| /******************************************************************************* |
| * Copyright (c) 2018 Remain Software |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * wim.jongman@remainsoftware.com - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.tips.ui.internal; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.tips.core.ITipManager; |
| import org.eclipse.tips.core.internal.LogUtil; |
| import org.eclipse.tips.core.internal.TipManager; |
| |
| /** |
| * Class to manage the tip providers and start the tip of the day UI. |
| * |
| */ |
| @SuppressWarnings("restriction") |
| public abstract class DefaultTipManager extends TipManager { |
| |
| private TipDialog fTipDialog; |
| |
| @Override |
| public ITipManager open(boolean startUp) { |
| return open(startUp, null); |
| } |
| |
| /** |
| * Alternative open method that receives an {@link IDialogSettings} class to |
| * store the width and height and possibly other dialog settings. Subclasses may |
| * override if they want to present the Tips in a different way, e.g. in a view. |
| * |
| * @param startUp When called from a startup situation, true must be |
| * passed for <code>pStartup</code>. If in a manual |
| * starting situation, false must be passed. This enables |
| * the manager to decide to skip opening the dialog at |
| * startup (e.g., no new tip items). |
| * @param dialogSettings An object to store various dialog settings. May be |
| * null; |
| * |
| * @return this tip manager. |
| * @see #open() |
| * |
| */ |
| public ITipManager open(boolean startUp, IDialogSettings dialogSettings) { |
| if (isOpen() && !isDialogOpen()) { |
| setOpen(false); |
| } else if (isOpen() && isDialogOpen()) { |
| if (fTipDialog.getShell().getMinimized()) { |
| fTipDialog.getShell().setMinimized(false); |
| } |
| fTipDialog.getShell().forceActive(); |
| return this; |
| } |
| try { |
| Assert.isTrue(!isOpen(), Messages.DefaultTipManager_0); |
| } catch (Exception e) { |
| log(LogUtil.error(getClass(), e)); |
| throw e; |
| } |
| if (!mustOpen(startUp)) { |
| return this; |
| } |
| |
| setOpen(true); |
| fTipDialog = new TipDialog(Display.getCurrent().getActiveShell(), this, TipDialog.DEFAULT_STYLE, |
| dialogSettings); |
| fTipDialog.open(); |
| fTipDialog.getShell().addDisposeListener(pE -> { |
| dispose(); |
| }); |
| return this; |
| } |
| |
| private boolean isDialogOpen() { |
| return !(fTipDialog == null || fTipDialog.getShell() == null || fTipDialog.getShell().isDisposed()); |
| } |
| |
| // Open if not a startup call or if there are unread tips. |
| private boolean mustOpen(boolean startUp) { |
| if (!startUp) { |
| return true; |
| } |
| if (startUp && getStartupBehavior() == TipManager.START_DIALOG) { |
| return hasContent(); |
| } |
| return false; |
| } |
| } |