2150 |
mathias |
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if(!dojo._hasResource["dojox.data.dom"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.data.dom"] = true;
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dojo.provide("dojox.data.dom");
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//DOM type to int value for reference.
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//Ints make for more compact code than full constant names.
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//ELEMENT_NODE = 1;
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//ATTRIBUTE_NODE = 2;
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//TEXT_NODE = 3;
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//CDATA_SECTION_NODE = 4;
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//ENTITY_REFERENCE_NODE = 5;
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//ENTITY_NODE = 6;
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//PROCESSING_INSTRUCTION_NODE = 7;
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//COMMENT_NODE = 8;
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//DOCUMENT_NODE = 9;
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//DOCUMENT_TYPE_NODE = 10;
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//DOCUMENT_FRAGMENT_NODE = 11;
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//NOTATION_NODE = 12;
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//FIXME: Remove this file when possible.
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//This file contains internal/helper APIs as holders until the true DOM apis of Dojo 0.9 are finalized.
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//Therefore, these should not be generally used, they are present only for the use by XmlStore and the
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//wires project until proper dojo replacements are available. When such exist, XmlStore and the like
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//will be ported off these and this file will be deleted.
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dojo.experimental("dojox.data.dom");
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dojox.data.dom.createDocument = function(/*string?*/ str, /*string?*/ mimetype){
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// summary:
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// cross-browser implementation of creating an XML document object.
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//
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// str:
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// Optional text to create the document from. If not provided, an empty XML document will be created.
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// mimetype:
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// Optional mimetype of the text. Typically, this is text/xml. Will be defaulted to text/xml if not provided.
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var _document = dojo.doc;
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if(!mimetype){ mimetype = "text/xml"; }
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if(str && (typeof dojo.global["DOMParser"]) !== "undefined"){
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var parser = new DOMParser();
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return parser.parseFromString(str, mimetype); // DOMDocument
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}else if((typeof dojo.global["ActiveXObject"]) !== "undefined"){
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var prefixes = [ "MSXML2", "Microsoft", "MSXML", "MSXML3" ];
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for(var i = 0; i<prefixes.length; i++){
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try{
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var doc = new ActiveXObject(prefixes[i]+".XMLDOM");
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if(str){
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if(doc){
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doc.async = false;
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doc.loadXML(str);
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return doc; // DOMDocument
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}else{
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console.log("loadXML didn't work?");
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}
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}else{
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if(doc){
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return doc; //DOMDocument
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}
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}
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}catch(e){ /* squelch */ };
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}
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}else if((_document.implementation)&&
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(_document.implementation.createDocument)){
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if(str){
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if(_document.createElement){
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// FIXME: this may change all tags to uppercase!
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var tmp = _document.createElement("xml");
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tmp.innerHTML = str;
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var xmlDoc = _document.implementation.createDocument("foo", "", null);
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for(var i = 0; i < tmp.childNodes.length; i++) {
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xmlDoc.importNode(tmp.childNodes.item(i), true);
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}
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return xmlDoc; // DOMDocument
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}
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}else{
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return _document.implementation.createDocument("", "", null); // DOMDocument
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}
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}
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return null; // DOMDocument
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}
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dojox.data.dom.textContent = function(/*Node*/node, /*string?*/text){
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// summary:
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// Implementation of the DOM Level 3 attribute; scan node for text
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// description:
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// Implementation of the DOM Level 3 attribute; scan node for text
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// This function can also update the text of a node by replacing all child
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// content of the node.
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// node:
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// The node to get the text off of or set the text on.
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// text:
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// Optional argument of the text to apply to the node.
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if(arguments.length>1){
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var _document = node.ownerDocument || dojo.doc; //Preference is to get the node owning doc first or it may fail
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dojox.data.dom.replaceChildren(node, _document.createTextNode(text));
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return text; // string
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} else {
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if(node.textContent !== undefined){ //FF 1.5
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return node.textContent; // string
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}
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var _result = "";
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if(node == null){
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return _result; //empty string.
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}
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for(var i = 0; i < node.childNodes.length; i++){
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switch(node.childNodes[i].nodeType){
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case 1: // ELEMENT_NODE
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case 5: // ENTITY_REFERENCE_NODE
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_result += dojox.data.dom.textContent(node.childNodes[i]);
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break;
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case 3: // TEXT_NODE
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case 2: // ATTRIBUTE_NODE
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case 4: // CDATA_SECTION_NODE
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_result += node.childNodes[i].nodeValue;
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break;
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default:
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break;
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}
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}
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return _result; // string
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}
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}
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dojox.data.dom.replaceChildren = function(/*Element*/node, /*Node || array*/ newChildren){
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// summary:
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// Removes all children of node and appends newChild. All the existing
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// children will be destroyed.
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// description:
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// Removes all children of node and appends newChild. All the existing
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// children will be destroyed.
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// node:
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// The node to modify the children on
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// newChildren:
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// The children to add to the node. It can either be a single Node or an
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// array of Nodes.
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var nodes = [];
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if(dojo.isIE){
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for(var i=0;i<node.childNodes.length;i++){
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nodes.push(node.childNodes[i]);
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}
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}
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dojox.data.dom.removeChildren(node);
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for(var i=0;i<nodes.length;i++){
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dojo._destroyElement(nodes[i]);
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}
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if(!dojo.isArray(newChildren)){
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node.appendChild(newChildren);
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}else{
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for(var i=0;i<newChildren.length;i++){
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node.appendChild(newChildren[i]);
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}
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}
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}
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dojox.data.dom.removeChildren = function(/*Element*/node){
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// summary:
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// removes all children from node and returns the count of children removed.
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// The children nodes are not destroyed. Be sure to call dojo._destroyElement on them
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// after they are not used anymore.
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// node:
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// The node to remove all the children from.
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var count = node.childNodes.length;
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while(node.hasChildNodes()){
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node.removeChild(node.firstChild);
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}
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return count; // int
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}
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dojox.data.dom.innerXML = function(/*Node*/node){
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// summary:
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// Implementation of MS's innerXML function.
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// node:
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// The node from which to generate the XML text representation.
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if(node.innerXML){
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return node.innerXML; // string
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}else if (node.xml){
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return node.xml; // string
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}else if(typeof XMLSerializer != "undefined"){
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return (new XMLSerializer()).serializeToString(node); // string
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}
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}
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}
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