-
- ExpandBar expandBar = new ExpandBar(composite, SWT.NONE);
-
-
- ExpandItem inlineItem = new ExpandItem(expandBar, SWT.NONE);
- inlineItem.setText("Inline");
- inlineViewer = new ListViewer(expandBar);
- inlineViewer.setLabelProvider(new ComponentLabelProvider());
- inlineViewer.setContentProvider(new ComponentContentProvider());
-
- ExpandItem turnItem = new ExpandItem(expandBar, SWT.NONE);
- turnItem.setText("Turn");
- turnViewer = new ListViewer(expandBar);
- turnViewer.setLabelProvider(new ComponentLabelProvider());
- turnViewer.setContentProvider(new ComponentContentProvider());
-
- ExpandItem endItem = new ExpandItem(expandBar, SWT.NONE);
- endItem.setText("End");
- endViewer = new ListViewer(expandBar);
- endViewer.setLabelProvider(new ComponentLabelProvider());
- endViewer.setContentProvider(new ComponentContentProvider());
-
-
- inlineItem.setControl(inlineViewer.getList());
- turnItem.setControl(turnViewer.getList());
- endItem.setControl(endViewer.getList());
-
- inlineViewer.setInput(inlines);
- turnViewer.setInput(turns);
- endViewer.setInput(ends);
-
- inlineItem.setHeight(inlineViewer.getList().computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
- turnItem.setHeight(turnViewer.getList().computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
- endItem.setHeight(endViewer.getList().computeSize(SWT.DEFAULT, SWT.DEFAULT).y);
-
- inlineViewer.addSelectionChangedListener(this);
- turnViewer.addSelectionChangedListener(this);
- endViewer.addSelectionChangedListener(this);
-
+
+ ExpandBar expandBar = new ExpandBar(composite, SWT.V_SCROLL);
+
+ if (!inlines.isEmpty()) {
+ inlineViewer = createItemList(expandBar, inlines, "Inline");
+ }
+
+ // Only allow elbows and ends to be added to open ends of the pipelines
+ boolean isOpen = component.getNext() == null || component.getPrevious() == null;
+ if (isOpen) {
+ if (!turns.isEmpty()) {
+ turnViewer = createItemList(expandBar, turns, "Elbow");
+ }
+
+ if (!ends.isEmpty()) {
+ turnViewer = createItemList(expandBar, ends, "End");
+ }
+ }
+