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Code Issues Releases Wiki Activity

action-setfield shouldn't write to the current tiddler if the $tiddler attribute is present but has evaluated to a missing attribute 

Fixes #5916
This commit is contained in:
Jeremy Ruston 2022-04-16 18:02:27 +01:00 committed by GitHub
parent eb0b2a8d8e
commit fd0b985ac5
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 63 additions and 15 deletions
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26
core/modules/widgets/action-setfield.js
View File

@ -35,7 +35,7 @@ SetFieldWidget.prototype.render = function(parent,nextSibling) {
Compute the internal state of the widget
*/
SetFieldWidget.prototype.execute = function() {
this.actionTiddler = this.getAttribute("$tiddler",this.getVariable("currentTiddler"));
this.actionTiddler = this.getAttribute("$tiddler") || (!this.hasParseTreeNodeAttribute("$tiddler") && this.getVariable("currentTiddler"));
this.actionField = this.getAttribute("$field");
this.actionIndex = this.getAttribute("$index");
this.actionValue = this.getAttribute("$value");
@ -46,11 +46,7 @@ SetFieldWidget.prototype.execute = function() {
Refresh the widget by ensuring our attributes are up to date
*/
SetFieldWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if(changedAttributes["$tiddler"] || changedAttributes["$field"] || changedAttributes["$index"] || changedAttributes["$value"]) {
this.refreshSelf();
return true;
}
// Nothing to refresh
return this.refreshChildren(changedTiddlers);
};
@ -60,15 +56,17 @@ Invoke the action associated with this widget
SetFieldWidget.prototype.invokeAction = function(triggeringWidget,event) {
var self = this,
options = {};
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);
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
};

9
core/modules/widgets/widget.js
View File

@ -289,12 +289,19 @@ Widget.prototype.computeAttribute = function(attribute) {
};
/*
Check for the presence of an attribute
Check for the presence of an evaluated attribute on the widget. Note that attributes set to a missing variable (ie attr=<<missing>>) will be treated as missing
*/
Widget.prototype.hasAttribute = function(name) {
return $tw.utils.hop(this.attributes,name);
};
/*
Check for the presence of a raw attribute on the widget parse tree node. Note that attributes set to a missing variable (ie attr=<<missing>>) will NOT be treated as missing
*/
Widget.prototype.hasParseTreeNodeAttribute = function(name) {
return $tw.utils.hop(this.parseTreeNode.attributes,name);
};
/*
Get the value of an attribute
*/

43
editions/test/tiddlers/tests/test-action-widgets.js
View File

@ -36,6 +36,49 @@ function setupWiki(wikiOptions) {
};
}
it("should handle the action-setfield widget", function() {
var info = setupWiki();
var invokeActions = function(actions) {
info.widgetNode.invokeActionString(actions,info.widgetNode,null,{});
};
var resetTiddlers = function() {
info.wiki.addTiddlers([
{
title: "Output",
text: "Elephants!"
},{
title: "Root",
text: "Eagles!"
}
]);
};
// Start with a reset
resetTiddlers();
// Check it
expect(info.wiki.getTiddlerText("Output")).toBe("Elephants!");
expect(info.wiki.getTiddlerText("Root")).toBe("Eagles!");
// Missing $tiddler attribute
resetTiddlers();
invokeActions("<$tiddler tiddler='Root'><$action-setfield $field='text' $value='Hippos!'/></$tiddler>");
expect(info.wiki.getTiddlerText("Output")).toBe("Elephants!");
expect(info.wiki.getTiddlerText("Root")).toBe("Hippos!");
// Blank $tiddler attribute
resetTiddlers();
invokeActions("<$tiddler tiddler='Root'><$action-setfield $tiddler='' $field='text' $value='Koalas!'/></$tiddler>");
expect(info.wiki.getTiddlerText("Output")).toBe("Elephants!");
expect(info.wiki.getTiddlerText("Root")).toBe("Eagles!");
// Empty $tiddler attribute
resetTiddlers();
invokeActions("<$tiddler tiddler='Root'><$action-setfield $tiddler={{{}}} $field='text' $value='Sharks!'/></$tiddler>");
expect(info.wiki.getTiddlerText("Output")).toBe("Elephants!");
expect(info.wiki.getTiddlerText("Root")).toBe("Eagles!");
// Missing variable attribute
resetTiddlers();
invokeActions("<$tiddler tiddler='Root'><$action-setfield $tiddler=<<missing>> $field='text' $value='Tigers!'/></$tiddler>");
expect(info.wiki.getTiddlerText("Output")).toBe("Elephants!");
expect(info.wiki.getTiddlerText("Root")).toBe("Eagles!");
});
it("should handle the action-listops widget", function() {
var info = setupWiki();
var invokeActions = function(actions) {