js/jquery/src/jquery-ui/jquery.ui.button.js

   1 /*!
   2  * jQuery UI Button @VERSION
   3  * http://jqueryui.com
   4  *
   5  * Copyright 2012 jQuery Foundation and other contributors
   6  * Released under the MIT license.
   7  * http://jquery.org/license
   8  *
   9  * http://api.jqueryui.com/button/
  10  *
  11  * Depends:
  12  *      jquery.ui.core.js
  13  *      jquery.ui.widget.js
  14  */
  15 (function( $, undefined ) {
  16
  17 var lastActive, startXPos, startYPos, clickDragged,
  18         baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
  19         stateClasses = "ui-state-hover ui-state-active ",
  20         typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
  21         formResetHandler = function() {
  22                 var buttons = $( this ).find( ":ui-button" );
  23                 setTimeout(function() {
  24                         buttons.button( "refresh" );
  25                 }, 1 );
  26         },
  27         radioGroup = function( radio ) {
  28                 var name = radio.name,
  29                         form = radio.form,
  30                         radios = $( [] );
  31                 if ( name ) {
  32                         if ( form ) {
  33                                 radios = $( form ).find( "[name='" + name + "']" );
  34                         } else {
  35                                 radios = $( "[name='" + name + "']", radio.ownerDocument )
  36                                         .filter(function() {
  37                                                 return !this.form;
  38                                         });
  39                         }
  40                 }
  41                 return radios;
  42         };
  43
  44 $.widget( "ui.button", {
  45         version: "@VERSION",
  46         defaultElement: "<button>",
  47         options: {
  48                 disabled: null,
  49                 text: true,
  50                 label: null,
  51                 icons: {
  52                         primary: null,
  53                         secondary: null
  54                 }
  55         },
  56         _create: function() {
  57                 this.element.closest( "form" )
  58                         .unbind( "reset" + this.eventNamespace )
  59                         .bind( "reset" + this.eventNamespace, formResetHandler );
  60
  61                 if ( typeof this.options.disabled !== "boolean" ) {
  62                         this.options.disabled = !!this.element.prop( "disabled" );
  63                 } else {
  64                         this.element.prop( "disabled", this.options.disabled );
  65                 }
  66
  67                 this._determineButtonType();
  68                 this.hasTitle = !!this.buttonElement.attr( "title" );
  69
  70                 var that = this,
  71                         options = this.options,
  72                         toggleButton = this.type === "checkbox" || this.type === "radio",
  73                         activeClass = !toggleButton ? "ui-state-active" : "",
  74                         focusClass = "ui-state-focus";
  75
  76                 if ( options.label === null ) {
  77                         options.label = (this.type === "input" ? this.buttonElement.val() : this.buttonElement.html());
  78                 }
  79
  80                 this._hoverable( this.buttonElement );
  81
  82                 this.buttonElement
  83                         .addClass( baseClasses )
  84                         .attr( "role", "button" )
  85                         .bind( "mouseenter" + this.eventNamespace, function() {
  86                                 if ( options.disabled ) {
  87                                         return;
  88                                 }
  89                                 if ( this === lastActive ) {
  90                                         $( this ).addClass( "ui-state-active" );
  91                                 }
  92                         })
  93                         .bind( "mouseleave" + this.eventNamespace, function() {
  94                                 if ( options.disabled ) {
  95                                         return;
  96                                 }
  97                                 $( this ).removeClass( activeClass );
  98                         })
  99                         .bind( "click" + this.eventNamespace, function( event ) {
 100                                 if ( options.disabled ) {
 101                                         event.preventDefault();
 102                                         event.stopImmediatePropagation();
 103                                 }
 104                         });
 105
 106                 this.element
 107                         .bind( "focus" + this.eventNamespace, function() {
 108                                 // no need to check disabled, focus won't be triggered anyway
 109                                 that.buttonElement.addClass( focusClass );
 110                         })
 111                         .bind( "blur" + this.eventNamespace, function() {
 112                                 that.buttonElement.removeClass( focusClass );
 113                         });
 114
 115                 if ( toggleButton ) {
 116                         this.element.bind( "change" + this.eventNamespace, function() {
 117                                 if ( clickDragged ) {
 118                                         return;
 119                                 }
 120                                 that.refresh();
 121                         });
 122                         // if mouse moves between mousedown and mouseup (drag) set clickDragged flag
 123                         // prevents issue where button state changes but checkbox/radio checked state
 124                         // does not in Firefox (see ticket #6970)
 125                         this.buttonElement
 126                                 .bind( "mousedown" + this.eventNamespace, function( event ) {
 127                                         if ( options.disabled ) {
 128                                                 return;
 129                                         }
 130                                         clickDragged = false;
 131                                         startXPos = event.pageX;
 132                                         startYPos = event.pageY;
 133                                 })
 134                                 .bind( "mouseup" + this.eventNamespace, function( event ) {
 135                                         if ( options.disabled ) {
 136                                                 return;
 137                                         }
 138                                         if ( startXPos !== event.pageX || startYPos !== event.pageY ) {
 139                                                 clickDragged = true;
 140                                         }
 141                         });
 142                 }
 143
 144                 if ( this.type === "checkbox" ) {
