/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.update.internal.ui.security;
import org.eclipse.jface.dialogs.*;
import org.eclipse.jface.resource.*;
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.update.core.*;
import org.eclipse.update.internal.ui.*;

/**
 * 
 */
public class JarVerificationDialog extends TitleAreaDialog {
    public final static int INSTALL_ALL = CANCEL + OK + 1;
    private IVerificationResult _VerificationResult = null;
    private IDialogPage _DialogPage;
    private Composite pageContainer;
    private Image defaultImage = null;
    private ImageDescriptor defaultImageDescriptor =
        UpdateUIImages.DESC_UPDATE_WIZ;
    
    /**
     * Constructor for JarVerificationDialog.
     * @param parentShell
     */
    public JarVerificationDialog(Shell parentShell,IDialogPage dialogPage, IVerificationResult verificationResult) {
        super(parentShell);
        setShellStyle(SWT.TITLE | SWT.BORDER | SWT.APPLICATION_MODAL | SWT.RESIZE);     
        _VerificationResult = verificationResult;
        _DialogPage = dialogPage;
        if (dialogPage instanceof JarVerificationPage){
            ((JarVerificationPage)_DialogPage).setTitleAreaDialog(this);
        }
    }

    /**
     * Add buttons to the dialog's button bar.
     */
    protected void createButtonsForButtonBar(Composite parent) {
        if (_VerificationResult.getVerificationCode()
            != IVerificationResult.TYPE_ENTRY_CORRUPTED) {

            if (_VerificationResult.isFeatureVerification()) {
                createButton(
                    parent,
                    IDialogConstants.OK_ID,
                    UpdateUIMessages.JarVerificationDialog_Install, 
                    false);
            } else {
                createButton(
                    parent,
                    IDialogConstants.OK_ID,
                    UpdateUIMessages.JarVerificationDialog_Continue, 
                    false);             
            }
            // Radio button: Install all without prompting
            //----------------------------------
            createButton(
                parent,
                IDialogConstants.YES_TO_ALL_ID,
                UpdateUIMessages.JarVerificationDialog_InstallAll, 
                false);     
            
            // Radio button: Cancel installation
            //----------------------------------
            createButton(
                parent,
                IDialogConstants.CANCEL_ID,
                UpdateUIMessages.JarVerificationDialog_Cancel, 
                true);                          
        } else {
            createButton(
                parent,
                IDialogConstants.CANCEL_ID,
                UpdateUIMessages.JarVerificationDialog_Cancel, 
                true);
        }
        getButton(IDialogConstants.CANCEL_ID).setFocus();
    }
    
    /* (non-Javadoc)
     * Method declared on Dialog.
     */
    protected Control createDialogArea(Composite parent) {
        Composite compositeParent = (Composite)super.createDialogArea(parent);
        setTitleImage(this.getImage());
        setTitle(UpdateUIMessages.JarVerificationDialog_Title); 
        
        _DialogPage.createControl(compositeParent);
        pageContainer=(Composite)_DialogPage.getControl();
        GridData gd = new GridData(GridData.FILL_BOTH);
        pageContainer.setLayoutData(gd);
        pageContainer.setFont(parent.getFont());        
        
        // Build the separator line
        Label separator= new Label(compositeParent, SWT.HORIZONTAL | SWT.SEPARATOR);
        separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        
        return compositeParent;
    }
    
        /**
     * @see IDialogPage#getImage()
     */
    public Image getImage() {
        if (defaultImage == null)
            defaultImage = defaultImageDescriptor.createImage();

        return defaultImage;
    }

    public boolean close() {
        // dispose of image
        if (defaultImage != null) {
            defaultImage.dispose();
            defaultImage = null;
        }
        return super.close();       
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
     */
    protected void buttonPressed(int buttonId) {
        if (IDialogConstants.YES_TO_ALL_ID == buttonId)
            installAllPressed();
        else
            super.buttonPressed(buttonId);
    }
    
    private void installAllPressed() {
        setReturnCode(JarVerificationDialog.INSTALL_ALL);
        close();
    }
}