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