org.eclipse.edt.ide.internal.testserver.UpdateErrorDialog.java Source code

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Here is the source code for org.eclipse.edt.ide.internal.testserver.UpdateErrorDialog.java

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/*******************************************************************************
 * Copyright  2011, 2013 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.edt.ide.internal.testserver;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.debug.core.DebugException;
import org.eclipse.edt.ide.testserver.ITestServerPreferenceConstants;
import org.eclipse.edt.ide.testserver.TestServerConfiguration;
import org.eclipse.edt.ide.testserver.TestServerMessages;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
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.Link;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.PreferencesUtil;

/**
 * Dialog to notify the user about a problem with hot code replace or classpath change on a test server. A button is provided for terminating the server(s).
 */
public class UpdateErrorDialog extends ErrorDialog {

    protected static final int BUTTON_ID_TERMINATE_SERVER = IDialogConstants.OK_ID + IDialogConstants.DETAILS_ID
            + 1;

    private final IPreferenceStore prefStore;
    private final String prefKey;
    private final TestServerConfiguration[] configs;

    private Button checkbox;

    /**
     * Constructor for when a single server is in error.
     */
    public UpdateErrorDialog(Shell parentShell, String dialogTitle, String message, IStatus status,
            IPreferenceStore prefStore, String prefKey, TestServerConfiguration config) {
        this(parentShell, dialogTitle, message, status, prefStore, prefKey,
                new TestServerConfiguration[] { config });
    }

    /**
     * Constructor for when multiple servers are in error.
     */
    public UpdateErrorDialog(Shell parentShell, String dialogTitle, String message, IStatus status,
            IPreferenceStore prefStore, String prefKey, TestServerConfiguration[] configs) {
        super(parentShell, dialogTitle, message, status, IStatus.WARNING | IStatus.ERROR | IStatus.INFO);
        this.prefStore = prefStore;
        this.prefKey = prefKey;
        this.configs = configs;
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);

        if (prefStore != null && prefKey != null) {
            checkbox = new Button(composite, SWT.CHECK | SWT.LEFT);
            checkbox.setText(TestServerMessages.ErrorDialogRememberDecision);
            checkbox.setFont(parent.getFont());

            GridData data = new GridData(SWT.NONE);
            data.horizontalSpan = 2;
            data.horizontalAlignment = GridData.BEGINNING;
            data.verticalIndent = 10;
            checkbox.setLayoutData(data);

            Link link = new Link(composite, SWT.WRAP);
            link.setText(TestServerMessages.ErrorDialogChangeLater);
            link.addSelectionListener(new SelectionAdapter() {
                public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
                    PreferencesUtil.createPreferenceDialogOn(null,
                            "org.eclipse.edt.ide.testserver.testServerPreferences", null, null).open(); //$NON-NLS-1$
                };

                public void widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent e) {
                    widgetSelected(e);
                };
            });
            link.setFont(parent.getFont());

            data = new GridData(SWT.NONE);
            data.horizontalSpan = 2;
            data.horizontalAlignment = GridData.BEGINNING;
            link.setLayoutData(data);
        }

        return composite;
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createDetailsButton(parent);
        createButton(parent, BUTTON_ID_TERMINATE_SERVER,
                configs.length > 1 ? TestServerMessages.ErrorDialogTerminatePluralButton
                        : TestServerMessages.ErrorDialogTerminateButton,
                false);
        createButton(parent, IDialogConstants.OK_ID, TestServerMessages.ErrorDialogContinueButton, false);

        Button details = getButton(IDialogConstants.DETAILS_ID);
        if (details != null) {
            details.setFocus();
        }
    }

    protected void storePreference(int button) {
        // Store preference if checked
        boolean checked = checkbox != null && checkbox.getSelection();
        if (checked) {
            prefStore.setValue(prefKey,
                    button == BUTTON_ID_TERMINATE_SERVER ? ITestServerPreferenceConstants.TESTSERVER_TERMINATE
                            : ITestServerPreferenceConstants.TESTSERVER_IGNORE);
        }
    }

    @Override
    protected void buttonPressed(final int id) {
        if (id == BUTTON_ID_TERMINATE_SERVER) {
            for (TestServerConfiguration config : configs) {
                try {
                    config.terminate();
                } catch (DebugException e) {
                    ErrorDialog.openError(getShell(), TestServerMessages.TerminateFailedTitle,
                            NLS.bind(TestServerMessages.TerminateFailedMsg, config.getProject().getName()),
                            e.getStatus());
                }
            }

            storePreference(id);
            okPressed();
        } else {
            if (id == IDialogConstants.OK_ID) {
                storePreference(id);
            }
            super.buttonPressed(id);
        }
    }
}