| 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 | ||
| 31c171 | 35 | this.shiftkey = false; |
| S | 36 | |
| 6b47de | 37 | this.multiselect = false; |
| T | 38 | this.draggable = false; |
| 39 | this.keyboard = false; | |
| 40 | ||
| 41 | this.dont_select = false; | |
| 42 | this.drag_active = false; | |
| 43 | this.last_selected = 0; | |
| 44 | this.in_selection_before = false; | |
| 45 | this.focused = false; | |
| 46 | this.drag_mouse_start = null; | |
| 47 | this.dblclick_time = 600; | |
| 48 | this.row_init = function(){}; | |
| 49 | this.events = { click:[], dblclick:[], select:[], keypress:[], dragstart:[], dragend:[] }; | |
| 50 | ||
| 51 | // overwrite default paramaters | |
| 52 | if (p && typeof(p)=='object') | |
| 53 | for (var n in p) | |
| 54 | this[n] = p[n]; | |
| 55 | } | |
| 56 | ||
| 57 | ||
| 58 | rcube_list_widget.prototype = { | |
| 59 | ||
| 60 | ||
| 61 | /** | |
| 62 | * get all message rows from HTML table and init each row | |
| 63 | */ | |
| 64 | init: function() | |
| 65 | { | |
| 66 | if (this.list && this.list.tBodies[0]) | |
| 67 | { | |
| 68 | this.rows = new Array(); | |
| 69 | ||
| 70 | var row; | |
| 71 | for(var r=0; r<this.list.tBodies[0].childNodes.length; r++) | |
| 72 | { | |
| 73 | row = this.list.tBodies[0].childNodes[r]; | |
| 74 | while (row && (row.nodeType != 1 || row.style.display == 'none')) | |
| 75 | { | |
| 76 | row = row.nextSibling; | |
| 77 | r++; | |
| 78 | } | |
| 79 | ||
| 80 | this.init_row(row); | |
| 81 | } | |
| 82 | ||
| 83 | this.frame = this.list.parentNode; | |
| 84 | ||
| 85 | // set body events | |
| 86 | if (this.keyboard) | |
| 87 | rcube_event.add_listener({element:document, event:'keydown', object:this, method:'key_press'}); | |
| 88 | } | |
| 89 | }, | |
| 90 | ||
| 91 | ||
| 92 | /** | |
| 93 | * | |
| 94 | */ | |
| 95 | init_row: function(row) | |
| 96 | { | |
| 97 | // make references in internal array and set event handlers | |
| 98 | if (row && String(row.id).match(/rcmrow([0-9]+)/)) | |
| 99 | { | |
| 100 | var p = this; | |
| 101 | var uid = RegExp.$1; | |
| 102 | row.uid = uid; | |
| 103 | this.rows[uid] = {uid:uid, id:row.id, obj:row, classname:row.className}; | |
| 104 | ||
| 105 | // set eventhandlers to table row | |
| 106 | row.onmousedown = function(e){ return p.drag_row(e, this.uid); }; | |
| 107 | row.onmouseup = function(e){ return p.click_row(e, this.uid); }; | |
| 108 | ||
| 109 | if (document.all) | |
| 110 | row.onselectstart = function() { return false; }; | |
| 111 | ||
| 112 | this.row_init(this.rows[uid]); | |
| 113 | } | |
| 114 | }, | |
| 115 | ||
| 116 | ||
| 117 | /** | |
| 118 | * | |
| 119 | */ | |
| 120 | clear: function() | |
| 121 | { | |
| 122 | var tbody = document.createElement('TBODY'); | |
| 123 | this.list.insertBefore(tbody, this.list.tBodies[0]); | |
| 124 | this.list.removeChild(this.list.tBodies[1]); | |
| 125 | this.rows = new Array(); | |
| 126 | }, | |
| 127 | ||
| 128 | ||
| 129 | /** | |
| 130 | * 'remove' message row from list (just hide it) | |
| 131 | */ | |
| 132 | remove_row: function(uid) | |
| 133 | { | |
| 134 | if (this.rows[uid].obj) | |
| 135 | this.rows[uid].obj.style.display = 'none'; | |
| 136 | ||
| 137 | this.rows[uid] = null; | |
| 138 | }, | |
| 139 | ||
| 140 | ||
| 141 | /** | |
| 142 | * | |
| 143 | */ | |
| 144 | insert_row: function(row, attop) | |
| 145 | { | |
| 146 | var tbody = this.list.tBodies[0]; | |
| 147 | ||
| 148 | if (attop && tbody.rows.length) | |
