Action create tiddler improvements (#4436)

* add a new-line before the log text to increase readability of the test output

* make eslint, jslint happy

* add $template and $overwrite parameter

* documentation for new parameters + 4 new examples

* remove unwanted files

core/modules/widgets/action-createtiddler.js

@@ -9,7 +9,7 @@ Action widget to create a new tiddler with a unique name and specified fields.
 (function(){
 
 /*jslint node: true, browser: true */
-/*global $tw: false */
+/*global $tw:false, require:false, exports:false */
 "use strict";
 
 var Widget = require("$:/core/modules/widgets/widget.js").widget;
@@ -36,9 +36,15 @@ Compute the internal state of the widget
 */
 CreateTiddlerWidget.prototype.execute = function() {
 	this.actionBaseTitle = this.getAttribute("$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");
+
 };
 
 /*
@@ -57,7 +63,7 @@ CreateTiddlerWidget.prototype.refresh = function(changedTiddlers) {
 Invoke the action associated with this widget
 */
 CreateTiddlerWidget.prototype.invokeAction = function(triggeringWidget,event) {
-	var title = this.wiki.generateNewTitle(this.actionBaseTitle),
+	var title = this.wiki.getTiddlerText("$:/language/DefaultNewTiddlerTitle"), // Get the initial new-tiddler title
 		fields = {},
 		creationFields,
 		modificationFields;
@@ -70,7 +76,22 @@ CreateTiddlerWidget.prototype.invokeAction = function(triggeringWidget,event) {
 		creationFields = this.wiki.getCreationFields();
 		modificationFields = this.wiki.getModificationFields();
 	}
-	var tiddler = this.wiki.addTiddler(new $tw.Tiddler(creationFields,fields,modificationFields,{title: title}));
+	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 use initial title
+		// DON'T overwrite any stuff
+		title = this.wiki.generateNewTitle(title);
+	}
+	var templateTiddler = this.wiki.getTiddler(this.actionTemplate) || {};
+	var tiddler = this.wiki.addTiddler(new $tw.Tiddler(templateTiddler.fields,creationFields,fields,modificationFields,{title: title}));
 	if(this.actionSaveTitle) {
 		this.wiki.setTextReference(this.actionSaveTitle,title,this.getVariable("currentTiddler"));
 	}

editions/tw5.com/tiddlers/ActionCreateTiddlerWidget Example 1.tid

@@ -0,0 +1,26 @@
+created: 20200131142401129
+modified: 20200131152023958
+tags: ActionCreateTiddlerWidget
+title: ActionCreateTiddlerWidget Example 1
+type: text/vnd.tiddlywiki
+
+\define testCreate()
+<$action-createtiddler />
+\end
+
+This example will create "New Tiddler", "New Tiddler 1", " New Tiddler 2" and so on
+
+```
+\define testCreate()
+<$action-createtiddler />
+\end
+
+<$button actions=<<testCreate>> >
+Create Tiddler
+</$button>
+```
+
+<$button actions=<<testCreate>> >
+<$action-setfield $tiddler="$:/state/tab/sidebar-1206596165" text="$:/core/ui/SideBar/Recent"/>
+Create Tiddler
+</$button> - Clicking this button, will also open the Right sidebar: Recent tab

editions/tw5.com/tiddlers/ActionCreateTiddlerWidget Example 2.tid

@@ -0,0 +1,28 @@
+created: 20200131144828713
+modified: 20200131152102232
+tags: ActionCreateTiddlerWidget
+title: ActionCreateTiddlerWidget Example 2
+type: text/vnd.tiddlywiki
+
+\define testCreate()
+<$action-createtiddler $basetitle={{$:/language/DefaultNewTiddlerTitle}} $overwrite="yes"/>
+\end
+
+This example will use the base title defined in [[$:/language/DefaultNewTiddlerTitle]]. 
+
+It will overwrite the tiddler, if the button is clicked several times.
+
+```
+\define testCreate()
+<$action-createtiddler $basetitle={{$:/language/DefaultNewTiddlerTitle}} $overwrite="yes"/>
+\end
+
+<$button actions=<<testCreate>> >
+Create Tiddler
+</$button>
+```
+
+<$button actions=<<testCreate>> >
+<$action-setfield $tiddler="$:/state/tab/sidebar-1206596165" text="$:/core/ui/SideBar/Recent"/>
+Create Tiddler
+</$button> - Clicking this button, will also open the Right sidebar: Recent tab

