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 * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.

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

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

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

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package sun.tools.jconsole.inspector;

import java.awt.Color;

import java.awt.Component;

import java.awt.Font;

import javax.swing.JTable;

import javax.swing.table.DefaultTableCellRenderer;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableCellRenderer;

public abstract class XTable extends JTable {

    static final int NAME_COLUMN = 0;

    static final int VALUE_COLUMN = 1;

    private Color defaultColor, editableColor, errorColor;

    private Font normalFont, boldFont;

    public XTable () {

        super();

        @SuppressWarnings("serial")

        final TableSorter sorter = new TableSorter();

        setModel(sorter);

        sorter.addMouseListenerToHeaderInTable(this);

        setRowSelectionAllowed(false);

        setColumnSelectionAllowed(false);

        setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);

    }

    Color getDefaultColor() {

        return defaultColor;

    }

    Color getEditableColor() {

        return editableColor;

    }

    /**

     * Called by TableSorter if a mouse event requests to sort the rows.

     * @param column the column against which the rows are sorted

     */

    void sortRequested(int column) {

        // This is a hook for subclasses

    }

    /**

     * This returns the select index as the table was at initialization

     */

    public int getSelectedIndex() {

        return convertRowToIndex(getSelectedRow());

    }

    /*

     * Converts the row into index (before sorting)

     */

    public int convertRowToIndex(int row) {

        if (row == -1) return row;

        if (getModel() instanceof TableSorter) {

            return ((TableSorter) getModel()).getIndexOfRow(row);

        } else {

            return row;

        }

    }

    public void emptyTable() {

        DefaultTableModel model = (DefaultTableModel)getModel();

        while (model.getRowCount()>0)

            model.removeRow(0);

    }

    public abstract boolean isTableEditable();

    public abstract boolean isColumnEditable(int column);

    public abstract boolean isReadable(int row);

    public abstract boolean isWritable(int row);

    public abstract boolean isCellError(int row, int col);

    public abstract boolean isAttributeViewable(int row, int col);

    public abstract void setTableValue(Object value,int row);

    public abstract Object getValue(int row);

    public abstract String getClassName(int row);

    public abstract String getValueName(int row);

    public boolean isReadWrite(int row) {

        return (isReadable(row) && isWritable(row));

    }

    //JTable re-implementation

    //attribute can be editable even if unavailable

    @Override

    public boolean isCellEditable(int row, int col) {

        return ((isTableEditable() && isColumnEditable(col)

                 &&  isWritable(row)

                 && Utils.isEditableType(getClassName(row))));

    }

    //attribute can be droppable even if unavailable

    public boolean isCellDroppable(int row, int col) {

        return (isTableEditable() && isColumnEditable(col)

                && isWritable(row));

    }

    //returns null, means no tool tip

    public String getToolTip(int row, int column) {

        return null;

    }

    /**

     * This method sets read write rows to be blue, and other rows to be their

     * default rendered colour.

     */

    @Override

    public TableCellRenderer getCellRenderer(int row, int column) {

        DefaultTableCellRenderer tcr =

            (DefaultTableCellRenderer) super.getCellRenderer(row,column);

        tcr.setToolTipText(getToolTip(row,column));

        if (defaultColor == null) {

            defaultColor = tcr.getForeground();

            editableColor = Color.blue;

            errorColor = Color.red;

            // this sometimes happens for some reason

            if (defaultColor == null) {

                return tcr;

            }

        }

        if (column != VALUE_COLUMN) {

            tcr.setForeground(defaultColor);

            return tcr;

        }

        if (isCellError(row,column)) {

            tcr.setForeground(errorColor);

        } else if (isCellEditable(row, column)) {

            tcr.setForeground(editableColor);

        } else {

            tcr.setForeground(defaultColor);

        }

        return tcr;

    }

    @Override

    public Component prepareRenderer(TableCellRenderer renderer,

                                     int row, int column) {

        Component comp = super.prepareRenderer(renderer, row, column);

        if (normalFont == null) {

            normalFont = comp.getFont();

            boldFont = normalFont.deriveFont(Font.BOLD);

        }

        if (column == VALUE_COLUMN && isAttributeViewable(row, VALUE_COLUMN)) {

            comp.setFont(boldFont);

        } else {

            comp.setFont(normalFont);

        }

        return comp;

    }

}