| 1 |
/** |
| 2 |
* jQuery add-on used to support context menus. |
| 3 |
* Here's a list of supported options. |
| 4 |
* |
| 5 |
* @author E4J srl |
| 6 |
* |
| 7 |
* - trigger string The command that should trigger the popup menu. Accepts the |
| 8 |
* following values: click|doubleclick|rightclick|hover. |
| 9 |
* Click will be used by default. |
| 10 |
* - placement string Where the popup should be displayed in relation to the target. |
| 11 |
* Accepts the following values: auto|top|right|bottom|left. |
| 12 |
* Auto will be used by default (at the mouse coordinates). |
| 13 |
* - class string An optional class to use for individual styling. |
| 14 |
* - buttons object[] A list of buttons to include within the popup menu. See the options |
| 15 |
* of the buttons for further details. |
| 16 |
* - onShow function An optional callback to invoke when the popup menu is displayed. |
| 17 |
* - onHide function An optional callback to invoke when the popup menu is dismissed. |
| 18 |
* - darkMode mixed Flag for dark mode layout, which accepts 3 possible values: |
| 19 |
* true|false|null. Pass true to always force the dark mode, false to |
| 20 |
* always use the light mode, null to auto-detect the proper mode |
| 21 |
* according to the preferred theme of the browser. |
| 22 |
* - clickable boolean Flag used to check whether the root element should prevent the |
| 23 |
* browser selection by applying specific CSS rules. False by default. |
| 24 |
* - lockScroll boolean Flag used to prevent the document scroll when the context menu |
| 25 |
* pops up. True by default. |
| 26 |
* - hideOnEsc boolean Choose whether the context menu should be closed when ESC key is |
| 27 |
* pressed. Always true by default. |
| 28 |
* - formatShortcut mixed An optional callback that can be used to format the shortcut symbols. |
| 29 |
* |
| 30 |
* Here's a list of options supported by the buttons. Any other property of the button will |
| 31 |
* be accessible by the internal methods. |
| 32 |
* |
| 33 |
* - icon mixed Either a function, an image URL, an image instance or a font icon |
| 34 |
* to display before the button text. In case of a function, it will be |
| 35 |
* used as callback to define an image/icon at runtime. |
| 36 |
* - text string The text to display for the popup menu button. |
| 37 |
* - action function The callback to dispatch when the button gets clicked. |
| 38 |
* - class string An optional class to use for individual styling. |
| 39 |
* - disabled mixed Either a function or a boolean to check whether the button should |
| 40 |
* be clicked or not. The button is never disabled by default. |
| 41 |
* - visible mixed Either a function or a boolean to check whether the button should |
| 42 |
* be displayed or not. The button is always visible by default. |
| 43 |
* - separator boolean Flag used to check whether the popup should include a separator after the |
| 44 |
* button. False by default. |
| 45 |
* - shortcut mixed An array of commands to represent the shortcut that will trigger the action |
| 46 |
* via keyboard. The array must contain one and only one character or symbol. |
| 47 |
* The array may contain one ore more modifiers, which must be specified first. |
| 48 |
* |
| 49 |
* List of methods supported by the add-on. |
| 50 |
* |
| 51 |
* - show Manually displays the popup menu. |
| 52 |
* - hide Manually disposes the popup menu. |
| 53 |
* - destroy Destroys the popup attached to the element. |
| 54 |
* - config Returns the configuration of the popup. |
| 55 |
* - buttons Getter/setter of the popup buttons. |
| 56 |
* |
| 57 |
* It is possible to update each setting configuration by using the same |
| 58 |
* name of the property and the related value to set. Leave the set argument |
| 59 |
* empty to simply access the current property value. In example: |
| 60 |
* |
| 61 |
