70 lines
1.7 KiB
JavaScript
70 lines
1.7 KiB
JavaScript
/*\
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title: $:/core/modules/widgets/encrypt.js
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type: application/javascript
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module-type: widget
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Encrypt 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 EncryptWidget = 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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EncryptWidget.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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EncryptWidget.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.encryptedText);
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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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EncryptWidget.prototype.execute = function() {
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// Get parameters from our attributes
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this.filter = this.getAttribute("filter","[!is[system]]");
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// Encrypt the filtered tiddlers
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var tiddlers = this.wiki.filterTiddlers(this.filter),
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json = {},
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self = this;
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$tw.utils.each(tiddlers,function(title) {
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var tiddler = self.wiki.getTiddler(title),
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jsonTiddler = {};
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for(var f in tiddler.fields) {
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jsonTiddler[f] = tiddler.getFieldString(f);
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}
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json[title] = jsonTiddler;
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});
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this.encryptedText = $tw.utils.htmlEncode($tw.crypto.encrypt(JSON.stringify(json)));
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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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EncryptWidget.prototype.refresh = function(changedTiddlers) {
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// We don't need to worry about refreshing because the encrypt widget isn't for interactive use
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return false;
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};
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exports.encrypt = EncryptWidget;
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})();
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