86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
const Compiler = require('./compiler');
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const Component = require('./component');
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const VnNode = require('./node');
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/**
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* Compiles a @HTMLElement from element tag.
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*/
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module.exports = new Class({
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Extends: Compiler
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,compile: function(builder, node, tagName) {
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const context = {
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tagName,
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attributes: {},
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childs: [],
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events: {}
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};
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const {attributes} = context;
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const a = node.attributes;
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for (let i = 0; i < a.length; i++) {
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const attribute = a[i].nodeName;
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const value = a[i].nodeValue;
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if (this.isEvent(attribute)) {
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const handler = this._getMethod(value);
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if (handler) context.events[attribute.substr(3)] = handler;
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} else if (!/^(id|property)$/.test(attribute)) {
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if (this.isExpr(value))
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this.compileExpr(context, attribute, value);
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else
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attributes[attribute] = this._translateValue(value);
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}
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}
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let childContext;
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const childNodes = node.childNodes;
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if (childNodes)
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for (let i = 0; i < childNodes.length; i++)
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if (childContext = builder._compile(childNodes[i]))
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context.childs.push(childContext.id);
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return context;
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}
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,instantiate: function(doc, context, scope) {
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const object = doc.createElement(context.tagName);
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const attributes = context.attributes;
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for (const attribute in attributes)
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object.setAttribute(attribute, attributes[attribute]);
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if (context.nodeId) {
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const id = context.nodeId;
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object.setAttribute('id', scope.getHtmlId(id));
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VnNode.addClass(object, '_'+ id);
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}
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return object;
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}
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,setProperty(object, property, value) {
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object.setAttribute(property, value);
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}
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,link: function(context, object, objects, scope) {
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const childs = context.childs;
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for (let i = 0; i < childs.length; i++) {
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let child = objects[childs[i]];
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if (child instanceof Component)
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child = child.node;
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if (child instanceof Node)
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object.appendChild(child);
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}
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const events = context.events;
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for (const event in events) {
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const listener = this.bindMethod(events[event], scope, true);
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if (listener)
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object.addEventListener(event, listener);
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}
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}
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});
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