* jQuery(target).vboContextMenu( 'trigger', 'click'); |
| 62 |
* jQuery(target).vboContextMenu('placement', 'auto'); |
| 63 |
*/ |
| 64 |
(function($) { |
| 65 |
/** |
| 66 |
* Popup menu trigger setup. |
| 67 |
* |
| 68 |
* @param object root The selector element. |
| 69 |
* @param string trigger The trigger to use. |
| 70 |
* @param mixed prev The previous trigger. |
| 71 |
* |
| 72 |
* @return string The trigger event. |
| 73 |
*/ |
| 74 |
var vikPopupMenuTrigger = function(root, trigger, prev) { |
| 75 |
// check if the trigger was already registered |
| 76 |
if (prev) { |
| 77 |
// detach previous trigger |
| 78 |
$(root).off(prev.toLowerCase()); |
| 79 |
} |
| 80 |
|
| 81 |
if (!trigger) { |
| 82 |
// abort in case of missing trigger |
| 83 |
return false; |
| 84 |
} |
| 85 |
|
| 86 |
// normalize trigger event |
| 87 |
switch (trigger.toLowerCase()) { |
| 88 |
case 'mouseover': |
| 89 |
case 'hover': |
| 90 |
trigger = 'mouseover'; |
| 91 |
break; |
| 92 |
|
| 93 |
case 'dblclick': |
| 94 |
case 'doubleclick': |
| 95 |
case 'double-click': |
| 96 |
trigger = 'dblclick'; |
| 97 |
break; |
| 98 |
|
| 99 |
case 'contextmenu': |
| 100 |
case 'rightclick': |
| 101 |
case 'right-click': |
| 102 |
trigger = 'contextmenu'; |
| 103 |
break; |
| 104 |
|
| 105 |
default: |
| 106 |
trigger = 'click'; |
| 107 |
}; |
| 108 |
|
| 109 |
// scan all the registered elements |
| 110 |
$(root).each(function() { |
| 111 |
// register new trigger |
| 112 |
$(this).on(trigger, function(event) { |
| 113 |
// always prevent default event |
| 114 |
event.preventDefault(); |
| 115 |
|
| 116 |
// open popup |
| 117 |
vikPopupMenuShow(this, event); |
| 118 |
}); |
| 119 |
}); |
| 120 |
|
| 121 |
return trigger; |
| 122 |
}; |
| 123 |
|
| 124 |
/** |
| 125 |
* Popup menu clickable setup. |
| 126 |
* |
| 127 |
* @param object root The selector element. |
| 128 |
* @param boolean flag True to make the root clickable. |
| 129 |
* @param mixed prev The flag previously set, if any. |
| 130 |
* |
| 131 |
* @return self |
| 132 |
*/ |
| 133 |
var vikPopupMenuClickable = function(root, flag, prev) { |
| 134 |
if (prev) { |
| 135 |
// remove CSS class used to disable the selection from root element |
| 136 |
$(root).removeClass('vik-context-menu-disable-selection'); |
| 137 |
} |
| 138 |
|
| 139 |
if (flag) { |
| 140 |
// add CSS class to root element to disable the selection |
| 141 |
$(root).addClass('vik-context-menu-disable-selection'); |
| 142 |
} |
| 143 |
|
| 144 |
return root; |
| 145 |
}; |
| 146 |
|
| 147 |
/** |
| 148 |
* Initializes the popup menu. |
| 149 |
* |
| 150 |
* @param object root The selector element. |
| 151 |
* @param object options A configuration object. |
| 152 |
* |
| 153 |
* @return self |
| 154 |
*/ |
| 155 |
var vikPopupMenuInit = function(root, options) { |
| 156 |
// inject the specified options within the default configuration |
| 157 |
options = $.extend($.vboContextMenu.defaults, options); |
| 158 |
|
| 159 |
// register the popup configuration for being used later |
| 160 |
vikPopupMenuConfig(root, options); |
| 161 |
|
| 162 |
// register trigger to show the popup menu |
| 163 |
options.trigger = vikPopupMenuTrigger(root, options.trigger); |
| 164 |
|
| 165 |
// normalize buttons |
| 166 |
vikPopupMenuButtons(root, options.buttons); |
| 167 |
|
| 168 |
// handle clickable property |
| 169 |
vikPopupMenuClickable(root, options.clickable); |
| 170 |
|
| 171 |
// register callback to dispatch the action of a button when its shortcut is pressed |
| 172 |
$(document).on('keydown.contextmenu.vikbooking', function(event) { |
| 173 |
// ignore the event with this namespace because it will end up |
| 174 |
// to catch also the plain keydown event |
| 175 |
if (event.namespace == 'contextmenu.vikbooking') { |
| 176 |
return true; |
| 177 |
} |
| 178 |
|
| 179 |
