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Code Issues Wiki Activity

[168870][refactor] stage 4, created RSEPreferencesManager and moved SystemPreferencesManager from core to ui package.

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This commit is contained in:
Martin Oberhuber 2007-02-19 15:07:13 +00:00
parent e776940237
commit c853fcc372
1 changed files with 52 additions and 3 deletions
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55
rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemView.java
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@ -15,6 +15,7 @@
* Tobias Schwarz (Wind River) - Fix 166343 getChildCount() counts invalid items
* Martin Oberhuber (Wind River) - Improve fix for 166343 getChildCount()
* Uwe Stieber (Wind River) - [172492] Use SafeTreeViewer
* David Dykstal (IBM) - moved SystemPreferencesManager to a new package
********************************************************************************/
package org.eclipse.rse.internal.ui.view;
@ -43,6 +44,7 @@ import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IBasicPropertyConstants;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelDecorator;
import org.eclipse.jface.viewers.ISelection;
@ -50,15 +52,16 @@ import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.ITreePathContentProvider;
import org.eclipse.jface.viewers.ITreeViewerListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeExpansionEvent;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jface.window.SameShellProvider;
import org.eclipse.rse.core.SystemAdapterHelpers;
import org.eclipse.rse.core.SystemBasePlugin;
import org.eclipse.rse.core.SystemPreferencesManager;
import org.eclipse.rse.core.filters.ISystemFilter;
import org.eclipse.rse.core.filters.ISystemFilterContainer;
import org.eclipse.rse.core.filters.ISystemFilterContainerReference;
@ -94,6 +97,7 @@ import org.eclipse.rse.ui.ISystemMessages;
import org.eclipse.rse.ui.ISystemRenameTarget;
import org.eclipse.rse.ui.RSEUIPlugin;
import org.eclipse.rse.ui.SystemMenuManager;
import org.eclipse.rse.ui.SystemPreferencesManager;
import org.eclipse.rse.ui.SystemResources;
import org.eclipse.rse.ui.actions.ISystemAction;
import org.eclipse.rse.ui.actions.SystemCascadingGoToAction;
@ -1888,7 +1892,7 @@ public class SystemView extends SafeTreeViewer implements ISystemTree, ISystemRe
Object element = i.next();
ISystemViewElementAdapter adapter = _originatingViewer.getAdapter(element);
if ((parentElementItem == null) && (adapter != null) && (!adapter.hasChildren(element))) {
if ((parentElementItem == null) && (adapter != null) && (!adapter.hasChildren((IAdaptable)element))) {
//parentItem = getParentItem((Item)findItem(element));
parentItem = getParentItem(items[itemIdx]);
if ((parentItem != null) && (parentItem instanceof Item)) parentElementItem = (Item) parentItem; //.getData();
@ -5428,4 +5432,49 @@ public class SystemView extends SafeTreeViewer implements ISystemTree, ISystemRe
}
}
}
/**
* Override to pass context into hasChildren()
*
*/
public boolean isExpandable(Object elementOrTreePath) {
Object element;
TreePath path;
if (elementOrTreePath instanceof TreePath) {
path = (TreePath) elementOrTreePath;
element = path.getLastSegment();
} else {
element = elementOrTreePath;
path = null;
}
IContentProvider cp = getContentProvider();
if (cp instanceof ITreePathContentProvider) {
ITreePathContentProvider tpcp = (ITreePathContentProvider) cp;
if (path == null) {
// A path was not provided so try and find one
Widget w = findItem(element);
if (w instanceof Item) {
Item item = (Item) w;
path = getTreePathFromItem(item);
}
if (path == null) {
path = new TreePath(new Object[] { element });
}
}
return tpcp.hasChildren(path);
}
if (cp instanceof ITreeContentProvider)
{
ITreeContentProvider tcp = (ITreeContentProvider) cp;
if (elementOrTreePath instanceof TreeItem)
{
IContextObject context = getContextObject((TreeItem)elementOrTreePath);
return tcp.hasChildren(context);
}
else
{
return tcp.hasChildren(element);
}
}
return false;
}
}