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Diffstat (limited to 'bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/provisional/p2/ui/dialogs/AvailableIUGroup.java')
-rw-r--r--bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/provisional/p2/ui/dialogs/AvailableIUGroup.java141
1 files changed, 125 insertions, 16 deletions
diff --git a/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/provisional/p2/ui/dialogs/AvailableIUGroup.java b/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/provisional/p2/ui/dialogs/AvailableIUGroup.java
index 53ce08b4e..059e42cdc 100644
--- a/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/provisional/p2/ui/dialogs/AvailableIUGroup.java
+++ b/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/provisional/p2/ui/dialogs/AvailableIUGroup.java
@@ -11,6 +11,9 @@
package org.eclipse.equinox.internal.provisional.p2.ui.dialogs;
import java.net.URL;
+import java.util.*;
+import java.util.List;
+import org.eclipse.core.runtime.ListenerList;
import org.eclipse.equinox.internal.p2.ui.ProvUIActivator;
import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
import org.eclipse.equinox.internal.p2.ui.dialogs.DeferredFetchFilteredTree;
@@ -48,6 +51,99 @@ import org.eclipse.ui.statushandlers.StatusManager;
*/
public class AvailableIUGroup extends StructuredIUGroup {
+ class CheckSelectionProvider implements ISelectionProvider, ICheckStateListener {
+
+ CheckboxTreeViewer checkboxViewer;
+ private ListenerList listeners = new ListenerList();
+ List checkedNotGrayed;
+
+ CheckSelectionProvider(CheckboxTreeViewer v) {
+ this.checkboxViewer = v;
+ v.addCheckStateListener(this);
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.jface.viewers.ISelectionProvider#addSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener)
+ */
+ public void addSelectionChangedListener(ISelectionChangedListener listener) {
+ listeners.add(listener);
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.jface.viewers.ISelectionProvider#getSelection()
+ */
+ public ISelection getSelection() {
+ return new IStructuredSelection() {
+ public Object getFirstElement() {
+ if (size() == 0)
+ return null;
+ return toList().get(0);
+ }
+
+ public Iterator iterator() {
+ return toList().iterator();
+ }
+
+ public int size() {
+ return toList().size();
+ }
+
+ public Object[] toArray() {
+ return toList().toArray();
+ }
+
+ public List toList() {
+ return getCheckedNotGrayed();
+ }
+
+ public boolean isEmpty() {
+ return toList().isEmpty();
+ }
+
+ };
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.jface.viewers.ISelectionProvider#removeSelectionChangedListener(org.eclipse.jface.viewers.ISelectionChangedListener)
+ */
+ public void removeSelectionChangedListener(ISelectionChangedListener listener) {
+ listeners.remove(listener);
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.jface.viewers.ISelectionProvider#setSelection(org.eclipse.jface.viewers.ISelection)
+ */
+ public void setSelection(ISelection selection) {
+ if (selection instanceof IStructuredSelection) {
+ checkboxViewer.setCheckedElements(((IStructuredSelection) selection).toArray());
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see org.eclipse.jface.viewers.ICheckStateListener#checkStateChanged(org.eclipse.jface.viewers.CheckStateChangedEvent)
+ */
+ public void checkStateChanged(CheckStateChangedEvent event) {
+ final Object[] listenerArray = listeners.getListeners();
+ checkedNotGrayed = null;
+ SelectionChangedEvent selectionEvent = new SelectionChangedEvent(this, this.getSelection());
+ for (int i = 0; i < listenerArray.length; i++) {
+ ((ISelectionChangedListener) listenerArray[i]).selectionChanged(selectionEvent);
+ }
+ }
+
+ List getCheckedNotGrayed() {
+ if (checkedNotGrayed == null) {
+ Object[] checked = checkboxViewer.getCheckedElements();
+ checkedNotGrayed = new ArrayList(checked.length);
+ for (int i = 0; i < checked.length; i++)
+ if (!checkboxViewer.getGrayed(checked[i]))
+ checkedNotGrayed.add(checked[i]);
+ }
+ return checkedNotGrayed;
+
+ }
+ }
+
QueryContext queryContext;
// We restrict the type of the filter used because PatternFilter does
// unnecessary accesses of children that cause problems with the deferred
@@ -55,16 +151,18 @@ public class AvailableIUGroup extends StructuredIUGroup {
AvailableIUPatternFilter filter;
private IViewMenuProvider menuProvider;
private boolean useBold = false;
+ private boolean useCheckboxes = false;
private IUDetailsLabelProvider labelProvider;
private Display display;
boolean ignoreEvent = false;
DeferredFetchFilteredTree filteredTree;
IUColumnConfig[] columnConfig;
private int refreshRepoFlags = IMetadataRepositoryManager.REPOSITORIES_NON_SYSTEM;
+ ISelectionProvider selectionProvider;
/**
* Create a group that represents the available IU's but does not use any of the
- * view menu or filtering capabilities.
+ * view menu or check box capabilities.
*
* @param parent the parent composite for the group
* @param queryProvider the query provider that defines the queries used
@@ -75,7 +173,7 @@ public class AvailableIUGroup extends StructuredIUGroup {
* including information about which repositories should be used.
