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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.

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 * particular file as subject to the "Classpath" exception as provided

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 * However, if you add GPL Version 2 code and therefore, elected the GPL

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package org.netbeans.modules.ada.editor;

import java.awt.Image;

import java.text.DateFormat;

import org.openide.filesystems.FileAttributeEvent;

import org.openide.filesystems.FileChangeListener;

import org.openide.filesystems.FileEvent;

import org.openide.filesystems.FileRenameEvent;

import org.openide.loaders.DataNode;

import org.openide.loaders.DataObject;

import org.openide.nodes.FilterNode.Children;

import org.openide.util.ImageUtilities;

import org.openide.util.Lookup;

/**

 *

 * @author Andrea Lucarelli

 */

public class AdaDataNode extends DataNode implements FileChangeListener {

    private static final String ADS_ICON = "/org/netbeans/modules/ada/editor/resources/icons/ads-16.png";

    private static final String ADB_ICON = "/org/netbeans/modules/ada/editor/resources/icons/adb-16.png";

    private static final String ADA_SPEC_ICON = "/org/netbeans/modules/ada/editor/resources/icons/ada-spec-16.png";

    private static final String ADA_BODY_ICON = "/org/netbeans/modules/ada/editor/resources/icons/ada-body-16.png";

    private AdaDataObject obj;

    private String displayName;

    private String tooltip;

    private Image icon;

    public AdaDataNode(AdaDataObject obj) {

        super(obj, Children.LEAF);

        this.obj = obj;

    }

    public AdaDataNode(DataObject obj, Lookup lookup) {

        super(obj, Children.LEAF, lookup);

        //Add file change listener to the FileObject:

        //obj.getPrimaryFile().addFileChangeListener(this);

        //Set default icon:

        if (obj.getPrimaryFile().getExt().equalsIgnoreCase("ads")) {

            setIconBaseWithExtension(ADS_ICON);

            icon = ImageUtilities.loadImage(ADS_ICON);

        } else if (obj.getPrimaryFile().getExt().equalsIgnoreCase("adb")) {

            setIconBaseWithExtension(ADB_ICON);

            icon = ImageUtilities.loadImage(ADB_ICON);

        } else {

            // TODO: manage the contents for set the icon

            setIconBaseWithExtension(ADA_SPEC_ICON);

            icon = ImageUtilities.loadImage(ADA_SPEC_ICON);

        }

        //Set default tooltip:

        tooltip = obj.getPrimaryFile().getNameExt();

        setShortDescription (tooltip);

    }

    @Override

    public String getDisplayName() {

        if (null != displayName) {

            return displayName;

        }

        return super.getDisplayName();

    }

    @Override

    public String getShortDescription() {

        if (null != tooltip) {

            return tooltip;

        }

        return super.getShortDescription();

    }

    @Override

    public Image getIcon(int arg0) {

        if (null != icon) {

            return icon;

        }

        return super.getIcon(arg0);

    }

    //When the file changes...

    @Override

    public void fileChanged(FileEvent arg0) {

        //Get the milliseconds and format it:

        long mills = System.currentTimeMillis();

        DateFormat dateFormatter = DateFormat.getDateTimeInstance(

                DateFormat.LONG,

                DateFormat.LONG);

        String formatted = dateFormatter.format(mills);

        //Save the current display name:

        String oldDisplayName = displayName;

        //Save the current tooltip:

        String oldShortDescription = tooltip;

        //Set the new display name:

        displayName = "Change (" + formatted + ")";

        //Set the new tooltip:

        tooltip = formatted;

        //Fire change events on the node,

        //which will immediately refresh it with the new values:

        fireDisplayNameChange(oldDisplayName, displayName);

        fireShortDescriptionChange(oldShortDescription, tooltip);

        fireIconChange();

    }

    @Override

    public void fileFolderCreated(FileEvent arg0) {

    }

    @Override

    public void fileDataCreated(FileEvent arg0) {

    }

    @Override

    public void fileDeleted(FileEvent arg0) {

    }

    @Override

    public void fileRenamed(FileRenameEvent arg0) {

    }

    @Override

    public void fileAttributeChanged(FileAttributeEvent arg0) {

    }

}