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Code source de GeekLog 1.4.1 |
1 /* 2 * FCKeditor - The text editor for internet 3 * Copyright (C) 2003-2006 Frederico Caldeira Knabben 4 * 5 * Licensed under the terms of the GNU Lesser General Public License: 6 * http://www.opensource.org/licenses/lgpl-license.php 7 * 8 * For further information visit: 9 * http://www.fckeditor.net/ 10 * 11 * "Support Open Source software. What about a donation today?" 12 * 13 * File Name: fckpanel.js 14 * Component that creates floating panels. It is used by many 15 * other components, like the toolbar items, context menu, etc... 16 * 17 * File Authors: 18 * Frederico Caldeira Knabben (fredck@fckeditor.net) 19 */ 20 21 22 var FCKPanel = function( parentWindow ) 23 { 24 this.IsRTL = ( FCKLang.Dir == 'rtl' ) ; 25 this.IsContextMenu = false ; 26 this._LockCounter = 0 ; 27 28 this._Window = parentWindow || window ; 29 30 var oDocument ; 31 32 if ( FCKBrowserInfo.IsIE ) 33 { 34 // Create the Popup that will hold the panel. 35 this._Popup = this._Window.createPopup() ; 36 oDocument = this.Document = this._Popup.document ; 37 } 38 else 39 { 40 var oIFrame = this._IFrame = this._Window.document.createElement('iframe') ; 41 oIFrame.src = 'javascript:void(0)' ; 42 oIFrame.allowTransparency = true ; 43 oIFrame.frameBorder = '0' ; 44 oIFrame.scrolling = 'no' ; 45 oIFrame.style.position = 'absolute'; 46 oIFrame.style.zIndex = FCKConfig.FloatingPanelsZIndex ; 47 oIFrame.width = oIFrame.height = 0 ; 48 49 if ( this._Window == window.parent ) 50 window.frameElement.parentNode.insertBefore( oIFrame, window.frameElement ) ; 51 else 52 this._Window.document.body.appendChild( oIFrame ) ; 53 54 var oIFrameWindow = oIFrame.contentWindow ; 55 56 oDocument = this.Document = oIFrameWindow.document ; 57 58 // Initialize the IFRAME document body. 59 oDocument.open() ; 60 oDocument.write( '<html><head></head><body style="margin:0px;padding:0px;"><\/body><\/html>' ) ; 61 oDocument.close() ; 62 63 FCKTools.AddEventListenerEx( oIFrameWindow, 'focus', FCKPanel_Window_OnFocus, this ) ; 64 FCKTools.AddEventListenerEx( oIFrameWindow, 'blur', FCKPanel_Window_OnBlur, this ) ; 65 } 66 67 oDocument.dir = FCKLang.Dir ; 68 69 oDocument.oncontextmenu = FCKTools.CancelEvent ; 70 71 72 // Create the main DIV that is used as the panel base. 73 this.MainNode = oDocument.body.appendChild( oDocument.createElement('DIV') ) ; 74 75 // The "float" property must be set so Firefox calculates the size correcly. 76 this.MainNode.style.cssFloat = this.IsRTL ? 'right' : 'left' ; 77 78 if ( FCK.IECleanup ) 79 FCK.IECleanup.AddItem( this, FCKPanel_Cleanup ) ; 80 } 81 82 83 FCKPanel.prototype.AppendStyleSheet = function( styleSheet ) 84 { 85 FCKTools.AppendStyleSheet( this.Document, styleSheet ) ; 86 } 87 88 FCKPanel.prototype.Preload = function( x, y, relElement ) 89 { 90 // The offsetWidth and offsetHeight properties are not available if the 91 // element is not visible. So we must "show" the popup with no size to 92 // be able to use that values in the second call (IE only). 93 if ( this._Popup ) 94 this._Popup.show( x, y, 0, 0, relElement ) ; 95 } 96 97 FCKPanel.prototype.Show = function( x, y, relElement, width, height ) 98 { 99 if ( this._Popup ) 100 { 101 // The offsetWidth and offsetHeight properties are not available if the 102 // element is not visible. So we must "show" the popup with no size to 103 // be able to use that values in the second call. 104 this._Popup.show( x, y, 0, 0, relElement ) ; 105 106 // The following lines must be place after the above "show", otherwise it 107 // doesn't has the desired effect. 108 this.MainNode.style.width = width ? width + 'px' : '' ; 109 this.MainNode.style.height = height ? height + 'px' : '' ; 110 111 var iMainWidth = this.MainNode.offsetWidth ; 112 113 if ( this.IsRTL ) 114 { 115 if ( this.IsContextMenu ) 116 x = x - iMainWidth + 1 ; 117 else if ( relElement ) 118 x = ( x * -1 ) + relElement.offsetWidth - iMainWidth ; 119 } 120 121 // Second call: Show the Popup at the specified location, with the correct size. 122 this._Popup.show( x, y, iMainWidth, this.MainNode.offsetHeight, relElement ) ; 123 124 if ( this.OnHide ) 125 { 126 if ( this._Timer ) 127 CheckPopupOnHide.call( this, true ) ; 128 129 this._Timer = FCKTools.SetInterval( CheckPopupOnHide, 100, this ) ; 130 } 131 } 132 else 133 { 134 // Do not fire OnBlur while the panel is opened. 