eclipse-platform · vogella · Jul 8, 2026
diff --git a/bundles/org.eclipse.ui.editors/plugin.properties b/bundles/org.eclipse.ui.editors/plugin.properties
@@ -125,6 +125,7 @@ preferenceKeywords.lineSpacing= line space height spacing
 preferenceKeywords.lineNumber= line numbers
 preferenceKeywords.printMargin= print margin
 preferenceKeywords.annotationCodeMining= annotation code mining marker error warning info
+preferenceKeywords.blockEndCodeMining= block end code mining closing brace curly
 preferenceKeywords.annotations= annotations vertical ruler overview colors text editor
 preferenceKeywords.quickdiff= quick diff compare reference colors text editor changes
 preferenceKeywords.accessibility= accessibility caret cursor quick diff text editor ruler

diff --git a/bundles/org.eclipse.ui.editors/plugin.xml b/bundles/org.eclipse.ui.editors/plugin.xml
@@ -288,6 +288,7 @@
             <keywordReference id="org.eclipse.ui.editors.lineNumber"/>
             <keywordReference id="org.eclipse.ui.editors.printMargin"/>
             <keywordReference id="org.eclipse.ui.editors.annotationCodeMining"/>
+            <keywordReference id="org.eclipse.ui.editors.blockEndCodeMining"/>
             <keywordReference id="org.eclipse.ui.editors.wordWrap"/>
       </page>
       <page
@@ -354,6 +355,9 @@
       <keyword
             label="%preferenceKeywords.annotationCodeMining"
             id="org.eclipse.ui.editors.annotationCodeMining"/>
+      <keyword
+            label="%preferenceKeywords.blockEndCodeMining"
+            id="org.eclipse.ui.editors.blockEndCodeMining"/>
       <keyword
             label="%preferenceKeywords.annotations"
             id="org.eclipse.ui.editors.annotations"/>

diff --git a/...ui.editors/src/org/eclipse/ui/internal/editors/text/TextEditorDefaultsPreferencePage.java b/...ui.editors/src/org/eclipse/ui/internal/editors/text/TextEditorDefaultsPreferencePage.java
@@ -38,6 +38,7 @@
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Link;
 import org.eclipse.swt.widgets.Shell;
@@ -79,6 +80,8 @@
 import org.eclipse.ui.internal.editors.text.TextEditorDefaultsPreferencePage.EnumeratedDomain.EnumValue;
 import org.eclipse.ui.internal.editors.text.codemining.annotation.AnnotationCodeMiningPreferenceConstants;
 
+import org.eclipse.ui.internal.texteditor.BlockEndCodeMiningPreferenceConstants;
+
 import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants;
 import org.eclipse.ui.texteditor.AbstractTextEditor;
 
@@ -808,6 +811,9 @@ private OverlayPreferenceStore createOverlayStore() {
 		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.INT, AnnotationCodeMiningPreferenceConstants.SHOW_ANNOTATION_CODE_MINING_LEVEL));
 		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.INT, AnnotationCodeMiningPreferenceConstants.SHOW_ANNOTATION_CODE_MINING_MAX));
 
+		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, BlockEndCodeMiningPreferenceConstants.SHOW_BLOCK_END_CODE_MINING));
+		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.INT, BlockEndCodeMiningPreferenceConstants.BLOCK_END_CODE_MINING_MIN_LINES));
+
 		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.BOOLEAN, AbstractDecoratedTextEditorPreferenceConstants.EDITOR_STICKY_SCROLLING_ENABLED));
 		overlayKeys.add(new OverlayPreferenceStore.OverlayKey(OverlayPreferenceStore.INT, AbstractDecoratedTextEditorPreferenceConstants.EDITOR_STICKY_SCROLLING_MAXIMUM_COUNT));
 
@@ -995,8 +1001,26 @@ public void widgetSelected(SelectionEvent e) {
 		Preference smartHomeEnd= new Preference(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SMART_HOME_END, label, null);
 		addCheckBox(appearanceComposite, smartHomeEnd, new BooleanDomain(), 0);
 
