lib/dijit/_editor/selection.js

   1 /*
   2         Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dijit._editor.selection"]){
   9 dojo._hasResource["dijit._editor.selection"]=true;
  10 dojo.provide("dijit._editor.selection");
  11 dojo.mixin(dijit._editor.selection,{getType:function(){
  12 if(dojo.isIE){
  13 return dojo.doc.selection.type.toLowerCase();
  14 }else{
  15 var _1="text";
  16 var _2;
  17 try{
  18 _2=dojo.global.getSelection();
  19 }
  20 catch(e){
  21 }
  22 if(_2&&_2.rangeCount==1){
  23 var _3=_2.getRangeAt(0);
  24 if((_3.startContainer==_3.endContainer)&&((_3.endOffset-_3.startOffset)==1)&&(_3.startContainer.nodeType!=3)){
  25 _1="control";
  26 }
  27 }
  28 return _1;
  29 }
  30 },getSelectedText:function(){
  31 if(dojo.isIE){
  32 if(dijit._editor.selection.getType()=="control"){
  33 return null;
  34 }
  35 return dojo.doc.selection.createRange().text;
  36 }else{
  37 var _4=dojo.global.getSelection();
  38 if(_4){
  39 return _4.toString();
  40 }
  41 }
  42 return "";
  43 },getSelectedHtml:function(){
  44 if(dojo.isIE){
  45 if(dijit._editor.selection.getType()=="control"){
  46 return null;
  47 }
  48 return dojo.doc.selection.createRange().htmlText;
  49 }else{
  50 var _5=dojo.global.getSelection();
  51 if(_5&&_5.rangeCount){
  52 var i;
  53 var _6="";
  54 for(i=0;i<_5.rangeCount;i++){
  55 var _7=_5.getRangeAt(i).cloneContents();
  56 var _8=dojo.doc.createElement("div");
  57 _8.appendChild(_7);
  58 _6+=_8.innerHTML;
  59 }
  60 return _6;
  61 }
  62 return null;
  63 }
  64 },getSelectedElement:function(){
  65 if(dijit._editor.selection.getType()=="control"){
  66 if(dojo.isIE){
  67 var _9=dojo.doc.selection.createRange();
  68 if(_9&&_9.item){
  69 return dojo.doc.selection.createRange().item(0);
  70 }
  71 }else{
  72 var _a=dojo.global.getSelection();
  73 return _a.anchorNode.childNodes[_a.anchorOffset];
  74 }
  75 }
  76 return null;
  77 },getParentElement:function(){
  78 if(dijit._editor.selection.getType()=="control"){
  79 var p=this.getSelectedElement();
  80 if(p){
  81 return p.parentNode;
  82 }
  83 }else{
  84 if(dojo.isIE){
  85 var r=dojo.doc.selection.createRange();
  86 r.collapse(true);
  87 return r.parentElement();
  88 }else{
  89 var _b=dojo.global.getSelection();
  90 if(_b){
  91 var _c=_b.anchorNode;
  92 while(_c&&(_c.nodeType!=1)){
  93 _c=_c.parentNode;
  94 }
  95 return _c;
  96 }
  97 }
  98 }
  99 return null;
 100 },hasAncestorElement:function(_d){
 101 return this.getAncestorElement.apply(this,arguments)!=null;
 102 },getAncestorElement:function(_e){
 103 var _f=this.getSelectedElement()||this.getParentElement();
 104 return this.getParentOfType(_f,arguments);
 105 },isTag:function(_10,_11){
 106 if(_10&&_10.tagName){
 107 var _12=_10.tagName.toLowerCase();
 108 for(var i=0;i<_11.length;i++){
 109 var _13=String(_11[i]).toLowerCase();
 110 if(_12==_13){
 111 return _13;
 112 }
 113 }
 114 }
 115 return "";
 116 },getParentOfType:function(_14,_15){
 117 while(_14){
 118 if(this.isTag(_14,_15).length){
 119 return _14;
 120 }
 121 _14=_14.parentNode;
 122 }
