| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.intellij.ui.popup; |
| |
| import com.intellij.codeInsight.completion.CompletionUtil; |
| import com.intellij.codeInsight.documentation.DocumentationManager; |
| import com.intellij.codeInsight.lookup.*; |
| import com.intellij.ide.util.gotoByName.ChooseByNameBase; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.ui.popup.LightweightWindowEvent; |
| import com.intellij.openapi.wm.ex.WindowManagerEx; |
| import com.intellij.psi.PsiElement; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| |
| /** |
| * @author yole |
| */ |
| public abstract class PopupUpdateProcessor extends PopupUpdateProcessorBase { |
| |
| private final Project myProject; |
| |
| protected PopupUpdateProcessor(Project project) { |
| myProject = project; |
| } |
| |
| @Override |
| public void beforeShown(final LightweightWindowEvent windowEvent) { |
| final Lookup activeLookup = LookupManager.getInstance(myProject).getActiveLookup(); |
| if (activeLookup != null) { |
| activeLookup.addLookupListener(new LookupAdapter() { |
| @Override |
| public void currentItemChanged(LookupEvent event) { |
| if (windowEvent.asPopup().isVisible()) { //was not canceled yet |
| final LookupElement item = event.getItem(); |
| if (item != null) { |
| PsiElement targetElement = CompletionUtil.getTargetElement(item); |
| if (targetElement == null) { |
| targetElement = DocumentationManager.getInstance(myProject).getElementFromLookup(activeLookup.getEditor(), activeLookup.getPsiFile()); |
| } |
| |
| updatePopup(targetElement); //open next |
| } |
| } else { |
| activeLookup.removeLookupListener(this); |
| } |
| } |
| }); |
| } |
| else { |
| final Component focusedComponent = WindowManagerEx.getInstanceEx().getFocusedComponent(myProject); |
| boolean fromQuickSearch = focusedComponent != null && focusedComponent.getParent() instanceof ChooseByNameBase.JPanelProvider; |
| if (fromQuickSearch) { |
| ChooseByNameBase.JPanelProvider panelProvider = (ChooseByNameBase.JPanelProvider)focusedComponent.getParent(); |
| panelProvider.registerHint(windowEvent.asPopup()); |
| } |
| else if (focusedComponent instanceof JComponent) { |
| HintUpdateSupply supply = HintUpdateSupply.getSupply((JComponent)focusedComponent); |
| if (supply != null) supply.registerHint(windowEvent.asPopup()); |
| } |
| } |
| } |
| } |