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Fluent interface for functional GUI testing
/*
* Created on Jan 12, 2008
*
* 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 @2008-2013 the original author or authors.
*/
package org.assertj.swing.driver;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.util.Preconditions.checkNotNull;
import static org.assertj.core.util.Preconditions.checkNotNullOrEmpty;
import static org.assertj.core.util.Strings.concat;
import static org.assertj.swing.core.MouseButton.LEFT_BUTTON;
import static org.assertj.swing.core.MouseButton.RIGHT_BUTTON;
import static org.assertj.swing.driver.ComponentPreconditions.checkEnabledAndShowing;
import static org.assertj.swing.driver.JTreeChildrenShowUpCondition.untilChildrenShowUp;
import static org.assertj.swing.driver.JTreeClearSelectionTask.clearSelectionOf;
import static org.assertj.swing.driver.JTreeEditableQuery.isEditable;
import static org.assertj.swing.driver.JTreeExpandPathTask.expandTreePath;
import static org.assertj.swing.driver.JTreeMatchingPathQuery.matchingPathFor;
import static org.assertj.swing.driver.JTreeMatchingPathQuery.verifyJTreeIsReadyAndFindMatchingPath;
import static org.assertj.swing.driver.JTreeNodeTextQuery.nodeText;
import static org.assertj.swing.driver.JTreeToggleExpandStateTask.toggleExpandState;
import static org.assertj.swing.driver.JTreeVerifySelectionTask.checkHasSelection;
import static org.assertj.swing.driver.JTreeVerifySelectionTask.checkNoSelection;
import static org.assertj.swing.edt.GuiActionRunner.execute;
import static org.assertj.swing.exception.ActionFailedException.actionFailure;
import static org.assertj.swing.timing.Pause.pause;
import java.awt.Point;
import java.awt.Rectangle;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.swing.JPopupMenu;
import javax.swing.JTree;
import javax.swing.plaf.TreeUI;
import javax.swing.plaf.basic.BasicTreeUI;
import javax.swing.tree.TreePath;
import org.assertj.core.description.Description;
import org.assertj.core.util.VisibleForTesting;
import org.assertj.swing.annotation.RunsInCurrentThread;
import org.assertj.swing.annotation.RunsInEDT;
import org.assertj.swing.cell.JTreeCellReader;
import org.assertj.swing.core.MouseButton;
import org.assertj.swing.core.MouseClickInfo;
import org.assertj.swing.core.Robot;
import org.assertj.swing.edt.GuiQuery;
import org.assertj.swing.edt.GuiTask;
import org.assertj.swing.exception.ActionFailedException;
import org.assertj.swing.exception.ComponentLookupException;
import org.assertj.swing.exception.LocationUnavailableException;
import org.assertj.swing.exception.WaitTimedOutError;
import org.assertj.swing.internal.annotation.InternalApi;
import org.assertj.swing.util.ArrayPreconditions;
import org.assertj.swing.util.Pair;
import org.assertj.swing.util.Triple;
/**
*
* Supports functional testing of {@code JTree}s.
*
*
*
* Note: This class is intended for internal use only. Please use the classes in the package
* {@link org.assertj.swing.fixture} in your tests.
*
*
* @author Alex Ruiz
*/
@InternalApi
public class JTreeDriver extends JComponentDriver {
private static final String EDITABLE_PROPERTY = "editable";
private static final String SELECTION_PROPERTY = "selection";
private final JTreeLocation location;
private final JTreePathFinder pathFinder;
/**
* Creates a new {@link JTreeDriver}.
*
* @param robot the robot to use to simulate user input.
*/
public JTreeDriver(@Nonnull Robot robot) {
super(robot);
location = new JTreeLocation();
pathFinder = new JTreePathFinder();
}
/**
* Clicks the given row.
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
*/
@RunsInEDT
public void clickRow(@Nonnull JTree tree, int row) {
Point p = scrollToRow(tree, row);
robot.click(tree, p);
}
/**
* Clicks the given row.
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @param button the mouse button to use.
* @throws NullPointerException if the given button is {@code null}.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
*/
@RunsInEDT
public void clickRow(@Nonnull JTree tree, int row, @Nonnull MouseButton button) {
checkNotNull(button);
clickRow(tree, row, button, 1);
}
/**
* Clicks the given row.
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @param mouseClickInfo specifies the mouse button to use and how many times to click.
