| commit | author | age | ||
| 6b47de | 1 | /* |
| T | 2 | +-----------------------------------------------------------------------+ |
| 3 | | RoundCube List Widget | | |
| 4 | | | | |
| 5 | | This file is part of the RoundCube Webmail client | | |
| 6 | | Copyright (C) 2006, RoundCube Dev, - Switzerland | | |
| 7 | | Licensed under the GNU GPL | | |
| 8 | | | | |
| 9 | +-----------------------------------------------------------------------+ | |
| 10 | | Authors: Thomas Bruederli <roundcube@gmail.com> | | |
| 11 | | Charles McNulty <charles@charlesmcnulty.com> | | |
| 12 | +-----------------------------------------------------------------------+ | |
| 13 | | Requires: common.js | | |
| 14 | +-----------------------------------------------------------------------+ | |
| 15 | ||
| 16 | $Id: list.js 344 2006-09-18 03:49:28Z thomasb $ | |
| 17 | */ | |
| 18 | ||
| 19 | ||
| 20 | /** | |
| 21 | * RoundCube List Widget class | |
| 22 | * @contructor | |
| 23 | */ | |
| 24 | function rcube_list_widget(list, p) | |
| 25 | { | |
| 26 | // static contants | |
| 27 | this.ENTER_KEY = 13; | |
| 28 | this.DELETE_KEY = 46; | |
| 29 | ||
| 30 | this.list = list ? list : null; | |
| 31 | this.frame = null; | |
| 32 | this.rows = []; | |
| 33 | this.selection = []; | |
| 34 | ||
| 35 | this.multiselect = false; | |
| 36 | this.draggable = false; | |
| 37 | this.keyboard = false; | |
| 38 | ||
| 39 | this.dont_select = false; | |
| 40 | this.drag_active = false; | |
| 41 | this.last_selected = 0; | |
| 42 | this.in_selection_before = false; | |
| 43 | this.focused = false; | |
| 44 | this.drag_mouse_start = null; | |
| 45 | this.dblclick_time = 600; | |
| 46 | this.row_init = function(){}; | |
| 47 | this.events = { click:[], dblclick:[], select:[], keypress:[], dragstart:[], dragend:[] }; | |
| 48 | ||
| 49 | // overwrite default paramaters | |
| 50 | if (p && typeof(p)=='object') | |
| 51 | for (var n in p) | |
| 52 | this[n] = p[n]; | |
| 53 | } | |
| 54 | ||
| 55 | ||
| 56 | rcube_list_widget.prototype = { | |
| 57 | ||
| 58 | ||
| 59 | /** | |
| 60 | * get all message rows from HTML table and init each row | |
| 61 | */ | |
| 62 | init: function() | |
| 63 | { | |
| 64 | if (this.list && this.list.tBodies[0]) | |
| 65 | { | |
| 66 | this.rows = new Array(); | |
| 67 | ||
| 68 | var row; | |
| 69 | for(var r=0; r<this.list.tBodies[0].childNodes.length; r++) | |
| 70 | { | |
| 71 | row = this.list.tBodies[0].childNodes[r]; | |
| 72 | while (row && (row.nodeType != 1 || row.style.display == 'none')) | |
| 73 | { | |
| 74 | row = row.nextSibling; | |
| 75 | r++; | |
| 76 | } | |
| 77 | ||
| 78 | this.init_row(row); | |
| 79 | } | |
| 80 | ||
| 81 | this.frame = this.list.parentNode; | |
| 82 | ||
| 83 | // set body events | |
| 84 | if (this.keyboard) | |
| 85 | rcube_event.add_listener({element:document, event:'keydown', object:this, method:'key_press'}); | |
| 86 | } | |
| 87 | }, | |
| 88 | ||
| 89 | ||
| 90 | /** | |
| 91 | * | |
| 92 | */ | |
| 93 | init_row: function(row) | |
| 94 | { | |
| 95 | // make references in internal array and set event handlers | |
