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                         }
 150                 }
 151         }
 152
 153         // Now select (or de-select) the message
 154         if ( (evt.ctrlKey) && (already_selected == 1) ) {
 155                 $('m'+msgnum).style.backgroundColor = '#fff';
 156                 $('m'+msgnum).style.color = '#000';
 157         }
 158         else {
 159                 $('m'+msgnum).style.backgroundColor='#69aaff';
 160                 $('m'+msgnum).style.color='#fff';
 161                 CtdlNumMsgsSelected = CtdlNumMsgsSelected + 1;
 162                 CtdlMsgsSelected[CtdlNumMsgsSelected-1] = msgnum;
 163         }
 164
 165         // Update the preview pane
 166         new Ajax.Updater('preview_pane', 'msg/'+msgnum, { method: 'get' } );
 167
 168         // Mark the message as read
 169         new Ajax.Request(
 170                 'ajax_servcmd', {
 171                         method: 'post',
 172                         parameters: 'g_cmd=SEEN '+msgnum+'|1',
 173                         onComplete: CtdlRemoveTheUnseenBold(msgnum)
 174                 }
 175         );
 176
 177         return false;           // try to defeat the default click behavior
 178 }
 179
 180 // Delete selected messages.
 181 function CtdlDeleteSelectedMessages(evt) {
 182
 183         if (CtdlNumMsgsSelected < 1) {
 184                 // Nothing to delete, so exit silently.
 185                 return false;
 186         }
 187         for (i=0; i<CtdlNumMsgsSelected; ++i) {
 188                 if (parseInt(room_is_trash) > 0) {
 189                         new Ajax.Request(
 190                                 'ajax_servcmd', {
 191                                         method: 'post',
 192                                         parameters: 'g_cmd=DELE ' + CtdlMsgsSelected[i],
 193                                         onComplete: CtdlClearDeletedMsg(CtdlMsgsSelected[i])
 194                                 }
 195                         );
 196                 }
 197                 else {
 198                         new Ajax.Request(
 199                                 'ajax_servcmd', {
 200                                         method: 'post',
 201                                         parameters: 'g_cmd=MOVE ' + CtdlMsgsSelected[i] + '|_TRASH_|0',
 202                                         onComplete: CtdlClearDeletedMsg(CtdlMsgsSelected[i])
 203                                 }
 204                         );
 205                 }
 206         }
 207         CtdlNumMsgsSelected = 0;
 208
 209         // Clear the preview pane too.
 210         $('preview_pane').innerHTML = '';
 211 }
 212
 213
 214 // Move selected messages.
 215 function CtdlMoveSelectedMessages(evt, target_roomname) {
 216
 217         if (CtdlNumMsgsSelected < 1) {
 218                 // Nothing to delete, so exit silently.
 219                 return false;
 220         }
 221         for (i=0; i<CtdlNumMsgsSelected; ++i) {
 222                 new Ajax.Request(
 223                         'ajax_servcmd', {
 224                                 method:'post',
 225                                 parameters:'g_cmd=MOVE ' + CtdlMsgsSelected[i] + '|' + target_roomname + '|0',
 226                                 onComplete:CtdlClearDeletedMsg(CtdlMsgsSelected[i])
 227                         }
 228                 );
 229         }
 230         CtdlNumMsgsSelected = 0;
 231
 232         // Clear the preview pane too.
 233         $('preview_pane').innerHTML = '';
 234 }
 235
 236
 237
 238 // This gets called when the user touches the keyboard after selecting messages...
 239 function CtdlMsgListKeyPress(evt) {
 240         if(document.all) {                              // aIEeee
 241                 var whichKey = window.event.keyCode;
 242         }
 243         else {                                          // non-sux0r browsers
 244                 var whichKey = evt.which;
 245         }
 246         if (whichKey == 46) {                           // DELETE key
 247                 CtdlDeleteSelectedMessages(evt);
 248         }
 249         return true;
 250 }
 251
 252 // Take the boldface away from a message to indicate that it has been seen.
 253 function CtdlRemoveTheUnseenBold(msgnum) {
 254         $('m'+msgnum).style.fontWeight='normal';
 255 }
 256
 257 // A message has been deleted, so yank it from the list.