// go ahead only in case the focus is not help by a text field |
| 180 |
if ($(document.activeElement).is('input,textarea') == true) { |
| 181 |
// prevent shortcuts from catching typed characters |
| 182 |
return true; |
| 183 |
} |
| 184 |
|
| 185 |
// retrieve popup configuration |
| 186 |
var config = vikPopupMenuConfig(root); |
| 187 |
|
| 188 |
// in case ESC was pressed, check if we should hide the popup |
| 189 |
if (config.hideOnEsc && event.keyCode == 27) { |
| 190 |
// auto-close the context menu |
| 191 |
vikPopupMenuHide(root); |
| 192 |
return true; |
| 193 |
} |
| 194 |
|
| 195 |
// iterate all registered buttons |
| 196 |
$.each(config.buttons, (i, btn) => { |
| 197 |
// make sure we have a shortcut and an action to execute |
| 198 |
if (!btn.shortcut || !btn.action) { |
| 199 |
// nothing to do here, go ahead |
| 200 |
return true; |
| 201 |
} |
| 202 |
|
| 203 |
// check whether the shortcut is pressed |
| 204 |
if (event.originalEvent.shortcut(btn.shortcut)) { |
| 205 |
// launch callback to check whether the button is disabled |
| 206 |
// or simply rely on the specified boolean |
| 207 |
var disabled = typeof btn.disabled === 'function' ? btn.disabled(root, config) : btn.disabled; |
| 208 |
|
| 209 |
// trigger action only in case the button is not disabled |
| 210 |
if (!disabled) { |
| 211 |
// stop event propagation |
| 212 |
event.preventDefault(); |
| 213 |
event.stopPropagation(); |
| 214 |
|
| 215 |
// dispatch button action |
| 216 |
btn.action(root, event); |
| 217 |
} |
| 218 |
|
| 219 |
return false; |
| 220 |
} |
| 221 |
}); |
| 222 |
}); |
| 223 |
|
| 224 |
return root; |
| 225 |
}; |
| 226 |
|
| 227 |
/** |
| 228 |
* Getter and setter of the popup configuration. |
| 229 |
* |
| 230 |
* @param object root The selector element. |
| 231 |
* @param mixed data The popup configuration to set. When omitted, |
| 232 |
* the method will act as a getter. |
| 233 |
* |
| 234 |
* @param mixed Returns the configuration when the data argument is |
| 235 |
* missing. Otherwise itself will be returned. |
| 236 |
*/ |
| 237 |
var vikPopupMenuConfig = function(root, data) { |
| 238 |
if (typeof data === 'undefined') { |
| 239 |
// GETTER: return popup configuration. |
| 240 |
// Clone the object in order to prevent manual edits to |
| 241 |
// the configuration properties. |
| 242 |
return Object.assign({}, $(root).data('popupConfiguration')); |
| 243 |
} |
| 244 |
|
| 245 |
// SETTER: update popup configuration |
| 246 |
return $(root).data('popupConfiguration', data); |
| 247 |
}; |
| 248 |
|
| 249 |
/** |
| 250 |
* Creates and shows the popup menu. |
| 251 |
* |
| 252 |
* @param object root The selector element. |
| 253 |
* @param Event event The dispatcher DOM event. |
| 254 |
* |
| 255 |
* @return self |
| 256 |
*/ |
| 257 |
var vikPopupMenuShow = function(root, event) { |
| 258 |
if ($('.vik-context-menu').length) { |
| 259 |
// do not go ahead in case a context menu is visible |
| 260 |
return root; |
| 261 |
} |
| 262 |
|
| 263 |
// retrieve configuration |
| 264 |
var config = vikPopupMenuConfig(root); |
| 265 |
|
| 266 |
// prepare context menu structure |
| 267 |
var popup = $('<div class="vik-context-menu"><ul></ul></div>'); |
| 268 |
|
| 269 |
// in case of a custom class, add it |
| 270 |
if (config.class) { |
| 271 |
popup.addClass(config.class); |
| 272 |
} |
| 273 |
|
| 274 |
// look for dark mode |
| 275 |
if (config.darkMode === true) { |
| 276 |
// turn dark mode on |
| 277 |
popup.addClass('dark-mode'); |
| 278 |
} else if (config.darkMode === false) { |
| 279 |
// suppress dark mode |
| 280 |
popup.addClass('light-mode'); |
| 281 |
} |
| 282 |
|
| 283 |
// iterate registered buttons and append them one by one |
| 284 |
$.each(config.buttons, function(i, btn) { |
| 285 |
// launch callback to check whether the button should be displayed |
| 286 |
// or simply rely on the specified boolean |
