| /* |
| * Copyright 2000-2014 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.codeInsight.navigation; |
| |
| import com.intellij.codeInsight.daemon.GutterIconNavigationHandler; |
| import com.intellij.codeInsight.hint.HintUtil; |
| import com.intellij.ide.util.PsiElementListCellRenderer; |
| import com.intellij.openapi.actionSystem.AnAction; |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.openapi.editor.markup.GutterIconRenderer; |
| import com.intellij.openapi.ui.popup.Balloon; |
| import com.intellij.openapi.ui.popup.JBPopup; |
| import com.intellij.openapi.ui.popup.JBPopupFactory; |
| import com.intellij.openapi.util.Computable; |
| import com.intellij.openapi.util.NotNullLazyValue; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.SmartPsiElementPointer; |
| import com.intellij.psi.util.PsiUtilCore; |
| import com.intellij.ui.IdeBorderFactory; |
| import com.intellij.ui.awt.RelativePoint; |
| import com.intellij.util.NullableFunction; |
| import com.intellij.util.PsiNavigateUtil; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.awt.event.MouseEvent; |
| import java.util.List; |
| |
| /** |
| * @author peter |
| */ |
| public abstract class NavigationGutterIconRenderer extends GutterIconRenderer implements GutterIconNavigationHandler<PsiElement>{ |
| private final String myPopupTitle; |
| private final String myEmptyText; |
| private final Computable<PsiElementListCellRenderer> myCellRenderer; |
| private final NotNullLazyValue<List<SmartPsiElementPointer>> myPointers; |
| |
| protected NavigationGutterIconRenderer(final String popupTitle, final String emptyText, @NotNull Computable<PsiElementListCellRenderer> cellRenderer, |
| @NotNull NotNullLazyValue<List<SmartPsiElementPointer>> pointers) { |
| myPopupTitle = popupTitle; |
| myEmptyText = emptyText; |
| myCellRenderer = cellRenderer; |
| myPointers = pointers; |
| } |
| |
| @Override |
| public boolean isNavigateAction() { |
| return true; |
| } |
| |
| public List<PsiElement> getTargetElements() { |
| return ContainerUtil.mapNotNull(myPointers.getValue(), new NullableFunction<SmartPsiElementPointer, PsiElement>() { |
| @Override |
| public PsiElement fun(final SmartPsiElementPointer smartPsiElementPointer) { |
| return smartPsiElementPointer.getElement(); |
| } |
| }); |
| } |
| |
| public boolean equals(final Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| final NavigationGutterIconRenderer renderer = (NavigationGutterIconRenderer)o; |
| |
| if (myEmptyText != null ? !myEmptyText.equals(renderer.myEmptyText) : renderer.myEmptyText != null) return false; |
| if (!myPointers.getValue().equals(renderer.myPointers.getValue())) return false; |
| if (myPopupTitle != null ? !myPopupTitle.equals(renderer.myPopupTitle) : renderer.myPopupTitle != null) return false; |
| |
| return true; |
| } |
| |
| public int hashCode() { |
| int result; |
| result = (myPopupTitle != null ? myPopupTitle.hashCode() : 0); |
| result = 31 * result + (myEmptyText != null ? myEmptyText.hashCode() : 0); |
| result = 31 * result + myPointers.getValue().hashCode(); |
| return result; |
| } |
| |
| @Override |
| @Nullable |
| public AnAction getClickAction() { |
| return new AnAction() { |
| @Override |
| public void actionPerformed(AnActionEvent e) { |
| navigate(e == null ? null : (MouseEvent)e.getInputEvent(), null); |
| } |
| }; |
| } |
| |
| @Override |
| public void navigate(@Nullable final MouseEvent event, @Nullable final PsiElement elt) { |
| final List<PsiElement> list = getTargetElements(); |
| if (list.isEmpty()) { |
| if (myEmptyText != null) { |
| if (event != null) { |
| final JComponent label = HintUtil.createErrorLabel(myEmptyText); |
| label.setBorder(IdeBorderFactory.createEmptyBorder(2, 7, 2, 7)); |
| JBPopupFactory.getInstance().createBalloonBuilder(label) |
| .setFadeoutTime(3000) |
| .setFillColor(HintUtil.ERROR_COLOR) |
| .createBalloon() |
| .show(new RelativePoint(event), Balloon.Position.above); |
| } |
| } |
| return; |
| } |
| if (list.size() == 1) { |
| PsiNavigateUtil.navigate(list.iterator().next()); |
| } |
| else { |
| if (event != null) { |
| final JBPopup popup = NavigationUtil.getPsiElementPopup(PsiUtilCore.toPsiElementArray(list), myCellRenderer.compute(), myPopupTitle); |
| popup.show(new RelativePoint(event)); |
| } |
| } |
| } |
| } |