| 96 | if (row && String(row.id).match(/rcmrow([0-9]+)/)) | |
| 97 | { | |
| 98 | var p = this; | |
| 99 | var uid = RegExp.$1; | |
| 100 | row.uid = uid; | |
| 101 | this.rows[uid] = {uid:uid, id:row.id, obj:row, classname:row.className}; | |
| 102 | ||
| 103 | // set eventhandlers to table row | |
| 104 | row.onmousedown = function(e){ return p.drag_row(e, this.uid); }; | |
| 105 | row.onmouseup = function(e){ return p.click_row(e, this.uid); }; | |
| 106 | ||
| 107 | if (document.all) | |
| 108 | row.onselectstart = function() { return false; }; | |
| 109 | ||
| 110 | this.row_init(this.rows[uid]); | |
| 111 | } | |
| 112 | }, | |
| 113 | ||
| 114 | ||
| 115 | /** | |
| 116 | * | |
| 117 | */ | |
| 118 | clear: function() | |
| 119 | { | |
| 120 | var tbody = document.createElement('TBODY'); | |
| 121 | this.list.insertBefore(tbody, this.list.tBodies[0]); | |
| 122 | this.list.removeChild(this.list.tBodies[1]); | |
| 123 | this.rows = new Array(); | |
| 124 | }, | |
| 125 | ||
| 126 | ||
| 127 | /** | |
| 128 | * 'remove' message row from list (just hide it) | |
| 129 | */ | |
| 130 | remove_row: function(uid) | |
| 131 | { | |
| 132 | if (this.rows[uid].obj) | |
| 133 | this.rows[uid].obj.style.display = 'none'; | |
| 134 | ||
| 135 | this.rows[uid] = null; | |
| 136 | }, | |
| 137 | ||
| 138 | ||
| 139 | /** | |
| 140 | * | |
| 141 | */ | |
| 142 | insert_row: function(row, attop) | |
| 143 | { | |
| 144 | var tbody = this.list.tBodies[0]; | |
| 145 | ||
| 146 | if (attop && tbody.rows.length) | |
| 147 | tbody.insertBefore(row, tbody.firstChild); | |
| 148 | else | |
| 149 | tbody.appendChild(row); | |
| 150 | ||
| 151 | this.init_row(row); | |
| 152 | }, | |
| 153 | ||
| 154 | ||
| 155 | ||
| 156 | /** | |
| 157 | * Set focur to the list | |
| 158 | */ | |
| 159 | focus: function(e) | |
| 160 | { | |
| 161 | this.focused = true; | |
| 162 | for (var n=0; n<this.selection.length; n++) | |
| 163 | { | |
| 164 | id = this.selection[n]; | |
| 165 | if (this.rows[id].obj) | |
| 166 | { | |
| 167 | this.set_classname(this.rows[id].obj, 'selected', true); | |
| 168 | this.set_classname(this.rows[id].obj, 'unfocused', false); | |
| 169 | } | |
| 170 | } | |
| 171 | ||
| 172 | if (e || (e = window.event)) | |
| 173 | rcube_event.cancel(e); | |
| 174 | }, | |
| 175 | ||
| 176 | ||
| 177 | /** | |
| 178 | * remove focus from the list | |
| 179 | */ | |
| 180 | blur: function() | |
| 181 | { | |
| 182 | var id; | |
| 183 | this.focused = false; | |
| 184 | for (var n=0; n<this.selection.length; n++) | |
| 185 | { | |
| 186 | id = this.selection[n]; | |
| 187 | if (this.rows[id] && this.rows[id].obj) | |
| 188 | { | |
| 189 | this.set_classname(this.rows[id].obj, 'selected', false); | |
| 190 | this.set_classname(this.rows[id].obj, 'unfocused', true); | |
| 191 | } | |
| 192 | } | |
| 193 | }, | |
| 194 | ||
| 195 | ||
| 196 | /** | |
| 197 | * onmousedown-handler of message list row | |
| 198 | */ | |
| 199 | drag_row: function(e, id) | |
| 200 | { | |
| 201 | this.in_selection_before = this.in_selection(id) ? id : false; | |
| 202 | ||
| 203 | // don't do anything (another action processed before) | |
