136 lines
4.1 KiB
JavaScript
136 lines
4.1 KiB
JavaScript
/*\
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title: $:/core/modules/macros/list/listviews/cecily.js
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type: application/javascript
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module-type: listview
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Views the list through a 2D map
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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function CecilyListView(listMacro) {
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// The list macro we're attached to
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this.listMacro = listMacro;
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// Prepare the list frame
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var listFrame = this.listMacro.listFrame,
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listFrameDomNode = listFrame.domNode;
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// Position the initial list entries on the map
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this.loadMap();
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for(var t=0; t<listFrame.children.length; t++) {
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if(listFrame.children[t].listElementInfo) {
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var domNode = listFrame.children[t].domNode,
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title = listFrame.children[t].listElementInfo.title;
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domNode.style.position = "absolute";
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this.positionTiddler(title,domNode);
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}
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}
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}
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CecilyListView.prototype.getMapTiddlerTitle = function() {
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return this.listMacro.params.map || "$:/TiddlerMap";
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};
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CecilyListView.prototype.loadMap = function() {
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this.map = this.listMacro.wiki.getTiddlerData(this.getMapTiddlerTitle(),{
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positions: {},
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newTiddlerPosition: {x: 0, y: 0}
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});
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};
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CecilyListView.prototype.saveMap = function() {
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this.listMacro.wiki.setTiddlerData(this.getMapTiddlerTitle(),this.map);
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};
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// Get the position of a particular tiddler
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CecilyListView.prototype.lookupTiddlerInMap = function(title,domNode) {
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// First try looking it up in the map
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if(this.map.positions[title]) {
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return this.map.positions[title];
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}
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// If the tiddler wasn't in the map we'll have to compute it
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var newPosition;
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switch(this.map.positionNew) {
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default: // "right"
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newPosition = {
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x: this.map.newTiddlerPosition.x,
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y: this.map.newTiddlerPosition.y,
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w: 100,
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h: 100
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};
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this.map.newTiddlerPosition.x += newPosition.w * 1.2;
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break;
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}
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// A default position
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newPosition = newPosition || {x: 0,y: 0,w: 100,h: 100};
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// Save the position back to the map
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this.map.positions[title] = newPosition;
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this.saveMap();
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return newPosition;
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};
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CecilyListView.prototype.positionTiddler = function(title,domNode) {
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var pos = this.lookupTiddlerInMap(title,domNode),
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scale = pos.w/domNode.offsetWidth;
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domNode.setAttribute("data-tw-zoom",JSON.stringify(pos));
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$tw.utils.setStyle(domNode,[
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{transformOrigin: "0% 0%"},
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{transform: "translateX(" + pos.x + "px) translateY(" + pos.y + "px) scale(" + scale + ")"}
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]);
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};
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CecilyListView.prototype.navigateTo = function(historyInfo) {
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var listElementIndex = this.listMacro.findListElementByTitle(0,historyInfo.title),
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listElementNode = this.listMacro.listFrame.children[listElementIndex],
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targetElement = listElementNode.domNode;
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// Scroll the node into view
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var scrollEvent = document.createEvent("Event");
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scrollEvent.initEvent("tw-scroll",true,true);
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targetElement.dispatchEvent(scrollEvent);
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};
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CecilyListView.prototype.insert = function(index) {
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var listElementNode = this.listMacro.listFrame.children[index],
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targetElement = listElementNode.domNode;
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targetElement.style.position = "absolute";
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$tw.utils.setStyle(targetElement,[
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{transition: ""},
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{opacity: "0.0"}
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]);
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this.positionTiddler(listElementNode.listElementInfo.title,targetElement);
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$tw.utils.forceLayout(targetElement);
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$tw.utils.setStyle(targetElement,[
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{transition: "opacity " + $tw.config.preferences.animationDurationMs + " ease-out"},
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{opacity: "1.0"}
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]);
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};
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CecilyListView.prototype.remove = function(index) {
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var listElementNode = this.listMacro.listFrame.children[index],
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targetElement = listElementNode.domNode;
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// Attach an event handler for the end of the transition
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targetElement.addEventListener($tw.utils.convertEventName("transitionEnd"),function(event) {
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if(targetElement.parentNode) {
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targetElement.parentNode.removeChild(targetElement);
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}
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},false);
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// Animate the closure
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$tw.utils.setStyle(targetElement,[
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{transition: "opacity " + $tw.config.preferences.animationDurationMs + " ease-out"},
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{opacity: "1.0"}
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]);
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$tw.utils.forceLayout(targetElement);
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$tw.utils.setStyle(targetElement,[
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{opacity: "0.0"}
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]);
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// Returning true causes the DOM node not to be deleted
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return true;
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};
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exports.cecily = CecilyListView;
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})();
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