mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-08-25 19:16:49 +00:00
94 lines
2.1 KiB
JavaScript
94 lines
2.1 KiB
JavaScript
/*\
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title: $:/core/modules/rendertree/wikirendertree.js
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type: application/javascript
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module-type: global
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Wiki text render tree
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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Create a render tree object for a parse tree
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*/
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var WikiRenderTree = function(parser,options) {
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this.parser = parser;
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this.wiki = options.wiki;
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};
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/*
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Generate the full render tree for this parse tree
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renderContext: see below
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An renderContext consists of these fields:
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tiddlerTitle: title of the tiddler providing the context
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parentContext: reference back to previous context in the stack
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*/
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WikiRenderTree.prototype.execute = function(renderContext) {
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this.rendererTree = this.createRenderers(renderContext,this.parser.tree);
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};
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/*
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Create an array of renderers for an array of parse tree nodes
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*/
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WikiRenderTree.prototype.createRenderers = function(renderContext,parseTreeNodes) {
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var rendererNodes = [];
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if(parseTreeNodes) {
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for(var t=0; t<parseTreeNodes.length; t++) {
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rendererNodes.push(this.createRenderer(renderContext,parseTreeNodes[t]));
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}
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}
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return rendererNodes;
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};
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/*
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Create a renderer node for a parse tree node
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*/
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WikiRenderTree.prototype.createRenderer = function(renderContext,parseTreeNode) {
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var RenderNodeClass = this.parser.vocabulary.rendererClasses[parseTreeNode.type];
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return new RenderNodeClass(this,renderContext,parseTreeNode);
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};
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/*
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Render as a string
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*/
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WikiRenderTree.prototype.render = function(type) {
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var output = [];
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$tw.utils.each(this.rendererTree,function(node) {
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if(node.render) {
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output.push(node.render(type));
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}
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});
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return output.join("");
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};
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/*
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Render to the DOM
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*/
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WikiRenderTree.prototype.renderInDom = function(container) {
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this.container = container;
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$tw.utils.each(this.rendererTree,function(node) {
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if(node.renderInDom) {
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container.appendChild(node.renderInDom());
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}
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});
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};
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/*
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Update the DOM rendering in the light of a set of changes
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*/
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WikiRenderTree.prototype.refreshInDom = function(changes) {
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$tw.utils.each(this.rendererTree,function(node) {
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if(node.refreshInDom) {
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node.refreshInDom(changes);
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}
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});
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};
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exports.WikiRenderTree = WikiRenderTree;
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})();
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