* @throws NullPointerException if the given {@code MouseClickInfo} is {@code null}.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
*/
@RunsInEDT
public void clickRow(@Nonnull JTree tree, int row, @Nonnull MouseClickInfo mouseClickInfo) {
checkNotNull(mouseClickInfo);
clickRow(tree, row, mouseClickInfo.button(), mouseClickInfo.times());
}
@RunsInEDT
private void clickRow(@Nonnull JTree tree, int row, @Nonnull MouseButton button, int times) {
Point p = scrollToRow(tree, row);
robot.click(tree, p, button, times);
}
/**
* Double-clicks the given row.
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
*/
@RunsInEDT
public void doubleClickRow(@Nonnull JTree tree, int row) {
Point p = scrollToRow(tree, row);
doubleClick(tree, p);
}
/**
* Right-clicks the given row.
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
*/
@RunsInEDT
public void rightClickRow(@Nonnull JTree tree, int row) {
Point p = scrollToRow(tree, row);
rightClick(tree, p);
}
@RunsInEDT
private @Nonnull
Point scrollToRow(@Nonnull JTree tree, int row) {
Point p = scrollToRow(tree, row, location()).second;
robot.waitForIdle();
return checkNotNull(p);
}
/**
* Clicks the given path, expanding parent nodes if necessary.
*
* @param tree the target {@code JTree}.
* @param path the path to path.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
*/
@RunsInEDT
public void clickPath(@Nonnull JTree tree, @Nonnull String path) {
Point p = scrollToPath(tree, path);
robot.click(tree, p);
}
/**
* Clicks the given path, expanding parent nodes if necessary.
*
* @param tree the target {@code JTree}.
* @param path the path to path.
* @param button the mouse button to use.
* @throws NullPointerException if the given button is {@code null}.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
*/
@RunsInEDT
public void clickPath(@Nonnull JTree tree, @Nonnull String path, @Nonnull MouseButton button) {
checkNotNull(button);
clickPath(tree, path, button, 1);
}
/**
* Clicks the given path, expanding parent nodes if necessary.
*
* @param tree the target {@code JTree}.
* @param path the path to path.
* @param mouseClickInfo specifies the mouse button to use and how many times to click.
* @throws NullPointerException if the given {@code MouseClickInfo} is {@code null}.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
*/
@RunsInEDT
public void clickPath(@Nonnull JTree tree, @Nonnull String path, @Nonnull MouseClickInfo mouseClickInfo) {
checkNotNull(mouseClickInfo);
clickPath(tree, path, mouseClickInfo.button(), mouseClickInfo.times());
}
private void clickPath(@Nonnull JTree tree, @Nonnull String path, @Nonnull MouseButton button, int times) {
Point p = scrollToPath(tree, path);
robot.click(tree, p, button, times);
}
/**
* Double-clicks the given path.
*
* @param tree the target {@code JTree}.
* @param path the path to double-click.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
*/
@RunsInEDT
public void doubleClickPath(@Nonnull JTree tree, @Nonnull String path) {
Point p = scrollToPath(tree, path);
doubleClick(tree, p);
}
private @Nonnull
Point scrollToPath(@Nonnull JTree tree, @Nonnull String path) {
Point p = scrollToMatchingPath(tree, path).third;
robot.waitForIdle();
return checkNotNull(p);
}
private void doubleClick(@Nonnull JTree tree, @Nonnull Point p) {
robot.click(tree, p, LEFT_BUTTON, 2);
}
/**
* Right-clicks the given path, expanding parent nodes if necessary.
*
* @param tree the target {@code JTree}.
* @param path the path to path.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
*/
@RunsInEDT
public void rightClickPath(@Nonnull JTree tree, @Nonnull String path) {
Point p = scrollToPath(tree, path);
rightClick(tree, p);
}
private void rightClick(@Nonnull JTree tree, @Nonnull Point p) {
robot.click(tree, p, RIGHT_BUTTON, 1);
}
/**
* Expands the given row, is possible. If the row is already expanded, this method will not do anything.
*
* NOTE: a reasonable assumption is that the toggle control is just to the left of the row bounds and is roughly a
* square the dimensions of the row height. Clicking in the center of that square should work.
*
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
* @throws ActionFailedException if this method fails to expand the row.
*/
@RunsInEDT
public void expandRow(@Nonnull JTree tree, int row) {
Triple info = scrollToRowAndGetToggleInfo(tree, row, location());
robot.waitForIdle();
if (info.first) {
return; // already expanded
}
toggleCell(tree, checkNotNull(info.second), info.third);
}
/**
* Collapses the given row, is possible. If the row is already collapsed, this method will not do anything.
*
* NOTE: a reasonable assumption is that the toggle control is just to the left of the row bounds and is roughly a
* square the dimensions of the row height. Clicking in the center of that square should work.
