kendo.mobile.button.js 12.1 KB
/** 
 * Kendo UI v2016.1.112 (http://www.telerik.com/kendo-ui)                                                                                                                                               
 * Copyright 2016 Telerik AD. All rights reserved.                                                                                                                                                      
 *                                                                                                                                                                                                      
 * Kendo UI commercial licenses may be obtained at                                                                                                                                                      
 * http://www.telerik.com/purchase/license-agreement/kendo-ui-complete                                                                                                                                  
 * If you do not own a commercial license, this file shall be governed by the trial license terms.                                                                                                      
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       
                                                                                                                                                                                                       

*/
(function (f, define) {
    define('kendo.mobile.button', ['kendo.userevents'], f);
}(function () {
    var __meta__ = {
        id: 'mobile.button',
        name: 'Button',
        category: 'mobile',
        description: 'The Button widget navigates between mobile Application views when pressed.',
        depends: ['userevents']
    };
    (function ($, undefined) {
        var kendo = window.kendo, mobile = kendo.mobile, ui = mobile.ui, Widget = ui.Widget, support = kendo.support, os = support.mobileOS, ANDROID3UP = os.android && os.flatVersion >= 300, CLICK = 'click', DISABLED = 'disabled', DISABLEDSTATE = 'km-state-disabled';
        function highlightButton(widget, event, highlight) {
            $(event.target).closest('.km-button,.km-detail').toggleClass('km-state-active', highlight);
            if (ANDROID3UP && widget.deactivateTimeoutID) {
                clearTimeout(widget.deactivateTimeoutID);
                widget.deactivateTimeoutID = 0;
            }
        }
        function createBadge(value) {
            return $('<span class="km-badge">' + value + '</span>');
        }
        var Button = Widget.extend({
            init: function (element, options) {
                var that = this;
                Widget.fn.init.call(that, element, options);
                var useTap = that.options.clickOn === 'up';
                that._wrap();
                that._style();
                if (!useTap) {
                    that.element.attr('data-navigate-on-press', true);
                }
                that.options.enable = that.options.enable && !that.element.attr(DISABLED);
                that.enable(that.options.enable);
                that._userEvents = new kendo.UserEvents(that.element, {
                    allowSelection: !useTap,
                    fastTap: true,
                    press: function (e) {
                        that._activate(e);
                    },
                    release: function (e) {
                        highlightButton(that, e, false);
                        if (!useTap) {
                            e.event.stopPropagation();
                        }
                    }
                });
                that._userEvents.bind(useTap ? 'tap' : 'press', function (e) {
                    that._release(e);
                });
                if (ANDROID3UP) {
                    that.element.on('move', function (e) {
                        that._timeoutDeactivate(e);
                    });
                }
            },
            destroy: function () {
                Widget.fn.destroy.call(this);
                this._userEvents.destroy();
            },
            events: [CLICK],
            options: {
                name: 'Button',
                icon: '',
                style: '',
                badge: '',
                clickOn: 'up',
                enable: true
            },
            badge: function (value) {
                var badge = this.badgeElement = this.badgeElement || createBadge(value).appendTo(this.element);
                if (value || value === 0) {
                    badge.html(value);
                    return this;
                }
                if (value === false) {
                    badge.empty().remove();
                    this.badgeElement = false;
                    return this;
                }
                return badge.html();
            },
            enable: function (enable) {
                var element = this.element;
                if (typeof enable == 'undefined') {
                    enable = true;
                }
                this.options.enable = enable;
                if (enable) {
                    element.removeAttr(DISABLED);
                } else {
                    element.attr(DISABLED, DISABLED);
                }
                element.toggleClass(DISABLEDSTATE, !enable);
            },
            _timeoutDeactivate: function (e) {
                if (!this.deactivateTimeoutID) {
                    this.deactivateTimeoutID = setTimeout(highlightButton, 500, this, e, false);
                }
            },
            _activate: function (e) {
                var activeElement = document.activeElement, nodeName = activeElement ? activeElement.nodeName : '';
                if (this.options.enable) {
                    highlightButton(this, e, true);
                    if (nodeName == 'INPUT' || nodeName == 'TEXTAREA') {
                        activeElement.blur();
                    }
                }
            },
            _release: function (e) {
                var that = this;
                if (e.which > 1) {
                    return;
                }
                if (!that.options.enable) {
                    e.preventDefault();
                    return;
                }
                if (that.trigger(CLICK, {
                        target: $(e.target),
                        button: that.element
                    })) {
                    e.preventDefault();
                }
            },
            _style: function () {
                var style = this.options.style, element = this.element, styles;
                if (style) {
                    styles = style.split(' ');
                    $.each(styles, function () {
                        element.addClass('km-' + this);
                    });
                }
            },
            _wrap: function () {
                var that = this, icon = that.options.icon, badge = that.options.badge, iconSpan = '<span class="km-icon km-' + icon, element = that.element.addClass('km-button'), span = element.children('span:not(.km-icon)').addClass('km-text'), image = element.find('img').addClass('km-image');
                if (!span[0] && element.html()) {
                    span = element.wrapInner('<span class="km-text" />').children('span.km-text');
                }
                if (!image[0] && icon) {
                    if (!span[0]) {
                        iconSpan += ' km-notext';
                    }
                    that.iconElement = element.prepend($(iconSpan + '" />'));
                }
                if (badge || badge === 0) {
                    that.badgeElement = createBadge(badge).appendTo(element);
                }
            }
        });
        var BackButton = Button.extend({
            options: {
                name: 'BackButton',
                style: 'back'
            },
            init: function (element, options) {
                var that = this;
                Button.fn.init.call(that, element, options);
                if (typeof that.element.attr('href') === 'undefined') {
                    that.element.attr('href', '#:back');
                }
            }
        });
        var DetailButton = Button.extend({
            options: {
                name: 'DetailButton',
                style: ''
            },
            init: function (element, options) {
                Button.fn.init.call(this, element, options);
            },
            _style: function () {
                var style = this.options.style + ' detail', element = this.element;
                if (style) {
                    var styles = style.split(' ');
                    $.each(styles, function () {
                        element.addClass('km-' + this);
                    });
                }
            },
            _wrap: function () {
                var that = this, icon = that.options.icon, iconSpan = '<span class="km-icon km-' + icon, element = that.element, span = element.children('span'), image = element.find('img').addClass('km-image');
                if (!image[0] && icon) {
                    if (!span[0]) {
                        iconSpan += ' km-notext';
                    }
                    element.prepend($(iconSpan + '" />'));
                }
            }
        });
        ui.plugin(Button);
        ui.plugin(BackButton);
        ui.plugin(DetailButton);
    }(window.kendo.jQuery));
    return window.kendo;
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
    (a3 || a2)();
}));