edspellcheck.js

来自「现在很火的邮件客户端软件thunderbird的源码」· JavaScript 代码 · 共 616 行 · 第 1/2 页

  gPreviousReplaceWord = gMisspelledWord;

  // This sets gDialog.ReplaceWordInput to first suggested word in list
  FillSuggestedList(gMisspelledWord);

  DoEnabling();

  if (gMisspelledWord)
    SetTextboxFocus(gDialog.ReplaceWordInput);
}

function CheckWord()
{
  var word = gDialog.ReplaceWordInput.value;
  if (word) 
  {
    if (gSpellChecker.CheckCurrentWord(word))
    {
      FillSuggestedList(word);
      SetReplaceEnable();
    } 
    else 
    {
      ClearListbox(gDialog.SuggestedList);
      var item = gDialog.SuggestedList.appendItem(GetString("CorrectSpelling"), "");
      if (item) item.setAttribute("disabled", "true");
      // Suppress being able to select the message text
      gAllowSelectWord = false;
    }
  }
}

function SelectSuggestedWord()
{
  if (gAllowSelectWord)
  {
    var selectedItem
    if (gDialog.SuggestedList.selectedItem)
    {
      var selValue = gDialog.SuggestedList.selectedItem.getAttribute("label");
      gDialog.ReplaceWordInput.value = selValue;
      gPreviousReplaceWord = selValue;
    }
    else
    {
      gDialog.ReplaceWordInput.value = gPreviousReplaceWord;
    }
    SetReplaceEnable();
  }
}

function ChangeReplaceWord()
{
  // Calling this triggers SelectSuggestedWord(),
  //  so temporarily suppress the effect of that
  var saveAllow = gAllowSelectWord;
  gAllowSelectWord = false;

  // Select matching word in list
  var newIndex = -1;
  var newSelectedItem;
  var replaceWord = TrimString(gDialog.ReplaceWordInput.value);
  if (replaceWord)
  {
    for (var i = 0; i < gDialog.SuggestedList.getRowCount(); i++)
    {
      var item = gDialog.SuggestedList.getItemAtIndex(i);
      if (item.getAttribute("label") == replaceWord)
      {
        newSelectedItem = item;
        break;
      }
    }
  }
  gDialog.SuggestedList.selectedItem = newSelectedItem;

  gAllowSelectWord = saveAllow;

  // Remember the new word
  gPreviousReplaceWord = gDialog.ReplaceWordInput.value;

  SetReplaceEnable();
}

function Ignore()
{
  NextWord();
}

function IgnoreAll()
{
  if (gMisspelledWord) {
    gSpellChecker.IgnoreWordAllOccurrences(gMisspelledWord);
  }
  NextWord();
}

function Replace(newWord)
{
  if (!newWord)
    return;

  if (gMisspelledWord && gMisspelledWord != newWord)
  {
    var editor = GetCurrentEditor();
    editor.beginTransaction();
    try {
      gSpellChecker.ReplaceWord(gMisspelledWord, newWord, false);
    } catch (e) {}
    editor.endTransaction();
  }
  NextWord();
}

function ReplaceAll()
{
  var newWord = gDialog.ReplaceWordInput.value;
  if (gMisspelledWord && gMisspelledWord != newWord)
  {
    var editor = GetCurrentEditor();
    editor.beginTransaction();
    try {
      gSpellChecker.ReplaceWord(gMisspelledWord, newWord, true);
    } catch (e) {}
    editor.endTransaction();
  }
  NextWord();
}

function AddToDictionary()
{
  if (gMisspelledWord) {
    gSpellChecker.AddWordToDictionary(gMisspelledWord);
  }
  NextWord();
}

function EditDictionary()
{
  window.openDialog("chrome://editor/content/EdDictionary.xul", "_blank", "chrome,close,titlebar,modal", "", gMisspelledWord);
}

function SelectLanguage()
{
  try {
    var item = gDialog.LanguageMenulist.selectedItem;
    if (item.value != "more-cmd") {
      gSpellChecker.SetCurrentDictionary(item.value);
      gLastSelectedLang = item;
    }
    else {
      var ioService = Components.classes["@mozilla.org/network/io-service;1"]
                        .getService(Components.interfaces.nsIIOService);
      var uri = ioService.newURI(getDictionaryURL(), null, null);
      var protocolSvc = Components.classes["@mozilla.org/uriloader/external-protocol-service;1"]
                                  .getService(Components.interfaces.nsIExternalProtocolService);
      protocolSvc.loadUrl(uri);
      if (gLastSelectedLang)
        gDialog.LanguageMenulist.selectedItem = gLastSelectedLang;
    }
  } catch (ex) {
    dump(ex);
  }
}