| 204 | if (this.dont_select) | |
| 205 | return false; | |
| 206 | ||
| 207 | // selects currently unselected row | |
| 208 | if (!this.in_selection_before) | |
| 209 | { | |
| 210 | var mod_key = rcube_event.get_modifier(e); | |
| 211 | this.select_row(id, mod_key, false); | |
| 212 | } | |
| 213 | ||
| 214 | if (this.draggable && this.selection.length) | |
| 215 | { | |
| 216 | this.drag_start = true; | |
| 217 | this.drag_mouse_start = rcube_event.get_mouse_pos(e); | |
| 218 | rcube_event.add_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'}); | |
| 219 | rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'}); | |
| 220 | } | |
| 221 | ||
| 222 | return false; | |
| 223 | }, | |
| 224 | ||
| 225 | ||
| 226 | /** | |
| 227 | * onmouseup-handler of message list row | |
| 228 | */ | |
| 229 | click_row: function(e, id) | |
| 230 | { | |
| 231 | var now = new Date().getTime(); | |
| 232 | var mod_key = rcube_event.get_modifier(e); | |
| 233 | ||
| 234 | // don't do anything (another action processed before) | |
| 235 | if (this.dont_select) | |
| 236 | { | |
| 237 | this.dont_select = false; | |
| 238 | return false; | |
| 239 | } | |
| 240 | ||
| 241 | var dblclicked = now - this.rows[id].clicked < this.dblclick_time; | |
| 242 | ||
| 243 | // unselects currently selected row | |
| 244 | if (!this.drag_active && this.in_selection_before == id && !dblclicked) | |
| 245 | this.select_row(id, mod_key, false); | |
| 246 | ||
| 247 | this.drag_start = false; | |
| 248 | this.in_selection_before = false; | |
| 249 | ||
| 250 | // row was double clicked | |
| 251 | if (this.rows && dblclicked && this.in_selection(id)) | |
| 252 | this.trigger_event('dblclick'); | |
| 253 | else | |
| 254 | this.trigger_event('click'); | |
| 255 | ||
| 256 | if (!this.drag_active) | |
| 257 | rcube_event.cancel(e); | |
| 258 | ||
| 259 | this.rows[id].clicked = now; | |
| 260 | return false; | |
| 261 | }, | |
| 262 | ||
| 263 | ||
| 264 | /** | |
| 265 | * get next and previous rows that are not hidden | |
| 266 | */ | |
| 267 | get_next_row: function() | |
| 268 | { | |
| 269 | if (!this.rows) | |
| 270 | return false; | |
| 271 | ||
| 272 | var last_selected_row = this.rows[this.last_selected]; | |
| 273 | var new_row = last_selected_row && last_selected_row.obj.nextSibling; | |
| 274 | while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none')) | |
| 275 | new_row = new_row.nextSibling; | |
| 276 | ||
| 277 | return new_row; | |
| 278 | }, | |
| 279 | ||
| 280 | get_prev_row: function() | |
| 281 | { | |
| 282 | if (!this.rows) | |
| 283 | return false; | |
| 284 | ||
| 285 | var last_selected_row = this.rows[this.last_selected]; | |
| 286 | var new_row = last_selected_row && last_selected_row.obj.previousSibling; | |
| 287 | while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none')) | |
| 288 | new_row = new_row.previousSibling; | |
| 289 | ||
| 290 | return new_row; | |
| 291 | }, | |
| 292 | ||
| 293 | ||
| 294 | // selects or unselects the proper row depending on the modifier key pressed | |
| 295 | select_row: function(id, mod_key, with_mouse) | |
| 296 | { | |
