/**
* Callback that is invoked when a property in the compare configuration ( {@link
* #getCompareConfiguration()} changes.
*
* @param event the property change event
* @since 3.3
*/
protected void handlePropertyChangeEvent(PropertyChangeEvent event) {
String key = event.getProperty();
if (key.equals(ICompareUIConstants.PROP_ANCESTOR_VISIBLE)) {
fAncestorVisible =
Utilities.getBoolean(
getCompareConfiguration(),
ICompareUIConstants.PROP_ANCESTOR_VISIBLE,
fAncestorVisible);
fComposite.layout(true);
updateCursor(fLeftLabel, VERTICAL);
updateCursor(fDirectionLabel, HORIZONTAL | VERTICAL);
updateCursor(fRightLabel, VERTICAL);
return;
}
if (key.equals(ICompareUIConstants.PROP_IGNORE_ANCESTOR)) {
setAncestorVisibility(
false,
!Utilities.getBoolean(
getCompareConfiguration(), ICompareUIConstants.PROP_IGNORE_ANCESTOR, false));
return;
}
}
private void internalRefresh(Object input) {
IMergeViewerContentProvider content = getMergeContentProvider();
if (content == null) {
return;
}
Object ancestor = content.getAncestorContent(input);
boolean oldFlag = fIsThreeWay;
if (Utilities.isHunk(input)) {
fIsThreeWay = true;
} else if (input instanceof ICompareInput)
fIsThreeWay = (((ICompareInput) input).getKind() & Differencer.DIRECTION_MASK) != 0;
else fIsThreeWay = ancestor != null;
if (fAncestorItem != null) fAncestorItem.setVisible(fIsThreeWay);
if (fAncestorVisible && oldFlag != fIsThreeWay) fComposite.layout(true);
Object left = content.getLeftContent(input);
Object right = content.getRightContent(input);
updateContent(ancestor, left, right);
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=453799
// Content provider may be disposed after call to updateContent()
content = getMergeContentProvider();
if (content == null) {
return;
}
updateHeader();
ToolBarManager tbm = CompareViewerPane.getToolBarManager(fComposite.getParent());
if (tbm != null) {
updateToolItems();
tbm.update(true);
tbm.getControl().getParent().layout(true);
}
}