135 FCKFocusManager.Lock() ; 136 137 if ( this.ParentPanel ) 138 this.ParentPanel.Lock() ; 139 140 this.MainNode.style.width = width ? width + 'px' : '' ; 141 this.MainNode.style.height = height ? height + 'px' : '' ; 142 143 var iMainWidth = this.MainNode.offsetWidth ; 144 145 if ( !width ) this._IFrame.width = 1 ; 146 if ( !height ) this._IFrame.height = 1 ; 147 148 // This is weird... but with Firefox, we must get the offsetWidth before 149 // setting the _IFrame size (which returns "0"), and then after that, 150 // to return the correct width. Remove the first step and it will not 151 // work when the editor is in RTL. 152 iMainWidth = this.MainNode.offsetWidth ; 153 154 var oPos = FCKTools.GetElementPosition( ( relElement.nodeType == 9 ? relElement.body : relElement), this._Window ) ; 155 156 if ( this.IsRTL && !this.IsContextMenu ) 157 x = ( x * -1 ) ; 158 159 x += oPos.X ; 160 y += oPos.Y ; 161 162 if ( this.IsRTL ) 163 { 164 if ( this.IsContextMenu ) 165 x = x - iMainWidth + 1 ; 166 else if ( relElement ) 167 x = x + relElement.offsetWidth - iMainWidth ; 168 } 169 else 170 { 171 var oViewPaneSize = FCKTools.GetViewPaneSize( this._Window ) ; 172 var oScrollPosition = FCKTools.GetScrollPosition( this._Window ) ; 173 174 var iViewPaneHeight = oViewPaneSize.Height + oScrollPosition.Y ; 175 var iViewPaneWidth = oViewPaneSize.Width + oScrollPosition.X ; 176 177 if ( ( x + iMainWidth ) > iViewPaneWidth ) 178 x -= x + iMainWidth - iViewPaneWidth ; 179 180 if ( ( y + this.MainNode.offsetHeight ) > iViewPaneHeight ) 181 y -= y + this.MainNode.offsetHeight - iViewPaneHeight ; 182 } 183 184 if ( x < 0 ) 185 x = 0 ; 186 187 // Set the context menu DIV in the specified location. 188 this._IFrame.style.left = x + 'px' ; 189 this._IFrame.style.top = y + 'px' ; 190 191 var iWidth = iMainWidth ; 192 var iHeight = this.MainNode.offsetHeight ; 193 194 this._IFrame.width = iWidth ; 195 this._IFrame.height = iHeight ; 196 197 // Move the focus to the IFRAME so we catch the "onblur". 198 this._IFrame.contentWindow.focus() ; 199 } 200 201 this._IsOpened = true ; 202 203 FCKTools.RunFunction( this.OnShow, this ) ; 204 } 205 206 FCKPanel.prototype.Hide = function( ignoreOnHide ) 207 { 208 if ( this._Popup ) 209 this._Popup.hide() ; 210 else 211 { 212 if ( !this._IsOpened ) 213 return ; 214 215 // Enable the editor to fire the "OnBlur". 216 FCKFocusManager.Unlock() ; 217 218 // It is better to set the sizes to 0, otherwise Firefox would have 219 // rendering problems. 220 this._IFrame.width = this._IFrame.height = 0 ; 221 222 this._IsOpened = false ; 223 224 if ( this.ParentPanel ) 225 this.ParentPanel.Unlock() ; 226 227 if ( !ignoreOnHide ) 228 FCKTools.RunFunction( this.OnHide, this ) ; 229 } 230 } 231 232 FCKPanel.prototype.CheckIsOpened = function() 233 { 234 if ( this._Popup ) 235 return this._Popup.isOpen ; 236 else 237 return this._IsOpened ; 238 } 239 240 FCKPanel.prototype.CreateChildPanel = function() 241 { 242 var oWindow = this._Popup ? FCKTools.GetParentWindow( this.Document ) : this._Window ; 243 244 var oChildPanel = new FCKPanel( oWindow, true ) ; 245 oChildPanel.ParentPanel = this ; 246 247 return oChildPanel ; 248 } 249 250 FCKPanel.prototype.Lock = function() 251 { 252 this._LockCounter++ ; 253 } 254 255 FCKPanel.prototype.Unlock = function() 256 { 257 if ( --this._LockCounter == 0 && !this.HasFocus ) 258 this.Hide() ; 259 } 260 261 /* Events */ 262 263 function FCKPanel_Window_OnFocus( e, panel ) 264 { 265 panel.HasFocus = true ; 266 } 267 268 function FCKPanel_Window_OnBlur( e, panel ) 269 { 270 panel.HasFocus = false ; 271 272 if ( panel._LockCounter == 0 ) 273 FCKTools.RunFunction( panel.Hide, panel ) ; 274 } 275 276 function CheckPopupOnHide( forceHide ) 277 { 278 if ( forceHide || !this._Popup.isOpen ) 279 { 280 window.clearInterval( this._Timer ) ; 281 this._Timer = null ; 282 283 FCKTools.RunFunction( this.OnHide, this ) ; 284 } 285 } 286 287 function FCKPanel_Cleanup() 288 { 289 this._Popup = null ; 290 this._Window = null ; 291 this.Document = null ; 292 this.MainNode = null ; 293 }
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Généré le : Wed Nov 21 12:27:40 2007 | par Balluche grâce à PHPXref 0.7 |
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