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Patch for Devin Steffler re: DOMAST View.

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I finally figured out how to refresh the TreeViewer in a manner that will let me determine programmatically what tree nodes to expand.
So now after a refresh, if a treenode has the same offset (via getOffset) and toString() then it is expanded.
This commit is contained in:
John Camelon 2005-02-07 14:11:24 +00:00
parent 6c526dff10
commit 0167673957
1 changed files with 22 additions and 3 deletions
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25
core/org.eclipse.cdt.ui.tests/src/org/eclipse/cdt/ui/tests/DOMAST/DOMAST.java
View file

@ -79,6 +79,8 @@ import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorReference;
@ -471,14 +473,31 @@ public class DOMAST extends ViewPart {
loadActiveEditorAction.setImageDescriptor(DOMASTPluginImages.DESC_DEFAULT);
refreshAction = new Action() {
private void expandTreeIfNecessary(TreeItem[] tree, Object[] expanded) {
for( int i=0; i<tree.length; i++) {
for( int j=0; j<expanded.length; j++) {
if (expanded[j] instanceof TreeObject &&
tree[i].getData() instanceof TreeObject &&
((TreeObject)expanded[j]).toString().equals(((TreeObject)tree[i].getData()).toString()) &&
((TreeObject)expanded[j]).getOffset() == (((TreeObject)tree[i].getData()).getOffset())) {
tree[i].setExpanded(true);
viewer.refresh();
expandTreeIfNecessary(tree[i].getItems(), expanded);
}
}
}
}
public void run() {
// TODO take a snapshot of the tree expansion
// take a snapshot of the tree expansion
Object[] expanded = viewer.getExpandedElements();
// set the new content provider
setContentProvider(new ViewContentProvider(file));
// TODO set the expansion of the view based on the original snapshot (educated guess)
// set the expansion of the view based on the original snapshot (educated guess)
Tree tree = viewer.getTree();
expandTreeIfNecessary(tree.getItems(), expanded);
}
};