webcit/static/summaryview.js

   1 /**
   2  * Webcit Summary View v2
   3  *   All comments, flowers and death threats to Mathew McBride
   4  *   <matt@mcbridematt.dhs.org> / <matt@comalies>
   5  * Copyright 2009 The Citadel Team
   6  * Licensed under the GPL V3
   7  */
   8 document.observe("dom:loaded", createMessageView);
   9
  10 var message_view = null;
  11 var loadingMsg = null;
  12 var rowArray = null;
  13 var currentSortMode = null;
  14
  15 // Header elements
  16 var mlh_date = null;
  17 var mlh_subject = null;
  18 var mlh_from = null;
  19 var currentSorterToggle = null;
  20 var query = "";
  21 var currentlyMarkedRows = new Object();
  22 var markedRowId = null;
  23
  24 var mouseDownEvent = null;
  25 var exitedMouseDown = false;
  26
  27 var currentPage = 0;
  28 var sortModes = {
  29   "rdate" : sortRowsByDateDescending,
  30   "date" : sortRowsByDateAscending,
  31   //  "reverse" : sortRowsByDateDescending,
  32   "subj" : sortRowsBySubjectAscending,
  33   "rsubj" : sortRowsBySubjectDescending,
  34   "sender": sortRowsByFromAscending,
  35   "rsender" : sortRowsByFromDescending
  36 };
  37 var toggles = {};
  38
  39 var nummsgs = 0;
  40 var startmsg = 0;
  41 function createMessageView() {
  42   message_view = document.getElementById("message_list_body");
  43   loadingMsg = document.getElementById("loading");
  44   getMessages();
  45   mlh_date = $("mlh_date");
  46   mlh_subject = $('mlh_subject');
  47   mlh_from = $('mlh_from');
  48   toggles["rdate"] = mlh_date;
  49   toggles["date"] = mlh_date;
  50   // toggles["reverse"] = mlh_date;
  51   toggles["subj"] = mlh_subject;
  52   toggles["rsubj"] = mlh_subject;
  53   toggles["sender"] = mlh_from;
  54   toggles["rsender"] = mlh_from;
  55   mlh_date.observe('click',ApplySort);
  56   mlh_subject.observe('click',ApplySort);
  57   mlh_from.observe('click',ApplySort);
  58   $(document).observe('keyup',CtdlMessageListKeyUp,false);
  59   //window.oncontextmenu = function() { return false; };
  60   $('resize_msglist').observe('mousedown', CtdlResizeMouseDown);
  61   $('m_refresh').observe('click', getMessages);
  62   document.getElementById('m_refresh').setAttribute("href","#");
  63   Event.observe(document.onresize ? document : window, "resize", normalizeHeaderTable);
  64   Event.observe(document.onresize ? document : window, "resize", sizePreviewPane);
  65   $('summpage').observe('change', getPage);
  66   takeOverSearchOMatic();
  67   setupDragDrop(); // here for now
  68 }
  69 function getMessages() {
  70   if (loadingMsg.parentNode == null) {
  71     message_view.innerHTML = "";
  72     message_view.appendChild(loadingMsg);
  73   }
  74 roomName = getTextContent(document.getElementById("rmname"));
  75  var parameters = {'room':roomName, 'startmsg': startmsg, 'stopmsg': -1};
  76  if (is_safe_mode) {
  77    parameters['stopmsg'] = parseInt(startmsg)+500;
  78    //parameters['maxmsgs'] = 500;
  79    if (currentSortMode != null) {
  80      var SortBy = currentSortMode[0];
  81      if (SortBy.charAt(0) == 'r') {
  82        SortBy = SortBy.substr(1);
  83        parameters["SortOrder"] = "0";
  84      }
  85      parameters["SortBy"] = SortBy;
  86    }
  87  }
  88  if (query.length > 0) {
  89    parameters["query"] = query;
  90  }
  91 new Ajax.Request("roommsgs", {
  92     method: 'get',
  93         onSuccess: loadMessages,
  94         parameters: parameters,
