1032 lines
28 KiB
JavaScript
1032 lines
28 KiB
JavaScript
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dojo.provide("dojox.dtl.dom");
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dojo.require("dojox.dtl._base");
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dojo.require("dojox.dtl.Context");
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(function(){
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var dd = dojox.dtl;
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dd.BOOLS = {checked: 1, disabled: 1, readonly: 1};
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dd.TOKEN_CHANGE = -11;
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dd.TOKEN_ATTR = -12;
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dd.TOKEN_CUSTOM = -13;
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dd.TOKEN_NODE = 1;
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var ddt = dd.text;
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var ddh = dd.dom = {
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_attributes: {},
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_uppers: {},
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_re4: /^function anonymous\(\)\s*{\s*(.*)\s*}$/,
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_reTrim: /(?:^[\n\s]*(\{%)?\s*|\s*(%\})?[\n\s]*$)/g,
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_reSplit: /\s*%\}[\n\s]*\{%\s*/g,
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getTemplate: function(text){
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if(typeof this._commentable == "undefined"){
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// Check to see if the browser can handle comments
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this._commentable = false;
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var div = document.createElement("div");
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div.innerHTML = "<!--Test comment handling, and long comments, using comments whenever possible.-->";
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if(div.childNodes.length && div.childNodes[0].nodeType == 8 && div.childNodes[0].data == "comment"){
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this._commentable = true;
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}
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}
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if(!this._commentable){
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// Strip comments
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text = text.replace(/<!--({({|%).*?(%|})})-->/g, "$1");
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}
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if(dojo.isIE){
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text = text.replace(/\b(checked|disabled|readonly|style)="/g, 't$1="');
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}
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text = text.replace(/\bstyle="/g, 'tstyle="');
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var match;
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var table = dojo.isWebKit;
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var pairs = [ // Format: [enable, parent, allowed children (first for nesting), nestings]
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[true, "select", "option"],
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[table, "tr", "td|th"],
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[table, "thead", "tr", "th"],
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[table, "tbody", "tr", "td"],
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[table, "table", "tbody|thead|tr", "tr", "td"]
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];
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var replacements = [];
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// Some tags can't contain text. So we wrap the text in tags that they can have.
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for(var i = 0, pair; pair = pairs[i]; i++){
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if(!pair[0]){
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continue;
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}
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if(text.indexOf("<" + pair[1]) != -1){
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var selectRe = new RegExp("<" + pair[1] + "(?:.|\n)*?>((?:.|\n)+?)</" + pair[1] + ">", "ig");
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tagLoop: while(match = selectRe.exec(text)){
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// Do it like this to make sure we don't double-wrap
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var inners = pair[2].split("|");
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var innerRe = [];
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for(var j = 0, inner; inner = inners[j]; j++){
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innerRe.push("<" + inner + "(?:.|\n)*?>(?:.|\n)*?</" + inner + ">");
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}
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var tags = [];
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var tokens = dojox.string.tokenize(match[1], new RegExp("(" + innerRe.join("|") + ")", "ig"), function(data){
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var tag = /<(\w+)/.exec(data)[1];
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if(!tags[tag]){
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tags[tag] = true;
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tags.push(tag);
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}
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return {data: data};
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});
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if(tags.length){
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var tag = (tags.length == 1) ? tags[0] : pair[2].split("|")[0];
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var replace = [];
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for(var j = 0, jl = tokens.length; j < jl; j++) {
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var token = tokens[j];
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if(dojo.isObject(token)){
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replace.push(token.data);
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}else{
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var stripped = token.replace(this._reTrim, "");
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if(!stripped){ continue; }
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token = stripped.split(this._reSplit);
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for(var k = 0, kl = token.length; k < kl; k++){
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var replacement = "";
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for(var p = 2, pl = pair.length; p < pl; p++){
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if(p == 2){
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replacement += "<" + tag + ' dtlinstruction="{% ' + token[k].replace('"', '\\"') + ' %}">';
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}else if(tag == pair[p]) {
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continue;
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}else{
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replacement += "<" + pair[p] + ">";
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}
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}
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replacement += "DTL";
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for(var p = pair.length - 1; p > 1; p--){
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if(p == 2){
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replacement += "</" + tag + ">";
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}else if(tag == pair[p]) {
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continue;
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}else{
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replacement += "</" + pair[p] + ">";
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}
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}
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replace.push("\xFF" + replacements.length);
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replacements.push(replacement);
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}
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}
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}
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text = text.replace(match[1], replace.join(""));
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}
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}
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}
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}
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for(var i=replacements.length; i--;){
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text = text.replace("\xFF" + i, replacements[i]);
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}
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var re = /\b([a-zA-Z_:][a-zA-Z0-9_\-\.:]*)=['"]/g;
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while(match = re.exec(text)){
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var lower = match[1].toLowerCase();
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if(lower == "dtlinstruction"){ continue; }
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if(lower != match[1]){
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this._uppers[lower] = match[1];
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}
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this._attributes[lower] = true;
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}
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var div = document.createElement("div");
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div.innerHTML = text;
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var output = {nodes: []};
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while(div.childNodes.length){
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output.nodes.push(div.removeChild(div.childNodes[0]))
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}
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return output;
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},
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tokenize: function(/*Node*/ nodes){
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var tokens = [];
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for(var i = 0, node; node = nodes[i++];){
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if(node.nodeType != 1){
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this.__tokenize(node, tokens);
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}else{
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this._tokenize(node, tokens);
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}
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}
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return tokens;
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},
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_swallowed: [],
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_tokenize: function(/*Node*/ node, /*Array*/ tokens){
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var first = false;
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var swallowed = this._swallowed;
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var i, j, tag, child;
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if(!tokens.first){
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// Try to efficiently associate tags that use an attribute to
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// remove the node from DOM (eg dojoType) so that we can efficiently
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// locate them later in the tokenizing.
