jquery.selectBox.js
1092 lines
| 1 | /* |
| 2 | * jQuery selectBox - A cosmetic, styleable replacement for SELECT elements |
| 3 | * |
| 4 | * Licensed under the MIT license: http://opensource.org/licenses/MIT |
| 5 | * |
| 6 | * v1.2.0 |
| 7 | * |
| 8 | * https://github.com/marcj/jquery-selectBox |
| 9 | */ |
| 10 | ;(function ($) { |
| 11 | |
| 12 | /** |
| 13 | * SelectBox class. |
| 14 | * |
| 15 | * @param {HTMLElement|jQuery} select If it's a jQuery object, we use the first element. |
| 16 | * @param {Object} options |
| 17 | * @constructor |
| 18 | */ |
| 19 | var SelectBox = this.SelectBox = function (select, options) { |
| 20 | if (select instanceof jQuery) { |
| 21 | if (select.length > 0) { |
| 22 | select = select[0]; |
| 23 | } else { |
| 24 | return; |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | this.typeTimer = null; |
| 29 | this.typeSearch = ''; |
| 30 | this.isMac = navigator.platform.match(/mac/i); |
| 31 | options = 'object' === typeof options ? options : {}; |
| 32 | this.selectElement = select; |
| 33 | |
| 34 | // Disable for iOS devices (their native controls are more suitable for a touch device) |
| 35 | if (!options.mobile && navigator.userAgent.match(/iPad|iPhone|Android|IEMobile|BlackBerry/i)) { |
| 36 | return false; |
| 37 | } |
| 38 | |
| 39 | // Element must be a select control |
| 40 | if ('select' !== select.tagName.toLowerCase()) { |
| 41 | return false; |
| 42 | } |
| 43 | |
| 44 | this.init(options); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @type {String} |
| 49 | */ |
| 50 | SelectBox.prototype.version = '1.2.0'; |
| 51 | |
| 52 | /** |
| 53 | * @param {Object} options |
| 54 | * |
| 55 | * @returns {Boolean} |
| 56 | */ |
| 57 | SelectBox.prototype.init = function (options) { |
| 58 | var select = $(this.selectElement); |
| 59 | if (select.data('selectBox-control')) { |
| 60 | return false; |
| 61 | } |
| 62 | |
| 63 | var control = $('<a class="selectBox" />') |
| 64 | , inline = select.attr('multiple') || parseInt(select.attr('size')) > 1 |
| 65 | , settings = options || {} |
| 66 | , tabIndex = parseInt(select.prop('tabindex')) || 0 |
| 67 | , self = this; |
| 68 | |
| 69 | control |
| 70 | .width(select.outerWidth()) |
| 71 | .addClass(select.attr('class')) |
| 72 | .attr('title', select.attr('title') || '') |
| 73 | .attr('tabindex', tabIndex) |
| 74 | .css('display', 'inline-block') |
| 75 | .bind('focus.selectBox', function () { |
| 76 | if (this !== document.activeElement && document.body !== document.activeElement) { |
| 77 | $(document.activeElement).blur(); |
| 78 | } |
| 79 | if (control.hasClass('selectBox-active')) { |
| 80 | return; |
| 81 | } |
| 82 | control.addClass('selectBox-active'); |
| 83 | select.trigger('focus'); |
| 84 | }) |
| 85 | .bind('blur.selectBox', function () { |
| 86 | if (!control.hasClass('selectBox-active')) { |
| 87 | return; |
| 88 | } |
| 89 | control.removeClass('selectBox-active'); |
| 90 | select.trigger('blur'); |
| 91 | }); |
| 92 | |
| 93 | if (!$(window).data('selectBox-bindings')) { |
| 94 | $(window) |
| 95 | .data('selectBox-bindings', true) |
| 96 | .bind('scroll.selectBox', this.hideMenus) |
| 97 | .bind('resize.selectBox', this.hideMenus); |
| 98 | } |
| 99 | |
| 100 | if (select.attr('disabled')) { |
| 101 | control.addClass('selectBox-disabled'); |
| 102 | } |
| 103 | |
| 104 | // Focus on control when label is clicked |
| 105 | select.bind('click.selectBox', function (event) { |
| 106 | control.focus(); |
| 107 | event.preventDefault(); |
| 108 | }); |
| 109 | |
| 110 | // Generate control |
| 111 | if (inline) { |
| 112 | // Inline controls |
| 113 | options = this.getOptions('inline'); |
| 114 | |
| 115 | control |
| 116 | .append(options) |
| 117 | .data('selectBox-options', options).addClass('selectBox-inline selectBox-menuShowing') |
| 118 | .bind('keydown.selectBox', function (event) { |
| 119 | self.handleKeyDown(event); |
| 120 | }) |
| 121 | .bind('keypress.selectBox',function (event) { |
| 122 | self.handleKeyPress(event); |
| 123 | }) |
| 124 | .bind('mousedown.selectBox',function (event) { |
| 125 | if (1 !== event.which) { |
| 126 | return; |
| 127 | } |
| 128 | if ($(event.target).is('A.selectBox-inline')) { |
| 129 | event.preventDefault(); |
| 130 | } |
| 131 | if (!control.hasClass('selectBox-focus')) { |
| 132 | control.focus(); |
| 133 | } |
| 134 | }) |
| 135 | .insertAfter(select); |
| 136 | |
| 137 | // Auto-height based on size attribute |
| 138 | if (!select[0].style.height) { |
