| New file |
|---|
| 0,0 → 1,220 |
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| if(!dojo._hasResource["dijit._editor.selection"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. |
| dojo._hasResource["dijit._editor.selection"] = true; |
| dojo.provide("dijit._editor.selection"); |
| |
| // FIXME: |
| // all of these methods branch internally for IE. This is probably |
| // sub-optimal in terms of runtime performance. We should investigate the |
| // size difference for differentiating at definition time. |
| |
| dojo.mixin(dijit._editor.selection, { |
| getType: function(){ |
| // summary: Get the selection type (like document.select.type in IE). |
| if(dojo.doc["selection"]){ //IE |
| return dojo.doc.selection.type.toLowerCase(); |
| }else{ |
| var stype = "text"; |
| |
| // Check if the actual selection is a CONTROL (IMG, TABLE, HR, etc...). |
| var oSel; |
| try{ |
| oSel = dojo.global.getSelection(); |
| }catch(e){ /*squelch*/ } |
| |
| if(oSel && oSel.rangeCount==1){ |
| var oRange = oSel.getRangeAt(0); |
| if( (oRange.startContainer == oRange.endContainer) && |
| ((oRange.endOffset - oRange.startOffset) == 1) && |
| (oRange.startContainer.nodeType != 3 /* text node*/) |
| ){ |
| stype = "control"; |
| } |
| } |
| return stype; |
| } |
| }, |
| |
| getSelectedText: function(){ |
| // summary: |
| // Return the text (no html tags) included in the current selection or null if no text is selected |
| if(dojo.doc["selection"]){ //IE |
| if(dijit._editor.selection.getType() == 'control'){ |
| return null; |
| } |
| return dojo.doc.selection.createRange().text; |
| }else{ |
| var selection = dojo.global.getSelection(); |
| if(selection){ |
| return selection.toString(); |
| } |
| } |
| }, |
| |
| getSelectedHtml: function(){ |
| // summary: |
| // Return the html of the current selection or null if unavailable |
| if(dojo.doc["selection"]){ //IE |
| if(dijit._editor.selection.getType() == 'control'){ |
| return null; |
| } |
| return dojo.doc.selection.createRange().htmlText; |
| }else{ |
| var selection = dojo.global.getSelection(); |
| if(selection && selection.rangeCount){ |
| var frag = selection.getRangeAt(0).cloneContents(); |
| var div = document.createElement("div"); |
| div.appendChild(frag); |
| return div.innerHTML; |
| } |
| return null; |
| } |
| }, |
| |
| getSelectedElement: function(){ |
| // summary: |
| // Retrieves the selected element (if any), just in the case that |
| // a single element (object like and image or a table) is |
| // selected. |
| if(this.getType() == "control"){ |
| if(dojo.doc["selection"]){ //IE |
| var range = dojo.doc.selection.createRange(); |
| if(range && range.item){ |
| return dojo.doc.selection.createRange().item(0); |
| } |
| }else{ |
| var selection = dojo.global.getSelection(); |
| return selection.anchorNode.childNodes[ selection.anchorOffset ]; |
| } |
| } |
| }, |
| |
| getParentElement: function(){ |
| // summary: |
| // Get the parent element of the current selection |
| if(this.getType() == "control"){ |
| var p = this.getSelectedElement(); |
| if(p){ return p.parentNode; } |
| }else{ |
| if(dojo.doc["selection"]){ //IE |
| return dojo.doc.selection.createRange().parentElement(); |
| }else{ |
| var selection = dojo.global.getSelection(); |
| if(selection){ |
| var node = selection.anchorNode; |
| |
| while(node && (node.nodeType != 1)){ // not an element |
| node = node.parentNode; |
| } |
| |
| return node; |
| } |
| } |
| } |
| }, |
| |
| hasAncestorElement: function(/*String*/tagName /* ... */){ |
| // summary: |
| // Check whether current selection has a parent element which is |
| // of type tagName (or one of the other specified tagName) |
| return (this.getAncestorElement.apply(this, arguments) != null); |
| }, |
| |
| getAncestorElement: function(/*String*/tagName /* ... */){ |
| // summary: |
| // Return the parent element of the current selection which is of |
| // type tagName (or one of the other specified tagName) |
| |
| var node = this.getSelectedElement() || this.getParentElement(); |
| return this.getParentOfType(node, arguments); |
| }, |
| |
| isTag: function(/*DomNode*/node, /*Array*/tags){ |
| if(node && node.tagName){ |
| var _nlc = node.tagName.toLowerCase(); |
| for(var i=0; i<tags.length; i++){ |
| var _tlc = String(tags[i]).toLowerCase(); |
| if(_nlc == _tlc){ |
| return _tlc; |
| } |
| } |
| } |
| return ""; |
| }, |
| |
| getParentOfType: function(/*DomNode*/node, /*Array*/tags){ |
| while(node){ |
| if(this.isTag(node, tags).length){ |
| return node; |
| } |
| node = node.parentNode; |
| } |
| return null; |
| }, |
| |
| remove: function(){ |
| // summary: delete current selection |
| var _s = dojo.doc.selection; |
| if(_s){ //IE |
| if(_s.type.toLowerCase() != "none"){ |
| _s.clear(); |
| } |
| return _s; |
| }else{ |
| _s = dojo.global.getSelection(); |
| _s.deleteFromDocument(); |
| return _s; |
| } |
| }, |
| |
| selectElementChildren: function(/*DomNode*/element,/*Boolean?*/nochangefocus){ |
| // summary: |
| // clear previous selection and select the content of the node |
| // (excluding the node itself) |
| var _window = dojo.global; |
| var _document = dojo.doc; |
| element = dojo.byId(element); |
| if(_document.selection && dojo.body().createTextRange){ // IE |
| var range = element.ownerDocument.body.createTextRange(); |
| range.moveToElementText(element); |
| if(!nochangefocus){ |
| range.select(); |
| } |
| }else if(_window["getSelection"]){ |
| var selection = _window.getSelection(); |
| if(selection["setBaseAndExtent"]){ // Safari |
| selection.setBaseAndExtent(element, 0, element, element.innerText.length - 1); |
| }else if(selection["selectAllChildren"]){ // Mozilla |
| selection.selectAllChildren(element); |
| } |
| } |
| }, |
| |
| selectElement: function(/*DomNode*/element,/*Boolean?*/nochangefocus){ |
| // summary: |
| // clear previous selection and select element (including all its children) |
| var _document = dojo.doc; |
| element = dojo.byId(element); |
| if(_document.selection && dojo.body().createTextRange){ // IE |
| try{ |
| var range = dojo.body().createControlRange(); |
| range.addElement(element); |
| if(!nochangefocus){ |
| range.select(); |
| } |
| }catch(e){ |
| this.selectElementChildren(element,nochangefocus); |
| } |
| }else if(dojo.global["getSelection"]){ |
| var selection = dojo.global.getSelection(); |
| // FIXME: does this work on Safari? |
| if(selection["removeAllRanges"]){ // Mozilla |
| var range = _document.createRange() ; |
| range.selectNode(element) ; |
| selection.removeAllRanges() ; |
| selection.addRange(range) ; |
| } |
| } |
| } |
| }); |
| |
| } |