| 149 | tbody.insertBefore(row, tbody.firstChild); | |
| 150 | else | |
| 151 | tbody.appendChild(row); | |
| 152 | ||
| 153 | this.init_row(row); | |
| 154 | }, | |
| 155 | ||
| 156 | ||
| 157 | ||
| 158 | /** | |
| 159 | * Set focur to the list | |
| 160 | */ | |
| 161 | focus: function(e) | |
| 162 | { | |
| 163 | this.focused = true; | |
| 164 | for (var n=0; n<this.selection.length; n++) | |
| 165 | { | |
| 166 | id = this.selection[n]; | |
| 167 | if (this.rows[id].obj) | |
| 168 | { | |
| 169 | this.set_classname(this.rows[id].obj, 'selected', true); | |
| 170 | this.set_classname(this.rows[id].obj, 'unfocused', false); | |
| 171 | } | |
| 172 | } | |
| 173 | ||
| 174 | if (e || (e = window.event)) | |
| 175 | rcube_event.cancel(e); | |
| 176 | }, | |
| 177 | ||
| 178 | ||
| 179 | /** | |
| 180 | * remove focus from the list | |
| 181 | */ | |
| 182 | blur: function() | |
| 183 | { | |
| 184 | var id; | |
| 185 | this.focused = false; | |
| 186 | for (var n=0; n<this.selection.length; n++) | |
| 187 | { | |
| 188 | id = this.selection[n]; | |
| 189 | if (this.rows[id] && this.rows[id].obj) | |
| 190 | { | |
| 191 | this.set_classname(this.rows[id].obj, 'selected', false); | |
| 192 | this.set_classname(this.rows[id].obj, 'unfocused', true); | |
| 193 | } | |
| 194 | } | |
| 195 | }, | |
| 196 | ||
| 197 | ||
| 198 | /** | |
| 199 | * onmousedown-handler of message list row | |
| 200 | */ | |
| 201 | drag_row: function(e, id) | |
| 202 | { | |
| 203 | this.in_selection_before = this.in_selection(id) ? id : false; | |
| 204 | ||
| 205 | // don't do anything (another action processed before) | |
| 206 | if (this.dont_select) | |
| 207 | return false; | |
| 208 | ||
| 209 | // selects currently unselected row | |
| 210 | if (!this.in_selection_before) | |
| 211 | { | |
| 212 | var mod_key = rcube_event.get_modifier(e); | |
| 213 | this.select_row(id, mod_key, false); | |
| 214 | } | |
| 215 | ||
| 216 | if (this.draggable && this.selection.length) | |
| 217 | { | |
| 218 | this.drag_start = true; | |
| 219 | this.drag_mouse_start = rcube_event.get_mouse_pos(e); | |
| 220 | rcube_event.add_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'}); | |
| 221 | rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'}); | |
| 222 | } | |
| 223 | ||
| 224 | return false; | |
| 225 | }, | |
| 226 | ||
| 227 | ||
| 228 | /** | |
| 229 | * onmouseup-handler of message list row | |
| 230 | */ | |
| 231 | click_row: function(e, id) | |
| 232 | { | |
| 233 | var now = new Date().getTime(); | |
| 234 | var mod_key = rcube_event.get_modifier(e); | |
| 235 | ||
| 236 | // don't do anything (another action processed before) | |
| 237 | if (this.dont_select) | |
| 238 | { | |
| 239 | this.dont_select = false; | |
| 240 | return false; | |
| 241 | } | |
| 242 | ||
| 243 | var dblclicked = now - this.rows[id].clicked < this.dblclick_time; | |
| 244 | ||
| 245 | // unselects currently selected row | |
| 246 | if (!this.drag_active && this.in_selection_before == id && !dblclicked) | |
| 247 | this.select_row(id, mod_key, false); | |
| 248 | ||
| 249 | this.drag_start = false; | |
| 250 | this.in_selection_before = false; | |
| 251 | ||
| 252 | // row was double clicked | |
| 253 | if (this.rows && dblclicked && this.in_selection(id)) | |
| 254 | this.trigger_event('dblclick'); | |
| 255 | else | |
| 256 | this.trigger_event('click'); | |
| 257 | ||
| 258 | if (!this.drag_active) | |