| 287 |
var visible = typeof btn.visible === 'function' ? btn.visible(root, config) : btn.visible; |
| 288 |
|
| 289 |
if (!visible) { |
| 290 |
// skip button and go ahead |
| 291 |
return true; |
| 292 |
} |
| 293 |
|
| 294 |
// prepare button structure |
| 295 |
var popupBtn = $('<a></a>'); |
| 296 |
|
| 297 |
if (btn.icon) { |
| 298 |
var icon; |
| 299 |
|
| 300 |
if (typeof btn.icon === 'function') { |
| 301 |
// we have a function, launch the callback |
| 302 |
// to extract the image at runtime |
| 303 |
icon = btn.icon(root, config); |
| 304 |
} else { |
| 305 |
// use it plain |
| 306 |
icon = btn.icon; |
| 307 |
} |
| 308 |
|
| 309 |
if (icon instanceof Image) { |
| 310 |
// we have an image instance |
| 311 |
icon = $(icon); |
| 312 |
} else if (typeof icon === 'string') { |
| 313 |
if (icon.indexOf('/') !== -1) { |
| 314 |
// we have an image URL |
| 315 |
icon = $('<img>').attr('src', icon); |
| 316 |
} else { |
| 317 |
// we probably have a font icon |
| 318 |
icon = $('<i></i>').addClass(icon); |
| 319 |
} |
| 320 |
} |
| 321 |
|
| 322 |
// leave as is in case a jQuery instance was passed |
| 323 |
|
| 324 |
// wrap icon in a parent and append all to button |
| 325 |
popupBtn.append($('<span class="button-icon"></span>').append(icon)); |
| 326 |
} |
| 327 |
|
| 328 |
// insert text button |
| 329 |
popupBtn.append($('<span class="button-text"></span>').html(btn.text)); |
| 330 |
|
| 331 |
// check if the button specified a shortcut |
| 332 |
if (btn.shortcut) { |
| 333 |
// map shortcut elements |
| 334 |
var cmd = btn.shortcut.map(function(k) { |
| 335 |
var keyCode = k; |
| 336 |
|
| 337 |
switch (k) { |
| 338 |
case 'alt': k = "⌥"; break; |
| 339 |
case 'ctrl': k = "⌃"; break; |
| 340 |
case 'shift': k = "⇧"; break; |
| 341 |
case 'meta': k = "⌘"; break; |
| 342 |
// backspace |
| 343 |
case 8: k = '<i class="fas fa-backspace"></i>'; break; |
| 344 |
// enter |
| 345 |
case 13: k = '⏎'; break; |
| 346 |
// space |
| 347 |
case 32: k = 'Space'; break; |
| 348 |
// arrow up |
| 349 |
case 37: k = '<i class="fas fa-long-arrow-alt-left"></i>'; break; |
| 350 |
// arrow up |
| 351 |
case 38: k = '<i class="fas fa-long-arrow-alt-up"></i>'; break; |
| 352 |
// arrow right |
| 353 |
case 39: k = '<i class="fas fa-long-arrow-alt-right"></i>'; break; |
| 354 |
// arrow down |
| 355 |
case 40: k = '<i class="fas fa-long-arrow-alt-down"></i>'; break; |
| 356 |
// character |
| 357 |
default: k = typeof k === 'string' ? k.toUpperCase() : ''; |
| 358 |
} |
| 359 |
|
| 360 |
// look for a custom function used to format shortcuts |
| 361 |
if (typeof config.formatShortcut === 'function') { |
| 362 |
// launch the callback |
| 363 |
k = config.formatShortcut(keyCode, k); |
| 364 |
} |
| 365 |
|
| 366 |
return k; |
| 367 |
}); |
| 368 |
|
| 369 |
cmd = cmd.join(''); |
| 370 |
|
| 371 |
// wrap the shortcut between parenthesis in case of no modifiers |
| 372 |
if (cmd.length == 1) { |
| 373 |
cmd = '(' + cmd + ')'; |
| 374 |
} |
| 375 |
|
| 376 |
// insert shortcut button |
| 377 |
popupBtn.append($('<span class="button-shortcut"></span>').html(cmd)); |
| 378 |
} |
| 379 |
|
| 380 |
// launch callback to check whether the button should be disabled |
| 381 |
// or simply rely on the specified boolean |
| 382 |
var disabled = typeof btn.disabled === 'function' ? btn.disabled(root, config) : btn.disabled; |
| 383 |
|
| 384 |
// check whether the button is disabled |
| 385 |
if (disabled) { |
| 386 |
popupBtn.addClass('disabled'); |
| 387 |
} else { |
| 388 |
// register button click event |
| 389 |
popupBtn.on('click', function(event) { |
| 390 |
// look for an action callback |
| 391 |
if (btn.action) { |
| 392 |
// dispatch callback |
| 393 |
btn.action(root, event); |
| 394 |
} |
| 395 |
|
| 396 |
// always dismiss the popup when a button gets clicked |
| 397 |
