Remove outdated hint that was popping out on declarations
Sometimes it was clashed with warnings and errors EA-63522
This commit is contained in:
Nikolay Krasko
@@ -24,9 +24,6 @@
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<component>
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<implementation-class>org.jetbrains.jet.plugin.references.BuiltInsReferenceResolver</implementation-class>
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</component>
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<component>
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<implementation-class>org.jetbrains.jet.plugin.highlighter.DeclarationHintSupport</implementation-class>
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</component>
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<component>
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<implementation-class>org.jetbrains.jet.plugin.versions.OutdatedKotlinRuntimeNotification</implementation-class>
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</component>
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@@ -1,217 +0,0 @@
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/*
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* Copyright 2010-2013 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.jet.plugin.highlighter;
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import com.intellij.codeInsight.hint.HintManager;
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import com.intellij.codeInsight.hint.HintManagerImpl;
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import com.intellij.codeInsight.hint.HintUtil;
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import com.intellij.openapi.application.ApplicationManager;
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import com.intellij.openapi.components.AbstractProjectComponent;
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import com.intellij.openapi.diagnostic.Logger;
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import com.intellij.openapi.editor.Editor;
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import com.intellij.openapi.editor.EditorFactory;
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import com.intellij.openapi.editor.event.EditorMouseEvent;
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import com.intellij.openapi.editor.event.EditorMouseEventArea;
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import com.intellij.openapi.editor.event.EditorMouseMotionAdapter;
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import com.intellij.openapi.progress.ProgressIndicator;
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import com.intellij.openapi.progress.util.ProgressIndicatorBase;
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import com.intellij.openapi.project.DumbService;
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import com.intellij.openapi.project.Project;
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import com.intellij.psi.PsiDocumentManager;
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import com.intellij.psi.PsiElement;
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import com.intellij.psi.PsiFile;
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import com.intellij.psi.util.PsiTreeUtil;
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import com.intellij.ui.LightweightHint;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
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import org.jetbrains.jet.lang.psi.JetFile;
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import org.jetbrains.jet.lang.psi.JetNamedDeclaration;
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import org.jetbrains.jet.lang.resolve.BindingContext;
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import org.jetbrains.jet.plugin.JetLanguage;
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import org.jetbrains.jet.plugin.util.ProjectRootsUtil;
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import org.jetbrains.jet.plugin.caches.resolve.ResolvePackage;
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import org.jetbrains.jet.plugin.util.LongRunningReadTask;
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import org.jetbrains.jet.renderer.DescriptorRenderer;
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import javax.swing.*;
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import java.awt.*;
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public class DeclarationHintSupport extends AbstractProjectComponent {
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private static final Logger LOG = Logger.getInstance(DeclarationHintSupport.class.getName());
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private final MouseMoveListener mouseMoveListener = new MouseMoveListener();
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public DeclarationHintSupport(Project project) {
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super(project);
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}
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@Override
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public void initComponent() {
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EditorFactory instance = EditorFactory.getInstance();
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if (instance != null) {
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instance.getEventMulticaster().addEditorMouseMotionListener(mouseMoveListener, myProject);
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}
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else {
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LOG.error("Couldn't initialize " + DeclarationHintSupport.class.getName() + " component");
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}
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}
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private class MouseMoveListener extends EditorMouseMotionAdapter {
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private JetNamedDeclaration lastNamedDeclaration = null;
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private ProgressIndicator lastIndicator;
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private LightweightHint lastHint;
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@Override
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public void mouseMoved(EditorMouseEvent e) {
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if (DumbService.getInstance(myProject).isDumb() || !myProject.isInitialized()) {
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return;
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}
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if (e.isConsumed() || e.getArea() != EditorMouseEventArea.EDITING_AREA) {
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return;
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}
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Editor editor = e.getEditor();
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PsiFile psiFile = PsiDocumentManager.getInstance(myProject).getPsiFile(editor.getDocument());
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if (psiFile == null || psiFile.getLanguage() != JetLanguage.INSTANCE || !ProjectRootsUtil.isInProjectOrLibraryContent(psiFile)) {
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return;
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}
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JetFile jetFile = (JetFile) psiFile;
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int offset = editor.logicalPositionToOffset(editor.xyToLogicalPosition(e.getMouseEvent().getPoint()));
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PsiElement elementAtCursor = psiFile.findElementAt(offset);
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JetNamedDeclaration declaration = PsiTreeUtil.getParentOfType(elementAtCursor, JetNamedDeclaration.class);
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if (declaration != null && declaration.getNameIdentifier() == elementAtCursor) {
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if (lastNamedDeclaration == declaration) {
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return;
