if (this.config.killWordOnPaste) 1848 this._wordClean(); 1849 } catch (e) { 1850 if (HTMLArea.is_gecko) { 1851 if (typeof HTMLArea.I18N.msg["Moz-Clipboard"] == "undefined") { 1852 HTMLArea.I18N.msg["Moz-Clipboard"] = 1853 "Unprivileged scripts cannot access Cut/Copy/Paste programatically " + 1854 "for security reasons. Click OK to see a technical note at mozilla.org " + 1855 "which shows you how to allow a script to access the clipboard.\n\n" + 1856 "[FIXME: please translate this message in your language definition file.]"; 1857 } 1858 if (confirm(HTMLArea.I18N.msg["Moz-Clipboard"])) 1859 window.open("http://mozilla.org/editor/midasdemo/securityprefs.html"); 1860 } 1861 } 1862 break; 1863 case "lefttoright": 1864 case "righttoleft": 1865 var dir = (cmdID == "righttoleft") ? "rtl" : "ltr"; 1866 var el = this.getParentElement(); 1867 while (el && !HTMLArea.isBlockElement(el)) 1868 el = el.parentNode; 1869 if (el) { 1870 if (el.style.direction == dir) 1871 el.style.direction = ""; 1872 else 1873 el.style.direction = dir; 1874 } 1875 break; 1876 default: try { this._doc.execCommand(cmdID, UI, param); } 1877 catch(e) { if (this.config.debug) { alert(e + "\n\nby execCommand(" + cmdID + ");"); } } 1878 } 1879 this.updateToolbar(); 1880 return false; 1881 }; 1882 1883 /** A generic event handler for things that happen in the IFRAME's document. 1884 * This function also handles key bindings. */ 1885 HTMLArea.prototype._editorEvent = function(ev) { 1886 var editor = this; 1887 var keyEvent = (HTMLArea.is_ie && ev.type == "keydown") || (!HTMLArea.is_ie && ev.type == "keypress"); 1888 1889 if (keyEvent) 1890 for (var i in editor.plugins) { 1891 try { 1892 var plugin = editor.plugins[i].instance; 1893 if (typeof plugin.onKeyPress == "function") 1894 if (plugin.onKeyPress(ev)) 1895 return false; 1896 } catch(e) { /*alert(e);*/ } 1897 } 1898 if (keyEvent && ev.ctrlKey && !ev.altKey) { 1899 var sel = null; 1900 var range = null; 1901 var key = String.fromCharCode(HTMLArea.is_ie ? ev.keyCode : ev.charCode).toLowerCase(); 1902 var cmd = null; 1903 var value = null; 1904 switch (key) { 1905 case 'a': 1906 if (!HTMLArea.is_ie) { 1907 // KEY select all 1908 sel = this._getSelection(); 1909 sel.removeAllRanges(); 1910 range = this._createRange(); 1911 range.selectNodeContents(this._doc.body); 1912 sel.addRange(range); 1913 HTMLArea._stopEvent(ev); 1914 } 1915 break; 1916 1917 // simple key commands follow 1918 1919 case 'b': cmd = "bold"; break; 1920 case 'i': cmd = "italic"; break; 1921 case 'u': cmd = "underline"; break; 1922 case 's': cmd = "strikethrough"; break; 1923 case 'l': cmd = "justifyleft"; break; 1924 case 'e': cmd = "justifycenter"; break; 1925 case 'r': cmd = "justifyright"; break; 1926 case 'j': cmd = "justifyfull"; break; 1927 case 'z': cmd = "undo"; break; 1928 case 'y': cmd = "redo"; break; 1929 case 'v': if (HTMLArea.is_ie || editor.config.htmlareaPaste) { cmd = "paste"; } break; 1930 case 'n': cmd = "formatblock"; value = HTMLArea.is_ie ? "<p>" : "p"; break; 1931 1932 case '0': cmd = "killword"; break; 1933 1934 // headings 1935 case '1': 1936 case '2': 1937 case '3': 1938 case '4': 1939 case '5': 1940 case '6': 1941 cmd = "formatblock"; 1942 value = "h" + key; 1943 if (HTMLArea.is_ie) 1944 value = "<" + value + ">"; 