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