feat: Add pinned context support for Amazon Q chat #470
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| // Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package software.aws.toolkits.eclipse.amazonq.lsp.editor; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import java.util.concurrent.ScheduledExecutorService; | ||
| import java.util.concurrent.ScheduledFuture; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import org.eclipse.ui.IPartListener2; | ||
| import org.eclipse.ui.IWorkbenchPartReference; | ||
| import org.eclipse.ui.PlatformUI; | ||
| import org.eclipse.ui.texteditor.ITextEditor; | ||
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| import software.aws.toolkits.eclipse.amazonq.lsp.AmazonQLspServer; | ||
| import software.aws.toolkits.eclipse.amazonq.plugin.Activator; | ||
| import software.aws.toolkits.eclipse.amazonq.util.QEclipseEditorUtils; | ||
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|
||
| /** | ||
| * Listens for active editor changes and notifies the language server | ||
| * with debouncing to avoid excessive notifications. | ||
| */ | ||
| public final class ActiveEditorChangeListener implements IPartListener2 { | ||
| private static final long DEBOUNCE_DELAY_MS = 100L; | ||
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| private final AmazonQLspServer languageServer; | ||
| private final ScheduledExecutorService executor; | ||
| private ScheduledFuture<?> debounceTask; | ||
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| public ActiveEditorChangeListener(final AmazonQLspServer languageServer, final ScheduledExecutorService executor) { | ||
| this.languageServer = languageServer; | ||
| this.executor = executor; | ||
| } | ||
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||
| @Override | ||
| public void partActivated(final IWorkbenchPartReference partRef) { | ||
| if (partRef.getPart(false) instanceof ITextEditor) { | ||
| handleEditorChange((ITextEditor) partRef.getPart(false)); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void partBroughtToTop(final IWorkbenchPartReference partRef) { | ||
| if (partRef.getPart(false) instanceof ITextEditor) { | ||
| handleEditorChange((ITextEditor) partRef.getPart(false)); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void partClosed(final IWorkbenchPartReference partRef) { | ||
| // When editor is closed, send notification with null values | ||
| handleEditorChange(null); | ||
| } | ||
|
|
||
| @Override | ||
| public void partDeactivated(final IWorkbenchPartReference partRef) { | ||
| // No action needed | ||
| } | ||
|
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||
| @Override | ||
| public void partOpened(final IWorkbenchPartReference partRef) { | ||
| if (partRef.getPart(false) instanceof ITextEditor) { | ||
| handleEditorChange((ITextEditor) partRef.getPart(false)); | ||
| } | ||
| } | ||
|
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||
| @Override | ||
| public void partHidden(final IWorkbenchPartReference partRef) { | ||
| // No action needed | ||
| } | ||
|
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| @Override | ||
| public void partVisible(final IWorkbenchPartReference partRef) { | ||
| if (partRef.getPart(false) instanceof ITextEditor) { | ||
| handleEditorChange((ITextEditor) partRef.getPart(false)); | ||
| } | ||
| } | ||
|
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||
| @Override | ||
| public void partInputChanged(final IWorkbenchPartReference partRef) { | ||
| if (partRef.getPart(false) instanceof ITextEditor) { | ||
| handleEditorChange((ITextEditor) partRef.getPart(false)); | ||
| } | ||
| } | ||
|
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| private void handleEditorChange(final ITextEditor editor) { | ||
| // Cancel any pending notification | ||
| if (debounceTask != null) { | ||
| debounceTask.cancel(false); | ||
| } | ||
|
|
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| // Schedule a new notification after the debounce period | ||
| debounceTask = executor.schedule(() -> { | ||
|
|
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| try { | ||
| Map<String, Object> params = createActiveEditorParams(editor); | ||
|
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| // Send notification to language server | ||
| languageServer.activeEditorChanged(params); | ||
| Activator.getLogger().info("Active editor changed notification sent: " | ||
| + (editor != null ? editor.getTitle() : "no editor")); | ||
|
|
||
| } catch (Exception e) { | ||
| Activator.getLogger().error("Failed to send active editor changed notification", e); | ||
| } | ||
| }, DEBOUNCE_DELAY_MS, TimeUnit.MILLISECONDS); | ||
| } | ||
|
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| private Map<String, Object> createActiveEditorParams(final ITextEditor editor) { | ||
| Map<String, Object> params = new HashMap<>(); | ||
|
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| if (editor != null) { | ||
| // Use existing utility to get file URI | ||
| Optional<String> fileUri = QEclipseEditorUtils.getOpenFileUri(editor.getEditorInput()); | ||
| if (fileUri.isPresent()) { | ||
| Map<String, String> textDocument = new HashMap<>(); | ||
| textDocument.put("uri", fileUri.get()); | ||
| params.put("textDocument", textDocument); | ||
|
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| // Use existing utility to get cursor state - but only if this editor is the active one | ||
| if (editor == QEclipseEditorUtils.getActiveTextEditor()) { | ||
| QEclipseEditorUtils.getActiveSelectionRange().ifPresent(range -> { | ||
| Map<String, Object> cursorState = new HashMap<>(); | ||
| cursorState.put("range", range); | ||
| params.put("cursorState", cursorState); | ||
| }); | ||
| } | ||
| } | ||
| } else { | ||
| // Editor is null (closed), send null values | ||
| params.put("textDocument", null); | ||
| params.put("cursorState", null); | ||
| } | ||
|
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| return params; | ||
| } | ||
|
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| /** | ||
| * Register the listener with the workbench. | ||
| */ | ||
| public static ActiveEditorChangeListener register(final AmazonQLspServer languageServer, final ScheduledExecutorService executor) { | ||
| ActiveEditorChangeListener listener = new ActiveEditorChangeListener(languageServer, executor); | ||
|
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| // Register with the current active workbench window | ||
| if (PlatformUI.getWorkbench().getActiveWorkbenchWindow() != null) { | ||
| PlatformUI.getWorkbench().getActiveWorkbenchWindow().getPartService().addPartListener(listener); | ||
| } | ||
|
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| // Register with any new windows that open | ||
| PlatformUI.getWorkbench().addWindowListener(new org.eclipse.ui.IWindowListener() { | ||
| @Override | ||
| public void windowOpened(final org.eclipse.ui.IWorkbenchWindow window) { | ||
| window.getPartService().addPartListener(listener); | ||
| } | ||
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| @Override | ||
| public void windowClosed(final org.eclipse.ui.IWorkbenchWindow window) { | ||
| window.getPartService().removePartListener(listener); | ||
| } | ||
|
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| @Override | ||
| public void windowActivated(final org.eclipse.ui.IWorkbenchWindow window) { | ||
| // No action needed | ||
| } | ||
|
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| @Override | ||
| public void windowDeactivated(final org.eclipse.ui.IWorkbenchWindow window) { | ||
| // No action needed | ||
| } | ||
| }); | ||
|
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| return listener; | ||
| } | ||
|
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| /** | ||
| * Unregister the listener. | ||
| */ | ||
| public void dispose() { | ||
| if (debounceTask != null) { | ||
| debounceTask.cancel(true); | ||
| } | ||
|
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| // Remove from current workbench windows | ||
| for (org.eclipse.ui.IWorkbenchWindow window : PlatformUI.getWorkbench().getWorkbenchWindows()) { | ||
| window.getPartService().removePartListener(this); | ||
| } | ||
| } | ||
| } | ||
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why has this been added here if its not implemented yet