TiddlyWiki5/core/modules/storyviews/pop.js

115 lines
3.3 KiB
JavaScript

/*\
title: $:/core/modules/storyviews/pop.js
type: application/javascript
module-type: storyview
Animates list insertions and removals
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var PopStoryView = function(listWidget) {
this.listWidget = listWidget;
};
PopStoryView.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();
// If anchor is provided, find the element the anchor pointing to
var foundAnchor = false;
if(listItemWidget && historyInfo.anchor) {
var anchorWidget = $tw.utils.findChildNodeInTree(listItemWidget, function(widget) {
return widget.anchorId === historyInfo.anchor;
});
if(anchorWidget) {
targetElement = anchorWidget.findAnchorTargetDomNode()
foundAnchor = true;
}
}
// Abandon if the list entry isn't a DOM element (it might be a text node)
if(!targetElement || targetElement.nodeType === Node.TEXT_NODE) {
return;
}
// Scroll the node into view
this.listWidget.dispatchEvent({type: "tm-scroll", target: targetElement, highlight: foundAnchor});
};
PopStoryView.prototype.insert = function(widget) {
var targetElement = widget.findFirstDomNode(),
duration = $tw.utils.getAnimationDuration();
// Abandon if the list entry isn't a DOM element (it might be a text node)
if(!targetElement || targetElement.nodeType === Node.TEXT_NODE) {
return;
}
// Reset once the transition is over
setTimeout(function() {
$tw.utils.setStyle(targetElement,[
{transition: "none"},
{transform: "none"}
]);
$tw.utils.setStyle(widget.document.body,[
{"overflow-x": ""}
]);
},duration);
// Prevent the page from overscrolling due to the zoom factor
$tw.utils.setStyle(widget.document.body,[
{"overflow-x": "hidden"}
]);
// Set up the initial position of the element
$tw.utils.setStyle(targetElement,[
{transition: "none"},
{transform: "scale(2)"},
{opacity: "0.0"}
]);
$tw.utils.forceLayout(targetElement);
// Transition to the final position
$tw.utils.setStyle(targetElement,[
{transition: $tw.utils.roundTripPropertyName("transform") + " " + duration + "ms ease-in-out, " +
"opacity " + duration + "ms ease-in-out"},
{transform: "scale(1)"},
{opacity: "1.0"}
]);
};
PopStoryView.prototype.remove = function(widget) {
var targetElement = widget.findFirstDomNode(),
duration = $tw.utils.getAnimationDuration(),
removeElement = function() {
if(targetElement && targetElement.parentNode) {
widget.removeChildDomNodes();
}
};
// Abandon if the list entry isn't a DOM element (it might be a text node)
if(!targetElement || targetElement.nodeType === Node.TEXT_NODE) {
removeElement();
return;
}
// Remove the element at the end of the transition
setTimeout(removeElement,duration);
// Animate the closure
$tw.utils.setStyle(targetElement,[
{transition: "none"},
{transform: "scale(1)"},
{opacity: "1.0"}
]);
$tw.utils.forceLayout(targetElement);
$tw.utils.setStyle(targetElement,[
{transition: $tw.utils.roundTripPropertyName("transform") + " " + duration + "ms ease-in-out, " +
"opacity " + duration + "ms ease-in-out"},
{transform: "scale(0.1)"},
{opacity: "0.0"}
]);
};
exports.pop = PopStoryView;
})();