src/widgets/tabbar/js/jquery.mobile.tizen.tabbar.js

   1 /* ***************************************************************************
   2  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  * ***************************************************************************
  22  *
  23  * jQuery Mobile Framework : "tabbar" plugin
  24  * Copyright (c) jQuery Project
  25  * Dual licensed under the MIT or GPL Version 2 licenses.
  26  * http://jquery.org/license
  27  * Authors: Jinhyuk Jun <jinhyuk.jun@samsung.com>
  28 */
  29
  30 /**
  31  *  Tabbar can be created using data-role = "tabbar" inside footer
  32  *  Framework determine which tabbar will display with tabbar attribute
  33  *
  34  * Examples:
  35  *
  36  *     HTML markup for creating tabbar: ( 2 ~ 5 li item available )
  37  *     icon can be changed data-icon attribute (customized icon need)
  38  *         <div data-role="footer" data-position ="fixed">
  39  *              <div data-role="tabbar">
  40  *                     <ul>
  41  *                            <li><a href="#" class="ui-btn-active">Menu</a></li>
  42  *                            <li><a href="#">Save</a></li>
  43  *                            <li><a href="#">Share</a></li>
  44  *                     </ul>
  45  *             </div>
  46  *      </div>
  47 */
  48
  49 (function ( $, undefined ) {
  50
  51         $.widget( "tizen.tabbar", $.mobile.widget, {
  52                 options: {
  53                         iconpos: "top",
  54                         grid: null,
  55                         defaultList : 4,
  56                         initSelector: ":jqmData(role='tabbar')"
  57                 },
  58
  59                 _create: function () {
  60
  61                         var $tabbar = this.element,
  62                                 $tabbtns,
  63                                 textpos,
  64                                 iconpos,
  65                                 theme = $.mobile.listview.prototype.options.theme,      /* Get current theme */
  66                                 ww = window.innerWidth || $( window ).width(),
  67                                 wh = window.innerHeight || $( window ).height(),
  68                                 tabbarDividerLeft = "<div class='ui-tabbar-divider ui-tabbar-divider-left'></div>",
  69                                 tabbarDividerRight = "<div class='ui-tabbar-divider ui-tabbar-divider-right'></div>",
  70                                 isScrollingStart = false,
  71                                 isScrollingEnd = false,
  72                                 isLandscape;
  73
  74                         isLandscape = ww > wh && ( ww - wh );
  75
  76                         if ( isLandscape ) {
  77                                 $tabbar.removeClass( "ui-portrait-tabbar" ).addClass( "ui-landscape-tabbar" );
  78                         } else {
  79                                 $tabbar.removeClass( "ui-landscape-tabbar" ).addClass( "ui-portrait-tabbar" );
  80                         }
  81
  82                         if ( $tabbar.find( "a" ).length ) {
  83                                 $tabbtns = $tabbar.find( "a" );
  84                                 iconpos = $tabbtns.filter( ":jqmData(icon)" ).length ? this.options.iconpos : undefined;
  85                                 textpos = $tabbtns.html().length ? true : false;
  86                         }
  87
  88                         if ( $tabbar.parents( ".ui-header" ).length && $tabbar.parents( ".ui-scrollview-view" ).length ) {
  89                                 $tabbar.find( "li" ).addClass( "tabbar-scroll-li" );
  90                                 $tabbar.find( "ul" ).addClass( "tabbar-scroll-ul" );
  91
  92                                 /* add shadow divider */
  93                                 $( tabbarDividerLeft ).appendTo( $tabbar.parents( ".ui-scrollview-clip" ) );
  94                                 $( tabbarDividerRight ).appendTo( $tabbar.parents( ".ui-scrollview-clip" ) );
  95
  96                                 $( ".ui-tabbar-divider-left" ).hide();
  97                                 $( ".ui-tabbar-divider-right" ).hide();
  98
  99                                 /* add width calculation*/
 100                                 if ( $tabbar.parents( ".ui-scrollview-view" ).data("default-list") ) {
 101                                         this.options.defaultList = $tabbar.parents( ".ui-scrollview-view" ).data( "default-list" );
 102                                 }
