org.eclipse.swt.widgets.MenuItem.isDisposed()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中org.eclipse.swt.widgets.MenuItem.isDisposed()方法的一些代码示例，展示了MenuItem.isDisposed()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。MenuItem.isDisposed()方法的具体详情如下：
包路径：org.eclipse.swt.widgets.MenuItem
类名称：MenuItem
方法名：isDisposed

暂无

代码示例

代码示例来源：origin: pentaho/pentaho-kettle

private void setUndoMenu() {
 TransAction prev = viewPreviousUndo();
 TransAction next = viewNextUndo();
 if ( miEditUndo.isDisposed() || miEditRedo.isDisposed() ) {
  return;
 }
 if ( prev != null ) {
  miEditUndo.setEnabled( true );
  miEditUndo.setText( OsHelper.customizeMenuitemText( BaseMessages.getString( PKG, "TableView.menu.Undo", prev
   .toString() ) ) );
 } else {
  miEditUndo.setEnabled( false );
  miEditUndo.setText( OsHelper.customizeMenuitemText( BaseMessages.getString(
   PKG, "TableView.menu.UndoNotAvailable" ) ) );
 }
 if ( next != null ) {
  miEditRedo.setEnabled( true );
  miEditRedo.setText( OsHelper.customizeMenuitemText( BaseMessages.getString( PKG, "TableView.menu.Redo", next
   .toString() ) ) );
 } else {
  miEditRedo.setEnabled( false );
  miEditRedo.setText( OsHelper.customizeMenuitemText( BaseMessages.getString(
   PKG, "TableView.menu.RedoNotAvailable" ) ) );
 }
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.ui.workbench

@Override
public void widgetSelected(SelectionEvent e) {
  if (text.getSelectionText().length() == 0) {
    if (copyAction != null && !copyAction.isDisposed()) {
      copyAction.setEnabled(false);
    }
  } else {
    if (copyAction != null && !copyAction.isDisposed()) {
      copyAction.setEnabled(true);
    }
  }
}

代码示例来源：origin: org.eclipse.swt.cocoa.macosx/x86_64

void releaseChildren (boolean destroy) {
  if (items != null) {
    for (int i=0; i<items.length; i++) {
      MenuItem item = items [i];
      if (item != null && !item.isDisposed ()) {
        item.release (false);
      }
    }
    items = null;
  }
  super.releaseChildren (destroy);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.ui.workbench

/**
 * Refreshes the selected menu items to match the current state of the model.
 */
private void refreshSelection() {
  Iterator iter = items.iterator();
  while (iter.hasNext()) {
    MenuItem next = (MenuItem) iter.next();
    if (!next.isDisposed()) {
      next.setSelection(isEqual(data.getState(), next.getData()));
    }
  }
}

代码示例来源：origin: org.eclipse.jdt/org.eclipse.jdt.ui

protected void disposeMenuItems() {
  if (fMenu == null || fMenu.isDisposed()) {
    return;
  }
  MenuItem[] items = fMenu.getItems();
  for (int i=0; i < items.length; i++) {
    MenuItem menuItem= items[i];
    if (!menuItem.isDisposed()) {
      menuItem.dispose();
    }
  }
}

代码示例来源：origin: org.eclipse.rap/org.eclipse.rap.jface

private boolean isTopLevelMenu() {
  if (menu != null && !menu.isDisposed() && menuItem != null
      && !menuItem.isDisposed()) {
    Menu parentMenu = menuItem.getParent();
    return parentMenu != null
        && ((parentMenu.getStyle() & SWT.BAR) == SWT.BAR);
  }
  return false;
}

代码示例来源：origin: org.eclipse/org.eclipse.jdt.ui

protected void disposeMenuItems() {
  if (fMenu == null || fMenu.isDisposed()) {
    return;
  }
  MenuItem[] items = fMenu.getItems();
  for (int i=0; i < items.length; i++) {
    MenuItem menuItem= items[i];
    if (!menuItem.isDisposed()) {
      menuItem.dispose();
    }
  }
}

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jface

private boolean isTopLevelMenu() {
  if (menu != null && !menu.isDisposed() && menuItem != null
      && !menuItem.isDisposed()) {
    Menu parentMenu = menuItem.getParent();
    return parentMenu != null
        && ((parentMenu.getStyle() & SWT.BAR) == SWT.BAR);
  }
  return false;
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

