content: /*
   * Created on Mar 10, 2010
   * 
   * 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.
   * 
   * Copyright @2010-2013 the original author or authors.
   */
  package org.fest.swing.driver;
  
  import static java.util.Arrays.sort;
  import static org.fest.assertions.Fail.fail;
  import static org.fest.swing.driver.JTreeMatchingPathQuery.matchingPathWithRootIfInvisible;
  import static org.fest.swing.edt.GuiActionRunner.execute;
  import static org.fest.util.Arrays.format;
  import static org.fest.util.Objects.areEqual;
  import static org.fest.util.Preconditions.checkNotNull;
  
  import java.util.Arrays;
  
  import javax.annotation.Nonnull;
  import javax.swing.JTree;
  import javax.swing.tree.TreePath;
  
  import org.fest.assertions.Description;
  import org.fest.swing.annotation.RunsInCurrentThread;
  import org.fest.swing.annotation.RunsInEDT;
  import org.fest.swing.edt.GuiTask;
  
  /**
   * Verifies that a {@code JTree} has the expected selection.
   *
   * @author Alex Ruiz
   *
   * @since 1.2
   */
  final class JTreeVerifySelectionTask {
    @RunsInEDT
    static void checkHasSelection(final @Nonnull JTree tree, final @Nonnull int[] selection,
        final @Nonnull Description errMsg) {
      execute(new GuiTask() {
        @Override protected void executeInEDT() {
          checkSelection(tree, selection, errMsg);
        }
      });
    }
  
    @RunsInCurrentThread
    private static void checkSelection(@Nonnull JTree tree, @Nonnull int[] selection, @Nonnull Description errMsg) {
      int[] selectionRows = tree.getSelectionRows();
      if (selectionRows == null || selectionRows.length == 0) {
        failNoSelection(errMsg);
        return;
      }
      sort(selection);
      if (Arrays.equals(selectionRows, selection)) {
        return;
      }
      throw failNotEqualSelection(errMsg, selection, selectionRows);
    }
  
    private static @Nonnull AssertionError failNotEqualSelection(@Nonnull Description errMsg, @Nonnull int[] expected,
        @Nonnull int[] actual) {
      String format = "[%s] expecting selection:<%s> but was:<%s>";
      String msg = String.format(format, errMsg.value(), format(expected), format(actual));
      throw fail(msg);
    }
  
    @RunsInEDT
    static void checkHasSelection(final @Nonnull JTree tree, final @Nonnull String[] selection,
        final @Nonnull JTreePathFinder pathFinder, final @Nonnull Description errMsg) {
      execute(new GuiTask() {
        @Override protected void executeInEDT() {
          checkSelection(tree, selection, pathFinder, errMsg);
        }
      });
    }
  
    @RunsInCurrentThread
    private static void checkSelection(@Nonnull JTree tree, @Nonnull String[] selection,
        @Nonnull JTreePathFinder pathFinder, @Nonnull Description errMsg) {
      TreePath[] selectionPaths = tree.getSelectionPaths();
      if (selectionPaths == null || selectionPaths.length == 0) {
        failNoSelection(errMsg);
        return;
      }
      int selectionCount = selection.length;
      if (selectionCount != selectionPaths.length) {
        throw failNotEqualSelection(errMsg, selection, selectionPaths);
      }
      for (int i = 0; i < selectionCount; i++) {
        TreePath expected = matchingPathWithRootIfInvisible(tree, checkNotNull(selection[i]), pathFinder);
        TreePath actual = selectionPaths[i];
        if (!areEqual(expected, actual)) {
          throw failNotEqualSelection(errMsg, selection, selectionPaths);
        }
      }
    }
  
    private static @Nonnull AssertionError failNotEqualSelection(@Nonnull Description errMsg, @Nonnull String[] expected,
        @Nonnull TreePath[] actual) {
      String format = "[%s] expecting selection:<%s> but was:<%s>";
      String msg = String.format(format, errMsg.value(), format(expected), format(actual));
      throw fail(msg);
    }
  
    private static void failNoSelection(final @Nonnull Description errMessage) {
      fail(String.format("[%s] No selection", errMessage.value()));
    }
  
  
    @RunsInEDT
    static void checkNoSelection(final @Nonnull JTree tree, final @Nonnull Description errMsg) {
      execute(new GuiTask() {
        @Override protected void executeInEDT() {
          if (tree.getSelectionCount() == 0) {
            return;
          }
          String format = "[%s] expected no selection but was:<%s>";
          String message = String.format(format, errMsg.value(), format(tree.getSelectionPaths()));
          fail(message);
        }
      });
    }
  
    private JTreeVerifySelectionTask() {}
  }
  