| 139 | var size = select.attr('size') ? parseInt(select.attr('size')) : 5; |
| 140 | // Draw a dummy control off-screen, measure, and remove it |
| 141 | var tmp = control |
| 142 | .clone() |
| 143 | .removeAttr('id') |
| 144 | .css({ |
| 145 | position: 'absolute', |
| 146 | top: '-9999em' |
| 147 | }) |
| 148 | .show() |
| 149 | .appendTo('body'); |
| 150 | tmp.find('.selectBox-options').html('<li><a>\u00A0</a></li>'); |
| 151 | var optionHeight = parseInt(tmp.find('.selectBox-options A:first').html(' ').outerHeight()); |
| 152 | tmp.remove(); |
| 153 | control.height(optionHeight * size); |
| 154 | } |
| 155 | this.disableSelection(control); |
| 156 | } else { |
| 157 | // Dropdown controls |
| 158 | var label = $('<span class="selectBox-label" />'), |
| 159 | arrow = $('<span class="selectBox-arrow" />'); |
| 160 | |
| 161 | // Update label |
| 162 | label.attr('class', this.getLabelClass()).text(this.getLabelText()); |
| 163 | options = this.getOptions('dropdown'); |
| 164 | options.appendTo('BODY'); |
| 165 | |
| 166 | control |
| 167 | .data('selectBox-options', options) |
| 168 | .addClass('selectBox-dropdown') |
| 169 | .append(label) |
| 170 | .append(arrow) |
| 171 | .bind('mousedown.selectBox', function (event) { |
| 172 | if (1 === event.which) { |
| 173 | if (control.hasClass('selectBox-menuShowing')) { |
| 174 | self.hideMenus(); |
| 175 | } else { |
| 176 | event.stopPropagation(); |
| 177 | // Webkit fix to prevent premature selection of options |
| 178 | options |
| 179 | .data('selectBox-down-at-x', event.screenX) |
| 180 | .data('selectBox-down-at-y', event.screenY); |
| 181 | self.showMenu(); |
| 182 | } |
| 183 | } |
| 184 | }) |
| 185 | .bind('keydown.selectBox', function (event) { |
| 186 | self.handleKeyDown(event); |
| 187 | }) |
| 188 | .bind('keypress.selectBox', function (event) { |
| 189 | self.handleKeyPress(event); |
| 190 | }) |
| 191 | .bind('open.selectBox',function (event, triggerData) { |
| 192 | if (triggerData && triggerData._selectBox === true) { |
| 193 | return; |
| 194 | } |
| 195 | self.showMenu(); |
| 196 | }) |
| 197 | .bind('close.selectBox', function (event, triggerData) { |
| 198 | if (triggerData && triggerData._selectBox === true) { |
| 199 | return; |
| 200 | } |
| 201 | self.hideMenus(); |
| 202 | }) |
| 203 | .insertAfter(select); |
| 204 | |
| 205 | // Set label width |
| 206 | var labelWidth = |
| 207 | control.width() |
| 208 | - arrow.outerWidth() |
| 209 | - parseInt(label.css('paddingLeft')) || 0 |
| 210 | - parseInt(label.css('paddingRight')) || 0; |
| 211 | |
| 212 | label.width(labelWidth); |
| 213 | this.disableSelection(control); |
| 214 | } |
| 215 | // Store data for later use and show the control |
| 216 | select |
| 217 | .addClass('selectBox') |
| 218 | .data('selectBox-control', control) |
| 219 | .data('selectBox-settings', settings) |
| 220 | .hide(); |
| 221 | }; |
| 222 | |
| 223 | /** |
| 224 | * @param {String} type 'inline'|'dropdown' |
| 225 | * @returns {jQuery} |
| 226 | */ |
| 227 | SelectBox.prototype.getOptions = function (type) { |
| 228 | var options; |
| 229 | var select = $(this.selectElement); |
| 230 | var self = this; |
| 231 | // Private function to handle recursion in the getOptions function. |
| 232 | var _getOptions = function (select, options) { |
| 233 | // Loop through the set in order of element children. |
| 234 | select.children('OPTION, OPTGROUP').each(function () { |
| 235 | // If the element is an option, add it to the list. |
| 236 | if ($(this).is('OPTION')) { |
| 237 | // Check for a value in the option found. |
| 238 | if ($(this).length > 0) { |
| 239 | // Create an option form the found element. |
| 240 | self.generateOptions($(this), options); |
| 241 | } else { |
| 242 | // No option information found, so add an empty. |
| 243 | options.append('<li>\u00A0</li>'); |
| 244 | } |
| 245 | } else { |
| 246 | // If the element is an option group, add the group and call this function on it. |
| 247 | var optgroup = $('<li class="selectBox-optgroup" />'); |
| 248 | optgroup.text($(this).attr('label')); |
| 249 | options.append(optgroup); |
| 250 | options = _getOptions($(this), options); |
| 251 | } |
| 252 | }); |
| 253 | // Return the built strin |
| 254 | return options; |
| 255 | }; |
| 256 | |
| 257 | switch (type) { |
| 258 | case 'inline': |
| 259 | options = $('<ul class="selectBox-options" />'); |
| 260 | options = _getOptions(select, options); |
| 261 | options |
