/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 *******************************************************************************/

package com.liferay.ide.portlet.ui.jsf;

import com.liferay.ide.core.util.StringPool;
import com.liferay.ide.portlet.core.jsf.INewJSFPortletClassDataModelProperties;
import com.liferay.ide.portlet.core.jsf.JSFPortletUtil;
import com.liferay.ide.portlet.ui.wizard.NewPortletClassWizardPage;
import com.liferay.ide.ui.util.SWTUtil;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.resources.IProject;
import org.eclipse.jst.j2ee.internal.common.operations.INewJavaClassDataModelProperties;
import org.eclipse.jst.j2ee.internal.plugin.J2EEUIMessages;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.wst.common.componentcore.internal.operation.IArtifactEditOperationDataModelProperties;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;

/**
 * @author Greg Amerson
 * @author Cindy Li
 */
@SuppressWarnings( "restriction" )
public class NewJSFPortletClassWizardPage extends NewPortletClassWizardPage
    implements INewJSFPortletClassDataModelProperties
{
    protected Button jsfPortletClassButton;
    protected Label jsfPortletClassLabel;
    protected Text jsfPortletClassText;

    public NewJSFPortletClassWizardPage(
        IDataModel model, String pageName, String pageDesc, String pageTitle, boolean fragment )
    {
        super( model, pageName, pageDesc, pageTitle, fragment );
    }

    @Override
    protected void createClassnameGroup( Composite parent )
    {
        // don't create classname group
    }

    protected void createCustomPortletClassGroup( Composite parent )
    {
        // portlet class
        jsfPortletClassLabel = new Label( parent, SWT.LEFT );
        jsfPortletClassLabel.setText( Msgs.portletClass );
        jsfPortletClassLabel.setLayoutData( new GridData( GridData.HORIZONTAL_ALIGN_FILL ) );

        jsfPortletClassText = new Text( parent, SWT.BORDER );
        jsfPortletClassText.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
        synchHelper.synchText( jsfPortletClassText, JSF_PORTLET_CLASS, null );

        if( this.fragment )
        {
            SWTUtil.createLabel( parent, StringPool.EMPTY, 1 );
        }
        else
        {
            jsfPortletClassButton = new Button( parent, SWT.PUSH );
            jsfPortletClassButton.setText( J2EEUIMessages.BROWSE_BUTTON_LABEL );
            jsfPortletClassButton.setLayoutData( new GridData( GridData.HORIZONTAL_ALIGN_FILL ) );
            jsfPortletClassButton.addSelectionListener( new SelectionListener()
            {

                public void widgetDefaultSelected( SelectionEvent e )
                {
                    // Do nothing
                }

                public void widgetSelected( SelectionEvent e )
                {
                    // handlePortletClassButtonPressed();
                    handlePortletClassButtonSelected( jsfPortletClassText );
                }
            } );
        }
    }

    @Override
    protected void createPackageGroup( Composite parent )
    {
        // don't create package group
    }

    @Override
    protected void createSuperclassGroup( Composite parent )
    {
        // instead of superclass field create our portlet class field
        createCustomPortletClassGroup( parent );
    }

    protected String[] getValidationPropertyNames()
    {
        List<String> validationPropertyNames = new ArrayList<String>();

        if( this.fragment )
        {
            return new String[] { IArtifactEditOperationDataModelProperties.COMPONENT_NAME,
                INewJavaClassDataModelProperties.JAVA_PACKAGE, JSF_PORTLET_CLASS };
        }
        else
        {
            validationPropertyNames.add( IArtifactEditOperationDataModelProperties.PROJECT_NAME );
            validationPropertyNames.add( INewJavaClassDataModelProperties.SOURCE_FOLDER );
            validationPropertyNames.add( JSF_PORTLET_CLASS );
        }

        return validationPropertyNames.toArray( new String[0] );
    }

    protected void handlePortletClassButtonSelected( Control control )
    {
        handleClassButtonSelected(
            control, "javax.portlet.GenericPortlet", Msgs.portletClassSelection, Msgs.choosePortletClass ); //$NON-NLS-1$
    }

    @Override
    protected boolean isProjectValid( IProject project )
    {
        boolean projectValid = super.isProjectValid( project );

        if( !projectValid )
        {
            return false;
        }

        return JSFPortletUtil.isJSFProject( project );
    }

    @Override
    protected void setFocusOnClassText()
    {
        // dont set focus nothing really needs to be done on this page
    }

    private static class Msgs extends NLS
    {
        public static String choosePortletClass;
        public static String portletClass;
        public static String portletClassSelection;

        static
        {
            initializeMessages( NewJSFPortletClassWizardPage.class.getName(), Msgs.class );
        }
    }
}