| 2150 |
mathias |
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if(!dojo._hasResource["dojox.dtl.tag.loader"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.dtl.tag.loader"] = true;
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dojo.provide("dojox.dtl.tag.loader");
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dojo.require("dojox.dtl._base");
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dojox.dtl.tag.loader.BlockNode = function(name, nodelist){
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this.name = name;
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this.nodelist = nodelist; // Can be overridden
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}
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dojo.extend(dojox.dtl.tag.loader.BlockNode, {
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render: function(context, buffer){
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if(this.override){
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buffer = this.override.render(context, buffer, this);
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this.rendered = this.override;
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}else{
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buffer = this.nodelist.render(context, buffer, this);
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this.rendered = this.nodelist;
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}
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this.override = null;
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return buffer;
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},
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unrender: function(context, buffer){
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return this.rendered.unrender(context, buffer);
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},
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setOverride: function(nodelist){
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// summary: In a shared parent, we override, not overwrite
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if(!this.override){
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this.override = nodelist;
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}
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},
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toString: function(){ return "dojox.dtl.tag.loader.BlockNode"; }
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});
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dojox.dtl.tag.loader.block = function(parser, text){
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var parts = text.split(" ");
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var name = parts[1];
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parser._blocks = parser._blocks || {};
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parser._blocks[name] = parser._blocks[name] || [];
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parser._blocks[name].push(name);
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var nodelist = parser.parse(["endblock", "endblock " + name]);
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parser.next();
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return new dojox.dtl.tag.loader.BlockNode(name, nodelist);
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}
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dojox.dtl.tag.loader.ExtendsNode = function(getTemplate, nodelist, shared, parent, key){
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this.getTemplate = getTemplate;
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this.nodelist = nodelist;
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this.shared = shared;
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this.parent = parent;
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this.key = key;
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}
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dojo.extend(dojox.dtl.tag.loader.ExtendsNode, {
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parents: {},
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getParent: function(context){
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if(!this.parent){
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this.parent = context.get(this.key, false);
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if(!this.parent){
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throw new Error("extends tag used a variable that did not resolve");
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}
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if(typeof this.parent == "object"){
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if(this.parent.url){
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if(this.parent.shared){
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this.shared = true;
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}
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this.parent = this.parent.url.toString();
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}else{
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this.parent = this.parent.toString();
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}
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}
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if(this.parent && this.parent.indexOf("shared:") == 0){
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this.shared = true;
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this.parent = this.parent.substring(7, parent.length);
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}
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}
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var parent = this.parent;
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if(!parent){
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throw new Error("Invalid template name in 'extends' tag.");
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}
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if(parent.render){
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return parent;
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}
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if(this.parents[parent]){
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return this.parents[parent];
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}
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this.parent = this.getTemplate(dojox.dtl.text.getTemplateString(parent));
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if(this.shared){
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this.parents[parent] = this.parent;
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}
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return this.parent;
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},
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render: function(context, buffer){
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var st = dojox.dtl;
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var stbl = dojox.dtl.tag.loader;
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var parent = this.getParent(context);
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var isChild = parent.nodelist[0] instanceof this.constructor;
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var parentBlocks = {};
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for(var i = 0, node; node = parent.nodelist.contents[i]; i++){
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if(node instanceof stbl.BlockNode){
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parentBlocks[node.name] = node;
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}
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}
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for(var i = 0, node; node = this.nodelist.contents[i]; i++){
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if(node instanceof stbl.BlockNode){
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var block = parentBlocks[node.name];
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if(!block){
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if(isChild){
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parent.nodelist[0].nodelist.append(node);
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}
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}else{
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if(this.shared){
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block.setOverride(node.nodelist);
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}else{
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block.nodelist = node.nodelist;
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}
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}
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}
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}
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this.rendered = parent;
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return parent.render(context, buffer, this);
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},
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unrender: function(context, buffer){
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return this.rendered.unrender(context, buffer, this);
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},
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toString: function(){ return "dojox.dtl.block.ExtendsNode"; }
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});
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dojox.dtl.tag.loader.extends_ = function(parser, text){
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var parts = text.split(" ");
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var shared = false;
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var parent = null;
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var key = null;
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if(parts[1].charAt(0) == '"' || parts[1].charAt(0) == "'"){
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parent = parts[1].substring(1, parts[1].length - 1);
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}else{
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key = parts[1];
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}
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if(parent && parent.indexOf("shared:") == 0){
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shared = true;
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parent = parent.substring(7, parent.length);
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}
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var nodelist = parser.parse();
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return new dojox.dtl.tag.loader.ExtendsNode(parser.getTemplate, nodelist, shared, parent, key);
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}
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}
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