| 262 | .find('A') |
| 263 | .bind('mouseover.selectBox', function (event) { |
| 264 | self.addHover($(this).parent()); |
| 265 | }) |
| 266 | .bind('mouseout.selectBox',function (event) { |
| 267 | self.removeHover($(this).parent()); |
| 268 | }) |
| 269 | .bind('mousedown.selectBox',function (event) { |
| 270 | if (1 !== event.which) { |
| 271 | return |
| 272 | } |
| 273 | event.preventDefault(); // Prevent options from being "dragged" |
| 274 | if (!select.selectBox('control').hasClass('selectBox-active')) { |
| 275 | select.selectBox('control').focus(); |
| 276 | } |
| 277 | }) |
| 278 | .bind('mouseup.selectBox', function (event) { |
| 279 | if (1 !== event.which) { |
| 280 | return; |
| 281 | } |
| 282 | self.hideMenus(); |
| 283 | self.selectOption($(this).parent(), event); |
| 284 | }); |
| 285 | |
| 286 | this.disableSelection(options); |
| 287 | return options; |
| 288 | case 'dropdown': |
| 289 | options = $('<ul class="selectBox-dropdown-menu selectBox-options" />'); |
| 290 | options = _getOptions(select, options); |
| 291 | |
| 292 | options |
| 293 | .data('selectBox-select', select) |
| 294 | .css('display', 'none') |
| 295 | .appendTo('BODY') |
| 296 | .find('A') |
| 297 | .bind('mousedown.selectBox', function (event) { |
| 298 | if (event.which === 1) { |
| 299 | event.preventDefault(); // Prevent options from being "dragged" |
| 300 | if (event.screenX === options.data('selectBox-down-at-x') && |
| 301 | event.screenY === options.data('selectBox-down-at-y')) { |
| 302 | options.removeData('selectBox-down-at-x').removeData('selectBox-down-at-y'); |
| 303 | self.hideMenus(); |
| 304 | } |
| 305 | } |
| 306 | }) |
| 307 | .bind('mouseup.selectBox', function (event) { |
| 308 | if (1 !== event.which) { |
| 309 | return; |
| 310 | } |
| 311 | if (event.screenX === options.data('selectBox-down-at-x') && |
| 312 | event.screenY === options.data('selectBox-down-at-y')) { |
| 313 | return; |
| 314 | } else { |
| 315 | options.removeData('selectBox-down-at-x').removeData('selectBox-down-at-y'); |
| 316 | } |
| 317 | self.selectOption($(this).parent()); |
| 318 | self.hideMenus(); |
| 319 | }) |
| 320 | .bind('mouseover.selectBox', function (event) { |
| 321 | self.addHover($(this).parent()); |
| 322 | }) |
| 323 | .bind('mouseout.selectBox', function (event) { |
| 324 | self.removeHover($(this).parent()); |
| 325 | }); |
| 326 | |
| 327 | // Inherit classes for dropdown menu |
| 328 | var classes = select.attr('class') || ''; |
| 329 | if ('' !== classes) { |
| 330 | classes = classes.split(' '); |
| 331 | for (var i in classes) { |
| 332 | options.addClass(classes[i] + '-selectBox-dropdown-menu'); |
| 333 | } |
| 334 | } |
| 335 | this.disableSelection(options); |
| 336 | return options; |
| 337 | } |
| 338 | }; |
| 339 | |
| 340 | /** |
| 341 | * Returns the current class of the selected option. |
| 342 | * |
| 343 | * @returns {String} |
| 344 | */ |
| 345 | SelectBox.prototype.getLabelClass = function () { |
| 346 | var selected = $(this.selectElement).find('OPTION:selected'); |
| 347 | return ('selectBox-label ' + (selected.attr('class') || '')).replace(/\s+$/, ''); |
| 348 | }; |
| 349 | |
| 350 | /** |
| 351 | * Returns the current label of the selected option. |
| 352 | * |
| 353 | * @returns {String} |
| 354 | */ |
| 355 | SelectBox.prototype.getLabelText = function () { |
| 356 | var selected = $(this.selectElement).find('OPTION:selected'); |
| 357 | return selected.text() || '\u00A0'; |
| 358 | }; |
| 359 | |
| 360 | /** |
| 361 | * Sets the label. |
| 362 | * This method uses the getLabelClass() and getLabelText() methods. |
| 363 | */ |
| 364 | SelectBox.prototype.setLabel = function () { |
| 365 | var select = $(this.selectElement); |
| 366 | var control = select.data('selectBox-control'); |
| 367 | if (!control) { |
| 368 | return; |
| 369 | } |
| 370 | |
| 371 | control |
| 372 | .find('.selectBox-label') |
| 373 | .attr('class', this.getLabelClass()) |
| 374 | .text(this.getLabelText()); |
| 375 | }; |
| 376 | |
| 377 | /** |
| 378 | * Destroys the SelectBox instance and shows the origin select element. |
| 379 | * |
| 380 | */ |
| 381 | SelectBox.prototype.destroy = function () { |
| 382 | var select = $(this.selectElement); |
| 383 | var control = select.data('selectBox-control'); |
| 384 | if (!control) { |
| 385 | return; |
| 386 | } |
| 387 | |
| 388 | var options = control.data('selectBox-options'); |
| 389 | options.remove(); |
| 390 | control.remove(); |
| 391 | select |
