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Disable inserting/changing references when surface widget is empty

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This listens to change events on the surface and checks to see if
there is more than just an empty paragraph node.

Bug: 53345
Change-Id: Ic8fa84d7cdcbffd154178939d0ec8c2c4f86c415
This commit is contained in:
Ed Sanders 2013-08-27 16:29:55 -07:00
parent 92c7be9b31
commit f50102f521
2 changed files with 18 additions and 3 deletions
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15
modules/ve-mw/ui/dialogs/ve.ui.MWReferenceDialog.js
View file

@ -342,6 +342,9 @@ ve.ui.MWReferenceDialog.prototype.useReference = function ( ref ) {
}
);
// Event handlers
this.referenceSurface.getSurface().getModel().connect( this, { 'change': 'onSurfaceChange' } );
// Initialization
this.referenceGroupInput.setValue( refGroup );
this.contentFieldset.$.append( this.referenceSurface.$ );
@ -350,6 +353,18 @@ ve.ui.MWReferenceDialog.prototype.useReference = function ( ref ) {
return this;
};
/**
* Handle reference surface change events
*/
ve.ui.MWReferenceDialog.prototype.onSurfaceChange = function () {
var data = this.referenceSurface.getContent(),
// TODO: Check for other types of empty, e.g. only whitespace?
disabled = data.length <= 2;
this.insertButton.setDisabled( disabled );
this.applyButton.setDisabled( disabled );
};
/* Registration */
ve.ui.dialogFactory.register( 'mwReference', ve.ui.MWReferenceDialog );

6
modules/ve/ui/ve.ui.Widget.js
View file

@ -59,11 +59,11 @@ ve.ui.Widget.prototype.isDisabled = function () {
* This should probably change the widgets's appearance and prevent it from being used.
*
* @method
* @param {boolean} state Disable button
* @param {boolean} disabled Disable button
* @chainable
*/
ve.ui.Widget.prototype.setDisabled = function ( state ) {
this.disabled = !!state;
ve.ui.Widget.prototype.setDisabled = function ( disabled ) {
this.disabled = !!disabled;
if ( this.disabled ) {
this.$.addClass( 've-ui-widget-disabled' );
} else {