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package com.c2kernel.lifecycle.instance.gui.view;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import com.c2kernel.entity.agent.Job;
import com.c2kernel.entity.proxy.ItemProxy;
import com.c2kernel.graph.model.Vertex;
import com.c2kernel.graph.view.SelectedVertexPanel;
import com.c2kernel.gui.MainFrame;
import com.c2kernel.gui.tabs.EntityTabPane;
import com.c2kernel.gui.tabs.execution.Executor;
import com.c2kernel.lifecycle.instance.Activity;
import com.c2kernel.lifecycle.instance.stateMachine.StateMachine;
import com.c2kernel.lifecycle.instance.stateMachine.States;
import com.c2kernel.lifecycle.instance.stateMachine.Transitions;
import com.c2kernel.utils.Logger;
/**************************************************************************
*
* $Revision: 1.8 $
* $Date: 2005/09/07 13:46:31 $
*
* Copyright (C) 2003 CERN - European Organization for Nuclear Research
* All rights reserved.
**************************************************************************/
public class TransitionPanel extends SelectedVertexPanel implements ActionListener {
protected Activity mCurrentAct;
protected GridBagLayout gridbag;
protected GridBagConstraints c;
protected Box transBox;
protected JComboBox executors;
protected JComboBox states = new JComboBox(States.states);
protected JCheckBox active = new JCheckBox();
protected JLabel status = new JLabel();
protected ItemProxy mItem;
public TransitionPanel() {
super();
gridbag = new GridBagLayout();
setLayout(gridbag);
c = new GridBagConstraints();
c.gridx=0; c.gridy=0;
c.weightx=1; c.weighty=0;
c.fill=GridBagConstraints.HORIZONTAL;
JLabel title = new JLabel("Available Transitions");
title.setFont(EntityTabPane.titleFont);
gridbag.setConstraints(title, c);
add(title);
c.gridy++;
gridbag.setConstraints(status, c);
add(status);
c.gridy++;
transBox = Box.createHorizontalBox();
gridbag.setConstraints(transBox, c);
add(transBox);
c.weightx=0; c.gridx++;
executors = MainFrame.getExecutionPlugins();
if (executors.getItemCount() > 1) {
gridbag.setConstraints(executors, c);
add(executors);
}
if (MainFrame.isAdmin) {
c.gridx=0; c.gridy++;
title = new JLabel("State Hacking");
title.setFont(EntityTabPane.titleFont);
gridbag.setConstraints(title, c);
add(title);
Box hackBox = Box.createHorizontalBox();
hackBox.add(states);
hackBox.add(Box.createHorizontalGlue());
hackBox.add(new JLabel("Active:"));
hackBox.add(active);
c.gridy++;
gridbag.setConstraints(hackBox, c);
add(hackBox);
states.addActionListener(this);
active.addActionListener(this);
}
clear();
}
/**
*
*/
public void select(Vertex vert) {
clear();
if (!(vert instanceof Activity)) return;
mCurrentAct = (Activity)vert;
states.setSelectedIndex(mCurrentAct.getCurrentState());
states.setEnabled(true);
active.setSelected(mCurrentAct.active);
active.setEnabled(true);
Logger.msg("Retrieving possible transitions for activity "+mCurrentAct.getName());
int[] transitions = mCurrentAct.getMachine().possibleTransition();
if (transitions.length == 0) {
status.setText("None");
return;
}
for (int i = 0; i < transitions.length; i++) {
String trans= Transitions.getTransitionName(transitions[i]);
if (!(transitions[i]==Transitions.DONE) && !(transitions[i]==Transitions.COMPLETE)) {
String buttonLabel = trans.substring(0,1).toUpperCase()+trans.substring(1);
JButton thisTrans = new JButton(buttonLabel);
thisTrans.setActionCommand("Trans:"+String.valueOf(transitions[i]));
thisTrans.addActionListener(this);
transBox.add(thisTrans);
transBox.add(Box.createHorizontalGlue());
}
status.setText(transitions.length+" transitions possible.");
}
revalidate();
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == active && mCurrentAct != null) {
mCurrentAct.active = active.isSelected();
return;
}
if (e.getSource() == states && mCurrentAct != null) {
mCurrentAct.getMachine().state = states.getSelectedIndex();
return;
}
if (!e.getActionCommand().startsWith("Trans:")) return;
int transition = Integer.parseInt(e.getActionCommand().substring(6));
Logger.msg("Requesting transition "+transition);
Job thisJob = new Job(mItem.getSystemKey(),
mCurrentAct.getPath(),
transition,
new StateMachine(mCurrentAct).simulate(transition),
mCurrentAct.getCurrentState(),
mCurrentAct.getName(),
mCurrentAct.getProperties(),
mCurrentAct.getType(),
MainFrame.userAgent.getName());
try {
Executor selectedExecutor = (Executor)executors.getSelectedItem();
selectedExecutor.execute(thisJob, status);
} catch (Exception ex) {
String className = ex.getClass().getName();
className = className.substring(className.lastIndexOf('.')+1);
Logger.error(ex);
JOptionPane.showMessageDialog(null, ex.getMessage(), className, JOptionPane.ERROR_MESSAGE);
}
}
public void clear() {
mCurrentAct = null;
transBox.removeAll();
status.setText("No activity selected");
states.setSelectedIndex(0);
states.setEnabled(false);
active.setSelected(false);
active.setEnabled(false);
revalidate();
}
/**
* @param item The mItem to set.
*/
public void setItem(ItemProxy item) {
mItem = item;
}
}
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