# all files / src/widgets/ CheckboxMultioptionWidget.js

70% Statements 21/30
8.33% Branches 1/12
66.67% Functions 4/6
70% Lines 21/30

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88
    89
    90
    91
    92
    93
    94
    95
    96
    97
    98
    99
    100
    101
    102
    103
    104

    1×

    520×

    520×

    520×

    520×
    520×

    520×

    1×

    1×

    1×
    520×

    1×
    3120×
    3120×
    3120×

    1×
    1040×
    1040×
    1040×

    1×

    1×

     /**
     * CheckboxMultioptionWidget is an option widget that looks like a checkbox.
     * The class is used with OO.ui.CheckboxMultiselectWidget to create a selection of checkbox options.
     * Please see the [OOjs UI documentation on MediaWiki] [1] for more information.
     *
     * [1]: https://www.mediawiki.org/wiki/OOjs_UI/Widgets/Selects_and_Options#Button_selects_and_option
     *
     * @class
     * @extends OO.ui.MultioptionWidget
     *
     * @constructor
     * @param {Object} [config] Configuration options
     */
    OO.ui.CheckboxMultioptionWidget = function OoUiCheckboxMultioptionWidget( config ) {
    	// Configuration initialization
    	config = config || {};

    	// Properties (must be done before parent constructor which calls #setDisabled)
    	this.checkbox = new OO.ui.CheckboxInputWidget();

    	// Parent constructor
    	OO.ui.CheckboxMultioptionWidget.parent.call( this, config );

    	// Events
    	this.checkbox.on( 'change', this.onCheckboxChange.bind( this ) );
    	this.$element.on( 'keydown', this.onKeyDown.bind( this ) );

    	// Initialization
    	this.$element
    		.addClass( 'oo-ui-checkboxMultioptionWidget' )
    		.prepend( this.checkbox.$element );
    };

    /* Setup */

    OO.inheritClass( OO.ui.CheckboxMultioptionWidget, OO.ui.MultioptionWidget );

    /* Static Properties */

    /**
     * @static
     * @inheritdoc
     */
    OO.ui.CheckboxMultioptionWidget.static.tagName = 'label';

    /* Methods */

    /**
     * Handle checkbox selected state change.
     *
     * @private
     */
    OO.ui.CheckboxMultioptionWidget.prototype.onCheckboxChange = function () {
    	this.setSelected( this.checkbox.isSelected() );
    };

    /**
     * @inheritdoc
     */
    OO.ui.CheckboxMultioptionWidget.prototype.setSelected = function ( state ) {
    	OO.ui.CheckboxMultioptionWidget.parent.prototype.setSelected.call( this, state );
    	this.checkbox.setSelected( state );
    	return this;
    };

    /**
     * @inheritdoc
     */
    OO.ui.CheckboxMultioptionWidget.prototype.setDisabled = function ( disabled ) {
    	OO.ui.CheckboxMultioptionWidget.parent.prototype.setDisabled.call( this, disabled );
    	this.checkbox.setDisabled( this.isDisabled() );
    	return this;
    };

    /**
     * Focus the widget.
     */
    OO.ui.CheckboxMultioptionWidget.prototype.focus = function () {
    	this.checkbox.focus();
    };

    /**
     * Handle key down events.
     *
     * @protected
     * @param {jQuery.Event} e
     */
    OO.ui.CheckboxMultioptionWidget.prototype.onKeyDown = function ( e ) {
    	var
    		element = this.getElementGroup(),
    		nextItem;

    	if ( e.keyCode === OO.ui.Keys.LEFT || e.keyCode === OO.ui.Keys.UP ) {
    		nextItem = element.getRelativeFocusableItem( this, -1 );
    	} else if ( e.keyCode === OO.ui.Keys.RIGHT || e.keyCode === OO.ui.Keys.DOWN ) {
    		nextItem = element.getRelativeFocusableItem( this, 1 );
    	}

    	if ( nextItem ) {
    		e.preventDefault();
    		nextItem.focus();
    	}
    };