mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-26 10:00:34 +00:00
108 lines
2.5 KiB
JavaScript
108 lines
2.5 KiB
JavaScript
/*\
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title: $:/core/modules/widgets/edit-binary.js
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type: application/javascript
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module-type: widget
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Edit-binary widget; placeholder for editing binary tiddlers
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var BINARY_WARNING_MESSAGE = "$:/core/ui/BinaryWarning";
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var EXPORT_BUTTON_IMAGE = "$:/core/images/export-button";
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var Widget = require("$:/core/modules/widgets/widget.js").widget;
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var EditBinaryWidget = 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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EditBinaryWidget.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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EditBinaryWidget.prototype.render = function(parent,nextSibling) {
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var self = this;
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// Save the parent dom node
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this.parentDomNode = parent;
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// Compute our attributes
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this.computeAttributes();
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// Execute our logic
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this.execute();
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this.renderChildren(parent,nextSibling);
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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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EditBinaryWidget.prototype.execute = function() {
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// Get our parameters
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var editTitle = this.getAttribute("tiddler",this.getVariable("currentTiddler"));
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var tiddler = this.wiki.getTiddler(editTitle);
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var type = tiddler.fields.type;
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var text = tiddler.fields.text;
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// Transclude the binary data tiddler warning message
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var warn = {
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type: "element",
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tag: "p",
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children: [{
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type: "transclude",
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attributes: {
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tiddler: {type: "string", value: BINARY_WARNING_MESSAGE}
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}
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}]
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};
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// Create download link based on draft tiddler title
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var link = {
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type: "element",
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tag: "a",
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attributes: {
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title: {type: "indirect", textReference: "!!draft.title"},
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download: {type: "indirect", textReference: "!!draft.title"}
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},
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children: [{
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type: "transclude",
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attributes: {
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tiddler: {type: "string", value: EXPORT_BUTTON_IMAGE}
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}
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}]
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};
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// Set the link href to internal data URI (no external)
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if(text) {
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link.attributes.href = {
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type: "string",
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value: "data:" + type + ";base64," + text
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};
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}
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// Combine warning message and download link in a div
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var element = {
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type: "element",
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tag: "div",
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attributes: {
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class: {type: "string", value: "tc-binary-warning"}
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},
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children: [warn, link]
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}
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// Construct the child widgets
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this.makeChildWidgets([element]);
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};
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/*
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Refresh by refreshing our child widget
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*/
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EditBinaryWidget.prototype.refresh = function(changedTiddlers) {
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return this.refreshChildren(changedTiddlers);
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};
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exports["edit-binary"] = EditBinaryWidget;
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})();
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