| commit | author | age | ||
| 6b47de | 1 | /* |
| T | 2 | +-----------------------------------------------------------------------+ |
| 3 | | RoundCube List Widget | | |
| 4 | | | | |
| 5 | | This file is part of the RoundCube Webmail client | | |
| 0b7cd3 | 6 | | Copyright (C) 2006-2008, RoundCube Dev, - Switzerland | |
| 6b47de | 7 | | Licensed under the GNU GPL | |
| T | 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 | ||
| d24d20 | 35 | this.subject_col = -1; |
| 31c171 | 36 | this.shiftkey = false; |
| 6b47de | 37 | this.multiselect = false; |
| 21168d | 38 | this.multi_selecting = false; |
| 6b47de | 39 | this.draggable = false; |
| T | 40 | this.keyboard = false; |
| 68b6a9 | 41 | this.toggleselect = false; |
| 6b47de | 42 | |
| T | 43 | this.dont_select = false; |
| 44 | this.drag_active = false; | |
| 45 | this.last_selected = 0; | |
| b2fb95 | 46 | this.shift_start = 0; |
| 6b47de | 47 | this.in_selection_before = false; |
| T | 48 | this.focused = false; |
| 49 | this.drag_mouse_start = null; | |
| 50 | this.dblclick_time = 600; | |
| 51 | this.row_init = function(){}; | |
| 52 | this.events = { click:[], dblclick:[], select:[], keypress:[], dragstart:[], dragend:[] }; | |
| 53 | ||
| 54 | // overwrite default paramaters | |
| 55 | if (p && typeof(p)=='object') | |
| 56 | for (var n in p) | |
| 57 | this[n] = p[n]; | |
| 58 | } | |
| 59 | ||
| 60 | ||
| 61 | rcube_list_widget.prototype = { | |
| 62 | ||
| 63 | ||
| 64 | /** | |
| 65 | * get all message rows from HTML table and init each row | |
| 66 | */ | |
| 67 | init: function() | |
| 68 | { | |
| 69 | if (this.list && this.list.tBodies[0]) | |
| 70 | { | |
| 71 | this.rows = new Array(); | |
| 72 | ||
| 73 | var row; | |
| 74 | for(var r=0; r<this.list.tBodies[0].childNodes.length; r++) | |
| 75 | { | |
| 76 | row = this.list.tBodies[0].childNodes[r]; | |
| 77 | while (row && (row.nodeType != 1 || row.style.display == 'none')) | |
| 78 | { | |
| 79 | row = row.nextSibling; | |
| 80 | r++; | |
| 81 | } | |
| 82 | ||
| 83 | this.init_row(row); | |
| 84 | } | |
| 85 | ||
| 86 | this.frame = this.list.parentNode; | |
| 87 | ||
| 88 | // set body events | |
| 26f5b0 | 89 | if (this.keyboard) { |
| T | 90 | rcube_event.add_listener({element:document, event:'keyup', object:this, method:'key_press'}); |
| 9e7a1b | 91 | rcube_event.add_listener({element:document, event:'keydown', object:this, method:'key_down'}); |
| 26f5b0 | 92 | } |
| 6b47de | 93 | } |
| T | 94 | }, |
| 95 | ||
| 96 | ||
| 97 | /** | |
| 98 | * | |
| 99 | */ | |
| 100 | init_row: function(row) | |
| 101 | { | |
| 102 | // make references in internal array and set event handlers | |
| f11541 | 103 | if (row && String(row.id).match(/rcmrow([a-z0-9\-_=]+)/i)) |
| 6b47de | 104 | { |
| T | 105 | var p = this; |
| 106 | var uid = RegExp.$1; | |
| 107 | row.uid = uid; | |
| 108 | this.rows[uid] = {uid:uid, id:row.id, obj:row, classname:row.className}; | |
| 109 | ||
| 110 | // set eventhandlers to table row | |
| 111 | row.onmousedown = function(e){ return p.drag_row(e, this.uid); }; | |
| 112 | row.onmouseup = function(e){ return p.click_row(e, this.uid); }; | |
