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[183247] updating element comparer to account for different subsystems

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This commit is contained in:
David McKnight 2007-04-20 15:53:29 +00:00
parent 0df2ceb4ec
commit eb9e3ee4bd
1 changed files with 56 additions and 47 deletions
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103
rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/internal/ui/view/SystemView.java
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@ -385,54 +385,8 @@ ISelectionChangedListener, ITreeViewerListener, ISystemResourceChangeEvents, ISy
busyCursor = new Cursor(shell.getDisplay(), SWT.CURSOR_WAIT); busyCursor = new Cursor(shell.getDisplay(), SWT.CURSOR_WAIT);
setUseHashlookup(true); // new for our 2nd release. Attempt to fix 38 minutes to refresh for 15K elements setUseHashlookup(true); // new for our 2nd release. Attempt to fix 38 minutes to refresh for 15K elements
setComparer(new IElementComparer() setComparer(new ElementComparer());
{
public boolean equals(Object a, Object b)
{
if(a==b) return true;
if(a==null || b==null) return false;
if(a.equals(b)) return true;
ISystemViewElementAdapter identa= null;
if(a instanceof IAdaptable) {
identa = (ISystemViewElementAdapter)
((IAdaptable)a).getAdapter(ISystemViewElementAdapter.class);
}
if(identa != null) {
ISystemViewElementAdapter identb = null;
if(b instanceof IAdaptable) {
identb = (ISystemViewElementAdapter)
((IAdaptable)b).getAdapter(ISystemViewElementAdapter.class);
}
if (identb != null){
if(identa.getAbsoluteName(a).equals(identb.getAbsoluteName(b))) return true;
}
}
return false;
}
public int hashCode(Object element)
{
ISystemViewElementAdapter ident=null;
if(element instanceof IAdaptable) {
ident = (ISystemViewElementAdapter)
((IAdaptable)element).getAdapter(ISystemViewElementAdapter.class);
if(ident!=null) {
String absName = ident.getAbsoluteName(element);
if(absName!=null) return absName.hashCode();
return ident.hashCode();
}
}
if (element != null) // adding check because I hit a null exception here once at startup
return element.hashCode();
else
{
//System.out.println("null element");
return 0;
}
}
});
// set content provider // set content provider
@ -4324,6 +4278,61 @@ ISelectionChangedListener, ITreeViewerListener, ISystemResourceChangeEvents, ISy
} }
} }
protected class ElementComparer implements IElementComparer
{
public boolean equals(Object a, Object b)
{
if(a==b) return true;
if(a==null || b==null) return false;
if(a.equals(b)) return true;
ISystemViewElementAdapter identa= null;
if(a instanceof IAdaptable) {
identa = (ISystemViewElementAdapter)
((IAdaptable)a).getAdapter(ISystemViewElementAdapter.class);
}
if(identa != null) {
ISystemViewElementAdapter identb = null;
if(b instanceof IAdaptable) {
identb = (ISystemViewElementAdapter)
((IAdaptable)b).getAdapter(ISystemViewElementAdapter.class);
}
if (identb != null){
// first need to check subsystems
ISubSystem ssa = identa.getSubSystem(a);
ISubSystem ssb = identb.getSubSystem(b);
if (ssa == ssb) // if the subsystems are the same OR if both are not subsystems (the absolute name will distinguish them)
{
if(identa.getAbsoluteName(a).equals(identb.getAbsoluteName(b))) return true;
}
}
}
return false;
}
public int hashCode(Object element)
{
ISystemViewElementAdapter ident=null;
if(element instanceof IAdaptable) {
ident = (ISystemViewElementAdapter)
((IAdaptable)element).getAdapter(ISystemViewElementAdapter.class);
if(ident!=null) {
String absName = ident.getAbsoluteName(element);
if(absName!=null) return absName.hashCode();
return ident.hashCode();
}
}
if (element != null) // adding check because I hit a null exception here once at startup
return element.hashCode();
else
{
//System.out.println("null element");
return 0;
}
}
}
/** /**
* -------------------------------------------------------------------------------- * --------------------------------------------------------------------------------
* For many actions we have to walk the selection list and examine each selected * For many actions we have to walk the selection list and examine each selected