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first = tokens.first = true;
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var tags = dd.register.getAttributeTags();
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for(i = 0; tag = tags[i]; i++){
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try{
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(tag[2])({ swallowNode: function(){ throw 1; }}, new dd.Token(dd.TOKEN_ATTR, ""));
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}catch(e){
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swallowed.push(tag);
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}
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}
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}
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for(i = 0; tag = swallowed[i]; i++){
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var text = node.getAttribute(tag[0]);
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if(text){
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var swallowed = false;
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var custom = (tag[2])({ swallowNode: function(){ swallowed = true; return node; }}, new dd.Token(dd.TOKEN_ATTR, tag[0] + " " + text));
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if(swallowed){
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if(node.parentNode && node.parentNode.removeChild){
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node.parentNode.removeChild(node);
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}
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tokens.push([dd.TOKEN_CUSTOM, custom]);
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return;
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}
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}
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}
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var children = [];
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if(dojo.isIE && node.tagName == "SCRIPT"){
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children.push({
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nodeType: 3,
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data: node.text
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});
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node.text = "";
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}else{
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for(i = 0; child = node.childNodes[i]; i++){
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children.push(child);
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}
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}
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tokens.push([dd.TOKEN_NODE, node]);
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var change = false;
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if(children.length){
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// Only do a change request if we need to
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tokens.push([dd.TOKEN_CHANGE, node]);
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change = true;
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}
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for(var key in this._attributes){
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var clear = false;
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var value = "";
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if(key == "class"){
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value = node.className || value;
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}else if(key == "for"){
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value = node.htmlFor || value;
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}else if(key == "value" && node.value == node.innerHTML){
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// Sometimes .value is set the same as the contents of the item (button)
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continue;
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}else if(node.getAttribute){
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value = node.getAttribute(key, 2) || value;
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if(key == "href" || key == "src"){
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if(dojo.isIE){
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var hash = location.href.lastIndexOf(location.hash);
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var href = location.href.substring(0, hash).split("/");
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href.pop();
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href = href.join("/") + "/";
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if(value.indexOf(href) == 0){
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value = value.replace(href, "");
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}
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value = decodeURIComponent(value);
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}
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}else if(key == "tstyle"){
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clear = key; // Placeholder because we can't use style
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key = "style";
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}else if(dd.BOOLS[key.slice(1)] && dojo.trim(value)){
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key = key.slice(1);
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}else if(this._uppers[key] && dojo.trim(value)){
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clear = this._uppers[key]; // Replaced by lowercase
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}
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}
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if(clear){
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// Clear out values that are different than will
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// be used in plugins
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node.setAttribute(clear, "");
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node.removeAttribute(clear);
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}
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if(typeof value == "function"){
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value = value.toString().replace(this._re4, "$1");
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}
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if(!change){
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// Only do a change request if we need to
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tokens.push([dd.TOKEN_CHANGE, node]);
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change = true;
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}
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// We'll have to resolve attributes during parsing (some ref plugins)
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tokens.push([dd.TOKEN_ATTR, node, key, value]);
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}
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for(i = 0, child; child = children[i]; i++){
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if(child.nodeType == 1){
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var instruction = child.getAttribute("dtlinstruction");
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if(instruction){
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child.parentNode.removeChild(child);
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child = {
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nodeType: 8,
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data: instruction
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};
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}
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}