| 113 | ||
| 114 | if (document.all) | |
| 115 | row.onselectstart = function() { return false; }; | |
| 116 | ||
| 117 | this.row_init(this.rows[uid]); | |
| 118 | } | |
| 119 | }, | |
| 120 | ||
| 121 | ||
| 122 | /** | |
| 123 | * | |
| 124 | */ | |
| f11541 | 125 | clear: function(sel) |
| 6b47de | 126 | { |
| T | 127 | var tbody = document.createElement('TBODY'); |
| 128 | this.list.insertBefore(tbody, this.list.tBodies[0]); | |
| 129 | this.list.removeChild(this.list.tBodies[1]); | |
| f11541 | 130 | this.rows = new Array(); |
| T | 131 | |
| 132 | if (sel) this.clear_selection(); | |
| 6b47de | 133 | }, |
| T | 134 | |
| 135 | ||
| 136 | /** | |
| 137 | * 'remove' message row from list (just hide it) | |
| 138 | */ | |
| b62656 | 139 | remove_row: function(uid, sel_next) |
| 6b47de | 140 | { |
| T | 141 | if (this.rows[uid].obj) |
| 142 | this.rows[uid].obj.style.display = 'none'; | |
| 143 | ||
| b62656 | 144 | if (sel_next) |
| T | 145 | this.select_next(); |
| 146 | ||
| 6b47de | 147 | this.rows[uid] = null; |
| T | 148 | }, |
| 149 | ||
| 150 | ||
| 151 | /** | |
| 152 | * | |
| 153 | */ | |
| 154 | insert_row: function(row, attop) | |
| 155 | { | |
| 156 | var tbody = this.list.tBodies[0]; | |
| 157 | ||
| 158 | if (attop && tbody.rows.length) | |
| 159 | tbody.insertBefore(row, tbody.firstChild); | |
| 160 | else | |
| 161 | tbody.appendChild(row); | |
| 162 | ||
| 163 | this.init_row(row); | |
| 164 | }, | |
| 165 | ||
| 166 | ||
| 167 | ||
| 168 | /** | |
| 169 | * Set focur to the list | |
| 170 | */ | |
| 171 | focus: function(e) | |
| 172 | { | |
| 173 | this.focused = true; | |
| 174 | for (var n=0; n<this.selection.length; n++) | |
| 175 | { | |
| 176 | id = this.selection[n]; | |
| e78864 | 177 | if (this.rows[id] && this.rows[id].obj) |
| 6b47de | 178 | { |
| T | 179 | this.set_classname(this.rows[id].obj, 'selected', true); |
| 180 | this.set_classname(this.rows[id].obj, 'unfocused', false); | |
| 181 | } | |
| 182 | } | |
| 183 | ||
| 184 | if (e || (e = window.event)) | |
| 185 | rcube_event.cancel(e); | |
| 186 | }, | |
| 187 | ||
| 188 | ||
| 189 | /** | |
| 190 | * remove focus from the list | |
| 191 | */ | |
| 192 | blur: function() | |
| 193 | { | |
| 194 | var id; | |
| 195 | this.focused = false; | |
| 196 | for (var n=0; n<this.selection.length; n++) | |
| 197 | { | |
| 198 | id = this.selection[n]; | |
| 199 | if (this.rows[id] && this.rows[id].obj) | |
| 200 | { | |
| 201 | this.set_classname(this.rows[id].obj, 'selected', false); | |
| 202 | this.set_classname(this.rows[id].obj, 'unfocused', true); | |
| 203 | } | |
| 204 | } | |
| 205 | }, | |
| 206 | ||
| 207 | ||
| 208 | /** | |
| 209 | * onmousedown-handler of message list row | |
| 210 | */ | |
| 211 | drag_row: function(e, id) | |
| 212 | { | |
| 213 | // don't do anything (another action processed before) | |
| a0ce2f | 214 | var evtarget = rcube_event.get_target(e); |
| T | 215 | if (this.dont_select || (evtarget && (evtarget.tagName == 'INPUT' || evtarget.tagName == 'IMG'))) |
| 6b47de | 216 | return false; |
| T | 217 | |
