/*
 * Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.
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 * without modification, are permitted provided that the following
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 *   provided with the distribution. 
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 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.  
 * 
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
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import java.util.Date;

/**
 * BookmarksModel is a TreeTableModel extending from
 * DynamicTreeTableModel. The only functionality it adds is
 * overriding <code>isCellEditable</code> to return a different
 * value based on the type of node passed in. Specifically, the root node
 * is not editable, at all.
 *
 * @author Scott Violet
 */
public class BookmarksModel extends DynamicTreeTableModel {
    /**
     * Names of the columns.
     */
    private static final String[] columnNames =
                { "Name", "Location", "Last Visited", "Created" };
    /**
     * Method names used to access the data to display.
     */
    private static final String[] methodNames =
                { "getName", "getLocation", "getLastVisited","getCreated" };
    /**
     * Method names used to set the data.
     */
    private static final String[] setterMethodNames =
                { "setName", "setLocation", "setLastVisited","setCreated" };
    /**
     * Classes presenting the data.
     */
    private static final Class[] classes =
                { TreeTableModel.class, String.class, Date.class, Date.class };


    public BookmarksModel(Bookmarks.BookmarkDirectory root) {
	super(root, columnNames, methodNames, setterMethodNames, classes);
    }

    /**
     * <code>isCellEditable</code> is invoked by the JTreeTable to determine
     * if a particular entry can be added. This is overridden to return true
     * for the first column, assuming the node isn't the root, as well as
     * returning two for the second column if the node is a BookmarkEntry.
     * For all other columns this returns false.
     */
    public boolean isCellEditable(Object node, int column) {
	switch (column) {
	case 0:
	    // Allow editing of the name, as long as not the root.
	    return (node != getRoot());
	case 1:
	    // Allow editing of the location, as long as not a
	    // directory
	    return (node instanceof Bookmarks.BookmarkEntry);
	default:
	    // Don't allow editing of the date fields.
	    return false;
	}
    }
}