 145                         this.buttonElement.bind( "click" + this.eventNamespace, function() {
 146                                 if ( options.disabled || clickDragged ) {
 147                                         return false;
 148                                 }
 149                                 $( this ).toggleClass( "ui-state-active" );
 150                                 that.buttonElement.attr( "aria-pressed", that.element[0].checked );
 151                         });
 152                 } else if ( this.type === "radio" ) {
 153                         this.buttonElement.bind( "click" + this.eventNamespace, function() {
 154                                 if ( options.disabled || clickDragged ) {
 155                                         return false;
 156                                 }
 157                                 $( this ).addClass( "ui-state-active" );
 158                                 that.buttonElement.attr( "aria-pressed", "true" );
 159
 160                                 var radio = that.element[ 0 ];
 161                                 radioGroup( radio )
 162                                         .not( radio )
 163                                         .map(function() {
 164                                                 return $( this ).button( "widget" )[ 0 ];
 165                                         })
 166                                         .removeClass( "ui-state-active" )
 167                                         .attr( "aria-pressed", "false" );
 168                         });
 169                 } else {
 170                         this.buttonElement
 171                                 .bind( "mousedown" + this.eventNamespace, function() {
 172                                         if ( options.disabled ) {
 173                                                 return false;
 174                                         }
 175                                         $( this ).addClass( "ui-state-active" );
 176                                         lastActive = this;
 177                                         that.document.one( "mouseup", function() {
 178                                                 lastActive = null;
 179                                         });
 180                                 })
 181                                 .bind( "mouseup" + this.eventNamespace, function() {
 182                                         if ( options.disabled ) {
 183                                                 return false;
 184                                         }
 185                                         $( this ).removeClass( "ui-state-active" );
 186                                 })
 187                                 .bind( "keydown" + this.eventNamespace, function(event) {
 188                                         if ( options.disabled ) {
 189                                                 return false;
 190                                         }
 191                                         if ( event.keyCode === $.ui.keyCode.SPACE || event.keyCode === $.ui.keyCode.ENTER ) {
 192                                                 $( this ).addClass( "ui-state-active" );
 193                                         }
 194                                 })
 195                                 .bind( "keyup" + this.eventNamespace, function() {
 196                                         $( this ).removeClass( "ui-state-active" );
 197                                 });
 198
 199                         if ( this.buttonElement.is("a") ) {
 200                                 this.buttonElement.keyup(function(event) {
 201                                         if ( event.keyCode === $.ui.keyCode.SPACE ) {
 202                                                 // TODO pass through original event correctly (just as 2nd argument doesn't work)
 203                                                 $( this ).click();
 204                                         }
 205                                 });
 206                         }
 207                 }
 208
 209                 // TODO: pull out $.Widget's handling for the disabled option into
 210                 // $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
 211                 // be overridden by individual plugins
 212                 this._setOption( "disabled", options.disabled );
 213                 this._resetButton();
 214         },
 215
 216         _determineButtonType: function() {
 217                 var ancestor, labelSelector, checked;
 218
 219                 if ( this.element.is("[type=checkbox]") ) {
 220                         this.type = "checkbox";
 221                 } else if ( this.element.is("[type=radio]") ) {
 222                         this.type = "radio";
 223                 } else if ( this.element.is("input") ) {
 224                         this.type = "input";
 225                 } else {
 226                         this.type = "button";
 227                 }
 228
 229                 if ( this.type === "checkbox" || this.type === "radio" ) {
 230                         // we don't search against the document in case the element
 231                         // is disconnected from the DOM
 232                         ancestor = this.element.parents().last();
 233                         labelSelector = "label[for='" + this.element.attr("id") + "']";
 234                         this.buttonElement = ancestor.find( labelSelector );
 235                         if ( !this.buttonElement.length ) {
 236                                 ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
 237                                 this.buttonElement = ancestor.filter( labelSelector );
 238                                 if ( !this.buttonElement.length ) {
 239                                         this.buttonElement = ancestor.find( labelSelector );
 240                                 }
 241                         }
 242                         this.element.addClass( "ui-helper-hidden-accessible" );
 243
 244                         checked = this.element.is( ":checked" );
 245                         if ( checked ) {
 246                                 this.buttonElement.addClass( "ui-state-active" );
 247                         }
 248                         this.buttonElement.prop( "aria-pressed", checked );
 249                 } else {
 250                         this.buttonElement = this.element;
 251                 }
 252         },
 253
 254         widget: function() {
 255                 return this.buttonElement;
 256         },
 257
 258         _destroy: function() {
 259                 this.element
 260                         .removeClass( "ui-helper-hidden-accessible" );
 261                 this.buttonElement
 262                         .removeClass( baseClasses + " " + stateClasses + " " + typeClasses )
 263                         .removeAttr( "role" )
 264                         .removeAttr( "aria-pressed" )
 265                         .html( this.buttonElement.find(".ui-button-text").html() );
 266
 267                 if ( !this.hasTitle ) {
