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TiddlyWiki5/core/modules/storyviews/classic.js
Jermolene 3a67fdb768 Obeisance to JSHint for core modules
There are still some warnings about making functions in a loop, but
I’ll fix those as a separate pull request because the fixes are more
than typographic errors.
2014-08-30 20:44:26 +01:00

96 lines
3.1 KiB
JavaScript

/*\
title: $:/core/modules/storyviews/classic.js
type: application/javascript
module-type: storyview
Views the story as a linear sequence
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var easing = "cubic-bezier(0.645, 0.045, 0.355, 1)"; // From http://easings.net/#easeInOutCubic
var ClassicStoryView = function(listWidget) {
this.listWidget = listWidget;
};
ClassicStoryView.prototype.navigateTo = function(historyInfo) {
var listElementIndex = this.listWidget.findListItem(0,historyInfo.title);
if(listElementIndex === undefined) {
return;
}
var listItemWidget = this.listWidget.children[listElementIndex],
targetElement = listItemWidget.findFirstDomNode();
// Scroll the node into view
this.listWidget.dispatchEvent({type: "tm-scroll", target: targetElement});
};
ClassicStoryView.prototype.insert = function(widget) {
var targetElement = widget.findFirstDomNode(),
duration = $tw.utils.getAnimationDuration();
// Get the current height of the tiddler
var computedStyle = window.getComputedStyle(targetElement),
currMarginBottom = parseInt(computedStyle.marginBottom,10),
currMarginTop = parseInt(computedStyle.marginTop,10),
currHeight = targetElement.offsetHeight + currMarginTop;
// Reset the margin once the transition is over
setTimeout(function() {
$tw.utils.setStyle(targetElement,[
{transition: "none"},
{marginBottom: ""}
]);
},duration);
// 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 " + duration + "ms " + easing + ", " +
"margin-bottom " + duration + "ms " + easing},
{marginBottom: currMarginBottom + "px"},
{opacity: "1.0"}
]);
};
ClassicStoryView.prototype.remove = function(widget) {
var targetElement = widget.findFirstDomNode(),
duration = $tw.utils.getAnimationDuration();
// Get the current height of the tiddler
var currWidth = targetElement.offsetWidth,
computedStyle = window.getComputedStyle(targetElement),
currMarginBottom = parseInt(computedStyle.marginBottom,10),
currMarginTop = parseInt(computedStyle.marginTop,10),
currHeight = targetElement.offsetHeight + currMarginTop;
// Remove the dom nodes of the widget at the end of the transition
setTimeout(function() {
widget.removeChildDomNodes();
},duration);
// 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") + " " + duration + "ms " + easing + ", " +
"opacity " + duration + "ms " + easing + ", " +
"margin-bottom " + duration + "ms " + easing},
{transform: "translateX(-" + currWidth + "px)"},
{marginBottom: (-currHeight) + "px"},
{opacity: "0.0"}
]);
};
exports.classic = ClassicStoryView;
})();