| 297 | var select_before = this.selection.join(','); | |
| 298 | if (!this.multiselect) | |
| 299 | mod_key = 0; | |
| 300 | ||
| 301 | if (!mod_key) | |
| 302 | { | |
| 303 | this.shift_start = id; | |
| 304 | this.highlight_row(id, false); | |
| 305 | } | |
| 306 | else | |
| 307 | { | |
| 308 | switch (mod_key) | |
| 309 | { | |
| 310 | case SHIFT_KEY: | |
| 311 | this.shift_select(id, false); | |
| 312 | break; | |
| 313 | ||
| 314 | case CONTROL_KEY: | |
| 315 | this.shift_start = id; | |
| 316 | if (!with_mouse) | |
| 317 | this.highlight_row(id, true); | |
| 318 | break; | |
| 319 | ||
| 320 | case CONTROL_SHIFT_KEY: | |
| 321 | this.shift_select(id, true); | |
| 322 | break; | |
| 323 | ||
| 324 | default: | |
| 325 | this.highlight_row(id, false); | |
| 326 | break; | |
| 327 | } | |
| 328 | } | |
| 329 | ||
| 330 | // trigger event if selection changed | |
| 331 | if (this.selection.join(',') != select_before) | |
| 332 | this.trigger_event('select'); | |
| 333 | ||
| 334 | if (this.last_selected != 0 && this.rows[this.last_selected]) | |
| 335 | this.set_classname(this.rows[this.last_selected].obj, 'focused', false); | |
| 336 | ||
| 337 | this.last_selected = id; | |
| 338 | this.set_classname(this.rows[id].obj, 'focused', true); | |
| 339 | }, | |
| 340 | ||
| 341 | ||
| 342 | /** | |
| 343 | * Alias method for select_row | |
| 344 | */ | |
| 345 | select: function(id) | |
| 346 | { | |
| 347 | this.select_row(id, false); | |
| 348 | this.scrollto(id); | |
| 349 | }, | |
| 350 | ||
| 351 | ||
| 352 | /** | |
| 353 | * Select row next to the last selected one. | |
| 354 | * Either below or above. | |
| 355 | */ | |
| 356 | select_next: function() | |
| 357 | { | |
| 358 | var next_row = this.get_next_row(); | |
| 359 | var prev_row = this.get_prev_row(); | |
| 360 | var new_row = (next_row) ? next_row : prev_row; | |
| 361 | if (new_row) | |
| 362 | this.select_row(new_row.uid, false, false); | |
| 363 | }, | |
| 364 | ||
| 365 | ||
| 366 | /** | |
| 367 | * Perform selection when shift key is pressed | |
| 368 | */ | |
| 369 | shift_select: function(id, control) | |
| 370 | { | |
| 371 | var from_rowIndex = this.rows[this.shift_start].obj.rowIndex; | |
| 372 | var to_rowIndex = this.rows[id].obj.rowIndex; | |
| 373 | ||
| 374 | var i = ((from_rowIndex < to_rowIndex)? from_rowIndex : to_rowIndex); | |
| 375 | var j = ((from_rowIndex > to_rowIndex)? from_rowIndex : to_rowIndex); | |
| 376 | ||
| 377 | // iterate through the entire message list | |
| 378 | for (var n in this.rows) | |
| 379 | { | |
| 380 | if ((this.rows[n].obj.rowIndex >= i) && (this.rows[n].obj.rowIndex <= j)) | |
| 381 | { | |
| 382 | if (!this.in_selection(n)) | |
| 383 | this.highlight_row(n, true); | |
| 384 | } | |
| 385 | else | |
| 386 | { | |
| 387 | if (this.in_selection(n) && !control) | |
| 388 | this.highlight_row(n, true); | |
| 389 | } | |
| 390 | } | |
| 391 | }, | |
| 392 | ||
| 393 | ||
| 394 | /** | |
| 395 | * Check if given id is part of the current selection | |
| 396 | */ | |
| 397 | in_selection: function(id) | |
| 398 | { | |
| 399 | for(var n in this.selection) | |