vikPopupMenuHide(root); |
| 398 |
}); |
| 399 |
} |
| 400 |
|
| 401 |
// in case of a custom class, add it |
| 402 |
if (btn.class) { |
| 403 |
popupBtn.addClass(btn.class); |
| 404 |
} |
| 405 |
|
| 406 |
// wrap button within a parent for <ul> compliance |
| 407 |
var popupItem = $('<li></li>').append(popupBtn); |
| 408 |
|
| 409 |
// in case of a separator, add a specific class |
| 410 |
if (btn.separator) { |
| 411 |
popupItem.addClass('separator'); |
| 412 |
} |
| 413 |
|
| 414 |
// wrap button within a parent and add to popup |
| 415 |
popup.find('ul').append(popupItem); |
| 416 |
}); |
| 417 |
|
| 418 |
// hide the popup before appending it |
| 419 |
popup.hide(); |
| 420 |
|
| 421 |
// append button to body |
| 422 |
$('body').append(popup); |
| 423 |
|
| 424 |
// calculate popup position |
| 425 |
vikPopupMenuCalcPosition(root, popup, event); |
| 426 |
|
| 427 |
if (config.lockScroll) { |
| 428 |
// prevent document from scrolling |
| 429 |
$('body').addClass('lock-scroll'); |
| 430 |
} |
| 431 |
|
| 432 |
// show popup |
| 433 |
popup.show(); |
| 434 |
|
| 435 |
// look for a specific callback to be triggered on opening |
| 436 |
if (config.onShow) { |
| 437 |
// trigger show callback |
| 438 |
config.onShow(root, popup); |
| 439 |
} |
| 440 |
|
| 441 |
// Register callback to auto dismiss the popup when clicked outside. |
| 442 |
// Use mousedown event because it will be execured before any other |
| 443 |
// supported trigger, so that the context menus can be shown on cascade. |
| 444 |
$(document).on('mousedown.contextmenu.vikbooking', function(event) { |
| 445 |
// ignore the event with this namespace because it will end up |
| 446 |
// to catch also the plain mousedown event |
| 447 |
if (event.namespace == 'contextmenu.vikbooking') { |
| 448 |
return false; |
| 449 |
} |
| 450 |
|
| 451 |
if (!popup.is(':visible')) { |
| 452 |
// dialog not visible |
| 453 |
return false; |
| 454 |
} |
| 455 |
|
| 456 |
// get list of buttons |
| 457 |
var links = popup.find('a'); |
| 458 |
|
| 459 |
// make sure we haven't clicked the popup or a link |
| 460 |
if (!popup.is(event.target) && popup.has(event.target).length === 0 |
| 461 |
&& !links.is(event.target) && links.has(event.target).length === 0) { |
| 462 |
// auto close popup when clicked outside |
| 463 |
vikPopupMenuHide(root); |
| 464 |
|
| 465 |
event.stopPropagation(); |
| 466 |
event.preventDefault(); |
| 467 |
|
| 468 |
return false; |
| 469 |
} |
| 470 |
}); |
| 471 |
|
| 472 |
return root; |
| 473 |
}; |
| 474 |
|
| 475 |
/** |
| 476 |
* Hides the popup menu. |
| 477 |
|
| 478 |
* @param object root The selector element. |
| 479 |
* |
| 480 |
* @return self |
| 481 |
*/ |
| 482 |
var vikPopupMenuHide = function(root) { |
| 483 |
// go ahead only in case a popup is open |
| 484 |
if ($('.vik-context-menu').length) { |
| 485 |
// destroy any existing popup menu because we do not support |
| 486 |
// more than a popup per time |
| 487 |
$('.vik-context-menu').remove(); |
| 488 |
|
| 489 |
// always restore scroll functions |
| 490 |
$('body').removeClass('lock-scroll'); |
| 491 |
|
| 492 |
// turn off proxy |
| 493 |
$(document).off('mousedown.contextmenu.vikbooking'); |
| 494 |
|
| 495 |
// get popup configuration |
| 496 |
var config = vikPopupMenuConfig(root); |
| 497 |
|
| 498 |
// look for a specific callback to be triggered on dismiss |
| 499 |
if (config.onHide) { |
| 500 |
// trigger hide callback |
| 501 |
config.onHide(root); |
| 502 |
} |
| 503 |
} |
| 504 |
|
| 505 |
return root; |
| 506 |
}; |
| 507 |
|
| 508 |
/** |
| 509 |
* Destroys the popup menu. |
| 510 |
|
| 511 |
* @param object root The selector element. |
| 512 |
* |
| 513 |
* @return self |
| 514 |
*/ |
| 515 |
var vikPopupMenuDestroy = function(root) { |
| 516 |
// in case the popup was open, close it first |
| 517 |
vikPopupMenuHide(root); |
| 518 |