  95         sanitize: false,
  96       evalJSON: false,
  97       onFailure: function(e) { alert("Failure: " + e);}
  98         });
  99 }
 100 function loadMessages(transport) {
 101   try {
 102   var data = eval('('+transport.responseText+')');
 103   if (!!data && transport.responseText.length < 2) {
 104     alert("Message loading failed");
 105   }
 106   nummsgs = data['nummsgs'];
 107   var msgs = data['msgs'];
 108   var length = msgs.length;
 109   rowArray = new Array(); // store so they can be sorted
 110   WCLog("Row array length: "+rowArray.length);
 111   var start = new Date();
 112   for(var i=0; i<length;i++) {
 113     var trElement = document.createElement("tr");
 114     var data = msgs[i];
 115     var msgId = data[0];
 116     var rowId = "msg_" + msgId;
 117     trElement.setAttribute("id",rowId);
 118     //$(trElement).observe('click', CtdlMessageListClick);
 119     trElement.ctdlMsgId = msgId;
 120     for(var j=1; j<5;j++) { // 1=msgId (hidden), 4 date timestamp (hidden) 6 = isNew etc.
 121       var content = data[j];
 122       if(content.length < 1) {
 123         content = "(blank)";
 124       }
 125       if (j==3) {
 126         trElement.ctdlDate = content;
 127       } else {
 128         try {
 129       var tdElement = document.createElement("td");
 130       trElement.appendChild(tdElement);
 131       var txtContent = document.createTextNode(content);
 132       tdElement.appendChild(txtContent);
 133       var x=j;
 134       if (x==4) x=3;
 135       var classStmt = "col"+x;
 136       //tdElement.setAttribute("class", classStmt);
 137       tdElement.className = classStmt;
 138         } catch (e) {
 139           WCLog("Error on #"+msgId +" col"+j+":"+e);
 140         }
 141       }
 142     }
 143     if (data[5]) {
 144       trElement.ctdlNewMsg = true;
 145     }
 146     trElement.dropEnabled = true;
 147     trElement.ctdlMarked = false;
 148     rowArray[i] = trElement;
 149   }
 150   var end = new Date();
 151   var delta = end.getTime() - start.getTime();
 152     WCLog("loadMessages construct: " + delta);
 153   } catch (e) {
 154     //window.alert(e+"|"+e.description);
 155   }
 156   if (currentSortMode == null) {
 157   if (sortmode.length < 1) {
 158     sortmode = "rdate";
 159   }
 160   currentSortMode = [sortmode, sortModes[sortmode]];
 161   currentSorterToggle = toggles[sortmode];
 162   }
 163   if (!is_safe_mode) {
 164   resortAndDisplay(currentSortMode[1]);
 165   } else {
 166     setupPageSelector();
 167     resortAndDisplay(null);
 168   }
 169   if (loadingMsg.parentNode != null) {
 170     loadingMsg.parentNode.removeChild(loadingMsg);
 171   }
 172   sizePreviewPane();
 173 }
 174 function resortAndDisplay(sortMode) {
 175   WCLog("Begin resortAndDisplay");
 176   var start = new Date();
 177   /* We used to try and clear out the message_view element,
 178      but stupid IE doesn't even do that properly */
 179   var message_view_parent = message_view.parentNode;
 180   message_view_parent.removeChild(message_view);
 181   message_view = document.createElement("tbody");
 182   message_view.setAttribute("id","message_list_body");
 183   message_view.className="mailbox_summary";
 184   message_view_parent.appendChild(message_view);
 185
 186   var fragment = document.createDocumentFragment();
 187   if (sortMode != null) {
 188     rowArray.sort(sortMode);
 189   }
 190   var length = rowArray.length;
 191   for(var x=0; x<length; ++x) {
