JMSListenerDestinationDialog.java

/*******************************************************************************
 * Copyright (c) 2009, 2010 Progress Software Corporation.
 * 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
 ******************************************************************************/
// Copyright (c) 2009 Progress Software Corporation.  
package org.fusesource.tools.messaging.jms.ui;

import java.util.Map;

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.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.fusesource.tools.messaging.MessagingException;
import org.fusesource.tools.messaging.core.IConnection;
import org.fusesource.tools.messaging.jms.JMSConstants;
import org.fusesource.tools.messaging.jms.JMSDestination;
import org.fusesource.tools.messaging.ui.DestinationUtil;
import org.fusesource.tools.messaging.ui.dialogs.ListenerDestinationDialog;

public class JMSListenerDestinationDialog extends ListenerDestinationDialog {
    private Button checkButton;
    private Text messageSelectorTxt;
    private Text subscriptionName;
    boolean isUICreated;

    public JMSListenerDestinationDialog() {
        super();
    }

    @Override
    protected String getMessage() {
        return "Enter destination details to create a JMS Listener";
    }

    @Override
    protected String getTitle() {
        return "Add JMS Listener";
    }

    @Override
    protected String getDialogTitle() {
        return "Add JMS Listener";
    }

    @Override
    protected boolean hasAdvanceSection() {
        return true;
    }

    @Override
    protected void createAdvancedUI(Composite composite) {
        populateProperties();
        createPropertiesSection(composite);
        isUICreated = true;
        validate();
    }

    @Override
    protected void validate() {
        super.validate();
        if (!isUICreated) {
            return;
        }
        String destType = destTypesCombo.getItem(destTypesCombo.getSelectionIndex());
        if (JMSConstants.TOPIC_TYPE.equals(destType)) {
            checkButton.setEnabled(true);
            subscriptionName.setEnabled(checkButton.getSelection());
        } else {
            checkButton.setEnabled(false);
            subscriptionName.setEnabled(checkButton.isEnabled() && checkButton.getSelection());
        }
    }

    @Override
    protected void okPressed() {
        updateData();
        super.okPressed();
    }

    @Override
    protected void updateData() {
        if (isUICreated) {
            if (checkButton.getSelection()) {
                listenerProperties.put(JMSConstants.DURABLE_SUBSCRIPTION_NAME, subscriptionName.getText().trim());
            }
            listenerProperties.put(JMSConstants.JMS_MESSAGE_SELECTOR, messageSelectorTxt.getText().trim());
        }
        super.updateData();
        if (getCreatedDestination() != null) {
            ((JMSDestination) getCreatedDestination()).setDestinationName(getDestName());
            ((JMSDestination) getCreatedDestination()).setDestinationType(getDestinationType());
        }
    }

    private void populateProperties() {
        // TODO - Creation of destination should not be here
        if (createdDestination == null) {
            try {
                IConnection connection = DestinationUtil.getConnection(getProvider());
                if (connection != null) {
                    createdDestination = connection.createDestination(getDestinationType(), getDestName());
                }
            } catch (MessagingException e) {
                e.printStackTrace();
            }
        }
        if (createdDestination != null) {
            Map<String, Object> propsFromDest = createdDestination.getListenerProperties();
            if (propsFromDest != null && !propsFromDest.isEmpty()) {
                // TODO Not making use of this at present - show this in table
                listenerProperties.putAll(propsFromDest);
            }
        }
    }

    private void createPropertiesSection(Composite composite) {
        GridLayout gridLayout = new GridLayout();
        gridLayout.numColumns = 1;
        composite.setLayout(gridLayout);

        GridData data = new GridData();
        data.grabExcessHorizontalSpace = true;
        data.horizontalAlignment = SWT.FILL;
        Group listenerPropsGroup = new Group(composite, SWT.NONE);
        listenerPropsGroup.setText("Listener Properties");
        listenerPropsGroup.setLayout(new GridLayout(2, false));
        listenerPropsGroup.setLayoutData(data);
        createDurablePropertyUI(listenerPropsGroup);
        createMsgSelectorPropertyUI(listenerPropsGroup);
    }

    private void createMsgSelectorPropertyUI(Group listenerPropsGroup) {
        Label label = new Label(listenerPropsGroup, SWT.NONE);
        label.setText("Message Selector: ");
        GridData data = new GridData();
        data.grabExcessHorizontalSpace = true;
        data.horizontalAlignment = SWT.FILL;
        messageSelectorTxt = new Text(listenerPropsGroup, SWT.BORDER);
        messageSelectorTxt.setLayoutData(data);
    }

    private void createDurablePropertyUI(Group listenerPropsGroup) {
        Label durableSub = new Label(listenerPropsGroup, SWT.NONE);
        durableSub.setText("Durable Subscriber:");
        Composite durableComp = new Composite(listenerPropsGroup, SWT.NONE);
        durableComp.setLayout(new GridLayout(4, false));
        GridData data = new GridData();
        data.grabExcessHorizontalSpace = true;
        data.horizontalAlignment = SWT.FILL;
        durableComp.setLayoutData(data);
        checkButton = new Button(durableComp, SWT.CHECK);
        Label durable = new Label(durableComp, SWT.NONE);
        durable.setText("Durable");
        Label subLabel = new Label(durableComp, SWT.NONE);
        data = new GridData(SWT.CENTER);
        subLabel.setLayoutData(data);
        subLabel.setText("Subscription Name:");
        subscriptionName = new Text(durableComp, SWT.BORDER);
        subscriptionName.setEnabled(false);
        data = new GridData();
        data.grabExcessHorizontalSpace = true;
        data.horizontalAlignment = SWT.FILL;
        subscriptionName.setLayoutData(data);
        checkButton.addSelectionListener(new SelectionListener() {
            public void widgetDefaultSelected(SelectionEvent e) {
            }

            public void widgetSelected(SelectionEvent e) {
                subscriptionName.setEnabled(checkButton.getSelection());
            }

        });
    }
}