1945 break; 1946 } 1947 if (cmd) { 1948 // execute simple command 1949 this.execCommand(cmd, false, value); 1950 HTMLArea._stopEvent(ev); 1951 } 1952 } 1953 else if (keyEvent) { 1954 // other keys here 1955 switch (ev.keyCode) { 1956 case 13: // KEY enter 1957 if (HTMLArea.is_gecko && !ev.shiftKey) { 1958 this.dom_checkInsertP(); 1959 HTMLArea._stopEvent(ev); 1960 } 1961 break; 1962 case 8: // KEY backspace 1963 case 46: // KEY delete 1964 if (HTMLArea.is_gecko && !ev.shiftKey) { 1965 if (this.dom_checkBackspace()) 1966 HTMLArea._stopEvent(ev); 1967 } else if (HTMLArea.is_ie) { 1968 if (this.ie_checkBackspace()) 1969 HTMLArea._stopEvent(ev); 1970 } 1971 break; 1972 } 1973 } 1974 1975 // update the toolbar state after some time 1976 if (editor._timerToolbar) { 1977 clearTimeout(editor._timerToolbar); 1978 } 1979 editor._timerToolbar = setTimeout(function() { 1980 editor.updateToolbar(); 1981 editor._timerToolbar = null; 1982 }, 50); 1983 }; 1984 1985 HTMLArea.prototype.convertNode = function(el, newTagName) { 1986 var newel = this._doc.createElement(newTagName); 1987 while (el.firstChild) 1988 newel.appendChild(el.firstChild); 1989 return newel; 1990 }; 1991 1992 HTMLArea.prototype.ie_checkBackspace = function() { 1993 var sel = this._getSelection(); 1994 var range = this._createRange(sel); 1995 var r2 = range.duplicate(); 1996 r2.moveStart("character", -1); 1997 var a = r2.parentElement(); 1998 if (a != range.parentElement() && 1999 /^a$/i.test(a.tagName)) { 2000 r2.collapse(true); 2001 r2.moveEnd("character", 1); 2002 r2.pasteHTML(''); 2003 r2.select(); 2004 return true; 2005 } 2006 }; 2007 2008 HTMLArea.prototype.dom_checkBackspace = function() { 2009 var self = this; 2010 setTimeout(function() { 2011 var sel = self._getSelection(); 2012 var range = self._createRange(sel); 2013 var SC = range.startContainer; 2014 var SO = range.startOffset; 2015 var EC = range.endContainer; 2016 var EO = range.endOffset; 2017 var newr = SC.nextSibling; 2018 if (SC.nodeType == 3) 2019 SC = SC.parentNode; 2020 if (!/\S/.test(SC.tagName)) { 2021 var p = document.createElement("p"); 2022 while (SC.firstChild) 2023 p.appendChild(SC.firstChild); 2024 SC.parentNode.insertBefore(p, SC); 2025 SC.parentNode.removeChild(SC); 2026 var r = range.cloneRange(); 2027 r.setStartBefore(newr); 2028 r.setEndAfter(newr); 2029 r.extractContents(); 2030 sel.removeAllRanges(); 2031 sel.addRange(r); 2032 } 2033 }, 10); 2034 }; 2035 2036 HTMLArea.prototype.dom_checkInsertP = function() { 2037 var p = this.getAllAncestors(); 2038 var block = null; 2039 var body = this._doc.body; 2040 for (var i = 0; i < p.length; ++i) 2041 if (HTMLArea.isBlockElement(p[i]) && !/body|html/i.test(p[i].tagName)) { 2042 block = p[i]; 2043 break; 2044 } 2045 var sel = this._getSelection(); 2046 var range = this._createRange(sel); 2047 if (!range.collapsed) 2048 range.deleteContents(); 2049 sel.removeAllRanges(); 2050 var SC = range.startContainer; 2051 var SO = range.startOffset; 2052 var EC = range.endContainer; 2053 var EO = range.endOffset; 2054 //alert(SC.tagName + ":" + SO + " => " + EC.tagName + ":" + EO); 2055 if (SC == EC && SC == body && !SO && !EO) { 2056 p = this._doc.createTextNode(" "); 2057 body.insertBefore(p, body.firstChild); 2058 range.selectNodeContents(p); 2059 SC = range.startContainer; 2060 SO = range.startOffset; 2061 EC = range.endContainer; 2062 EO = range.endOffset; 2063 } 2064 if (!block) { 2065 var r2 = range.cloneRange(); 2066 r2.setStartBefore(SC); 2067 r2.setEndAfter(EC); 2068 r2.surroundContents(block = this._doc.createElement("p")); 2069 range.setEndAfter(block); 2070 range.setStart(block.firstChild, SO); 2071 } else range.setEndAfter(block); 2072 var df = range.extractContents(); 2073 if (!