mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-27 20:10:03 +00:00
08cfa88249
We were using `String.prototype.replace()` without addressing the wrinkle that dollar signs in the replacement string have special handling. This caused problems in situations where the replacement string is derived from user input and contains dollar signs. Fixes #2517
104 lines
2.7 KiB
JavaScript
Executable File
104 lines
2.7 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.exclude = this.getAttribute("exclude");
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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 exclusion list
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var exclude;
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if(this.exclude) {
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exclude = this.exclude.split(" ");
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} else {
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exclude = ["text"];
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}
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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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for(var fieldName in tiddler.fields) {
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if(exclude.indexOf(fieldName) === -1) {
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fields.push(fieldName);
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}
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}
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fields.sort();
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for(var f=0; f<fields.length; f++) {
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fieldName = fields[f];
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if(exclude.indexOf(fieldName) === -1) {
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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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}
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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 || changedAttributes.stripTitlePrefix || changedTiddlers[this.tiddlerTitle]) {
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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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