[Sommaire] [Imprimer]

   1  /*
   2      DynAPI Distribution
   3      DynDocument Class
   4  
   5      The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
   6      
   7      requires: dynapi.api.DynElement
   8  */
   9  
  10  function DynDocument(frame) {
  11      this.DynElement = DynElement;
  12      this.DynElement();
  13      this.frame = frame;
  14      this.doc = this.frame.document;
  15      this._dyndoc = this;
  16      this.x = 0;
  17      this.y = 0;
  18      this.w = 0;
  19      this.h = 0;
  20      this._topZIndex = 10000;
  21      var o = this;
  22      this.frame.onresize = function() {o._handleResize()};
  23      this.onResizeNS4 = "reload"; // or "redraw"
  24      this._created = false;
  25  };
  26  var p = dynapi.setPrototype('DynDocument','DynElement');
  27  p._remove = function() {
  28      this.elm=null;
  29      this.doc=null;
  30      this.frame=null;
  31  };
  32  p.getBgColor = function() {
  33      return this.bgColor;
  34  };
  35  p.getX = p.getY = p.getPageX = p.getPageY = dynapi.functions.Zero;
  36  p.getWidth = function() {
  37      if (!this.w) this.findDimensions();
  38      return this.w;
  39  };
  40  p.getHeight = function() {
  41      if (!this.h) this.findDimensions();
  42      return this.h;
  43  };
  44  p.getXScroll = function ()
  45  {
  46      return (dynapi.ua.ns)? this.frame.pageXOffset : this.elm.scrollLeft;
  47  }
  48  p.getYScroll = function ()
  49  {
  50      return (dynapi.ua.ns)? this.frame.pageYOffset : this.elm.scrollTop;
  51  }
  52  p.findDimensions = function() {
  53      this.w=(dynapi.ua.ns||dynapi.ua.opera)? this.frame.innerWidth : (dynapi.ua.ie6) ? 
  54          this.doc.documentElement.clientWidth : this.elm.clientWidth;
  55      this.h=(dynapi.ua.ns||dynapi.ua.opera)? this.frame.innerHeight : (dynapi.ua.ie6) ? 
  56          this.doc.documentElement.clientHeight : this.elm.clientHeight;
  57  };
  58  p.setBgColor = function(color) {
  59      if (color == null) color='';
  60      if (dynapi.ua.ns4 && color == '') color = '#ffffff';
  61      this.bgColor = color;
  62      this.doc.bgColor = color;
  63  };
  64  p.setFgColor = function(color) {
  65      if (color == null) color='';
  66      if (dynapi.ua.ns4 && color == '') color='#ffffff';
  67      this.fgColor = color;
  68      this.doc.fgColor = color;
  69  };
  70  p.insertChild = function(c,pos,usebp) { // Blueprint Enabled
  71      if (c && !c.isInline && c.parent == this) {
  72          if(pos) c.setPosition(pos);
  73          DynElement._flagPreCreate(c);
  74          if(usebp)
  75              c.isInline=c._noInlineValues=true;
  76          else {
  77              this.doc.write(c.getOuterHTML());
  78              c._inserted = true;
  79          }
  80      }
  81  };
  82  p.insertAllChildren = function(usebp,bpSrc) { // Blueprint Enabled
  83      var i,c,str =[''];
  84      var ch=this.children;
  85      for(i=0;i<ch.length;i++) {
  86          c = ch[i];
  87          if(!c.isInline && !c._inserted){
  88              DynElement._flagPreCreate(c);
  89              if(usebp) 
  90                  c.isInline=c._noInlineValues=true;
  91              else {
  92                  str[i]=c.getOuterHTML();
  93                  c._inserted = true;
  94              }
  95          }
  96      }
  97      if(this._hBuffer.length) this.doc.write(this._hBuffer.join('')); // used by addHTML()
  98      if(usebp){
  99          if(bpSrc) dynapi.frame.document.write('<script type="text/javascript" language="JavaScript" src="'+bpSrc+'"><\/script>');    
 100      }
 101      else {
 102          this.doc.write(str.join('\n'));
 103          this.doc.close();
 104      }
 105  };
 106  
 107  p._create = function() {
 108      var ua=dynapi.ua;
 109      this._created = true;
 110      if (ua.ns4) {
 111          this.css = this.doc;
 112          this.elm = this.doc;
 113      }
 114      else {
 115          this.elm = this.frame.document.body;
 116          this.css = this.frame.document.body.style;
 117          if (ua.ie) {
 118              this._overflow = this.css.overflow || '';
 119          }
 120          if (this._cursor) this.css.cursor = this._cursor;
 121      }
 122      this.elm._dynobj = this;
 123      this.doc._dynobj = this; // DynKeyEvent needs this!
 124      this.findDimensions();
 125  
 126      this.fgColor = this.doc.fgColor||'';
 127      this.bgColor = this.doc.bgColor||'';
 128  
 129      var divs;
 130      // create divs object - speeds up DOM browsers on Win32. Linux & Mac?
 131      if (ua.ie||ua.dom) {
 132          divs={};
 133          var dv,all=(ua.ie||ua.opera)? document.all.tags('div') : document.getElementsByTagName('div');
 134          var i=0,l=all.length; // very important!
