webcit/static/wclib.js

   1 //
   2 // $Id: wclib.js,v 625.2 2005/09/18 04:04:32 ajc Exp $
   3 //
   4 // JavaScript function library for WebCit.
   5 //
   6 //
   7
   8
   9 var browserType;
  10 var room_is_trash = 0;
  11
  12 if (document.layers) {browserType = "nn4"}
  13 if (document.all) {browserType = "ie"}
  14 if (window.navigator.userAgent.toLowerCase().match("gecko")) {
  15         browserType= "gecko"
  16 }
  17
  18 var ns6=document.getElementById&&!document.all;
  19
  20
  21
  22 // We love string tokenizers.
  23 function extract_token(source_string, token_num, delimiter) {
  24         var i = 0;
  25         var extracted_string = source_string;
  26
  27         if (token_num > 0) {
  28                 for (i=0; i<token_num; ++i) {
  29                         var j = extracted_string.indexOf(delimiter);
  30                         if (j >= 0) {
  31                                 extracted_string = extracted_string.substr(j+1);
  32                         }
  33                 }
  34         }
  35
  36         j = extracted_string.indexOf(delimiter);
  37         if (j >= 0) {
  38                 extracted_string = extracted_string.substr(0, j);
  39         }
  40
  41         return extracted_string;
  42 }
  43
  44
  45
  46 // This code handles the popups for important-messages.
  47 function hide_imsg_popup() {
  48         if (browserType == "gecko" )
  49                 document.poppedLayer = eval('document.getElementById(\'important_message\')');
  50         else if (browserType == "ie")
  51                 document.poppedLayer = eval('document.all[\'important_message\']');
  52         else
  53                 document.poppedLayer = eval('document.layers[\'`important_message\']');
  54
  55         document.poppedLayer.style.visibility = "hidden";
  56 }
  57
  58
  59 // This function activates the ajax-powered recipient autocompleters on the message entry screen.
  60 function activate_entmsg_autocompleters() {
  61         new Ajax.Autocompleter('cc_id', 'cc_name_choices', 'cc_autocomplete', {} );
  62         new Ajax.Autocompleter('bcc_id', 'bcc_name_choices', 'bcc_autocomplete', {} );
  63         new Ajax.Autocompleter('recp_id', 'recp_name_choices', 'recp_autocomplete', {} );
  64 }
  65
  66
  67
  68 // Toggle the icon bar between menu/roomlist...
  69 var which_div_expanded = null;
  70 var num_drop_targets = 0;
  71 var drop_targets_elements = new Array();
  72 var drop_targets_roomnames = new Array();
  73
  74 function switch_to_room_list() {
  75         $('iconbar').innerHTML = $('iconbar').innerHTML.substr(0, $('iconbar').innerHTML.indexOf('switch'));
  76         new Ajax.Updater('iconbar', 'iconbar_ajax_rooms', { method: 'get' } );
  77 }
  78
  79 function expand_floor(floor_div) {
  80         if (which_div_expanded != null) {
  81                 if ($(which_div_expanded) != null) {
  82                         $(which_div_expanded).style.display = 'none' ;
  83                 }
  84         }
  85
  86         // clicking on the already-expanded floor causes the whole list to collapse
  87         if (which_div_expanded == floor_div) {
  88                 which_div_expanded = null;
  89
  90                 // notify the server that no floors are expanded
  91                 new Ajax.Request(
  92                         'set_floordiv_expanded/-1', {
  93                                 method: 'post'
  94                         }
  95                 );
  96                 return true;
  97         }
  98
  99         // expand the requested floor
 100         $(floor_div).style.display = 'block';
 101         which_div_expanded = floor_div;
 102
 103         // notify the server of which floor is expanded
 104         new Ajax.Request(
 105                 'set_floordiv_expanded/'+floor_div, {
 106                         method: 'post'
 107                 }
 108         );
 109 }
 110
 111 function switch_to_menu_buttons() {
 112         which_div_expanded = null;
 113         num_drop_targets = 0;
 114         new Ajax.Updater('iconbar', 'iconbar_ajax_menu', { method: 'get' } );
 115 }
 116
 117
 118 // Static variables for mailbox view...