| 392 | .removeClass('selectBox') |
| 393 | .removeData('selectBox-control') |
| 394 | .data('selectBox-control', null) |
| 395 | .removeData('selectBox-settings') |
| 396 | .data('selectBox-settings', null) |
| 397 | .show(); |
| 398 | }; |
| 399 | |
| 400 | /** |
| 401 | * Refreshes the option elements. |
| 402 | */ |
| 403 | SelectBox.prototype.refresh = function () { |
| 404 | var select = $(this.selectElement), |
| 405 | control = select.data('selectBox-control'), |
| 406 | dropdown = control.hasClass('selectBox-dropdown'), |
| 407 | menuOpened = control.hasClass('selectBox-menuShowing'); |
| 408 | select.selectBox('options', select.html()); |
| 409 | // Restore opened dropdown state (original menu was trashed) |
| 410 | if (dropdown && menuOpened) { |
| 411 | this.showMenu(); |
| 412 | } |
| 413 | }; |
| 414 | |
| 415 | /** |
| 416 | * Shows the dropdown menu. |
| 417 | */ |
| 418 | SelectBox.prototype.showMenu = function () { |
| 419 | var self = this |
| 420 | , select = $(this.selectElement) |
| 421 | , control = select.data('selectBox-control') |
| 422 | , settings = select.data('selectBox-settings') |
| 423 | , options = control.data('selectBox-options'); |
| 424 | |
| 425 | if (control.hasClass('selectBox-disabled')) { |
| 426 | return false; |
| 427 | } |
| 428 | |
| 429 | this.hideMenus(); |
| 430 | var borderBottomWidth = parseInt(control.css('borderBottomWidth')) || 0; |
| 431 | |
| 432 | // Menu position |
| 433 | options |
| 434 | .width(control.innerWidth()) |
| 435 | .css({ |
| 436 | top: control.offset().top + control.outerHeight() - borderBottomWidth, |
| 437 | left: control.offset().left |
| 438 | }); |
| 439 | |
| 440 | |
| 441 | if (select.triggerHandler('beforeopen')) { |
| 442 | return false; |
| 443 | } |
| 444 | |
| 445 | var dispatchOpenEvent = function () { |
| 446 | select.triggerHandler('open', { |
| 447 | _selectBox: true |
| 448 | }); |
| 449 | }; |
| 450 | |
| 451 | // Show menu |
| 452 | switch (settings.menuTransition) { |
| 453 | case 'fade': |
| 454 | options.fadeIn(settings.menuSpeed, dispatchOpenEvent); |
| 455 | break; |
| 456 | case 'slide': |
| 457 | options.slideDown(settings.menuSpeed, dispatchOpenEvent); |
| 458 | break; |
| 459 | default: |
| 460 | options.show(settings.menuSpeed, dispatchOpenEvent); |
| 461 | break; |
| 462 | } |
| 463 | |
| 464 | if (!settings.menuSpeed) { |
| 465 | dispatchOpenEvent(); |
| 466 | } |
| 467 | |
| 468 | // Center on selected option |
| 469 | var li = options.find('.selectBox-selected:first'); |
| 470 | this.keepOptionInView(li, true); |
| 471 | this.addHover(li); |
| 472 | control.addClass('selectBox-menuShowing'); |
| 473 | |
| 474 | $(document).bind('mousedown.selectBox', function (event) { |
| 475 | if (1 === event.which) { |
| 476 | if ($(event.target).parents().andSelf().hasClass('selectBox-options')) { |
| 477 | return; |
| 478 | } |
| 479 | self.hideMenus(); |
| 480 | } |
| 481 | }); |
| 482 | }; |
| 483 | |
| 484 | /** |
| 485 | * Hides the menu of all instances. |
| 486 | */ |
| 487 | SelectBox.prototype.hideMenus = function () { |
| 488 | if ($(".selectBox-dropdown-menu:visible").length === 0) { |
| 489 | return; |
| 490 | } |
| 491 | |
| 492 | $(document).unbind('mousedown.selectBox'); |
| 493 | $(".selectBox-dropdown-menu").each(function () { |
| 494 | var options = $(this) |
| 495 | , select = options.data('selectBox-select') |
| 496 | , control = select.data('selectBox-control') |
| 497 | , settings = select.data('selectBox-settings'); |
| 498 | |
| 499 | if (select.triggerHandler('beforeclose')) { |
| 500 | return false; |
| 501 | } |
| 502 | |
| 503 | var dispatchCloseEvent = function () { |
| 504 | select.triggerHandler('close', { |
| 505 | _selectBox: true |
| 506 | }); |
| 507 | }; |
| 508 | |
| 509 | if (settings) { |
| 510 | switch (settings.menuTransition) { |
| 511 | case 'fade': |
| 512 | options.fadeOut(settings.menuSpeed, dispatchCloseEvent); |
| 513 | break; |
| 514 | case 'slide': |
| 515 | options.slideUp(settings.menuSpeed, dispatchCloseEvent); |
| 516 | break; |
| 517 | default: |
| 518 | options.hide(settings.menuSpeed, dispatchCloseEvent); |
| 519 | break; |
| 520 | } |
| 521 | if (!settings.menuSpeed) { |
| 522 | dispatchCloseEvent(); |
| 523 | } |
| 524 | control.removeClass('selectBox-menuShowing'); |
| 525 | } else { |
| 526 | $(this).hide(); |
| 527 | $(this).triggerHandler('close', { |
| 528 | _selectBox: true |
| 529 | }); |
| 530 | $(this).removeClass('selectBox-menuShowing'); |
