in.cypal.studio.gwt.ui.wizards.GwtHomeConfirmationPage.java Source code

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Here is the source code for in.cypal.studio.gwt.ui.wizards.GwtHomeConfirmationPage.java

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/*
 * Copyright 2006 - 2008 Cypal Solutions (tools@cypal.in)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package in.cypal.studio.gwt.ui.wizards;

import in.cypal.studio.gwt.core.common.Preferences;
import in.cypal.studio.gwt.ui.common.Constants;
import in.cypal.studio.gwt.ui.common.Util;

import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Text;
import org.eclipse.ui.dialogs.PreferencesUtil;

/**
 * 
 * @author Prakash G.R.
 * 
 */
public class GwtHomeConfirmationPage extends WizardPage {

    public GwtHomeConfirmationPage() {
        super("GwtHomeConfirmationPage");
        setTitle("GWT Home");
        setDescription("Set the install location of GWT");
    }

    public void createControl(Composite parent) {

        Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(new GridLayout(3, false));

        Label locationLabel = new Label(composite, SWT.NONE);
        locationLabel.setText("Location:");

        final Text locationText = new Text(composite, SWT.BORDER);
        locationText.setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false));
        locationText.setText(Preferences.getString(Constants.GWT_HOME_PREFERENCE));
        locationText.setEditable(false);

        Button setButton = new Button(composite, SWT.PUSH);
        setButton.setText("Set...");
        setButton.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                PreferenceDialog dialog = PreferencesUtil.createPreferenceDialogOn(getContainer().getShell(),
                        "mainPreferencePage", null, null);
                dialog.open();
                locationText.setText(Preferences.getString(Constants.GWT_HOME_PREFERENCE));
                updateStatus();
            }
        });

        setControl(composite);

        if (!Util.isGwtHomeSet())
            setPageComplete(false);
    }

    protected void updateStatus() {

        if (Util.isGwtHomeSet()) {
            setMessage(null);
            setPageComplete(true);
        } else {
            setErrorMessage("The GWT Home is not valid");
            setPageComplete(false);
        }

    }

}