commandglue.js

来自「现在很火的邮件客户端软件thunderbird的源码」· JavaScript 代码 · 共 1,237 行 · 第 1/3 页

{
  var tree = GetThreadTree();

  var lastFolderSent = tree.getAttribute("lastfoldersent") == "true";
  if (isSentFolder != lastFolderSent)
  {
    var senderColumn = document.getElementById("senderCol");
    var recipientColumn = document.getElementById("recipientCol");
    
    var saveHidden = senderColumn.getAttribute("hidden");
    senderColumn.setAttribute("hidden", senderColumn.getAttribute("swappedhidden"));
    senderColumn.setAttribute("swappedhidden", saveHidden);

    saveHidden = recipientColumn.getAttribute("hidden");
    recipientColumn.setAttribute("hidden", recipientColumn.getAttribute("swappedhidden"));
    recipientColumn.setAttribute("swappedhidden", saveHidden);
  }

  if(isSentFolder)
    tree.setAttribute("lastfoldersent", "true");
  else
    tree.setAttribute("lastfoldersent", "false");
}

function ShowLocationColumn(show)
{
  var col = document.getElementById("locationCol");
  if (col) {
    if (show) {
      col.removeAttribute("hidden");
      col.removeAttribute("ignoreincolumnpicker");
    }
    else {
      col.setAttribute("hidden","true");
      col.setAttribute("ignoreincolumnpicker","true");
    }
  }
}

function SetNewsFolderColumns()
{
  var sizeColumn = document.getElementById("sizeCol");

  if (gDBView.usingLines) {
     sizeColumn.setAttribute("label",gMessengerBundle.getString("linesColumnHeader"));
  }
  else {
     sizeColumn.setAttribute("label", gMessengerBundle.getString("sizeColumnHeader"));
  }
}

function UpdateStatusMessageCounts(folder)
{
  var unreadElement = GetUnreadCountElement();
  var totalElement = GetTotalCountElement();
  if(folder && unreadElement && totalElement)
  {
    var numUnread =
            gMessengerBundle.getFormattedString("unreadMsgStatus",
                                                [ folder.getNumUnread(false)]);
    var numTotal =
            gMessengerBundle.getFormattedString("totalMsgStatus",
                                                [folder.getTotalMessages(false)]);

    unreadElement.setAttribute("label", numUnread);
    totalElement.setAttribute("label", numTotal);
    unreadElement.hidden = false;
    totalElement.hidden = false;

  }

}

var gQuotaUICache;
function UpdateStatusQuota(folder)
{
  if (!(folder && // no folder selected
        folder instanceof Components.interfaces.nsIMsgImapMailFolder)) // POP etc.
  {
    if (typeof(gQuotaUICache) == "object") // ever shown quota
      gQuotaUICache.panel.hidden = true;
    return;
  }
  folder = folder.QueryInterface(Components.interfaces.nsIMsgImapMailFolder);

  // get element references and prefs
  if (typeof(gQuotaUICache) != "object")
  {
    gQuotaUICache = new Object();
    gQuotaUICache.meter = document.getElementById("quotaMeter");
    gQuotaUICache.panel = document.getElementById("quotaPanel");
    gQuotaUICache.label = document.getElementById("quotaLabel");
    const kBranch = "mail.quota.mainwindow_threshold.";
    gQuotaUICache.showTreshold = gPrefBranch.getIntPref(kBranch + "show");
    gQuotaUICache.warningTreshold = gPrefBranch.getIntPref(kBranch + "warning");
    gQuotaUICache.criticalTreshold = gPrefBranch.getIntPref(kBranch + "critical");
  }

  var valid = {value: null};
  var used = {value: null};
  var max = {value: null};
  try {
    // get data from backend
    folder.getQuota(valid, used, max);
  } catch (e) { dump(e + "\n"); }
  if (valid.value)
  {
    var percent = Math.round(used.value / max.value * 100);

    // show in UI
    if (percent < gQuotaUICache.showTreshold)
      gQuotaUICache.panel.hidden = true;
    else
    {
      gQuotaUICache.panel.hidden = false;
      gQuotaUICache.meter.setAttribute("value", percent);
           // do not use value property, because that is imprecise (3%)
           // for optimization that we don't need here
      var label = percent + "%";
      gQuotaUICache.label.value = label;
      if (percent < gQuotaUICache.warningTreshold)
        gQuotaUICache.panel.removeAttribute("alert");
      else if (percent < gQuotaUICache.criticalTreshold)
        gQuotaUICache.panel.setAttribute("alert", "warning");
      else
        gQuotaUICache.panel.setAttribute("alert", "critical");
    }
  }
  else
    gQuotaUICache.panel.hidden = true;
}

