NodeAttributeTableModel.java

/*FreeMind - A Program for creating and viewing Mindmaps
 *Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitri Polivaev and others.
 *
 *See COPYING for Details
 *
 *This program is free software; you can redistribute it and/or
 *modify it under the terms of the GNU General Public License
 *as published by the Free Software Foundation; either version 2
 *of the License, or (at your option) any later version.
 *
 *This program 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 for more details.
 *
 *You should have received a copy of the GNU General Public License
 *along with this program; if not, write to the Free Software
 *Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
/*
 * Created on 18.06.2005
 * Copyright (C) 2005 Dimitri Polivaev
 */
package freemind.modes.attributes;

import java.util.Vector;

import javax.swing.ImageIcon;
import javax.swing.table.AbstractTableModel;

import freemind.main.Resources;
import freemind.main.XMLElement;
import freemind.modes.MindMapNode;
import freemind.modes.XMLElementAdapter;

/**
 * @author Dimitri Polivaev 18.06.2005
 */
public class NodeAttributeTableModel extends AbstractTableModel implements
		AttributeTableModel {
	private static boolean SHOW_ATTRIBUTE_ICON = Resources.getInstance()
			.getBoolProperty("el__show_icon_for_attributes");
	private MindMapNode node;
	private Vector attributes = null;
	private AttributeTableLayoutModel layout = null;
	private static final int CAPACITY_INCREMENT = 10;
	static private ImageIcon noteIcon = null;
	private static final String STATE_ICON = "AttributeExist";

	public NodeAttributeTableModel(MindMapNode node, int size) {
		super();
		allocateAttributes(size);
		this.node = node;
	}

	private void allocateAttributes(int size) {
		if (attributes == null && size > 0)
			attributes = new Vector(size, CAPACITY_INCREMENT);
	}

	public NodeAttributeTableModel(MindMapNode node) {
		this(node, 0);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.table.TableModel#getRowCount()
	 */
	public int getRowCount() {
		return attributes == null ? 0 : attributes.size();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.table.TableModel#getValueAt(int, int)
	 */
	public Object getValueAt(int row, int col) {
		if (attributes != null) {
			switch (col) {
			case 0:
				return getName(row);
			case 1:
				return getValue(row);
			}
		}
		return null;
	}

	public Object getName(int row) {
		Attribute attr = (Attribute) attributes.get(row);
		return attr.getName();
	}

	public Object getValue(int row) {
		Attribute attr = (Attribute) attributes.get(row);
		return attr.getValue();
	}

	public AttributeController getAttributeController() {
		return node.getMap().getRegistry().getModeController()
				.getAttributeController();
	}

	public void setValueAt(Object o, int row, int col) {
		getAttributeController().performSetValueAt(this, o, row, col);
	}

	public void enableStateIcon() {
		if (SHOW_ATTRIBUTE_ICON && getRowCount() == 1) {
			if (noteIcon == null) {
				noteIcon = new ImageIcon(Resources.getInstance().getResource(
						"images/showAttributes.gif"));
			}
			node.setStateIcon(STATE_ICON, noteIcon);
		}
	}

	public void disableStateIcon() {
		if (SHOW_ATTRIBUTE_ICON && getRowCount() == 0) {
			node.setStateIcon(STATE_ICON, null);
		}
	}

	public void insertRow(int index, String name, String value) {
		getAttributeController().performInsertRow(this, index, name, value);
	}

	public void addRowNoUndo(Attribute newAttribute) {
		allocateAttributes(CAPACITY_INCREMENT);
		int index = getRowCount();
		node.getMap().getRegistry().getAttributes().registry(newAttribute);
		attributes.add(newAttribute);
		enableStateIcon();
		fireTableRowsInserted(index, index);
	}

	public void setName(int row, Object newName) {
		Attribute attr = (Attribute) attributes.get(row);
		attr.setName(newName.toString());
		fireTableRowsUpdated(row, row);
	}

	public void setValue(int row, Object newValue) {
		Attribute attr = (Attribute) attributes.get(row);
		attr.setValue(newValue.toString());
		fireTableRowsUpdated(row, row);
	}

	public Object removeRow(int index) {
		Object o = getAttributes().elementAt(index);
		getAttributeController().performRemoveRow(this, index);
		return o;
	}

	public void save(XMLElement node) {
		saveLayout(node);
		if (attributes != null) {
			for (int i = 0; i < attributes.size(); i++) {
				saveAttribute(node, i);
			}
		}
	}

	private void saveAttribute(XMLElement node, int i) {
		XMLElement attributeElement = new XMLElement();
		attributeElement.setName(XMLElementAdapter.XML_NODE_ATTRIBUTE);
		Attribute attr = (Attribute) attributes.get(i);
		attributeElement.setAttribute("NAME", attr.getName());
		attributeElement.setAttribute("VALUE", attr.getValue());
		node.addChild(attributeElement);
	}

	private void saveLayout(XMLElement node) {
		if (layout != null) {
			XMLElement attributeElement = null;
			if (layout.getColumnWidth(0) != AttributeTableLayoutModel.DEFAULT_COLUMN_WIDTH) {
				attributeElement = initializeNodeAttributeLayoutXMLElement(attributeElement);
				attributeElement.setIntAttribute("NAME_WIDTH",
						getColumnWidth(0));
			}
			if (layout.getColumnWidth(1) != AttributeTableLayoutModel.DEFAULT_COLUMN_WIDTH) {
				attributeElement = initializeNodeAttributeLayoutXMLElement(attributeElement);
				attributeElement.setIntAttribute("VALUE_WIDTH",
						layout.getColumnWidth(1));
			}
			if (attributeElement != null) {
				node.addChild(attributeElement);
			}
		}
	}

	private XMLElement initializeNodeAttributeLayoutXMLElement(
			XMLElement attributeElement) {
		if (attributeElement == null) {
			attributeElement = new XMLElement();
			attributeElement
					.setName(XMLElementAdapter.XML_NODE_ATTRIBUTE_LAYOUT);
		}
		return attributeElement;
	}

	public MindMapNode getNode() {
		return node;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see freemind.modes.attributes.AttributeTableModel#get(int)
	 */
	public Attribute getAttribute(int row) {
		return (Attribute) attributes.get(row);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.table.TableModel#getColumnCount()
	 */
	public int getColumnCount() {
		return 2;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.table.TableModel#isCellEditable(int, int)
	 */
	public boolean isCellEditable(int arg0, int arg1) {
		return !node.getMap().isReadOnly();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.table.TableModel#getColumnName(int)
	 */
	public String getColumnName(int col) {
		return "";
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.table.TableModel#getColumnClass(int)
	 */
	public Class getColumnClass(int col) {
		return Object.class;
	}

	public int getColumnWidth(int col) {
		return getLayout().getColumnWidth(col);
	}

	public void setColumnWidth(int col, int width) {
		getAttributeController().performSetColumnWidth(this, col, width);
	}

	public AttributeTableLayoutModel getLayout() {
		if (layout == null)
			layout = new AttributeTableLayoutModel();
		return layout;
	}

	/**
	 * @return a list of Attribute elements.
	 */
	public Vector getAttributes() {
		allocateAttributes(NodeAttributeTableModel.CAPACITY_INCREMENT);
		return attributes;
	}

}