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this.__tokenize(child, tokens);
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}
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if(!first && node.parentNode && node.parentNode.tagName){
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if(change){
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tokens.push([dd.TOKEN_CHANGE, node, true]);
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}
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tokens.push([dd.TOKEN_CHANGE, node.parentNode]);
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node.parentNode.removeChild(node);
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}else{
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// If this node is parentless, it's a base node, so we have to "up" change to itself
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// and note that it's a top-level to watch for errors
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tokens.push([dd.TOKEN_CHANGE, node, true, true]);
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}
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},
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__tokenize: function(child, tokens){
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var data = child.data;
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switch(child.nodeType){
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case 1:
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this._tokenize(child, tokens);
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return;
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case 3:
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if(data.match(/[^\s\n]/) && (data.indexOf("{{") != -1 || data.indexOf("{%") != -1)){
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var texts = ddt.tokenize(data);
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for(var j = 0, text; text = texts[j]; j++){
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if(typeof text == "string"){
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tokens.push([dd.TOKEN_TEXT, text]);
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}else{
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tokens.push(text);
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}
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}
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}else{
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tokens.push([child.nodeType, child]);
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}
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if(child.parentNode) child.parentNode.removeChild(child);
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return;
|
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case 8:
|
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if(data.indexOf("{%") == 0){
|
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var text = dojo.trim(data.slice(2, -2));
|
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if(text.substr(0, 5) == "load "){
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var parts = dojo.trim(text).split(/\s+/g);
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for(var i = 1, part; part = parts[i]; i++){
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dojo["require"](part);
|
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}
|
||
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}
|
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tokens.push([dd.TOKEN_BLOCK, text]);
|
||
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}
|
||
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if(data.indexOf("{{") == 0){
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tokens.push([dd.TOKEN_VAR, dojo.trim(data.slice(2, -2))]);
|
||
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}
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if(child.parentNode) child.parentNode.removeChild(child);
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return;
|
||
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}
|
||
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}
|
||
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};
|
||
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|
||
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dd.DomTemplate = dojo.extend(function(/*String|DOMNode|dojo._Url*/ obj){
|
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// summary: Use this object for DOM templating
|
||
|
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if(!obj.nodes){
|
||
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var node = dojo.byId(obj);
|
||
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if(node && node.nodeType == 1){
|
||
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dojo.forEach(["class", "src", "href", "name", "value"], function(item){
|
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ddh._attributes[item] = true;
|
||
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});
|
||
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obj = {
|
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nodes: [node]
|
||
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};
|
||
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}else{
|
||
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if(typeof obj == "object"){
|
||
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obj = ddt.getTemplateString(obj);
|
||
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}
|
||
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obj = ddh.getTemplate(obj);
|
||
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}
|
||
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}
|
||
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|
||
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var tokens = ddh.tokenize(obj.nodes);
|
||
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if(dd.tests){
|
||
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this.tokens = tokens.slice(0);
|
||
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}
|
||
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|
||
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var parser = new dd._DomParser(tokens);
|
||
|
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this.nodelist = parser.parse();
|
||
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},
|
||
|
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{
|
||
|
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_count: 0,
|
||
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_re: /\bdojo:([a-zA-Z0-9_]+)\b/g,
|
||
|
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setClass: function(str){
|
||
|
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this.getRootNode().className = str;
|
||
|
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},
|
||
|
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getRootNode: function(){
|
||
|
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return this.buffer.rootNode;
|
||
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|
},
|
||
|
|
getBuffer: function(){
|
||
|
|
return new dd.DomBuffer();
|
||
|
|
},
|
||
|
|
render: function(context, buffer){
|
||
|
|
buffer = this.buffer = buffer || this.getBuffer();
|
||
|
|
this.rootNode = null;
|
||
|
|
var output = this.nodelist.render(context || new dd.Context({}), buffer);
|
||
|
|
for(var i = 0, node; node = buffer._cache[i]; i++){
|
||
|
|
if(node._cache){
|
||
|
|
node._cache.length = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return output;
|
||
|
|
},
|
||
|
|
unrender: function(context, buffer){
|
||
|
|
return this.nodelist.unrender(context, buffer);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dd.DomBuffer = dojo.extend(function(/*Node*/ parent){
|
||
|
|
// summary: Allows the manipulation of DOM
|
||
|
|
// description:
|
||
|
|
// Use this to append a child, change the parent, or
|
||
|
|
// change the attribute of the current node.
