Open Implementation popup when click on "implementations" CodeLens. See

#181

Author: angelozerr

eclipse/jsdt/ts.eclipse.ide.jsdt.ui/src/ts/eclipse/ide/jsdt/internal/ui/editor/codelens/ReferencesCodeLens.java

@@ -1,19 +1,36 @@
 package ts.eclipse.ide.jsdt.internal.ui.editor.codelens;
 
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ITextSelection;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.ITextViewerExtension5;
+import org.eclipse.jface.text.Region;
+import org.eclipse.jface.text.TextSelection;
 import org.eclipse.jface.text.provisional.codelens.CodeLens;
 import org.eclipse.jface.text.provisional.codelens.Range;
+import org.eclipse.jface.util.Geometry;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
 import org.eclipse.wst.jsdt.internal.ui.search.SearchUtil;
 
 import ts.TypeScriptException;
 import ts.eclipse.ide.core.resources.IIDETypeScriptFile;
+import ts.eclipse.ide.ui.implementation.TypeScriptImplementationDialog;
 import ts.eclipse.ide.ui.search.TypeScriptSearchQuery;
+import ts.eclipse.ide.ui.utils.EditorUtils;
 
 public class ReferencesCodeLens extends CodeLens {
 
+	private final ITextViewer fTextViewer;
 	private final IIDETypeScriptFile tsFile;
 
-	public ReferencesCodeLens(IIDETypeScriptFile tsFile, Range range) {
+	public ReferencesCodeLens(ITextViewer textViewer, IIDETypeScriptFile tsFile, Range range) {
 		super(range);
+		this.fTextViewer = textViewer;
 		this.tsFile = tsFile;
 	}
 
@@ -23,7 +40,9 @@ public IIDETypeScriptFile getTsFile() {
 
 	@Override
 	public void open() {
-		if (getCommand().getCommand().equals("references")) {
+		String command = getCommand().getCommand();
+		if (command.equals("references")) {
+			// Execute Search
 			try {
 				int offset = tsFile.getPosition(getRange().startLineNumber, getRange().startColumn);
 				TypeScriptSearchQuery query = new TypeScriptSearchQuery(tsFile.getResource(), offset);
@@ -32,8 +51,77 @@ public void open() {
 				e.printStackTrace();
 			}
 		} else {
+			// Open Implementation dialog
+			Display.getDefault().asyncExec(() -> {
+				try {
+					Shell parent = Display.getDefault().getActiveShell();
+					TypeScriptImplementationDialog dialog = new TypeScriptImplementationDialog(parent, SWT.RESIZE,
+							tsFile);
+					int offset = tsFile.getPosition(getRange().startLineNumber, getRange().startColumn);
+					ITextSelection selection = new TextSelection(offset, 1);
+					Rectangle size = computeArea(new Region(offset, 1));
+					dialog.setSize(450, 500);
+					dialog.setInput(selection);
+					dialog.open();
+				} catch (TypeScriptException e) {
+					e.printStackTrace();
+				}
+			});
 
 		}
 	}
 
+	/**
+	 * Determines the graphical area covered by the given text region.
+	 *
+	 * @param region the region whose graphical extend must be computed
+	 * @return the graphical extend of the given region
+	 */
+	private Rectangle computeArea(IRegion region) {
+
+		int start= 0;
+		int end= 0;
+
+		IRegion widgetRegion= modelRange2WidgetRange(region);
+		if (widgetRegion != null) {
+			start= widgetRegion.getOffset();
+			end= widgetRegion.getOffset() + widgetRegion.getLength();
+		}
+
+		StyledText styledText= fTextViewer.getTextWidget();
+		Rectangle bounds;
+		if (end > 0 && start < end)
+			bounds= styledText.getTextBounds(start, end - 1);
+		else {
+			Point loc= styledText.getLocationAtOffset(start);
+			bounds= new Rectangle(loc.x, loc.y, 0, styledText.getLineHeight(start));
+		}
+		
+		Rectangle clientArea= styledText.getClientArea();
+		Geometry.moveInside(bounds, clientArea);
+		return bounds;
+	}
+
+	/**
+	 * Translated the given range in the viewer's document into the corresponding
+	 * range of the viewer's widget.
+	 *
+	 * @param region the range in the viewer's document
+	 * @return the corresponding widget range
+	 * @since 2.1
+	 */
+	private IRegion modelRange2WidgetRange(IRegion region) {
+		if (fTextViewer instanceof ITextViewerExtension5) {
+			ITextViewerExtension5 extension= (ITextViewerExtension5) fTextViewer;
+			return extension.modelRange2WidgetRange(region);
+		}
+
+		IRegion visibleRegion= fTextViewer.getVisibleRegion();
+		int start= region.getOffset() - visibleRegion.getOffset();
+		int end= start + region.getLength();
+		if (end > visibleRegion.getLength())
+			end= visibleRegion.getLength();
+
+		return new Region(start, end - start);
+	}
 }

eclipse/jsdt/ts.eclipse.ide.jsdt.ui/src/ts/eclipse/ide/jsdt/internal/ui/editor/codelens/TypeScriptBaseCodeLensProvider.java

@@ -46,7 +46,7 @@ public ICodeLens[] provideCodeLenses(ITextViewer textViewer) {
 				if (tree != null && tree.hasChildItems()) {
 					tree.getChildItems().forEach(item -> this.walkNavTree(tsFile, item, null, referenceableSpans));
 				}
-				return referenceableSpans.stream().map(span -> new ReferencesCodeLens(tsFile, span))
+				return referenceableSpans.stream().map(span -> new ReferencesCodeLens(textViewer, tsFile, span))
 						.collect(Collectors.toList()).toArray(new ICodeLens[0]);
 			} catch (Exception e) {
 				TypeScriptUIPlugin.log("Error while TypeScript codelens", e);

eclipse/ts.eclipse.ide.ui/src/ts/eclipse/ide/ui/implementation/TypeScriptImplementationDialog.java

@@ -72,4 +72,8 @@ protected ILabelProvider getLabelProvider() {
 		return new TypeScriptImplementationLabelProvider();
 	}
 
+	@Override
+	public void setSize(int width, int height) {
+		super.setSize(width, height);
+	}
 }