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Merge "Prevent scrolling in top-level window while dialog is open"

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jenkins-bot 2013-06-06 23:55:35 +00:00 committed by Gerrit Code Review
parent bf05782972 f1d481ff64
commit 991f61a451
1 changed files with 54 additions and 2 deletions
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56
modules/ve/ui/ve.ui.Dialog.js
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@ -22,6 +22,8 @@ ve.ui.Dialog = function VeUiDialog( surface, config ) {
// Properties // Properties
this.visible = false; this.visible = false;
this.onWindowMouseWheelHandler = ve.bind( this.onWindowMouseWheel, this );
this.onDocumentKeyDownHandler = ve.bind( this.onDocumentKeyDown, this );
// Initialization // Initialization
this.$.addClass( 've-ui-dialog' ); this.$.addClass( 've-ui-dialog' );
@ -52,11 +54,58 @@ ve.ui.Dialog.prototype.onApplyButtonClick = function () {
this.close( 'apply' ); this.close( 'apply' );
}; };
/**
* Handle window mouse wheel events.
*
* @method
* @param {jQuery.Event} e Mouse wheel event
*/
ve.ui.Dialog.prototype.onWindowMouseWheel = function () {
return false;
};
/**
* Handle document key down events.
*
* @method
* @param {jQuery.Event} e Key down event
*/
ve.ui.Dialog.prototype.onDocumentKeyDown = function ( e ) {
switch ( e.which ) {
case ve.Keys.PAGEUP:
case ve.Keys.PAGEDOWN:
case ve.Keys.END:
case ve.Keys.HOME:
case ve.Keys.LEFT:
case ve.Keys.UP:
case ve.Keys.RIGHT:
case ve.Keys.DOWN:
// Prevent any key events that might cause scrolling
return false;
}
};
/**
* Open window.
*
* Wraps the parent open method. Disables native top-level window scrolling behavior.
*
* @method
* @emits setup
* @emits open
*/
ve.ui.Dialog.prototype.open = function () {
ve.ui.Window.prototype.open.call( this );
// Prevent scrolling in top-level window
$( window ).on( 'mousewheel', this.onWindowMouseWheelHandler );
$( document ).on( 'keydown', this.onDocumentKeyDownHandler );
};
/** /**
* Close dialog. * Close dialog.
* *
* This method overrides the parent close method to allow animation, but still provides the same * Wraps the parent close method. Allows animation by delaying parent close call, while still
* recursion blocking and eventually calls the parent method. * providing the same recursion blocking. Restores native top-level window scrolling behavior.
* *
* @method * @method
* @param {boolean} action Action that caused the window to be closed * @param {boolean} action Action that caused the window to be closed
@ -69,6 +118,9 @@ ve.ui.Dialog.prototype.close = function ( action ) {
ve.ui.Window.prototype.close.call( this, action ); ve.ui.Window.prototype.close.call( this, action );
this.$.removeClass( 've-ui-dialog-closing' ); this.$.removeClass( 've-ui-dialog-closing' );
}, this ), 250 ); }, this ), 250 );
// Allow scrolling in top-level window
$( window ).off( 'mousewheel', this.onWindowMouseWheelHandler );
$( document ).off( 'keydown', this.onDocumentKeyDownHandler );
} }
}; };