|
| 519 |
// detach keyboard listener |
| 520 |
$(document).off('keydown.contextmenu.vikbooking'); |
| 521 |
|
| 522 |
// remove CSS class used to disable the selection from root element |
| 523 |
$(root).removeClass('vik-context-menu-disable-selection'); |
| 524 |
|
| 525 |
// get popup configuration |
| 526 |
var config = vikPopupMenuConfig(root); |
| 527 |
|
| 528 |
// detach previous event without attaching a new one |
| 529 |
vikPopupMenuTrigger(root, null, config.trigger); |
| 530 |
|
| 531 |
// detach clickable property |
| 532 |
vikPopupMenuClickable(root, null, config.clickable); |
| 533 |
|
| 534 |
// then destroy the registered data |
| 535 |
return vikPopupMenuConfig(root, null); |
| 536 |
}; |
| 537 |
|
| 538 |
/** |
| 539 |
* Getter and setter of the popup buttons. |
| 540 |
* |
| 541 |
* @param object root The selector element. |
| 542 |
* @param mixed data The popup buttons to set. When omitted, |
| 543 |
* the method will act as a getter. |
| 544 |
* |
| 545 |
* @param mixed Returns the buttons list when the data argument is |
| 546 |
* missing. Otherwise itself will be returned. |
| 547 |
*/ |
| 548 |
var vikPopupMenuButtons = function(root, data) { |
| 549 |
// get configuration |
| 550 |
var config = vikPopupMenuConfig(root); |
| 551 |
|
| 552 |
if (typeof data === 'undefined') { |
| 553 |
// return popup buttons |
| 554 |
return config.buttons; |
| 555 |
} |
| 556 |
|
| 557 |
// make sure the buttons property is an Array |
| 558 |
if (!Array.isArray(data)) { |
| 559 |
throw 'Invalid buttons, an Array was expected.'; |
| 560 |
} |
| 561 |
|
| 562 |
// set specified buttons |
| 563 |
config.buttons = data; |
| 564 |
|
| 565 |
// iterate all buttons |
| 566 |
for (var i = 0; i < config.buttons.length; i++) { |
| 567 |
// create default button properties |
| 568 |
config.buttons[i] = $.extend({ |
| 569 |
icon: null, |
| 570 |
text: '', |
| 571 |
action: null, |
| 572 |
shortcut: null, |
| 573 |
class: '', |
| 574 |
disabled: false, |
| 575 |
visible: true, |
| 576 |
separator: false, |
| 577 |
}, config.buttons[i]); |
| 578 |
|
| 579 |
// make sure we have an array |
| 580 |
if (!Array.isArray(config.buttons[i].shortcut)) { |
| 581 |
// invalid shortcut |
| 582 |
config.buttons[i].shortcut = null; |
| 583 |
} |
| 584 |
} |
| 585 |
|
| 586 |
// register configuration |
| 587 |
return vikPopupMenuConfig(root, config); |
| 588 |
}; |
| 589 |
|
| 590 |
/** |
| 591 |
* Calculates and sets the proper position of the popup. |
| 592 |
* |
| 593 |
* @param object root The selector element. |
| 594 |
* @param mixed popup The popup element. |
| 595 |
* @param mixed event The dispatcher DOM event. |
| 596 |
* |
| 597 |
* @param self |
| 598 |
*/ |
| 599 |
var vikPopupMenuCalcPosition = function(root, popup, event) { |
| 600 |
// get popup configuration |
| 601 |
var config = vikPopupMenuConfig(root); |
| 602 |
|
| 603 |
// in case of "auto" placement, we need to make sure |
| 604 |
// that we own an event to access the mouse coordinates |
| 605 |
if (config.placement == 'auto' && !event) { |
| 606 |
// no event was passed, fallback to right |
| 607 |
config.placement = 'right'; |
| 608 |
} |
| 609 |
|
| 610 |
// calculate root offset |
| 611 |
var rootOffset = $(root).offset(); |
| 612 |
// calculate root size |
| 613 |
var rootWidth = $(root).outerWidth(); |
| 614 |
var rootHeight = $(root).outerHeight(); |
| 615 |
// calculate popup size |
| 616 |
var popupWidth = $(popup).outerWidth(); |
| 617 |
var popupHeight = $(popup).outerHeight(); |
| 618 |
|
| 619 |
var x, y; |
| 620 |
|
| 621 |
// display popup above the root, centered |
| 622 |
if (config.placement == 'top') { |
| 623 |
x = rootOffset.left + rootWidth / 2 - popupWidth / 2; |
| 624 |
y = rootOffset.top - popupHeight - 4; |
| 625 |
} |
| 626 |
// display popup above the root, to the right |
| 627 |
