CDBTable.java

/*******************************************************************************
 * ALMA - Atacama Large Millimeter Array
 * Copyright (c) COSYLAB - Control System Laboratory, 2011
 * (in the framework of the ALMA collaboration).
 * All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 *******************************************************************************/
package com.cosylab.cdb.browser;

import java.awt.Color;
import java.awt.Component;

import javax.swing.DefaultCellEditor;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.TableCellRenderer;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.PlainDocument;

class CDBTable extends JTable 
{
	boolean[] rowChanged;

	CDBTable(Object[][] data, String[] colNames) {
		super(data, colNames);

		this.tableHeader.setEnabled(false);
		this.tableHeader.setReorderingAllowed(false);

		rowChanged = new boolean[data.length];

		// Set cell renderer for the ATTRIBUTE VALUES column.
		// setDefaultRenderer(getColumnClass(1), new CDBTableCellRenderer());

		//
		setUpStringEditor();
	}

	public void setUpStringEditor() {
		final StringField stringField = new StringField("", 3);// , this);
		DefaultCellEditor stringEditor = new DefaultCellEditor(stringField) {
			public Object getCellEditorValue() {
				return stringField.getValue();
			}
		};
		setDefaultEditor(String.class, stringEditor);
	}

	public void emptyArray() {
		for (int i = 0; i < rowChanged.length; i++) {
			rowChanged[i] = false;
		}
	}

	// Table cell rederer class
	class CDBTableCellRenderer extends JLabel implements TableCellRenderer
	{
		Color background = Color.white;
		Color foreground = Color.black;
		Color selectedForeground = Color.red;

		CDBTableCellRenderer() {
			// setOpaque(true);
		}

		public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
				boolean hasFocus, int row, int col) {
			setFont(table.getFont());
			setText((String) value);

			// if(Browser.getInstance().reset.isEnabled() && isForegroundRed(row,col)){
			// setForeground(selectedForeground);
			// setBackground(background);
			// }
			// else{
			// setForeground(foreground);
			// setBackground(background);
			// }

			return this;
		}
	}

	class StringField extends JTextField
	{
		int counter = 0;

		StringField(String value, int col) {
			super(col);
			setValue(value);
		}

		public void setValue(String val) {
			setText(val);
		}

		public String getValue() {
			return getText();
		}

		protected Document createDefaultModel() {
			return new WholeStringDocument();
		}

		protected class WholeStringDocument extends PlainDocument
		{
			public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
				int r = getSelectedRow();
				int c = getSelectedColumn();

				// Browser.getInstance().display("int offs: " + offs + ". String str: " + str, true );

				if (rowChanged[r] == false) {
					Browser.getInstance().display(
							"MESSAGE: Row " + (r + 1) + " has changed. Storing its original value \""
									+ (String) getValueAt(r, c) + "\".\t[Node: " + Browser.getInstance().getPath()
									+ "]", true);

					rowChanged[r] = true;
					CDBLogic.CDBTree.setEnabled(false);
					CDBLogic.selectedTableModel.storeVal();
					CDBLogic.tableChanged = true;

					if (CDBLogic.selectedTabbedPane.isEnabledAt(CDBLogic.xmlIndex)) {
						CDBLogic.XMLIndexEnabled = true;
						CDBLogic.selectedTabbedPane.setEnabledAt(CDBLogic.xmlIndex, false);
					}
					Browser.getInstance().enableButtons(true);
				}

				char[] source = str.toCharArray();
				char[] result = new char[source.length];
				int j = 0;

				for (int i = 0; i < result.length; i++) {
					result[j++] = source[i];
				}

				super.insertString(offs, new String(result, 0, j), a);
			}
		}
	}
}