@Override
void releaseChildren (boolean destroy) {
  MenuItem [] items = getItems ();
  for (int i=0; i<items.length; i++) {
    MenuItem item = items [i];
    if (item != null && !item.isDisposed ()) {
      item.release (false);
    }
  }
  super.releaseChildren (destroy);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.jface

private boolean isTopLevelMenu() {
  if (menu != null && !menu.isDisposed() && menuItem != null
      && !menuItem.isDisposed()) {
    Menu parentMenu = menuItem.getParent();
    return parentMenu != null
        && ((parentMenu.getStyle() & SWT.BAR) == SWT.BAR);
  }
  return false;
}

代码示例来源：origin: org.eclipse.scout.sdk.deps/org.eclipse.jdt.ui

protected void disposeMenuItems() {
  if (fMenu == null || fMenu.isDisposed()) {
    return;
  }
  MenuItem[] items = fMenu.getItems();
  for (int i=0; i < items.length; i++) {
    MenuItem menuItem= items[i];
    if (!menuItem.isDisposed()) {
      menuItem.dispose();
    }
  }
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

@Override
void releaseChildren (boolean destroy) {
  MenuItem [] items = getItems ();
  for (int i=0; i<items.length; i++) {
    MenuItem item = items [i];
    if (item != null && !item.isDisposed ()) {
      item.release (false);
    }
  }
  super.releaseChildren (destroy);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

@Override
void releaseChildren (boolean destroy) {
  MenuItem [] items = getItems ();
  for (int i=0; i<items.length; i++) {
    MenuItem item = items [i];
    if (item != null && !item.isDisposed ()) {
      item.release (false);
    }
  }
  super.releaseChildren (destroy);
}

代码示例来源：origin: BiglySoftware/BiglyBT

@Override
  public void handleEvent(Event e) {
    if (az_menuitem.getStyle() == MenuItem.STYLE_CHECK
        || az_menuitem.getStyle() == MenuItem.STYLE_RADIO) {
      if (!menuItem.isDisposed()) {
        az_menuitem.setData(Boolean.valueOf(menuItem.getSelection()));
      }
    }
    main_listener.handleEvent(e);
  }
});

代码示例来源：origin: BiglySoftware/BiglyBT

@Override
  public void handleEvent(Event event) {
    if (!item.isDisposed()) {
      item.setEnabled(!MiniBarManager.getManager().getShellManager().isEmpty());
    }
  }
};

代码示例来源：origin: BiglySoftware/BiglyBT

@Override
  public void handleEvent(Event event) {
    if (MenuFactory.isEnabledForCurrentMode(item)) {
      if (!item.isDisposed() && !event.widget.isDisposed()) {
        boolean hasDetails = UIFunctionsManagerSWT.getUIFunctionsSWT().hasDetailViews();
        item.setEnabled(hasDetails);
      }
    }
  }
};

代码示例来源：origin: BiglySoftware/BiglyBT

@Override
  public void handleEvent(Event event) {
    if (item.isDisposed()) {
      menu.removeListener(SWT.Show, this);
    } else {
      item.setSelection(!MiniBarManager.getManager().getShellManager().isEmpty());
    }
  }
});

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

boolean sendHelpEvent (long /*int*/ helpType) {
  if (selectedItem != null && !selectedItem.isDisposed()) {
    if (selectedItem.hooks (SWT.Help)) {
      selectedItem.postEvent (SWT.Help);
      return true;
    }
  }
  if (hooks (SWT.Help)) {
    postEvent (SWT.Help);
    return true;
  }
  return parent.sendHelpEvent (helpType);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

boolean sendHelpEvent (int /*long*/ helpType) {
  if (selectedItem != null && !selectedItem.isDisposed()) {
    if (selectedItem.hooks (SWT.Help)) {
      selectedItem.postEvent (SWT.Help);
      return true;
    }
  }
  if (hooks (SWT.Help)) {
    postEvent (SWT.Help);
    return true;
  }
  return parent.sendHelpEvent (helpType);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

boolean sendHelpEvent (int /*long*/ helpType) {
  if (selectedItem != null && !selectedItem.isDisposed()) {
    if (selectedItem.hooks (SWT.Help)) {
      selectedItem.postEvent (SWT.Help);
      return true;
    }
  }
  if (hooks (SWT.Help)) {
    postEvent (SWT.Help);
    return true;
  }
  return parent.sendHelpEvent (helpType);
}

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