| 259 | rcube_event.cancel(e); | |
| 260 | ||
| 261 | this.rows[id].clicked = now; | |
| 262 | return false; | |
| 263 | }, | |
| 264 | ||
| 265 | ||
| 266 | /** | |
| 267 | * get next and previous rows that are not hidden | |
| 268 | */ | |
| 269 | get_next_row: function() | |
| 270 | { | |
| 271 | if (!this.rows) | |
| 272 | return false; | |
| 273 | ||
| 274 | var last_selected_row = this.rows[this.last_selected]; | |
| 275 | var new_row = last_selected_row && last_selected_row.obj.nextSibling; | |
| 276 | while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none')) | |
| 277 | new_row = new_row.nextSibling; | |
| 278 | ||
| 279 | return new_row; | |
| 280 | }, | |
| 281 | ||
| 282 | get_prev_row: function() | |
| 283 | { | |
| 284 | if (!this.rows) | |
| 285 | return false; | |
| 286 | ||
| 287 | var last_selected_row = this.rows[this.last_selected]; | |
| 288 | var new_row = last_selected_row && last_selected_row.obj.previousSibling; | |
| 289 | while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none')) | |
| 290 | new_row = new_row.previousSibling; | |
| 291 | ||
| 292 | return new_row; | |
| 293 | }, | |
| 294 | ||
| 295 | ||
| 296 | // selects or unselects the proper row depending on the modifier key pressed | |
| 297 | select_row: function(id, mod_key, with_mouse) | |
| 298 | { | |
| 299 | var select_before = this.selection.join(','); | |
| 300 | if (!this.multiselect) | |
| 301 | mod_key = 0; | |
| 302 | ||
| 303 | if (!mod_key) | |
| 304 | { | |
| 305 | this.shift_start = id; | |
| 306 | this.highlight_row(id, false); | |
| 307 | } | |
| 308 | else | |
| 309 | { | |
| 310 | switch (mod_key) | |
| 311 | { | |
| 312 | case SHIFT_KEY: | |
| 313 | this.shift_select(id, false); | |
| 314 | break; | |
| 315 | ||
| 316 | case CONTROL_KEY: | |
| 317 | this.shift_start = id; | |
| 318 | if (!with_mouse) | |
| 319 | this.highlight_row(id, true); | |
| 320 | break; | |
| 321 | ||
| 322 | case CONTROL_SHIFT_KEY: | |
| 323 | this.shift_select(id, true); | |
| 324 | break; | |
| 325 | ||
| 326 | default: | |
| 327 | this.highlight_row(id, false); | |
| 328 | break; | |
| 329 | } | |
| 330 | } | |
| 331 | ||
| 332 | // trigger event if selection changed | |
| 333 | if (this.selection.join(',') != select_before) | |
| 334 | this.trigger_event('select'); | |
| 335 | ||
| 336 | if (this.last_selected != 0 && this.rows[this.last_selected]) | |
| 337 | this.set_classname(this.rows[this.last_selected].obj, 'focused', false); | |
| 338 | ||
| 339 | this.last_selected = id; | |
| 340 | this.set_classname(this.rows[id].obj, 'focused', true); | |
| 341 | }, | |
| 342 | ||
| 343 | ||
| 344 | /** | |
| 345 | * Alias method for select_row | |
| 346 | */ | |
| 347 | select: function(id) | |
| 348 | { | |
| 349 | this.select_row(id, false); | |
| 350 | this.scrollto(id); | |
| 351 | }, | |
| 352 | ||
| 353 | ||
| 354 | /** | |
| 355 | * Select row next to the last selected one. | |
| 356 | * Either below or above. | |
| 357 | */ | |
| 358 | select_next: function() | |
| 359 | { | |
| 360 | var next_row = this.get_next_row(); | |
| 361 | var prev_row = this.get_prev_row(); | |
| 362 | var new_row = (next_row) ? next_row : prev_row; | |
| 363 | if (new_row) | |
| 364 | this.select_row(new_row.uid, false, false); | |
| 365 | }, | |
| 366 | ||
| 367 | ||
| 368 | /** | |
| 369 | * Perform selection when shift key is pressed | |
| 370 | */ | |
| 371 | shift_select: function(id, control) | |
| 372 | { | |