| bf36a9 | 218 | this.in_selection_before = this.in_selection(id) ? id : false; |
| T | 219 | |
| 6b47de | 220 | // selects currently unselected row |
| T | 221 | if (!this.in_selection_before) |
| 222 | { | |
| 223 | var mod_key = rcube_event.get_modifier(e); | |
| 224 | this.select_row(id, mod_key, false); | |
| 225 | } | |
| 226 | ||
| 227 | if (this.draggable && this.selection.length) | |
| 228 | { | |
| 229 | this.drag_start = true; | |
| b2fb95 | 230 | this.drag_mouse_start = rcube_event.get_mouse_pos(e); |
| 6b47de | 231 | rcube_event.add_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'}); |
| T | 232 | rcube_event.add_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'}); |
| 233 | } | |
| 234 | ||
| 235 | return false; | |
| 236 | }, | |
| 237 | ||
| 238 | ||
| 239 | /** | |
| 240 | * onmouseup-handler of message list row | |
| 241 | */ | |
| 242 | click_row: function(e, id) | |
| 243 | { | |
| 244 | var now = new Date().getTime(); | |
| 245 | var mod_key = rcube_event.get_modifier(e); | |
| a0ce2f | 246 | var evtarget = rcube_event.get_target(e); |
| 0b7cd3 | 247 | |
| a0ce2f | 248 | if ((evtarget && (evtarget.tagName == 'INPUT' || evtarget.tagName == 'IMG'))) |
| 0b7cd3 | 249 | return false; |
| T | 250 | |
| 6b47de | 251 | // don't do anything (another action processed before) |
| T | 252 | if (this.dont_select) |
| 253 | { | |
| 254 | this.dont_select = false; | |
| 255 | return false; | |
| 256 | } | |
| 257 | ||
| 258 | var dblclicked = now - this.rows[id].clicked < this.dblclick_time; | |
| 259 | ||
| 260 | // unselects currently selected row | |
| 261 | if (!this.drag_active && this.in_selection_before == id && !dblclicked) | |
| 262 | this.select_row(id, mod_key, false); | |
| 263 | ||
| 264 | this.drag_start = false; | |
| 265 | this.in_selection_before = false; | |
| 266 | ||
| 267 | // row was double clicked | |
| 268 | if (this.rows && dblclicked && this.in_selection(id)) | |
| 269 | this.trigger_event('dblclick'); | |
| 270 | else | |
| 271 | this.trigger_event('click'); | |
| 272 | ||
| 273 | if (!this.drag_active) | |
| 274 | rcube_event.cancel(e); | |
| 275 | ||
| 276 | this.rows[id].clicked = now; | |
| 277 | return false; | |
| 278 | }, | |
| 279 | ||
| 280 | ||
| 281 | /** | |
| 282 | * get next and previous rows that are not hidden | |
| 283 | */ | |
| 284 | get_next_row: function() | |
| 285 | { | |
| 286 | if (!this.rows) | |
| 287 | return false; | |
| 288 | ||
| 289 | var last_selected_row = this.rows[this.last_selected]; | |
| a7d5c6 | 290 | var new_row = last_selected_row ? last_selected_row.obj.nextSibling : null; |
| 6b47de | 291 | while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none')) |
| T | 292 | new_row = new_row.nextSibling; |
| 293 | ||
| 294 | return new_row; | |
| 295 | }, | |
| 296 | ||
| 297 | get_prev_row: function() | |
| 298 | { | |
| 299 | if (!this.rows) | |
| 300 | return false; | |
| 301 | ||
| 302 | var last_selected_row = this.rows[this.last_selected]; | |
| a7d5c6 | 303 | var new_row = last_selected_row ? last_selected_row.obj.previousSibling : null; |