 192     try {
 193       var currentRow = rowArray[x];
 194       currentRow.setAttribute("class","");
 195       var className = "";
 196     if (((x-1) % 2) == 0) {
 197       className = "table-alt-row";
 198     } else {
 199       className = "table-row";
 200     }
 201     if (currentRow.ctdlNewMsg) {
 202       className += " new_message";
 203     }
 204     currentRow.className = className;
 205     /* Using element.onclick is evil, but until IE
 206        supports addEventListener, it is much faster
 207        than prototype observe */
 208     currentRow.onclick = CtdlMessageListClick;
 209     currentRow.ctdlDnDElement = summaryViewDragAndDropHandler;
 210     currentRow.ctdlRowId = x;
 211     fragment.appendChild(currentRow);
 212     } catch (e) {
 213       alert("Exception" + e);
 214     }
 215   }
 216   message_view.appendChild(fragment);
 217   var end = new Date();
 218     var delta = end.getTime() - start.getTime();
 219     WCLog("resortAndDisplay sort and append: " + delta);
 220   ApplySorterToggle();
 221   normalizeHeaderTable();
 222 }
 223 function sortRowsByDateAscending(a, b) {
 224   var dateOne = a.ctdlDate;
 225   var dateTwo = b.ctdlDate;
 226   return (dateOne - dateTwo);
 227 }
 228 function sortRowsByDateDescending(a, b) {
 229   var dateOne = a.ctdlDate;
 230   var dateTwo = b.ctdlDate;
 231   return (dateTwo - dateOne);
 232 }
 233
 234 function sortRowsBySubjectAscending(a, b) {
 235   var subjectOne = getTextContent(a.getElementsByTagName("td")[0]).toLowerCase();
 236   var subjectTwo = getTextContent(b.getElementsByTagName("td")[0]).toLowerCase();
 237   return strcmp(subjectOne, subjectTwo);
 238 }
 239
 240 function sortRowsBySubjectDescending(a, b) {
 241   var subjectOne = getTextContent(a.getElementsByTagName("td")[0]).toLowerCase();
 242   var subjectTwo = getTextContent(b.getElementsByTagName("td")[0]).toLowerCase();
 243   return strcmp(subjectTwo, subjectOne);
 244 }
 245
 246 function sortRowsByFromAscending(a, b) {
 247   var fromOne = getTextContent(a.getElementsByTagName("td")[1]).toLowerCase();
 248   var fromTwo = getTextContent(b.getElementsByTagName("td")[1]).toLowerCase();
 249   return strcmp(fromOne, fromTwo);
 250 }
 251
 252 function sortRowsByFromDescending(a, b) {
 253   var fromOne = getTextContent(a.getElementsByTagName("td")[1]).toLowerCase();
 254   var fromTwo = getTextContent(b.getElementsByTagName("td")[1]).toLowerCase();
 255   return strcmp(fromTwo, fromOne);
 256 }
 257
 258 function CtdlMessageListClick(evt) {
 259   /* Since element.onload is used here, test to see if evt is defined */
 260   var event = evt ? evt : window.event;
 261   var target = event.target ? event.target: event.srcElement; // and again..
 262   var parent = target.parentNode;
 263   var msgId = parent.ctdlMsgId;
 264   // If the ctrl key modifier wasn't used, unmark all rows and load the message
 265   if (!event.shiftKey && !event.ctrlKey && !event.altKey) {
 266     unmarkAllRows();
 267     markedRowId = parent.ctdlRowId;
 268     document.getElementById("preview_pane").innerHTML = "";
 269     new Ajax.Updater('preview_pane', 'msg/'+msgId, {method: 'get'});
 270     markRow(parent);
 271     new Ajax.Request('ajax_servcmd', {
 272       method: 'post',
 273           parameters: 'g_cmd=SEEN ' + msgId + '|1',
 274           onComplete: CtdlMarkRowAsRead(parent)});
 275   // If the shift key modifier is used, mark a range...
