92 lines
2.6 KiB
JavaScript
92 lines
2.6 KiB
JavaScript
/*\
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title: $:/core/modules/widgets/action-navigate.js
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type: application/javascript
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module-type: widget
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Action widget to navigate to a tiddler
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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 NavigateWidget = 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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NavigateWidget.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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NavigateWidget.prototype.render = function(parent,nextSibling) {
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this.computeAttributes();
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this.execute();
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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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NavigateWidget.prototype.execute = function() {
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this.actionTo = this.getAttribute("$to");
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this.actionScroll = this.getAttribute("$scroll");
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};
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/*
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Refresh the widget by ensuring our attributes are up to date
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*/
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NavigateWidget.prototype.refresh = function(changedTiddlers) {
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var changedAttributes = this.computeAttributes();
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if(changedAttributes["$to"] || changedAttributes["$scroll"]) {
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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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/*
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Invoke the action associated with this widget
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*/
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NavigateWidget.prototype.invokeAction = function(triggeringWidget,event) {
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event = event || {};
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var bounds = triggeringWidget && triggeringWidget.getBoundingClientRect && triggeringWidget.getBoundingClientRect(),
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suppressNavigation = event.metaKey || event.ctrlKey || (event.button === 1);
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if(this.actionScroll === "yes") {
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suppressNavigation = false;
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} else if(this.actionScroll === "no") {
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suppressNavigation = true;
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}
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this.dispatchEvent({
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type: "tm-navigate",
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navigateTo: this.actionTo === undefined ? this.getVariable("currentTiddler") : this.actionTo,
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navigateFromTitle: this.getVariable("storyTiddler"),
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navigateFromNode: triggeringWidget,
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navigateFromClientRect: bounds && { top: bounds.top, left: bounds.left, width: bounds.width, right: bounds.right, bottom: bounds.bottom, height: bounds.height
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},
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navigateFromClientTop: bounds && bounds.top,
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navigateFromClientLeft: bounds && bounds.left,
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navigateFromClientWidth: bounds && bounds.width,
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navigateFromClientRight: bounds && bounds.right,
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navigateFromClientBottom: bounds && bounds.bottom,
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navigateFromClientHeight: bounds && bounds.height,
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navigateSuppressNavigation: suppressNavigation,
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metaKey: event.metaKey,
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ctrlKey: event.ctrlKey,
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altKey: event.altKey,
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shiftKey: event.shiftKey,
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event: event
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});
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return true; // Action was invoked
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};
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exports["action-navigate"] = NavigateWidget;
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})();
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