f@0: /*  
f@0:  CCmI Editor - A Collaborative Cross-Modal Diagram Editing Tool
f@0:   
f@0:  Copyright (C) 2011  Queen Mary University of London (http://ccmi.eecs.qmul.ac.uk/)
f@0: 
f@0:  This program is free software: you can redistribute it and/or modify
f@0:  it under the terms of the GNU General Public License as published by
f@0:  the Free Software Foundation, either version 3 of the License, or
f@0:  (at your option) any later version.
f@0: 
f@0:  This program is distributed in the hope that it will be useful,
f@0:  but WITHOUT ANY WARRANTY; without even the implied warranty of
f@0:  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
f@0:  GNU General Public License for more details.
f@0: 
f@0:  You should have received a copy of the GNU General Public License
f@0:  along with this program.  If not, see <http://www.gnu.org/licenses/>.
f@0: */
f@0: package uk.ac.qmul.eecs.ccmi.gui;
f@0: 
f@0: import java.awt.Dimension;
f@0: import java.awt.Frame;
f@0: import java.awt.GridBagLayout;
f@0: import java.awt.event.ActionEvent;
f@0: import java.awt.event.ActionListener;
f@0: import java.awt.event.WindowAdapter;
f@0: import java.awt.event.WindowEvent;
f@0: import java.util.List;
f@0: import java.util.ResourceBundle;
f@0: import java.util.Set;
f@0: 
f@0: import javax.swing.Box;
f@0: import javax.swing.BoxLayout;
f@0: import javax.swing.JButton;
f@0: import javax.swing.JDialog;
f@0: import javax.swing.JPanel;
f@0: import javax.swing.JScrollPane;
f@0: import javax.swing.JSeparator;
f@0: import javax.swing.JTable;
f@0: 
f@0: import uk.ac.qmul.eecs.ccmi.diagrammodel.NodeProperties;
f@0: import uk.ac.qmul.eecs.ccmi.diagrammodel.NodeProperties.Modifiers;
f@0: import uk.ac.qmul.eecs.ccmi.utils.GridBagUtilities;
f@0: 
f@0: /**
f@0:  * A Dialog for editing the {@link NodeProperties} of a diagram node.  
f@0:  *
f@0:  */
f@0: @SuppressWarnings("serial")
f@0: public class PropertyEditorDialog extends JDialog {
f@0: 	
f@0: 	private PropertyEditorDialog(Frame parent){
f@0: 		super(parent, resources.getString("dialog.property_editor.title") , true);
f@0: 		setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
f@0: 		
f@0: 		addWindowListener(new WindowAdapter(){
f@0: 			@Override
f@0: 			public void windowClosing(WindowEvent event){
f@0: 				result = null;
f@0: 				dispose();
f@0: 			}
f@0: 		});
f@0: 		
f@0: 		listenerManager = new ListenerManager();
f@0: 		
f@0: 		createComponents();
f@0: 		setContentPane(scrollPane);
f@0: 		
f@0: 		panel.setLayout(new GridBagLayout());
f@0: 		
f@0: 		GridBagUtilities gridBagUtils = new GridBagUtilities(); 
f@0: 		panel.add(topSeparator,gridBagUtils.all());
f@0: 		
f@0: 		int i = 0;
f@0: 		for(String type : properties.getTypes()){
f@0: 			PropertyPanel propertyPanel = new PropertyPanel(type, properties.getValues(type), properties.getModifiers(type));
f@0: 			panel.add(propertyPanel,gridBagUtils.all());
f@0: 			propertyPanels[i++] = propertyPanel;
f@0: 		}
f@0: 		
f@0: 		if(!properties.getTypes().isEmpty())
f@0: 			panel.add(bottomSeparator, gridBagUtils.all());
f@0: 		buttonPanel.add(okButton);
f@0: 		buttonPanel.add(cancelButton);
f@0: 		panel.add(buttonPanel, gridBagUtils.all());
f@0: 		
f@0: 		okButton.addActionListener(listenerManager);
f@0: 		cancelButton.addActionListener(listenerManager);
f@0: 		pack();
f@0: 	}
f@0: 	
f@0: 	/**
f@0: 	 * A static method to show a {@code PropertyEditorDialog}. Via this dialog a user can 
f@0: 	 * specify the entries of a {@code NodeProperties} object and their modifiers, if any have been 
f@0: 	 * defined during the template creation.  
f@0: 	 * 
f@0: 	 * @param parent The parent {@code Frame} of the dialog 
f@0: 	 * @param properties an instance of {@code NodeProeprties} whose value will be shown in the dialog 
f@0: 	 * for the user to edit
f@0: 	 * @return a reference to {@code properties} containing the new values entered by the user or 
f@0: 	 * {@code null} if the user presses the cancel button or closes the window. 
