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Code Issues Wiki Activity

[fix] New connection wizard selection page filtering now allows use of org.eclipse.jface.viewer.ViewerFilter

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This commit is contained in:
Uwe Stieber 2007-03-05 15:36:21 +00:00
parent 5c085bc55f
commit 7402ada104
1 changed files with 19 additions and 3 deletions
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22
rse/plugins/org.eclipse.rse.ui/UI/org/eclipse/rse/ui/wizards/newconnection/RSENewConnectionWizardSelectionPage.java
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@ -56,6 +56,13 @@ import org.eclipse.ui.dialogs.PatternFilter;
/**
* The New Connection Wizard main page that allows selection of system type.
* <p>
* <b>Note:</b> The page allows filtering of the presented wizard list by adapting
* the associated system type to<br>
* <ul>
* <li><code>org.eclipse.rse.ui.RSESystemTypeAdapter</code>: calling <code>RSESystemTypeAdapter.isEnabled(...)</code> and</li>
* <li><code>org.eclipse.jface.viewers.ViewerFilter</code>: calling <code>ViewerFilter.select(...)</code>.
* </ul>
*/
public class RSENewConnectionWizardSelectionPage extends WizardPage {
private final String helpId = RSEUIPlugin.HELPPREFIX + "wncc0000"; //$NON-NLS-1$;
@ -72,7 +79,7 @@ public class RSENewConnectionWizardSelectionPage extends WizardPage {
/**
* Internal class. The wizard state filter is responsible to filter
* out any not enabled wizard from the tree.
* out any not enabled or filtered wizard from the tree.
*/
private class NewConnectionWizardStateFilter extends ViewerFilter {
@ -96,12 +103,21 @@ public class RSENewConnectionWizardSelectionPage extends WizardPage {
if (!Arrays.asList(restricted).contains(systemType)) return false;
}
// first check if the system type is enabled at all.
RSESystemTypeAdapter adapter = (RSESystemTypeAdapter)(systemType.getAdapter(IRSESystemType.class));
if (adapter != null) {
return adapter.isEnabled(systemType);
if (adapter != null && !adapter.isEnabled(systemType)) {
return false;
}
// second, adapt the system type to a viewer filter and pass on the select request
// to the viewer filter adapter if available
ViewerFilter filter = (ViewerFilter)(systemType.getAdapter(ViewerFilter.class));
if (filter != null && !filter.select(viewer, parentElement, element)) {
return false;
}
}
// In all other cases, the element passes the filter
return true;
}
}