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path: root/java/src/IceGridGUI/Application/PropertiesField.java
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// **********************************************************************
//
// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceGridGUI.Application;

import IceGrid.*;
import IceGridGUI.*;

import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.DefaultCellEditor;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;


//
// A special field used to edit show/edit properties
//

public class PropertiesField extends JTable
{
    public PropertiesField(Editor editor)
    {
	_columnNames = new java.util.Vector(2);
	_columnNames.add("Name");
	_columnNames.add("Value");

	_editor = editor;

	Action deleteRow = new AbstractAction("Delete selected row(s)")
	    {
		public void actionPerformed(ActionEvent e) 
		{
		    if(_editable)
		    {
			if(isEditing()) 
			{
			    getCellEditor().stopCellEditing();
			}
			
			for(;;)
			{
			    int selectedRow = getSelectedRow();
			    if(selectedRow == -1)
			    {
				break;
			    }
			    else
			    {
				_model.removeRow(selectedRow);
			    }
			}
		    }
		}
	    };
	getActionMap().put("delete", deleteRow);
	getInputMap().put(
	    KeyStroke.getKeyStroke("DELETE"), "delete");


	

    }


    public void setProperties(java.util.List properties, 
			      Utils.Resolver resolver, boolean editable)
    {
	_editable = editable;

	//
	// Transform list into vector of vectors
	//
	java.util.Vector vector = new java.util.Vector(properties.size());
	java.util.Iterator p = properties.iterator();
	while(p.hasNext())
	{
	    PropertyDescriptor pd = (PropertyDescriptor)p.next();

	    java.util.Vector row = new java.util.Vector(2);
	    row.add(Utils.substitute(pd.name, resolver));
	    row.add(Utils.substitute(pd.value, resolver));
	    vector.add(row);
	}

	if(_editable)
	{
	    java.util.Vector newRow = new java.util.Vector(2);
	    newRow.add("");
	    newRow.add("");
	    vector.add(newRow);
	}

	_model = new DefaultTableModel(vector, _columnNames)
	    {
		public boolean isCellEditable(int row, int column)
		{
		    return _editable;
		}
	    };
	
	_model.addTableModelListener(new TableModelListener()
	    {
		public void tableChanged(TableModelEvent e)
		{
		    if(_editable)
		    {
			Object lastKey = _model.getValueAt(
			    _model.getRowCount() - 1 , 0);
			if(lastKey != null && !lastKey.equals(""))
			{
			    _model.addRow(new Object[]{"", ""});
			}
			_editor.updated();
		    }
		}
	    });
	setModel(_model);

	setCellSelectionEnabled(_editable);
	setOpaque(_editable);
	setPreferredScrollableViewportSize(getPreferredSize());

	DefaultTableCellRenderer cr = (DefaultTableCellRenderer)
	    getDefaultRenderer(String.class);
	cr.setOpaque(_editable);	
    }


    public java.util.LinkedList getProperties()
    {
	if(isEditing()) 
	{
	    getCellEditor().stopCellEditing();
	}
	java.util.Vector vector = _model.getDataVector();

	java.util.LinkedList result = new java.util.LinkedList();
	
	 java.util.Iterator p = vector.iterator();
	 while(p.hasNext())
	 {
	     java.util.Vector row = (java.util.Vector)p.next();

	     //
	     // Eliminate rows with null or empty keys
	     //
	     String key = (String)row.elementAt(0);
	     if(key != null)
	     {
		 key = key.trim(); 
		 if(!key.equals(""))
		 {
		     String val = (String) row.elementAt(1);
		     if(val == null)
		     {
			 val = "";
		     }
		     result.add(new PropertyDescriptor(key, val));
		 }
	     }
	 }
	 return result;
    }

    private DefaultTableModel _model;
    private java.util.Vector _columnNames;
    private boolean _editable = false;

    private Editor _editor;
}