Bug 385987 - Hidden tabs' filenames should be bolded in "Show List"

drop-down of tabbed editor view.

Fixed by asking a StackRenderer about CTabItem for MPart,
and checking it's showing state.

Change-Id: I00166e34613c461a4a0b334facb3d38f6bf66bfd

2 files changed, 40 insertions, 4 deletions

diff --git a/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/internal/workbench/renderers/swt/BasicPartList.java b/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/internal/workbench/renderers/swt/BasicPartList.java
index 5f27a21195e..0f6cc48d9d8 100644
--- a/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/internal/workbench/renderers/swt/BasicPartList.java
+++ b/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/internal/workbench/renderers/swt/BasicPartList.java
@@ -22,6 +22,7 @@ import org.eclipse.e4.ui.model.application.ui.MUILabel;
 import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder;
 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
 import org.eclipse.e4.ui.workbench.modeling.EPartService;
+import org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer;
 import org.eclipse.e4.ui.workbench.swt.util.ISWTResourceUtilities;
 import org.eclipse.emf.common.util.URI;
 import org.eclipse.jface.resource.ImageDescriptor;
@@ -31,9 +32,13 @@ import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.ViewerComparator;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.CTabItem;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.FontData;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Shell;
@@ -43,6 +48,29 @@ public class BasicPartList extends AbstractTableInformationControl {
 
 	private class BasicStackListLabelProvider extends ColumnLabelProvider {
 
+		private Font boldFont;
+
+		public BasicStackListLabelProvider() {
+			Font font = Display.getDefault().getSystemFont();
+			FontData[] fontDatas = font.getFontData();
+			for (FontData fontData : fontDatas) {
+				fontData.setStyle(fontData.getStyle() | SWT.BOLD);
+			}
+			boldFont = new Font(Display.getDefault(), fontDatas);
+		}
+
+		@Override
+		public Font getFont(Object element) {
+			if (element instanceof MPart) {
+				MPart part = (MPart) element;
+				CTabItem item = renderer.findItemForPart(part);
+				if (item != null && !item.isShowing()) {
+					return boldFont;
+				}
+			}
+			return super.getFont(element);
+		}
+
 		public String getText(Object element) {
 			if (element instanceof MDirtyable
 					&& ((MDirtyable) element).isDirty()) {
@@ -66,6 +94,11 @@ public class BasicPartList extends AbstractTableInformationControl {
 		public boolean useNativeToolTip(Object object) {
 			return true;
 		}
+
+		@Override
+		public void dispose() {
+			boldFont.dispose();
+		}
 	}
 
 	private Map<String, Image> images = new HashMap<String, Image>();
@@ -76,17 +109,20 @@ public class BasicPartList extends AbstractTableInformationControl {
 
 	private EPartService partService;
 
+	private StackRenderer renderer;
+
 	public BasicPartList(Shell parent, int shellStyle, int treeStyler,
 			EPartService partService, MElementContainer<?> input,
-			ISWTResourceUtilities utils, boolean alphabetical) {
+			StackRenderer renderer, ISWTResourceUtilities utils,
+			boolean alphabetical) {
 		super(parent, shellStyle, treeStyler);
 		this.partService = partService;
 		this.input = input;
+		this.renderer = renderer;
 		this.utils = utils;
 		if (alphabetical && getTableViewer() != null) {
 			getTableViewer().setComparator(new ViewerComparator());
 		}
-
 	}
 
 	private Image getLabelImage(String iconURI) {
diff --git a/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java b/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java
index 700c49c600d..413fe9af0b5 100644
--- a/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java
+++ b/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java
@@ -732,7 +732,7 @@ public class StackRenderer extends LazyStackRenderer {
 		return null;
 	}
 
-	protected CTabItem findItemForPart(MPart part) {
+	public CTabItem findItemForPart(MPart part) {
 		// is this a direct child of the stack?
 		if (part.getParent() != null
 				&& part.getParent().getRenderer() == StackRenderer.this) {
@@ -983,7 +983,7 @@ public class StackRenderer extends LazyStackRenderer {
 		IEclipseContext ctxt = getContext(stack);
 		final BasicPartList editorList = new BasicPartList(ctf.getShell(),
 				SWT.ON_TOP, SWT.V_SCROLL | SWT.H_SCROLL,
-				ctxt.get(EPartService.class), stack,
+				ctxt.get(EPartService.class), stack, this,
 				(ISWTResourceUtilities) ctxt.get(IResourceUtilities.class),
 				getInitialMRUValue(ctf));
 		editorList.setInput();