*
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
* @throws ActionFailedException if this method fails to collapse the row.
*/
@RunsInEDT
public void collapseRow(@Nonnull JTree tree, int row) {
Triple info = scrollToRowAndGetToggleInfo(tree, row, location());
robot.waitForIdle();
if (!info.first) {
return; // already collapsed
}
toggleCell(tree, checkNotNull(info.second), info.third);
}
/**
* Change the open/closed state of the given row, if possible.
*
* NOTE: a reasonable assumption is that the toggle control is just to the left of the row bounds and is roughly a
* square the dimensions of the row height. Clicking in the center of that square should work.
*
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
* @throws ActionFailedException if this method fails to toggle the row.
*/
@RunsInEDT
public void toggleRow(@Nonnull JTree tree, int row) {
Triple info = scrollToRowAndGetToggleInfo(tree, row, location());
robot.waitForIdle();
toggleCell(tree, checkNotNull(info.second), info.third);
}
/*
* Returns: 1. if the row is expanded 2. the location of the row 3. the number of mouse clicks to toggle a row
*/
@RunsInEDT
private static @Nonnull
Triple scrollToRowAndGetToggleInfo(final @Nonnull JTree tree, final int row,
final @Nonnull JTreeLocation location) {
Triple result = execute(new GuiQuery>() {
@Override
protected Triple executeInEDT() {
checkEnabledAndShowing(tree);
Point p = scrollToVisible(tree, row, location);
return Triple.of(tree.isExpanded(row), p, tree.getToggleClickCount());
}
});
return checkNotNull(result);
}
/**
* Expands the given path, is possible. If the path is already expanded, this method will not do anything.
*
* NOTE: a reasonable assumption is that the toggle control is just to the left of the row bounds and is roughly a
* square the dimensions of the row height. Clicking in the center of that square should work.
*
*
* @param tree the target {@code JTree}.
* @param path the path to expand.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
* @throws ActionFailedException if this method fails to expand the path.
*/
@RunsInEDT
public void expandPath(@Nonnull JTree tree, @Nonnull String path) {
Triple info = scrollToMatchingPathAndGetToggleInfo(tree, path, pathFinder(), location());
if (info.first) {
return; // already expanded
}
toggleCell(tree, checkNotNull(info.second), info.third);
}
/**
* Collapses the given path, is possible. If the path is already expanded, this method will not do anything.
*
* NOTE: a reasonable assumption is that the toggle control is just to the left of the row bounds and is roughly a
* square the dimensions of the row height. Clicking in the center of that square should work.
*
*
* @param tree the target {@code JTree}.
* @param path the path to collapse.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
* @throws ActionFailedException if this method fails to collapse the path.
*/
@RunsInEDT
public void collapsePath(@Nonnull JTree tree, @Nonnull String path) {
Triple info = scrollToMatchingPathAndGetToggleInfo(tree, path, pathFinder(), location());
if (!info.first) {
return; // already collapsed
}
toggleCell(tree, checkNotNull(info.second), info.third);
}
/*
* Returns: 1. if the node is expanded 2. the location of the node 3. the number of mouse clicks to toggle a node
*/
@RunsInEDT
private static @Nonnull
Triple scrollToMatchingPathAndGetToggleInfo(final @Nonnull JTree tree,
final @Nonnull String path, final @Nonnull JTreePathFinder pathFinder, final @Nonnull JTreeLocation location) {
Triple result = execute(new GuiQuery>() {
@Override
protected Triple executeInEDT() {
checkEnabledAndShowing(tree);
TreePath matchingPath = matchingPathFor(tree, path, pathFinder);
Point p = scrollToTreePath(tree, matchingPath, location);
return Triple.of(tree.isExpanded(matchingPath), p, tree.getToggleClickCount());
}
});
return checkNotNull(result);
}
@RunsInEDT
private void toggleCell(@Nonnull JTree tree, @Nonnull Point p, int toggleClickCount) {
if (toggleClickCount == 0) {
toggleRowThroughTreeUI(tree, p);
robot.waitForIdle();
return;
}
robot.click(tree, p, LEFT_BUTTON, toggleClickCount);
}
@RunsInEDT
private static void toggleRowThroughTreeUI(final @Nonnull JTree tree, final @Nonnull Point p) {
execute(new GuiTask() {
@Override
protected void executeInEDT() {
TreeUI treeUI = tree.getUI();
if (!(treeUI instanceof BasicTreeUI)) {
throw actionFailure(concat("Can't toggle row for ", treeUI));
}
toggleExpandState(tree, p);
}
});
}
/**
* Selects the given rows.