|
||
|
|
this._parent = parent;
|
||
|
|
this._cache = [];
|
||
|
|
},
|
||
|
|
{
|
||
|
|
concat: function(/*DOMNode*/ node){
|
||
|
|
var parent = this._parent;
|
||
|
|
if(parent && node.parentNode && node.parentNode === parent && !parent._dirty){
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(node.nodeType == 1 && !this.rootNode){
|
||
|
|
this.rootNode = node || true;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!parent){
|
||
|
|
if(node.nodeType == 3 && dojo.trim(node.data)){
|
||
|
|
throw new Error("Text should not exist outside of the root node in template");
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
if(this._closed){
|
||
|
|
if(node.nodeType == 3 && !dojo.trim(node.data)){
|
||
|
|
return this;
|
||
|
|
}else{
|
||
|
|
throw new Error("Content should not exist outside of the root node in template");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(parent._dirty){
|
||
|
|
if(node._drawn && node.parentNode == parent){
|
||
|
|
var caches = parent._cache;
|
||
|
|
if(caches){
|
||
|
|
for(var i = 0, cache; cache = caches[i]; i++){
|
||
|
|
this.onAddNode && this.onAddNode(cache);
|
||
|
|
parent.insertBefore(cache, node);
|
||
|
|
this.onAddNodeComplete && this.onAddNodeComplete(cache);
|
||
|
|
}
|
||
|
|
caches.length = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
parent._dirty = false;
|
||
|
|
}
|
||
|
|
if(!parent._cache){
|
||
|
|
parent._cache = [];
|
||
|
|
this._cache.push(parent);
|
||
|
|
}
|
||
|
|
parent._dirty = true;
|
||
|
|
parent._cache.push(node);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
remove: function(obj){
|
||
|
|
if(typeof obj == "string"){
|
||
|
|
if(this._parent){
|
||
|
|
this._parent.removeAttribute(obj);
|
||
|
|
}
|
||
|
|
}else{
|
||
|
|
if(obj.nodeType == 1 && !this.getRootNode() && !this._removed){
|
||
|
|
this._removed = true;
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
if(obj.parentNode){
|
||
|
|
this.onRemoveNode && this.onRemoveNode(obj);
|
||
|
|
if(obj.parentNode){
|
||
|
|
obj.parentNode.removeChild(obj);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
setAttribute: function(key, value){
|
||
|
|
var old = dojo.attr(this._parent, key);
|
||
|
|
if(this.onChangeAttribute && old != value){
|
||
|
|
this.onChangeAttribute(this._parent, key, old, value);
|
||
|
|
}
|
||
|
|
if(key == "style"){
|
||
|
|
//console.log(value);
|
||
|
|
this._parent.style.cssText = value;
|
||
|
|
}else{
|
||
|
|
dojo.attr(this._parent, key, value);
|
||
|
|
//console.log(this._parent, key, value);
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
addEvent: function(context, type, fn, /*Array|Function*/ args){
|
||
|
|
if(!context.getThis()){ throw new Error("You must use Context.setObject(instance)"); }
|
||
|
|
this.onAddEvent && this.onAddEvent(this.getParent(), type, fn);
|
||
|
|
var resolved = fn;
|
||
|
|
if(dojo.isArray(args)){
|
||
|
|
resolved = function(e){
|
||
|
|
this[fn].apply(this, [e].concat(args));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dojo.connect(this.getParent(), type, context.getThis(), resolved);
|
||
|
|
},
|
||
|
|
setParent: function(node, /*Boolean?*/ up, /*Boolean?*/ root){
|
||
|
|
if(!this._parent) this._parent = this._first = node;
|
||
|
|
|
||
|
|
if(up && root && node === this._first){
|
||
|
|
this._closed = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(up){
|
||
|
|
var parent = this._parent;
|
||
|
|
var script = "";
|
||
|
|
var ie = dojo.isIE && parent.tagName == "SCRIPT";
|
||
|
|
if(ie){
|
||
|
|
parent.text = "";
|
||
|
|
}
|
||
|
|
if(parent._dirty){
|
||
|
|
var caches = parent._cache;
|
||
|
|
var select = (parent.tagName == "SELECT" && !parent.options.length);
|
||
|
|
for(var i = 0, cache; cache = caches[i]; i++){
|
||
|
|
if(cache !== parent){
|
||
|
|
this.onAddNode && this.onAddNode(cache);
|
||
|
|
if(ie){
|
||
|
|
script += cache.data;
|
||
|
|
}else{
|
||
|
|
parent.appendChild(cache);
|
||
|
|
if(select && cache.defaultSelected && i){
|
||
|
|
select = i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.onAddNodeComplete && this.onAddNodeComplete(cache);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(select){
|
||
|
|
parent.options.selectedIndex = (typeof select == "number") ? select : 0;
|
||
|
|
}
|
||
|
|
caches.length = 0;
|
||
|
|
parent._dirty = false;
|
||
|
|
}
|
||
|
|
if(ie){
|
||
|
|
parent.text = script;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
this._parent = node;
|
||
|
|
this.onSetParent && this.onSetParent(node, up, root);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
getParent: function(){
|
||
|
|
return this._parent;
|
||
|
|
},
|
||
|
|
getRootNode: function(){
|
||
|
|
return this.rootNode;
|
||
|
|
}
|
||
|
|
/*=====
|
||
|
|
,
|
||
|
|
onSetParent: function(node, up){
|
||
|
|
// summary: Stub called when setParent is used.
