mediawiki-extensions-Visual.../modules/ve/ui/tools/ve.ui.ButtonTool.js
Ed Sanders 069b757afc Implement fallback langauges
Return an array of languages instead of a single language. Languages
containing hyphens return themselves along with the root code e.g.
'en-GB' => ['en-GB', 'en']

Change-Id: I840b689d0021d865f93d16d075473a2ed0a9f0d8
2013-08-20 20:12:46 +00:00

144 lines
3 KiB
JavaScript

/*!
* VisualEditor UserInterface ButtonTool class.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* UserInterface button tool.
*
* @class
* @abstract
* @extends ve.ui.Tool
*
* @constructor
* @param {ve.ui.Toolbar} toolbar
* @param {Object} [config] Config options
*/
ve.ui.ButtonTool = function VeUiButtonTool( toolbar, config ) {
var i, len,
icon = this.constructor.static.icon,
langs = ve.init.platform.getUserLanguages();
// Parent constructor
ve.ui.Tool.call( this, toolbar, config );
// Properties
this.active = false;
this.$icon = this.$$( '<span>' );
// Events
this.$.on( {
'mousedown': ve.bind( this.onMouseDown, this ),
'mouseup': ve.bind( this.onMouseUp, this )
} );
// Initialization
this.$icon.addClass( 've-ui-buttonTool-icon' );
if ( icon ) {
if ( ve.isPlainObject( icon ) ) {
langs.push( 'default' );
for ( i = 0, len = langs.length; i < len; i++ ) {
if ( langs[i] in icon ) {
icon = icon[langs[i]];
break;
}
}
}
this.$icon.addClass( 've-ui-icon-' + icon );
}
this.$.addClass( 've-ui-buttonTool' ).append( this.$icon );
};
/* Inheritance */
ve.inheritClass( ve.ui.ButtonTool, ve.ui.Tool );
/* Static Properties */
/**
* Symbolic name of icon.
*
* Value should be the unique portion of an icon CSS class name, such as 'up' for 've-ui-icon-up'.
*
* For i18n purposes, this property can be an object containing a `default` icon name property and
* additional icon names keyed by language code.
*
* Example of i18n icon definition:
* { 'default': 'bold-a', 'en': 'bold-b', 'de': 'bold-f' }
*
* @abstract
* @static
* @property {string|Object}
* @inheritable
*/
ve.ui.ButtonTool.static.icon = '';
ve.ui.ButtonTool.static.tagName = 'a';
/* Methods */
/**
* Handle the mouse button being pressed.
*
* @method
* @param {jQuery.Event} e Mouse down event
*/
ve.ui.ButtonTool.prototype.onMouseDown = function ( e ) {
if ( e.which === 1 ) {
return false;
}
};
/**
* Handle the mouse button being released.
*
* @method
* @param {jQuery.Event} e Mouse up event
*/
ve.ui.ButtonTool.prototype.onMouseUp = function ( e ) {
if ( e.which === 1 && !this.disabled ) {
return this.onClick( e );
}
};
/**
* Handle the button being clicked.
*
* This is an abstract method that must be overridden in a concrete subclass.
*
* @abstract
* @method
*/
ve.ui.ButtonTool.prototype.onClick = function () {
throw new Error(
've.ui.ButtonTool.onClick not implemented in this subclass: ' + this.constructor
);
};
/**
* Check if the button is active.
*
* @method
* @param {boolean} Button is active
*/
ve.ui.ButtonTool.prototype.isActive = function () {
return this.active;
};
/**
* Make the button appear active or inactive.
*
* @method
* @param {boolean} state Make button appear active
*/
ve.ui.ButtonTool.prototype.setActive = function ( state ) {
this.active = !!state;
if ( this.active ) {
this.$.addClass( 've-ui-buttonTool-active' );
} else {
this.$.removeClass( 've-ui-buttonTool-active' );
}
};