function getDictionaryURL()
{
  var formatter = Components.classes["@mozilla.org/toolkit/URLFormatterService;1"]
                  .getService(Components.interfaces.nsIURLFormatter);
                 
  return formatter.formatURLPref("spellchecker.dictionaries.download.url");
}

function Recheck()
{
  //TODO: Should we bother to add a "Recheck" method to interface?
  try {
    var curLang = gSpellChecker.GetCurrentDictionary();
    gSpellChecker.UninitSpellChecker();
    gSpellChecker.InitSpellChecker(GetCurrentEditor(), false);
    gSpellChecker.SetCurrentDictionary(curLang);
    gMisspelledWord = gSpellChecker.GetNextMisspelledWord();
    SetWidgetsForMisspelledWord();
  } catch(ex) {
    dump(ex);
  }
}

function FillSuggestedList(misspelledWord)
{
  var list = gDialog.SuggestedList;

  // Clear the current contents of the list
  gAllowSelectWord = false;
  ClearListbox(list);
  var item;

  if (misspelledWord.length > 0)
  {
    // Get suggested words until an empty string is returned
    var count = 0;
    var firstWord = 0;
    do {
      var word = gSpellChecker.GetSuggestedWord();
      if (count==0)
        firstWord = word;
      if (word.length > 0)
      {
        list.appendItem(word, "");
        count++;
      }
    } while (word.length > 0);

    if (count == 0)
    {
      // No suggestions - show a message but don't let user select it
      item = list.appendItem(GetString("NoSuggestedWords"));
      if (item) item.setAttribute("disabled", "true");
      gAllowSelectWord = false;
    } else {
      gAllowSelectWord = true;
      // Initialize with first suggested list by selecting it
      gDialog.SuggestedList.selectedIndex = 0;
    }
  } 
  else
  {
    item = list.appendItem("", "");
    if (item)
      item.setAttribute("disabled", "true");
  }
}

function SetReplaceEnable()
{
  // Enable "Change..." buttons only if new word is different than misspelled
  var newWord = gDialog.ReplaceWordInput.value;
  var enable = newWord.length > 0 && newWord != gMisspelledWord;
  SetElementEnabledById("Replace", enable);
  SetElementEnabledById("ReplaceAll", enable);
  if (enable)
  {
    gDialog.ReplaceButton.setAttribute("default","true");
    gDialog.IgnoreButton.removeAttribute("default");
  }
  else
  {
    gDialog.IgnoreButton.setAttribute("default","true");
    gDialog.ReplaceButton.removeAttribute("default");
  }
}

function doDefault()
{
  if (gDialog.ReplaceButton.getAttribute("default") == "true")
    Replace(gDialog.ReplaceWordInput.value);
  else if (gDialog.IgnoreButton.getAttribute("default") == "true")
    Ignore();
  else if (gDialog.CloseButton.getAttribute("default") == "true")
    onClose();

  return false;
}

function ExitSpellChecker()
{
  if (gSpellChecker)
  {
    try
    {
      var curLang = gSpellChecker.GetCurrentDictionary();
      gSpellChecker.UninitSpellChecker();
      if ("@mozilla.org/spellchecker;1" in Components.classes) {
        var spellChecker = Components.classes["@mozilla.org/spellchecker/myspell;1"]
                                     .getService(Components.interfaces.mozISpellCheckingEngine);
        spellChecker.dictionary = curLang;
      }
      // now check the document over again with the new dictionary
      // if we have an inline spellchecker
      if (("InlineSpellChecker" in window.opener) &&
          ("inlineSpellChecker" in window.opener.InlineSpellChecker))
        if (window.opener.InlineSpellChecker.inlineSpellChecker.enableRealTimeSpell)
          window.opener.InlineSpellChecker.checkDocument(window.opener.content.document);
    }
    finally
    {
      gSpellChecker = null;
    }
  }
}

function CancelSpellCheck()
{
  ExitSpellChecker();

  // Signal to calling window that we canceled
  window.opener.cancelSendMessage = true;
  return true;
}

function onClose()
{
  ExitSpellChecker();

  window.opener.cancelSendMessage = false;
  window.close();
}