| 6b47de | 304 | while (new_row && (new_row.nodeType != 1 || new_row.style.display == 'none')) |
| T | 305 | new_row = new_row.previousSibling; |
| 306 | ||
| 307 | return new_row; | |
| 308 | }, | |
| 309 | ||
| 310 | ||
| 311 | // selects or unselects the proper row depending on the modifier key pressed | |
| 312 | select_row: function(id, mod_key, with_mouse) | |
| 313 | { | |
| 314 | var select_before = this.selection.join(','); | |
| 315 | if (!this.multiselect) | |
| 316 | mod_key = 0; | |
| b2fb95 | 317 | |
| T | 318 | if (!this.shift_start) |
| 319 | this.shift_start = id | |
| 6b47de | 320 | |
| T | 321 | if (!mod_key) |
| 322 | { | |
| 323 | this.shift_start = id; | |
| 324 | this.highlight_row(id, false); | |
| 21168d | 325 | this.multi_selecting = false; |
| 6b47de | 326 | } |
| T | 327 | else |
| 328 | { | |
| 329 | switch (mod_key) | |
| 330 | { | |
| 331 | case SHIFT_KEY: | |
| b2fb95 | 332 | this.shift_select(id, false); |
| 6b47de | 333 | break; |
| T | 334 | |
| 335 | case CONTROL_KEY: | |
| 336 | if (!with_mouse) | |
| b2fb95 | 337 | this.highlight_row(id, true); |
| 6b47de | 338 | break; |
| T | 339 | |
| 340 | case CONTROL_SHIFT_KEY: | |
| 341 | this.shift_select(id, true); | |
| 342 | break; | |
| 343 | ||
| 344 | default: | |
| b2fb95 | 345 | this.highlight_row(id, false); |
| 6b47de | 346 | break; |
| T | 347 | } |
| 21168d | 348 | this.multi_selecting = true; |
| 6b47de | 349 | } |
| T | 350 | |
| 351 | // trigger event if selection changed | |
| 352 | if (this.selection.join(',') != select_before) | |
| 353 | this.trigger_event('select'); | |
| 354 | ||
| 355 | if (this.last_selected != 0 && this.rows[this.last_selected]) | |
| 356 | this.set_classname(this.rows[this.last_selected].obj, 'focused', false); | |
| a9dda5 | 357 | |
| T | 358 | // unselect if toggleselect is active and the same row was clicked again |
| 359 | if (this.toggleselect && this.last_selected == id) | |
| 360 | { | |
| 361 | this.clear_selection(); | |
| 362 | id = null; | |
| 363 | } | |
| 364 | else | |
| 365 | this.set_classname(this.rows[id].obj, 'focused', true); | |
| 366 | ||
| b2fb95 | 367 | if (!this.selection.length) |
| T | 368 | this.shift_start = null; |
| 6b47de | 369 | |
| T | 370 | this.last_selected = id; |
| 371 | }, | |
| 372 | ||
| 373 | ||
| 374 | /** | |
| 375 | * Alias method for select_row | |
| 376 | */ | |
| 377 | select: function(id) | |
| 378 | { | |
| 379 | this.select_row(id, false); | |
| 380 | this.scrollto(id); | |
| 381 | }, | |
| 382 | ||
| 383 | ||
| 384 | /** | |
| 385 | * Select row next to the last selected one. | |
| 386 | * Either below or above. | |
| 387 | */ | |
| 388 | select_next: function() | |
| 389 | { | |
| 390 | var next_row = this.get_next_row(); | |
| 391 | var prev_row = this.get_prev_row(); | |
| 392 | var new_row = (next_row) ? next_row : prev_row; | |
| 393 | if (new_row) | |
| 394 | this.select_row(new_row.uid, false, false); | |
| 395 | }, | |
| 396 | ||
| 397 | ||
| 398 | /** | |
| 399 | * Perform selection when shift key is pressed | |
| 400 | */ | |
| 401 | shift_select: function(id, control) | |
| 402 | { | |
