Subversion Repositories Applications.papyrus

if(!dojo._hasResource["dojox.dtl.tag.loader"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.dtl.tag.loader"] = true;
dojo.provide("dojox.dtl.tag.loader");

dojo.require("dojox.dtl._base");

dojox.dtl.tag.loader.BlockNode = function(name, nodelist){
        this.name = name;
        this.nodelist = nodelist; // Can be overridden
}
dojo.extend(dojox.dtl.tag.loader.BlockNode, {
        render: function(context, buffer){
                if(this.override){
                        buffer = this.override.render(context, buffer, this);
                        this.rendered = this.override;
                }else{
                        buffer =  this.nodelist.render(context, buffer, this);
                        this.rendered = this.nodelist;
                }
                this.override = null;
                return buffer;
        },
        unrender: function(context, buffer){
                return this.rendered.unrender(context, buffer);
        },
        setOverride: function(nodelist){
                // summary: In a shared parent, we override, not overwrite
                if(!this.override){
                        this.override = nodelist;
                }
        },
        toString: function(){ return "dojox.dtl.tag.loader.BlockNode"; }
});
dojox.dtl.tag.loader.block = function(parser, text){
        var parts = text.split(" ");
        var name = parts[1];
        
        parser._blocks = parser._blocks || {};
        parser._blocks[name] = parser._blocks[name] || [];
        parser._blocks[name].push(name);
        
        var nodelist = parser.parse(["endblock", "endblock " + name]);
        parser.next();
        return new dojox.dtl.tag.loader.BlockNode(name, nodelist);
}

dojox.dtl.tag.loader.ExtendsNode = function(getTemplate, nodelist, shared, parent, key){
        this.getTemplate = getTemplate;
        this.nodelist = nodelist;
        this.shared = shared;
        this.parent = parent;
        this.key = key;
}
dojo.extend(dojox.dtl.tag.loader.ExtendsNode, {
        parents: {},
        getParent: function(context){
                if(!this.parent){
                        this.parent = context.get(this.key, false);
                        if(!this.parent){
                                throw new Error("extends tag used a variable that did not resolve");
                        }
                        if(typeof this.parent == "object"){
                                if(this.parent.url){
                                        if(this.parent.shared){
                                                this.shared = true;
                                        }
                                        this.parent = this.parent.url.toString();
                                }else{
                                        this.parent = this.parent.toString();
                                }
                        }
                        if(this.parent && this.parent.indexOf("shared:") == 0){
                                this.shared = true;
                                this.parent = this.parent.substring(7, parent.length);
                        }
                }
                var parent = this.parent;
                if(!parent){
                        throw new Error("Invalid template name in 'extends' tag.");
                }
                if(parent.render){
                        return parent;
                }
                if(this.parents[parent]){
                        return this.parents[parent];
                }
                this.parent = this.getTemplate(dojox.dtl.text.getTemplateString(parent));
                if(this.shared){
                        this.parents[parent] = this.parent;
                }
                return this.parent;
        },
        render: function(context, buffer){
                var st = dojox.dtl;
                var stbl = dojox.dtl.tag.loader;
                var parent = this.getParent(context);
                var isChild = parent.nodelist[0] instanceof this.constructor;
                var parentBlocks = {};
                for(var i = 0, node; node = parent.nodelist.contents[i]; i++){
                        if(node instanceof stbl.BlockNode){
                                parentBlocks[node.name] = node;
                        }
                }
                for(var i = 0, node; node = this.nodelist.contents[i]; i++){
                        if(node instanceof stbl.BlockNode){
                                var block = parentBlocks[node.name];
                                if(!block){
                                        if(isChild){
                                                parent.nodelist[0].nodelist.append(node);
                                        }
                                }else{
                                        if(this.shared){
                                                block.setOverride(node.nodelist);
                                        }else{
                                                block.nodelist = node.nodelist;
                                        }
                                }
                        }
                }
                this.rendered = parent;
                return parent.render(context, buffer, this);
        },
        unrender: function(context, buffer){
                return this.rendered.unrender(context, buffer, this);
        },
        toString: function(){ return "dojox.dtl.block.ExtendsNode"; }
});
dojox.dtl.tag.loader.extends_ = function(parser, text){
        var parts = text.split(" ");
        var shared = false;
        var parent = null;
        var key = null;
        if(parts[1].charAt(0) == '"' || parts[1].charAt(0) == "'"){
                parent = parts[1].substring(1, parts[1].length - 1);
        }else{
                key = parts[1];
        }
        if(parent && parent.indexOf("shared:") == 0){
                shared = true;
                parent = parent.substring(7, parent.length);
        }
        var nodelist = parser.parse();
        return new dojox.dtl.tag.loader.ExtendsNode(parser.getTemplate, nodelist, shared, parent, key);
}

}