mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-29 03:20:27 +00:00
8564602256
Get rid of the separate renderContext stack and instead have a parent pointer on renderer nodes. This lets us walk back up the render tree to resolve context references
112 lines
3.1 KiB
JavaScript
112 lines
3.1 KiB
JavaScript
/*\
|
|
title: $:/core/modules/widget/checkbox.js
|
|
type: application/javascript
|
|
module-type: widget
|
|
|
|
Implements the checkbox widget.
|
|
|
|
```
|
|
<$checkbox tag="done"/>
|
|
|
|
<$checkbox tiddler="HelloThere" tag="red"/>
|
|
|
|
<$checkbox tag="done">
|
|
<$view title/>
|
|
</$checkbox>
|
|
```
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
var CheckboxWidget = function(renderer) {
|
|
// Save state
|
|
this.renderer = renderer;
|
|
// Generate child nodes
|
|
this.generate();
|
|
};
|
|
|
|
CheckboxWidget.prototype.generate = function() {
|
|
// Get the parameters from the attributes
|
|
this.tiddlerTitle = this.renderer.getAttribute("tiddler",this.renderer.tiddlerTitle);
|
|
this.tagName = this.renderer.getAttribute("tag");
|
|
this["class"] = this.renderer.getAttribute("class");
|
|
// Compute classes
|
|
var classes = ["tw-checkbox"];
|
|
if(this["class"]) {
|
|
$tw.utils.pushTop(classes,this["class"]);
|
|
}
|
|
// Create the checkbox and span elements
|
|
var nodeCheckbox = {
|
|
type: "element",
|
|
tag: "input",
|
|
attributes: {
|
|
type: {type: "string", value: "checkbox"}
|
|
}
|
|
},
|
|
nodeSpan = {
|
|
type: "element",
|
|
tag: "span",
|
|
children: this.renderer.parseTreeNode.children
|
|
};
|
|
// Set the state of the checkbox
|
|
if(this.getValue()) {
|
|
$tw.utils.addAttributeToParseTreeNode(nodeCheckbox,"checked","true");
|
|
}
|
|
// Set the return element
|
|
this.tag = "label";
|
|
this.attributes ={"class": classes.join(" ")};
|
|
this.children = this.renderer.renderTree.createRenderers(this.renderer,[nodeCheckbox,nodeSpan]);
|
|
this.events = [{name: "change", handlerObject: this, handlerMethod: "handleChangeEvent"}];
|
|
};
|
|
|
|
CheckboxWidget.prototype.getValue = function() {
|
|
var tiddler = this.renderer.renderTree.wiki.getTiddler(this.tiddlerTitle);
|
|
return tiddler ? tiddler.hasTag(this.tagName) : false;
|
|
};
|
|
|
|
CheckboxWidget.prototype.handleChangeEvent = function(event) {
|
|
var checked = this.children[0].domNode.checked,
|
|
tiddler = this.renderer.renderTree.wiki.getTiddler(this.tiddlerTitle);
|
|
if(tiddler && tiddler.hasTag(this.tagName) !== checked) {
|
|
var newTags = tiddler.fields.tags.slice(0),
|
|
pos = newTags.indexOf(this.tagName);
|
|
if(pos !== -1) {
|
|
newTags.splice(pos,1);
|
|
}
|
|
if(checked) {
|
|
newTags.push(this.tagName);
|
|
}
|
|
this.renderer.renderTree.wiki.addTiddler(new $tw.Tiddler(tiddler,{tags: newTags}));
|
|
}
|
|
};
|
|
|
|
CheckboxWidget.prototype.refreshInDom = function(changedAttributes,changedTiddlers) {
|
|
// Check if any of our attributes have changed, or if a tiddler we're interested in has changed
|
|
if(changedAttributes.tiddler || changedAttributes.tag || changedAttributes["class"]) {
|
|
// 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 {
|
|
// Update the checkbox if necessary
|
|
if(changedTiddlers[this.tiddlerTitle]) {
|
|
this.children[0].domNode.checked = this.getValue();
|
|
}
|
|
// Refresh children
|
|
$tw.utils.each(this.children,function(node) {
|
|
if(node.refreshInDom) {
|
|
node.refreshInDom(changedTiddlers);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
exports.checkbox = CheckboxWidget;
|
|
|
|
})();
|