 119 //
 120 var CtdlNumMsgsSelected = 0;
 121 var CtdlMsgsSelected = new Array();
 122
 123 // This gets called when you single click on a message in the mailbox view.
 124 // We know that the element id of the table row will be the letter 'm' plus the message number.
 125 //
 126 function CtdlSingleClickMsg(evt, msgnum) {
 127
 128         // Clear the preview pane until we load the new message
 129         $('preview_pane').innerHTML = '';
 130
 131         // De-select any messages that were already selected, *unless* the Ctrl key
 132         // is being pressed, in which case the user wants multi select.
 133         if (!evt.ctrlKey) {
 134                 if (CtdlNumMsgsSelected > 0) {
 135                         for (i=0; i<CtdlNumMsgsSelected; ++i) {
 136                                 $('m'+CtdlMsgsSelected[i]).style.backgroundColor = '#fff';
 137                                 $('m'+CtdlMsgsSelected[i]).style.color = '#000';
 138                         }
 139                         CtdlNumMsgsSelected = 0;
 140                 }
 141         }
 142
 143         // For multi select ... is the message being clicked already selected?
 144         already_selected = 0;
 145         if ( (evt.ctrlKey) && (CtdlNumMsgsSelected > 0) ) {
 146                 for (i=0; i<CtdlNumMsgsSelected; ++i) {
 147                         if (CtdlMsgsSelected[i] == msgnum) {
 148                                 already_selected = 1;
 149                                 already_selected_pos = i;
 150                         }
 151                 }
 152         }
 153
 154         // Now select (or de-select) the message
 155         if ( (evt.ctrlKey) && (already_selected == 1) ) {
 156
 157                 // Deselect: first un-highlight it...
 158                 $('m'+msgnum).style.backgroundColor = '#fff';
 159                 $('m'+msgnum).style.color = '#000';
 160
 161                 // Then remove it from the selected messages list.
 162                 for (i=already_selected_pos; i<(CtdlNumMsgsSelected-1); ++i) {
 163                         CtdlMsgsSelected[i] = CtdlMsgsSelected[i+1];
 164                 }
 165                 CtdlNumMsgsSelected = CtdlNumMsgsSelected - 1;
 166
 167         }
 168         else {
 169                 // Select: first highlight it...
 170                 $('m'+msgnum).style.backgroundColor='#69aaff';
 171                 $('m'+msgnum).style.color='#fff';
 172
 173                 // Then add it to the selected messages list.
 174                 CtdlNumMsgsSelected = CtdlNumMsgsSelected + 1;
 175                 CtdlMsgsSelected[CtdlNumMsgsSelected-1] = msgnum;
 176         }
 177
 178         // Update the preview pane
 179         new Ajax.Updater('preview_pane', 'msg/'+msgnum, { method: 'get' } );
 180
 181         // Mark the message as read
 182         new Ajax.Request(
 183                 'ajax_servcmd', {
 184                         method: 'post',
 185                         parameters: 'g_cmd=SEEN '+msgnum+'|1',
 186                         onComplete: CtdlRemoveTheUnseenBold(msgnum)
 187                 }
 188         );
 189
 190         return false;           // try to defeat the default click behavior
 191 }
 192
 193 // Delete selected messages.
 194 function CtdlDeleteSelectedMessages(evt) {
 195
 196         if (CtdlNumMsgsSelected < 1) {
 197                 // Nothing to delete, so exit silently.
