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Update sendmessage widget to allow name/value parameters 

Using `$name` and `$value` attributes allows more flexibility in how
parameter names are specified, allowing parameter names that are not
valid attribute names.
This commit is contained in:
Jermolene 2015-05-18 22:15:23 +01:00
parent ccd0b30b5c
commit 9b4b9d4d88
2 changed files with 40 additions and 1 deletions
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8
core/modules/widgets/action-sendmessage.js
View File

@ -37,6 +37,8 @@ Compute the internal state of the widget
SendMessageWidget.prototype.execute = function() {
this.actionMessage = this.getAttribute("$message");
this.actionParam = this.getAttribute("$param");
this.actionName = this.getAttribute("$name");
this.actionValue = this.getAttribute("$value","");
};
/*
@ -44,7 +46,7 @@ Refresh the widget by ensuring our attributes are up to date
*/
SendMessageWidget.prototype.refresh = function(changedTiddlers) {
var changedAttributes = this.computeAttributes();
if(changedAttributes["$message"] || changedAttributes["$param"]) {
if(Object.keys(changedAttributes).length) {
this.refreshSelf();
return true;
}
@ -66,6 +68,10 @@ SendMessageWidget.prototype.invokeAction = function(triggeringWidget,event) {
count++;
}
});
// Add name/value pair if present
if(this.actionName) {
paramObject[this.actionName] = this.actionValue;
}
// Dispatch the message
this.dispatchEvent({
type: this.actionMessage,

33
editions/prerelease/tiddlers/ActionSendMessageWidget.tid Normal file
View File

@ -0,0 +1,33 @@
caption: action-sendmessage
created: 20141008134309742
modified: 20150518210909583
tags: Widgets ActionWidgets
title: ActionSendMessageWidget
type: text/vnd.tiddlywiki
! Introduction
The ''action-sendmessage'' widget is an [[action widget|ActionWidgets]] that sends a [[message|WidgetMessages]] back up the widget tree. ActionWidgets are used within triggering widgets such as the ButtonWidget.
! Content and Attributes
The ''action-sendmessage'' widget is invisible. Any content within it is ignored.
|!Attribute |!Description |
|$message |The message to send (eg, [[WidgetMessage: tm-new-tiddler]]) |
|$param |Optional parameter string whose meaning is dependent on the message being sent |
|$name |Optional name of additional parameter |
|$value |Value for optional parameter whose name is specified in `$name` |
|//{any attributes not starting with $}// |Multiple additional, optional named parameters that are attached to the message |
! Examples
Here is an example of button that displays both a notification and a wizard, and creates a new tiddler with tags and text:
<$macrocall $name='wikitext-example-without-html'
src='<$button>
<$action-sendmessage $message="tm-modal" $param="SampleWizard"/>
<$action-sendmessage $message="tm-notify" $param="SampleNotification"/>
<$action-sendmessage $message="tm-new-tiddler" title="This is newly created tiddler" tags="OneTag [[Another Tag]]" text=<<now "Today is DDth, MMM YYYY">>/>
Click me!
</$button>'/>