else if (config.placement == 'top-right') { |
| 628 |
x = rootOffset.left + rootWidth - popupWidth; |
| 629 |
y = rootOffset.top - popupHeight - 4; |
| 630 |
} |
| 631 |
// display popup above the root, to the left |
| 632 |
else if (config.placement == 'top-left') { |
| 633 |
x = rootOffset.left; |
| 634 |
y = rootOffset.top - popupHeight - 4; |
| 635 |
} |
| 636 |
// display the popup below the root, centered |
| 637 |
else if (config.placement == 'bottom') { |
| 638 |
x = rootOffset.left + rootWidth / 2 - popupWidth / 2; |
| 639 |
y = rootOffset.top + rootHeight + 4; |
| 640 |
} |
| 641 |
// display the popup below the root, to the right |
| 642 |
else if (config.placement == 'bottom-right') { |
| 643 |
x = rootOffset.left + rootWidth - popupWidth; |
| 644 |
y = rootOffset.top + rootHeight + 4; |
| 645 |
} |
| 646 |
// display the popup below the root, to the left |
| 647 |
else if (config.placement == 'bottom-left') { |
| 648 |
x = rootOffset.left; |
| 649 |
y = rootOffset.top + rootHeight + 4; |
| 650 |
} |
| 651 |
// display the popup before the root |
| 652 |
else if (config.placement == 'left') { |
| 653 |
x = rootOffset.left - popupWidth - 4; |
| 654 |
y = rootOffset.top + rootHeight / 2 - popupHeight / 2; |
| 655 |
} |
| 656 |
// display the popup after the root |
| 657 |
else if (config.placement == 'right') { |
| 658 |
x = rootOffset.left + rootWidth + 4; |
| 659 |
y = rootOffset.top + rootHeight / 2 - popupHeight / 2; |
| 660 |
} |
| 661 |
// display the popup at the mouse coordinates |
| 662 |
else { |
| 663 |
x = event.pageX; |
| 664 |
y = event.pageY; |
| 665 |
} |
| 666 |
|
| 667 |
// calculate screen size |
| 668 |
var screenWidth = $(window).width(); |
| 669 |
var screenHeight = $(window).height(); |
| 670 |
// calculate window scrolls |
| 671 |
var windowScrollLeft = $(window).scrollLeft(); |
| 672 |
var windowScrollTop = $(window).scrollTop(); |
| 673 |
|
| 674 |
// use 4 pixel as minimum value |
| 675 |
x = Math.max(4, x); |
| 676 |
y = Math.max(4, y); |
| 677 |
|
| 678 |
// make sure the popup doesn't exceed the screen width |
| 679 |
if (x + popupWidth + 4 > screenWidth) { |
| 680 |
x = screenWidth - popupWidth - 4; |
| 681 |
} |
| 682 |
|
| 683 |
// make sure the popup doesn't exceed the screen height |
| 684 |
if (y + popupHeight + 4 > screenHeight + windowScrollTop) { |
| 685 |
y = screenHeight - popupHeight - 4 + windowScrollTop; |
| 686 |
} |
| 687 |
|
| 688 |
$(popup).css('top', y).css('left', x); |
| 689 |
|
| 690 |
return root; |
| 691 |
}; |
| 692 |
|
| 693 |
// register listener to auto-close the popup when clicked outside |
| 694 |
$(document).on('mousedown', function() { |
| 695 |
// we need to propagate the event with a proxy so that we can safely |
| 696 |
// detach the registered callbacks when the popup gets closed |
| 697 |
$(document).trigger('mousedown.contextmenu.vikbooking'); |
| 698 |
}); |
| 699 |
|
| 700 |
// register listener to dispatch the actions of the buttons via keyboard |
| 701 |
$(document).on('keydown', function() { |
| 702 |
// we need to propagate the event with a proxy so that we can safely |
| 703 |
// detach the registered callbacks when the popup gets destroyed |
| 704 |
$(document).trigger('keydown.contextmenu.vikbooking'); |
| 705 |
}); |
| 706 |
|
| 707 |
// register the jQuery callback |
| 708 |
$.fn.vboContextMenu = function(method, data) { |
| 709 |
if (!method) { |
| 710 |
method = {}; |
| 711 |
} |
| 712 |
|
| 713 |
// immediately exit in case of no elements found |
| 714 |
if ($(this).length == 0) { |
| 715 |
return this; |
| 716 |
} |
| 717 |
|
| 718 |
// initialize popup events |
| 719 |
if (typeof method === 'object') { |
| 720 |
return vikPopupMenuInit(this, method); |
| 721 |
} |
| 722 |
// check if we should dismiss the popup |
| 723 |
else if (typeof method === 'string' && method.match(/^(close|dismiss|hide)$/i)) { |
| 724 |
