/**
* Implementation of callback from layout algorithm. This method is called once for each revision
* or branch marker to be added to the view.
*
* @see net.sf.versiontree.layout.drawer.IDrawMethod#draw(net.sf.versiontree.data.ITreeElement,
* int, int)
*/
public void draw(ITreeElement element, int x, int y) {
if (element instanceof IRevision) {
Revision revision = new Revision(connectors, 0);
revision.setRevisionData((IRevision) element);
revision.addMouseListener(this);
revision.setMenu(this.getMenu());
revision.setLocation(BORDER + x * (width + hspacing), BORDER + y * (height + vspacing));
revision.setSize(revision.computeSize(SWT.DEFAULT, SWT.DEFAULT));
// check if this is the current revision
if ((revision.getRevisionData().getState() & ITreeElement.STATE_CURRENT) != 0) {
currentRevision = revision;
selectionManager.revisionSelected(currentRevision.getRevisionData(), 1);
logSelectionListener.logEntrySelected(currentRevision.getRevisionData().getLogEntry());
}
} else {
Branch branch = new Branch(connectors, 0);
branch.setBranchData(((IBranch) element));
branch.addMouseListener(this);
branch.setLocation(BORDER + x * (width + hspacing), BORDER + y * (height + vspacing));
branch.setSize(branch.computeSize(SWT.DEFAULT, SWT.DEFAULT));
}
}
/**
* Listener for all components on the view. Checks for left clicks on Revisions, changes the
* selection and notifies the LogEntrySelectionListener.
*/
public void mouseDown(MouseEvent e) {
if (e.getSource() instanceof Revision) {
Revision selected = (Revision) e.getSource();
// exit if user wants to open contex menu on
// a already selected revision
if (e.button == 3 && selected.isSelected()) {
return;
}
selectionManager.revisionSelected(selected.getRevisionData(), e.stateMask);
redrawAll();
// notify listener
if (selected.isSelected()) {
logSelectionListener.logEntrySelected(selected.getRevisionData().getLogEntry());
}
} else if (e.getSource() instanceof Branch) {
Branch selected = (Branch) e.getSource();
List<IRevision> revisions = selected.getBranchData().getRevisions();
if (revisions.size() > 0) {
selectionManager.branchSelected(revisions, e.stateMask);
redrawAll();
}
}
}