 103                                 $tabbar.find( "li" ).css( "width", window.innerWidth / this.options.defaultList + "px" );
 104                         } else {
 105                                 if ( $tabbar.find( "ul" ).children().length ) {
 106                                         $tabbar.addClass( "ui-navbar" )
 107                                                 .find( "ul" )
 108                                                 .grid( { grid: this.options.grid } );
 109                                 }
 110                         }
 111
 112                         if ( $tabbar.parents( ".ui-footer" ).length  ) {
 113                                 $tabbar.find( "li" ).addClass( "ui-tab-btn-style" );
 114                         }
 115
 116                         /* title tabbar */
 117                         if ( $tabbar.siblings( ".ui-title" ).length ) {
 118                                 $tabbar.parents( ".ui-header" ).addClass( "ui-title-tabbar" );
 119                         }
 120
 121                         if ( !iconpos ) {
 122                                 $tabbar.addClass( "ui-tabbar-noicons" );
 123                         }
 124                         if ( !textpos ) {
 125                                 $tabbar.addClass( "ui-tabbar-notext" );
 126                         }
 127                         if ( textpos && iconpos ) {
 128                                 $tabbar.parents( ".ui-header" ).addClass( "ui-title-tabbar-multiline" );
 129                         }
 130
 131                         if ( $tabbar.find( "a" ).length ) {
 132                                 $tabbtns.buttonMarkup({
 133                                         corners:        false,
 134                                         shadow:         false,
 135                                         iconpos:        iconpos
 136                                 });
 137                         }
 138
 139                         if ( $tabbar.find( ".ui-state-persist" ).length ) {
 140                                 $tabbar.addClass( "ui-tabbar-persist" );
 141                         }
 142
 143                         $tabbar.delegate( "a", "vclick", function ( event ) {
 144                                 $tabbtns.not( ".ui-state-persist" ).removeClass( $.mobile.activeBtnClass );
 145                                 $( this ).addClass( $.mobile.activeBtnClass );
 146                         });
 147
 148                         $tabbar.addClass( "ui-tabbar");
 149
 150                         $( document ).bind( "pagebeforeshow", function ( event, ui ) {
 151                                 var footer_filter = $( event.target ).find( ":jqmData(role='footer')" ),
 152                                         tabbar_filter = footer_filter.find( ":jqmData(role='tabbar')" ),
 153                                         $elFooterMore = tabbar_filter.siblings( ":jqmData(icon='naviframe-more')" ),
 154                                         $elFooterBack = tabbar_filter.siblings( ".ui-btn-back" );
 155
 156                                         footer_filter
 157                                                 .css( "position", "fixed" )
 158                                                 .css( "bottom", 0 )
 159                                                 .css( "height", tabbar_filter.height() );
 160                                         if ( $elFooterMore.length )
 161                                                 tabbar_filter.addClass( "ui-tabbar-margin-more" );
 162                                         if ( $elFooterBack.length )
 163                                                 tabbar_filter.addClass( "ui-tabbar-margin-back" );
 164
 165                                 isScrollingStart = false;
 166                         });
 167
 168                         $( window ).bind( "tabbar.scrollstart", function ( e ) {
 169                                 if ( $( e.target ).find( ".ui-tabbar" ).length ) {
 170                                         isScrollingStart = true;
 171                                         isScrollingEnd = false;
 172                                 }
 173                         });
 174
 175                         $( window ).bind( "tabbar.scrollstop", function ( e ) {
 176                                 var $tabbarScrollview = $( e.target ),
 177                                         $minElement = $tabbar.find( "li" ).eq( 0 ),
 178                                         minElementIndexVal = Math.abs( $tabbar.find( "li" ).eq( 0 ).offset().left ),
