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TiddlyWiki5/core/modules/utils/dom/animations/slide.js

114 lines
3.1 KiB
JavaScript

/*\
title: $:/core/modules/utils/dom/animations/slide.js
type: application/javascript
module-type: animation
A simple slide animation that varies the height of the element
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
function slideOpen(domNode,options) {
var duration = $tw.utils.getAnimationDuration();
// Get the current height of the domNode
var computedStyle = window.getComputedStyle(domNode),
currMarginBottom = parseInt(computedStyle.marginBottom,10),
currMarginTop = parseInt(computedStyle.marginTop,10),
currPaddingBottom = parseInt(computedStyle.paddingBottom,10),
currPaddingTop = parseInt(computedStyle.paddingTop,10),
currHeight = domNode.offsetHeight;
// Reset the margin once the transition is over
setTimeout(function() {
$tw.utils.setStyle(domNode,[
{transition: "none"},
{marginBottom: ""},
{marginTop: ""},
{paddingBottom: ""},
{paddingTop: ""},
{height: "auto"},
{opacity: ""}
]);
if(options.callback) {
options.callback();
}
},duration);
// Set up the initial position of the element
$tw.utils.setStyle(domNode,[
{transition: "none"},
{marginTop: "0px"},
{marginBottom: "0px"},
{paddingTop: "0px"},
{paddingBottom: "0px"},
{height: "0px"},
{opacity: "0"}
]);
$tw.utils.forceLayout(domNode);
// Transition to the final position
$tw.utils.setStyle(domNode,[
{transition: "margin-top " + duration + "ms ease-in-out, " +
"margin-bottom " + duration + "ms ease-in-out, " +
"padding-top " + duration + "ms ease-in-out, " +
"padding-bottom " + duration + "ms ease-in-out, " +
"height " + duration + "ms ease-in-out, " +
"opacity " + duration + "ms ease-in-out"},
{marginBottom: currMarginBottom + "px"},
{marginTop: currMarginTop + "px"},
{paddingBottom: currPaddingBottom + "px"},
{paddingTop: currPaddingTop + "px"},
{height: currHeight + "px"},
{opacity: "1"}
]);
}
function slideClosed(domNode,options) {
var duration = $tw.utils.getAnimationDuration(),
currHeight = domNode.offsetHeight;
// Clear the properties we've set when the animation is over
setTimeout(function() {
$tw.utils.setStyle(domNode,[
{transition: "none"},
{marginBottom: ""},
{marginTop: ""},
{paddingBottom: ""},
{paddingTop: ""},
{height: "auto"},
{opacity: ""}
]);
if(options.callback) {
options.callback();
}
},duration);
// Set up the initial position of the element
$tw.utils.setStyle(domNode,[
{height: currHeight + "px"},
{opacity: "1"}
]);
$tw.utils.forceLayout(domNode);
// Transition to the final position
$tw.utils.setStyle(domNode,[
{transition: "margin-top " + duration + "ms ease-in-out, " +
"margin-bottom " + duration + "ms ease-in-out, " +
"padding-top " + duration + "ms ease-in-out, " +
"padding-bottom " + duration + "ms ease-in-out, " +
"height " + duration + "ms ease-in-out, " +
"opacity " + duration + "ms ease-in-out"},
{marginTop: "0px"},
{marginBottom: "0px"},
{paddingTop: "0px"},
{paddingBottom: "0px"},
{height: "0px"},
{opacity: "0"}
]);
}
exports.slide = {
open: slideOpen,
close: slideClosed
};
})();