Adds code reference view

plugin/plugin.xml

@@ -24,6 +24,14 @@
             category="amazonq"
             inject="true">
         </view>
+        <view
+              category="amazonq"
+              class="software.aws.toolkits.eclipse.amazonq.views.AmazonQCodeReferenceView"
+              icon="icons/AmazonQ.png"
+              id="software.aws.toolkits.eclipse.amazonq.views.AmazonQCodeReferenceView"
+              name="Amazon Q Code Reference"
+              restorable="true">
+        </view>
     </extension>
 
     <extension

plugin/src/software/aws/toolkits/eclipse/amazonq/handlers/QAcceptSuggestionsHandler.java

@@ -24,7 +24,7 @@ public final Object execute(final ExecutionEvent event) throws ExecutionExceptio
         var suggestion = QInvocationSession.getInstance().getCurrentSuggestion();
         var widget = QInvocationSession.getInstance().getViewer().getTextWidget();
         Display display = widget.getDisplay();
-        display.syncExec(() -> this.insertSuggestion(suggestion));
+        display.syncExec(() -> this.insertSuggestion(suggestion.getInsertText()));
         return null;
     }
 
@@ -37,6 +37,8 @@ private void insertSuggestion(final String suggestion) {
             doc.replace(insertOffset, 0, suggestion);
             widget.setCaretOffset(insertOffset + suggestion.length());
             QInvocationSession.getInstance().transitionToDecisionMade();
+            QInvocationSession.getInstance().getViewer().getTextWidget().redraw();
+            QInvocationSession.getInstance().executeCallbackForCodeReference();
             QInvocationSession.getInstance().end();
         } catch (BadLocationException e) {
             PluginLogger.error(e.toString());

plugin/src/software/aws/toolkits/eclipse/amazonq/lsp/model/InlineCompletionItem.java

@@ -7,6 +7,7 @@ public class InlineCompletionItem {
 
     private String itemId;
     private String insertText;
+    private InlineCompletionReference[] references;
 
     public final String getItemId() {
         return itemId;
@@ -23,4 +24,12 @@ public final String getInsertText() {
     public final void setInsertText(final String insertText) {
         this.insertText = insertText;
     }
+
+    public final InlineCompletionReference[] getReferences() {
+        return references;
+    }
+
+    public final void setReferences(final InlineCompletionReference[] references) {
+        this.references = references;
+    }
 }

plugin/src/software/aws/toolkits/eclipse/amazonq/lsp/model/InlineCompletionReference.java

@@ -0,0 +1,42 @@
+// Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+
+package software.aws.toolkits.eclipse.amazonq.lsp.model;
+
+public class InlineCompletionReference {
+    private String referenceName;
+    private String referenceUrl;
+    private String licenseName;
+    private InlineCompletionReferencePosition position;
+
+    public final void setReferenceName(final String referenceName) {
+        this.referenceName = referenceName;
+    }
+
+    public final void setReferenceUrl(final String referenceUrl) {
+        this.referenceUrl = referenceUrl;
+    }
+
+    public final void setLicenseName(final String licenseName) {
+        this.licenseName = licenseName;
+    }
+
+    public final void setPosition(final InlineCompletionReferencePosition position) {
+        this.position = position;
+    }
+
+    public final String getReferenceName() {
+        return referenceName;
+    }
+
+    public final String getReferenceUrl() {
+        return referenceUrl;
+    }
+
+    public final String getLicenseName() {
+        return licenseName;
+    }
+
+    public final InlineCompletionReferencePosition getPosition() {
+        return position;
+    }
+}

plugin/src/software/aws/toolkits/eclipse/amazonq/lsp/model/InlineCompletionReferencePosition.java

@@ -0,0 +1,24 @@
+// Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+
+package software.aws.toolkits.eclipse.amazonq.lsp.model;
+
+public class InlineCompletionReferencePosition {
+    private int startCharacter;
+    private int endCharacter;
+
+    public final void setStartCharacter(final int startCharacter) {
+        this.startCharacter = startCharacter;
+    }
+
+    public final void setEndCharacter(final int endCharacter) {
+        this.endCharacter = endCharacter;
+    }
+
+    public final int getStartCharacter() {
+        return startCharacter;
+    }
+
+    public final int getEndCharacter() {
+        return endCharacter;
+    }
+}

plugin/src/software/aws/toolkits/eclipse/amazonq/util/CodeReferenceAcceptanceCallback.java