| b00bd0 | 403 | if (!this.rows[this.shift_start] || !this.selection.length) |
| f2892d | 404 | this.shift_start = id; |
| A | 405 | |
| 6b47de | 406 | var from_rowIndex = this.rows[this.shift_start].obj.rowIndex; |
| T | 407 | var to_rowIndex = this.rows[id].obj.rowIndex; |
| 408 | ||
| 409 | var i = ((from_rowIndex < to_rowIndex)? from_rowIndex : to_rowIndex); | |
| 410 | var j = ((from_rowIndex > to_rowIndex)? from_rowIndex : to_rowIndex); | |
| 411 | ||
| 412 | // iterate through the entire message list | |
| 413 | for (var n in this.rows) | |
| 414 | { | |
| 415 | if ((this.rows[n].obj.rowIndex >= i) && (this.rows[n].obj.rowIndex <= j)) | |
| 416 | { | |
| 417 | if (!this.in_selection(n)) | |
| 418 | this.highlight_row(n, true); | |
| 419 | } | |
| 420 | else | |
| 421 | { | |
| 422 | if (this.in_selection(n) && !control) | |
| 423 | this.highlight_row(n, true); | |
| 424 | } | |
| 425 | } | |
| 426 | }, | |
| 427 | ||
| 428 | ||
| 429 | /** | |
| 430 | * Check if given id is part of the current selection | |
| 431 | */ | |
| 432 | in_selection: function(id) | |
| 433 | { | |
| 434 | for(var n in this.selection) | |
| 435 | if (this.selection[n]==id) | |
| 436 | return true; | |
| 437 | ||
| 438 | return false; | |
| 439 | }, | |
| 440 | ||
| 441 | ||
| 442 | /** | |
| 443 | * Select each row in list | |
| 444 | */ | |
| 445 | select_all: function(filter) | |
| 446 | { | |
| 447 | if (!this.rows || !this.rows.length) | |
| 448 | return false; | |
| 449 | ||
| 1094cd | 450 | // reset but remember selection first |
| T | 451 | var select_before = this.selection.join(','); |
| 6b47de | 452 | this.clear_selection(); |
| T | 453 | |
| 454 | for (var n in this.rows) | |
| 455 | { | |
| 456 | if (!filter || this.rows[n][filter]==true) | |
| 457 | { | |
| 458 | this.last_selected = n; | |
| 459 | this.highlight_row(n, true); | |
| 460 | } | |
| 461 | } | |
| 462 | ||
| 1094cd | 463 | // trigger event if selection changed |
| T | 464 | if (this.selection.join(',') != select_before) |
| 465 | this.trigger_event('select'); | |
| 466 | ||
| d7c226 | 467 | this.focus(); |
| A | 468 | |
| 1094cd | 469 | return true; |
| 6b47de | 470 | }, |
| T | 471 | |
| 472 | ||
| 473 | /** | |
| 474 | * Unselect all selected rows | |
| 475 | */ | |
| 476 | clear_selection: function() | |
| 477 | { | |
| 1094cd | 478 | var num_select = this.selection.length; |
| T | 479 | for (var n=0; n<this.selection.length; n++) |
| 6b47de | 480 | if (this.rows[this.selection[n]]) |
| T | 481 | { |
| 482 | this.set_classname(this.rows[this.selection[n]].obj, 'selected', false); | |
| 483 | this.set_classname(this.rows[this.selection[n]].obj, 'unfocused', false); | |
| 484 | } | |
| 485 | ||
| 1094cd | 486 | this.selection = new Array(); |
| T | 487 | |
| 488 | if (num_select) | |
| 489 | this.trigger_event('select'); | |
| 6b47de | 490 | }, |
| T | 491 | |
| 492 | ||
| 493 | /** | |
| 494 | * Getter for the selection array | |
| 495 | */ | |
| 496 | get_selection: function() | |
| 497 | { | |
| 498 | return this.selection; | |
| 499 | }, | |
| 500 | ||
| 501 | ||
| 502 | /** | |
| 503 | * Return the ID if only one row is selected | |
