CreateDatabaseWizard.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.motorolamobility.studio.android.db.core.ui.wizards.createdb;

import java.util.List;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialogWithToggle;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.ui.IPerspectiveDescriptor;
import org.eclipse.ui.IPerspectiveRegistry;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;

import com.motorolamobility.studio.android.db.core.DbCoreActivator;
import com.motorolamobility.studio.android.db.core.i18n.DbCoreNLS;
import com.motorolamobility.studio.android.db.core.model.TableModel;

public class CreateDatabaseWizard extends Wizard
{
    private static final String WIZBAN_ICON = "icons/wizban/create_database_ban.png"; //$NON-NLS-1$

    //it is an old plugin because of backward compatibility
    private static final String DB_PERSPECTIVE = "com.motorola.studio.android.db.perspective"; //$NON-NLS-1$

    private static final String SWITCH_MOTODEV_DATABASE_PERSPECTIVE =
            "switch.perspective.to.motodevstudio.database"; //$NON-NLS-1$

    private final List<String> alreadyAvailableDbs;

    private CreateDatabaseWizardPage createDatabaseWizardPage;

    private String dbName;

    private List<TableModel> tables;

    public CreateDatabaseWizard(final List<String> alreadyAvailableDbs)
    {
        this.alreadyAvailableDbs = alreadyAvailableDbs;

        setWindowTitle(DbCoreNLS.CreateDatabaseWizardPage_UI_PageTitle);
        setDefaultPageImageDescriptor(DbCoreActivator.imageDescriptorFromPlugin(
                DbCoreActivator.PLUGIN_ID, WIZBAN_ICON));
        setNeedsProgressMonitor(true);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.wizard.Wizard#addPages()
     */
    @Override
    public void addPages()
    {
        createDatabaseWizardPage = new CreateDatabaseWizardPage(alreadyAvailableDbs);
        addPage(createDatabaseWizardPage);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.wizard.Wizard#performFinish()
     */
    @Override
    public boolean performFinish()
    {
        dbName = createDatabaseWizardPage.getDatabaseName();
        tables = createDatabaseWizardPage.getTables();
        boolean canProceed = (dbName != null) && !"".equals(dbName); //$NON-NLS-1$
        if (canProceed)
        {
            changePerspective();
        }
        return canProceed; //$NON-NLS-1$
    }

    /**
     * @return the dbName
     */
    public String getDbName()
    {
        return dbName;
    }

    /**
     * @return the tables
     */
    public List<TableModel> getTables()
    {
        return tables;
    }

    private boolean confirmPerspectiveSwitch(IWorkbenchWindow window,
            IPerspectiveDescriptor perspective)
    {
        IPreferenceStore store = DbCoreActivator.getDefault().getPreferenceStore();
        String preference = store.getString(SWITCH_MOTODEV_DATABASE_PERSPECTIVE);

        if (preference.equals("")) //$NON-NLS-1$
        {
            store.setValue(SWITCH_MOTODEV_DATABASE_PERSPECTIVE, MessageDialogWithToggle.PROMPT);
            preference = MessageDialogWithToggle.PROMPT;
        }

        boolean result;

        if (MessageDialogWithToggle.ALWAYS.equals(preference))
        {
            result = true;
        }
        else if (MessageDialogWithToggle.NEVER.equals(preference))
        {
            result = false;
        }
        else
        {
            MessageDialogWithToggle dialog =
                    MessageDialogWithToggle.openYesNoQuestion(window.getShell(),
                            DbCoreNLS.UI_CreateDatabaseWizard_ChangePerspectiveTitle,
                            DbCoreNLS.UI_CreateDatabaseWizard_ChangePerspectiveQuestion, null,
                            false, store, SWITCH_MOTODEV_DATABASE_PERSPECTIVE);
            int dialogResult = dialog.getReturnCode();

            result = dialogResult == IDialogConstants.YES_ID;
        }

        return result;
    }

    /**
     * Changes the perspective
     * 
     */
    private void changePerspective()
    {
        IPerspectiveRegistry reg = PlatformUI.getWorkbench().getPerspectiveRegistry();
        IPerspectiveDescriptor perspective = reg.findPerspectiveWithId(DB_PERSPECTIVE);

        IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
        IWorkbenchPage page = window.getActivePage();
        if (page != null)
        {
            IPerspectiveDescriptor currentPersp = page.getPerspective();

            if ((currentPersp != null) && !DB_PERSPECTIVE.contains(currentPersp.getId()))
            {
                boolean changePerspective = confirmPerspectiveSwitch(window, perspective);
                if (changePerspective)
                {
                    page.setPerspective(perspective);
                }
            }
        }
    }

}