1
0
mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2024-12-26 10:00:34 +00:00
TiddlyWiki5/core/modules/utils/dom/popup.js
2012-11-11 15:03:34 +00:00

81 lines
2.4 KiB
JavaScript

/*\
title: $:/core/modules/utils/dom/popup.js
type: application/javascript
module-type: utils
Module that creates a $tw.utils.Popup object prototype that manages popups in the browser
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Creates a Popup object with these options:
wiki: the wiki to use for resolving tiddler titles
rootElement: the DOM element to which the popup zapper should be attached
*/
var Popup = function(options) {
options = options || {};
this.wiki = options.wiki;
this.rootElement = options.rootElement || document.body;
this.popupTextRef = null;
};
Popup.prototype.popup = function(stateTextRef) {
this.cancel();
this.popupTextRef = stateTextRef;
this.rootElement.addEventListener("click",this,true);
};
Popup.prototype.handleEvent = function(event) {
if(event.type === "click") {
this.rootElement.removeEventListener("click",this,true);
this.cancel();
}
};
Popup.prototype.cancel = function() {
if(this.popupTextRef) {
this.wiki.deleteTextReference(this.popupTextRef);
this.popupTextRef = null;
}
};
/*
Trigger a popup open or closed. Parameters are in a hashmap:
textRef: text reference where the popup details are stored
domNode: dom node to which the popup will be positioned
qualifyTiddlerTitles: "yes" if state tiddler titles are to be qualified
contextTiddlerTitle: title of tiddler providing context for text references
contextParents: parent stack
wiki: wiki
*/
Popup.prototype.triggerPopup = function(options) {
// Get the textref of the popup state tiddler
var textRef = options.textRef;
if(options.qualifyTiddlerTitles === "yes") {
textRef = textRef + "(" + options.contextParents.join(",") + "," + options.contextTiddlerTitle + ")";
}
// Get the current popup state tiddler
var value = options.wiki.getTextReference(textRef,"",options.contextTiddlerTitle);
// Check if the popup is open by checking whether it matches "(<x>,<y>)"
var popupLocationRegExp = /^\((-?[0-9\.E]+),(-?[0-9\.E]+),(-?[0-9\.E]+),(-?[0-9\.E]+)\)$/;
if(popupLocationRegExp.test(value)) {
this.cancel();
} else {
// Set the position if we're opening it
options.wiki.setTextReference(textRef,
"(" + options.domNode.offsetLeft + "," + options.domNode.offsetTop + "," +
options.domNode.offsetWidth + "," + options.domNode.offsetHeight + ")",
options.contextTiddlerTitle,true);
this.popup(textRef);
}
};
exports.Popup = Popup;
})();