| 504 | */ | |
| 505 | get_single_selection: function() | |
| 506 | { | |
| 507 | if (this.selection.length == 1) | |
| 508 | return this.selection[0]; | |
| 509 | else | |
| 510 | return null; | |
| 511 | }, | |
| 512 | ||
| 513 | ||
| 514 | /** | |
| 515 | * Highlight/unhighlight a row | |
| 516 | */ | |
| 517 | highlight_row: function(id, multiple) | |
| 518 | { | |
| 519 | if (this.rows[id] && !multiple) | |
| 520 | { | |
| df015d | 521 | if (this.selection.length > 1 || !this.in_selection(id)) |
| T | 522 | { |
| 523 | this.clear_selection(); | |
| 524 | this.selection[0] = id; | |
| 525 | this.set_classname(this.rows[id].obj, 'selected', true); | |
| 526 | } | |
| 6b47de | 527 | } |
| T | 528 | else if (this.rows[id]) |
| 529 | { | |
| 530 | if (!this.in_selection(id)) // select row | |
| 531 | { | |
| 532 | this.selection[this.selection.length] = id; | |
| 533 | this.set_classname(this.rows[id].obj, 'selected', true); | |
| 534 | } | |
| 535 | else // unselect row | |
| 536 | { | |
| 537 | var p = find_in_array(id, this.selection); | |
| 538 | var a_pre = this.selection.slice(0, p); | |
| 539 | var a_post = this.selection.slice(p+1, this.selection.length); | |
| 540 | this.selection = a_pre.concat(a_post); | |
| 541 | this.set_classname(this.rows[id].obj, 'selected', false); | |
| 542 | this.set_classname(this.rows[id].obj, 'unfocused', false); | |
| 543 | } | |
| 544 | } | |
| 545 | }, | |
| 546 | ||
| 547 | ||
| 548 | /** | |
| 549 | * Handler for keyboard events | |
| 550 | */ | |
| 551 | key_press: function(e) | |
| 552 | { | |
| 26f5b0 | 553 | if (this.focused != true) |
| 6b47de | 554 | return true; |
| T | 555 | |
| 26f5b0 | 556 | var keyCode = rcube_event.get_keycode(e); |
| 6b47de | 557 | var mod_key = rcube_event.get_modifier(e); |
| T | 558 | switch (keyCode) |
| 559 | { | |
| 560 | case 40: | |
| 561 | case 38: | |
| 26f5b0 | 562 | case 63233: // "down", in safari keypress |
| T | 563 | case 63232: // "up", in safari keypress |
| 564 | // Stop propagation so that the browser doesn't scroll | |
| 565 | rcube_event.cancel(e); | |
| 6b47de | 566 | return this.use_arrow_key(keyCode, mod_key); |
| T | 567 | default: |
| 110748 | 568 | this.shiftkey = e.shiftKey; |
| 6b47de | 569 | this.key_pressed = keyCode; |
| T | 570 | this.trigger_event('keypress'); |
| 571 | } | |
| 572 | ||
| 573 | return true; | |
| 574 | }, | |
| 575 | ||
| 9e7a1b | 576 | /** |
| T | 577 | * Handler for keydown events |
| 578 | */ | |
| 579 | key_down: function(e) | |
| 580 | { | |
| 581 | switch (rcube_event.get_keycode(e)) | |
| 582 | { | |
| 583 | case 40: | |
| 584 | case 38: | |
| 585 | case 63233: | |
| 586 | case 63232: | |
| 587 | if (!rcube_event.get_modifier(e) && this.focused) | |
| 588 | return rcube_event.cancel(e); | |
| 589 | ||
| 590 | default: | |
| 591 | } | |
| 592 | ||
| 593 | return true; | |
| 594 | }, | |
| 595 | ||
| 6b47de | 596 | |
| T | 597 | /** |
| 598 | * Special handling method for arrow keys | |
| 599 | */ | |
| 600 | use_arrow_key: function(keyCode, mod_key) | |
| 601 | { | |
| 602 | var new_row; | |