 198                 return false;
 199         }
 200         for (i=0; i<CtdlNumMsgsSelected; ++i) {
 201                 if (parseInt(room_is_trash) > 0) {
 202                         new Ajax.Request(
 203                                 'ajax_servcmd', {
 204                                         method: 'post',
 205                                         parameters: 'g_cmd=DELE ' + CtdlMsgsSelected[i],
 206                                         onComplete: CtdlClearDeletedMsg(CtdlMsgsSelected[i])
 207                                 }
 208                         );
 209                 }
 210                 else {
 211                         new Ajax.Request(
 212                                 'ajax_servcmd', {
 213                                         method: 'post',
 214                                         parameters: 'g_cmd=MOVE ' + CtdlMsgsSelected[i] + '|_TRASH_|0',
 215                                         onComplete: CtdlClearDeletedMsg(CtdlMsgsSelected[i])
 216                                 }
 217                         );
 218                 }
 219         }
 220         CtdlNumMsgsSelected = 0;
 221
 222         // Clear the preview pane too.
 223         $('preview_pane').innerHTML = '';
 224 }
 225
 226
 227 // Move selected messages.
 228 function CtdlMoveSelectedMessages(evt, target_roomname) {
 229
 230         if (CtdlNumMsgsSelected < 1) {
 231                 // Nothing to delete, so exit silently.
 232                 return false;
 233         }
 234         for (i=0; i<CtdlNumMsgsSelected; ++i) {
 235                 new Ajax.Request(
 236                         'ajax_servcmd', {
 237                                 method:'post',
 238                                 parameters:'g_cmd=MOVE ' + CtdlMsgsSelected[i] + '|' + target_roomname + '|0',
 239                                 onComplete:CtdlClearDeletedMsg(CtdlMsgsSelected[i])
 240                         }
 241                 );
 242         }
 243         CtdlNumMsgsSelected = 0;
 244
 245         // Clear the preview pane too.
 246         $('preview_pane').innerHTML = '';
 247 }
 248
 249
 250
 251 // This gets called when the user touches the keyboard after selecting messages...
 252 function CtdlMsgListKeyPress(evt) {
 253         if(document.all) {                              // aIEeee
 254                 var whichKey = window.event.keyCode;
 255         }
 256         else {                                          // non-sux0r browsers
 257                 var whichKey = evt.which;
 258         }
 259         if (whichKey == 46) {                           // DELETE key
 260                 CtdlDeleteSelectedMessages(evt);
 261         }
 262         return true;
 263 }
 264
 265 // Take the boldface away from a message to indicate that it has been seen.
 266 function CtdlRemoveTheUnseenBold(msgnum) {
 267         $('m'+msgnum).style.fontWeight='normal';
 268 }
 269
 270 // A message has been deleted, so yank it from the list.
 271 function CtdlClearDeletedMsg(msgnum) {
 272
 273
 274         // Traverse the table looking for a row whose ID contains the desired msgnum
 275         var table = $('summary_headers');
 276         if (table) {
 277                 for (var r = 0; r < table.rows.length; r++) {
 278                         var thename = table.rows[r].id;
 279                         if (thename.substr(1) == msgnum) {
 280                                 try {
 281                                         table.deleteRow(r);
 282                                 }
 283                                 catch(e) {
 284                                         alert('error: browser failed to clear row ' + r);
 285                                 }
 286                         }
 287                 }
 288         }
 289         else {                                          // if we can't delete it,
 290                 new Effect.Squish('m'+msgnum);          // just hide it.
 291         }
 292
 293
 294 }
 295
 296 // These functions called when the user down-clicks on the message list resizer bar
 297
 298 var saved_x = 0;
 299 var saved_y = 0;
 300
 301 function CtdlResizeMsgListMouseUp(evt) {
 302         document.onmouseup = null;
 303         document.onmousemove = null;
 304         if (document.layers) {
 305                 document.releaseEvents(Event.MOUSEUP | Event.MOUSEMOVE);
 306         }
 307         return true;
 308 }
 309
 310 function CtdlResizeMsgListMouseMove(evt) {
 311         y = (ns6 ? evt.clientY : event.clientY);
 312         increment = y - saved_y;
 313
 314         // First move the bottom of the message list...
