Examples of javax.microedition.lcdui.Displayable

javax.microedition.lcdui.Displayable
An object that has the capability of being placed on the display. A Displayable object may have a title, a ticker, zero or more commands and a listener associated with it. The contents displayed and their interaction with the user are defined by subclasses.
The title string may contain line breaks. The display of the title string must break accordingly. For example, if only a single line is available for a title and the string contains a line break then only the characters up to the line break are displayed.

Unless otherwise specified by a subclass, the default state of newly created Displayable objects is as follows:
- it is not visible on the Display;
- there is no Ticker associated with this Displayable;
- the title is null;
- there are no Commands present; and
- there is no CommandListener present.
@since MIDP 1.0

   *
   * @return The leaf editor displayable
   */
  protected Displayable getLeafEditor(MutableHierarchyNode rNode)
  {
    Displayable aEditor = rNodeController.createLeafEditor(rNode);


    aEditor.setCommandListener(this);
    setCommands(aEditor, aNodeEditorCommands);


    return aEditor;
  }

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   *
   * @return The leaf viewer displayable
   */
  protected Displayable getLeafViewer(HierarchyNode rNode)
  {
    Displayable aViewer = rNodeController.createLeafViewer(rNode);


    aViewer.setCommandListener(this);
    setCommands(aViewer, aGeneralCommands);
    setCommands(aViewer, aNodeViewerCommands);


    if (rNode instanceof MutableHierarchyNode)
    {

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   *
   * @return The topmost List on the view stack
   */
  protected HierarchyNodeDisplay getCurrentDisplay()
  {
    Displayable rCheck;
    int        nPos = aViewStack.size();


    do
    {
      rCheck = (Displayable) aViewStack.elementAt(--nPos);

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    {
      aTitles[nCount] = getString("JL_NewItem");
      aImages[nCount] = aNewItemImage;
    }


    Displayable aDisplay = (Displayable) createNodeDisplay(rParent, aTitles,
                                 aImages);


    rViewController.setListCommands(aDisplay, rParent, bEditable,
                    aClipboard != null, bWithBackCommand);

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   * displays temporary screens from time to time can use the ScreenManager
   * class too.</p>
   */
  public static void refresh()
  {
    Displayable rScreen = null;


    if (aTemporaryScreenStack.size() > 0)
    {
      rScreen = (Displayable) aTemporaryScreenStack.peek();
    }

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    case 2:
      List l = (List) Display.getDisplay(m).getCurrent();
      int j = l.getSelectedIndex();
      String file_or_path = l.getTitle() + l.getString(j);
      Displayable f = null;
      currentPath = file_or_path;
      if (file_or_path.endsWith("/")) {
        f = new DirectoryEditor(file_or_path);
        f.addCommand(saveCommand);
      } else if (file_or_path.endsWith(".mp3")) {
        f = new FileEditor(file_or_path);
        f.addCommand(saveCommand);
      } else if (file_or_path.endsWith(".txt")) {
        f = new VisorDeTexto(file_or_path);
      }
      Display.getDisplay(m).setCurrent(f);
      f.setCommandListener(this);
      f.addCommand(backCommand);
    }


    q = s;
  }

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    if (c == backCommand) {
      if (q == 2) {
        q--;
      }
      Displayable d2 = (Displayable) lifo.pop();
      if (lifo.isEmpty())
        q = 0;
      Display.getDisplay(m).setCurrent(d2);
    }

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