org.fusesource.ide.server.karaf.ui.runtime.RTIComposite.java Source code

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Here is the source code for org.fusesource.ide.server.karaf.ui.runtime.RTIComposite.java

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/*******************************************************************************
 * Create a composite to handle the user-specification of a JBoss Fuse Runtime 
 * installation directory.
 * 
 * Copyright (c) 2014 Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is 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:
 *     Red Hat, Inc. - initial API and implementation
 ******************************************************************************/

package org.fusesource.ide.server.karaf.ui.runtime;

import java.io.File;

import org.eclipse.jface.dialogs.IMessageProvider;
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.DirectoryDialog;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.wst.server.core.TaskModel;
import org.eclipse.wst.server.ui.wizard.IWizardHandle;
import org.fusesource.ide.server.karaf.ui.Messages;

public class RTIComposite extends Composite implements Listener {
    protected TaskModel taskModel;
    protected IWizardHandle wizardHandle;
    protected Text fuseRTLoc;
    Button browseButton;
    Boolean valid = false;

    public RTIComposite(Composite parent, TaskModel taskModel, IWizardHandle wizard) {
        super(parent, SWT.NONE);
        this.taskModel = taskModel;
        this.wizardHandle = wizard;
        this.taskModel = taskModel;

        createControl();
    }

    @Override
    public void handleEvent(Event event) {
        if (event.widget == fuseRTLoc && validate()) {
            taskModel.putObject(RTITargetFolderWizardFragment.FUSE_RT_LOC, fuseRTLoc.getText());
        }
    }

    public boolean validate() {
        valid = false;
        String dirLocation = fuseRTLoc.getText().trim();

        if (dirLocation != null && !dirLocation.isEmpty()) {
            File file = new File(dirLocation);

            if (!file.exists())
                wizardHandle.setMessage(Messages.AbstractKarafRuntimeComposite_no_dir, IMessageProvider.ERROR);
            else if (!file.isDirectory())
                wizardHandle.setMessage(Messages.AbstractKarafRuntimeComposite_not_a_dir, IMessageProvider.ERROR);
            else {
                valid = true;
                wizardHandle.setMessage("", IMessageProvider.NONE); //$NON-NLS-1$
            }
        } else {
            wizardHandle.setMessage(Messages.AbstractKarafRuntimeComposite_wizard_help_msg, IMessageProvider.NONE); //$NON-NLS-1$
        }
        return valid;
    }

    public boolean isComplete() {
        return this.valid;
    }

    public void createControl() {
        GridLayout layout = new GridLayout();
        layout.marginHeight = 5;
        layout.marginWidth = 10;
        layout.numColumns = 3;
        setLayout(layout);

        Label l = new Label(this, SWT.WRAP);
        l.setText("Target Folder:");

        fuseRTLoc = new Text(this, SWT.SINGLE | SWT.BORDER);
        fuseRTLoc.addListener(SWT.Modify, this);

        GridData fuseRTLocGridData = new GridData();
        fuseRTLocGridData.grabExcessHorizontalSpace = true;
        fuseRTLocGridData.horizontalAlignment = SWT.FILL;
        fuseRTLoc.setLayoutData(fuseRTLocGridData);

        browseButton = new Button(this, SWT.PUSH);
        browseButton.setText(Messages.AbstractKarafRuntimeComposite_browse_text);
        browseButton.addSelectionListener(new SelectionListener() {

            @Override
            public void widgetDefaultSelected(SelectionEvent e) {
            }

            @Override
            public void widgetSelected(SelectionEvent e) {
                DirectoryDialog dlg = new DirectoryDialog(browseButton.getShell(), SWT.OPEN);
                dlg.setFilterPath(fuseRTLoc.getText());
                String path = dlg.open();

                if (path == null)
                    return;

                fuseRTLoc.setText(path);
            }
        });
    }
}