org.eclipse.php.ui.util.LinkMessageDialog.java Source code

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Here is the source code for org.eclipse.php.ui.util.LinkMessageDialog.java

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/*******************************************************************************
 * Copyright (c) 2015 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:
 *     Zend Technologies
 *******************************************************************************/
package org.eclipse.php.ui.util;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.*;

/**
 * Abstract implementation of a message dialog that gives possibility to provide
 * message text with support for links.
 * 
 * @author Bartlomiej Laczkowski
 */
public abstract class LinkMessageDialog extends MessageDialog {

    private String dialogMessage;

    /**
     * Creates new dialog.
     * 
     * @param parentShell
     * @param dialogTitle
     * @param dialogTitleImage
     * @param dialogMessage
     * @param dialogImageType
     * @param dialogButtonLabels
     * @param defaultIndex
     */
    public LinkMessageDialog(Shell parentShell, String dialogTitle, Image dialogTitleImage, String dialogMessage,
            int dialogImageType, String[] dialogButtonLabels, int defaultIndex) {
        super(parentShell, dialogTitle, dialogTitleImage, dialogMessage, dialogImageType, dialogButtonLabels,
                defaultIndex);
        this.dialogMessage = dialogMessage;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.jface.dialogs.IconAndMessageDialog#createMessageArea(org.
     * eclipse.swt.widgets.Composite)
     */
    protected Control createMessageArea(Composite composite) {
        // Create image
        Image image = getImage();
        if (image != null) {
            imageLabel = new Label(composite, SWT.NULL);
            image.setBackground(imageLabel.getBackground());
            imageLabel.setImage(image);
            imageLabel.setLayoutData(
                    new GridData(GridData.HORIZONTAL_ALIGN_CENTER | GridData.VERTICAL_ALIGN_BEGINNING));
        }
        // Create message with link
        if (message != null) {
            Link messageLabel = new Link(composite, getMessageLabelStyle());
            messageLabel.setFont(composite.getFont());
            messageLabel.setText(dialogMessage);
            messageLabel.addSelectionListener(new SelectionAdapter() {
                public void widgetSelected(SelectionEvent e) {
                    linkActivated();
                }
            });
            GridData data = new GridData(
                    GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
            data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
            messageLabel.setLayoutData(data);
        }
        return composite;
    }

    /**
     * Implementors should perform an appropriate action for activated link.
     */
    protected abstract void linkActivated();

}