*
* @param tree the target {@code JTree}.
* @param rows the rows to select.
* @throws NullPointerException if the array of rows is {@code null}.
* @throws IllegalArgumentException if the array of rows is empty.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if any of the given rows is less than zero or equal than or greater than the
* number of visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for any of the given rows cannot be found.
*/
@RunsInEDT
public void selectRows(final @Nonnull JTree tree, final @Nonnull int[] rows) {
ArrayPreconditions.checkNotNullOrEmpty(rows);
clearSelection(tree);
new MultipleSelectionTemplate(robot) {
@Override
int elementCount() {
return rows.length;
}
@Override
void selectElement(int index) {
selectRow(tree, rows[index]);
}
}.multiSelect();
}
@RunsInEDT
private void clearSelection(final @Nonnull JTree tree) {
clearSelectionOf(tree);
robot.waitForIdle();
}
/**
* Selects the given row.
*
* @param tree the target {@code JTree}.
* @param row the row to select.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
*/
@RunsInEDT
public void selectRow(@Nonnull JTree tree, int row) {
scrollAndSelectRow(tree, row);
}
/**
* Selects the given paths, expanding parent nodes if necessary.
*
* @param tree the target {@code JTree}.
* @param paths the paths to select.
* @throws NullPointerException if the array of rows is {@code null}.
* @throws IllegalArgumentException if the array of rows is empty.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if any the given path cannot be found.
*/
@RunsInEDT
public void selectPaths(final @Nonnull JTree tree, final @Nonnull String[] paths) {
checkNotNullOrEmpty(paths);
clearSelection(tree);
new MultipleSelectionTemplate(robot) {
@Override
int elementCount() {
return paths.length;
}
@Override
void selectElement(int index) {
selectPath(tree, checkNotNull(paths[index]));
}
}.multiSelect();
}
/**
* Selects the given path, expanding parent nodes if necessary. Unlike {@link #clickPath(JTree, String)}, this method
* will not click the path if it is already selected
*
* @param tree the target {@code JTree}.
* @param path the path to select.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
*/
@RunsInEDT
public void selectPath(@Nonnull JTree tree, @Nonnull String path) {
selectMatchingPath(tree, path);
}
/**
* Shows a pop-up menu at the position of the node in the given row.
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @return a driver that manages the displayed pop-up menu.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws ComponentLookupException if a pop-up menu cannot be found.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
*/
@RunsInEDT
public @Nonnull
JPopupMenu showPopupMenu(@Nonnull JTree tree, int row) {
Pair info = scrollToRow(tree, row, location());
Point p = checkNotNull(info.second);
return robot.showPopupMenu(tree, p);
}
/**
* Shows a pop-up menu at the position of the last node in the given path. The last node in the given path will be
* made visible (by expanding the parent node(s)) if it is not visible.
*
* @param tree the target {@code JTree}.
* @param path the given path.
* @return a driver that manages the displayed pop-up menu.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws ComponentLookupException if a pop-up menu cannot be found.
* @throws LocationUnavailableException if the given path cannot be found.
* @see #replaceSeparator(String)
*/
@RunsInEDT
public @Nonnull
JPopupMenu showPopupMenu(@Nonnull JTree tree, @Nonnull String path) {
Triple info = scrollToMatchingPath(tree, path);
robot.waitForIdle();
Point where = checkNotNull(info.third);
return robot.showPopupMenu(tree, where);
}
/**
* Starts a drag operation at the location of the given row.
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
*/
@RunsInEDT
public void drag(@Nonnull JTree tree, int row) {
Point p = scrollAndSelectRow(tree, row);
drag(tree, p);
}
@RunsInEDT
private @Nonnull
Point scrollAndSelectRow(@Nonnull JTree tree, int row) {
Pair info = scrollToRow(tree, row, location());
Point p = checkNotNull(info.second);
if (!info.first) {
robot.click(tree, p); // path not selected, click to select
}
return p;
}
/**
* Ends a drag operation at the location of the given row.
*
* @param tree the target {@code JTree}.
* @param row the given row.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
* @throws ActionFailedException if there is no drag action in effect.
