/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.web.project.ui;

import java.awt.Dialog;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.Map;
import java.util.WeakHashMap;

import javax.swing.JButton;

import org.openide.DialogDescriptor;
import org.openide.DialogDisplayer;
import org.openide.ErrorManager;
import org.openide.util.NbBundle;

import org.netbeans.api.project.Project;
import org.netbeans.api.project.ProjectManager;
import org.netbeans.api.project.ProjectUtils;

import org.netbeans.spi.project.support.ant.AntProjectHelper;
import org.netbeans.spi.project.support.ant.ReferenceHelper;
import org.netbeans.spi.project.ui.CustomizerProvider;

import org.netbeans.modules.web.project.ProjectWebModule;
import org.netbeans.modules.web.project.ui.customizer.WebCustomizer;
import org.netbeans.modules.web.project.ui.customizer.WebProjectProperties;

/** Customization of web project
 *
 * @author Petr Hrebejk
 */
public class WebCustomizerProvider implements CustomizerProvider {
    
    private final Project project;
    private final AntProjectHelper antProjectHelper;   
    private final ReferenceHelper refHelper;
    
    // Option indexes
    private static final int OPTION_OK = 0;
    private static final int OPTION_CANCEL = OPTION_OK + 1;
    
    // Option command names
    private static final String COMMAND_OK = "OK";          // NOI18N
    private static final String COMMAND_CANCEL = "CANCEL";  // NOI18N
    
    private DialogDescriptor dialogDescriptor;
    private Map customizerPerProject = new WeakHashMap (); // Is is weak needed here?
    
    public WebCustomizerProvider(Project project, AntProjectHelper antProjectHelper, ReferenceHelper refHelper) {
        this.project = project;
        this.antProjectHelper = antProjectHelper;
        this.refHelper = refHelper;
    }
            
    public void showCustomizer() {
        if (customizerPerProject.containsKey(project)) {
            Dialog dlg = (Dialog) customizerPerProject.get(project);
            
            // check if the project is being customized
            if (dlg.isShowing()) {
                // make it showed
                dlg.show();
                return ;
            }
        }

        // Create options
        JButton options[] = new JButton[] { 
            new JButton( NbBundle.getMessage( WebCustomizerProvider.class, "LBL_Customizer_Ok_Option") ), // NOI18N
            new JButton( NbBundle.getMessage( WebCustomizerProvider.class, "LBL_Customizer_Cancel_Option" ) ) , // NOI18N
        };

        options[OPTION_OK].getAccessibleContext().setAccessibleDescription(NbBundle.getMessage(WebCustomizerProvider.class, "ACS_Customizer_Ok_Option_A11YDesc")); //NOI18N
        options[OPTION_OK].setMnemonic(NbBundle.getMessage(WebCustomizerProvider.class, "LBL_Customizer_Ok_Option_LabelMnemonic").charAt(0)); //NOI18N

        options[OPTION_CANCEL].getAccessibleContext().setAccessibleDescription(NbBundle.getMessage(WebCustomizerProvider.class, "ACS_Customizer_Cancel_Option_A11YDesc")); //NOI18N
        options[OPTION_CANCEL].setMnemonic(NbBundle.getMessage(WebCustomizerProvider.class, "LBL_Customizer_Cancel_Option_LabelMnemonic").charAt(0)); //NOI18N

        // Set commands
        options[ OPTION_OK ].setActionCommand( COMMAND_OK );
        options[ OPTION_CANCEL ].setActionCommand( COMMAND_CANCEL );

        // RegisterListener
        WebProjectProperties webProperties = new WebProjectProperties( project, antProjectHelper, refHelper );
        ActionListener optionsListener = new OptionListener( project, webProperties );
        options[ OPTION_OK ].addActionListener( optionsListener );
        options[ OPTION_CANCEL ].addActionListener( optionsListener );

        ProjectWebModule pwm = (ProjectWebModule) project.getLookup ().lookup (ProjectWebModule.class);

        WebCustomizer innerPane = new WebCustomizer(webProperties, pwm);
        dialogDescriptor = new DialogDescriptor( 
            innerPane, // innerPane
            MessageFormat.format(                 // displayName
                NbBundle.getMessage( WebCustomizerProvider.class, "LBL_Customizer_Title" ), // NOI18N 
                new Object[] { ProjectUtils.getInformation(project).getDisplayName() } ),    
            false,                                  // modal
            options,                                // options
            options[OPTION_OK],                     // initial value
            DialogDescriptor.BOTTOM_ALIGN,          // options align
            null,                                   // helpCtx
            null );                                 // listener 

        innerPane.setDialogDescriptor(dialogDescriptor);
        dialogDescriptor.setClosingOptions( new Object[] { options[ OPTION_OK ], options[ OPTION_CANCEL ] } );
            
        Dialog dialog = DialogDisplayer.getDefault().createDialog( dialogDescriptor );
        customizerPerProject.put(project, dialog);
        dialog.show();
    }    
    
    /** Listens to the actions on the Customizer's option buttons */
    private static class OptionListener implements ActionListener {
    
        private Project project;
        private WebProjectProperties webProperties;
        
        OptionListener( Project project, WebProjectProperties webProperties ) {
            this.project = project;
            this.webProperties = webProperties;            
        }
        
        public void actionPerformed( ActionEvent e ) {
            String command = e.getActionCommand();
            
            if (COMMAND_OK.equals(command)) {
                // Store the properties 
                webProperties.store();
                
                // XXX Maybe move into WebProjectProperties
                // And save the project
                try {
                    ProjectManager.getDefault().saveProject(project);
                }
                catch ( IOException ex ) {
                    ErrorManager.getDefault().notify( ex );
                }
            }
            
        }        
        
    }
                            
}