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TiddlyWiki5/core/modules/widgets/list/listviews/classic.js
Jeremy Ruston 551ebdc005 Major refactoring of rendering mechanism
We now use a fake DOM implementation on the server to let us share more
rendering code between the text output vs. DOM output paths.
2013-05-17 10:12:25 +01:00

101 lines
3.6 KiB
JavaScript

/*\
title: $:/core/modules/widgets/list/listviews/classic.js
type: application/javascript
module-type: listview
Views the list as a linear sequence
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var ClassicListView = function(listWidget) {
this.listWidget = listWidget;
}
ClassicListView.prototype.navigateTo = function(historyInfo) {
var listElementIndex = this.listWidget.findListElementByTitle(0,historyInfo.title);
if(listElementIndex === undefined) {
return;
}
var listElementNode = this.listWidget.children[listElementIndex],
targetElement = listElementNode.domNode;
// Scroll the node into view
var scrollEvent = this.listWidget.renderer.renderTree.document.createEvent("Event");
scrollEvent.initEvent("tw-scroll",true,true);
targetElement.dispatchEvent(scrollEvent);
};
ClassicListView.prototype.insert = function(index) {
var listElementNode = this.listWidget.children[index],
targetElement = listElementNode.domNode;
// Get the current height of the tiddler
var currMarginBottom = parseInt(window.getComputedStyle(targetElement).marginBottom,10),
currMarginTop = parseInt(window.getComputedStyle(targetElement).marginTop,10),
currHeight = targetElement.offsetHeight + currMarginTop;
// Reset the margin once the transition is over
var transitionEventName = $tw.utils.convertEventName("transitionEnd");
targetElement.addEventListener(transitionEventName,function handler(event) {
$tw.utils.setStyle(targetElement,[
{transition: "none"},
{marginBottom: ""}
]);
targetElement.removeEventListener(transitionEventName,handler,false);
},false);
// Set up the initial position of the element
$tw.utils.setStyle(targetElement,[
{transition: "none"},
{marginBottom: (-currHeight) + "px"},
{opacity: "0.0"}
]);
$tw.utils.forceLayout(targetElement);
// Transition to the final position
$tw.utils.setStyle(targetElement,[
{transition: "opacity " + $tw.config.preferences.animationDurationMs + " ease-in-out, " +
"margin-bottom " + $tw.config.preferences.animationDurationMs + " ease-in-out"},
{marginBottom: currMarginBottom + "px"},
{opacity: "1.0"}
]);
};
ClassicListView.prototype.remove = function(index) {
var listElementNode = this.listWidget.children[index],
targetElement = listElementNode.domNode;
// Get the current height of the tiddler
var currWidth = targetElement.offsetWidth,
currMarginBottom = parseInt(window.getComputedStyle(targetElement).marginBottom,10),
currMarginTop = parseInt(window.getComputedStyle(targetElement).marginTop,10),
currHeight = targetElement.offsetHeight + currMarginTop;
// Attach an event handler for the end of the transition
targetElement.addEventListener($tw.utils.convertEventName("transitionEnd"),function(event) {
if(targetElement.parentNode) {
targetElement.parentNode.removeChild(targetElement);
}
},false);
// Animate the closure
$tw.utils.setStyle(targetElement,[
{transition: "none"},
{transform: "translateX(0px)"},
{marginBottom: currMarginBottom + "px"},
{opacity: "1.0"}
]);
$tw.utils.forceLayout(targetElement);
$tw.utils.setStyle(targetElement,[
{transition: $tw.utils.roundTripPropertyName("transform") + " " + $tw.config.preferences.animationDurationMs + " ease-in-out, " +
"opacity " + $tw.config.preferences.animationDurationMs + " ease-in-out, " +
"margin-bottom " + $tw.config.preferences.animationDurationMs + " ease-in-out"},
{transform: "translateX(-" + currWidth + "px)"},
{marginBottom: (-currHeight) + "px"},
{opacity: "0.0"}
]);
// Returning true causes the DOM node not to be deleted
return true;
};
exports.classic = ClassicListView;
})();