 258 function CtdlClearDeletedMsg(msgnum) {
 259
 260
 261         // Traverse the table looking for a row whose ID contains the desired msgnum
 262         var table = $('summary_headers');
 263         if (table) {
 264                 for (var r = 0; r < table.rows.length; r++) {
 265                         var thename = table.rows[r].id;
 266                         if (thename.substr(1) == msgnum) {
 267                                 try {
 268                                         table.deleteRow(r);
 269                                 }
 270                                 catch(e) {
 271                                         alert('error: browser failed to clear row ' + r);
 272                                 }
 273                         }
 274                 }
 275         }
 276         else {                                          // if we can't delete it,
 277                 new Effect.Squish('m'+msgnum);          // just hide it.
 278         }
 279
 280
 281 }
 282
 283 // These functions called when the user down-clicks on the message list resizer bar
 284
 285 var saved_x = 0;
 286 var saved_y = 0;
 287
 288 function CtdlResizeMsgListMouseUp(evt) {
 289         document.onmouseup = null;
 290         document.onmousemove = null;
 291         if (document.layers) {
 292                 document.releaseEvents(Event.MOUSEUP | Event.MOUSEMOVE);
 293         }
 294         return true;
 295 }
 296
 297 function CtdlResizeMsgListMouseMove(evt) {
 298         y = (ns6 ? evt.clientY : event.clientY);
 299         increment = y - saved_y;
 300
 301         // First move the bottom of the message list...
 302         d = $('message_list');
 303         if (d.offsetHeight){
 304                 divHeight = d.offsetHeight;
 305         }
 306         else if (d.style.pixelHeight) {
 307                 divHeight = d.style.pixelHeight;
 308         }
 309         d.style.height = (divHeight + increment) + 'px';
 310
 311         // Then move the top of the preview pane...
 312         d = $('preview_pane');
 313         if (d.offsetTop){
 314                 divTop = d.offsetTop;
 315         }
 316         else if (d.style.pixelTop) {
 317                 divTop = d.style.pixelTop;
 318         }
 319         d.style.top = (divTop + increment) + 'px';
 320
 321         // Resize the bottom of the preview pane...
 322         d = $('preview_pane');
 323         if (d.offsetHeight){
 324                 divHeight = d.offsetHeight;
 325         }
 326         else if (d.style.pixelHeight) {
 327                 divHeight = d.style.pixelHeight;
 328         }
 329         d.style.height = (divHeight - increment) + 'px';
 330
 331         // Then move the top of the slider bar.
 332         d = $('resize_msglist');
 333         if (d.offsetTop){
 334                 divTop = d.offsetTop;
 335         }
 336         else if (d.style.pixelTop) {
 337                 divTop = d.style.pixelTop;
 338         }
 339         d.style.top = (divTop + increment) + 'px';
 340
 341         saved_y = y;
 342         return true;
 343 }
 344
 345 function CtdlResizeMsgListMouseDown(evt) {
 346         saved_y = (ns6 ? evt.clientY : event.clientY);
 347         document.onmouseup = CtdlResizeMsgListMouseUp;
 348         document.onmousemove = CtdlResizeMsgListMouseMove;
 349         if (document.layers) {
 350                 document.captureEvents(Event.MOUSEUP | Event.MOUSEMOVE);
 351         }
 352         return false;           // disable the default action
 353 }
 354
 355
 356
 357 // These functions handle drag and drop message moving
 358
 359 var mm_div = null;
 360
 361 function CtdlMoveMsgMouseDown(evt, msgnum) {
 362
 363         // do the highlight first
 364         CtdlSingleClickMsg(evt, msgnum);
 365
 366         // Now handle the possibility of dragging
 367         saved_x = (ns6 ? evt.clientX : event.clientX);
 368         saved_y = (ns6 ? evt.clientY : event.clientY);
 369         document.onmouseup = CtdlMoveMsgMouseUp;
 370         document.onmousemove = CtdlMoveMsgMouseMove;
 371         if (document.layers) {
 372                 document.captureEvents(Event.MOUSEUP | Event.MOUSEMOVE);
 373         }
 374
 375         return false;
 376 }
 377
 378 function CtdlMoveMsgMouseMove(evt) {
 379         x = (ns6 ? evt.clientX : event.clientX);
 380         y = (ns6 ? evt.clientY : event.clientY);
 381
 382         if ( (x == saved_x) && (y == saved_y) ) {
 383                 return true;
 384         }
 385
 386         if (CtdlNumMsgsSelected < 1) {
 387                 return true;
 388         }
 389
 390         if (!mm_div) {
 391
 392
 393                 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>";
 394                 for (i=0; i<CtdlNumMsgsSelected; ++i) {
 395                         drag_o_text = drag_o_text +
 396                                 ctdl_ts_getInnerText(
 397                                         $('m'+CtdlMsgsSelected[i]).cells[0]
 398                                 ) + '<br>';
 399                 }
 400                 drag_o_text = drag_o_text + "<div>";
 401
 402                 mm_div = document.createElement("DIV");
 403                 mm_div.style.position='absolute';
 404                 mm_div.style.top = y + 'px';
 405                 mm_div.style.left = x + 'px';
 406                 mm_div.style.pixelHeight = '300';
 407                 mm_div.style.pixelWidth = '300';
 408                 mm_div.innerHTML = drag_o_text;
 409                 document.body.appendChild(mm_div);
 410         }
 411         else {
 412                 mm_div.style.top = y + 'px';
 413                 mm_div.style.left = x + 'px';
 414         }
 415
 416         return false;   // prevent the default mouse action from happening?