 179                                         minElementIndex = -1;
 180
 181                                 isScrollingEnd = true;
 182                                 if ( $( e.target ).find( ".ui-tabbar" ).length && isScrollingStart == true ) {
 183                                         $tabbar.find( "li" ).each( function ( i ) {
 184                                                 var offset      = $tabbar.find( "li" ).eq( i ).offset();
 185                                                 if ( Math.abs( offset.left ) < minElementIndexVal ) {
 186                                                         minElementIndexVal = Math.abs( offset.left );
 187                                                         minElementIndex = i;
 188                                                         $minElement = $tabbar.find( "li" ).eq( i );
 189                                                 }
 190                                         });
 191
 192                                         if ( $tabbarScrollview.length && isScrollingStart == isScrollingEnd && minElementIndex != -1) {
 193                                                 isScrollingStart = false;
 194                                                 isScrolling = false;
 195                                                 $tabbarScrollview.scrollview( "scrollTo", -( window.innerWidth / $( e.target ).find( ".ui-tabbar" ).data( "defaultList" ) * minElementIndex ) , 0, 357);
 196                                         }
 197                                 }
 198
 199                                 $( ".ui-tabbar-divider-left" ).hide();
 200                                 $( ".ui-tabbar-divider-right" ).hide();
 201                         });
 202
 203                         $tabbar.bind( "touchstart vmousedown", function ( e ) {
 204                                 var $tabbarScroll = $( e.target ).parents( ".ui-scrollview-view" );
 205                                 if ( $tabbarScroll.offset() ) {
 206                                         $tabbarScroll.offset().left < 0 ?
 207                                                 $( ".ui-tabbar-divider-left" ).show() : $( ".ui-tabbar-divider-left" ).hide();
 208                                         ( $tabbarScroll.width() - $tabbarScroll.parents( ".ui-scrollview-clip" ).width() ) ==  Math.abs( $tabbarScroll.offset().left ) ?
 209                                                 $( ".ui-tabbar-divider-right" ).hide() : $( ".ui-tabbar-divider-right" ).show();
 210                                 }
 211                         });
 212
 213                         this._bindTabbarEvents();
 214                 },
 215
 216                 _bindTabbarEvents: function () {
 217                         var $tabbar = this.element;
 218
 219                         $( window ).bind( "orientationchange", function ( e, ui ) {
 220                                 var ww = window.innerWidth || $( window ).width(),
 221                                         wh = window.innerHeight || $( window ).height(),
 222                                         isLandscape = ww > wh && ( ww - wh );
 223
 224                                 if ( isLandscape ) {
 225                                         $tabbar.removeClass( "ui-portrait-tabbar" ).addClass( "ui-landscape-tabbar" );
 226                                 } else {
 227                                         $tabbar.removeClass( "ui-landscape-tabbar" ).addClass( "ui-portrait-tabbar" );
 228                                 }
 229                         });
 230                 },
 231
 232                 _setDisabled: function ( value, cnt ) {
 233                         this.element.find( "li" ).eq( cnt ).attr( "disabled", value );
 234                         this.element.find( "li" ).eq( cnt ).attr( "aria-disabled", value );
 235                 },
 236
 237                 disable: function ( cnt ) {
 238                         this._setDisabled( true, cnt );
 239                         this.element.find( "li" ).eq( cnt ).addClass( "ui-disabled" );
 240                 },
 241
 242                 enable: function ( cnt ) {
 243                         this._setDisabled( false, cnt );
 244                         this.element.find( "li" ).eq( cnt ).removeClass( "ui-disabled" );
 245                 }
 246         });
 247
 248         //auto self-init widgets
 249         $( document ).bind( "pagecreate create", function ( e ) {
 250                 $( $.tizen.tabbar.prototype.options.initSelector, e.target ).tabbar();
 251         });
 252 }( jQuery ) );