allow skipping projection regions in "Collapse/Expand all" actions

bundles/org.eclipse.jface.text/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.jface.text
-Bundle-Version: 3.31.100.qualifier
+Bundle-Version: 3.32.0.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Export-Package: 

bundles/org.eclipse.jface.text/projection/org/eclipse/jface/text/source/projection/ProjectionAnnotation.java

@@ -158,6 +158,27 @@ private void initializeImages(Display display) {
 		}
 	}
 
+	/**
+	 * Whether this annotation should be included in the "Collapse All" action of the editor.
+	 *
+	 * @return {@code true} if the annotation participates in "Collapse All" actions
+	 * @since 3.32
+	 */
+	protected boolean includeInCollapseAll() {
+		return true;
+	}
+
+	/**
+	 * Whether this annotation should be included in the "Expand All" action of the editor.
+	 *
+	 * @return {@code true} if this annotation participates in "Expand All" actions
+	 * @since 3.32
+	 */
+	protected boolean includeInExpandAll() {
+		return true;
+	}
+
+
 	/**
 	 * Returns the state of this annotation.
 	 *

bundles/org.eclipse.jface.text/projection/org/eclipse/jface/text/source/projection/ProjectionAnnotationModel.java

@@ -116,7 +116,7 @@ public boolean collapseAll(int offset, int length) {
 		Iterator<Annotation> iterator= getAnnotationIterator();
 		while (iterator.hasNext()) {
 			ProjectionAnnotation annotation= (ProjectionAnnotation) iterator.next();
-			if (!annotation.isCollapsed()) {
+			if (!annotation.isCollapsed() && annotation.includeInCollapseAll()) {
 				Position position= getPosition(annotation);
 				if (position != null && position.overlapsWith(offset, length) /* || is a delete at the boundary */ ) {
 					annotation.markCollapsed();
@@ -154,7 +154,7 @@ protected boolean expandAll(int offset, int length, boolean fireModelChanged) {
 		Iterator<Annotation> iterator= getAnnotationIterator();
 		while (iterator.hasNext()) {
 			ProjectionAnnotation annotation= (ProjectionAnnotation) iterator.next();
-			if (annotation.isCollapsed()) {
+			if (annotation.isCollapsed() && annotation.includeInExpandAll()) {
 				Position position= getPosition(annotation);
 				if (position != null && position.overlapsWith(offset, length) /* || is a delete at the boundary */ ) {
 					annotation.markExpanded();