 276   } else if (event.button != 2 && event.shiftKey) {
 277     markRow(parent);
 278     var rowId = parent.ctdlRowId;
 279     var startMarkingFrom = 0;
 280     var finish = 0;
 281     if (rowId > markedRowId) {
 282       startMarkingFrom = markedRowId+1;
 283       finish = rowId;
 284     } else if (rowId < markedRowId) {
 285       startMarkingFrom = rowId+1;
 286       finish = markedRowId;
 287     }
 288     for(var x = startMarkingFrom; x<finish; x++) {
 289       WCLog("Marking row "+x);
 290       markRow(rowArray[x]);
 291     }
 292   // If the ctrl key modifier is used, toggle one message
 293   } else if (event.button != 2 && (event.ctrlKey || event.altKey)) {
 294     if (parent.ctdlMarked == true) {
 295       unmarkRow(parent);
 296     }
 297     else {
 298       markRow(parent);
 299     }
 300   }
 301 }
 302 function CtdlMarkRowAsRead(rowElement) {
 303   var classes = rowElement.className;
 304   classes = classes.replace("new_message","");
 305   rowElement.className = classes;
 306 }
 307 function ApplySort(event) {
 308   var target = event.target;
 309   var sortId = target.id;
 310   removeOldSortClass();
 311   currentSorterToggle = target;
 312   var sortModes = getSortMode(target); // returns [[key, func],[key,func]]
 313   var sortModeToUse = null;
 314   if (currentSortMode[0] == sortModes[0][0]) {
 315     sortModeToUse = sortModes[1];
 316   } else {
 317     sortModeToUse = sortModes[0];
 318   }
 319   currentSortMode = sortModeToUse;
 320   if (is_safe_mode) {
 321     getMessages(); // in safe mode, we load from server already sorted
 322   } else {
 323   resortAndDisplay(sortModeToUse[1]);
 324   }
 325 }
 326 function getSortMode(toggleElem) {
 327   var forward = null;
 328   var reverse = null;
 329   for(var key in toggles) {
 330     var kr = (key.charAt(0) == 'r');
 331     if (toggles[key] == toggleElem && !kr) {
 332       forward = [key, sortModes[key]];
 333     } else if (toggles[key] == toggleElem && kr) {
 334       reverse = [key, sortModes[key]];
 335     }
 336   }
 337   return [forward, reverse];
 338 }
 339 function removeOldSortClass() {
 340   if (currentSorterToggle) {
 341     var classes = currentSorterToggle.className;
 342     /* classes = classes.replace("current_sort_mode","");
 343     classes = classes.replace("sort_ascending","");
 344     classes = classes.replace("sort_descending",""); */
 345     currentSorterToggle.className = "";
 346   }
 347 }
 348 function markRow(row) {
 349   var msgId = row.ctdlMsgId;
 350   row.className = row.className += " marked_row";
 351   row.ctdlMarked = true;
 352   currentlyMarkedRows[msgId] = row;
 353 }
 354 function unmarkRow(row) {
 355   var msgId = row.ctdlMsgId;
 356   row.className = row.className.replace("marked_row","");
 357   row.ctdlMarked = false;
 358   delete currentlyMarkedRows[msgId];
 359 }
 360 function unmarkAllRows() {
 361   for(msgId in currentlyMarkedRows) {
 362     unmarkRow(currentlyMarkedRows[msgId]);
 363   }
 364 }
 365 function deleteAllMarkedRows() {
 366   for(msgId in currentlyMarkedRows) {
 367     var row = currentlyMarkedRows[msgId];
 368     var rowArrayId = row.ctdlRowId;
 369     row.parentNode.removeChild(row);
 370     delete currentlyMarkedRows[msgId];
 371     delete rowArray[rowArrayId];
 372   }
 373   // Now we have to reconstruct rowarray as the array length has changed */
 374   var newRowArray = new Array();
 375   var x=0;
 376   for(var i=0; i<rowArray.length; i++) {
 377     var currentRow = rowArray[i];
 378     if (currentRow != null) {