+		label= TextEditorMessages.TextEditorDefaultsPreferencePage_stickyScrollingEnabled;
+		Preference stickyScrollingEnabled= new Preference(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_STICKY_SCROLLING_ENABLED, label, null);
+		Button stickyScrollingEnabledButton= addCheckBox(appearanceComposite, stickyScrollingEnabled, new BooleanDomain(), 0);
+
+		label= TextEditorMessages.TextEditorDefaultsPreferencePage_stickyScrollingMaximumCount;
+		String description= TextEditorMessages.TextEditorDefaultsPreferencePage_stickyScrollingMaximumCount;
+		Preference stickyScrollingMaximumCount= new Preference(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_STICKY_SCROLLING_MAXIMUM_COUNT, label, description);
+		final IntegerDomain stickyScrollingMaximumCountDomain= new IntegerDomain(1, 10);
+		final Control[] stickyScrollingMaximumCountControls= addTextField(appearanceComposite, stickyScrollingMaximumCount, stickyScrollingMaximumCountDomain, 15, 20);
+		createDependency(stickyScrollingEnabledButton, stickyScrollingEnabled, stickyScrollingMaximumCountControls);
+
+		Group codeMiningGroup= new Group(appearanceComposite, SWT.NONE);
+		codeMiningGroup.setText(TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_group);
+		codeMiningGroup.setLayout(new GridLayout(2, false));
+		gd= new GridData(GridData.FILL_HORIZONTAL);
+		gd.horizontalSpan= 2;
+		codeMiningGroup.setLayoutData(gd);
+
 		label= TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_show;
-		String description= TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_description;
+		description= TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_description;
 		Preference showCodeMinings= new Preference(AnnotationCodeMiningPreferenceConstants.SHOW_ANNOTATION_CODE_MINING_LEVEL, label, description);
 		EnumeratedDomain codeMiningsDomain= new EnumeratedDomain();
 		codeMiningsDomain.addValue(new EnumValue(AnnotationCodeMiningPreferenceConstants.SHOW_ANNOTATION_CODE_MINING_LEVEL__NONE, TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_none));
@@ -1005,13 +1029,13 @@ public void widgetSelected(SelectionEvent e) {
 				TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_ErrorWarnings));
 		codeMiningsDomain.addValue(new EnumValue(AnnotationCodeMiningPreferenceConstants.SHOW_ANNOTATION_CODE_MINING_LEVEL__ERROR_WARNING_INFO,
 				TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_ErrorWarningsInfo));
-		final Control[] showCodeMiningsControls= addCombo(appearanceComposite, showCodeMinings, codeMiningsDomain, 0);
+		final Control[] showCodeMiningsControls= addCombo(codeMiningGroup, showCodeMinings, codeMiningsDomain, 0);
 
 		label= TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_max;
 		description= TextEditorMessages.TextEditorDefaultsPreferencePage_codeMinings_max_description;
 		Preference maxCodeMinings= new Preference(AnnotationCodeMiningPreferenceConstants.SHOW_ANNOTATION_CODE_MINING_MAX, label, description);
 		IntegerDomain maxCodeMiningsDomain= new IntegerDomain(0, 99999);
-		Control[] maxCodeMiningsControls= addTextField(appearanceComposite, maxCodeMinings, maxCodeMiningsDomain, 15, 20);
+		Control[] maxCodeMiningsControls= addTextField(codeMiningGroup, maxCodeMinings, maxCodeMiningsDomain, 15, 20);
 
 		final SelectionListener codeMiningsListener= new SelectionAdapter() {
 			@Override
@@ -1027,16 +1051,17 @@ public void widgetSelected(SelectionEvent e) {
 		((Combo) showCodeMiningsControls[1]).addSelectionListener(codeMiningsListener);
 		fMasterSlaveListeners.add(codeMiningsListener);
 
-		label= TextEditorMessages.TextEditorDefaultsPreferencePage_stickyScrollingEnabled;
-		Preference stickyScrollingEnabled= new Preference(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_STICKY_SCROLLING_ENABLED, label, null);
-		Button stickyScrollingEnabledButton= addCheckBox(appearanceComposite, stickyScrollingEnabled, new BooleanDomain(), 0);
-
-		label= TextEditorMessages.TextEditorDefaultsPreferencePage_stickyScrollingMaximumCount;
-		description= TextEditorMessages.TextEditorDefaultsPreferencePage_stickyScrollingMaximumCount;
-		Preference stickyScrollingMaximumCount= new Preference(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_STICKY_SCROLLING_MAXIMUM_COUNT, label, description);
-		final IntegerDomain stickyScrollingMaximumCountDomain= new IntegerDomain(1, 10);
-		final Control[] stickyScrollingMaximumCountControls= addTextField(appearanceComposite, stickyScrollingMaximumCount, stickyScrollingMaximumCountDomain, 15, 20);
-		createDependency(stickyScrollingEnabledButton, stickyScrollingEnabled, stickyScrollingMaximumCountControls);
+		label= TextEditorMessages.TextEditorDefaultsPreferencePage_blockEndCodeMining;
+		description= TextEditorMessages.TextEditorDefaultsPreferencePage_blockEndCodeMining_description;
+		Preference blockEndCodeMining= new Preference(BlockEndCodeMiningPreferenceConstants.SHOW_BLOCK_END_CODE_MINING, label, description);
+		Button blockEndCodeMiningButton= addCheckBox(codeMiningGroup, blockEndCodeMining, new BooleanDomain(), 0);
+
+		label= TextEditorMessages.TextEditorDefaultsPreferencePage_blockEndCodeMining_minLines;
+		description= TextEditorMessages.TextEditorDefaultsPreferencePage_blockEndCodeMining_minLines_description;
+		Preference blockEndCodeMiningMinLines= new Preference(BlockEndCodeMiningPreferenceConstants.BLOCK_END_CODE_MINING_MIN_LINES, label, description);
+		IntegerDomain blockEndCodeMiningMinLinesDomain= new IntegerDomain(2, 99999);
+		Control[] blockEndCodeMiningMinLinesControls= addTextField(codeMiningGroup, blockEndCodeMiningMinLines, blockEndCodeMiningMinLinesDomain, 15, 20);
+		createDependency(blockEndCodeMiningButton, blockEndCodeMining, blockEndCodeMiningMinLinesControls);
 
