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https://github.com/Jermolene/TiddlyWiki5
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030155ec27
* Add "enabled" attribute to draggable widget * Update draggable.js * Update draggable.js * Update draggable.js
105 lines
2.7 KiB
JavaScript
105 lines
2.7 KiB
JavaScript
/*\
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title: $:/core/modules/widgets/draggable.js
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type: application/javascript
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module-type: widget
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Draggable 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 DraggableWidget = 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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DraggableWidget.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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DraggableWidget.prototype.render = function(parent,nextSibling) {
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var self = this,
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tag,
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domNode,
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classes = [];
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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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// Sanitise the specified tag
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tag = this.draggableTag;
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if($tw.config.htmlUnsafeElements.indexOf(tag) !== -1) {
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tag = "div";
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}
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// Create our element
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domNode = this.document.createElement(tag);
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// Assign classes
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if(this.draggableClasses) {
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classes.push(this.draggableClasses);
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}
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if(!this.dragHandleSelector && this.dragEnable) {
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classes.push("tc-draggable");
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}
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domNode.setAttribute("class",classes.join(" "));
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// Insert the node into the DOM and render any children
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parent.insertBefore(domNode,nextSibling);
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this.renderChildren(domNode,null);
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// Add event handlers
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if(this.dragEnable) {
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$tw.utils.makeDraggable({
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domNode: domNode,
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dragTiddlerFn: function() {return self.getAttribute("tiddler");},
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dragFilterFn: function() {return self.getAttribute("filter");},
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startActions: self.startActions,
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endActions: self.endActions,
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dragImageType: self.dragImageType,
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widget: this,
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selector: self.dragHandleSelector
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});
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}
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this.domNodes.push(domNode);
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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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DraggableWidget.prototype.execute = function() {
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// Pick up our attributes
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this.draggableTag = this.getAttribute("tag","div");
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this.draggableClasses = this.getAttribute("class");
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this.startActions = this.getAttribute("startactions");
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this.endActions = this.getAttribute("endactions");
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this.dragImageType = this.getAttribute("dragimagetype");
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this.dragHandleSelector = this.getAttribute("selector");
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this.dragEnable = this.getAttribute("enable","yes") === "yes";
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// Make the child widgets
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this.makeChildWidgets();
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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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DraggableWidget.prototype.refresh = function(changedTiddlers) {
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var changedAttributes = this.computeAttributes();
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if($tw.utils.count(changedAttributes) > 0) {
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this.refreshSelf();
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return true;
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}
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return this.refreshChildren(changedTiddlers);
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};
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exports.draggable = DraggableWidget;
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})();
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