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https://github.com/Jermolene/TiddlyWiki5
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69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
/*\
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title: $:/core/modules/utils/dom/sprite.js
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type: application/javascript
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module-type: utils
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Animated sprites
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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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/*
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Create a sprite factory object
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*/
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var Sprite = function() {
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};
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/*
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Animates a sprite that moves from the source location to the destination.
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source: DOM element or {left:,top:,width:,height:} rectangle in viewport coordinates
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dest: DOM element or {left:,top:,width:,height:} rectangle in viewport coordinates
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content: content to be displayed in the sprite {text:,style:,class:}
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*/
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Sprite.prototype.fly = function(source,dest,content) {
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// Create the element
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var sprite = document.createElement("div");
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if(content.text) {
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sprite.appendChild(document.createTextNode(content.text));
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}
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if(content.style) {
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sprite.setAttribute("style",content.style);
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}
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if(content["class"]) {
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sprite["class"] = content["class"];
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}
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document.body.appendChild(sprite);
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// Set the initial position of the sprite
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var currWidth = sprite.offsetWidth,
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scale = source.width/currWidth;
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$tw.utils.setStyle(sprite,[
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{position: "fixed"},
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{top: "0px"},
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{left: "0px"},
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{transition: "none"},
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{transformOrigin: "0% 0%"},
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{transform: "translateX(" + source.left + "px) translateY(" + source.top + "px) scale(" + scale + ")"}
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]);
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// Set up a transition event handler to delete the sprite
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sprite.addEventListener($tw.utils.convertEventName("transitionEnd"),function(event) {
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sprite.parentNode.removeChild(sprite);
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},false);
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// Transition to its new position
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$tw.utils.forceLayout(sprite);
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scale = dest.width/currWidth;
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$tw.utils.setStyle(sprite,[
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{transition: $tw.utils.roundTripPropertyName("transform") + " " + $tw.config.preferences.animationDurationMs + " ease-in-out, "+
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"opacity " + $tw.config.preferences.animationDurationMs + " ease-out"},
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{transformOrigin: "0% 0%"},
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{transform: "translateX(" + dest.left + "px) translateY(" + dest.top + "px) scale(" + scale + ")"}
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]);
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};
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exports.Sprite = Sprite;
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})();
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