@@ -0,0 +1,8 @@
+package software.aws.toolkits.eclipse.amazonq.util;
+
+import software.aws.toolkits.eclipse.amazonq.lsp.model.InlineCompletionItem;
+
+@FunctionalInterface
+public interface CodeReferenceAcceptanceCallback {
+    void onCallback(InlineCompletionItem suggestionItem, int startLine);
+}

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QInlineRendererListener.java

@@ -29,7 +29,7 @@ public final void paintControl(final PaintEvent e) {
         var widget = QInvocationSession.getInstance().getViewer().getTextWidget();
 
         var location = widget.getLocationAtOffset(widget.getCaretOffset());
-        var suggestion = QInvocationSession.getInstance().getCurrentSuggestion();
+        var suggestion = QInvocationSession.getInstance().getCurrentSuggestion().getInsertText();
         int invocationOffset = QInvocationSession.getInstance().getInvocationOffset();
         var suggestionParts = suggestion.split("\\R");
 

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QInlineVerifyKeyListener.java

@@ -44,7 +44,7 @@ public void verifyKey(final VerifyEvent event) {
             qInvocationSessionInstance.setCaretMovementReason(CaretMovementReason.TEXT_INPUT);
 
             // Here we conduct typeahead logic
-            String currentSuggestion = qInvocationSessionInstance.getCurrentSuggestion().trim();
+            String currentSuggestion = qInvocationSessionInstance.getCurrentSuggestion().getInsertText().trim();
             int currentOffset = widget.getCaretOffset();
             qInvocationSessionInstance
                     .setHasBeenTypedahead(currentOffset - qInvocationSessionInstance.getInvocationOffset() > 0);

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QInvocationSession.java

@@ -47,6 +47,7 @@ public final class QInvocationSession extends QResource {
     private boolean isLastKeyNewLine = false;
     private int[] headOffsetAtLine = new int[500];
     private boolean hasBeenTypedahead = false;
+    private CodeReferenceAcceptanceCallback codeReferenceAcceptanceCallback = null;
     private Runnable unsetVerticalIndent;
 
     // Private constructor to prevent instantiation
@@ -123,10 +124,8 @@ public void invoke() {
                         AuthUtils.updateToken().get();
                     }
 
-                    List<String> newSuggestions = LspProvider.getAmazonQServer().get()
-                            .inlineCompletionWithReferences(params).thenApply(result -> result.getItems().stream()
-                                    .map(InlineCompletionItem::getInsertText).collect(Collectors.toList()))
-                            .get();
+                    List<InlineCompletionItem> newSuggestions = LspProvider.getAmazonQServer().get()
+                            .inlineCompletionWithReferences(params).thenApply(result -> result.getItems()).get();
 
                     Display.getDefault().asyncExec(() -> {
                         if (newSuggestions == null || newSuggestions.isEmpty()) {
@@ -287,7 +286,7 @@ public int getHeadOffsetAtLine(final int lineNum) throws IllegalArgumentExceptio
         return headOffsetAtLine[lineNum];
     }
 
-    public String getCurrentSuggestion() {
+    public InlineCompletionItem getCurrentSuggestion() {
         if (suggestionsContext == null) {
             PluginLogger.warn("QSuggestion context is null");
             return null;
@@ -303,7 +302,7 @@ public String getCurrentSuggestion() {
             throw new IllegalStateException("QSuggestion showing discarded suggestions");
         }
 
-        return details.get(index).getSuggestion();
+        return details.get(index).getInlineCompletionItem();
     }
 
     public void decrementCurrentSuggestionIndex() {
@@ -328,6 +327,19 @@ public boolean hasBeenTypedahead() {
         return hasBeenTypedahead;
     }
 