 379       newRowArray[x] = currentRow;
 380       x++;
 381     }
 382   }
 383   rowArray = newRowArray;
 384   resortAndDisplay(null);
 385 }
 386
 387 function deleteAllSelectedMessages() {
 388     for(msgId in currentlyMarkedRows) {
 389       if (!room_is_trash) {
 390       new Ajax.Request('ajax_servcmd',
 391                        {method: 'post',
 392                            parameters: 'g_cmd=MOVE ' + msgId + '|_TRASH_|0'
 393                            });
 394       } else {
 395         new Ajax.Request('ajax_servcmd', {method: 'post',
 396               parameters: 'g_cmd=DELE '+msgId});
 397       }
 398     }
 399     document.getElementById("preview_pane").innerHTML = "";
 400     deleteAllMarkedRows();
 401 }
 402
 403 function CtdlMessageListKeyUp(event) {
 404         var key = event.which;
 405         if (key == 46) { // DELETE
 406                 deleteAllSelectedMessages();
 407         }
 408 }
 409
 410 function clearMessage(msgId) {
 411   var row = document.getElementById('msg_'+msgId);
 412   row.parentNode.removeChild(row);
 413   delete currentlyMarkedRows[msgId];
 414 }
 415
 416 function summaryViewContextMenu() {
 417   if (!exitedMouseDown) {
 418     var contextSource = document.getElementById("listViewContextMenu");
 419     CtdlSpawnContextMenu(mouseDownEvent, contextSource);
 420   }
 421 }
 422
 423 function summaryViewDragAndDropHandler() {
 424   var element = document.createElement("div");
 425   var msgList = document.createElement("ul");
 426   element.appendChild(msgList);
 427   for(msgId in currentlyMarkedRows) {
 428     msgRow = currentlyMarkedRows[msgId];
 429     var subject = getTextContent(msgRow.getElementsByTagName("td")[0]);
 430     var li = document.createElement("li");
 431     msgList.appendChild(li);
 432     setTextContent(li, subject);
 433     li.ctdlMsgId = msgId;
 434   }
 435   return element;
 436 }
 437
 438 var saved_y = 0;
 439 function CtdlResizeMouseDown(event) {
 440   $(document).observe('mousemove', CtdlResizeMouseMove);
 441   $(document).observe('mouseup', CtdlResizeMouseUp);
 442   saved_y = event.clientY;
 443 }
 444
 445 function sizePreviewPane() {
 446   var preview_pane = document.getElementById("preview_pane");
 447   var summary_view = document.getElementById("summary_view");
 448   var banner = document.getElementById("banner");
 449   var message_list_hdr = document.getElementById("message_list_hdr");
 450   var content = $('global');  // we'd like to use prototype methods here
 451   var childElements = content.childElements();
 452   var sizeOfElementsAbove = 0;
 453   var heightOfViewPort = document.viewport.getHeight() // prototypejs method
 454   var bannerHeight = banner.offsetHeight;
 455   var contentViewPortHeight = heightOfViewPort-banner.offsetHeight-message_list_hdr.offsetHeight;
 456   contentViewPortHeight = 0.98 * contentViewPortHeight; // leave some error
 457   // Set summary_view to 20%;
 458   var summary_height = ctdlLocalPrefs.readPref("svheight");
 459   if (summary_height == null) {
 460     summary_height = 0.20 * contentViewPortHeight;
 461   }
 462   // Set preview_pane to the remainder
 463   var preview_height = contentViewPortHeight - summary_height;
 464
 465   summary_view.style.height = (summary_height)+"px";
 466   preview_pane.style.height = (preview_height)+"px";
 467 }
 468 function CtdlResizeMouseMove(event) {
 469   var clientX = event.clientX;
 470   var clientY = event.clientY;
 471   var summary_view = document.getElementById("summary_view");
