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

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/*\
title: $:/core/modules/widgets/action-createtiddler.js
type: application/javascript
module-type: widget
Action widget to create a new tiddler with a unique name and specified fields.
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw:false, require:false, exports:false */
"use strict";
var Widget = require("$:/core/modules/widgets/widget.js").widget;
var CreateTiddlerWidget = function(parseTreeNode,options) {
this.initialise(parseTreeNode,options);
};
/*
Inherit from the base widget class
*/
CreateTiddlerWidget.prototype = new Widget();
/*
Render this widget into the DOM
*/
CreateTiddlerWidget.prototype.render = function(parent,nextSibling) {
this.parentDomNode = parent;
this.computeAttributes();
this.execute();
// Render children
this.renderChildren(parent,nextSibling);
};
/*
Compute the internal state of the widget
*/
CreateTiddlerWidget.prototype.execute = function() {
this.actionBaseTitle = this.getAttribute("$basetitle");
this.hasBase = !!this.actionBaseTitle;
this.actionSaveTitle = this.getAttribute("$savetitle");
this.actionSaveDraftTitle = this.getAttribute("$savedrafttitle");
this.actionTimestamp = this.getAttribute("$timestamp","yes") === "yes";
//Following params are new since 5.1.22
this.actionTemplate = this.getAttribute("$template");
this.useTemplate = !!this.actionTemplate;
this.actionOverwrite = this.getAttribute("$overwrite","no");
// Construct the child widgets
this.makeChildWidgets();
};
/*
Refresh the widget by ensuring our attributes are up to date
*/
CreateTiddlerWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if($tw.utils.count(changedAttributes) > 0) {
this.refreshSelf();
return true;
}
return this.refreshChildren(changedTiddlers);
};
/*
Invoke the action associated with this widget
*/
CreateTiddlerWidget.prototype.invokeAction = function(triggeringWidget,event) {
var title = this.wiki.getTiddlerText("$:/language/DefaultNewTiddlerTitle"), // Get the initial new-tiddler title
fields = {},
creationFields,
modificationFields;
$tw.utils.each(this.attributes,function(attribute,name) {
if(name.charAt(0) !== "$") {
fields[name] = attribute;
}
});
if(this.actionTimestamp) {
creationFields = this.wiki.getCreationFields();
modificationFields = this.wiki.getModificationFields();
}
if(this.hasBase && this.actionOverwrite === "no") {
title = this.wiki.generateNewTitle(this.actionBaseTitle);
} else if (this.hasBase && this.actionOverwrite === "yes") {
title = this.actionBaseTitle
}
// NO $basetitle BUT $template parameter is available
// the title MUST be unique, otherwise the template would be overwritten
if (!this.hasBase && this.useTemplate) {
title = this.wiki.generateNewTitle(this.actionTemplate);
} else if (!this.hasBase && !this.useTemplate) {
// If no $basetitle and no $template then use initial title
title = this.wiki.generateNewTitle(title);
}
var templateTiddler = this.wiki.getTiddler(this.actionTemplate) || {};
this.wiki.addTiddler(new $tw.Tiddler(templateTiddler.fields,creationFields,fields,modificationFields,{title: title}));
var draftTitle = this.wiki.generateDraftTitle(title);
if(this.actionSaveTitle) {
this.wiki.setTextReference(this.actionSaveTitle,title,this.getVariable("currentTiddler"));
}
if(this.actionSaveDraftTitle) {
this.wiki.setTextReference(this.actionSaveDraftTitle,draftTitle,this.getVariable("currentTiddler"));
}
this.setVariable("createTiddler-title",title);
this.setVariable("createTiddler-draftTitle",draftTitle);
this.refreshChildren();
return true; // Action was invoked
};
exports["action-createtiddler"] = CreateTiddlerWidget;
})();