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author | 2008-11-13 09:49:11 +0000 | |
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committer | 2008-11-13 09:49:11 +0000 | |
commit | e44a7e37b6c7b5961adaffc62b9042b8d442938e (patch) | |
tree | 95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/dtl/tag/misc.js | |
parent | a62b9742ee5e28bcec6872d88f50f25b820914f6 (diff) | |
download | scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz scuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.zip |
New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'includes/js/dojox/dtl/tag/misc.js')
-rw-r--r-- | includes/js/dojox/dtl/tag/misc.js | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/includes/js/dojox/dtl/tag/misc.js b/includes/js/dojox/dtl/tag/misc.js new file mode 100644 index 0000000..31610d7 --- /dev/null +++ b/includes/js/dojox/dtl/tag/misc.js @@ -0,0 +1,291 @@ +if(!dojo._hasResource["dojox.dtl.tag.misc"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojox.dtl.tag.misc"] = true; +dojo.provide("dojox.dtl.tag.misc"); +dojo.require("dojox.dtl._base"); + +(function(){ + var dd = dojox.dtl; + var ddtm = dd.tag.misc; + + ddtm.DebugNode = dojo.extend(function(TextNode){ + this._TextNode = TextNode; + }, + { + render: function(context, buffer){ + var keys = context.getKeys(); + var debug = ""; + for(var i = 0, key; key = keys[i]; i++){ + console.debug("DEBUG", key, ":", context[key]); + debug += key + ": " + dojo.toJson(context[key]) + "\n\n"; + } + return new this._TextNode(debug).render(context, buffer, this); + }, + unrender: function(context, buffer){ + return buffer; + }, + clone: function(buffer){ + return new this.constructor(this._TextNode); + }, + toString: function(){ return "ddtm.DebugNode"; } + }); + + ddtm.FilterNode = dojo.extend(function(varnode, nodelist){ + this._varnode = varnode; + this._nodelist = nodelist; + }, + { + render: function(context, buffer){ + // Doing this in HTML requires a different buffer with a fake root node + var output = this._nodelist.render(context, new dojox.string.Builder()); + context.update({ "var": output.toString() }); + var filtered = this._varnode.render(context, buffer); + context.pop(); + return buffer; + }, + unrender: function(context, buffer){ + return buffer; + }, + clone: function(buffer){ + return new this.constructor(this._expression, this._nodelist.clone(buffer)); + } + }); + + ddtm.FirstOfNode = dojo.extend(function(vars, TextNode){ + this._vars = vars; + this.vars = dojo.map(vars, function(item){ + return new dojox.dtl._Filter(item); + }); + this.contents = new TextNode(""); + }, + { + render: function(context, buffer){ + for(var i = 0, item; item = this.vars[i]; i++){ + var resolved = item.resolve(context); + if(typeof resolved != "undefined"){ + if(resolved === null){ + resolved = "null"; + } + this.contents.set(resolved); + return this.contents.render(context, buffer); + } + } + return this.contents.unrender(context, buffer); + }, + unrender: function(context, buffer){ + return this.contents.unrender(context, buffer); + }, + clone: function(buffer){ + return new this.constructor(this._vars, this.contents.constructor); + } + }); + + ddtm.SpacelessNode = dojo.extend(function(nodelist, TextNode){ + this.nodelist = nodelist; + this.TextNode = TextNode; + }, + { + render: function(context, buffer){ + if(buffer.onAddNodeComplete){ + // Unfortunately, we have to branch here + var watch = [ + dojo.connect(buffer, "onAddNodeComplete", this, "_watch"), + dojo.connect(buffer, "onSetParent", this, "_watchParent") + ]; + buffer = this.nodelist.render(context, buffer); + dojo.disconnect(watch[0]); + dojo.disconnect(watch[1]); + }else{ + if(!this.contents){ + this.contents = new this.TextNode(""); + } + var value = this.nodelist.dummyRender(context); + this.contents.set(value.replace(/>\s+</g, '><')); + buffer = this.contents.render(context, buffer); + } + return buffer; + }, + unrender: function(context, buffer){ + return this.nodelist.unrender(context, buffer); + }, + clone: function(buffer){ + return new this.constructor(this.nodelist.clone(buffer)); + }, + _isEmpty: function(node){ + return (node.nodeType == 3 && !node.data.match(/[^\s\n]/)); + }, + _watch: function(node){ + if(this._isEmpty(node)){ + var remove = false; + if(node.parentNode.firstChild == node){ + node.parentNode.removeChild(node); + } + }else{ + var children = node.parentNode.childNodes; + if(node.nodeType == 1 && children.length > 2){ + for(var i = 2, child; child = children[i]; i++){ + if(children[i - 2].nodeType == 1 && this._isEmpty(children[i - 1])){ + node.parentNode.removeChild(children[i - 1]); + return; + } + } + } + } + }, + _watchParent: