package jadex.tools.comanalyzer.diagram;
import jadex.commons.collection.SortedList;
import jadex.tools.comanalyzer.Component;
import jadex.tools.comanalyzer.ComponentFilterMenu;
import jadex.tools.comanalyzer.Message;
import jadex.tools.comanalyzer.MessageFilterMenu;
import jadex.tools.comanalyzer.ToolCanvas;
import jadex.tools.comanalyzer.ToolTab;
import java.awt.BorderLayout;
import java.awt.Cursor;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.util.SortedMap;
import java.util.TreeMap;
import javax.swing.JScrollPane;
import edu.uci.ics.jung.graph.util.Pair;
/**
* The container for the diagram.
*/
public class DiagramCanvas extends ToolCanvas
{
// -------- attributes --------
/** The panel for components */
protected ComponentCanvas header;
/** The panel for messages */
protected MessageCanvas detail;
/** Internal componentlist for display */
protected SortedList visible_components;
/** Internal messagelist for display */
protected SortedMap visible_messages;
/** The autoscroll for the diagramm */
protected boolean autoScroll = true;
// -------- constructors --------
/**
* Constructor for the container
*
* @param tooltab The tooltab.
*/
public DiagramCanvas(final ToolTab tooltab)
{
super(tooltab);
visible_components = new SortedList();
visible_messages = new TreeMap();
// init component and messages panel
header = new ComponentCanvas(this);
detail = new MessageCanvas(this);
JScrollPane scroll = new JScrollPane();
scroll.setViewportView(detail);
scroll.setColumnHeaderView(header);
this.setLayout(new BorderLayout());
this.add(BorderLayout.CENTER, scroll);
// change cursor when over an component
header.addMouseMotionListener(new MouseMotionAdapter()
{
public void mouseMoved(MouseEvent e)
{
Component selectedComponent = header.getComponent(e.getX(), e.getY());
if((selectedComponent != null))
{
setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
}
else
{
setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}
});
// show poup on trigger or display element on doubleclick
header.addMouseListener(new MouseAdapter()
{
public void mouseClicked(MouseEvent e)
{
if(e.getButton() == MouseEvent.BUTTON3)
{
Component selectedComponent = header.getComponent(e.getX(), e.getY());
if((selectedComponent != null))
{
ComponentFilterMenu mpopup = new ComponentFilterMenu(tooltab.getPlugin(), selectedComponent);
mpopup.show(e.getComponent(), e.getX(), e.getY());
}
}
if(e.getButton() == MouseEvent.BUTTON1 && e.getClickCount() == 2)
{
Component selectedComponent = header.getComponent(e.getX(), e.getY());
if((selectedComponent != null))
{
tooltab.getToolPanel().showElementDetails(selectedComponent.getParameters());
}
}
}
});
// change cursor when over a message
detail.addMouseMotionListener(new MouseMotionAdapter()
{
public void mouseMoved(MouseEvent e)
{
Message selectedMessage = detail.getMessage(e.getX(), e.getY());
if(selectedMessage != null)
{
setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
}
else
{
setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}
});
// show poup on trigger or display element on doubleclick
detail.addMouseListener(new MouseAdapter()
{
public void mouseClicked(MouseEvent e)
{
if(e.getButton() == MouseEvent.BUTTON3)
{
Message mess = detail.getMessage(e.getX(), e.getY());
if(mess != null)
{
MessageFilterMenu mpopup = new MessageFilterMenu(tooltab.getPlugin(), mess);
mpopup.show(e.getComponent(), e.getX(), e.getY());
}
}
if(e.getButton() == MouseEvent.BUTTON1 && e.getClickCount() == 2)
{
Message mess = detail.getMessage(e.getX(), e.getY());
if((mess != null))
{
tooltab.getToolPanel().showElementDetails(mess.getParameters());
}
}
}
});
}
// -------- ToolCanvas methods --------
/**
* Update a message by adding it, if the message can be displayed or
* removing it if present.
*
* @param message The message to add.
* @param isPresent <code>true</code> if removal is skipped. (Can be
* applied to new messages)
*/
public void updateMessage(Message message, boolean isPresent)
{
Pair newPair = message.getEndpoints();
if(newPair != null)
{
Component sender = (Component)newPair.getFirst();
Component receiver = (Component)newPair.getSecond();
// check if message is already displayed
if(visible_messages.containsKey(message))
{
// check if the message should be redirected
Pair oldPair = (Pair)visible_messages.get(message);
if(oldPair.getFirst().equals(sender) && oldPair.getSecond().equals(receiver))
{
return; // already displayed
}
else
{
// remove message, since the message is redirected
removeMessage(message);
}
}
// now add the message with sender and receiver
// given by displayMessage
addMessage(message, sender, receiver);
}
else if(isPresent)
{
removeMessage(message);
}
return;
}
/**
* Removes a message.
*
* @param message The message to remove.
*/
public void removeMessage(Message message)
{
visible_messages.remove(message);
}
/**
* Updates an component by adding it, if the component can be displayed or removing
* it if present.
*
* @param component The component to add.
* @param isPresent <code>true</code> if removal is skipped. (Can be
* applied to new components)
*/
public void updateComponent(Component component, boolean update)
{
if(component.isVisible())
{
if(!visible_components.contains(component))
{
addComponent(component);
}
}
else if(update)
{
removeComponent(component);
}
return;
}
/**
* Removes an component.
*
* @param component The component to remove.
*/
public void removeComponent(Component component)
{
visible_components.remove(component);
}
/**
* This method repaint both canvas checking the size of the scrollbars. The
* right procedure to follow is to call method setPreferredSize() the
* revalidate() method.
*/
public void repaintCanvas()
{
header.setPreferredSize();
detail.setPreferredSize();
if(autoScroll)
{
Point p = new Point(0, detail.getSize().height);
detail.scrollRectToVisible(new Rectangle(p));
}
// detail.setSize(new Dimension(horDim,vertDim));
revalidate();
repaint();
}
/**
* Clear the diagramm by removing all messages and components.
*/
public void clear()
{
visible_components.clear();
visible_messages.clear();
}
// -------- DiagramCanvas methods --------
/**
* @return Returns <code>true</code> if autoscroll is on
*/
public boolean isAutoScroll()
{
return autoScroll;
}
/**
* @param autoScroll The autoScroll to set.
*/
public void setAutoScroll(boolean autoScroll)
{
this.autoScroll = autoScroll;
}
/**
* Adds the component.
* @param component The component to add.
*/
public void addComponent(Component component)
{
visible_components.add(component);
}
/**
* Add message with given sender and receiver (for redirection)
*
* @param message The message to add.
* @param sender The sender in the presentation.
* @param receiver The receiver in the presentation. (e.g. dummy)
*/
public void addMessage(Message message, Component sender, Component receiver)
{
visible_messages.put(message, new Pair(sender, receiver));
}
}