org.netbeans.modules.javaee.beanvalidation.ConstraintPanel Maven / Gradle / Ivy

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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.javaee.beanvalidation;

import java.awt.Component;
import java.lang.reflect.Method;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.openide.WizardDescriptor;
import org.openide.WizardDescriptor.Panel;
import org.openide.loaders.TemplateWizard;
import org.openide.util.HelpCtx;

/**
 *
 * @author alexeybutenko
 */
public class ConstraintPanel implements WizardDescriptor.Panel, WizardDescriptor.FinishablePanel, ChangeListener{

    private ConstraintPanelVisual component;
    private TemplateWizard wizard;

    public ConstraintPanel(TemplateWizard wizard) {
        this.wizard = wizard;
    }


    @Override
    public Component getComponent() {
        if (component == null) {
            component = new ConstraintPanelVisual(wizard);
        }
        return component;
    }

    @Override
    public HelpCtx getHelp() {
        return new HelpCtx(ConstraintPanel.class);
    }

    @Override
    public void readSettings(WizardDescriptor settings) {
        wizard = (TemplateWizard) settings;
    }

    @Override
    public void storeSettings(WizardDescriptor d) {
        component.store((TemplateWizard)d);
    }

    @Override
    public boolean isValid() {
        return component.validateTemplate(wizard);
    }

    @Override
    public void addChangeListener(ChangeListener l) {
        getComponent();
        component.addChangeListener(l);
    }

    @Override
    public void removeChangeListener(ChangeListener l) {
        getComponent();
        component.removeChangeListener(l);
    }


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

    private String oldTargetName;

    @Override
    public void stateChanged(ChangeEvent e) {
        WizardDescriptor.Panel panel = (Panel) e.getSource();
        String targetName = null;
        Component gui = panel.getComponent();
        try {
            // XXX JavaTargetChooserPanel should introduce new API to get current contents
            // of its component JavaTargetChooserPanelGUI (see Issue#154655)
            Method getTargetName = gui.getClass().getMethod("getTargetName", (Class[]) null); // NOI18N
            targetName = (String) getTargetName.invoke(gui, (Object[]) null);
        } catch (Exception ex) {
            return;
        }

        if ((targetName == null) || targetName.trim().equals("") || targetName.trim().equals(oldTargetName)) {
            return;
        }
        oldTargetName = targetName;
        ((ConstraintPanelVisual)getComponent()).updateValidatorClassName(targetName);
    }

}