| 531 | } |
| 532 | }); |
| 533 | }; |
| 534 | |
| 535 | /** |
| 536 | * Selects an option. |
| 537 | * |
| 538 | * @param {HTMLElement} li |
| 539 | * @param {DOMEvent} event |
| 540 | * @returns {Boolean} |
| 541 | */ |
| 542 | SelectBox.prototype.selectOption = function (li, event) { |
| 543 | var select = $(this.selectElement); |
| 544 | li = $(li); |
| 545 | |
| 546 | var control = select.data('selectBox-control') |
| 547 | , settings = select.data('selectBox-settings'); |
| 548 | |
| 549 | if (control.hasClass('selectBox-disabled')) { |
| 550 | return false; |
| 551 | } |
| 552 | |
| 553 | if (0 === li.length || li.hasClass('selectBox-disabled')) { |
| 554 | return false; |
| 555 | } |
| 556 | |
| 557 | if (select.attr('multiple')) { |
| 558 | // If event.shiftKey is true, this will select all options between li and the last li selected |
| 559 | if (event.shiftKey && control.data('selectBox-last-selected')) { |
| 560 | li.toggleClass('selectBox-selected'); |
| 561 | var affectedOptions; |
| 562 | if (li.index() > control.data('selectBox-last-selected').index()) { |
| 563 | affectedOptions = li |
| 564 | .siblings() |
| 565 | .slice(control.data('selectBox-last-selected').index(), li.index()); |
| 566 | } else { |
| 567 | affectedOptions = li |
| 568 | .siblings() |
| 569 | .slice(li.index(), control.data('selectBox-last-selected').index()); |
| 570 | } |
| 571 | affectedOptions = affectedOptions.not('.selectBox-optgroup, .selectBox-disabled'); |
| 572 | if (li.hasClass('selectBox-selected')) { |
| 573 | affectedOptions.addClass('selectBox-selected'); |
| 574 | } else { |
| 575 | affectedOptions.removeClass('selectBox-selected'); |
| 576 | } |
| 577 | } else if ((this.isMac && event.metaKey) || (!this.isMac && event.ctrlKey)) { |
| 578 | li.toggleClass('selectBox-selected'); |
| 579 | } else { |
| 580 | li.siblings().removeClass('selectBox-selected'); |
| 581 | li.addClass('selectBox-selected'); |
| 582 | } |
| 583 | } else { |
| 584 | li.siblings().removeClass('selectBox-selected'); |
| 585 | li.addClass('selectBox-selected'); |
| 586 | } |
| 587 | |
| 588 | if (control.hasClass('selectBox-dropdown')) { |
| 589 | control.find('.selectBox-label').text(li.text()); |
| 590 | } |
| 591 | |
| 592 | // Update original control's value |
| 593 | var i = 0, selection = []; |
| 594 | if (select.attr('multiple')) { |
| 595 | control.find('.selectBox-selected A').each(function () { |
| 596 | selection[i++] = $(this).attr('rel'); |
| 597 | }); |
| 598 | } else { |
| 599 | selection = li.find('A').attr('rel'); |
| 600 | } |
| 601 | |
| 602 | // Remember most recently selected item |
| 603 | control.data('selectBox-last-selected', li); |
| 604 | |
| 605 | // Change callback |
| 606 | if (select.val() !== selection) { |
| 607 | select.val(selection); |
| 608 | this.setLabel(); |
| 609 | select.trigger('change'); |
| 610 | } |
| 611 | |
| 612 | return true; |
| 613 | }; |
| 614 | |
| 615 | /** |
| 616 | * Adds the hover class. |
| 617 | * |
| 618 | * @param {HTMLElement} li |
| 619 | */ |
| 620 | SelectBox.prototype.addHover = function (li) { |
| 621 | li = $(li); |
| 622 | var select = $(this.selectElement) |
| 623 | , control = select.data('selectBox-control') |
| 624 | , options = control.data('selectBox-options'); |
| 625 | |
| 626 | options.find('.selectBox-hover').removeClass('selectBox-hover'); |
| 627 | li.addClass('selectBox-hover'); |
| 628 | }; |
| 629 | |
| 630 | /** |
| 631 | * Returns the original HTML select element. |
| 632 | * |
| 633 | * @returns {HTMLElement} |
| 634 | */ |
| 635 | SelectBox.prototype.getSelectElement = function () { |
| 636 | return this.selectElement; |
| 637 | }; |
| 638 | |
| 639 | /** |
| 640 | * Remove the hover class. |
| 641 | * |
| 642 | * @param {HTMLElement} li |
| 643 | */ |
| 644 | SelectBox.prototype.removeHover = function (li) { |
| 645 | li = $(li); |
| 646 | var select = $(this.selectElement) |
| 647 | , control = select.data('selectBox-control') |
| 648 | , options = control.data('selectBox-options'); |
| 649 | |
| 650 | options.find('.selectBox-hover').removeClass('selectBox-hover'); |
| 651 | }; |
| 652 | |
| 653 | /** |
| 654 | * Checks if the widget is in the view. |
| 655 | * |
| 656 | * @param {jQuery} li |
| 657 | * @param {Boolean} center |
| 658 | */ |
| 659 | SelectBox.prototype.keepOptionInView = function (li, center) { |
| 660 | if (!li || li.length === 0) { |
| 661 | return; |
| 662 | } |
| 663 | |
| 664 | var select = $(this.selectElement) |