/\S/.test(block.innerHTML)) 2074 block.innerHTML = "<br />"; 2075 p = df.firstChild; 2076 if (!/\S/.test(p.innerHTML)) 2077 p.innerHTML = "<br />"; 2078 if (/^\s*<br\s*\/?>\s*$/.test(p.innerHTML) && /^h[1-6]$/i.test(p.tagName)) { 2079 df.appendChild(this.convertNode(p, "p")); 2080 df.removeChild(p); 2081 } 2082 block.parentNode.insertBefore(df, block.nextSibling); 2083 range.selectNodeContents(block.nextSibling); 2084 range.collapse(true); 2085 sel.addRange(range); 2086 this.forceRedraw(); 2087 }; 2088 2089 // retrieve the HTML 2090 HTMLArea.prototype.getHTML = function() { 2091 switch (this._editMode) { 2092 case "wysiwyg" : 2093 if (!this.config.fullPage) { 2094 return HTMLArea.getHTML(this._doc.body, false, this); 2095 } else 2096 return this.doctype + "\n" + HTMLArea.getHTML(this._doc.documentElement, true, this); 2097 case "textmode" : return this._textArea.value; 2098 default : alert("Mode <" + mode + "> not defined!"); 2099 } 2100 return false; 2101 }; 2102 2103 // retrieve the HTML (fastest version, but uses innerHTML) 2104 HTMLArea.prototype.getInnerHTML = function() { 2105 switch (this._editMode) { 2106 case "wysiwyg" : 2107 if (!this.config.fullPage) 2108 return this._doc.body.innerHTML; 2109 else 2110 return this.doctype + "\n" + this._doc.documentElement.innerHTML; 2111 case "textmode" : return this._textArea.value; 2112 default : alert("Mode <" + mode + "> not defined!"); 2113 } 2114 return false; 2115 }; 2116 2117 // completely change the HTML inside 2118 HTMLArea.prototype.setHTML = function(html) { 2119 switch (this._editMode) { 2120 case "wysiwyg" : 2121 if (!this.config.fullPage) 2122 this._doc.body.innerHTML = html; 2123 else 2124 // this._doc.documentElement.innerHTML = html; 2125 this._doc.body.innerHTML = html; 2126 break; 2127 case "textmode" : this._textArea.value = html; break; 2128 default : alert("Mode <" + mode + "> not defined!"); 2129 } 2130 return false; 2131 }; 2132 2133 // sets the given doctype (useful when config.fullPage is true) 2134 HTMLArea.prototype.setDoctype = function(doctype) { 2135 this.doctype = doctype; 2136 }; 2137 2138 /*************************************************** 2139 * Category: UTILITY FUNCTIONS 2140 ***************************************************/ 2141 2142 // variable used to pass the object to the popup editor window. 2143 HTMLArea._object = null; 2144 2145 // function that returns a clone of the given object 2146 HTMLArea.cloneObject = function(obj) { 2147 if (!obj) return null; 2148 var newObj = new Object; 2149 2150 // check for array objects 2151 if (obj.constructor.toString().indexOf("function Array(") == 1) { 2152 newObj = obj.constructor(); 2153 } 2154 2155 // check for function objects (as usual, IE is fucked up) 2156 if (obj.constructor.toString().indexOf("function Function(") == 1) { 2157 newObj = obj; // just copy reference to it 2158 } else for (var n in obj) { 2159 var node = obj[n]; 2160 if (typeof node == 'object') { newObj[n] = HTMLArea.cloneObject(node); } 2161 else { newObj[n] = node; } 2162 } 2163 2164 return newObj; 2165 }; 2166 2167 // FIXME!!! this should return false for IE < 5.5 2168 HTMLArea.checkSupportedBrowser = function() { 2169 if (HTMLArea.is_gecko) { 2170 if (navigator.productSub < 20021201) { 2171 alert("You need at least Mozilla-1.3 Alpha.