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/*
* StatusPane.java
*
* Created on March 20, 2001, 3:30 PM
*/
package com.c2kernel.gui.tabs;
/**
* @author abranson
* @version
*/
import java.awt.GridBagConstraints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.C2KLocalObject;
import com.c2kernel.entity.proxy.EntityProxyObserver;
import com.c2kernel.events.Event;
import com.c2kernel.events.History;
import com.c2kernel.lifecycle.instance.stateMachine.Transitions;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.utils.Language;
import com.c2kernel.utils.Logger;
/**
* Pane to display all work orders that this agent can execute, and activate
* them on request from the user. Subscribes to NodeItem for WorkOrder objects.
* @version $Revision: 1.22 $ $Date: 2005/04/26 06:48:13 $
* @author $Author: abranson $
*/
public class HistoryPane extends EntityTabPane implements ActionListener, EntityProxyObserver {
History history;
HistoryTableModel model;
JTable eventTable;
JButton startButton = new JButton("<<");
JButton prevButton = new JButton("<");
JButton nextButton = new JButton(">");
JButton endButton = new JButton(">>");
public static final int SIZE = 30;
int currentSize = SIZE;
public HistoryPane() {
super("History", "Event History");
initPanel();
// add buttons
Box navBox = Box.createHorizontalBox();
navBox.add(startButton); navBox.add(prevButton);
navBox.add(nextButton); navBox.add(endButton);
// setup buttons
//startButton.setEnabled(false); nextButton.setEnabled(false);
//prevButton.setEnabled(false); endButton.setEnabled(false);
startButton.setActionCommand("start");
startButton.addActionListener(this);
prevButton.setActionCommand("prev");
prevButton.addActionListener(this);
nextButton.setActionCommand("next");
nextButton.addActionListener(this);
endButton.setActionCommand("end");
endButton.addActionListener(this);
getGridBagConstraints();
c.gridx = 0; c.gridy = 1;
c.anchor = GridBagConstraints.NORTHWEST;
c.fill=GridBagConstraints.NONE;
c.weightx=0; c.weighty=0;
gridbag.setConstraints(navBox, c);
add(navBox);
// Create table
eventTable = new JTable();
JScrollPane eventScroll= new JScrollPane(eventTable);
c.weightx = 1.0; c.weighty = 1.0;
c.fill = GridBagConstraints.BOTH; c.gridy++;
gridbag.setConstraints(eventScroll, c);
add(eventScroll);
}
public void reload() {
history.clear();
jumpToEnd();
}
public void run() {
Thread.currentThread().setName("History Pane Builder");
try {
history = (History)sourceEntity.getEntity().getObject(ClusterStorage.HISTORY);
sourceEntity.getEntity().subscribe(this, ClusterStorage.HISTORY, false);
} catch (ObjectNotFoundException e) {
Logger.error(e);
}
model = new HistoryTableModel();
eventTable.setModel(model);
jumpToEnd();
}
public void jumpToEnd() {
int lastEvent = history.getLastId();
int firstEvent = 0; currentSize = SIZE;
if (lastEvent > currentSize) firstEvent = lastEvent - currentSize + 1;
if (lastEvent < currentSize) currentSize = lastEvent + 1;
Logger.msg(5, "HistoryPane.run() - init table start "+firstEvent+" for "+currentSize);
model.setView(firstEvent, currentSize);
}
public void add(C2KLocalObject contents) {
jumpToEnd();
}
public void remove(String id) {
// don't have to deal with this normally
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("end")) {
jumpToEnd();
return;
}
int lastEvent = history.getLastId();
int startEvent = model.getStartId();
if (e.getActionCommand().equals("start")) {
currentSize = SIZE;
startEvent = 0;
}
else if (e.getActionCommand().equals("prev")) {
currentSize = SIZE;
startEvent-=currentSize;
if (startEvent<0) startEvent = 0;
}
else if (e.getActionCommand().equals("next")) {
currentSize = SIZE;
startEvent+=currentSize;
if (startEvent > lastEvent)
startEvent = lastEvent - currentSize +1;
}
else { // unknown action
return;
}
model.setView(startEvent, currentSize);
}
private class HistoryTableModel extends AbstractTableModel {
Event[] event;
Integer[] ids;
int loaded = 0;
int startId = 0;
public HistoryTableModel() {
event = new Event[0];
ids = new Integer[0];
}
public int getStartId() {
return startId;
}
public void setView(int startId, int size) {
event = new Event[size];
ids = new Integer[size];
this.startId = startId;
for (int i=0; i<size; i++) {
event[i] = history.getEvent(startId+i);
ids[i] = new Integer(startId+i);
loaded = i+1;
}
fireTableStructureChanged();
}
/**
* @see javax.swing.table.TableModel#getColumnClass(int)
*/
public Class<?> getColumnClass(int columnIndex) {
switch(columnIndex) {
case 0:
return Integer.class;
default:
return String.class;
}
}
/**
* @see javax.swing.table.TableModel#getColumnCount()
*/
public int getColumnCount() {
return 6;
}
/**
* @see javax.swing.table.TableModel#getColumnName(int)
*/
public String getColumnName(int columnIndex) {
switch(columnIndex) {
case 0: return Language.translate("ID");
case 1: return Language.translate("Activity");
case 2: return Language.translate("Transition");
case 3: return Language.translate("Date");
case 4: return Language.translate("Agent Name");
case 5: return Language.translate("Agent Role");
default: return "";
}
}
/**
* @see javax.swing.table.TableModel#getRowCount()
*/
public int getRowCount() {
return loaded;
}
/**
* @see javax.swing.table.TableModel#getValueAt(int, int)
*/
public Object getValueAt(int rowIndex, int columnIndex) {
if (event.length <= rowIndex || event[rowIndex] == null)
return "";
try {
switch (columnIndex) {
case 0: return ids[rowIndex];
case 1: return event[rowIndex].getStepName();
case 2: return Transitions.getTransitionName(event[rowIndex].getTransition());
case 3: return event[rowIndex].getTimeString();
case 4: return event[rowIndex].getAgentName();
case 5: return event[rowIndex].getAgentRole();
default: return "";
}
} catch (Exception e) {
return null;
}
}
/**
* @see javax.swing.table.TableModel#isCellEditable(int, int)
*/
public boolean isCellEditable(int rowIndex, int columnIndex) {
return false;
}
}
}
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