| 400 | if (this.selection[n]==id) | |
| 401 | return true; | |
| 402 | ||
| 403 | return false; | |
| 404 | }, | |
| 405 | ||
| 406 | ||
| 407 | /** | |
| 408 | * Select each row in list | |
| 409 | */ | |
| 410 | select_all: function(filter) | |
| 411 | { | |
| 412 | if (!this.rows || !this.rows.length) | |
| 413 | return false; | |
| 414 | ||
| 415 | // reset selection first | |
| 416 | this.clear_selection(); | |
| 417 | ||
| 418 | for (var n in this.rows) | |
| 419 | { | |
| 420 | if (!filter || this.rows[n][filter]==true) | |
| 421 | { | |
| 422 | this.last_selected = n; | |
| 423 | this.highlight_row(n, true); | |
| 424 | } | |
| 425 | } | |
| 426 | ||
| 427 | return true; | |
| 428 | }, | |
| 429 | ||
| 430 | ||
| 431 | /** | |
| 432 | * Unselect all selected rows | |
| 433 | */ | |
| 434 | clear_selection: function() | |
| 435 | { | |
| 436 | for(var n=0; n<this.selection.length; n++) | |
| 437 | if (this.rows[this.selection[n]]) | |
| 438 | { | |
| 439 | this.set_classname(this.rows[this.selection[n]].obj, 'selected', false); | |
| 440 | this.set_classname(this.rows[this.selection[n]].obj, 'unfocused', false); | |
| 441 | } | |
| 442 | ||
| 443 | this.selection = new Array(); | |
| 444 | }, | |
| 445 | ||
| 446 | ||
| 447 | /** | |
| 448 | * Getter for the selection array | |
| 449 | */ | |
| 450 | get_selection: function() | |
| 451 | { | |
| 452 | return this.selection; | |
| 453 | }, | |
| 454 | ||
| 455 | ||
| 456 | /** | |
| 457 | * Return the ID if only one row is selected | |
| 458 | */ | |
| 459 | get_single_selection: function() | |
| 460 | { | |
| 461 | if (this.selection.length == 1) | |
| 462 | return this.selection[0]; | |
| 463 | else | |
| 464 | return null; | |
| 465 | }, | |
| 466 | ||
| 467 | ||
| 468 | /** | |
| 469 | * Highlight/unhighlight a row | |
| 470 | */ | |
| 471 | highlight_row: function(id, multiple) | |
| 472 | { | |
| 473 | if (this.rows[id] && !multiple) | |
| 474 | { | |
| 475 | this.clear_selection(); | |
| 476 | this.selection[0] = id; | |
| 477 | this.set_classname(this.rows[id].obj, 'selected', true) | |
| 478 | } | |
| 479 | else if (this.rows[id]) | |
| 480 | { | |
| 481 | if (!this.in_selection(id)) // select row | |
| 482 | { | |
| 483 | this.selection[this.selection.length] = id; | |
| 484 | this.set_classname(this.rows[id].obj, 'selected', true); | |
| 485 | } | |
| 486 | else // unselect row | |
| 487 | { | |
| 488 | var p = find_in_array(id, this.selection); | |
| 489 | var a_pre = this.selection.slice(0, p); | |
| 490 | var a_post = this.selection.slice(p+1, this.selection.length); | |
| 491 | this.selection = a_pre.concat(a_post); | |
| 492 | this.set_classname(this.rows[id].obj, 'selected', false); | |
| 493 | this.set_classname(this.rows[id].obj, 'unfocused', false); | |
| 494 | } | |
| 495 | } | |
| 496 | }, | |
| 497 | ||
| 498 | ||
| 499 | /** | |
| 500 | * Handler for keyboard events | |
| 501 | */ | |
| 502 | key_press: function(e) | |
| 503 | { | |
| 504 | if (this.focused != true) | |
| 505 | return true; | |
| 506 | ||
| 507 | var keyCode = document.layers ? e.which : document.all ? event.keyCode : document.getElementById ? e.keyCode : 0; | |