function ConvertColumnIDToSortType(columnID)
{
  var sortKey;

  switch (columnID) {
    case "dateCol":
      sortKey = nsMsgViewSortType.byDate;
      break;
    case "senderCol":
    	sortKey = nsMsgViewSortType.byAuthor;
      break;
    case "recipientCol":
    	sortKey = nsMsgViewSortType.byRecipient;
      break;
    case "subjectCol":
      sortKey = nsMsgViewSortType.bySubject;
      break;
    case "locationCol":
      sortKey = nsMsgViewSortType.byLocation;
      break;
    case "accountCol":
      sortKey = nsMsgViewSortType.byAccount;
      break;
    case "unreadButtonColHeader":
      sortKey = nsMsgViewSortType.byUnread;
      break;
    case "statusCol":
      sortKey = nsMsgViewSortType.byStatus;
      break;
    case "sizeCol":
      sortKey = nsMsgViewSortType.bySize;
      break;
    case "priorityCol":
      sortKey = nsMsgViewSortType.byPriority;
      break;
    case "flaggedCol":
      sortKey = nsMsgViewSortType.byFlagged;
      break;
    case "threadCol":
      sortKey = nsMsgViewSortType.byThread;
      break;
    case "tagsCol":
      sortKey = nsMsgViewSortType.byTags;
      break;
    case "junkStatusCol":
      sortKey = nsMsgViewSortType.byJunkStatus;
      break;
    case "idCol":
      sortKey = nsMsgViewSortType.byId;
      break;
    case "attachmentCol":
	    sortKey = nsMsgViewSortType.byAttachments;
	    break;
    default:
      
      //no predefined column handler - lets check if there is a custom column handler
      try {
        //try to grab the columnHandler (an error is thrown if it does not exist)
        columnHandler = gDBView.getColumnHandler(columnID);

        //it exists - save this column ID in the customSortCol property of dbFolderInfo
        //for later use (see nsIMsgDBView.cpp)
        gDBView.db.dBFolderInfo.setProperty('customSortCol', columnID);
        
        sortKey = nsMsgViewSortType.byCustom;
      }
      catch(err)
      {
        dump("unsupported sort column: " + columnID + " - no custom handler installed. (Error was: " + err + ")\n");
        sortKey = 0;
      }
      break;
  }
  return sortKey;
}

function ConvertSortTypeToColumnID(sortKey)
{
  var columnID;

  // hack to turn this into an integer, if it was a string
  // it would be a string if it came from localStore.rdf
  sortKey = sortKey - 0;

  switch (sortKey) {
    case nsMsgViewSortType.byDate:
      columnID = "dateCol";
      break;
    case nsMsgViewSortType.byAuthor:
      columnID = "senderCol";
      break;
    case nsMsgViewSortType.byRecipient:
      columnID = "recipientCol";
      break;
    case nsMsgViewSortType.bySubject:
      columnID = "subjectCol";
      break;
    case nsMsgViewSortType.byLocation:
      columnID = "locationCol";
      break;
    case nsMsgViewSortType.byAccount:
      columnID = "accountCol";
      break;
    case nsMsgViewSortType.byUnread:
      columnID = "unreadButtonColHeader";
      break;
    case nsMsgViewSortType.byStatus:
      columnID = "statusCol";
      break;
    case nsMsgViewSortType.byTags:
      columnID = "tagsCol";
      break;
    case nsMsgViewSortType.bySize:
      columnID = "sizeCol";
      break;
    case nsMsgViewSortType.byPriority:
      columnID = "priorityCol";
      break;
    case nsMsgViewSortType.byFlagged:
      columnID = "flaggedCol";
      break;
    case nsMsgViewSortType.byThread:
      columnID = "threadCol";
      break;
    case nsMsgViewSortType.byId:
      columnID = "idCol";
      break;
    case nsMsgViewSortType.byJunkStatus:
      columnID = "junkStatusCol";
      break;
	  case nsMsgViewSortType.byAttachments:
	    columnID = "attachmentCol";
	    break;
    case nsMsgViewSortType.byCustom:

      //TODO: either change try() catch to if (property exists) or restore the getColumnHandler() check
      try //getColumnHandler throws an errror when the ID is not handled
      {
        columnID = gDBView.db.dBFolderInfo.getProperty('customSortCol');
      }

      catch (err) { //error - means no handler
        dump("ConvertSortTypeToColumnID: custom sort key but no handler for column '" + columnID + "'\n");
        columnID = "dateCol";
      }

      break;
    default:
      dump("unsupported sort key: " + sortKey + "\n");
      columnID = "dateCol";
      break;
  }
  return columnID;
}

var nsMsgViewSortType = Components.interfaces.nsMsgViewSortType;
var nsMsgViewSortOrder = Components.interfaces.nsMsgViewSortOrder;
var nsMsgViewFlagsType = Components.interfaces.nsMsgViewFlagsType;
var nsMsgViewCommandType = Components.interfaces.nsMsgViewCommandType;
var nsMsgViewType = Components.interfaces.nsMsgViewType;
var nsMsgNavigationType = Components.interfaces.nsMsgNavigationType;

var gDBView = null;
var gCurViewFlags;
var gCurSortType;