| 373 | var from_rowIndex = this.rows[this.shift_start].obj.rowIndex; | |
| 374 | var to_rowIndex = this.rows[id].obj.rowIndex; | |
| 375 | ||
| 376 | var i = ((from_rowIndex < to_rowIndex)? from_rowIndex : to_rowIndex); | |
| 377 | var j = ((from_rowIndex > to_rowIndex)? from_rowIndex : to_rowIndex); | |
| 378 | ||
| 379 | // iterate through the entire message list | |
| 380 | for (var n in this.rows) | |
| 381 | { | |
| 382 | if ((this.rows[n].obj.rowIndex >= i) && (this.rows[n].obj.rowIndex <= j)) | |
| 383 | { | |
| 384 | if (!this.in_selection(n)) | |
| 385 | this.highlight_row(n, true); | |
| 386 | } | |
| 387 | else | |
| 388 | { | |
| 389 | if (this.in_selection(n) && !control) | |
| 390 | this.highlight_row(n, true); | |
| 391 | } | |
| 392 | } | |
| 393 | }, | |
| 394 | ||
| 395 | ||
| 396 | /** | |
| 397 | * Check if given id is part of the current selection | |
| 398 | */ | |
| 399 | in_selection: function(id) | |
| 400 | { | |
| 401 | for(var n in this.selection) | |
| 402 | if (this.selection[n]==id) | |
| 403 | return true; | |
| 404 | ||
| 405 | return false; | |
| 406 | }, | |
| 407 | ||
| 408 | ||
| 409 | /** | |
| 410 | * Select each row in list | |
| 411 | */ | |
| 412 | select_all: function(filter) | |
| 413 | { | |
| 414 | if (!this.rows || !this.rows.length) | |
| 415 | return false; | |
| 416 | ||
| 417 | // reset selection first | |
| 418 | this.clear_selection(); | |
| 419 | ||
| 420 | for (var n in this.rows) | |
| 421 | { | |
| 422 | if (!filter || this.rows[n][filter]==true) | |
| 423 | { | |
| 424 | this.last_selected = n; | |
| 425 | this.highlight_row(n, true); | |
| 426 | } | |
| 427 | } | |
| 428 | ||
| 429 | return true; | |
| 430 | }, | |
| 431 | ||
| 432 | ||
| 433 | /** | |
| 434 | * Unselect all selected rows | |
| 435 | */ | |
| 436 | clear_selection: function() | |
| 437 | { | |
| 438 | for(var n=0; n<this.selection.length; n++) | |
| 439 | if (this.rows[this.selection[n]]) | |
| 440 | { | |
| 441 | this.set_classname(this.rows[this.selection[n]].obj, 'selected', false); | |
| 442 | this.set_classname(this.rows[this.selection[n]].obj, 'unfocused', false); | |
| 443 | } | |
| 444 | ||
| 445 | this.selection = new Array(); | |
| 446 | }, | |
| 447 | ||
| 448 | ||
| 449 | /** | |
| 450 | * Getter for the selection array | |
| 451 | */ | |
| 452 | get_selection: function() | |
| 453 | { | |
| 454 | return this.selection; | |
| 455 | }, | |
| 456 | ||
| 457 | ||
| 458 | /** | |
| 459 | * Return the ID if only one row is selected | |
| 460 | */ | |
| 461 | get_single_selection: function() | |
| 462 | { | |
| 463 | if (this.selection.length == 1) | |
| 464 | return this.selection[0]; | |
| 465 | else | |
| 466 | return null; | |
| 467 | }, | |
| 468 | ||
| 469 | ||
| 470 | /** | |
| 471 | * Highlight/unhighlight a row | |
| 472 | */ | |
| 473 | highlight_row: function(id, multiple) | |
| 474 | { | |
| 475 | if (this.rows[id] && !multiple) | |
| 476 | { | |
| 477 | this.clear_selection(); | |
| 478 | this.selection[0] = id; | |
| 479 | this.set_classname(this.rows[id].obj, 'selected', true) | |
| 480 | } | |
| 481 | else if (this.rows[id]) | |
| 482 | { | |
| 483 | if (!this.in_selection(id)) // select row | |
| 484 | { | |
| 485 | this.selection[this.selection.length] = id; | |
| 486 | this.set_classname(this.rows[id].obj, 'selected', true); | |
| 487 | } | |
| 488 | else // unselect row | |
| 489 | { | |
| 490 | var p = find_in_array(id, this.selection); | |