| 508 | var mod_key = rcube_event.get_modifier(e); | |
| 509 | switch (keyCode) | |
| 510 | { | |
| 511 | case 40: | |
| 512 | case 38: | |
| 513 | return this.use_arrow_key(keyCode, mod_key); | |
| 514 | break; | |
| 515 | ||
| 516 | default: | |
| 517 | this.key_pressed = keyCode; | |
| 518 | this.trigger_event('keypress'); | |
| 519 | } | |
| 520 | ||
| 521 | return true; | |
| 522 | }, | |
| 523 | ||
| 524 | ||
| 525 | /** | |
| 526 | * Special handling method for arrow keys | |
| 527 | */ | |
| 528 | use_arrow_key: function(keyCode, mod_key) | |
| 529 | { | |
| 530 | var new_row; | |
| 531 | if (keyCode == 40) // down arrow key pressed | |
| 532 | new_row = this.get_next_row(); | |
| 533 | else if (keyCode == 38) // up arrow key pressed | |
| 534 | new_row = this.get_prev_row(); | |
| 535 | ||
| 536 | if (new_row) | |
| 537 | { | |
| 538 | this.select_row(new_row.uid, mod_key, true); | |
| 539 | this.scrollto(new_row.uid); | |
| 540 | } | |
| 541 | ||
| 542 | return false; | |
| 543 | }, | |
| 544 | ||
| 545 | ||
| 546 | /** | |
| 547 | * Try to scroll the list to make the specified row visible | |
| 548 | */ | |
| 549 | scrollto: function(id) | |
| 550 | { | |
| 551 | var row = this.rows[id].obj; | |
| 552 | if (row && this.frame) | |
| 553 | { | |
| 554 | var scroll_to = Number(row.offsetTop); | |
| 555 | ||
| 556 | if (scroll_to < Number(this.frame.scrollTop)) | |
| 557 | this.frame.scrollTop = scroll_to; | |
| 558 | else if (scroll_to + Number(row.offsetHeight) > Number(this.frame.scrollTop) + Number(this.frame.offsetHeight)) | |
| 559 | this.frame.scrollTop = (scroll_to + Number(row.offsetHeight)) - Number(this.frame.offsetHeight); | |
| 560 | } | |
| 561 | }, | |
| 562 | ||
| 563 | ||
| 564 | /** | |
| 565 | * Handler for mouse move events | |
| 566 | */ | |
| 567 | drag_mouse_move: function(e) | |
| 568 | { | |
| 569 | if (this.drag_start) | |
| 570 | { | |
| 571 | // check mouse movement, of less than 3 pixels, don't start dragging | |
| 572 | var m = rcube_event.get_mouse_pos(e); | |
| 573 | if (!this.drag_mouse_start || (Math.abs(m.x - this.drag_mouse_start.x) < 3 && Math.abs(m.y - this.drag_mouse_start.y) < 3)) | |
| 574 | return false; | |
| 575 | ||
| 576 | if (!this.draglayer) | |
| 577 | this.draglayer = new rcube_layer('rcmdraglayer', {x:0, y:0, width:300, vis:0, zindex:2000}); | |
| 578 | ||
| 579 | // get subjects of selectedd messages | |
| 580 | var names = ''; | |
| 581 | var c, subject, obj; | |
| 582 | for(var n=0; n<this.selection.length; n++) | |
| 583 | { | |
| 584 | if (n>12) // only show 12 lines | |
| 585 | { | |
| 586 | names += '...'; | |
| 587 | break; | |
| 588 | } | |
| 589 | ||
| 590 | if (this.rows[this.selection[n]].obj) | |
| 591 | { | |
| 592 | obj = this.rows[this.selection[n]].obj; | |
| 593 | subject = ''; | |
| 594 | ||
| 595 | for(c=0; c<obj.childNodes.length; c++) | |
| 596 | if (!subject && obj.childNodes[c].nodeName=='TD' && obj.childNodes[c].firstChild && obj.childNodes[c].firstChild.nodeType==3) | |
| 597 | { | |
| 598 | subject = obj.childNodes[c].firstChild.data; | |