f@0: 	 */
f@0: 	public static NodeProperties showDialog(Frame parent, NodeProperties properties){
f@0: 		if(properties == null)
f@0: 			throw new IllegalArgumentException(resources.getString("dialog.property_editor.error.property_null"));		
f@0: 		PropertyEditorDialog.properties = properties;
f@0: 		dialog = new PropertyEditorDialog(parent);
f@0: 		dialog.setLocationRelativeTo(parent);
f@0: 		dialog.setVisible(true);
f@0: 		return result;
f@0: 	}
f@0: 	
f@0: 	private void createComponents(){
f@0: 		panel = new JPanel();
f@0: 		buttonPanel = new JPanel();
f@0: 		propertyPanels = new PropertyPanel[PropertyEditorDialog.properties.getTypes().size()];
f@0: 		scrollPane  = new JScrollPane(
f@0: 				panel,
f@0: 				JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
f@0: 				JScrollPane.HORIZONTAL_SCROLLBAR_NEVER
f@0: 				);
f@0: 		bottomSeparator = new JSeparator();
f@0: 		topSeparator = new JSeparator();
f@0: 		okButton = new JButton(resources.getString("dialog.ok_button"));
f@0: 		cancelButton = new JButton(resources.getString("dialog.cancel_button"));
f@0: 	}
f@0: 	
f@0: 	private JPanel panel;
f@0: 	private JPanel buttonPanel;
f@0: 	private PropertyPanel[] propertyPanels;
f@0: 	private JScrollPane scrollPane;
f@0: 	private JSeparator topSeparator;
f@0: 	private JSeparator bottomSeparator;
f@0: 	private JButton okButton;
f@0: 	private JButton cancelButton;
f@0: 	private ListenerManager listenerManager;
f@0: 	
f@0: 	private static PropertyEditorDialog dialog;
f@0: 	private static NodeProperties properties;
f@0: 	private static NodeProperties result;
f@0: 	private static ResourceBundle resources = ResourceBundle.getBundle(EditorFrame.class.getName());
f@0: 	
f@0: 	private class PropertyPanel extends JPanel{
f@0: 		public PropertyPanel(String propertyType, List<String> values, final Modifiers modifiers ){
f@0: 			setLayout(new BoxLayout(this,BoxLayout.Y_AXIS));
f@0: 			model = new PropertyTableModel(propertyType, values, modifiers);
f@0: 			if(modifiers != null)
f@0: 				for(int i=0; i< values.size(); i++){
f@0: 					model.setIndexesAt(i, modifiers.getIndexes(i));
f@0: 				}
f@0: 			table = new JTable(model);
f@0: 			table.setPreferredScrollableViewportSize(new Dimension(250, 70));
f@0: 	        table.setFillsViewportHeight(true);
f@0: 	        
f@0: 			add(new JScrollPane(table));
f@0: 			/* we can edit modifiers only if one or more modifier types have been defined for this property type */
f@0: 			if(!modifiers.isNull()){
f@0: 				editModifiers = new JButton(resources.getString("dialog.property_editor.edit_modifiers_button"));
f@0: 				editModifiers.setAlignmentX(RIGHT_ALIGNMENT);
f@0: 				add(editModifiers);
f@0: 				editModifiers.addActionListener(new ActionListener(){
f@0: 					@Override
f@0: 					public void actionPerformed(ActionEvent arg0) {
f@0: 						int row = table.getSelectedRow();
f@0: 						if((row == -1)||(row == model.getRowCount()-1))
f@0: 							return;
f@0: 						Set<Integer> indexes;
f@0: 						
f@0: 						indexes = ModifierEditorDialog.showDialog(PropertyEditorDialog.this, modifiers.getTypes(), model.getIndexesAt(row));
f@0: 						model.setIndexesAt(row, indexes);
f@0: 					}
f@0: 				});
f@0: 			}
f@0: 			add(Box.createRigidArea(new Dimension(0,5)));
f@0: 		}
f@0: 		
f@0: 		JTable table;
f@0: 		PropertyTableModel model;
f@0: 		JButton editModifiers;
f@0: 	}
f@0: 	
f@0: 	private class ListenerManager implements ActionListener{
f@0: 		@Override
f@0: 		public void actionPerformed(ActionEvent evt) {
f@0: 			Object source = evt.getSource();
f@0: 			if(source.equals(okButton)){
f@0: 				for(int i=0; i<propertyPanels.length;i++){
f@0: 					PropertyTableModel model = propertyPanels[i].model;
f@0: 					properties.clear(model.getColumnName(0));
f@0: 					for(int j=0; j< model.getRowCount();j++){
f@0: 						String value = model.getValueAt(j, 0).toString().trim();
f@0: 						if(!value.equals("")){
f@0: 							properties.addValue(model.getColumnName(0),value , model.getIndexesAt(j));
f@0: 						}
f@0: 					}
f@0: 				}
f@0: 				result = properties;
f@0: 				dispose();
f@0: 			}else{
f@0: 				result = null;
f@0: 				dispose();
f@0: 			}
f@0: 		}
f@0:  	}
f@0: 
f@0: }