| 491 | var a_pre = this.selection.slice(0, p); | |
| 492 | var a_post = this.selection.slice(p+1, this.selection.length); | |
| 493 | this.selection = a_pre.concat(a_post); | |
| 494 | this.set_classname(this.rows[id].obj, 'selected', false); | |
| 495 | this.set_classname(this.rows[id].obj, 'unfocused', false); | |
| 496 | } | |
| 497 | } | |
| 498 | }, | |
| 499 | ||
| 500 | ||
| 501 | /** | |
| 502 | * Handler for keyboard events | |
| 503 | */ | |
| 504 | key_press: function(e) | |
| 505 | { | |
| 506 | if (this.focused != true) | |
| 507 | return true; | |
| 508 | ||
| 31c171 | 509 | this.shiftkey = e.shiftKey; |
| S | 510 | |
| 6b47de | 511 | var keyCode = document.layers ? e.which : document.all ? event.keyCode : document.getElementById ? e.keyCode : 0; |
| T | 512 | var mod_key = rcube_event.get_modifier(e); |
| 513 | switch (keyCode) | |
| 514 | { | |
| 515 | case 40: | |
| 516 | case 38: | |
| 517 | return this.use_arrow_key(keyCode, mod_key); | |
| 518 | break; | |
| 519 | ||
| 520 | default: | |
| 521 | this.key_pressed = keyCode; | |
| 522 | this.trigger_event('keypress'); | |
| 523 | } | |
| 524 | ||
| 525 | return true; | |
| 526 | }, | |
| 527 | ||
| 528 | ||
| 529 | /** | |
| 530 | * Special handling method for arrow keys | |
| 531 | */ | |
| 532 | use_arrow_key: function(keyCode, mod_key) | |
| 533 | { | |
| 534 | var new_row; | |
| 535 | if (keyCode == 40) // down arrow key pressed | |
| 536 | new_row = this.get_next_row(); | |
| 537 | else if (keyCode == 38) // up arrow key pressed | |
| 538 | new_row = this.get_prev_row(); | |
| 539 | ||
| 540 | if (new_row) | |
| 541 | { | |
| 542 | this.select_row(new_row.uid, mod_key, true); | |
| 543 | this.scrollto(new_row.uid); | |
| 544 | } | |
| 545 | ||
| 546 | return false; | |
| 547 | }, | |
| 548 | ||
| 549 | ||
| 550 | /** | |
| 551 | * Try to scroll the list to make the specified row visible | |
| 552 | */ | |
| 553 | scrollto: function(id) | |
| 554 | { | |
| 555 | var row = this.rows[id].obj; | |
| 556 | if (row && this.frame) | |
| 557 | { | |
| 558 | var scroll_to = Number(row.offsetTop); | |
| 559 | ||
| 560 | if (scroll_to < Number(this.frame.scrollTop)) | |
| 561 | this.frame.scrollTop = scroll_to; | |
| 562 | else if (scroll_to + Number(row.offsetHeight) > Number(this.frame.scrollTop) + Number(this.frame.offsetHeight)) | |
| 563 | this.frame.scrollTop = (scroll_to + Number(row.offsetHeight)) - Number(this.frame.offsetHeight); | |
| 564 | } | |
| 565 | }, | |
| 566 | ||
| 567 | ||
| 568 | /** | |
| 569 | * Handler for mouse move events | |
| 570 | */ | |
| 571 | drag_mouse_move: function(e) | |
| 572 | { | |
| 573 | if (this.drag_start) | |
| 574 | { | |
| 575 | // check mouse movement, of less than 3 pixels, don't start dragging | |
| 576 | var m = rcube_event.get_mouse_pos(e); | |
| 577 | 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)) | |
| 578 | return false; | |
| 579 | ||
| 580 | if (!this.draglayer) | |
| 581 | this.draglayer = new rcube_layer('rcmdraglayer', {x:0, y:0, width:300, vis:0, zindex:2000}); | |
| 582 | ||
| 583 | // get subjects of selectedd messages | |
| 584 | var names = ''; | |
| 585 | var c, subject, obj; | |
| 586 | for(var n=0; n<this.selection.length; n++) | |
| 587 | { | |
| 588 | if (n>12) // only show 12 lines | |
| 589 | { | |
| 590 | names += '...'; | |
| 591 | break; | |
| 592 | } | |
| 593 | ||
| 594 | if (this.rows[this.selection[n]].obj) | |
| 595 | { | |
| 596 | obj = this.rows[this.selection[n]].obj; | |