 417 }
 418
 419 function CtdlMoveMsgMouseUp(evt) {
 420         document.onmouseup = null;
 421         document.onmousemove = null;
 422         if (document.layers) {
 423                 document.releaseEvents(Event.MOUSEUP | Event.MOUSEMOVE);
 424         }
 425
 426         if (mm_div) {
 427                 document.body.removeChild(mm_div);
 428                 mm_div = null;
 429         }
 430
 431         if (num_drop_targets < 1) {     // nowhere to drop
 432                 return true;
 433         }
 434
 435         // Did we release the mouse button while hovering over a drop target?
 436         // NOTE: this only works cross-browser because the iconbar div is always
 437         //      positioned at 0,0.  Browsers differ in whether the 'offset'
 438         //      functions return pos relative to the document or parent.
 439
 440         for (i=0; i<num_drop_targets; ++i) {
 441
 442                 x = (ns6 ? evt.clientX : event.clientX);
 443                 y = (ns6 ? evt.clientY : event.clientY);
 444
 445                 l = parseInt(drop_targets_elements[i].offsetLeft);
 446                 t = parseInt(drop_targets_elements[i].offsetTop);
 447                 r = parseInt(drop_targets_elements[i].offsetLeft)
 448                   + parseInt(drop_targets_elements[i].offsetWidth);
 449                 b = parseInt(drop_targets_elements[i].offsetTop)
 450                   + parseInt(drop_targets_elements[i].offsetHeight);
 451
 452                 /* alert('Offsets are: ' + l + ' ' + t + ' ' + r + ' ' + b + '.'); */
 453
 454                 if ( (x >= l) && (x <= r) && (y >= t) && (y <= b) ) {
 455                         // Yes, we dropped it on a hotspot.
 456                         CtdlMoveSelectedMessages(evt, drop_targets_roomnames[i]);
 457                         return true;
 458                 }
 459         }
 460
 461         return true;
 462 }
 463
 464
 465 function ctdl_ts_getInnerText(el) {
 466         if (typeof el == "string") return el;
 467         if (typeof el == "undefined") { return el };
 468         if (el.innerText) return el.innerText;  //Not needed but it is faster
 469         var str = "";
 470
 471         var cs = el.childNodes;
 472         var l = cs.length;
 473         for (var i = 0; i < l; i++) {
 474                 switch (cs[i].nodeType) {
 475                         case 1: //ELEMENT_NODE
 476                                 str += ts_getInnerText(cs[i]);
 477                                 break;
 478                         case 3: //TEXT_NODE
 479                                 str += cs[i].nodeValue;
 480                                 break;
 481                 }
 482         }
 483         return str;
 484 }
 485
 486
 487
 488 // This function handles the creation of new notes in the "Notes" view.
 489 //
 490 function add_new_note() {
 491
 492         new_eid = Math.random() + '';
 493         new_eid = new_eid.substr(3);
 494
 495         $('new_notes_here').innerHTML = $('new_notes_here').innerHTML
 496                 + '<IMG ALIGN=MIDDLE src=\"static/storenotes_48x.gif\">'
 497                 + '<span id=\"note' + new_eid + '\">' + Date() + '</span><br />'
 498         ;
 499
 500         new Ajax.InPlaceEditor('note' + new_eid,
 501                 'updatenote?eid=' + new_eid , {rows:5,cols:72});
 502 }