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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.netbeans.modules.javafx2.samples;

import java.awt.Component;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

import javax.swing.JComponent;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import org.openide.WizardDescriptor;
import org.openide.util.HelpCtx;

/**
 * Panel just asking for basic info.
 * @author Jesse Glick
 */
final class PanelConfigureProject implements WizardDescriptor.Panel, WizardDescriptor.FinishablePanel {

    private final String title;
    private WizardDescriptor wizardDescriptor;
    private PanelConfigureProjectVisual component;
    private final Set listeners = new HashSet(1);
    
    /** Create the wizard panel descriptor. */
    public PanelConfigureProject(String title) {
        this.title = title;
    }

    @Override
    public boolean isFinishPanel() {
        return true;
    }

    @Override
    public Component getComponent() {
        if (component == null) {
            component = new PanelConfigureProjectVisual(this, title);
        }
        return component;
    }

    @Override
    public HelpCtx getHelp() {
        return HelpCtx.DEFAULT_HELP;
    }

    @Override
    public boolean isValid() {
        getComponent();
        return component.valid(wizardDescriptor);
    }

    @Override
    public final void addChangeListener(ChangeListener l) {
        synchronized (listeners) {
            listeners.add(l);
        }
    }

    @Override
    public final void removeChangeListener(ChangeListener l) {
        synchronized (listeners) {
            listeners.remove(l);
        }
    }

    protected final void fireChangeEvent() {
        Iterator it;
        synchronized (listeners) {
            it = new HashSet(listeners).iterator();
        }
        ChangeEvent ev = new ChangeEvent(this);
        while (it.hasNext()) {
            ((ChangeListener) it.next()).stateChanged(ev);
        }
    }

    @Override
    public void readSettings(Object settings) {
        wizardDescriptor = (WizardDescriptor) settings;
        component.read(wizardDescriptor);

        // XXX hack, TemplateWizard in final setTemplateImpl() forces new wizard's title
        // this name is used in NewProjectWizard to modify the title
        Object substitute = ((JComponent) component).getClientProperty("NewProjectWizard_Title"); // NOI18N
        if (substitute != null) {
            wizardDescriptor.putProperty("NewProjectWizard_Title", substitute); // NOI18N
        }
    }

    @Override
    public void storeSettings(Object settings) {
        WizardDescriptor d = (WizardDescriptor) settings;
        component.store(d);
        d.putProperty("NewProjectWizard_Title", null); // NOI18N
    }
    
}