function(node){ + var children = node.childNodes; + if(children.length){ + while(node.childNodes.length){ + var last = node.childNodes[node.childNodes.length - 1]; + if(!this._isEmpty(last)){ + return; + } + node.removeChild(last); + } + } + } + }); + + ddtm.TemplateTagNode = dojo.extend(function(tag, TextNode){ + this.tag = tag; + this.contents = new TextNode(""); + }, + { + mapping: { + openblock: "{%", + closeblock: "%}", + openvariable: "{{", + closevariable: "}}", + openbrace: "{", + closebrace: "}", + opencomment: "{#", + closecomment: "#}" + }, + render: function(context, buffer){ + this.contents.set(this.mapping[this.tag]); + return this.contents.render(context, buffer); + }, + unrender: function(context, buffer){ + return this.contents.unrender(context, buffer); + }, + clone: function(buffer){ + return new this.constructor(this.tag, this.contents.constructor); + } + }); + + ddtm.WidthRatioNode = dojo.extend(function(current, max, width, TextNode){ + this.current = new dd._Filter(current); + this.max = new dd._Filter(max); + this.width = width; + this.contents = new TextNode(""); + }, + { + render: function(context, buffer){ + var current = +this.current.resolve(context); + var max = +this.max.resolve(context); + if(typeof current != "number" || typeof max != "number" || !max){ + this.contents.set(""); + }else{ + this.contents.set("" + Math.round((current / max) * this.width)); + } + return this.contents.render(context, buffer); + }, + unrender: function(context, buffer){ + return this.contents.unrender(context, buffer); + }, + clone: function(buffer){ + return new this.constructor(this.current.getExpression(), this.max.getExpression(), this.width, this.contents.constructor); + } + }); + + ddtm.WithNode = dojo.extend(function(target, alias, nodelist){ + this.target = new dd._Filter(target); + this.alias = alias; + this.nodelist = nodelist; + }, + { + render: function(context, buffer){ + var target = this.target.resolve(context); + context.push(); + context[this.alias] = target; + buffer = this.nodelist.render(context, buffer); + context.pop(); + return buffer; + }, + unrender: function(context, buffer){ + return buffer; + }, + clone: function(buffer){ + return new this.constructor(this.target.getExpression(), this.alias, this.nodelist.clone(buffer)); + } + }); + + dojo.mixin(ddtm, { + comment: function(parser, text){ + // summary: Ignore everything between {% comment %} and {% endcomment %} + parser.skipPast("endcomment"); + return dd._noOpNode; + }, + debug: function(parser, text){ + // summary: Output the current context, maybe add more stuff later. + return new ddtm.DebugNode(parser.getTextNodeConstructor()); + }, + filter: function(parser, text){ + // summary: Filter the contents of the blog through variable filters. + var parts = text.split(" ", 2); + var varnode = new (parser.getVarNodeConstructor())("var|" + parts[1]); + var nodelist = parser.parse(["endfilter"]); + parser.next(); + return new ddtm.FilterNode(varnode, nodelist); + }, + firstof: function(parser, text){ + var parts = dojox.dtl.text.pySplit(text).slice(1); + if(!parts.length){ + throw new Error("'firstof' statement requires at least one argument"); + } + return new ddtm.FirstOfNode(parts, parser.getTextNodeConstructor()); + }, + spaceless: function(parser, text){ + var nodelist = parser.parse(["endspaceless"]); + parser.next(); + return new ddtm.SpacelessNode(nodelist, parser.getTextNodeConstructor()); + }, + templatetag: function(parser, text){ + var parts = dd.text.pySplit(text); + if(parts.length != 2){ + throw new Error("'templatetag' statement takes one argument"); + } + var tag = parts[1]; + var mapping = ddtm.TemplateTagNode.prototype.mapping; + if(!mapping[tag]){ + var keys = []; + for(var key in mapping){ + keys.push(key); + } + throw new Error("Invalid templatetag argument: '" + tag + "'. Must be one of: " + keys.join(", ")); + } + return new ddtm.TemplateTagNode(tag, parser.getTextNodeConstructor()); + }, + widthratio: function(parser, text){ + var parts = dd.text.pySplit(text); + if(parts.length != 4){ + throw new Error("widthratio takes three arguments"); + } + var width = +parts[3]; + if(typeof width != "number"){ + throw new Error("widthratio final argument must be an integer"); + } + return new ddtm.WidthRatioNode(parts[1], parts[2], width, parser.getTextNodeConstructor()); + }, + with_: function(parser, text){ + var parts = dd.text.pySplit(text); + if(parts.length != 4 || parts[2] != "as"){ + throw new Error("do_width expected format as 'with value as name'"); + } + var nodelist = parser.parse(["endwith"]); + parser.next(); + return new ddtm.WithNode(parts[1], parts[3], nodelist); + } + }); +})(); + +} |