org.eclipse.wst.server.http.ui.internal.HttpServerComposite.java Source code

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Here is the source code for org.eclipse.wst.server.http.ui.internal.HttpServerComposite.java

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/*******************************************************************************
 * Copyright (c) 2007, 2008 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.wst.server.http.ui.internal;

import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IMessageProvider;
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.graphics.Font;
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.Label;
import org.eclipse.swt.widgets.Spinner;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.server.core.IServerWorkingCopy;
import org.eclipse.wst.server.http.core.internal.HttpServer;
import org.eclipse.wst.server.ui.wizard.IWizardHandle;

/**
 * Wizard page to set the server properties.
 */
public class HttpServerComposite extends Composite {
    protected IServerWorkingCopy serverWC;
    protected HttpServer server;
    protected Text prefix;
    protected Spinner port;
    protected Button publishCheckBox;
    protected IWizardHandle wizard;

    /**
     * HttpServerComposite
     * 
     * @param parent the parent composite
     * @param wizard the wizard handle
     */
    public HttpServerComposite(Composite parent, IWizardHandle wizard) {
        super(parent, SWT.NONE);
        this.wizard = wizard;
        wizard.setTitle(Messages.wizardTitle);
        wizard.setDescription(Messages.wizardDescription);
        wizard.setImageDescriptor(HttpUIPlugin.getImageDescriptor(HttpUIPlugin.IMG_WIZ_SERVER));

        createControl();
    }

    protected void setServer(IServerWorkingCopy newServer) {
        if (newServer == null) {
            serverWC = null;
            server = null;
        } else {
            serverWC = newServer;
            server = (HttpServer) newServer.loadAdapter(HttpServer.class, null);
        }

        if (!isDisposed())
            init();
        validate();
    }

    /**
     * Provide a wizard page to change the Apache installation directory.
     */
    protected void createControl() {
        GridLayout layout = new GridLayout();
        setLayout(layout);
        setLayoutData(new GridData(GridData.FILL_BOTH));

        Composite comp = new Composite(this, SWT.NONE);
        layout = new GridLayout();
        layout.numColumns = 2;
        comp.setLayout(layout);
        comp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        PlatformUI.getWorkbench().getHelpSystem().setHelp(this, ContextIds.RUNTIME_COMPOSITE);

        createServerInfoGroup(comp);

        Font font = comp.getFont();
        publishCheckBox = new Button(comp, SWT.CHECK);
        publishCheckBox.setText(Messages.shouldPublish);
        publishCheckBox.setFont(font);
        GridData data = new GridData(GridData.FILL_HORIZONTAL);
        data.horizontalSpan = 2;
        publishCheckBox.setLayoutData(data);

        publishCheckBox.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent se) {
                Button b = (Button) se.getSource();
                server.setPublishing(b.getSelection());
                validate();
            }
        });

        init();
        validate();

        Dialog.applyDialogFont(this);

        port.forceFocus();
    }

    protected void init() {
        if (port == null || serverWC == null || server == null)
            return;

        port.setSelection(server.getPort());
        prefix.setText(server.getURLPrefix());

        boolean canPublish = server.isPublishing();
        publishCheckBox.setSelection(canPublish);
    }

    protected void validate() {
        wizard.setMessage(null, IMessageProvider.NONE);

        if (server != null && server.isPublishing()) {
            IPath path = serverWC.getRuntime().getLocation();
            if (path == null || !path.toFile().exists())
                wizard.setMessage(Messages.wizardMissingPublishInfo, IMessageProvider.ERROR);
        }

        wizard.update();
    }

    protected boolean isComplete() {
        return wizard.getMessageType() != IMessageProvider.ERROR;
    }

    private void createServerInfoGroup(Composite parent) {
        Font font = parent.getFont();

        // port label
        Label portLabel = new Label(parent, SWT.NONE);
        portLabel.setFont(font);
        portLabel.setText(Messages.port);

        // port entry field
        port = new Spinner(parent, SWT.BORDER);
        port.setMinimum(0);
        port.setMaximum(999999);
        GridData data = new GridData(GridData.FILL_HORIZONTAL);
        data.widthHint = 305;
        port.setLayoutData(data);
        port.setFont(font);
        port.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                if (server != null)
                    try {
                        server.setPort(port.getSelection());
                    } catch (Exception ex) {
                        // ignore
                    }
                validate();
            }
        });

        // prefix label
        Label prefixLabel = new Label(parent, SWT.NONE);
        prefixLabel.setFont(font);
        prefixLabel.setText(Messages.URLPrefix);

        // prefix entry field
        prefix = new Text(parent, SWT.BORDER);
        data = new GridData(GridData.FILL_HORIZONTAL);
        data.widthHint = 305;
        prefix.setLayoutData(data);
        prefix.setFont(font);
        prefix.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                server.setURLPrefix(prefix.getText());
                validate();
            }
        });
    }
}