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   1  /*!
   2   * jQuery UI Button 1.9.2
   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: "1.9.2",
  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: "1.9.2",
 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 ) );