kopia lustrzana https://github.com/miklobit/TiddlyWiki5
115 wiersze
3.2 KiB
JavaScript
Executable File
115 wiersze
3.2 KiB
JavaScript
Executable File
/*\
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title: $:/core/modules/widgets/fields.js
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type: application/javascript
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module-type: widget
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Fields widget
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var Widget = require("$:/core/modules/widgets/widget.js").widget;
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var FieldsWidget = function(parseTreeNode,options) {
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this.initialise(parseTreeNode,options);
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};
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/*
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Inherit from the base widget class
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*/
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FieldsWidget.prototype = new Widget();
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/*
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Render this widget into the DOM
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*/
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FieldsWidget.prototype.render = function(parent,nextSibling) {
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this.parentDomNode = parent;
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this.computeAttributes();
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this.execute();
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var textNode = this.document.createTextNode(this.text);
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parent.insertBefore(textNode,nextSibling);
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this.domNodes.push(textNode);
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};
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/*
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Compute the internal state of the widget
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*/
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FieldsWidget.prototype.execute = function() {
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// Get parameters from our attributes
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this.tiddlerTitle = this.getAttribute("tiddler",this.getVariable("currentTiddler"));
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this.template = this.getAttribute("template");
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this.sort = this.getAttribute("sort","yes") === "yes";
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this.sortReverse = this.getAttribute("sortReverse","no") === "yes";
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this.exclude = this.getAttribute("exclude");
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this.include = this.getAttribute("include",null);
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this.stripTitlePrefix = this.getAttribute("stripTitlePrefix","no") === "yes";
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// Get the value to display
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var tiddler = this.wiki.getTiddler(this.tiddlerTitle);
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// Get the inclusion and exclusion list
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var excludeArr = (this.exclude) ? this.exclude.split(" ") : ["text"];
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// Include takes precedence
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var includeArr = (this.include) ? this.include.split(" ") : null;
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// Compose the template
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var text = [];
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if(this.template && tiddler) {
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var fields = [];
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if (includeArr) { // Include takes precedence
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for(var i=0; i<includeArr.length; i++) {
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if(tiddler.fields[includeArr[i]]) {
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fields.push(includeArr[i]);
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}
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}
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} else {
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for(var fieldName in tiddler.fields) {
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if(excludeArr.indexOf(fieldName) === -1) {
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fields.push(fieldName);
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}
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}
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}
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if (this.sort) fields.sort();
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if (this.sortReverse) fields.reverse();
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for(var f=0, fmax=fields.length; f<fmax; f++) {
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fieldName = fields[f];
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var row = this.template,
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value = tiddler.getFieldString(fieldName);
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if(this.stripTitlePrefix && fieldName === "title") {
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var reStrip = /^\{[^\}]+\}(.+)/mg,
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reMatch = reStrip.exec(value);
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if(reMatch) {
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value = reMatch[1];
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}
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}
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row = $tw.utils.replaceString(row,"$name$",fieldName);
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row = $tw.utils.replaceString(row,"$value$",value);
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row = $tw.utils.replaceString(row,"$encoded_value$",$tw.utils.htmlEncode(value));
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text.push(row);
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}
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}
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this.text = text.join("");
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};
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/*
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Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
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*/
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FieldsWidget.prototype.refresh = function(changedTiddlers) {
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var changedAttributes = this.computeAttributes();
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if( changedAttributes.tiddler || changedAttributes.template || changedAttributes.exclude ||
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changedAttributes.include || changedAttributes.sort || changedAttributes.sortReverse ||
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changedTiddlers[this.tiddlerTitle] || changedAttributes.stripTitlePrefix) {
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this.refreshSelf();
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return true;
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} else {
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return false;
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}
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};
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exports.fields = FieldsWidget;
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})();
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