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/*
* 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 com.intellij.ui.JBListWithHintProvider;
import com.intellij.ui.JBTableWithHintProvider;
import com.intellij.ui.JBTreeWithHintProvider;
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 != null) {
if (focusedComponent instanceof JBListWithHintProvider) {
((JBListWithHintProvider)focusedComponent).registerHint(windowEvent.asPopup());
} else if (focusedComponent instanceof JBTableWithHintProvider) {
((JBTableWithHintProvider)focusedComponent).registerHint(windowEvent.asPopup());
} else if (focusedComponent instanceof JBTreeWithHintProvider) {
((JBTreeWithHintProvider)focusedComponent).registerHint(windowEvent.asPopup());
}
}
}
}
}
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