/*******************************************************************************
 * Copyright (c) 2000, 2015 IBM Corporation and others.
 *
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.actions;

import org.eclipse.core.runtime.IAdaptable;

import org.eclipse.jface.action.Action;

import org.eclipse.ui.IWorkbenchCommandConstants;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.WorkbenchException;
import org.eclipse.ui.internal.IWorkbenchHelpContextIds;
import org.eclipse.ui.internal.Workbench;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.misc.StatusUtil;
import org.eclipse.ui.statushandlers.StatusManager;

/**
 * Opens a new window. The initial perspective for the new window will be the
 * same type as the active perspective in the window which this action is
 * running in. The default input for the new window's page is
 * application-specific.
 */
public class OpenInNewWindowAction extends Action implements ActionFactory.IWorkbenchAction {

	/**
	 * The workbench window; or <code>null</code> if this action has been
	 * <code>dispose</code>d.
	 */
	private IWorkbenchWindow workbenchWindow;

	private IAdaptable pageInput;

	/**
	 * Creates a new <code>OpenInNewWindowAction</code>. Sets the new window page's
	 * input to be an application-specific default.
	 *
	 * @param window the workbench window containing this action
	 */
	public OpenInNewWindowAction(IWorkbenchWindow window) {
		this(window, ((Workbench) window.getWorkbench()).getDefaultPageInput());
		setActionDefinitionId(IWorkbenchCommandConstants.WINDOW_NEW_WINDOW);
	}

	/**
	 * Creates a new <code>OpenInNewWindowAction</code>.
	 *
	 * @param window the workbench window containing this action
	 * @param input  the input for the new window's page
	 */
	public OpenInNewWindowAction(IWorkbenchWindow window, IAdaptable input) {
		super(WorkbenchMessages.OpenInNewWindowAction_text);
		if (window == null) {
			throw new IllegalArgumentException();
		}
		this.workbenchWindow = window;
		// @issue missing action id
		setToolTipText(WorkbenchMessages.OpenInNewWindowAction_toolTip);
		pageInput = input;
		window.getWorkbench().getHelpSystem().setHelp(this, IWorkbenchHelpContextIds.OPEN_NEW_WINDOW_ACTION);
	}

	/**
	 * Set the input to use for the new window's page.
	 *
	 * @param input the input
	 */
	public void setPageInput(IAdaptable input) {
		pageInput = input;
	}

	/**
	 * The implementation of this <code>IAction</code> method opens a new window.
	 * The initial perspective for the new window will be the same type as the
	 * active perspective in the window which this action is running in.
	 */
	@Override
	public void run() {
		if (workbenchWindow == null) {
			// action has been disposed
			return;
		}
		try {
			String perspId;

			IWorkbenchPage page = workbenchWindow.getActivePage();
			if (page != null && page.getPerspective() != null) {
				perspId = page.getPerspective().getId();
			} else {
				perspId = workbenchWindow.getWorkbench().getPerspectiveRegistry().getDefaultPerspective();
			}

			workbenchWindow.getWorkbench().openWorkbenchWindow(perspId, pageInput);
		} catch (WorkbenchException e) {
			StatusUtil.handleStatus(e.getStatus(),
					WorkbenchMessages.OpenInNewWindowAction_errorTitle + ": " + e.getMessage(), //$NON-NLS-1$
					StatusManager.SHOW);
		}
	}

	@Override
	public void dispose() {
		workbenchWindow = null;
	}
}
