Add search bar to Unresolved requirements in ResolutionFailedPanel

bndtools.core/src/org/bndtools/core/resolve/ui/ResolutionFailurePanel.java

@@ -9,6 +9,7 @@
 import org.bndtools.core.resolve.ResolutionResult;
 import org.bndtools.core.ui.icons.Icons;
 import org.bndtools.core.ui.resource.RequirementWithResourceLabelProvider;
+import org.bndtools.utils.swt.FilterPanelPart;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.TreeViewer;
@@ -35,6 +36,7 @@
 import org.osgi.service.resolver.ResolutionException;
 
 import biz.aQute.resolve.ResolveProcess;
+import bndtools.Plugin;
 import bndtools.model.obr.SorterComparatorAdapter;
 
 public class ResolutionFailurePanel {
@@ -50,7 +52,13 @@ public class ResolutionFailurePanel {
 	private Section					sectProcessingErrors;
 	private Section					sectUnresolved;
 
+	private UnresolvedRequirementsContentProvider	unresolvedRequirementsContentProvider;
+	private final FilterPanelPart					unresolvedFilterPart	= new FilterPanelPart(Plugin.getDefault()
+		.getScheduler());
+	private static final String						SEARCHSTRING_HINT		= "Enter search string to filter unresolved requirements (Space to separate terms; '*' for partial matches)";
+
 	private static final boolean	failureTreeMode	= true;
+	private RequirementWithResourceLabelProvider	requirementWithResourceLabelProvider;
 
 	public void createControl(final Composite parent) {
 		FormToolkit toolkit = new FormToolkit(parent.getDisplay());
@@ -85,10 +93,18 @@ public void createControl(final Composite parent) {
 		gd.heightHint = 300;
 		sectUnresolved.setLayoutData(gd);
 
+
 		unresolvedViewer = new TreeViewer(treeUnresolved);
-		unresolvedViewer.setContentProvider(new UnresolvedRequirementsContentProvider());
-		unresolvedViewer.setLabelProvider(new RequirementWithResourceLabelProvider());
+
+		requirementWithResourceLabelProvider = new RequirementWithResourceLabelProvider();
+		unresolvedViewer.setLabelProvider(requirementWithResourceLabelProvider);
+		unresolvedRequirementsContentProvider = new UnresolvedRequirementsContentProvider(
+			requirementWithResourceLabelProvider);
+		unresolvedViewer.setContentProvider(unresolvedRequirementsContentProvider);
 		setFailureViewMode();
+
+		addSearchbarForUnresolved();
+
 	}
 
 	public Control getControl() {
@@ -301,4 +317,15 @@ private void appendLabels(Object unresolvedTreeElem, ITreeContentProvider conten
 
 	void dispose() {}
 
+	private void addSearchbarForUnresolved() {
+		Control reqsFilterPanel = unresolvedFilterPart.createControl(composite, 5, 5);
+		unresolvedFilterPart.setHint(SEARCHSTRING_HINT);
+		unresolvedFilterPart.addPropertyChangeListener(event -> {
+			String filter = (String) event.getNewValue();
+
+			unresolvedRequirementsContentProvider.setFilter(filter);
+			unresolvedViewer.refresh();
+		});
+	}
+
 }

bndtools.core/src/org/bndtools/core/resolve/ui/UnresolvedRequirementsContentProvider.java

@@ -1,23 +1,58 @@
 package org.bndtools.core.resolve.ui;
 
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
 
+import org.bndtools.core.ui.resource.RequirementWithResourceLabelProvider;
 import org.eclipse.jface.viewers.ITreeContentProvider;
 import org.eclipse.jface.viewers.Viewer;
+import org.osgi.resource.Requirement;
+
+import aQute.libg.glob.Glob;
 
 public class UnresolvedRequirementsContentProvider implements ITreeContentProvider {
 
+	private String wildcardFilter = null;
+	private RequirementWithResourceLabelProvider	labelProvider;
+
+	public UnresolvedRequirementsContentProvider(RequirementWithResourceLabelProvider labelProvider) {
+		this.labelProvider = labelProvider;
+	}
+
 	@Override
 	public Object[] getElements(Object inputElement) {
+
+		List<Object[]> arrays = new LinkedList<>();
+
 		if (inputElement instanceof Object[])
-			return (Object[]) inputElement;
+			arrays.add((Object[]) inputElement);
 
 		if (inputElement instanceof Collection<?>) {
 			Collection<?> coll = (Collection<?>) inputElement;
-			return coll.toArray();
+			arrays.add(coll.toArray());
 		}
 
-		return null;
+		return filter(flatten(arrays));
+	}
+
+	private Object[] flatten(List<Object[]> arrays) {
+		// Iterate over once to count the lengths
+		int length = 0;
+		for (Object[] array : arrays) {
+			length += array.length;
+		}
+		Object[] result = new Object[length];
+
+		// Iterate again to flatten out the arrays
+		int position = 0;
+		for (Object[] array : arrays) {
+			System.arraycopy(array, 0, result, position, array.length);
+			position += array.length;
+		}
+		return result;
 	}
 
 	@Override
@@ -50,4 +85,42 @@ public boolean hasChildren(Object element) {
 		return false;
 	}
 
+	private Object[] filter(Object[] array) {
+		List<Object> filteredResults = new ArrayList<>();
+		if (wildcardFilter == null || wildcardFilter.equals("*") || wildcardFilter.equals("")) {
+			return array;
+		} else {
+			String[] split = wildcardFilter.split("\\s+");
+			Glob globs[] = new Glob[split.length];
+			for (int i = 0; i < split.length; i++) {
+				globs[i] = new Glob(split[i].toLowerCase());
+			}
+
+			Arrays.stream(array)
+				.forEach(obj -> {
+
+					if (obj instanceof Requirement rw) {
+
+						for (Glob g : globs) {
+							if (g.matcher(labelProvider.getLabel(rw)
+								.toString()
+								.toLowerCase())
+								.find()) {
+								filteredResults.add(obj);
+								return;
+							}
+						}
+					}
+
+				});
+
+		}
+
+		return filteredResults.toArray();
+	}
+
+	public void setFilter(String filter) {
+		this.wildcardFilter = filter;
+	}
+
 }