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path: root/src/plugins/certmanager/src/com/motorolamobility/studio/android/certmanager/ui/wizards/SelectExistentKeystorePage.java
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/*
 * 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.certmanager.ui.wizards;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
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.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;

import com.motorolamobility.studio.android.certmanager.CertificateManagerActivator;
import com.motorolamobility.studio.android.certmanager.i18n.CertificateManagerNLS;

/**
 * Enables selection of a keystore (similar to {@link ImportKeystorePage} functionality.
 * It adds a checkbox button that enables user to add the imported keystore into Signing and Keys view.
 */
public class SelectExistentKeystorePage extends ImportKeystorePage
{
    private static final int SMALL_TEXT_SIZE = 64;

    public static final String SELECT_KEYSTORE_HELP_ID = CertificateManagerActivator.PLUGIN_ID
            + ".select_keystore"; //$NON-NLS-1$

    private Button alsoImportIntoView = null;

    private boolean importIntoView = true;

    private Label keystorePasswordLabel;

    private Text keystorePassword;

    private Button savePasswordCheckBox;

    private boolean canSavePassword = false;

    private String password = null;

    private SelectionListener selectionListener = new SelectionAdapter()
    {

        @Override
        public void widgetSelected(SelectionEvent e)
        {
            validatePage();
        }
    };

    protected SelectExistentKeystorePage(String pageName)
    {
        super(pageName);
    }

    @Override
    public void createControl(Composite parent)
    {
        super.createControl(parent);
        setTitle(CertificateManagerNLS.SelectExistentKeystorePage_WizardPageTitle);
        setMessage(CertificateManagerNLS.SelectExistentKeystorePage_WizardPageMessage);

        //KEYSTORE PASSWORD SECTION
        keystorePasswordLabel = new Label(getMainComposite(), SWT.NONE);
        keystorePasswordLabel
                .setText(CertificateManagerNLS.SelectExistentKeystorePage_KeystorePasswordLabel); //$NON-NLS-2$

        keystorePassword = new Text(getMainComposite(), SWT.SINGLE | SWT.BORDER | SWT.PASSWORD);
        keystorePassword.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
        keystorePassword.setTextLimit(SMALL_TEXT_SIZE);
        keystorePassword.addSelectionListener(selectionListener);
        keystorePassword.addModifyListener(new ModifyListener()
        {

            @Override
            public void modifyText(ModifyEvent e)
            {
                password = keystorePassword.getText();
                validatePage();
            }
        });

        //Creates the save password checkbox
        savePasswordCheckBox = new Button(getMainComposite(), SWT.CHECK);
        savePasswordCheckBox.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 3, 1));
        savePasswordCheckBox.setText(CertificateManagerNLS.PasswordProvider_SaveThisPassword);
        savePasswordCheckBox.setSelection(false);
        savePasswordCheckBox.setVisible(importIntoView);
        savePasswordCheckBox.addSelectionListener(new SelectionAdapter()
        {
            @Override
            public void widgetSelected(SelectionEvent e)
            {
                //update according to check status
                canSavePassword = savePasswordCheckBox.getSelection();
            }

        });

        alsoImportIntoView = new Button(getMainComposite(), SWT.CHECK);
        alsoImportIntoView.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 3, 1));
        alsoImportIntoView
                .setText(CertificateManagerNLS.SelectExistentKeystorePage_CheckboxText_AlsoImportIntoSigningView);
        alsoImportIntoView.setSelection(importIntoView);
        alsoImportIntoView.addSelectionListener(new SelectionAdapter()
        {
            @Override
            public void widgetSelected(SelectionEvent e)
            {
                //update according to check status
                importIntoView = alsoImportIntoView.getSelection();
                savePasswordCheckBox.setEnabled(importIntoView);
                canSavePassword = importIntoView && savePasswordCheckBox.getSelection();
            }

        });

        //set help id for this page
        PlatformUI.getWorkbench().getHelpSystem()
                .setHelp(getMainComposite(), SELECT_KEYSTORE_HELP_ID);
    }

    /**
     * @return the importIntoView
     */
    public boolean needToImportIntoView()
    {
        return importIntoView;
    }

    /**
     * @return the password
     */
    protected String getPassword()
    {
        return password;
    }

    @Override
    protected boolean validatePage()
    {
        boolean pageComplete = super.validatePage();

        String infoMessage = CertificateManagerNLS.SelectExistentKeystorePage_WizardPageMessage;
        String errorMessage = null;

        if (pageComplete)
        {
            if (!keystoreAlreadyMapped)
            {
                if (keystorePassword.getText().isEmpty())
                {
                    pageComplete = false;
                    errorMessage = CertificateManagerNLS.CertificateBlock_EnterPassword_InfoMessage;
                }
                setMessage(infoMessage);
                setErrorMessage(errorMessage);
                setPageComplete(pageComplete);
            }
        }

        return pageComplete;
    }

    /**
     * @return the canSavePassword
     */
    protected boolean canSavePassword()
    {
        return canSavePassword;
    }

    /* (non-Javadoc)
     * @see com.motorolamobility.studio.android.certmanager.ui.wizards.ImportKeystorePage#importKeystore()
     */
    @Override
    public boolean importKeystore()
    {
        return importKeystore(getPassword(), canSavePassword());
    }
}