com.siteview.mde.internal.ui.wizards.exports.JNLPTab.java Source code

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Here is the source code for com.siteview.mde.internal.ui.wizards.exports.JNLPTab.java

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/*******************************************************************************
 *  Copyright (c) 2005, 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 com.siteview.mde.internal.ui.wizards.exports;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogSettings;
import com.siteview.mde.internal.ui.MDEUIMessages;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;

public class JNLPTab {

    private static final String S_JNLP = "jnlp"; //$NON-NLS-1$
    private static final String S_URL = "siteURL"; //$NON-NLS-1$
    private static final String S_JRE = "jre"; //$NON-NLS-1$

    private Label fURLLabel;
    private Text fURLText;
    private Label fVersionLabel;
    private Text fVersionText;
    private Button fButton;

    private BaseExportWizardPage fPage;

    public JNLPTab(BaseExportWizardPage page) {
        fPage = page;
    }

    public Control createControl(Composite parent) {
        Composite jnlpGroup = new Composite(parent, SWT.NONE);
        jnlpGroup.setLayout(new GridLayout(2, false));
        jnlpGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        fButton = new Button(jnlpGroup, SWT.CHECK);
        fButton.setText(MDEUIMessages.AdvancedFeatureExportPage_createJNLP);
        GridData gd = new GridData();
        gd.horizontalSpan = 2;
        fButton.setLayoutData(gd);
        fButton.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateGroup(fButton.getSelection());
                fPage.pageChanged();
            }
        });

        fURLLabel = createLabel(jnlpGroup, MDEUIMessages.AdvancedFeatureExportPage_siteURL);
        fURLText = createText(jnlpGroup);

        fVersionLabel = createLabel(jnlpGroup, MDEUIMessages.AdvancedFeatureExportPage_jreVersion);
        fVersionText = createText(jnlpGroup);

        Dialog.applyDialogFont(jnlpGroup);
        return jnlpGroup;
    }

    protected Label createLabel(Composite parent, String text) {
        Label label = new Label(parent, SWT.NONE);
        label.setText(text);
        GridData gd = new GridData();
        gd.horizontalIndent = 15;
        label.setLayoutData(gd);
        return label;
    }

    protected Text createText(Composite parent) {
        Text text = new Text(parent, SWT.SINGLE | SWT.BORDER);
        text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        text.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                fPage.pageChanged();
            }
        });
        return text;
    }

    protected void initialize(IDialogSettings settings) {
        fURLText.setText(getString(settings, S_URL));
        fVersionText.setText(getString(settings, S_JRE));
        fButton.setSelection(settings.getBoolean(S_JNLP));
        updateGroup(fButton.getSelection());
    }

    private String getString(IDialogSettings settings, String key) {
        String value = settings.get(key);
        return value == null ? "" : value; //$NON-NLS-1$
    }

    private void updateGroup(boolean enabled) {
        fURLLabel.setEnabled(enabled);
        fURLText.setEnabled(enabled);
        fVersionLabel.setEnabled(enabled);
        fVersionText.setEnabled(enabled);
    }

    protected String validate() {
        String error = null;
        if (fButton.getSelection()) {
            if (fURLText.getText().trim().length() == 0) {
                error = MDEUIMessages.AdvancedFeatureExportPage_noSite;
            } else if (fVersionText.getText().trim().length() == 0) {
                error = MDEUIMessages.AdvancedFeatureExportPage_noVersion;
            }
        }
        return error;
    }

    protected void saveSettings(IDialogSettings settings) {
        settings.put(S_JNLP, fButton.getSelection());
        settings.put(S_URL, fURLText.getText());
        settings.put(S_JRE, fVersionText.getText());
    }

    protected String[] getJNLPInfo() {
        if (fButton.getSelection()) {
            return new String[] { fURLText.getText().trim(), fVersionText.getText().trim() };
        }
        return null;
    }
}