|
||
|
|
},
|
||
|
|
onAddNode: function(node){
|
||
|
|
// summary: Stub called before new nodes are added
|
||
|
|
},
|
||
|
|
onAddNodeComplete: function(node){
|
||
|
|
// summary: Stub called after new nodes are added
|
||
|
|
},
|
||
|
|
onRemoveNode: function(node){
|
||
|
|
// summary: Stub called when nodes are removed
|
||
|
|
},
|
||
|
|
onChangeAttribute: function(node, attribute, old, updated){
|
||
|
|
// summary: Stub called when an attribute is changed
|
||
|
|
},
|
||
|
|
onChangeData: function(node, old, updated){
|
||
|
|
// summary: Stub called when a data in a node is changed
|
||
|
|
},
|
||
|
|
onClone: function(from, to){
|
||
|
|
// summary: Stub called when a node is duplicated
|
||
|
|
// from: DOMNode
|
||
|
|
// to: DOMNode
|
||
|
|
},
|
||
|
|
onAddEvent: function(node, type, description){
|
||
|
|
// summary: Stub to call when you're adding an event
|
||
|
|
// node: DOMNode
|
||
|
|
// type: String
|
||
|
|
// description: String
|
||
|
|
}
|
||
|
|
=====*/
|
||
|
|
});
|
||
|
|
|
||
|
|
dd._DomNode = dojo.extend(function(node){
|
||
|
|
// summary: Places a node into DOM
|
||
|
|
this.contents = node;
|
||
|
|
},
|
||
|
|
{
|
||
|
|
render: function(context, buffer){
|
||
|
|
this._rendered = true;
|
||
|
|
return buffer.concat(this.contents);
|
||
|
|
},
|
||
|
|
unrender: function(context, buffer){
|
||
|
|
if(!this._rendered){
|
||
|
|
return buffer;
|
||
|
|
}
|
||
|
|
this._rendered = false;
|
||
|
|
return buffer.remove(this.contents);
|
||
|
|
},
|
||
|
|
clone: function(buffer){
|
||
|
|
return new this.constructor(this.contents);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dd._DomNodeList = dojo.extend(function(/*Node[]*/ nodes){
|
||
|
|
// summary: A list of any DOM-specific node objects
|
||
|
|
// description:
|
||
|
|
// Any object that's used in the constructor or added
|
||
|
|
// through the push function much implement the
|
||
|
|
// render, unrender, and clone functions.
|
||
|
|
this.contents = nodes || [];
|
||
|
|
},
|
||
|
|
{
|
||
|
|
push: function(node){
|
||
|
|
this.contents.push(node);
|
||
|
|
},
|
||
|
|
unshift: function(node){
|
||
|
|
this.contents.unshift(node);
|
||
|
|
},
|
||
|
|
render: function(context, buffer, /*Node*/ instance){
|
||
|
|
buffer = buffer || dd.DomTemplate.prototype.getBuffer();
|
||
|
|
|
||
|
|
if(instance){
|
||
|
|
var parent = buffer.getParent();
|
||
|
|
}
|
||
|
|
for(var i = 0; i < this.contents.length; i++){
|
||
|
|
buffer = this.contents[i].render(context, buffer);
|
||
|
|
if(!buffer) throw new Error("Template node render functions must return their buffer");
|
||
|
|
}
|
||
|
|
if(parent){
|
||
|
|
buffer.setParent(parent);
|
||
|
|
}
|
||
|
|
return buffer;
|
||
|
|
},
|
||
|
|
dummyRender: function(context, buffer, asNode){
|
||
|
|
// summary: A really expensive way of checking to see how a rendering will look.
|
||
|
|
// Used in the ifchanged tag
|
||
|
|
var div = document.createElement("div");
|
||
|
|
|
||
|
|
var parent = buffer.getParent();
|
||
|
|
var old = parent._clone;
|
||
|
|
// Tell the clone system to attach itself to our new div
|
||
|
|
parent._clone = div;
|
||
|
|
var nodelist = this.clone(buffer, div);
|
||
|
|
if(old){
|
||
|
|
// Restore state if there was a previous clone
|
||
|
|
parent._clone = old;
|
||
|
|
}else{
|
||
|
|
// Remove if there was no clone
|
||
|
|
parent._clone = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
buffer = dd.DomTemplate.prototype.getBuffer();
|
||
|
|
nodelist.unshift(new dd.ChangeNode(div));
|
||
|
|
nodelist.unshift(new dd._DomNode(div));
|
||
|
|
nodelist.push(new dd.ChangeNode(div, true));
|
||
|
|
nodelist.render(context, buffer);
|
||
|
|
|
||
|
|
if(asNode){
|
||
|
|
return buffer.getRootNode();
|
||
|
|
}
|
||
|
|
|
||
|
|
var html = div.innerHTML;
|
||
|
|
return (dojo.isIE) ? html.replace(/\s*_(dirty|clone)="[^"]*"/g, "") : html;
|
||
|
|
},
|
||
|
|
unrender: function(context, buffer, instance){
|
||
|
|
if(instance){
|
||
|
|
var parent = buffer.getParent();
|
||
|
|
}
|
||
|
|
for(var i = 0; i < this.contents.length; i++){
|
||
|
|
buffer = this.contents[i].unrender(context, buffer);
|
||
|
|
if(!buffer) throw new Error("Template node render functions must return their buffer");
|
||
|
|
}
|
||
|
|
if(parent){
|
||
|
|
buffer.setParent(parent);
|
||
|
|
}
|
||
|
|
return buffer;
|
||
|
|
},
|
||
|
|
clone: function(buffer){
|
||
|
|
// summary:
|
||
|
|
// Used to create an identical copy of a NodeList, useful for things like the for tag.
