mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-27 02:20:28 +00:00
83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
|
/*\
|
||
|
|
title: $:/core/modules/widgets/tiddler.js
|
||
|
|
type: application/javascript
|
||
|
|
module-type: widget
|
||
|
|
|
||
|
|
The tiddler widget sets the current tiddler to a specified title.
|
||
|
|
|
||
|
|
Attributes:
|
||
|
|
title: the title of the current tiddler
|
||
|
|
class: CSS classes
|
||
|
|
|
||
|
|
|
||
|
|
\*/
|
||
|
|
(function(){
|
||
|
|
|
||
|
|
/*jslint node: true, browser: true */
|
||
|
|
/*global $tw: false */
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
var TiddlerWidget = function(renderer) {
|
||
|
|
// Save state
|
||
|
|
this.renderer = renderer;
|
||
|
|
// Generate child nodes
|
||
|
|
this.generate();
|
||
|
|
};
|
||
|
|
|
||
|
|
TiddlerWidget.prototype.generate = function() {
|
||
|
|
var self = this;
|
||
|
|
this.tiddlerTitle = this.renderer.getAttribute("title","");
|
||
|
|
// Set up the attributes for the wrapper element
|
||
|
|
var classes = ["tw-tiddler"];
|
||
|
|
if(this.renderer.hasAttribute("class")) {
|
||
|
|
$tw.utils.pushTop(classes,this.renderer.getAttribute("class").split(" "));
|
||
|
|
}
|
||
|
|
if(!this.renderer.renderTree.wiki.tiddlerExists(this.tiddlerTitle) && !this.renderer.renderTree.wiki.isShadowTiddler(this.tiddlerTitle)) {
|
||
|
|
$tw.utils.pushTop(classes,"tw-tiddler-missing");
|
||
|
|
}
|
||
|
|
// Save the context for this renderer node
|
||
|
|
this.renderer.context = {
|
||
|
|
tiddlerTitle: this.tiddlerTitle
|
||
|
|
};
|
||
|
|
// Initialise events
|
||
|
|
this.events = [];
|
||
|
|
// Trap and update tag modification events
|
||
|
|
this.events.push({name: "tw-remove-tag", handlerFunction: function(event) {
|
||
|
|
event.currentTag = self.tiddlerTitle;
|
||
|
|
return true;
|
||
|
|
}});
|
||
|
|
// Set the element
|
||
|
|
this.tag = this.renderer.parseTreeNode.isBlock ? "div" : "span";
|
||
|
|
this.attributes = {};
|
||
|
|
if(classes.length > 0) {
|
||
|
|
this.attributes["class"] = classes.join(" ");
|
||
|
|
}
|
||
|
|
this.children = this.renderer.renderTree.createRenderers(this.renderer,this.renderer.parseTreeNode.children);
|
||
|
|
};
|
||
|
|
|
||
|
|
TiddlerWidget.prototype.refreshInDom = function(changedAttributes,changedTiddlers) {
|
||
|
|
// Set the class for missing tiddlers
|
||
|
|
if(this.tiddlerTitle && changedTiddlers[this.tiddlerTitle]) {
|
||
|
|
$tw.utils.toggleClass(this.renderer.domNode,"tw-tiddler-missing",!this.renderer.renderTree.wiki.tiddlerExists(this.tiddlerTitle));
|
||
|
|
}
|
||
|
|
// Check if any of our attributes have changed, or if a tiddler we're interested in has changed
|
||
|
|
if(changedAttributes.title) {
|
||
|
|
// Regenerate and rerender the widget and replace the existing DOM node
|
||
|
|
this.generate();
|
||
|
|
var oldDomNode = this.renderer.domNode,
|
||
|
|
newDomNode = this.renderer.renderInDom();
|
||
|
|
oldDomNode.parentNode.replaceChild(newDomNode,oldDomNode);
|
||
|
|
} else {
|
||
|
|
// We don't need to refresh ourselves, so just refresh any child nodes
|
||
|
|
$tw.utils.each(this.children,function(node) {
|
||
|
|
if(node.refreshInDom) {
|
||
|
|
node.refreshInDom(changedTiddlers);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.tiddler = TiddlerWidget;
|
||
|
|
|
||
|
|
})();
|