public void printActivities() {
// clear table
int currentRow = 0;
view.getTableModel().setRowCount(currentRow);
Iterator<Activity> iter = activities.iterator();
while (iter.hasNext()) {
Activity a = iter.next();
// print succ's and pred's
Iterator<Activity> relationsIter = a.getPredecessors().iterator();
String predecessors = "";
while (relationsIter.hasNext()) {
predecessors += relationsIter.next().getName() + " ";
}
// get start and end
Calendar calStart = a.getStartDate();
Calendar calEnd = a.getEndDate();
String start, end;
if (calStart == null || calEnd == null) {
start = "-";
end = "-";
} else {
start =
calStart.get(Calendar.DAY_OF_MONTH)
+ "/"
+ (calStart.get(Calendar.MONTH) + 1)
+ "/"
+ calStart.get(Calendar.YEAR);
end =
calEnd.get(Calendar.DAY_OF_MONTH)
+ "/"
+ (calEnd.get(Calendar.MONTH) + 1)
+ "/"
+ calEnd.get(Calendar.YEAR);
}
// build Gantt for current activity
String ganttLine = "";
if ("START".equals(a.getName())) {
for (int t = 1; t <= this.length; t++) {
if (t % 5 == 0) ganttLine += "'";
else ganttLine += " ";
}
} else {
for (int t = 0; t < this.length; t++) {
if (t >= a.getStartDay() && t < a.getStartDay() + a.getDuration()) ganttLine += "X";
else ganttLine += " ";
}
}
// print row
view.getTableModel()
.addRow(new Object[] {a.getName(), a.getDuration(), start, end, predecessors, ganttLine});
for (int i = 0;
i < this.getMaxNumOfResources()
&& (i + view.getColumnOffset()) < view.getTableModel().getColumnCount();
i++) {
view.getTableModel().setValueAt(a.getResource(i), currentRow, i + view.getColumnOffset());
}
currentRow++;
}
}
public void deleteActivityByName(String activityName) {
Activity current = getActivityByName(activityName);
if (current != null) {
// delete successor references
Iterator<Activity> predIter = current.getPredecessors().iterator();
while (predIter.hasNext()) {
predIter.next().getSuccessors().remove(current);
}
// delete predecessor references
Iterator<Activity> succIter = current.getSuccessors().iterator();
while (succIter.hasNext()) {
succIter.next().getPredecessors().remove(current);
}
// delete element
activities.remove(current);
}
}
public void updatePredecessors(Activity a, String[] newPreds) {
List<Activity> oldPreds = new ArrayList<Activity>(a.getPredecessors());
for (int i = 0; i < newPreds.length; i++) {
if (a.inList(oldPreds, newPreds[i])) {
// no update
oldPreds.remove(this.getActivityByName(newPreds[i]));
} else {
// add new arcs
addArc(newPreds[i], a.getName());
}
}
Iterator<Activity> it = oldPreds.iterator();
while (it.hasNext()) {
// delete old arcs
removeArc(it.next().getName(), a.getName());
}
// if no predecessors entered then add START
if (newPreds.length == 0 && !a.getName().equals("START")) {
addArc("START", a.getName());
}
}