|
||
|
|
var parent = buffer.getParent();
|
||
|
|
var contents = this.contents;
|
||
|
|
var nodelist = new dd._DomNodeList();
|
||
|
|
var cloned = [];
|
||
|
|
for(var i = 0; i < contents.length; i++){
|
||
|
|
var clone = contents[i].clone(buffer);
|
||
|
|
if(clone instanceof dd.ChangeNode || clone instanceof dd._DomNode){
|
||
|
|
var item = clone.contents._clone;
|
||
|
|
if(item){
|
||
|
|
clone.contents = item;
|
||
|
|
}else if(parent != clone.contents && clone instanceof dd._DomNode){
|
||
|
|
var node = clone.contents;
|
||
|
|
clone.contents = clone.contents.cloneNode(false);
|
||
|
|
buffer.onClone && buffer.onClone(node, clone.contents);
|
||
|
|
cloned.push(node);
|
||
|
|
node._clone = clone.contents;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
nodelist.push(clone);
|
||
|
|
}
|
||
|
|
|
||
|
|
for(var i = 0, clone; clone = cloned[i]; i++){
|
||
|
|
clone._clone = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return nodelist;
|
||
|
|
},
|
||
|
|
rtrim: function(){
|
||
|
|
while(1){
|
||
|
|
var i = this.contents.length - 1;
|
||
|
|
if(this.contents[i] instanceof dd._DomTextNode && this.contents[i].isEmpty()){
|
||
|
|
this.contents.pop();
|
||
|
|
}else{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dd._DomVarNode = dojo.extend(function(str){
|
||
|
|
// summary: A node to be processed as a variable
|
||
|
|
// description:
|
||
|
|
// Will render an object that supports the render function
|
||
|
|
// and the getRootNode function
|
||
|
|
this.contents = new dd._Filter(str);
|
||
|
|
},
|
||
|
|
{
|
||
|
|
render: function(context, buffer){
|
||
|
|
var str = this.contents.resolve(context);
|
||
|
|
|
||
|
|
// What type of rendering?
|
||
|
|
var type = "text";
|
||
|
|
if(str){
|
||
|
|
if(str.render && str.getRootNode){
|
||
|
|
type = "injection";
|
||
|
|
}else if(str.safe){
|
||
|
|
if(str.nodeType){
|
||
|
|
type = "node";
|
||
|
|
}else if(str.toString){
|
||
|
|
str = str.toString();
|
||
|
|
type = "html";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Has the typed changed?
|
||
|
|
if(this._type && type != this._type){
|
||
|
|
this.unrender(context, buffer);
|
||
|
|
}
|
||
|
|
this._type = type;
|
||
|
|
|
||
|
|
// Now render
|
||
|
|
switch(type){
|
||
|
|
case "text":
|
||
|
|
this._rendered = true;
|
||
|
|
this._txt = this._txt || document.createTextNode(str);
|
||
|
|
if(this._txt.data != str){
|
||
|
|
var old = this._txt.data;
|
||
|
|
this._txt.data = str;
|
||
|
|
buffer.onChangeData && buffer.onChangeData(this._txt, old, this._txt.data);
|
||
|
|
}
|
||
|
|
return buffer.concat(this._txt);
|
||
|
|
case "injection":
|
||
|
|
var root = str.getRootNode();
|
||
|
|
|
||
|
|
if(this._rendered && root != this._root){
|
||
|
|
buffer = this.unrender(context, buffer);
|
||
|
|
}
|
||
|
|
this._root = root;
|
||
|
|
|
||
|
|
var injected = this._injected = new dd._DomNodeList();
|
||
|
|
injected.push(new dd.ChangeNode(buffer.getParent()));
|
||
|
|
injected.push(new dd._DomNode(root));
|
||
|
|
injected.push(str);
|
||
|
|
injected.push(new dd.ChangeNode(buffer.getParent()));
|
||
|
|
this._rendered = true;
|
||
|
|
|
||
|
|
return injected.render(context, buffer);
|
||
|
|
case "node":
|
||
|
|
this._rendered = true;
|
||
|
|
if(this._node && this._node != str && this._node.parentNode && this._node.parentNode === buffer.getParent()){
|
||
|
|
this._node.parentNode.removeChild(this._node);
|
||
|
|
}
|
||
|
|
this._node = str;
|
||
|
|
return buffer.concat(str);
|
||
|
|
case "html":
|
||
|
|
if(this._rendered && this._src != str){
|
||
|
|
buffer = this.unrender(context, buffer);
|
||
|
|
}
|
||
|
|
this._src = str;
|
||
|
|
|
||
|
|
// This can get reset in the above tag
|
||
|
|
if(!this._rendered){
|
||
|
|
this._rendered = true;
|
||
|
|
this._html = this._html || [];
|
||
|
|
var div = (this._div = this._div || document.createElement("div"));
|
||
|
|
div.innerHTML = str;
|
||
|
|
var children = div.childNodes;
|
||
|
|
while(children.length){
|
||
|
|
var removed = div.removeChild(children[0]);
|
||
|
|
this._html.push(removed);
|
||
|
|
buffer = buffer.concat(removed);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return buffer;