| 665 | , control = select.data('selectBox-control') |
| 666 | , options = control.data('selectBox-options') |
| 667 | , scrollBox = control.hasClass('selectBox-dropdown') ? options : options.parent() |
| 668 | , top = parseInt(li.offset().top -scrollBox.position().top) |
| 669 | , bottom = parseInt(top + li.outerHeight()); |
| 670 | |
| 671 | if (center) { |
| 672 | scrollBox.scrollTop(li.offset().top - scrollBox.offset().top + scrollBox.scrollTop() - |
| 673 | (scrollBox.height() / 2)); |
| 674 | } else { |
| 675 | if (top < 0) { |
| 676 | scrollBox.scrollTop(li.offset().top - scrollBox.offset().top + scrollBox.scrollTop()); |
| 677 | } |
| 678 | if (bottom > scrollBox.height()) { |
| 679 | scrollBox.scrollTop((li.offset().top + li.outerHeight()) - scrollBox.offset().top + |
| 680 | scrollBox.scrollTop() - scrollBox.height()); |
| 681 | } |
| 682 | } |
| 683 | }; |
| 684 | |
| 685 | /** |
| 686 | * Handles the keyDown event. |
| 687 | * Handles open/close and arrow key functionality |
| 688 | * |
| 689 | * @param {DOMEvent} event |
| 690 | */ |
| 691 | SelectBox.prototype.handleKeyDown = function (event) { |
| 692 | var select = $(this.selectElement) |
| 693 | , control = select.data('selectBox-control') |
| 694 | , options = control.data('selectBox-options') |
| 695 | , settings = select.data('selectBox-settings') |
| 696 | , totalOptions = 0, i = 0; |
| 697 | |
| 698 | if (control.hasClass('selectBox-disabled')) { |
| 699 | return; |
| 700 | } |
| 701 | |
| 702 | switch (event.keyCode) { |
| 703 | case 8: |
| 704 | // backspace |
| 705 | event.preventDefault(); |
| 706 | this.typeSearch = ''; |
| 707 | break; |
| 708 | case 9: |
| 709 | // tab |
| 710 | case 27: |
| 711 | // esc |
| 712 | this.hideMenus(); |
| 713 | this.removeHover(); |
| 714 | break; |
| 715 | case 13: |
| 716 | // enter |
| 717 | if (control.hasClass('selectBox-menuShowing')) { |
| 718 | this.selectOption(options.find('LI.selectBox-hover:first'), event); |
| 719 | if (control.hasClass('selectBox-dropdown')) { |
| 720 | this.hideMenus(); |
| 721 | } |
| 722 | } else { |
| 723 | this.showMenu(); |
| 724 | } |
| 725 | break; |
| 726 | case 38: |
| 727 | // up |
| 728 | case 37: |
| 729 | // left |
| 730 | event.preventDefault(); |
| 731 | if (control.hasClass('selectBox-menuShowing')) { |
| 732 | var prev = options.find('.selectBox-hover').prev('LI'); |
| 733 | totalOptions = options.find('LI:not(.selectBox-optgroup)').length; |
| 734 | i = 0; |
| 735 | while (prev.length === 0 || prev.hasClass('selectBox-disabled') || |
| 736 | prev.hasClass('selectBox-optgroup')) { |
| 737 | prev = prev.prev('LI'); |
| 738 | if (prev.length === 0) { |
| 739 | if (settings.loopOptions) { |
| 740 | prev = options.find('LI:last'); |
| 741 | } else { |
| 742 | prev = options.find('LI:first'); |
| 743 | } |
| 744 | } |
| 745 | if (++i >= totalOptions) { |
| 746 | break; |
| 747 | } |
| 748 | } |
| 749 | this.addHover(prev); |
| 750 | this.selectOption(prev, event); |
| 751 | this.keepOptionInView(prev); |
| 752 | } else { |
| 753 | this.showMenu(); |
| 754 | } |
| 755 | break; |
| 756 | case 40: |
| 757 | // down |
| 758 | case 39: |
| 759 | // right |
| 760 | event.preventDefault(); |
| 761 | if (control.hasClass('selectBox-menuShowing')) { |
| 762 | var next = options.find('.selectBox-hover').next('LI'); |
| 763 | totalOptions = options.find('LI:not(.selectBox-optgroup)').length; |
| 764 | i = 0; |
| 765 | while (0 === next.length || next.hasClass('selectBox-disabled') || |
| 766 | next.hasClass('selectBox-optgroup')) { |
| 767 | next = next.next('LI'); |
| 768 | if (next.length === 0) { |
| 769 | if (settings.loopOptions) { |
| 770 | next = options.find('LI:first'); |
| 771 | } else { |
| 772 | next = options.find('LI:last'); |
| 773 | } |
| 774 | } |
| 775 | if (++i >= totalOptions) { |
| 776 | break; |
| 777 | } |
| 778 | } |
| 779 | this.addHover(next); |
| 780 | this.selectOption(next, event); |
| 781 | this.keepOptionInView(next); |
| 782 | } else { |
| 783 | this.showMenu(); |
| 784 | } |
| 785 | break; |
| 786 | } |
| 787 | }; |
| 788 | |
| 789 | /** |
| 790 | * Handles the keyPress event. |
| 791 | * Handles type-to-find functionality |
| 792 | * |
| 793 | * @param {DOMEvent} event |
| 794 | */ |
| 795 | SelectBox.prototype.handleKeyPress = function (event) { |
| 796 | var select = $(this.selectElement) |
| 797 | , control = select.data('selectBox-control') |
| 798 | , options = control.data('selectBox-options'); |
| 799 | |