 472   var summaryViewHeight = summary_view.offsetHeight;
 473   var increment = clientY-saved_y;
 474   var summary_view_height = increment+summaryViewHeight;
 475   summary_view.style.height = (summary_view_height)+"px";
 476   // store summary view height
 477   ctdlLocalPrefs.setPref("svheight",summary_view_height);
 478   var msglist = document.getElementById("preview_pane");
 479   var msgListHeight = msglist.offsetHeight;
 480   msglist.style.height = (msgListHeight-increment)+"px";
 481   saved_y = clientY;
 482   /* For some reason the grippy doesn't work without position: absolute
 483      so we need to set its top pos manually all the time */
 484   var resize = document.getElementById("resize_msglist");
 485   var resizePos = resize.offsetTop;
 486   resize.style.top = (resizePos+increment)+"px";
 487 }
 488 function CtdlResizeMouseUp(event) {
 489   $(document).stopObserving('mousemove', CtdlResizeMouseMove);
 490   $(document).stopObserving('mouseup', CtdlResizeMouseUp);
 491 }
 492 function ApplySorterToggle() {
 493   var className = currentSorterToggle.className;
 494   className += " current_sort_mode";
 495   if (currentSortMode[1] == sortRowsByDateDescending ||
 496       currentSortMode[1] == sortRowsBySubjectDescending ||
 497       currentSortMode[1] == sortRowsByFromDescending) {
 498     className += " sort_descending";
 499   } else {
 500     className += " sort_ascending";
 501   }
 502   currentSorterToggle.className = className;
 503 }
 504 /** Hack to make the header table line up with the data */
 505 function normalizeHeaderTable() {
 506   var message_list_hdr = document.getElementById("message_list_hdr");
 507   var summary_view = document.getElementById("summary_view");
 508   var resize_msglist = document.getElementById("resize_msglist");
 509   var headerTable = message_list_hdr.getElementsByTagName("table")[0];
 510   var dataTable = summary_view.getElementsByTagName("table")[0];
 511   var dataTableWidth = dataTable.offsetWidth;
 512   headerTable.style.width = dataTableWidth+"px";
 513 }
 514
 515 function setupPageSelector() {
 516   var summpage = document.getElementById("summpage");
 517   var select_page = document.getElementById("selectpage");
 518   summpage.innerHTML = "";
 519   if (is_safe_mode) {
 520     WCLog("unhiding parent page");
 521     select_page.className = "";
 522   } else {
 523     return;
 524   }
 525   var pages = nummsgs / 500;
 526   for(var i=0; i<pages; i++) {
 527     var opt = document.createElement("option");
 528     var startmsg = i * 500;
 529     opt.setAttribute("value",startmsg);
 530     if (currentPage == i) {
 531       opt.setAttribute("selected","selected");
 532     }
 533     opt.appendChild(document.createTextNode((i+1)));
 534     summpage.appendChild(opt);
 535   }
 536 }
 537 function getPage(event) {
 538   var target = event.target;
 539   startmsg = target.options.item(target.selectedIndex).value;
 540   currentPage = target.selectedIndex;
 541   //query = ""; // We are getting a page from the _entire_ msg list, don't query
 542   getMessages();
 543 }
 544 function takeOverSearchOMatic() {
 545   var searchForm = document.getElementById("searchomatic").getElementsByTagName("form")[0];
 546   // First disable the form post
 547   searchForm.setAttribute("action","javascript:void();");
 548   searchForm.removeAttribute("method");
 549   $(searchForm).observe('submit', doSearch);
 550 }
 551 function doSearch() {
 552   query = document.getElementById("srchquery").value;
 553   getMessages();
 554   return false;
 555 }