|
||
|
|
default:
|
||
|
|
return buffer;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
unrender: function(context, buffer){
|
||
|
|
if(!this._rendered){
|
||
|
|
return buffer;
|
||
|
|
}
|
||
|
|
this._rendered = false;
|
||
|
|
|
||
|
|
// Unrender injected nodes
|
||
|
|
switch(this._type){
|
||
|
|
case "text":
|
||
|
|
return buffer.remove(this._txt);
|
||
|
|
case "injection":
|
||
|
|
return this._injection.unrender(context, buffer);
|
||
|
|
case "node":
|
||
|
|
if(this._node.parentNode === buffer.getParent()){
|
||
|
|
return buffer.remove(this._node);
|
||
|
|
}
|
||
|
|
return buffer;
|
||
|
|
case "html":
|
||
|
|
for(var i=0, l=this._html.length; i<l; i++){
|
||
|
|
buffer = buffer.remove(this._html[i]);
|
||
|
|
}
|
||
|
|
return buffer;
|
||
|
|
default:
|
||
|
|
return buffer;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
clone: function(){
|
||
|
|
return new this.constructor(this.contents.getExpression());
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dd.ChangeNode = dojo.extend(function(node, /*Boolean?*/ up, /*Bookean*/ root){
|
||
|
|
// summary: Changes the parent during render/unrender
|
||
|
|
this.contents = node;
|
||
|
|
this.up = up;
|
||
|
|
this.root = root;
|
||
|
|
},
|
||
|
|
{
|
||
|
|
render: function(context, buffer){
|
||
|
|
return buffer.setParent(this.contents, this.up, this.root);
|
||
|
|
},
|
||
|
|
unrender: function(context, buffer){
|
||
|
|
if(!buffer.getParent()){
|
||
|
|
return buffer;
|
||
|
|
}
|
||
|
|
return buffer.setParent(this.contents);
|
||
|
|
},
|
||
|
|
clone: function(){
|
||
|
|
return new this.constructor(this.contents, this.up, this.root);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dd.AttributeNode = dojo.extend(function(key, value){
|
||
|
|
// summary: Works on attributes
|
||
|
|
this.key = key;
|
||
|
|
this.value = value;
|
||
|
|
this.contents = value;
|
||
|
|
if(this._pool[value]){
|
||
|
|
this.nodelist = this._pool[value];
|
||
|
|
}else{
|
||
|
|
if(!(this.nodelist = dd.quickFilter(value))){
|
||
|
|
this.nodelist = (new dd.Template(value, true)).nodelist;
|
||
|
|
}
|
||
|
|
this._pool[value] = this.nodelist;
|
||
|
|
}
|
||
|
|
|
||
|
|
this.contents = "";
|
||
|
|
},
|
||
|
|
{
|
||
|
|
_pool: {},
|
||
|
|
render: function(context, buffer){
|
||
|
|
var key = this.key;
|
||
|
|
var value = this.nodelist.dummyRender(context);
|
||
|
|
if(dd.BOOLS[key]){
|
||
|
|
value = !(value == "false" || value == "undefined" || !value);
|
||
|
|
}
|
||
|
|
if(value !== this.contents){
|
||
|
|
this.contents = value;
|
||
|
|
return buffer.setAttribute(key, value);
|
||
|
|
}
|
||
|
|
return buffer;
|
||
|
|
},
|
||
|
|
unrender: function(context, buffer){
|
||
|
|
this.contents = "";
|
||
|
|
return buffer.remove(this.key);
|
||
|
|
},
|
||
|
|
clone: function(buffer){
|
||
|
|
return new this.constructor(this.key, this.value);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dd._DomTextNode = dojo.extend(function(str){
|
||
|
|
// summary: Adds a straight text node without any processing
|
||
|
|
this.contents = document.createTextNode(str);
|
||
|
|
this.upcoming = str;
|
||
|
|
},
|
||
|
|
{
|
||
|
|
set: function(data){
|
||
|
|
this.upcoming = data;
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
render: function(context, buffer){
|
||
|
|
if(this.contents.data != this.upcoming){
|
||
|
|
var old = this.contents.data;
|
||
|
|
this.contents.data = this.upcoming;
|
||
|
|
buffer.onChangeData && buffer.onChangeData(this.contents, old, this.upcoming);
|
||
|
|
}
|
||
|
|
return buffer.concat(this.contents);
|
||
|
|
},
|
||
|
|
unrender: function(context, buffer){
|
||
|
|
return buffer.remove(this.contents);
|
||
|
|
},
|
||
|
|
isEmpty: function(){
|
||
|
|
return !dojo.trim(this.contents.data);
|
||
|
|
},
|
||
|
|
clone: function(){
|
||
|
|
return new this.constructor(this.contents.data);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
dd._DomParser = dojo.extend(function(tokens){
|
||
|
|
// summary: Turn a simple array into a set of objects
|
||
|
|
// description:
|
||
|
|
// This is also used by all tags to move through
|
||
|
|
// the list of nodes.