 268                         this.buttonElement.removeAttr( "title" );
 269                 }
 270         },
 271
 272         _setOption: function( key, value ) {
 273                 this._super( key, value );
 274                 if ( key === "disabled" ) {
 275                         if ( value ) {
 276                                 this.element.prop( "disabled", true );
 277                         } else {
 278                                 this.element.prop( "disabled", false );
 279                         }
 280                         return;
 281                 }
 282                 this._resetButton();
 283         },
 284
 285         refresh: function() {
 286                 //See #8237 & #8828
 287                 var isDisabled = this.element.is( "input, button" ) ? this.element.is( ":disabled" ) : this.element.hasClass( "ui-button-disabled" );
 288
 289                 if ( isDisabled !== this.options.disabled ) {
 290                         this._setOption( "disabled", isDisabled );
 291                 }
 292                 if ( this.type === "radio" ) {
 293                         radioGroup( this.element[0] ).each(function() {
 294                                 if ( $( this ).is( ":checked" ) ) {
 295                                         $( this ).button( "widget" )
 296                                                 .addClass( "ui-state-active" )
 297                                                 .attr( "aria-pressed", "true" );
 298                                 } else {
 299                                         $( this ).button( "widget" )
 300                                                 .removeClass( "ui-state-active" )
 301                                                 .attr( "aria-pressed", "false" );
 302                                 }
 303                         });
 304                 } else if ( this.type === "checkbox" ) {
 305                         if ( this.element.is( ":checked" ) ) {
 306                                 this.buttonElement
 307                                         .addClass( "ui-state-active" )
 308                                         .attr( "aria-pressed", "true" );
 309                         } else {
 310                                 this.buttonElement
 311                                         .removeClass( "ui-state-active" )
 312                                         .attr( "aria-pressed", "false" );
 313                         }
 314                 }
 315         },
 316
 317         _resetButton: function() {
 318                 if ( this.type === "input" ) {
 319                         if ( this.options.label ) {
 320                                 this.element.val( this.options.label );
 321                         }
 322                         return;
 323                 }
 324                 var buttonElement = this.buttonElement.removeClass( typeClasses ),
 325                         buttonText = $( "<span></span>", this.document[0] )
 326                                 .addClass( "ui-button-text" )
 327                                 .html( this.options.label )
 328                                 .appendTo( buttonElement.empty() )
 329                                 .text(),
 330                         icons = this.options.icons,
 331                         multipleIcons = icons.primary && icons.secondary,
 332                         buttonClasses = [];
 333
 334                 if ( icons.primary || icons.secondary ) {
 335                         if ( this.options.text ) {
 336                                 buttonClasses.push( "ui-button-text-icon" + ( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
 337                         }
 338
 339                         if ( icons.primary ) {
 340                                 buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
 341                         }
 342
 343                         if ( icons.secondary ) {
 344                                 buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
 345                         }
 346
 347                         if ( !this.options.text ) {
 348                                 buttonClasses.push( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" );
 349
 350                                 if ( !this.hasTitle ) {
 351                                         buttonElement.attr( "title", $.trim( buttonText ) );
 352                                 }
 353                         }
 354                 } else {
 355                         buttonClasses.push( "ui-button-text-only" );
 356                 }
 357                 buttonElement.addClass( buttonClasses.join( " " ) );
 358         }
 359 });
 360
 361 $.widget( "ui.buttonset", {
 362         version: "@VERSION",
 363         options: {
 364                 items: "button, input[type=button], input[type=submit], input[type=reset], input[type=checkbox], input[type=radio], a, :data(button)"
 365         },
 366
 367         _create: function() {
 368                 this.element.addClass( "ui-buttonset" );
 369         },
 370
 371         _init: function() {
 372                 this.refresh();
 373         },
 374
 375         _setOption: function( key, value ) {
 376                 if ( key === "disabled" ) {
 377                         this.buttons.button( "option", key, value );
 378                 }
 379
 380                 this._super( key, value );
 381         },
 382
 383         refresh: function() {
 384                 var rtl = this.element.css( "direction" ) === "rtl";
 385
 386                 this.buttons = this.element.find( this.options.items )
 387                         .filter( ":ui-button" )
 388                                 .button( "refresh" )
 389                         .end()
 390                         .not( ":ui-button" )
 391                                 .button()
 392                         .end()
 393                         .map(function() {
 394                                 return $( this ).button( "widget" )[ 0 ];
 395                         })
 396                                 .removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
 397                                 .filter( ":first" )
 398                                         .addClass( rtl ? "ui-corner-right" : "ui-corner-left" )
 399                                 .end()
 400                                 .filter( ":last" )
 401                                         .addClass( rtl ? "ui-corner-left" : "ui-corner-right" )
 402                                 .end()
 403                         .end();
 404         },
 405
 406         _destroy: function() {
 407                 this.element.removeClass( "ui-buttonset" );
 408                 this.buttons
 409                         .map(function() {
 410                                 return $( this ).button( "widget" )[ 0 ];
 411                         })
 412                                 .removeClass( "ui-corner-left ui-corner-right" )
 413                         .end()
 414                         .button( "destroy" );
 415         }
 416 });
 417
 418 }( jQuery ) );