META-INF.resources.primefaces.forms.forms.selectonebutton.js Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of primefaces Show documentation

PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.

There is a newer version: 14.0.0-RC3

Show newest version

/**
 * PrimeFaces SelectOneButton Widget
 */
PrimeFaces.widget.SelectOneButton = PrimeFaces.widget.BaseWidget.extend({

    init: function(cfg) {
        this._super(cfg);

        this.buttons = this.jq.children('div:not(.ui-state-disabled)');
        this.inputs = this.jq.find(':radio:not(:disabled)');
        this.cfg.unselectable = this.cfg.unselectable === false ? false : true;

        this.bindEvents();

        //pfs metadata
        this.inputs.data(PrimeFaces.CLIENT_ID_DATA, this.id);
    },

    bindEvents: function() {
        var $this = this;

        this.buttons.on('mouseover', function() {
            var button = $(this);
            button.addClass('ui-state-hover');
        })
        .on('mouseout', function() {
            $(this).removeClass('ui-state-hover');
        })
        .on('click', function() {
            var button = $(this),
            radio = button.children(':radio');

            if(button.hasClass('ui-state-active') || radio.prop('checked')) {
                $this.unselect(button);
            }
            else {
                $this.select(button);
            }
        });

        /* For keyboard accessibility */
        this.buttons.on('focus.selectOneButton', function(){
            var button = $(this);
            button.addClass('ui-state-focus');
        })
        .on('blur.selectOneButton', function(){
            var button = $(this);
            button.removeClass('ui-state-focus');
        })
        .on('keydown.selectOneButton', function(e) {
            var keyCode = $.ui.keyCode,
            key = e.which;

            if(key === keyCode.SPACE || key === keyCode.ENTER || key === keyCode.NUMPAD_ENTER) {
                var button = $(this),
                radio = button.children(':radio');

                if(radio.prop('checked')) {
                    $this.unselect(button);
                }
                else {
                    $this.select(button);
                }
                e.preventDefault();
            }
        });
    },

    select: function(button) {
        this.buttons.filter('.ui-state-active').removeClass('ui-state-active ui-state-hover').children(':radio').prop('checked', false);

        button.addClass('ui-state-active').children(':radio').prop('checked', true);

        this.triggerChange();
    },

    unselect: function(button) {
        if(this.cfg.unselectable) {
            button.removeClass('ui-state-active ui-state-hover').children(':radio').prop('checked', false).change();

            this.triggerChange();
        }
    },

    triggerChange: function() {
        if(this.cfg.change) {
            this.cfg.change.call(this);
        }

        if(this.hasBehavior('change')) {
            var changeBehavior = this.cfg.behaviors['change'];
            if(changeBehavior) {
                changeBehavior.call(this);
            }
        }
    },
    
    disable: function() {
        this.buttons.removeClass('ui-state-hover ui-state-focus ui-state-active')
                .addClass('ui-state-disabled').attr('disabled', 'disabled');
    },

    enable: function() {
        this.buttons.removeClass('ui-state-disabled').removeAttr('disabled');
    }

});