// CreateDBView is called when we have a thread pane. CreateBareDBView is called when there is no
// tree associated with the view. CreateDBView will call into CreateBareDBView...

function CreateBareDBView(originalView, msgFolder, viewType, viewFlags, sortType, sortOrder)
{
  var dbviewContractId = "@mozilla.org/messenger/msgdbview;1?type=";
  // hack to turn this into an integer, if it was a string
  // it would be a string if it came from localStore.rdf
  viewType = viewType - 0;

  switch (viewType) {
      case nsMsgViewType.eShowQuickSearchResults:
          dbviewContractId += "quicksearch";
          break;
      case nsMsgViewType.eShowThreadsWithUnread:
          dbviewContractId += "threadswithunread";
          break;
      case nsMsgViewType.eShowWatchedThreadsWithUnread:
          dbviewContractId += "watchedthreadswithunread";
          break;
      case nsMsgViewType.eShowVirtualFolderResults:
          dbviewContractId += "xfvf";
          break;
      case nsMsgViewType.eShowSearch:
          dbviewContractId += "search";
          break;
      case nsMsgViewType.eShowAllThreads:
      default:
          if (sortType == nsMsgViewSortType.byThread || sortType == nsMsgViewSortType.byId
            || sortType == nsMsgViewSortType.byNone)
            viewFlags &= ~nsMsgViewFlagsType.kGroupBySort;

          if (viewFlags & nsMsgViewFlagsType.kGroupBySort)
            dbviewContractId += "group";
          else
            dbviewContractId += "threaded";
          break;
  }

  //  dump ("contract id = " + dbviewContractId + "original view = " + originalView + "\n");
  if (!originalView)
    gDBView = Components.classes[dbviewContractId].createInstance(Components.interfaces.nsIMsgDBView);

  gCurViewFlags = viewFlags;
  var count = new Object;
  if (!gThreadPaneCommandUpdater)
    gThreadPaneCommandUpdater = new nsMsgDBViewCommandUpdater();

  gCurSortType = sortType;

  if (!originalView) {
    gDBView.init(messenger, msgWindow, gThreadPaneCommandUpdater);
    gDBView.open(msgFolder, gCurSortType, sortOrder, viewFlags, count);
    if (viewType == nsMsgViewType.eShowVirtualFolderResults)
    {
      // the view is a listener on the search results
      gViewSearchListener = gDBView.QueryInterface(Components.interfaces.nsIMsgSearchNotify);
      gSearchSession.registerListener(gViewSearchListener);
    }
  } 
  else {
    gDBView = originalView.cloneDBView(messenger, msgWindow, gThreadPaneCommandUpdater);
  }
}

function CreateDBView(msgFolder, viewType, viewFlags, sortType, sortOrder)
{
  // call the inner create method
  CreateBareDBView(null, msgFolder, viewType, viewFlags, sortType, sortOrder);

  // now do tree specific work

  // based on the collapsed state of the thread pane/message pane splitter,
  // suppress message display if appropriate.
  gDBView.suppressMsgDisplay = IsMessagePaneCollapsed();

  UpdateSortIndicators(gCurSortType, sortOrder);
  var ObserverService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
  ObserverService.notifyObservers(msgFolder, "MsgCreateDBView", viewType + ":" + viewFlags);
}

//------------------------------------------------------------
// Sets the column header sort icon based on the requested
// column and direction.
//
// Notes:
// (1) This function relies on the first part of the
//     <treecell id> matching the <treecol id>.  The treecell
//     id must have a "Header" suffix.
// (2) By changing the "sortDirection" attribute, a different
//     CSS style will be used, thus changing the icon based on
//     the "sortDirection" parameter.
//------------------------------------------------------------
function UpdateSortIndicator(column,sortDirection)
{
  // this is obsolete
}

function GetSelectedFolderResource()
{
    var folderTree = GetFolderTree();
    var startIndex = {};
    var endIndex = {};
    folderTree.view.selection.getRangeAt(0, startIndex, endIndex);
    return GetFolderResource(folderTree, startIndex.value);
}

function ChangeMessagePaneVisibility(now_hidden)
{
  // we also have to hide the File/Attachments menuitem
  node = document.getElementById("fileAttachmentMenu");
  if (node)
    node.hidden = now_hidden;

  if (gDBView) {