Add a linkcatcher widget

It intercepts navigation events and saves the target tiddler title into
a specified text reference
print-window-tiddler
Jeremy Ruston 2013-05-01 12:02:33 +01:00
rodzic 92038028e9
commit aa7b9441fd
1 zmienionych plików z 56 dodań i 0 usunięć

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/*\
title: $:/core/modules/widget/linkcatcher.js
type: application/javascript
module-type: widget
Implements the linkcatcher widget.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var LinkCatcherWidget = function(renderer) {
// Save state
this.renderer = renderer;
// Generate child nodes
this.generate();
};
LinkCatcherWidget.prototype.generate = function() {
// Get our attributes
this.to = this.renderer.getAttribute("to");
// Set the element
this.tag = "div";
this.attributes = {
"class": "tw-linkcatcher"
};
this.children = this.renderer.renderTree.createRenderers(this.renderer.renderContext,this.renderer.parseTreeNode.children);
this.events = [
{name: "tw-navigate", handlerObject: this, handlerMethod: "handleNavigateEvent"}
];
};
LinkCatcherWidget.prototype.refreshInDom = function(changedAttributes,changedTiddlers) {
// We don't need to refresh ourselves, so just refresh any child nodes
$tw.utils.each(this.children,function(node) {
if(node.refreshInDom) {
node.refreshInDom(changedTiddlers);
}
});
};
// Navigate to a specified tiddler
LinkCatcherWidget.prototype.handleNavigateEvent = function(event) {
if(this.to) {
this.renderer.renderTree.wiki.setTextReference(this.to,event.navigateTo,this.renderer.getContextTiddlerTitle());
}
event.stopPropagation();
return false;
};
exports.linkcatcher = LinkCatcherWidget;
})();