 135          while (i<l){
 136              dv=all[i];
 137              divs[dv.id]=dv;
 138              i++;
 139          }
 140      }
 141      
 142      var c,ch=this.children;
 143      for(i=0;i<ch.length;i++){
 144          c=ch[i];
 145          if (c._inserted) c._createInserted(divs);
 146          else if(c.isInline) c._createInline(divs);
 147          else c._create();
 148      };
 149      this._updateAnchors();    
 150  
 151      if(ua.ie && this._textSelectable==false) this.doc.onselectstart = dynapi.functions.Deny;
 152      
 153      if (this.captureMouseEvents) this.captureMouseEvents();
 154      if (this.captureKeyEvents) this.captureKeyEvents();
 155      this.invokeEvent('load');
 156  };
 157  p.destroyAllChildren = function() {
 158      for (var i=0;i<this.children.length;i++) {
 159          this.children[i]._destroy();
 160          delete this.children[i];
 161      }
 162      this.children = [];
 163  };
 164  p._destroy = function() {
 165      this.destroyAllChildren();
 166      delete DynObject.all;
 167      this.elm = null;
 168      this.css = null;
 169      this.frame = null;
 170  };
 171  
 172  p._handleResize = function() {
 173      var w = this.w;
 174      var h = this.h;
 175      this.findDimensions();
 176      if (this.w!=w || this.h!=h) {
 177          if (dynapi.ua.ns4) {
 178              if (this.onResizeNS4=="redraw") {
 179                  for (var i=0;i<this.children.length;i++) {
 180                      this.children[i].elm = null;
 181                      if (this.children[i]._created) {
 182                          this.children[i]._created = false;
 183                          this.children[i]._create();
 184                      }
 185                  }
 186                  this.invokeEvent('resize');
 187              }
 188              else if (this.onResizeNS4=="reload") {
 189                  this.doc.location.href = this.doc.location.href;
 190              }
 191          }
 192          else {
 193              this.invokeEvent('resize');
 194              this._updateAnchors();
 195          }
 196      }
 197  };
 198  p.getCursor = function() {return (this._cursor=='pointer')? 'hand':this._cursor};
 199  p.setCursor = function(c) {
 200      if (!c) c = 'default';
 201      else c=(c+'').toLowerCase();
 202      if (!dynapi.ua.ie && c=='hand') c='pointer';
 203      if (this._cursor!=c) {
 204          this._cursor = c;
 205          if (this.css) this.css.cursor = c;
 206      }
 207  };
 208  p.setTextSelectable = function(b){
 209      this._textSelectable = b;    
 210      if(!dynapi.ua.ie) this.captureMouseEvents();
 211      else{
 212          if (this.doc) this.doc.onselectstart = b? dynapi.functions.Allow : dynapi.functions.Deny;
 213      }
 214      if (!b) this.setCursor('default');
 215  };
 216  p.showScrollBars = function(b){
 217      if(b==this._showScroll) return;
 218      else this._showScroll=b;
 219      if(dynapi.ua.ie){
 220          window.setTimeout('document.body.scroll="'+((b)? 'yes':'no')+'"',100);
 221      }else if(dynapi.ua.ns||dynapi.ua.opera){
 222          if(b){
 223              this._docSize=[document.width,document.height];
 224              document.width = this.frame.innerWidth;
 225              document.height = this.frame.innerHeight;
 226          }else if(this._docSize){
 227              document.width = this._docSize[0];
 228              document.height = this._docSize[1];
 229          }
 230      }
 231  };
 232  p.writeStyle = function(s){
 233      // note: don't ever add \n to the end of the following strings or ns4 will choke!
 234      if(!s) return;
 235      var css ='<style><!-- ';
 236      for(var i in s)    css +='.'+i+' {'+s[i]+';} ';
 237      css += ' --></style>';
 238      document.write(css);
 239  };
 240  
 241  p._hBuffer = [];
 242  p.addHTML = function(html){
 243      var elm,ua = dynapi.ua;
 244      var hbuf=this._hBuffer;
 245      var cnt=(this._hblc)? this._hblc++:(this._hblc=1);
 246      if (ua.ns4) {
 247          html='<nobr>'+html+'<nobr>';
 248          if(!this._created) hbuf[cnt]=html;
 249          else {
 250              elm=new Layer(0,this.frame);
 251              elm.left=elm.top=0;
 252              var doc=elm.document;
 253              elm.clip.width=dynapi.document.w;
 254              elm.clip.height=dynapi.document.h;
 255              doc.open();doc.write(html);doc.close();
 256              elm.visibility = 'inherit';
 257          }
 258      }
 259      else {
 260          var pelm=this.elm;
 261          if(!this._created) hbuf[cnt]=html;
 262          else {
 263              if(ua.ie){
 264                  pelm.insertAdjacentHTML("beforeEnd",html);
 265                  elm = pelm.children[pelm.children.length-1];                
 266              }
 267              else{
 268                  var r = pelm.ownerDocument.createRange();
 269                  r.setStartBefore(pelm);
 270                  var ptxt = r.createContextualFragment(html);
 271                  pelm.appendChild(ptxt);
 272                  elm = pelm.lastChild;                
 273              }
 274          }
 275      }
 276  };
 277  
 278  function main() {
 279      if (dynapi.document==null) {
 280          dynapi.document = new DynDocument(dynapi.frame);
 281          if (dynapi.loaded) dynapi.document._create();
 282          else dynapi.onLoad(function() {
 283              dynapi.document._create();
 284          });
 285      }
 286  };
 287  if (!dynapi.loaded) main();
 288