|
||
|
|
this.contents = tokens;
|
||
|
|
},
|
||
|
|
{
|
||
|
|
i: 0,
|
||
|
|
parse: function(/*Array?*/ stop_at){
|
||
|
|
var terminators = {};
|
||
|
|
var tokens = this.contents;
|
||
|
|
if(!stop_at){
|
||
|
|
stop_at = [];
|
||
|
|
}
|
||
|
|
for(var i = 0; i < stop_at.length; i++){
|
||
|
|
terminators[stop_at[i]] = true;
|
||
|
|
}
|
||
|
|
var nodelist = new dd._DomNodeList();
|
||
|
|
while(this.i < tokens.length){
|
||
|
|
var token = tokens[this.i++];
|
||
|
|
var type = token[0];
|
||
|
|
var value = token[1];
|
||
|
|
if(type == dd.TOKEN_CUSTOM){
|
||
|
|
nodelist.push(value);
|
||
|
|
}else if(type == dd.TOKEN_CHANGE){
|
||
|
|
var changeNode = new dd.ChangeNode(value, token[2], token[3]);
|
||
|
|
value[changeNode.attr] = changeNode;
|
||
|
|
nodelist.push(changeNode);
|
||
|
|
}else if(type == dd.TOKEN_ATTR){
|
||
|
|
var fn = ddt.getTag("attr:" + token[2], true);
|
||
|
|
if(fn && token[3]){
|
||
|
|
if (token[3].indexOf("{%") != -1 || token[3].indexOf("{{") != -1) {
|
||
|
|
value.setAttribute(token[2], "");
|
||
|
|
}
|
||
|
|
nodelist.push(fn(null, new dd.Token(type, token[2] + " " + token[3])));
|
||
|
|
}else if(dojo.isString(token[3])){
|
||
|
|
if(token[2] == "style" || token[3].indexOf("{%") != -1 || token[3].indexOf("{{") != -1){
|
||
|
|
nodelist.push(new dd.AttributeNode(token[2], token[3]));
|
||
|
|
}else if(dojo.trim(token[3])){
|
||
|
|
try{
|
||
|
|
dojo.attr(value, token[2], token[3]);
|
||
|
|
}catch(e){}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}else if(type == dd.TOKEN_NODE){
|
||
|
|
var fn = ddt.getTag("node:" + value.tagName.toLowerCase(), true);
|
||
|
|
if(fn){
|
||
|
|
// TODO: We need to move this to tokenization so that it's before the
|
||
|
|
// node and the parser can be passed here instead of null
|
||
|
|
nodelist.push(fn(null, new dd.Token(type, value), value.tagName.toLowerCase()));
|
||
|
|
}
|
||
|
|
nodelist.push(new dd._DomNode(value));
|
||
|
|
}else if(type == dd.TOKEN_VAR){
|
||
|
|
nodelist.push(new dd._DomVarNode(value));
|
||
|
|
}else if(type == dd.TOKEN_TEXT){
|
||
|
|
nodelist.push(new dd._DomTextNode(value.data || value));
|
||
|
|
}else if(type == dd.TOKEN_BLOCK){
|
||
|
|
if(terminators[value]){
|
||
|
|
--this.i;
|
||
|
|
return nodelist;
|
||
|
|
}
|
||
|
|
var cmd = value.split(/\s+/g);
|
||
|
|
if(cmd.length){
|
||
|
|
cmd = cmd[0];
|
||
|
|
var fn = ddt.getTag(cmd);
|
||
|
|
if(typeof fn != "function"){
|
||
|
|
throw new Error("Function not found for " + cmd);
|
||
|
|
}
|
||
|
|
var tpl = fn(this, new dd.Token(type, value));
|
||
|
|
if(tpl){
|
||
|
|
nodelist.push(tpl);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(stop_at.length){
|
||
|
|
throw new Error("Could not find closing tag(s): " + stop_at.toString());
|
||
|
|
}
|
||
|
|
|
||
|
|
return nodelist;
|
||
|
|
},
|
||
|
|
next_token: function(){
|
||
|
|
// summary: Returns the next token in the list.
|
||
|
|
var token = this.contents[this.i++];
|
||
|
|
return new dd.Token(token[0], token[1]);
|
||
|
|
},
|
||
|
|
delete_first_token: function(){
|
||
|
|
this.i++;
|
||
|
|
},
|
||
|
|
skip_past: function(endtag){
|
||
|
|
return dd._Parser.prototype.skip_past.call(this, endtag);
|
||
|
|
},
|
||
|
|
create_variable_node: function(expr){
|
||
|
|
return new dd._DomVarNode(expr);
|
||
|
|
},
|
||
|
|
create_text_node: function(expr){
|
||
|
|
return new dd._DomTextNode(expr || "");
|
||
|
|
},
|
||
|
|
getTemplate: function(/*String*/ loc){
|
||
|
|
return new dd.DomTemplate(ddh.getTemplate(loc));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
})();
|