return vikPopupMenuHide(this); |
| 725 |
} |
| 726 |
// check if we should open the popup |
| 727 |
else if (typeof method === 'string' && method.match(/^(show|open)$/i)) { |
| 728 |
return vikPopupMenuShow(this); |
| 729 |
} |
| 730 |
// check if we destroy the popup |
| 731 |
else if (typeof method === 'string' && method.match(/^(destroy)$/i)) { |
| 732 |
return vikPopupMenuDestroy(this); |
| 733 |
} |
| 734 |
// check if we should return the popup configuration |
| 735 |
else if (typeof method === 'string' && method.match(/^(config|configuration|options)$/i)) { |
| 736 |
return vikPopupMenuConfig(this); |
| 737 |
} |
| 738 |
// check if we should handle with the popup buttons |
| 739 |
else if (typeof method === 'string' && method.match(/^(buttons)$/i)) { |
| 740 |
// use getter/setter according to the specified arguments |
| 741 |
return vikPopupMenuButtons(this, data); |
| 742 |
} |
| 743 |
// fallback to configuration setting getter/setter |
| 744 |
else { |
| 745 |
// access configuration |
| 746 |
var config = vikPopupMenuConfig(this); |
| 747 |
|
| 748 |
// check if the second argument was passed |
| 749 |
if (typeof data !== 'undefined') { |
| 750 |
if (method == 'trigger') { |
| 751 |
// register trigger before updating the configuration |
| 752 |
data = vikPopupMenuTrigger(this, data, config.trigger); |
| 753 |
} else if (method == 'clickable') { |
| 754 |
// handle clickable property |
| 755 |
vikPopupMenuClickable(this, data, config.clickable); |
| 756 |
} |
| 757 |
|
| 758 |
// register argument within configuration |
| 759 |
config[method] = data; |
| 760 |
|
| 761 |
// refresh configuration and return self instance |
| 762 |
return vikPopupMenuConfig(this, config); |
| 763 |
} |
| 764 |
|
| 765 |
// return configuration setting |
| 766 |
return config[method]; |
| 767 |
} |
| 768 |
|
| 769 |
return this; |
| 770 |
}; |
| 771 |
|
| 772 |
// define the default configuration to use for the context menu |
| 773 |
$.vboContextMenu = { |
| 774 |
defaults: { |
| 775 |
trigger: 'click', |
| 776 |
placement: 'auto', |
| 777 |
class: '', |
| 778 |
buttons: [], |
| 779 |
onShow: null, |
| 780 |
onHide: null, |
| 781 |
clickable: false, |
| 782 |
lockScroll: true, |
| 783 |
darkMode: null, |
| 784 |
hideOnEsc: true, |
| 785 |
formatShortcut: null, |
| 786 |
}, |
| 787 |
}; |
| 788 |
|
| 789 |
/** |
| 790 |
* Checks if the KeyBoard event matches the given shortcut. |
| 791 |
* |
| 792 |
* @param array keys The shortcut representation. |
| 793 |
* |
| 794 |
* @return boolean True if matches, otherwise false. |
| 795 |
*/ |
| 796 |
KeyboardEvent.prototype.shortcut = function(keys) { |
| 797 |
// get modifiers list |
| 798 |
var modifiers = keys.slice(0); |
| 799 |
// pop character from modifiers |
| 800 |
var keyCode = modifiers.pop(); |
| 801 |
|
| 802 |
if (typeof keyCode === 'string') { |
| 803 |
// get ASCII |
| 804 |
keyCode = keyCode.toUpperCase().charCodeAt(0); |
| 805 |
} |
| 806 |
|
| 807 |
// make sure the modifiers are lower case |
| 808 |
modifiers = modifiers.map(function(mod) { |
| 809 |
return mod.toLowerCase(); |
| 810 |
}); |
| 811 |
|
| 812 |
var ok = false; |
| 813 |
|
| 814 |
// validate key code |
| 815 |
if (this.keyCode == keyCode) { |
| 816 |
// validate modifiers |
| 817 |
ok = true; |
| 818 |
var lookup = ['meta', 'shift', 'alt', 'ctrl']; |
| 819 |
|
| 820 |
for (var i = 0; i < lookup.length && ok; i++) { |
| 821 |
// check if modifiers is pressed |
| 822 |
var mod = this[lookup[i] + 'Key']; |
| 823 |
|
| 824 |
if (mod) { |
| 825 |
// if pressed, the shortcut must specify it |
| 826 |
ok &= modifiers.indexOf(lookup[i]) !== -1; |
| 827 |
} else { |
| 828 |
// if not pressed, the shortcut must not include it |
| 829 |
ok &= modifiers.indexOf(lookup[i]) === -1; |
| 830 |
} |
| 831 |
} |
| 832 |
} |
| 833 |
|
| 834 |
return ok; |
| 835 |
} |
| 836 |
})(jQuery); |