| e9b57b | 603 | // Safari uses the nonstandard keycodes 63232/63233 for up/down, if we're |
| A | 604 | // using the keypress event (but not the keydown or keyup event). |
| 605 | if (keyCode == 40 || keyCode == 63233) // down arrow key pressed | |
| 6b47de | 606 | new_row = this.get_next_row(); |
| e9b57b | 607 | else if (keyCode == 38 || keyCode == 63232) // up arrow key pressed |
| 6b47de | 608 | new_row = this.get_prev_row(); |
| T | 609 | |
| 610 | if (new_row) | |
| 611 | { | |
| 612 | this.select_row(new_row.uid, mod_key, true); | |
| 613 | this.scrollto(new_row.uid); | |
| 614 | } | |
| 615 | ||
| 616 | return false; | |
| 617 | }, | |
| 618 | ||
| 619 | ||
| 620 | /** | |
| 621 | * Try to scroll the list to make the specified row visible | |
| 622 | */ | |
| 623 | scrollto: function(id) | |
| 624 | { | |
| 625 | var row = this.rows[id].obj; | |
| 626 | if (row && this.frame) | |
| 627 | { | |
| 628 | var scroll_to = Number(row.offsetTop); | |
| 629 | ||
| 630 | if (scroll_to < Number(this.frame.scrollTop)) | |
| 631 | this.frame.scrollTop = scroll_to; | |
| 632 | else if (scroll_to + Number(row.offsetHeight) > Number(this.frame.scrollTop) + Number(this.frame.offsetHeight)) | |
| 633 | this.frame.scrollTop = (scroll_to + Number(row.offsetHeight)) - Number(this.frame.offsetHeight); | |
| 634 | } | |
| 635 | }, | |
| 636 | ||
| 637 | ||
| 638 | /** | |
| 639 | * Handler for mouse move events | |
| 640 | */ | |
| 641 | drag_mouse_move: function(e) | |
| 642 | { | |
| 643 | if (this.drag_start) | |
| 644 | { | |
| 645 | // check mouse movement, of less than 3 pixels, don't start dragging | |
| 646 | var m = rcube_event.get_mouse_pos(e); | |
| 647 | 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)) | |
| 648 | return false; | |
| 649 | ||
| 650 | if (!this.draglayer) | |
| 651 | this.draglayer = new rcube_layer('rcmdraglayer', {x:0, y:0, width:300, vis:0, zindex:2000}); | |
| 652 | ||
| 653 | // get subjects of selectedd messages | |
| 654 | var names = ''; | |
| d24d20 | 655 | var c, i, node, subject, obj; |
| 6b47de | 656 | for(var n=0; n<this.selection.length; n++) |
| T | 657 | { |
| 658 | if (n>12) // only show 12 lines | |
| 659 | { | |
| 660 | names += '...'; | |
| 661 | break; | |
| 662 | } | |
| 663 | ||
| 664 | if (this.rows[this.selection[n]].obj) | |
| 665 | { | |
| 666 | obj = this.rows[this.selection[n]].obj; | |
| 667 | subject = ''; | |
| 668 | ||
| d24d20 | 669 | for(c=0, i=0; i<obj.childNodes.length; i++) |
| T | 670 | { |
| 671 | if (obj.childNodes[i].nodeName == 'TD') | |
| 6b47de | 672 | { |
| d24d20 | 673 | if (((node = obj.childNodes[i].firstChild) && (node.nodeType==3 || node.nodeName=='A')) && |
| T | 674 | (this.subject_col < 0 || (this.subject_col >= 0 && this.subject_col == c))) |
| 675 | { | |
| 676 | subject = node.nodeType==3 ? node.data : node.innerHTML; | |
| 677 | names += (subject.length > 50 ? subject.substring(0, 50)+'...' : subject) + '<br />'; | |
| 678 | break; | |
| 679 | } | |
| 680 | c++; | |
| 6b47de | 681 | } |
| d24d20 | 682 | } |
| 6b47de | 683 | } |
| T | 684 | } |
| 685 | ||
| 686 | this.draglayer.write(names); | |
