ide/projectui/src/org/netbeans/modules/project/ui/TemplateChooserPanel.java

/*
 * 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.project.ui;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.netbeans.api.annotations.common.NullAllowed;
import org.netbeans.api.project.Project;
import org.netbeans.modules.project.uiapi.ProjectChooserFactory;
import org.netbeans.spi.project.ui.templates.support.Templates;
import org.openide.NotifyDescriptor;
import org.openide.WizardDescriptor;
import org.openide.ErrorManager;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.loaders.DataObject;
import org.openide.loaders.DataObjectNotFoundException;
import org.openide.loaders.TemplateWizard;
import org.openide.util.ChangeSupport;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;

/**
 *
 * @author  Petr Hrebejk
 */
final class TemplateChooserPanel implements WizardDescriptor.Panel<WizardDescriptor>, ChangeListener {

    private final ChangeSupport changeSupport = new ChangeSupport(this);
    private TemplateChooserPanelGUI gui;

    @NullAllowed
    private Project project;
    // private String[] recommendedTypes;
    private WizardDescriptor wizard;
    private final boolean includeTemplatesWithProjects;

    TemplateChooserPanel( @NullAllowed Project p /*, String recommendedTypes[] */,boolean includeTemplatesWithProjects ) {
        this.project = p;
        this.includeTemplatesWithProjects = includeTemplatesWithProjects;
        /* this.recommendedTypes = recommendedTypes; */
    }

    @Override
    public Component getComponent() {
        if (gui == null) {
            gui = new TemplateChooserPanelGUI(includeTemplatesWithProjects);
            gui.addChangeListener(this);
            gui.setDefaultActionListener(new ActionListener() {

                @Override
                public void actionPerformed( ActionEvent e ) {
                    if( null != wizard ) {
                        wizard.doNextClick();
                    }
                }
            });
        }
        return gui;
    }

    @Override
    public HelpCtx getHelp() {
        // XXX
        return null;
    }

    @Override
    public boolean isValid() {
        return gui != null && gui.getTemplate() != null;
    }

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

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

    @Override
    public void readSettings(WizardDescriptor settings) {
        this.wizard = settings;
        TemplateChooserPanelGUI panel = (TemplateChooserPanelGUI) this.getComponent();
        final FileObject currentTemplate = Templates.getTemplate(settings);
        FileObject templates = FileUtil.getConfigFile("Templates");    //NOI18N
        String currentCategoryName = null;
        String currentTemplateName = null;
        if (templates != null && currentTemplate != null && currentTemplate.getParent() != null && templates.equals(currentTemplate.getParent().getParent())) {
            try {                
                final DataObject dobj = DataObject.find(currentTemplate);                
                final DataObject owner = DataObject.find(currentTemplate.getParent());
                currentTemplateName = dobj.getName();
                currentCategoryName = owner.getName();
            } catch (DataObjectNotFoundException e) {
                //Ignore and use default
            }
        }
        panel.readValues( project, currentCategoryName, currentTemplateName );
        settings.putProperty(WizardDescriptor.PROP_CONTENT_SELECTED_INDEX, 0);
        settings.putProperty(WizardDescriptor.PROP_CONTENT_DATA, new String[] {
                NbBundle.getBundle (TemplateChooserPanel.class).getString ("LBL_TemplatesPanel_Name"), // NOI18N
                NbBundle.getBundle (TemplateChooserPanel.class).getString ("LBL_TemplatesPanel_Dots")}); // NOI18N
        // bugfix #44400: wizard title always changes
        settings.putProperty("NewFileWizard_Title", null); // NOI18N
    }

    @Override
    public void storeSettings(WizardDescriptor wd) {
        Object value = wd.getValue();
        
        if ( NotifyDescriptor.CANCEL_OPTION != value &&
             NotifyDescriptor.CLOSED_OPTION != value ) {        
            try { 

                Project newProject = gui.getProject ();
                project = newProject;
                wd.putProperty(ProjectChooserFactory.WIZARD_KEY_PROJECT, newProject);
                
                if (gui.getTemplate () == null) {
                    return ;
                }
                
                if (wd instanceof TemplateWizard) {
                    ((TemplateWizard)wd).setTemplate( DataObject.find( gui.getTemplate() ) );
                } else {
                    wd.putProperty( ProjectChooserFactory.WIZARD_KEY_TEMPLATE, gui.getTemplate () );
                }
            }
            catch( DataObjectNotFoundException e ) {
                ErrorManager.getDefault().notify (e);
            }
        }
    }

    @Override
    public void stateChanged(ChangeEvent e) {
        /*
        FileObject template = gui.getTemplate();
        p = gui.getProject();
        if (template != null) {
            setDelegate(findTemplateWizardIterator(template, p));
        } else {
            setDelegate(null);
        }
         */
        changeSupport.fireChange();
        
    }
}