 123 return null;
 124 },collapse:function(_16){
 125 if(window.getSelection){
 126 var _17=dojo.global.getSelection();
 127 if(_17.removeAllRanges){
 128 if(_16){
 129 _17.collapseToStart();
 130 }else{
 131 _17.collapseToEnd();
 132 }
 133 }else{
 134 _17.collapse(_16);
 135 }
 136 }else{
 137 if(dojo.isIE){
 138 var _18=dojo.doc.selection.createRange();
 139 _18.collapse(_16);
 140 _18.select();
 141 }
 142 }
 143 },remove:function(){
 144 var sel=dojo.doc.selection;
 145 if(dojo.isIE){
 146 if(sel.type.toLowerCase()!="none"){
 147 sel.clear();
 148 }
 149 return sel;
 150 }else{
 151 sel=dojo.global.getSelection();
 152 sel.deleteFromDocument();
 153 return sel;
 154 }
 155 },selectElementChildren:function(_19,_1a){
 156 var win=dojo.global;
 157 var doc=dojo.doc;
 158 var _1b;
 159 _19=dojo.byId(_19);
 160 if(doc.selection&&dojo.isIE&&dojo.body().createTextRange){
 161 _1b=_19.ownerDocument.body.createTextRange();
 162 _1b.moveToElementText(_19);
 163 if(!_1a){
 164 try{
 165 _1b.select();
 166 }
 167 catch(e){
 168 }
 169 }
 170 }else{
 171 if(win.getSelection){
 172 var _1c=dojo.global.getSelection();
 173 if(dojo.isOpera){
 174 if(_1c.rangeCount){
 175 _1b=_1c.getRangeAt(0);
 176 }else{
 177 _1b=doc.createRange();
 178 }
 179 _1b.setStart(_19,0);
 180 _1b.setEnd(_19,(_19.nodeType==3)?_19.length:_19.childNodes.length);
 181 _1c.addRange(_1b);
 182 }else{
 183 _1c.selectAllChildren(_19);
 184 }
 185 }
 186 }
 187 },selectElement:function(_1d,_1e){
 188 var _1f;
 189 var doc=dojo.doc;
 190 var win=dojo.global;
 191 _1d=dojo.byId(_1d);
 192 if(dojo.isIE&&dojo.body().createTextRange){
 193 try{
 194 _1f=dojo.body().createControlRange();
 195 _1f.addElement(_1d);
 196 if(!_1e){
 197 _1f.select();
 198 }
 199 }
 200 catch(e){
 201 this.selectElementChildren(_1d,_1e);
 202 }
 203 }else{
 204 if(dojo.global.getSelection){
 205 var _20=win.getSelection();
 206 _1f=doc.createRange();
 207 if(_20.removeAllRanges){
 208 if(dojo.isOpera){
 209 if(_20.getRangeAt(0)){
 210 _1f=_20.getRangeAt(0);
 211 }
 212 }
 213 _1f.selectNode(_1d);
 214 _20.removeAllRanges();
 215 _20.addRange(_1f);
 216 }
 217 }
 218 }
 219 },inSelection:function(_21){
 220 if(_21){
 221 var _22;
 222 var doc=dojo.doc;
 223 var _23;
 224 if(dojo.global.getSelection){
 225 var sel=dojo.global.getSelection();
 226 if(sel&&sel.rangeCount>0){
 227 _23=sel.getRangeAt(0);
 228 }
 229 if(_23&&_23.compareBoundaryPoints&&doc.createRange){
 230 try{
 231 _22=doc.createRange();
 232 _22.setStart(_21,0);
 233 if(_23.compareBoundaryPoints(_23.START_TO_END,_22)===1){
 234 return true;
 235 }
 236 }
 237 catch(e){
 238 }
 239 }
 240 }else{
 241 if(doc.selection){
 242 _23=doc.selection.createRange();
 243 try{
 244 _22=_21.ownerDocument.body.createControlRange();
 245 if(_22){
 246 _22.addElement(_21);
 247 }
 248 }
 249 catch(e1){
 250 try{
 251 _22=_21.ownerDocument.body.createTextRange();
 252 _22.moveToElementText(_21);
 253 }
 254 catch(e2){
 255 }
 256 }
 257 if(_23&&_22){
 258 if(_23.compareEndPoints("EndToStart",_22)===1){
 259 return true;
 260 }
 261 }
 262 }
 263 }
 264 }
 265 return false;
 266 }});
 267 }