*/
public AvailableIUGroup(final Composite parent, IQueryProvider queryProvider, Font font, ProvisioningContext context) {
- this(parent, queryProvider, font, context, null, null, ProvUI.getIUColumnConfig(), null);
+ this(parent, queryProvider, font, context, null, null, ProvUI.getIUColumnConfig(), null, false);
}
/**
@@ -96,13 +194,17 @@ public class AvailableIUGroup extends StructuredIUGroup {
* will be used.
* @param menuProvider the IMenuProvider that fills the view menu. If <code>null</code>,
* then there is no view menu shown.
+ * @param useCheckboxes a boolean indicating whether a checkbox selection model should be
+ * used. If <code>true</code>, a check box selection model will be used and the group's
+ * implementation of ISelectionProvider will use the checks as the selection.
*/
- public AvailableIUGroup(final Composite parent, IQueryProvider queryProvider, Font font, ProvisioningContext context, QueryContext queryContext, AvailableIUPatternFilter filter, IUColumnConfig[] columnConfig, IViewMenuProvider menuProvider) {
+ public AvailableIUGroup(final Composite parent, IQueryProvider queryProvider, Font font, ProvisioningContext context, QueryContext queryContext, AvailableIUPatternFilter filter, IUColumnConfig[] columnConfig, IViewMenuProvider menuProvider, boolean useCheckboxes) {
super(parent, queryProvider, font, context);
this.display = parent.getDisplay();
this.queryContext = queryContext;
this.filter = filter;
this.menuProvider = menuProvider;
+ this.useCheckboxes = useCheckboxes;
if (columnConfig == null)
this.columnConfig = ProvUI.getIUColumnConfig();
else
@@ -116,8 +218,12 @@ public class AvailableIUGroup extends StructuredIUGroup {
protected StructuredViewer createViewer(Composite parent) {
// Table of available IU's
- filteredTree = new DeferredFetchFilteredTree(parent, SWT.MULTI | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER, filter, menuProvider, parent.getDisplay());
+ filteredTree = new DeferredFetchFilteredTree(parent, SWT.MULTI | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER, filter, menuProvider, parent.getDisplay(), useCheckboxes);
final TreeViewer availableIUViewer = filteredTree.getViewer();
+ if (availableIUViewer instanceof CheckboxTreeViewer)
+ selectionProvider = new CheckSelectionProvider((CheckboxTreeViewer) availableIUViewer);
+ else
+ selectionProvider = availableIUViewer;
labelProvider = new IUDetailsLabelProvider(filteredTree, columnConfig, getShell());
labelProvider.setUseBoldFontForFilteredItems(useBold);
@@ -191,13 +297,13 @@ public class AvailableIUGroup extends StructuredIUGroup {
*/
public void setQueryContext(QueryContext context) {
this.queryContext = context;
- if (getStructuredViewer() == null)
+ if (viewer == null)
return;
- Object input = getStructuredViewer().getInput();
+ Object input = viewer.getInput();
if (input instanceof QueriedElement) {
((QueriedElement) input).setQueryContext(context);
- getStructuredViewer().refresh();
+ viewer.refresh();
}
}
@@ -241,9 +347,9 @@ public class AvailableIUGroup extends StructuredIUGroup {
}
public Tree getTree() {
- if (getStructuredViewer() == null)
+ if (viewer == null)
return null;
- return ((TreeViewer) getStructuredViewer()).getTree();
+ return ((TreeViewer) viewer).getTree();
}
/**
@@ -257,9 +363,8 @@ public class AvailableIUGroup extends StructuredIUGroup {
else
op = new RefreshMetadataRepositoriesOperation(ProvUIMessages.AvailableIUGroup_RefreshOperationLabel, urls);
ProvisioningOperationRunner.schedule(op, getShell(), StatusManager.SHOW | StatusManager.LOG);
- StructuredViewer v = getStructuredViewer();
- if (v != null && !v.getControl().isDisposed())
- v.setInput(getNewInput());
+ if (viewer != null && !viewer.getControl().isDisposed())
+ viewer.setInput(getNewInput());
}
/*
@@ -279,19 +384,19 @@ public class AvailableIUGroup extends StructuredIUGroup {
}
display.asyncExec(new Runnable() {
public void run() {
- final TreeViewer viewer = filteredTree.getViewer();
+ final TreeViewer treeViewer = filteredTree.getViewer();
IWorkbench workbench = PlatformUI.getWorkbench();
if (workbench.isClosing())
return;
- viewer.refresh();
- final Tree tree = viewer.getTree();
+ treeViewer.refresh();
+ final Tree tree = treeViewer.getTree();
if (tree != null && !tree.isDisposed()) {
TreeItem[] items = tree.getItems();
for (int i = 0; i < items.length; i++) {
if (items[i].getData() instanceof IRepositoryElement) {
URL url = ((IRepositoryElement) items[i].getData()).getLocation();
if (url.toExternalForm().equals(location.toExternalForm())) {
- viewer.expandToLevel(items[i].getData(), AbstractTreeViewer.ALL_LEVELS);
+ treeViewer.expandToLevel(items[i].getData(), AbstractTreeViewer.ALL_LEVELS);
tree.select(items[i]);
return;
}
@@ -301,4 +406,8 @@ public class AvailableIUGroup extends StructuredIUGroup {
}
});
}
+
+ public ISelectionProvider getCheckMappingSelectionProvider() {
+ return selectionProvider;
+ }
}

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