 		addFiller(appearanceComposite, 2);
 

diff --git a/...s/org.eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/TextEditorMessages.java b/...s/org.eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/TextEditorMessages.java
@@ -148,6 +148,11 @@ private TextEditorMessages() {
 	public static String TextEditorDefaultsPreferencePage_codeMinings_max_description;
 	public static String TextEditorDefaultsPreferencePage_codeMinings_none;
 	public static String TextEditorDefaultsPreferencePage_codeMinings_show;
+	public static String TextEditorDefaultsPreferencePage_codeMinings_group;
+	public static String TextEditorDefaultsPreferencePage_blockEndCodeMining;
+	public static String TextEditorDefaultsPreferencePage_blockEndCodeMining_description;
+	public static String TextEditorDefaultsPreferencePage_blockEndCodeMining_minLines;
+	public static String TextEditorDefaultsPreferencePage_blockEndCodeMining_minLines_description;
 	public static String TextEditorDefaultsPreferencePage_configureWhitespaceCharacterPainterProperties;
 	public static String TextEditorDefaultsPreferencePage_deleteSpacesAsTabs;
 	public static String TextEditorDefaultsPreferencePage_enclosed;

diff --git a/...eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/TextEditorMessages.properties b/...eclipse.ui.editors/src/org/eclipse/ui/internal/editors/text/TextEditorMessages.properties
@@ -50,6 +50,11 @@ TextEditorDefaultsPreferencePage_codeMinings_max=Maximum annotations shown:
 TextEditorDefaultsPreferencePage_codeMinings_max_description=Limits the number of shown annotations to prevent performance issues
 TextEditorDefaultsPreferencePage_codeMinings_none=None
 TextEditorDefaultsPreferencePage_codeMinings_show=Show code minings &for problem annotations:
+TextEditorDefaultsPreferencePage_codeMinings_group=Code Minings
+TextEditorDefaultsPreferencePage_blockEndCodeMining=Show &block end code minings
+TextEditorDefaultsPreferencePage_blockEndCodeMining_description=Shows the opening line of a code block at its closing brace
+TextEditorDefaultsPreferencePage_blockEndCodeMining_minLines=Minimum block size (lines):
+TextEditorDefaultsPreferencePage_blockEndCodeMining_minLines_description=A block end code mining is only shown when the block spans at least this many lines
 TextEditorDefaultsPreferencePage_configureWhitespaceCharacterPainterProperties=Configure visibility of whitespace characters in different regions of a line of text:
 TextEditorDefaultsPreferencePage_deleteSpacesAsTabs=Remove &multiple spaces on backspace/delete
 TextEditorDefaultsPreferencePage_enclosed=Enclosed

diff --git a/...editors/src/org/eclipse/ui/texteditor/AbstractDecoratedTextEditorPreferenceConstants.java b/...editors/src/org/eclipse/ui/texteditor/AbstractDecoratedTextEditorPreferenceConstants.java
@@ -28,6 +28,7 @@
 
 import org.eclipse.ui.internal.editors.text.EditorsPlugin;
 import org.eclipse.ui.internal.editors.text.EditorsPluginPreferenceInitializer;
+import org.eclipse.ui.internal.texteditor.BlockEndCodeMiningPreferenceConstants;
 
 import org.eclipse.ui.texteditor.spelling.SpellingService;
 
