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package org.cristalise.gui.tabs;
import java.awt.GridBagConstraints;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.ArrayList;
import java.util.Iterator;
import javax.swing.Box;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import org.cristalise.gui.MainFrame;
import org.cristalise.gui.tabs.execution.ActivityItem;
import org.cristalise.gui.tabs.execution.ActivityViewer;
import org.cristalise.kernel.entity.agent.Job;
import org.cristalise.kernel.entity.proxy.MemberSubscription;
import org.cristalise.kernel.entity.proxy.ProxyObserver;
import org.cristalise.kernel.lifecycle.instance.Workflow;
import org.cristalise.kernel.persistency.ClusterStorage;
import org.cristalise.kernel.utils.Language;
import org.cristalise.kernel.utils.Logger;
public class ExecutionPane extends ItemTabPane implements ProxyObserver<Workflow> {
ArrayList<Job> jobList = null;
Object jobLock = new Object();
ActivityItem emptyAct = new ActivityItem();
JLabel noActs = new JLabel(Language.translate("There are currently no activities that you can execute in this item."));
JPanel view = new JPanel(new GridLayout(1, 1));
ActivityViewer currentActView;
JComboBox activitySelector = new JComboBox();
Box activityBox = Box.createHorizontalBox();
String selAct = null;
ArrayList<ActivityItem> activities;
String autoRun = null;
boolean init = false;
boolean formIsActive = false;
public ExecutionPane() {
super("Execution", "Activity Execution");
super.initPanel();
// add view panel
c = new GridBagConstraints();
c.gridx = 0; c.gridy = 1; c.weightx = 1.0; c.weighty = 2.0;
c.insets = new Insets(5, 5, 5, 5);
c.anchor = GridBagConstraints.CENTER;
c.fill = GridBagConstraints.BOTH;
gridbag.setConstraints(view, c);
add(view);
// create activity selection box
activityBox.add(new JLabel(Language.translate("Select Activity") + ": "));
activityBox.add(Box.createHorizontalStrut(5));
activitySelector.setEditable(false);
activityBox.add(activitySelector);
activitySelector.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent selection) {
if (selection.getStateChange() == ItemEvent.SELECTED) {
selectActivity(selection.getItem());
}
}
});
}
@Override
public void run() {
Thread.currentThread().setName("Execution Pane Builder");
sourceItem.getItem().subscribe(new MemberSubscription<Workflow>(this, ClusterStorage.LIFECYCLE, false));
loadJobList();
init = true;
if (autoRun != null) {
runCommand(autoRun);
autoRun = null;
}
}
private void loadJobList() {
synchronized (jobLock) {
activitySelector.removeAllItems();
view.removeAll();
activities = new ArrayList<ActivityItem>();
try {
jobList = (sourceItem.getItem()).getJobList(MainFrame.userAgent);
activitySelector.addItem(emptyAct);
for (Job thisJob : jobList) {
//Logger.msg(7, "ExecutionPane - loadJobList " + thisJob.hasOutcome() + "|" + thisJob.getSchemaName() + "|" + thisJob.getSchemaVersion() + "|");
ActivityItem newAct = new ActivityItem(thisJob);
if (activities.contains(newAct)) {
int actIndex = activities.indexOf(newAct);
activities.get(actIndex).addJob(thisJob);
} else {
Logger.msg(2, "ExecutionPane - Adding activity " + thisJob.getStepPath());
addActivity(newAct);
}
}
} catch (Exception e) {
Logger.error("Error fetching joblist");
Logger.error(e);
}
switch (activities.size()) {
case 0 :
view.add(noActs);
break;
case 1 :
currentActView = new ActivityViewer(activities.get(0), sourceItem.getItem(), this);
c.fill = GridBagConstraints.BOTH;
gridbag.setConstraints(view, c);
view.add(currentActView);
currentActView.init();
break;
default :
c.fill = GridBagConstraints.HORIZONTAL;
gridbag.setConstraints(view, c);
view.add(activityBox);
}
}
revalidate();
updateUI();
}
@Override
public void reload() {
loadJobList();
}
private void addActivity(ActivityItem newAct) {
if (activities.contains(newAct)) {
Logger.msg(6, "ExecutionPane.addActivity(): Already in " + newAct.getStepPath());
int actIndex = activities.indexOf(newAct);
activitySelector.removeItemAt(actIndex);
activitySelector.insertItemAt(newAct, actIndex);
activities.set(actIndex, newAct);
} else {
Logger.msg(6, "ExecutionPane.addActivity(): New " + newAct.getStepPath());
activities.add(newAct);
activitySelector.addItem(newAct);
}
}
private void selectActivity(Object selObj) {
if (selObj.equals(emptyAct))
return;
view.removeAll();
c.fill = GridBagConstraints.BOTH;
gridbag.setConstraints(view, c);
currentActView = new ActivityViewer((ActivityItem)selObj, sourceItem.getItem(), this);
view.add(currentActView);
revalidate();
updateUI();
currentActView.init();
}
@Override
public void runCommand(String command) {
if (init) {
for (ActivityItem act : activities) {
if (act.name.equals(command)) {
selectActivity(act);
}
}
} else
autoRun = command;
}
/**
* when the workflow changes, reload this pane.
*/
@Override
public void add(Workflow contents) {
if (!formIsActive)
reload();
else { // look to see if this form is now invalid
// get the new joblist
try {
jobList = (sourceItem.getItem()).getJobList(MainFrame.userAgent);
} catch (Exception ex) {
return;
}
// compare to currently editing jobs
ArrayList<?> currentActJobs = currentActView.getActivity().getJobs();
boolean allValid = true;
for (Iterator<?> iter = currentActJobs.iterator(); iter.hasNext() && allValid;) {
Job thisJob = (Job)iter.next();
boolean stillValid = false;
for (Job newJob : jobList) {
if (thisJob.equals(newJob)) {
stillValid = true;
break;
}
}
allValid &= stillValid;
}
if (!allValid) { // not all transitions are now valid
reload(); // refresh the execution pane
}
}
}
/**
* Not pertinent for this one
*/
@Override
public void remove(String id) {
}
@Override
public void control(String control, String msg) {
// TODO Auto-generated method stub
}
}
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