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TiddlyWiki5/core/modules/widgets/action-setfield.js

76 lines
2.0 KiB
JavaScript

/*\
title: $:/core/modules/widgets/action-setfield.js
type: application/javascript
module-type: widget
Action widget to set a single field or index on a tiddler.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var Widget = require("$:/core/modules/widgets/widget.js").widget;
var SetFieldWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
/*
Inherit from the base widget class
*/
SetFieldWidget.prototype = new Widget();
/*
Render this widget into the DOM
*/
SetFieldWidget.prototype.render = function(parent,nextSibling) {
this.computeAttributes();
this.execute();
};
/*
Compute the internal state of the widget
*/
SetFieldWidget.prototype.execute = function() {
this.actionTiddler = this.getAttribute("$tiddler") || (!this.hasParseTreeNodeAttribute("$tiddler") && this.getVariable("currentTiddler"));
this.actionField = this.getAttribute("$field");
this.actionIndex = this.getAttribute("$index");
this.actionValue = this.getAttribute("$value");
this.actionTimestamp = this.getAttribute("$timestamp","yes") === "yes";
};
/*
Refresh the widget by ensuring our attributes are up to date
*/
SetFieldWidget.prototype.refresh = function(changedTiddlers) {
// Nothing to refresh
return this.refreshChildren(changedTiddlers);
};
/*
Invoke the action associated with this widget
*/
SetFieldWidget.prototype.invokeAction = function(triggeringWidget,event) {
var self = this,
options = {};
if(this.actionTiddler) {
options.suppressTimestamp = !this.actionTimestamp;
if((typeof this.actionField == "string") || (typeof this.actionIndex == "string") || (typeof this.actionValue == "string")) {
this.wiki.setText(this.actionTiddler,this.actionField,this.actionIndex,this.actionValue,options);
}
$tw.utils.each(this.attributes,function(attribute,name) {
if(name.charAt(0) !== "$") {
self.wiki.setText(self.actionTiddler,name,undefined,attribute,options);
}
});
}
return true; // Action was invoked
};
exports["action-setfield"] = SetFieldWidget;
})();