 315         d = $('message_list');
 316         if (d.offsetHeight){
 317                 divHeight = d.offsetHeight;
 318         }
 319         else if (d.style.pixelHeight) {
 320                 divHeight = d.style.pixelHeight;
 321         }
 322         d.style.height = (divHeight + increment) + 'px';
 323
 324         // Then move the top of the preview pane...
 325         d = $('preview_pane');
 326         if (d.offsetTop){
 327                 divTop = d.offsetTop;
 328         }
 329         else if (d.style.pixelTop) {
 330                 divTop = d.style.pixelTop;
 331         }
 332         d.style.top = (divTop + increment) + 'px';
 333
 334         // Resize the bottom of the preview pane...
 335         d = $('preview_pane');
 336         if (d.offsetHeight){
 337                 divHeight = d.offsetHeight;
 338         }
 339         else if (d.style.pixelHeight) {
 340                 divHeight = d.style.pixelHeight;
 341         }
 342         d.style.height = (divHeight - increment) + 'px';
 343
 344         // Then move the top of the slider bar.
 345         d = $('resize_msglist');
 346         if (d.offsetTop){
 347                 divTop = d.offsetTop;
 348         }
 349         else if (d.style.pixelTop) {
 350                 divTop = d.style.pixelTop;
 351         }
 352         d.style.top = (divTop + increment) + 'px';
 353
 354         saved_y = y;
 355         return true;
 356 }
 357
 358 function CtdlResizeMsgListMouseDown(evt) {
 359         saved_y = (ns6 ? evt.clientY : event.clientY);
 360         document.onmouseup = CtdlResizeMsgListMouseUp;
 361         document.onmousemove = CtdlResizeMsgListMouseMove;
 362         if (document.layers) {
 363                 document.captureEvents(Event.MOUSEUP | Event.MOUSEMOVE);
 364         }
 365         return false;           // disable the default action
 366 }
 367
 368
 369
 370 // These functions handle drag and drop message moving
 371
 372 var mm_div = null;
 373
 374 function CtdlMoveMsgMouseDown(evt, msgnum) {
 375
 376         // do the highlight first
 377         CtdlSingleClickMsg(evt, msgnum);
 378
 379         // Now handle the possibility of dragging
 380         saved_x = (ns6 ? evt.clientX : event.clientX);
 381         saved_y = (ns6 ? evt.clientY : event.clientY);
 382         document.onmouseup = CtdlMoveMsgMouseUp;
 383         document.onmousemove = CtdlMoveMsgMouseMove;
 384         if (document.layers) {
 385                 document.captureEvents(Event.MOUSEUP | Event.MOUSEMOVE);
 386         }
 387
 388         return false;
 389 }
 390
 391 function CtdlMoveMsgMouseMove(evt) {
 392         x = (ns6 ? evt.clientX : event.clientX);
 393         y = (ns6 ? evt.clientY : event.clientY);
 394
 395         if ( (x == saved_x) && (y == saved_y) ) {
 396                 return true;
 397         }
 398
 399         if (CtdlNumMsgsSelected < 1) {
 400                 return true;
 401         }
 402
 403         if (!mm_div) {
 404
 405
 406                 drag_o_text = "<div style=\"overflow:none; background-color:#fff; color:#000; border: 1px solid black; filter:alpha(opacity=75); -moz-opacity:.75; opacity:.75;\"><tr><td>";
 407                 for (i=0; i<CtdlNumMsgsSelected; ++i) {
 408                         drag_o_text = drag_o_text +
 409                                 ctdl_ts_getInnerText(
 410                                         $('m'+CtdlMsgsSelected[i]).cells[0]
 411                                 ) + '<br>';
 412                 }
 413                 drag_o_text = drag_o_text + "<div>";
 414
 415                 mm_div = document.createElement("DIV");
 416                 mm_div.style.position='absolute';
 417                 mm_div.style.top = y + 'px';
 418                 mm_div.style.left = x + 'px';
 419                 mm_div.style.pixelHeight = '300';
 420                 mm_div.style.pixelWidth = '300';
 421                 mm_div.innerHTML = drag_o_text;
 422                 document.body.appendChild(mm_div);
 423         }
 424         else {
 425                 mm_div.style.top = y + 'px';
 426                 mm_div.style.left = x + 'px';
 427         }
 428
 429         return false;   // prevent the default mouse action from happening?