\n" + 2172 "Sorry, your Gecko is not supported."); 2173 return false; 2174 } 2175 if (navigator.productSub < 20030210) { 2176 alert("Mozilla < 1.3 Beta is not supported!\n" + 2177 "I'll try, though, but it might not work."); 2178 } 2179 } 2180 return HTMLArea.is_gecko || HTMLArea.is_ie; 2181 }; 2182 2183 // selection & ranges 2184 2185 // returns the current selection object 2186 HTMLArea.prototype._getSelection = function() { 2187 if (HTMLArea.is_ie) { 2188 return this._doc.selection; 2189 } else { 2190 return this._iframe.contentWindow.getSelection(); 2191 } 2192 }; 2193 2194 // returns a range for the current selection 2195 HTMLArea.prototype._createRange = function(sel) { 2196 if (HTMLArea.is_ie) { 2197 return sel.createRange(); 2198 } else { 2199 this.focusEditor(); 2200 if (typeof sel != "undefined") { 2201 try { 2202 return sel.getRangeAt(0); 2203 } catch(e) { 2204 return this._doc.createRange(); 2205 } 2206 } else { 2207 return this._doc.createRange(); 2208 } 2209 } 2210 }; 2211 2212 // event handling 2213 2214 HTMLArea._addEvent = function(el, evname, func) { 2215 if (HTMLArea.is_ie) { 2216 el.attachEvent("on" + evname, func); 2217 } else { 2218 el.addEventListener(evname, func, true); 2219 } 2220 }; 2221 2222 HTMLArea._addEvents = function(el, evs, func) { 2223 for (var i = evs.length; --i >= 0;) { 2224 HTMLArea._addEvent(el, evs[i], func); 2225 } 2226 }; 2227 2228 HTMLArea._removeEvent = function(el, evname, func) { 2229 if (HTMLArea.is_ie) { 2230 el.detachEvent("on" + evname, func); 2231 } else { 2232 el.removeEventListener(evname, func, true); 2233 } 2234 }; 2235 2236 HTMLArea._removeEvents = function(el, evs, func) { 2237 for (var i = evs.length; --i >= 0;) { 2238 HTMLArea._removeEvent(el, evs[i], func); 2239 } 2240 }; 2241 2242 HTMLArea._stopEvent = function(ev) { 2243 if (HTMLArea.is_ie) { 2244 ev.cancelBubble = true; 2245 ev.returnValue = false; 2246 } else { 2247 ev.preventDefault(); 2248 ev.stopPropagation(); 2249 } 2250 }; 2251 2252 HTMLArea._removeClass = function(el, className) { 2253 if (!(el && el.className)) { 2254 return; 2255 } 2256 var cls = el.className.split(" "); 2257 var ar = new Array(); 2258 for (var i = cls.length; i > 0;) { 2259 if (cls[--i] != className) { 2260 ar[ar.length] = cls[i]; 2261 } 2262 } 2263 el.className = ar.join(" "); 2264 }; 2265 2266 HTMLArea._addClass = function(el, className) { 2267 // remove the class first, if already there 2268 HTMLArea._removeClass(el, className); 2269 el.className += " " + className; 2270 }; 2271 2272 HTMLArea._hasClass = function(el, className) { 2273 if (!