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}
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if (lastIndicator != null) {
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lastIndicator.cancel();
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}
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lastNamedDeclaration = declaration;
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lastIndicator = new ProgressIndicatorBase();
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// Move long resolve operation to another thread
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searchResolvedDescriptor(jetFile, declaration, editor, lastIndicator);
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}
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else {
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// Mouse moved out of the declaration - can stop search for descriptor
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if (lastIndicator != null) {
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lastIndicator.cancel();
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}
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if (lastHint != null) {
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lastHint.hide();
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}
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lastHint = null;
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lastNamedDeclaration = null;
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lastIndicator = null;
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}
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}
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// Executed in Event dispatch thread
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private void onDescriptorReady(
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@Nullable DeclarationDescriptor descriptor,
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@NotNull JetNamedDeclaration declaration,
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@NotNull Editor editor,
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@NotNull PsiFile psiFile,
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@NotNull ProgressIndicator indicator
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) {
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if (indicator != lastIndicator) {
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// This is callback for some outdated request
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return;
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}
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// Clear - last request is done
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lastNamedDeclaration = null;
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lastIndicator = null;
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if (descriptor == null) {
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return;
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}
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if (editor.isDisposed()) {
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return;
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}
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// Check that cursor is still at the same position
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Point mousePosition = editor.getContentComponent().getMousePosition();
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if (mousePosition == null) {
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return;
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}
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int offset = editor.logicalPositionToOffset(editor.xyToLogicalPosition(mousePosition));
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PsiElement elementAtCursor = psiFile.findElementAt(offset);
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if (elementAtCursor != declaration.getNameIdentifier()) {
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return;
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}
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JLayeredPane layeredPane = editor.getComponent().getRootPane().getLayeredPane();
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Point point = SwingUtilities.convertPoint(editor.getContentComponent(), mousePosition, layeredPane);
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lastHint = new LightweightHint(HintUtil.createInformationLabel(DescriptorRenderer.HTML.render(descriptor)));
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((HintManagerImpl) HintManager.getInstance()).showEditorHint(
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lastHint, editor, point,
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HintManager.HIDE_BY_ANY_KEY | HintManager.HIDE_BY_TEXT_CHANGE
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| HintManager.HIDE_BY_SCROLLING | HintManager.HIDE_BY_OTHER_HINT | HintManager.HIDE_BY_MOUSEOVER, 0, false);
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}
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// Moves execution from GUI thread to thread pool thread
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private void searchResolvedDescriptor(
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@NotNull final JetFile jetFile,
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@NotNull final JetNamedDeclaration declaration,
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@NotNull final Editor editor,
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@NotNull final ProgressIndicator indicator
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) {
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ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
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@Override
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public void run() {
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LongRunningReadTask.runWithWriteActionPriority(indicator, new Runnable() {
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@Override
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public void run() {
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// Executed in the thread from Thread Pool
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DeclarationDescriptor descriptor = null;
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try {
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BindingContext bindingContext =
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ResolvePackage.analyzeFully(jetFile);
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descriptor = bindingContext.getDiagnostics().forElement(declaration).isEmpty()
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? bindingContext.get(BindingContext.DECLARATION_TO_DESCRIPTOR, declaration)
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: null;
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}
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finally {
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// Back to GUI thread for submitting result
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final DeclarationDescriptor finalDescriptor = descriptor;
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ApplicationManager.getApplication().invokeLater(new Runnable() {
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@Override
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public void run() {
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onDescriptorReady(finalDescriptor, declaration, editor, jetFile, indicator);
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}
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});
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}
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}
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});
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}
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});
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}
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}
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}
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