editions/tw5.com/tiddlers/ActionCreateTiddlerWidget Example 3.tid

@@ -0,0 +1,28 @@
+created: 20200131145355658
+modified: 20200131152045990
+tags: ActionCreateTiddlerWidget
+title: ActionCreateTiddlerWidget Example 3
+type: text/vnd.tiddlywiki
+
+\define testCreate()
+<$action-createtiddler $basetitle="base" $template="ActionCreateTiddlerWidget Template"/>
+\end
+
+This example will uses a base-title and a template: [[ActionCreateTiddlerWidget Template]]
+
+It will create: "base", "base 1", "base 2" and so on 
+
+```
+\define testCreate()
+<$action-createtiddler $basetitle="base" $template="ActionCreateTiddlerWidget Template"/>
+\end
+
+<$button actions=<<testCreate>> >
+Create Tiddler
+</$button>
+```
+
+<$button actions=<<testCreate>> >
+<$action-setfield $tiddler="$:/state/tab/sidebar-1206596165" text="$:/core/ui/SideBar/Recent"/>
+Create Tiddler
+</$button> - Clicking this button, will also open the Right sidebar: Recent tab

editions/tw5.com/tiddlers/ActionCreateTiddlerWidget Example 4.tid

@@ -0,0 +1,28 @@
+created: 20200131150229551
+modified: 20200131152051626
+tags: ActionCreateTiddlerWidget
+title: ActionCreateTiddlerWidget Example 4
+type: text/vnd.tiddlywiki
+
+\define testCreate()
+<$action-createtiddler $basetitle="base" $template="ActionCreateTiddlerWidget Template" aa="new field aa" bb="new field bb" />
+\end
+
+This example will uses a base-title: "base" and a template: [[ActionCreateTiddlerWidget Template]].
+
+There will be new fields "aa" and "bb" which are added to the new tiddlers.
+
+```
+\define testCreate()
+<$action-createtiddler $basetitle="base" $template="ActionCreateTiddlerWidget Template" aa="new field aa" bb="new field bb" />
+\end
+
+<$button actions=<<testCreate>> >
+Create Tiddler
+</$button>
+```
+
+<$button actions=<<testCreate>> >
+<$action-setfield $tiddler="$:/state/tab/sidebar-1206596165" text="$:/core/ui/SideBar/Recent"/>
+Create Tiddler
+</$button> - Clicking this button, will also open the Right sidebar: Recent tab

editions/tw5.com/tiddlers/ActionCreateTiddlerWidget Template.tid

@@ -0,0 +1,8 @@
+created: 20200131145608087
+modified: 20200131150801682
+tags: test
+title: ActionCreateTiddlerWidget Template
+type: text/vnd.tiddlywiki
+x: x
+
+This is a tiddler used as a template in: [[ActionCreateTiddlerWidget Example 3]]

editions/tw5.com/tiddlers/widgets/ActionCreateTiddlerWidget.tid

@@ -1,6 +1,6 @@
 caption: action-createtiddler
 created: 20161020152745942
-modified: 20190604113017742
+modified: 20200131151847266
 tags: Widgets ActionWidgets
 title: ActionCreateTiddlerWidget
 type: text/vnd.tiddlywiki
@@ -23,9 +23,38 @@ The ''action-createtiddler'' widget is invisible. Any content within it is ignor
 |$savetitle |A text reference identifying a field or index into which the title of the newly created tiddler will be stored after it is created |
 |$savedrafttitle |<<.from-version "5.1.20">> A text reference identifying a field or index into which the draft title associated with the newly created tiddler will be stored after it is created. This is useful when using a sequence of action widgets to create a new tiddler, put it into edit mode, and position it within the list of its parent tag |
 |$timestamp |Specifies whether the timestamp(s) of the target tiddler will be updated (''modified'' and ''modifier'', plus ''created'' and ''creator'' for newly created tiddlers). Can be "yes" (the default) or "no" |
+|$template |<<.from-version "5.1.22">>  The title of a template tiddler, that will be used to create a new tiddler |
+|$overwrite |<<.from-version "5.1.22">>  If set to "yes", it will overwrite existing tiddlers. ''Be careful!'' |
 |//{any attributes not starting with $}// |Each attribute name specifies a field to be created in the new tiddler  |
 
 ! Examples
 
-<$macrocall $name='wikitext-example-without-html'
-src={{ActionCreateTiddlerWidget Example}}/>
+<<<
+<$macrocall $name='wikitext-example-without-html' src={{ActionCreateTiddlerWidget Example}}/>
+<<<
+
+---
+
+<<<
+<$transclude tiddler="ActionCreateTiddlerWidget Example 1" mode=block/>
+<<<
+
+---
+
+<<<
+{{ActionCreateTiddlerWidget Example 2}}
+<<<
+
+---
+
+<<<
+{{ActionCreateTiddlerWidget Example 3}}
+<<<
+
+---
+
+<<<
+{{ActionCreateTiddlerWidget Example 4}}
+<<<
+
+