(el && el.className)) { 2274 return false; 2275 } 2276 var cls = el.className.split(" "); 2277 for (var i = cls.length; i > 0;) { 2278 if (cls[--i] == className) { 2279 return true; 2280 } 2281 } 2282 return false; 2283 }; 2284 2285 HTMLArea._blockTags = " body form textarea fieldset ul ol dl li div " + 2286 "p h1 h2 h3 h4 h5 h6 quote pre table thead " + 2287 "tbody tfoot tr td iframe address "; 2288 HTMLArea.isBlockElement = function(el) { 2289 return el && el.nodeType == 1 && (HTMLArea._blockTags.indexOf(" " + el.tagName.toLowerCase() + " ") != -1); 2290 }; 2291 2292 HTMLArea._closingTags = " head script style div span tr td tbody table em strong b i code cite dfn abbr acronym font a title "; 2293 HTMLArea.needsClosingTag = function(el) { 2294 return el && el.nodeType == 1 && (HTMLArea._closingTags.indexOf(" " + el.tagName.toLowerCase() + " ") != -1); 2295 }; 2296 2297 // performs HTML encoding of some given string 2298 HTMLArea.htmlEncode = function(str) { 2299 // we don't need regexp for that, but.. so be it for now. 2300 str = str.replace(/&/ig, "&"); 2301 str = str.replace(/</ig, "<"); 2302 str = str.replace(/>/ig, ">"); 2303 str = str.replace(/\x22/ig, """); 2304 // \x22 means '"' -- we use hex reprezentation so that we don't disturb 2305 // JS compressors (well, at least mine fails.. ;) 2306 return str; 2307 }; 2308 2309 // Retrieves the HTML code from the given node. This is a replacement for 2310 // getting innerHTML, using standard DOM calls. 2311 // Wrapper catch a Mozilla-Exception with non well formed html source code 2312 HTMLArea.getHTML = function(root, outputRoot, editor){ 2313 try{ 2314 return HTMLArea.getHTMLWrapper(root,outputRoot,editor); 2315 } 2316 catch(e){ 2317 alert('Your Document is not well formed. Check JavaScript console for details.'); 2318 return editor._iframe.contentWindow.document.body.innerHTML; 2319 } 2320 } 2321 2322 HTMLArea.getHTMLWrapper = function(root, outputRoot, editor) { 2323 var html = ""; 2324 switch (root.nodeType) { 2325 case 1: // Node.ELEMENT_NODE 2326 case 11: // Node.DOCUMENT_FRAGMENT_NODE 2327 var closed; 2328 var i; 2329 var root_tag = (root.nodeType == 1) ? root.tagName.toLowerCase() : ''; 2330 if (root_tag == 'br' && !root.nextSibling) 2331 break; 2332 if (outputRoot) 2333 outputRoot = !(editor.config.htmlRemoveTags && editor.config.htmlRemoveTags.test(root_tag)); 2334 if (HTMLArea.is_ie && root_tag == "head") { 2335 if (outputRoot) 2336 html += "<head>"; 2337 // lowercasize 2338 var save_multiline = RegExp.multiline; 2339 RegExp.multiline = true; 2340 var txt = root.innerHTML.replace(HTMLArea.RE_tagName, function(str, p1, p2) { 2341 return p1 + p2.toLowerCase(); 2342 }); 2343 RegExp.multiline = save_multiline; 2344 html += txt; 2345 if (outputRoot) 2346 html += "</head>"; 2347 break; 2348 } else if (outputRoot) { 2349 closed = (!(root.hasChildNodes() || HTMLArea.needsClosingTag(root))); 2350 html = "<" + root.tagName.toLowerCase(); 2351 var attrs = root.attributes; 2352 for (i = 0; i < attrs.length; ++i) { 2353 var a = attrs.item(i); 2354 if (!a.specified) { 2355 continue; 2356 } 2357 var name = a.nodeName.toLowerCase(); 2358 if (/_moz_editor_bogus_node/.test(name)) { 2359 html = ""; 2360 break; 2361 } 2362 if (/_moz|contenteditable|_msh/.test(name)) { 2363 // avoid certain attributes 2364 continue; 2365 } 2366 var value; 2367 if (name != "style") { 2368 // IE5.5 reports 25 when cellSpacing is 2369 // 1; other values might be doomed too. 2370 // For this reason we extract the 2371 // values directly from the root node. 2372 // I'm starting to HATE JavaScript 2373 // development. Browser differences 2374 // suck. 2375 // 2376 // Using Gecko the values of href and src are converted to absolute links 2377 // unless we get them using nodeValue() 2378 if (typeof root[a.nodeName] != "undefined" && name != "href" && name != "src" && !