 430 }
 431
 432 function CtdlMoveMsgMouseUp(evt) {
 433         document.onmouseup = null;
 434         document.onmousemove = null;
 435         if (document.layers) {
 436                 document.releaseEvents(Event.MOUSEUP | Event.MOUSEMOVE);
 437         }
 438
 439         if (mm_div) {
 440                 document.body.removeChild(mm_div);
 441                 mm_div = null;
 442         }
 443
 444         if (num_drop_targets < 1) {     // nowhere to drop
 445                 return true;
 446         }
 447
 448         // Did we release the mouse button while hovering over a drop target?
 449         // NOTE: this only works cross-browser because the iconbar div is always
 450         //      positioned at 0,0.  Browsers differ in whether the 'offset'
 451         //      functions return pos relative to the document or parent.
 452
 453         for (i=0; i<num_drop_targets; ++i) {
 454
 455                 x = (ns6 ? evt.clientX : event.clientX);
 456                 y = (ns6 ? evt.clientY : event.clientY);
 457
 458                 l = parseInt(drop_targets_elements[i].offsetLeft);
 459                 t = parseInt(drop_targets_elements[i].offsetTop);
 460                 r = parseInt(drop_targets_elements[i].offsetLeft)
 461                   + parseInt(drop_targets_elements[i].offsetWidth);
 462                 b = parseInt(drop_targets_elements[i].offsetTop)
 463                   + parseInt(drop_targets_elements[i].offsetHeight);
 464
 465                 /* alert('Offsets are: ' + l + ' ' + t + ' ' + r + ' ' + b + '.'); */
 466
 467                 if ( (x >= l) && (x <= r) && (y >= t) && (y <= b) ) {
 468                         // Yes, we dropped it on a hotspot.
 469                         CtdlMoveSelectedMessages(evt, drop_targets_roomnames[i]);
 470                         return true;
 471                 }
 472         }
 473
 474         return true;
 475 }
 476
 477
 478 function ctdl_ts_getInnerText(el) {
 479         if (typeof el == "string") return el;
 480         if (typeof el == "undefined") { return el };
 481         if (el.innerText) return el.innerText;  //Not needed but it is faster
 482         var str = "";
 483
 484         var cs = el.childNodes;
 485         var l = cs.length;
 486         for (var i = 0; i < l; i++) {
 487                 switch (cs[i].nodeType) {
 488                         case 1: //ELEMENT_NODE
 489                                 str += ts_getInnerText(cs[i]);
 490                                 break;
 491                         case 3: //TEXT_NODE
 492                                 str += cs[i].nodeValue;
 493                                 break;
 494                 }
 495         }
 496         return str;
 497 }
 498
 499
 500
 501 // This function handles the creation of new notes in the "Notes" view.
 502 //
 503 function add_new_note() {
 504
 505         new_eid = Math.random() + '';
 506         new_eid = new_eid.substr(3);
 507
 508         $('new_notes_here').innerHTML = $('new_notes_here').innerHTML
 509                 + '<IMG ALIGN=MIDDLE src=\"static/storenotes_48x.gif\">'
 510                 + '<span id=\"note' + new_eid + '\">' + Date() + '</span><br />'
 511         ;
 512
 513         new Ajax.InPlaceEditor('note' + new_eid,
 514                 'updatenote?eid=' + new_eid , {rows:5,cols:72});
 515 }