| 687 | this.draglayer.show(1); | |
| 688 | ||
| 689 | this.drag_active = true; | |
| 690 | this.trigger_event('dragstart'); | |
| 691 | } | |
| 692 | ||
| 693 | if (this.drag_active && this.draglayer) | |
| 694 | { | |
| 695 | var pos = rcube_event.get_mouse_pos(e); | |
| 696 | this.draglayer.move(pos.x+20, pos.y-5); | |
| 697 | } | |
| 698 | ||
| 699 | this.drag_start = false; | |
| 700 | ||
| 701 | return false; | |
| 702 | }, | |
| 703 | ||
| 704 | ||
| 705 | /** | |
| 706 | * Handler for mouse up events | |
| 707 | */ | |
| 708 | drag_mouse_up: function(e) | |
| 709 | { | |
| 710 | document.onmousemove = null; | |
| 711 | ||
| 712 | if (this.draglayer && this.draglayer.visible) | |
| 713 | this.draglayer.show(0); | |
| 714 | ||
| 715 | this.drag_active = false; | |
| 716 | this.trigger_event('dragend'); | |
| 717 | ||
| 718 | rcube_event.remove_listener({element:document, event:'mousemove', object:this, method:'drag_mouse_move'}); | |
| 719 | rcube_event.remove_listener({element:document, event:'mouseup', object:this, method:'drag_mouse_up'}); | |
| 720 | ||
| 287227 | 721 | this.focus(); |
| A | 722 | |
| 6b47de | 723 | return rcube_event.cancel(e); |
| T | 724 | }, |
| 725 | ||
| 726 | ||
| 727 | ||
| 728 | /** | |
| 729 | * set/unset a specific class name | |
| 730 | */ | |
| 731 | set_classname: function(obj, classname, set) | |
| 732 | { | |
| 733 | var reg = new RegExp('\s*'+classname, 'i'); | |
| 734 | if (!set && obj.className.match(reg)) | |
| 735 | obj.className = obj.className.replace(reg, ''); | |
| 736 | else if (set && !obj.className.match(reg)) | |
| 737 | obj.className += ' '+classname; | |
| 738 | }, | |
| 739 | ||
| 740 | ||
| 741 | /** | |
| 742 | * Setter for object event handlers | |
| 743 | * | |
| 744 | * @param {String} Event name | |
| 745 | * @param {Function} Handler function | |
| 746 | * @return Listener ID (used to remove this handler later on) | |
| 747 | */ | |
| 748 | addEventListener: function(evt, handler) | |
| 749 | { | |
| 750 | if (this.events[evt]) { | |
| 751 | var handle = this.events[evt].length; | |
| 752 | this.events[evt][handle] = handler; | |
| 753 | return handle; | |
| 754 | } | |
| 755 | else | |
| 756 | return false; | |
| 757 | }, | |
| 758 | ||
| 759 | ||
| 760 | /** | |
| 761 | * Removes a specific event listener | |
| 762 | * | |
| 763 | * @param {String} Event name | |
| 764 | * @param {Int} Listener ID to remove | |
| 765 | */ | |
| 766 | removeEventListener: function(evt, handle) | |
| 767 | { | |
| 768 | if (this.events[evt] && this.events[evt][handle]) | |
| 769 | this.events[evt][handle] = null; | |
| 770 | }, | |
| 771 | ||
| 772 | ||
| 773 | /** | |
| 774 | * This will execute all registered event handlers | |
| 775 | * @private | |
| 776 | */ | |
| 777 | trigger_event: function(evt) | |
| 778 | { | |
| 779 | if (this.events[evt] && this.events[evt].length) { | |
| 780 | for (var i=0; i<this.events[evt].length; i++) | |
| 781 | if (typeof(this.events[evt][i]) == 'function') | |
| 782 | this.events[evt][i](this); | |
| 783 | } | |
| 784 | } | |
| 785 | ||
| 786 | ||
| 787 | }; | |
| 788 | ||
