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Code Issues Releases Wiki Activity

Refactor things so that widgets can opt not to generate an element

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They have to have a single child renderer instead
This commit is contained in:
Jeremy Ruston 2013-01-03 20:51:13 +00:00
parent 1c559660d9
commit 89d44e27df
1 changed files with 64 additions and 52 deletions
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116
core/modules/rendertree/renderers/element.js
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@ -114,70 +114,82 @@ ElementRenderer.prototype.getAttribute = function(name,defaultValue) {
};
ElementRenderer.prototype.render = function(type) {
var isHtml = type === "text/html",
output = [],attr,a,v;
if(isHtml) {
output.push("<",this.widget.tag);
if(this.widget.attributes) {
attr = [];
for(a in this.widget.attributes) {
attr.push(a);
}
attr.sort();
for(a=0; a<attr.length; a++) {
v = this.widget.attributes[attr[a]];
if(v !== undefined) {
if($tw.utils.isArray(v)) {
v = v.join(" ");
} else if(typeof v === "object") {
var s = [];
for(var p in v) {
s.push(p + ":" + v[p] + ";");
// Check if our widget is providing an element
if(this.widget.tag) {
var isHtml = type === "text/html",
output = [],attr,a,v;
if(isHtml) {
output.push("<",this.widget.tag);
if(this.widget.attributes) {
attr = [];
for(a in this.widget.attributes) {
attr.push(a);
}
attr.sort();
for(a=0; a<attr.length; a++) {
v = this.widget.attributes[attr[a]];
if(v !== undefined) {
if($tw.utils.isArray(v)) {
v = v.join(" ");
} else if(typeof v === "object") {
var s = [];
for(var p in v) {
s.push(p + ":" + v[p] + ";");
}
v = s.join("");
}
v = s.join("");
output.push(" ",attr[a],"='",$tw.utils.htmlEncode(v),"'");
}
output.push(" ",attr[a],"='",$tw.utils.htmlEncode(v),"'");
}
}
}
if(!this.widget.children || this.widget.children.length === 0) {
output.push("/");
}
output.push(">");
}
if(this.widget.children && this.widget.children.length > 0) {
$tw.utils.each(this.widget.children,function(node) {
if(node.render) {
output.push(node.render(type));
if(!this.widget.children || this.widget.children.length === 0) {
output.push("/");
}
});
if(isHtml) {
output.push("</",this.widget.tag,">");
output.push(">");
}
if(this.widget.children && this.widget.children.length > 0) {
$tw.utils.each(this.widget.children,function(node) {
if(node.render) {
output.push(node.render(type));
}
});
if(isHtml) {
output.push("</",this.widget.tag,">");
}
}
return output.join("");
} else {
// Just render our first child if we're not generating an element
return this.widget.children[0].render(type);
}
return output.join("");
};
ElementRenderer.prototype.renderInDom = function() {
// Create the element
this.domNode = document.createElement(this.widget.tag);
// Assign the attributes
this.assignAttributes();
// Render any child nodes
var self = this;
$tw.utils.each(this.widget.children,function(node) {
if(node.renderInDom) {
self.domNode.appendChild(node.renderInDom());
// Check if our widget is providing an element
if(this.widget.tag) {
// Create the element
this.domNode = document.createElement(this.widget.tag);
// Assign any specified event handlers
$tw.utils.addEventListeners(this.domNode,this.widget.events);
// Assign the attributes
this.assignAttributes();
// Render any child nodes
var self = this;
$tw.utils.each(this.widget.children,function(node) {
if(node.renderInDom) {
self.domNode.appendChild(node.renderInDom());
}
});
// Call postRenderInDom if the widget provides it
if(this.widget.postRenderInDom) {
this.widget.postRenderInDom();
}
});
// Assign any specified event handlers
$tw.utils.addEventListeners(this.domNode,this.widget.events);
// Call postRenderInDom if the widget provides it
if(this.widget.postRenderInDom) {
this.widget.postRenderInDom();
// Return the dom node
return this.domNode;
} else {
// If we're not generating an element, just render our first child
return this.widget.children[0].renderInDom();
}
// Return the dom node
return this.domNode;
};
ElementRenderer.prototype.assignAttributes = function() {