| 800 | if (control.hasClass('selectBox-disabled')) { |
| 801 | return; |
| 802 | } |
| 803 | |
| 804 | switch (event.keyCode) { |
| 805 | case 9: |
| 806 | // tab |
| 807 | case 27: |
| 808 | // esc |
| 809 | case 13: |
| 810 | // enter |
| 811 | case 38: |
| 812 | // up |
| 813 | case 37: |
| 814 | // left |
| 815 | case 40: |
| 816 | // down |
| 817 | case 39: |
| 818 | // right |
| 819 | // Don't interfere with the keydown event! |
| 820 | break; |
| 821 | default: |
| 822 | // Type to find |
| 823 | if (!control.hasClass('selectBox-menuShowing')) { |
| 824 | this.showMenu(); |
| 825 | } |
| 826 | event.preventDefault(); |
| 827 | clearTimeout(this.typeTimer); |
| 828 | this.typeSearch += String.fromCharCode(event.charCode || event.keyCode); |
| 829 | options.find('A').each(function () { |
| 830 | if ($(this).text().substr(0, this.typeSearch.length).toLowerCase() === this.typeSearch.toLowerCase()) { |
| 831 | this.addHover($(this).parent()); |
| 832 | this.selectOption($(this).parent(), event); |
| 833 | this.keepOptionInView($(this).parent()); |
| 834 | return false; |
| 835 | } |
| 836 | }); |
| 837 | // Clear after a brief pause |
| 838 | this.typeTimer = setTimeout(function () { |
| 839 | this.typeSearch = ''; |
| 840 | }, 1000); |
| 841 | break; |
| 842 | } |
| 843 | }; |
| 844 | |
| 845 | /** |
| 846 | * Enables the selectBox. |
| 847 | */ |
| 848 | SelectBox.prototype.enable = function () { |
| 849 | var select = $(this.selectElement); |
| 850 | select.prop('disabled', false); |
| 851 | var control = select.data('selectBox-control'); |
| 852 | if (!control) { |
| 853 | return; |
| 854 | } |
| 855 | control.removeClass('selectBox-disabled'); |
| 856 | }; |
| 857 | |
| 858 | /** |
| 859 | * Disables the selectBox. |
| 860 | */ |
| 861 | SelectBox.prototype.disable = function () { |
| 862 | var select = $(this.selectElement); |
| 863 | select.prop('disabled', true); |
| 864 | var control = select.data('selectBox-control'); |
| 865 | if (!control) { |
| 866 | return; |
| 867 | } |
| 868 | control.addClass('selectBox-disabled'); |
| 869 | }; |
| 870 | |
| 871 | /** |
| 872 | * Sets the current value. |
| 873 | * |
| 874 | * @param {String} value |
| 875 | */ |
| 876 | SelectBox.prototype.setValue = function (value) { |
| 877 | var select = $(this.selectElement); |
| 878 | select.val(value); |
| 879 | value = select.val(); // IE9's select would be null if it was set with a non-exist options value |
| 880 | |
| 881 | if (null === value) { // So check it here and set it with the first option's value if possible |
| 882 | value = select.children().first().val(); |
| 883 | select.val(value); |
| 884 | } |
| 885 | |
| 886 | var control = select.data('selectBox-control'); |
| 887 | if (!control) { |
| 888 | return; |
| 889 | } |
| 890 | |
| 891 | var settings = select.data('selectBox-settings') |
| 892 | , options = control.data('selectBox-options'); |
| 893 | |
| 894 | // Update label |
| 895 | this.setLabel(); |
| 896 | |
| 897 | // Update control values |
| 898 | options.find('.selectBox-selected').removeClass('selectBox-selected'); |
| 899 | options.find('A').each(function () { |
| 900 | if (typeof(value) === 'object') { |
| 901 | for (var i = 0; i < value.length; i++) { |
| 902 | if ($(this).attr('rel') == value[i]) { |
| 903 | $(this).parent().addClass('selectBox-selected'); |
| 904 | } |
| 905 | } |
| 906 | } else { |
| 907 | if ($(this).attr('rel') == value) { |
| 908 | $(this).parent().addClass('selectBox-selected'); |
| 909 | } |
| 910 | } |
| 911 | }); |
| 912 | |
| 913 | if (settings.change) { |
| 914 | settings.change.call(select); |
| 915 | } |
| 916 | }; |
| 917 | |
| 918 | /** |
| 919 | * Sets the option elements. |
| 920 | * |
| 921 | * @param {String|Object} options |
| 922 | */ |
| 923 | SelectBox.prototype.setOptions = function (options) { |
| 924 | var select = $(this.selectElement) |
| 925 | , control = select.data('selectBox-control') |
| 926 | , settings = select.data('selectBox-settings') |
| 927 | , type; |
| 928 | |
| 929 | switch (typeof(options)) { |
| 930 | case 'string': |
| 931 | select.html(options); |
| 932 | break; |
| 933 | case 'object': |
| 934 | select.html(''); |
| 935 | for (var i in options) { |
| 936 | if (options[i] === null) { |
| 937 | continue; |
| 938 | } |
| 939 | if (typeof(options[i]) === 'object') { |
| 940 | var optgroup = $('<optgroup label="' + i + '" />'); |
| 941 | for (var j in options[i]) { |
| 942 | optgroup.append('<option value="' + j + '">' + options[i][j] + '</option>'); |
