TiddlyWiki5/plugins/tiddlywiki/cecily/cecily.js

146 wiersze
4.0 KiB
JavaScript

/*\
title: $:/plugins/tiddlywiki/cecily/cecily.js
type: application/javascript
module-type: storyview
Positions tiddlers on a 2D map
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var CecilyStoryView = function(listWidget) {
var self = this;
this.listWidget = listWidget;
// Load the map
this.loadMap();
// Position the existing tiddlers
$tw.utils.each(this.listWidget.children,function(itemWidget,index) {
var domNode = itemWidget.findFirstDomNode();
domNode.style.position = "absolute";
var title = itemWidget.parseTreeNode.itemTitle;
self.positionTiddler(title,domNode);
});
};
CecilyStoryView.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();
// Scroll the node into view
this.listWidget.dispatchEvent({type: "tw-scroll", target: targetElement});
};
CecilyStoryView.prototype.insert = function(widget) {
var domNode = widget.findFirstDomNode(),
duration = $tw.utils.getAnimationDuration();
// Make the newly inserted node position absolute
$tw.utils.setStyle(domNode,[
{position: "absolute"},
{transition: ""},
{opacity: "0.0"}
]);
// Position it
var title = widget.parseTreeNode.itemTitle;
this.positionTiddler(title,domNode);
$tw.utils.forceLayout(domNode);
// Animate it in
$tw.utils.setStyle(domNode,[
{transition: "opacity " + duration + "ms ease-out"},
{opacity: "1.0"}
]);
};
CecilyStoryView.prototype.remove = function(widget) {
var targetElement = widget.findFirstDomNode(),
duration = $tw.utils.getAnimationDuration();
// Remove the widget at the end of the transition
setTimeout(function() {
widget.removeChildDomNodes();
},duration);
// Animate the closure
$tw.utils.setStyle(targetElement,[
{transition: "none"},
{opacity: "1.0"}
]);
$tw.utils.forceLayout(targetElement);
$tw.utils.setStyle(targetElement,[
{transition: $tw.utils.roundTripPropertyName("transform") + " " + duration + "ms ease-in-out, " +
"opacity " + duration + "ms ease-in-out"},
{transform: "scale(0.01)"},
{opacity: "0.0"}
]);
};
/*
Load the current map
*/
CecilyStoryView.prototype.loadMap = function() {
this.map = this.listWidget.wiki.getTiddlerData(this.getMapTiddlerTitle(),{
positions: {},
newTiddlerPosition: {x: 0, y: 0},
width: 660
});
};
CecilyStoryView.prototype.getMapTiddlerTitle = function() {
return this.listWidget.getAttribute("map","$:/TiddlerMap");
};
/*
Position a tiddler according to the map
*/
CecilyStoryView.prototype.positionTiddler = function(title,domNode) {
var pos = this.lookupTiddlerInMap(title,domNode),
scale = pos.w/domNode.offsetWidth;
$tw.utils.setStyle(domNode,[
{width: this.map.width + "px"},
{transformOrigin: "0% 0%"},
{transform: "translateX(" + pos.x + "px) translateY(" + pos.y + "px) scale(" + scale + ")"}
]);
};
// Get the position of a particular tiddler
CecilyStoryView.prototype.lookupTiddlerInMap = function(title,domNode) {
// If this is a draft tiddler then look for the position of the original tiddler
var tiddler = this.listWidget.wiki.getTiddler(title);
if(tiddler) {
var draftOf = tiddler.fields["draft.of"];
if(draftOf && this.map.positions[draftOf]) {
return this.map.positions[draftOf]
}
}
// Try looking the target tiddler up in the map
if(this.map.positions[title]) {
return this.map.positions[title];
}
// If the tiddler wasn't in the map we'll have to compute it
var newPosition;
switch(this.map.positionNew) {
default: // "right"
newPosition = {
x: this.map.newTiddlerPosition.x,
y: this.map.newTiddlerPosition.y,
w: 200,
h: 200
};
this.map.newTiddlerPosition.x += newPosition.w * 1.1;
break;
}
// A default position
newPosition = newPosition || {x: 0,y: 0,w: 100,h: 100};
// Save the position back to the map
this.map.positions[title] = newPosition;
return newPosition;
};
exports.cecily = CecilyStoryView;
})();