+    public void registerCallbackForCodeReference(final CodeReferenceAcceptanceCallback codeReferenceAcceptanceCallback) {
+        this.codeReferenceAcceptanceCallback = codeReferenceAcceptanceCallback;
+    }
+
+    public void executeCallbackForCodeReference() {
+        if (codeReferenceAcceptanceCallback != null) {
+            var selectedSuggestion = getCurrentSuggestion();
+            var widget = viewer.getTextWidget();
+            int startLine = widget.getLineAtOffset(invocationOffset);
+            codeReferenceAcceptanceCallback.onCallback(selectedSuggestion, startLine);
+        }
+    }
+
     public void setVerticalIndent(int line, int height) {
         var widget = viewer.getTextWidget();
         widget.setLineVerticalIndent(line, height);

plugin/src/software/aws/toolkits/eclipse/amazonq/util/QSuggestionContext.java

@@ -3,17 +3,19 @@
 
 package software.aws.toolkits.eclipse.amazonq.util;
 
+import software.aws.toolkits.eclipse.amazonq.lsp.model.InlineCompletionItem;
+
 public final class QSuggestionContext {
-    private String suggestion;
+    private InlineCompletionItem inlineCompletionItem;
     private QSuggestionState state;
 
-    public QSuggestionContext(final String suggestion) {
-        this.suggestion = suggestion;
+    public QSuggestionContext(final InlineCompletionItem inlineCompletionItem) {
+        this.inlineCompletionItem = inlineCompletionItem;
         state = QSuggestionState.UNSEEN;
     }
 
-    public String getSuggestion() {
-        return suggestion;
+    public InlineCompletionItem getInlineCompletionItem() {
+        return inlineCompletionItem;
     }
 
     public QSuggestionState getState() {

plugin/src/software/aws/toolkits/eclipse/amazonq/views/AmazonQCodeReferenceView.java

@@ -0,0 +1,69 @@
+package software.aws.toolkits.eclipse.amazonq.views;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StyleRange;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.part.ViewPart;
+import software.aws.toolkits.eclipse.amazonq.util.QInvocationSession;
+
+public final class AmazonQCodeReferenceView extends ViewPart {
+
+    public static final String ID = "software.aws.toolkits.eclipse.amazonq.views.AmazonQCodeReferenceView";
+    private static final String CR_TEMPLATE = """
+            [%s] Accepted recommendation with code
+            %s
+            provided with reference under %s from repository %s. Added to %s (lines from %d to %d)
+            """;
+
+    private StyledText textArea;
+
+    @Override
+    public void createPartControl(final Composite parent) {
+        if (textArea == null) {
+            textArea = new StyledText(parent, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
+        }
+
+        QInvocationSession qInvocationSessionInstance = QInvocationSession.getInstance();
+
+        qInvocationSessionInstance.registerCallbackForCodeReference((item, startLine) -> {
+            var references = item.getReferences();
+            var editor = qInvocationSessionInstance.getEditor();
+            String fqfn = editor.getTitle();
+            if (references != null && references.length > 0) {
+                LocalDateTime now = LocalDateTime.now();
+                DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd/MM/yyyy, HH:mm:ss a");
+                String formattedDateTime = now.format(formatter);
+                int suggestionTextDepth = item.getInsertText().split("\n").length;
+                for (var reference : references) {
+                    String itemToShow = String.format(CR_TEMPLATE, formattedDateTime, item.getInsertText(),
+                            reference.getLicenseName(), reference.getReferenceUrl(),
+                            fqfn, startLine, startLine + suggestionTextDepth);
+                    int boldStart = textArea.getCharCount();
+                    int boldLength = itemToShow.split("\n", 2)[0].length();
+
+                    StyleRange styleRange = new StyleRange();
+                    styleRange.start = boldStart;
+                    styleRange.length = boldLength;
+                    styleRange.fontStyle = SWT.BOLD;
+
+                    textArea.append(itemToShow);
+                    textArea.append("\n");
+                    textArea.setStyleRange(styleRange);
+
+                }
+            }
+        });
+
+        textArea.append(
+                "Your organization controls whether suggestions include code with references. To update these settings, please contact your admin.\n");
+    }
+
+    @Override
+    public void setFocus() {
+        return;
+    }
+}