NewAndroidWidgetProjectMainPage.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.motorola.studio.android.wizards.widget;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.DialogPage;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.ui.PlatformUI;

import com.motorola.studio.android.AndroidPlugin;
import com.motorola.studio.android.i18n.AndroidNLS;
import com.motorola.studio.android.model.AndroidProject;
import com.motorola.studio.android.model.IWizardModel;
import com.motorola.studio.android.wizards.elements.ApplicationGroup;
import com.motorola.studio.android.wizards.elements.ProjectNameGroup;
import com.motorola.studio.android.wizards.elements.SdkTargetSelector;
import com.motorola.studio.android.wizards.elements.WidgetLocationGroup;

/**
 * Class that represents the main page in the New Widget Project Wizard
 */
public class NewAndroidWidgetProjectMainPage extends WizardPage
{

    private static final String PAGE_NAME = "Main Page";

    private final AndroidProject project;

    private final String NEW_WIDGET_PROJECT_HELP = AndroidPlugin.PLUGIN_ID + ".newwdgproj";

    /**
     * Listener for the wizard changes
     */
    private final Listener modelListener = new Listener()
    {
        public void handleEvent(Event arg0)
        {
            IStatus status = project.getStatus();
            int severity = status.getSeverity();
            setPageComplete(severity != IStatus.ERROR);

            int msgType;
            switch (severity)
            {
                case IStatus.OK:
                    msgType = DialogPage.NONE;
                    break;
                case IStatus.ERROR:
                    msgType = DialogPage.ERROR;
                    break;
                case IStatus.WARNING:
                    msgType = DialogPage.WARNING;
                    break;
                default:
                    msgType = DialogPage.NONE;
                    break;
            }
            String defaultMessage =
                    AndroidNLS.UI_NewAndroidWidgetProjectMainPage_SubtitleCreateProject;
            setMessage(status.isOK() ? defaultMessage : status.getMessage(), msgType);
        }
    };

    /**
     * Constructor
     * 
     * @param project The selected project 
     */
    public NewAndroidWidgetProjectMainPage(AndroidProject project)
    {
        super(PAGE_NAME);
        this.project = project;
        setTitle(AndroidNLS.UI_NewAndroidWidgetProjectMainPage_TitleCreateProject);
        setDescription(AndroidNLS.UI_NewAndroidWidgetProjectMainPage_WizardProjectDescription);
        setPageComplete(false);

    }

    /**
     * Create the page SWT controls.
     * 
     * @param parent The parent composite
     */
    public void createControl(Composite parent)
    {
        Composite composite = new Composite(parent, SWT.NULL);
        composite.setFont(parent.getFont());

        initializeDialogUnits(parent);

        composite.setLayout(new GridLayout());
        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        //only put the project and location groups: no vertical resize, no vertical style

        ProjectNameGroup projectNameGroup = new ProjectNameGroup(composite, project);
        projectNameGroup.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));

        // Create Location Group
        Group groupForLocation = new Group(composite, SWT.SHADOW_ETCHED_IN);
        // Layout has 1 column
        groupForLocation.setLayout(new GridLayout());
        groupForLocation.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
        groupForLocation.setFont(composite.getFont());
        groupForLocation.setText(AndroidNLS.UI_NewAndroidWidgetProjectMainPage_LabelContents);

        WidgetLocationGroup locationGroup =
                new WidgetLocationGroup(groupForLocation, project, this);
        // End of Location Group

        // Create SDK Group
        //create sdk group with vertical resize, grabbing excedding space
        Group groupForTarget = new Group(composite, SWT.SHADOW_ETCHED_IN);
        groupForTarget.setLayout(new GridLayout());
        groupForTarget.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        groupForTarget.setFont(composite.getFont());
        groupForTarget.setText(AndroidNLS.UI_NewAndroidProjectMainPage_LabelTarget);

        final SdkTargetSelector mSdkTargetSelector = new SdkTargetSelector(groupForTarget, project);
        //End of Target Creation

        // Create Package Group
        Group group = new Group(composite, SWT.SHADOW_ETCHED_IN);

        // Layout has 1 column
        group.setLayout(new GridLayout());
        group.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
        group.setFont(composite.getFont());
        group.setText(AndroidNLS.UI_NewAndroidProjectMainPage_LabelApplication);

        final ApplicationGroup applicationGroup = new ApplicationGroup(group, project);

        Listener listener = new Listener()
        {

            public void handleEvent(Event arg0)
            {
                applicationGroup.updateDefaultName();
                applicationGroup.updateMinSdkVersion();
                getContainer().updateButtons();
            }
        };

        projectNameGroup.addListener(IWizardModel.MODIFIED, modelListener);
        projectNameGroup.addListener(IWizardModel.MODIFIED, listener);
        locationGroup.addListener(IWizardModel.MODIFIED, listener);
        locationGroup.addListener(IWizardModel.MODIFIED, modelListener);
        applicationGroup.addListener(IWizardModel.MODIFIED, modelListener);
        mSdkTargetSelector.addListener(IWizardModel.MODIFIED, modelListener);
        mSdkTargetSelector.addListener(IWizardModel.MODIFIED, listener);

        //create application group with no vertical resize
        setPageComplete(false);

        // Show description the first time
        setErrorMessage(null);
        setMessage(null);

        projectNameGroup.forceFocus();
        setControl(composite);
        composite.layout(true);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, NEW_WIDGET_PROJECT_HELP);
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.dialogs.DialogPage#setButtonLayoutData(org.eclipse.swt.widgets.Button)
     */
    @Override
    public GridData setButtonLayoutData(Button button)
    {
        return super.setButtonLayoutData(button);
    }

}