com.intellij.ide.hierarchy.method.MethodHierarchyBrowser.java Source code

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Here is the source code for com.intellij.ide.hierarchy.method.MethodHierarchyBrowser.java

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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.ide.hierarchy.method;

import com.intellij.ide.IdeBundle;
import com.intellij.ide.hierarchy.*;
import com.intellij.ide.util.treeView.NodeDescriptor;
import com.intellij.openapi.actionSystem.ActionGroup;
import com.intellij.openapi.actionSystem.ActionManager;
import com.intellij.openapi.actionSystem.ActionPlaces;
import com.intellij.openapi.actionSystem.IdeActions;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiMethod;
import com.intellij.ui.PopupHandler;
import org.jetbrains.annotations.NotNull;

import javax.swing.*;
import java.util.Comparator;
import java.util.Map;

public final class MethodHierarchyBrowser extends MethodHierarchyBrowserBase {
    private static final Logger LOG = Logger
            .getInstance("#com.intellij.ide.hierarchy.method.MethodHierarchyBrowser");

    public MethodHierarchyBrowser(final Project project, final PsiMethod method) {
        super(project, method);
    }

    protected void createTrees(@NotNull Map<String, JTree> trees) {
        final JTree tree = createTree(false);
        ActionGroup group = (ActionGroup) ActionManager.getInstance()
                .getAction(IdeActions.GROUP_METHOD_HIERARCHY_POPUP);
        PopupHandler.installPopupHandler(tree, group, ActionPlaces.METHOD_HIERARCHY_VIEW_POPUP,
                ActionManager.getInstance());

        final BaseOnThisMethodAction baseOnThisMethodAction = new BaseOnThisMethodAction();
        baseOnThisMethodAction.registerCustomShortcutSet(
                ActionManager.getInstance().getAction(IdeActions.ACTION_METHOD_HIERARCHY).getShortcutSet(), tree);

        trees.put(METHOD_TYPE, tree);
    }

    protected JPanel createLegendPanel() {
        return createStandardLegendPanel(IdeBundle.message("hierarchy.legend.method.is.defined.in.class"),
                IdeBundle.message("hierarchy.legend.method.defined.in.superclass"),
                IdeBundle.message("hierarchy.legend.method.should.be.defined"));
    }

    protected PsiElement getElementFromDescriptor(@NotNull final HierarchyNodeDescriptor descriptor) {
        if (descriptor instanceof MethodHierarchyNodeDescriptor) {
            return ((MethodHierarchyNodeDescriptor) descriptor).getTargetElement();
        }
        return null;
    }

    protected boolean isApplicableElement(@NotNull final PsiElement psiElement) {
        return psiElement instanceof PsiMethod;
    }

    protected HierarchyTreeStructure createHierarchyTreeStructure(@NotNull final String typeName,
            @NotNull final PsiElement psiElement) {
        if (!METHOD_TYPE.equals(typeName)) {
            LOG.error("unexpected type: " + typeName);
            return null;
        }
        return new MethodHierarchyTreeStructure(myProject, (PsiMethod) psiElement);
    }

    protected Comparator<NodeDescriptor> getComparator() {
        return JavaHierarchyUtil.getComparator(myProject);
    }

    public PsiMethod getBaseMethod() {
        final HierarchyTreeBuilder builder = myBuilders.get(myCurrentViewType);
        final MethodHierarchyTreeStructure treeStructure = (MethodHierarchyTreeStructure) builder
                .getTreeStructure();
        return treeStructure.getBaseMethod();
    }

    public static final class BaseOnThisMethodAction extends MethodHierarchyBrowserBase.BaseOnThisMethodAction {
    }

}