com.intellij.execution.testframework.TestTreeView.java Source code

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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.
 */

/*
 * User: anna
 * Date: 25-May-2007
 */
package com.intellij.execution.testframework;

import com.intellij.execution.testframework.actions.ViewAssertEqualsDiffAction;
import com.intellij.ide.CopyProvider;
import com.intellij.ide.actions.QualifiedNameProviders;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.ide.CopyPasteManager;
import com.intellij.openapi.util.Disposer;
import com.intellij.psi.PsiElement;
import com.intellij.ui.PopupHandler;
import com.intellij.ui.TreeSpeedSearch;
import com.intellij.ui.treeStructure.Tree;
import com.intellij.util.EditSourceOnDoubleClickHandler;
import com.intellij.util.containers.Convertor;
import com.intellij.util.ui.tree.TreeUtil;
import org.intellij.lang.annotations.JdkConstants;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import javax.swing.plaf.TreeUI;
import javax.swing.tree.*;
import java.awt.datatransfer.StringSelection;
import java.util.ArrayList;
import java.util.List;

public abstract class TestTreeView extends Tree implements DataProvider, CopyProvider {
    private TestFrameworkRunningModel myModel;

    protected abstract TreeCellRenderer getRenderer(TestConsoleProperties properties);

    public abstract AbstractTestProxy getSelectedTest(@NotNull TreePath selectionPath);

    @Nullable
    public AbstractTestProxy getSelectedTest() {
        TreePath[] paths = getSelectionPaths();
        if (paths != null && paths.length > 1)
            return null;
        final TreePath selectionPath = getSelectionPath();
        return selectionPath != null ? getSelectedTest(selectionPath) : null;
    }

    public void attachToModel(final TestFrameworkRunningModel model) {
        setModel(new DefaultTreeModel(new DefaultMutableTreeNode(model.getRoot())));
        getSelectionModel().setSelectionMode(getSelectionMode());
        myModel = model;
        Disposer.register(myModel, myModel.getRoot());
        Disposer.register(myModel, new Disposable() {
            public void dispose() {
                setModel(null);
                myModel = null;
            }
        });
        installHandlers();
        setCellRenderer(getRenderer(myModel.getProperties()));
    }

    public void setUI(final TreeUI ui) {
        super.setUI(ui);
        final int fontHeight = getFontMetrics(getFont()).getHeight();
        final int iconHeight = PoolOfTestIcons.PASSED_ICON.getIconHeight();
        setRowHeight(Math.max(fontHeight, iconHeight) + 2);
        setLargeModel(true);
    }

    public Object getData(final String dataId) {
        if (PlatformDataKeys.COPY_PROVIDER.is(dataId)) {
            return this;
        }

        if (LangDataKeys.PSI_ELEMENT_ARRAY.is(dataId)) {
            TreePath[] paths = getSelectionPaths();
            if (paths != null && paths.length > 1) {
                final List<PsiElement> els = new ArrayList<PsiElement>(paths.length);
                for (TreePath path : paths) {
                    AbstractTestProxy test = getSelectedTest(path);
                    if (test != null) {
                        final PsiElement psiElement = (PsiElement) TestsUIUtil.getData(test,
                                LangDataKeys.PSI_ELEMENT.getName(), myModel);
                        if (psiElement != null) {
                            els.add(psiElement);
                        }
                    }
                }
                return els.isEmpty() ? null : els.toArray(new PsiElement[els.size()]);
            }
        }

        final TreePath selectionPath = getSelectionPath();
        if (selectionPath == null)
            return null;
        final AbstractTestProxy testProxy = getSelectedTest(selectionPath);
        if (testProxy == null)
            return null;
        return TestsUIUtil.getData(testProxy, dataId, myModel);
    }

    @Override
    public void performCopy(@NotNull DataContext dataContext) {
        final PsiElement element = LangDataKeys.PSI_ELEMENT.getData(dataContext);
        CopyPasteManager.getInstance()
                .setContents(new StringSelection(QualifiedNameProviders.elementToFqn(element)));
    }

    @Override
    public boolean isCopyEnabled(@NotNull DataContext dataContext) {
        return LangDataKeys.PSI_ELEMENT.getData(dataContext) != null;
    }

    @Override
    public boolean isCopyVisible(@NotNull DataContext dataContext) {
        return true;
    }

    protected void installHandlers() {
        EditSourceOnDoubleClickHandler.install(this);
        new TreeSpeedSearch(this, new Convertor<TreePath, String>() {
            public String convert(final TreePath path) {
                final AbstractTestProxy testProxy = getSelectedTest(path);
                if (testProxy == null)
                    return null;
                return testProxy.getName();
            }
        });
        TreeUtil.installActions(this);
        PopupHandler.installPopupHandler(this, IdeActions.GROUP_TESTTREE_POPUP, ActionPlaces.TESTTREE_VIEW_POPUP);
        ViewAssertEqualsDiffAction.registerShortcut(this);
    }

    @JdkConstants.TreeSelectionMode
    protected int getSelectionMode() {
        return TreeSelectionModel.SINGLE_TREE_SELECTION;
    }
}