/^on/.test(name)) { 2379 value = root[a.nodeName]; 2380 } else { 2381 value = a.nodeValue; 2382 // IE seems not willing to return the original values - it converts to absolute 2383 // links using a.nodeValue, a.value, a.stringValue, root.getAttribute("href") 2384 // So we have to strip the baseurl manually :-/ 2385 if (HTMLArea.is_ie && (name == "href" || name == "src")) { 2386 value = editor.stripBaseURL(value); 2387 } 2388 } 2389 } else { // IE fails to put style in attributes list 2390 // FIXME: cssText reported by IE is UPPERCASE 2391 value = root.style.cssText; 2392 } 2393 if (/(_moz|^$)/.test(value)) { 2394 // Mozilla reports some special tags 2395 // here; we don't need them. 2396 continue; 2397 } 2398 html += " " + name + '="' + value + '"'; 2399 } 2400 if (html != "") { 2401 html += closed ? " />" : ">"; 2402 } 2403 } 2404 for (i = root.firstChild; i; i = i.nextSibling) { 2405 html += HTMLArea.getHTMLWrapper(i, true, editor); 2406 } 2407 if (outputRoot && !closed) { 2408 html += "</" + root.tagName.toLowerCase() + ">"; 2409 } 2410 break; 2411 case 3: // Node.TEXT_NODE 2412 // If a text node is alone in an element and all spaces, replace it with an non breaking one 2413 // This partially undoes the damage done by moz, which translates ' 's into spaces in the data element 2414 /* if ( !root.previousSibling && !root.nextSibling && root.data.match(/^\s*$/i) ) html = ' '; 2415 else */ 2416 html = /^script|style$/i.test(root.parentNode.tagName) ? root.data : HTMLArea.htmlEncode(root.data); 2417 break; 2418 case 4: // Node.CDATA_SECTION_NODE 2419 // FIXME: it seems we never get here, but I believe we should.. 2420 // maybe a browser problem?--CDATA sections are converted to plain text nodes and normalized 2421 // CDATA sections should go "as is" without further encoding 2422 html = "<![CDATA[" + root.data + "]]>"; 2423 break; 2424 case 8: // Node.COMMENT_NODE 2425 html = "<!--" + root.data + "-->"; 2426 break; // skip comments, for now. 2427 } 2428 return html; 2429 }; 2430 2431 HTMLArea.prototype.stripBaseURL = function(string) { 2432 var baseurl = this.config.baseURL; 2433 // strip to last directory in case baseurl points to a file 2434 baseurl = baseurl.replace(/[^\/]+$/, ''); 2435 _baseurl = baseurl; 2436 var basere = new RegExp(baseurl); 2437 string = string.replace(basere, this.config.baseURL); 2438 2439 // strip host-part of URL which is added by MSIE to links relative to server root 2440 baseurl = baseurl.replace(/^(https?:\/\/[^\/]+)(.*)$/, '$1'); 2441 basere = new RegExp(baseurl); 2442 return string.replace(basere, baseurl); 2443 }; 2444 2445 String.prototype.trim = function() { 2446 return this.replace(/^\s+/, '').replace(/\s+$/, ''); 2447 }; 2448 2449 // creates a rgb-style color from a number 2450 HTMLArea._makeColor = function(v) { 2451 if (typeof v != "number") { 2452 // already in rgb (hopefully); IE doesn't get here. 2453 return v; 2454 } 2455 // IE sends number; convert to rgb. 2456 var r = v & 0xFF; 2457 var g = (v >> 8) & 0xFF; 2458 var b = (v >> 16) & 0xFF; 2459 return "rgb(" + r + "," + g + "," + b + ")"; 2460 }; 2461 2462 // returns hexadecimal color representation from a number or a rgb-style color. 