public void keyPressed(KeyEvent e) {
IStructuredSelection s = (IStructuredSelection) getSelection();
switch (e.keyCode) {
case SWT.CR:
if (isHierarchical()) {
if (s.size() == 1) {
TagTreeItem selected = (TagTreeItem) s.getFirstElement();
if (selected.hasChildren()) {
viewer.setInput(selected);
refresh();
}
}
}
break;
case SWT.BS:
if (isHierarchical()) {
TagTreeItem current = (TagTreeItem) viewer.getInput();
if (current.getParent() != null) {
viewer.setInput(current.getParent());
refresh();
}
}
break;
}
}
public Color getForeground(Object element) {
if (element instanceof TagTreeItem) {
TagTreeItem tti = (TagTreeItem) element;
if (tti.hasChildren()) {
return Display.getCurrent().getSystemColor(SWT.COLOR_DARK_CYAN);
}
}
return null;
}
public void mouseDoubleClick(MouseEvent e) {
if (e.button == 1) {
CloudItem item = viewer.getCloud().findItemAt(e.x, e.y);
TagTreeItem treeItem = (TagTreeItem) item.getData();
if (treeItem.hasChildren()) {
viewer.setInput(treeItem);
refresh();
}
}
}
public String getText(Object element) {
String text = "";
if (element instanceof TagTreeItem) {
TagTreeItem tti = (TagTreeItem) element;
text = tti.getName();
if (isHierarchical()) {
int dot = text.lastIndexOf('.');
if (dot > 0 && dot < text.length() - 1) {
text = text.substring(dot + 1);
}
}
text += "(" + tti.getWaypointCount() + ")";
if (tti.hasChildren()) {
text += "+";
}
}
return text;
}
