mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-30 20:10:28 +00:00
115 lines
3.3 KiB
JavaScript
115 lines
3.3 KiB
JavaScript
/*\
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title: $:/core/modules/macros/transclude.js
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type: application/javascript
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module-type: macro
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Transclude macro
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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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exports.info = {
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name: "transclude",
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dependentAll: true, // Tiddlers containing <<transclude>> macro are dependent on every tiddler
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params: {
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filter: {byPos: 0, type: "filter"},
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title: {byPos: 1, type: "tiddler"},
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template: {byName: true, type: "tiddler"},
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templateText: {byName: true, type: "text"},
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emptyMessage: {byName: true, type: "text"}
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}
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};
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/*
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Return the list of tiddlers to be transcluded
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*/
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exports.getTiddlerList = function() {
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if(this.hasParameter("filter")) {
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return this.wiki.filterTiddlers(this.params.filter,this.tiddlerTitle);
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} else if(this.hasParameter("title")) {
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return [this.params.title];
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} else {
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return [this.tiddlerTitle];
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}
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};
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/*
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Get the parse tree of the template text to be used
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parents: array of tiddler titles of parents in the render tree
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*/
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exports.getTemplateParseTree = function(parents) {
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if(this.hasParameter("templateText")) {
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// Parse the template
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return this.wiki.parseText("text/x-tiddlywiki",this.params.templateText);
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} else {
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if(this.hasParameter("template")) {
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// Check for recursion
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if(parents.indexOf(this.params.template) !== -1) {
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return $tw.Tree.errorNode("Tiddler recursion error in <<transclude>> macro");
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}
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parents.push(this.params.template);
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return this.wiki.parseTiddler(this.params.template);
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} else {
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return this.wiki.parseText("text/x-tiddlywiki","<<view text wikified>>");
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}
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}
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};
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exports.executeMacro = function() {
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console.log("Executing transclude macro",this.params.filter,this.tiddlerTitle);
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var templateTiddler,templateText,t,title,templateParseTree,
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nodes,node,c,
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parents = this.parents.slice(0);
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// Clear the tiddler list
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this.tiddlerList = this.getTiddlerList();
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// Ensure we don't recurse back into ourselves
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parents.push(this.tiddlerTitle);
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// Get the template
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templateParseTree = this.getTemplateParseTree(parents);
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// Use the empty message if the list is empty
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if(this.tiddlerList.length === 0 && this.hasParameter("emptyMessage")) {
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nodes = this.wiki.parseText("text/x-tiddlywiki",this.params.emptyMessage).tree;
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for(c=0; c<nodes.length; c++) {
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nodes[c].execute(this.parents,this.tiddlerTitle);
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}
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} else {
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// Render the tiddlers through the template
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nodes = [];
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for(t=0; t<this.tiddlerList.length; t++) {
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title = this.tiddlerList[t];
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for(c=0; c<templateParseTree.tree.length; c++) {
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node = templateParseTree.tree[c].clone();
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node.execute(parents,title);
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nodes.push(node);
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}
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}
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}
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// Return
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var attributes = {"class": ["tw-transclusion"]};
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if(this.classes) {
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$tw.utils.pushTop(attributes["class"],this.classes);
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}
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return $tw.Tree.Element("div",attributes,nodes);
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};
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exports.refreshInDom = function(changes) {
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console.log("Refreshing transclude macro",this.params.filter,this.tiddlerTitle);
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var doRefresh = false;
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// Do a refresh if any of our parameters have changed
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doRefresh = doRefresh || (this.hasParameter("template") && $tw.utils.hop(changes,this.params.template));
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// Check if we need to do a full refresh
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if(doRefresh) {
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// Re-execute the macro to refresh it
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this.reexecuteInDom();
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} else {
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// Do a selective refresh
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}
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};
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})();
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