@@ -883,6 +884,9 @@ public static void initializeDefaultValues(IPreferenceStore store) {
 		store.setDefault(EDITOR_STICKY_SCROLLING_ENABLED, false);
 		store.setDefault(EDITOR_STICKY_SCROLLING_MAXIMUM_COUNT, 4);
 
+		store.setDefault(BlockEndCodeMiningPreferenceConstants.SHOW_BLOCK_END_CODE_MINING, false);
+		store.setDefault(BlockEndCodeMiningPreferenceConstants.BLOCK_END_CODE_MINING_MIN_LINES, BlockEndCodeMiningPreferenceConstants.DEFAULT_MIN_LINES);
+
 		MarkerAnnotationPreferences.initializeDefaultValues(store);
 
 		EditorsPluginPreferenceInitializer.setThemeBasedPreferences(store, false);

diff --git a/bundles/org.eclipse.ui.workbench.texteditor/plugin.properties b/bundles/org.eclipse.ui.workbench.texteditor/plugin.properties
@@ -232,3 +232,4 @@ blockSelectionModeFont.description= The block selection mode font is used by tex
 MinimapView.name=Minimap
 
 CodeMining.show.ZWSP=Show ZWSP (Zero-Width Space)
+CodeMining.blockEnd=Show block end code minings
diff --git a/bundles/org.eclipse.ui.workbench.texteditor/plugin.xml b/bundles/org.eclipse.ui.workbench.texteditor/plugin.xml
@@ -1554,6 +1554,11 @@
             id="org.eclipse.test.codemining.zswpProvider"
             label="%CodeMining.show.ZWSP">
       </codeMiningProvider>
+      <codeMiningProvider
+            class="org.eclipse.ui.internal.texteditor.codemining.BlockEndCodeMiningProvider"
+            id="org.eclipse.ui.workbench.texteditor.codemining.blockEndProvider"
+            label="%CodeMining.blockEnd">
+      </codeMiningProvider>
    </extension>
 
    <extension

diff --git a/...teditor/src/org/eclipse/ui/internal/texteditor/BlockEndCodeMiningPreferenceConstants.java b/...teditor/src/org/eclipse/ui/internal/texteditor/BlockEndCodeMiningPreferenceConstants.java
@@ -0,0 +1,31 @@
+/*******************************************************************************
+ * Copyright (c) 2026 Eclipse Platform contributors.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package org.eclipse.ui.internal.texteditor;
+
+/**
+ * Preference keys of the block end code mining, shared with {@code org.eclipse.ui.editors} which
+ * contributes their defaults and their preference page.
+ */
+public final class BlockEndCodeMiningPreferenceConstants {
+
+	/** Whether a block's opening line is echoed at its closing brace. Off by default. */
+	public static final String SHOW_BLOCK_END_CODE_MINING= "showBlockEndCodeMining"; //$NON-NLS-1$
+
+	/** The minimum number of lines a block must span to be annotated. */
+	public static final String BLOCK_END_CODE_MINING_MIN_LINES= "blockEndCodeMiningMinLines"; //$NON-NLS-1$
+
+	/** Default value for {@link #BLOCK_END_CODE_MINING_MIN_LINES}. */
+	public static final int DEFAULT_MIN_LINES= 20;
+
+	private BlockEndCodeMiningPreferenceConstants() {
+		// Prevent instantiation
+	}
+}
diff --git a/...ench.texteditor/src/org/eclipse/ui/internal/texteditor/codemining/BlockEndCodeMining.java b/...ench.texteditor/src/org/eclipse/ui/internal/texteditor/codemining/BlockEndCodeMining.java
@@ -0,0 +1,37 @@
+/*******************************************************************************
+ * Copyright (c) 2026 Eclipse Platform contributors.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package org.eclipse.ui.internal.texteditor.codemining;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.codemining.ICodeMiningProvider;
+import org.eclipse.jface.text.codemining.LineEndCodeMining;
+
+/** Echoes a block's opening line at the end of its closing brace line. */
+class BlockEndCodeMining extends LineEndCodeMining {
+
+	private final String label;
+
+	BlockEndCodeMining(IDocument document, int line, String label, ICodeMiningProvider provider) throws BadLocationException {
+		super(document, line, provider);
+		this.label= label;
+	}
+
+	@Override
+	public boolean isResolved() {
+		return true;
+	}
+
+	@Override
+	public String getLabel() {
+		return label;
+	}
+}
Original file line number	Diff line number	Diff line change
Expand Up		@@ -232,3 +232,4 @@ blockSelectionModeFont.description= The block selection mode font is used by tex
		MinimapView.name=Minimap

		CodeMining.show.ZWSP=Show ZWSP (Zero-Width Space)
		CodeMining.blockEnd=Show block end code minings