| 599 | names += (subject.length > 50 ? subject.substring(0, 50)+'...' : subject) + '<br />'; | |
| 600 | } | |
| 601 | } | |
| 602 | } | |
| 603 | ||
| 604 | this.draglayer.write(names); | |
| 605 | this.draglayer.show(1); | |
| 606 | ||
| 607 | this.drag_active = true; | |
| 608 | this.trigger_event('dragstart'); | |
| 609 | } | |
| 610 | ||
| 611 | if (this.drag_active && this.draglayer) | |
| 612 | { | |
| 613 | var pos = rcube_event.get_mouse_pos(e); | |
| 614 | this.draglayer.move(pos.x+20, pos.y-5); | |
| 615 | } | |
| 616 | ||
| 617 | this.drag_start = false; | |
| 618 | ||
| 619 | return false; | |
| 620 | }, | |
| 621 | ||
| 622 | ||
| 623 | /** | |
| 624 | * Handler for mouse up events | |
| 625 | */ | |
| 626 | drag_mouse_up: function(e) | |
| 627 | { | |
| 628 | document.onmousemove = null; | |
| 629 | ||
| 630 | if (this.draglayer && this.draglayer.visible) | |
| 631 | this.draglayer.show(0); | |
| 632 | ||
| 633 | this.drag_active = false; | |
| 634 | this.trigger_event('dragend'); | |
| 635 | ||
| 636 | rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'}); | |
| 637 | rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'}); | |
| 638 | ||
| 639 | return rcube_event.cancel(e); | |
| 640 | }, | |
| 641 | ||
| 642 | ||
| 643 | ||
| 644 | /** | |
| 645 | * set/unset a specific class name | |
| 646 | */ | |
| 647 | set_classname: function(obj, classname, set) | |
| 648 | { | |
| 649 | var reg = new RegExp('\s*'+classname, 'i'); | |
| 650 | if (!set && obj.className.match(reg)) | |
| 651 | obj.className = obj.className.replace(reg, ''); | |
| 652 | else if (set && !obj.className.match(reg)) | |
| 653 | obj.className += ' '+classname; | |
| 654 | }, | |
| 655 | ||
| 656 | ||
| 657 | /** | |
| 658 | * Setter for object event handlers | |
| 659 | * | |
| 660 | * @param {String} Event name | |
| 661 | * @param {Function} Handler function | |
| 662 | * @return Listener ID (used to remove this handler later on) | |
| 663 | */ | |
| 664 | addEventListener: function(evt, handler) | |
| 665 | { | |
| 666 | if (this.events[evt]) { | |
| 667 | var handle = this.events[evt].length; | |
| 668 | this.events[evt][handle] = handler; | |
| 669 | return handle; | |
| 670 | } | |
| 671 | else | |
| 672 | return false; | |
| 673 | }, | |
| 674 | ||
| 675 | ||
| 676 | /** | |
| 677 | * Removes a specific event listener | |
| 678 | * | |
| 679 | * @param {String} Event name | |
| 680 | * @param {Int} Listener ID to remove | |
| 681 | */ | |
| 682 | removeEventListener: function(evt, handle) | |
| 683 | { | |
| 684 | if (this.events[evt] && this.events[evt][handle]) | |
| 685 | this.events[evt][handle] = null; | |
| 686 | }, | |
| 687 | ||
| 688 | ||
| 689 | /** | |
| 690 | * This will execute all registered event handlers | |
| 691 | * @private | |
| 692 | */ | |
| 693 | trigger_event: function(evt) | |
| 694 | { | |
| 695 | if (this.events[evt] && this.events[evt].length) { | |
| 696 | for (var i=0; i<this.events[evt].length; i++) | |
| 697 | if (typeof(this.events[evt][i]) == 'function') | |
| 698 | this.events[evt][i](this); | |
| 699 | } | |
| 700 | } | |
| 701 | ||
| 702 | ||
| 703 | }; | |
| 704 | ||