| 597 | subject = ''; | |
| 598 | ||
| 599 | for(c=0; c<obj.childNodes.length; c++) | |
| 600 | if (!subject && obj.childNodes[c].nodeName=='TD' && obj.childNodes[c].firstChild && obj.childNodes[c].firstChild.nodeType==3) | |
| 601 | { | |
| 602 | subject = obj.childNodes[c].firstChild.data; | |
| 603 | names += (subject.length > 50 ? subject.substring(0, 50)+'...' : subject) + '<br />'; | |
| 604 | } | |
| 605 | } | |
| 606 | } | |
| 607 | ||
| 608 | this.draglayer.write(names); | |
| 609 | this.draglayer.show(1); | |
| 610 | ||
| 611 | this.drag_active = true; | |
| 612 | this.trigger_event('dragstart'); | |
| 613 | } | |
| 614 | ||
| 615 | if (this.drag_active && this.draglayer) | |
| 616 | { | |
| 617 | var pos = rcube_event.get_mouse_pos(e); | |
| 618 | this.draglayer.move(pos.x+20, pos.y-5); | |
| 619 | } | |
| 620 | ||
| 621 | this.drag_start = false; | |
| 622 | ||
| 623 | return false; | |
| 624 | }, | |
| 625 | ||
| 626 | ||
| 627 | /** | |
| 628 | * Handler for mouse up events | |
| 629 | */ | |
| 630 | drag_mouse_up: function(e) | |
| 631 | { | |
| 632 | document.onmousemove = null; | |
| 633 | ||
| 634 | if (this.draglayer && this.draglayer.visible) | |
| 635 | this.draglayer.show(0); | |
| 636 | ||
| 637 | this.drag_active = false; | |
| 638 | this.trigger_event('dragend'); | |
| 639 | ||
| 640 | rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'}); | |
| 641 | rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'}); | |
| 642 | ||
| 643 | return rcube_event.cancel(e); | |
| 644 | }, | |
| 645 | ||
| 646 | ||
| 647 | ||
| 648 | /** | |
| 649 | * set/unset a specific class name | |
| 650 | */ | |
| 651 | set_classname: function(obj, classname, set) | |
| 652 | { | |
| 653 | var reg = new RegExp('\s*'+classname, 'i'); | |
| 654 | if (!set && obj.className.match(reg)) | |
| 655 | obj.className = obj.className.replace(reg, ''); | |
| 656 | else if (set && !obj.className.match(reg)) | |
| 657 | obj.className += ' '+classname; | |
| 658 | }, | |
| 659 | ||
| 660 | ||
| 661 | /** | |
| 662 | * Setter for object event handlers | |
| 663 | * | |
| 664 | * @param {String} Event name | |
| 665 | * @param {Function} Handler function | |
| 666 | * @return Listener ID (used to remove this handler later on) | |
| 667 | */ | |
| 668 | addEventListener: function(evt, handler) | |
| 669 | { | |
| 670 | if (this.events[evt]) { | |
| 671 | var handle = this.events[evt].length; | |
| 672 | this.events[evt][handle] = handler; | |
| 673 | return handle; | |
| 674 | } | |
| 675 | else | |
| 676 | return false; | |
| 677 | }, | |
| 678 | ||
| 679 | ||
| 680 | /** | |
| 681 | * Removes a specific event listener | |
| 682 | * | |
| 683 | * @param {String} Event name | |
| 684 | * @param {Int} Listener ID to remove | |
| 685 | */ | |
| 686 | removeEventListener: function(evt, handle) | |
| 687 | { | |
| 688 | if (this.events[evt] && this.events[evt][handle]) | |
| 689 | this.events[evt][handle] = null; | |
| 690 | }, | |
| 691 | ||
| 692 | ||
| 693 | /** | |
| 694 | * This will execute all registered event handlers | |
| 695 | * @private | |
| 696 | */ | |
| 697 | trigger_event: function(evt) | |
| 698 | { | |
| 699 | if (this.events[evt] && this.events[evt].length) { | |
| 700 | for (var i=0; i<this.events[evt].length; i++) | |
| 701 | if (typeof(this.events[evt][i]) == 'function') | |
| 702 | this.events[evt][i](this); | |
| 703 | } | |
| 704 | } | |
| 705 | ||
| 706 | ||
| 707 | }; | |
| 708 | ||