2463 HTMLArea._colorToRgb = function(v) { 2464 if (!v) 2465 return ''; 2466 2467 // returns the hex representation of one byte (2 digits) 2468 function hex(d) { 2469 return (d < 16) ? ("0" + d.toString(16)) : d.toString(16); 2470 }; 2471 2472 if (typeof v == "number") { 2473 // we're talking to IE here 2474 var r = v & 0xFF; 2475 var g = (v >> 8) & 0xFF; 2476 var b = (v >> 16) & 0xFF; 2477 return "#" + hex(r) + hex(g) + hex(b); 2478 } 2479 2480 if (v.substr(0, 3) == "rgb") { 2481 // in rgb(...) form -- Mozilla 2482 var re = /rgb\s*\(\s*([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\s*\)/; 2483 if (v.match(re)) { 2484 var r = parseInt(RegExp.$1); 2485 var g = parseInt(RegExp.$2); 2486 var b = parseInt(RegExp.$3); 2487 return "#" + hex(r) + hex(g) + hex(b); 2488 } 2489 // doesn't match RE?! maybe uses percentages or float numbers 2490 // -- FIXME: not yet implemented. 2491 return null; 2492 } 2493 2494 if (v.substr(0, 1) == "#") { 2495 // already hex rgb (hopefully :D ) 2496 return v; 2497 } 2498 2499 // if everything else fails ;) 2500 return null; 2501 }; 2502 2503 // modal dialogs for Mozilla (for IE we're using the showModalDialog() call). 2504 2505 // receives an URL to the popup dialog and a function that receives one value; 2506 // this function will get called after the dialog is closed, with the return 2507 // value of the dialog. 2508 HTMLArea.prototype._popupDialog = function(url, action, init) { 2509 Dialog(this.popupURL(url), action, init); 2510 }; 2511 2512 // paths 2513 2514 HTMLArea.prototype.imgURL = function(file, plugin) { 2515 if (typeof plugin == "undefined") 2516 return _editor_url + file; 2517 else 2518 return _editor_url + "plugins/" + plugin + "/img/" + file; 2519 }; 2520 2521 HTMLArea.prototype.popupURL = function(file) { 2522 var url = ""; 2523 if (file.match(/^plugin:\/\/(.*?)\/(.*)/)) { 2524 var plugin = RegExp.$1; 2525 var popup = RegExp.$2; 2526 if (!/\.html$/.test(popup)) 2527 popup += ".html"; 2528 url = _editor_url + "plugins/" + plugin + "/popups/" + popup; 2529 } else 2530 url = _editor_url + this.config.popupURL + file; 2531 return url; 2532 }; 2533 2534 /** 2535 * FIX: Internet Explorer returns an item having the _name_ equal to the given 2536 * id, even if it's not having any id. This way it can return a different form 2537 * field even if it's not a textarea. This workarounds the problem by 2538 * specifically looking to search only elements having a certain tag name. 2539 */ 2540 HTMLArea.getElementById = function(tag, id) { 2541 var el, i, objs = document.getElementsByTagName(tag); 2542 for (i = objs.length; --i >= 0 && (el = objs[i]);) 2543 if (el.id == id) 2544 return el; 2545 return null; 2546 }; 2547 2548 2549 2550 // EOF 2551 // Local variables: // 2552 // c-basic-offset:8 // 2553 // indent-tabs-mode:t // 2554 // End: //
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| Généré le : Sat Nov 24 09:00:37 2007 | par Balluche grâce à PHPXref 0.7 |
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