| 943 | } |
| 944 | select.append(optgroup); |
| 945 | } else { |
| 946 | var option = $('<option value="' + i + '">' + options[i] + '</option>'); |
| 947 | select.append(option); |
| 948 | } |
| 949 | } |
| 950 | break; |
| 951 | } |
| 952 | |
| 953 | if (!control) { |
| 954 | return; |
| 955 | } |
| 956 | |
| 957 | // Remove old options |
| 958 | control.data('selectBox-options').remove(); |
| 959 | |
| 960 | // Generate new options |
| 961 | type = control.hasClass('selectBox-dropdown') ? 'dropdown' : 'inline'; |
| 962 | options = this.getOptions(type); |
| 963 | control.data('selectBox-options', options); |
| 964 | |
| 965 | switch (type) { |
| 966 | case 'inline': |
| 967 | control.append(options); |
| 968 | break; |
| 969 | case 'dropdown': |
| 970 | // Update label |
| 971 | this.setLabel(); |
| 972 | $("BODY").append(options); |
| 973 | break; |
| 974 | } |
| 975 | }; |
| 976 | |
| 977 | /** |
| 978 | * Disables the selection. |
| 979 | * |
| 980 | * @param {*} selector |
| 981 | */ |
| 982 | SelectBox.prototype.disableSelection = function (selector) { |
| 983 | $(selector).css('MozUserSelect', 'none').bind('selectstart', function (event) { |
| 984 | event.preventDefault(); |
| 985 | }); |
| 986 | }; |
| 987 | |
| 988 | /** |
| 989 | * Generates the options. |
| 990 | * |
| 991 | * @param {jQuery} self |
| 992 | * @param {jQuery} options |
| 993 | */ |
| 994 | SelectBox.prototype.generateOptions = function (self, options) { |
| 995 | var li = $('<li />'), a = $('<a />'); |
| 996 | li.addClass(self.attr('class')); |
| 997 | li.data(self.data()); |
| 998 | a.attr('rel', self.val()).text(self.text()); |
| 999 | li.append(a); |
| 1000 | if (self.attr('disabled')) { |
| 1001 | li.addClass('selectBox-disabled'); |
| 1002 | } |
| 1003 | if (self.attr('selected')) { |
| 1004 | li.addClass('selectBox-selected'); |
| 1005 | } |
| 1006 | options.append(li); |
| 1007 | }; |
| 1008 | |
| 1009 | /** |
| 1010 | * Extends the jQuery.fn object. |
| 1011 | */ |
| 1012 | $.extend($.fn, { |
| 1013 | selectBox: function (method, options) { |
| 1014 | var selectBox; |
| 1015 | |
| 1016 | switch (method) { |
| 1017 | case 'control': |
| 1018 | return $(this).data('selectBox-control'); |
| 1019 | case 'settings': |
| 1020 | if (!options) { |
| 1021 | return $(this).data('selectBox-settings'); |
| 1022 | } |
| 1023 | $(this).each(function () { |
| 1024 | $(this).data('selectBox-settings', $.extend(true, $(this).data('selectBox-settings'), options)); |
| 1025 | }); |
| 1026 | break; |
| 1027 | case 'options': |
| 1028 | // Getter |
| 1029 | if (undefined === options) { |
| 1030 | return $(this).data('selectBox-control').data('selectBox-options'); |
| 1031 | } |
| 1032 | // Setter |
| 1033 | $(this).each(function () { |
| 1034 | if (selectBox = $(this).data('selectBox')) { |
| 1035 | selectBox.setOptions(options); |
| 1036 | } |
| 1037 | }); |
| 1038 | break; |
| 1039 | case 'value': |
| 1040 | // Empty string is a valid value |
| 1041 | if (undefined === options) { |
| 1042 | return $(this).val(); |
| 1043 | } |
| 1044 | $(this).each(function () { |
| 1045 | if (selectBox = $(this).data('selectBox')) { |
| 1046 | selectBox.setValue(options); |
| 1047 | } |
| 1048 | }); |
| 1049 | break; |
| 1050 | case 'refresh': |
| 1051 | $(this).each(function () { |
| 1052 | if (selectBox = $(this).data('selectBox')) { |
| 1053 | selectBox.refresh(); |
| 1054 | } |
| 1055 | }); |
| 1056 | break; |
| 1057 | case 'enable': |
| 1058 | $(this).each(function () { |
| 1059 | if (selectBox = $(this).data('selectBox')) { |
| 1060 | selectBox.enable(this); |
| 1061 | } |
| 1062 | }); |
| 1063 | break; |
| 1064 | case 'disable': |
| 1065 | $(this).each(function () { |
| 1066 | if (selectBox = $(this).data('selectBox')) { |
| 1067 | selectBox.disable(); |
| 1068 | } |
| 1069 | }); |
| 1070 | break; |
| 1071 | case 'destroy': |
| 1072 | $(this).each(function () { |
| 1073 | if (selectBox = $(this).data('selectBox')) { |
| 1074 | selectBox.destroy(); |
| 1075 | $(this).data('selectBox', null); |
| 1076 | } |
| 1077 | }); |
| 1078 | break; |
| 1079 | case 'instance': |
| 1080 | return $(this).data('selectBox'); |
| 1081 | default: |
| 1082 | $(this).each(function (idx, select) { |
| 1083 | if (!$(select).data('selectBox')) { |
| 1084 | $(select).data('selectBox', new SelectBox(select, method)); |
| 1085 | } |
| 1086 | }); |
| 1087 | break; |
| 1088 | } |
| 1089 | return $(this); |
| 1090 | } |
| 1091 | }); |
| 1092 | })(jQuery); |