*/
@RunsInEDT
public void drop(@Nonnull JTree tree, int row) {
Pair info = scrollToRow(tree, row, location());
drop(tree, checkNotNull(info.second));
}
/*
* Returns: 1. if the node is expanded 2. the location of the node
*/
@RunsInEDT
private static @Nonnull
Pair scrollToRow(final @Nonnull JTree tree, final int row, final @Nonnull JTreeLocation location) {
Pair result = execute(new GuiQuery>() {
@Override
protected Pair executeInEDT() {
checkEnabledAndShowing(tree);
Point p = scrollToVisible(tree, row, location);
boolean selected = tree.getSelectionCount() == 1 && tree.isRowSelected(row);
return Pair.of(selected, p);
}
});
return checkNotNull(result);
}
@RunsInCurrentThread
private static @Nonnull
Point scrollToVisible(@Nonnull JTree tree, int row, @Nonnull JTreeLocation location) {
Pair boundsAndCoordinates = location.rowBoundsAndCoordinates(tree, row);
tree.scrollRectToVisible(boundsAndCoordinates.first);
return checkNotNull(boundsAndCoordinates.second);
}
/**
* Starts a drag operation at the location of the given {@code TreePath}.
*
* @param tree the target {@code JTree}.
* @param path the given path.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
* @see #replaceSeparator(String)
*/
@RunsInEDT
public void drag(@Nonnull JTree tree, @Nonnull String path) {
Point p = selectMatchingPath(tree, path);
drag(tree, p);
}
@RunsInEDT
private @Nonnull
Point selectMatchingPath(@Nonnull JTree tree, @Nonnull String path) {
Triple info = scrollToMatchingPath(tree, path);
robot.waitForIdle();
Point where = checkNotNull(info.third);
if (!info.second) {
robot.click(tree, where); // path not selected, click to select
}
return where;
}
/**
* Ends a drag operation at the location of the given {@code TreePath}.
*
* @param tree the target {@code JTree}.
* @param path the given path.
* @throws IllegalStateException if the {@code JTree} is disabled.
* @throws IllegalStateException if the {@code JTree} is not showing on the screen.
* @throws LocationUnavailableException if the given path cannot be found.
* @throws ActionFailedException if there is no drag action in effect.
* @see #replaceSeparator(String)
*/
@RunsInEDT
public void drop(@Nonnull JTree tree, @Nonnull String path) {
Point p = scrollToMatchingPath(tree, path).third;
drop(tree, checkNotNull(p));
}
/*
* returns: 1. the found matching path 2. whether the path is already selected 3. the location where the path is in
* the JTree
*/
@RunsInEDT
private @Nonnull
Triple scrollToMatchingPath(@Nonnull JTree tree, @Nonnull String path) {
TreePath matchingPath = verifyJTreeIsReadyAndFindMatchingPath(tree, path, pathFinder());
makeVisible(tree, matchingPath, false);
Pair info = scrollToPathToSelect(tree, matchingPath, location());
return Triple.of(matchingPath, info.first, info.second);
}
/*
* returns: 1. whether the path is already selected 2. the location where the path is in the JTree
*/
@RunsInEDT
private static @Nonnull
Pair scrollToPathToSelect(final @Nonnull JTree tree, final @Nonnull TreePath path,
final @Nonnull JTreeLocation location) {
Pair result = execute(new GuiQuery>() {
@Override
protected Pair executeInEDT() {
boolean isSelected = tree.getSelectionCount() == 1 && tree.isPathSelected(path);
return Pair.of(isSelected, scrollToTreePath(tree, path, location));
}
});
return checkNotNull(result);
}
@RunsInCurrentThread
private static @Nonnull
Point scrollToTreePath(@Nonnull JTree tree, @Nonnull TreePath path, @Nonnull JTreeLocation location) {
Pair boundsAndCoordinates = location.pathBoundsAndCoordinates(tree, path);
tree.scrollRectToVisible(boundsAndCoordinates.first);
return checkNotNull(boundsAndCoordinates.second);
}
@RunsInEDT
private boolean makeParentVisible(@Nonnull JTree tree, @Nonnull TreePath path) {
boolean changed = makeVisible(tree, checkNotNull(path.getParentPath()), true);
if (changed) {
robot.waitForIdle();
}
return changed;
}
/**
* Matches, makes visible, and expands the path one component at a time, from uppermost ancestor on down, since
* children may be lazily loaded/created.
*
* @param tree the target {@code JTree}.
* @param path the tree path to make visible.
* @param expandWhenFound indicates if nodes should be expanded or not when found.
* @return if it was necessary to make visible and/or expand a node in the path.
*/
@RunsInEDT
private boolean makeVisible(@Nonnull JTree tree, @Nonnull TreePath path, boolean expandWhenFound) {
boolean changed = false;
if (path.getPathCount() > 1) {
changed = makeParentVisible(tree, path);
}
if (!expandWhenFound) {
return changed;
}
expandTreePath(tree, path);
waitForChildrenToShowUp(tree, path);
return true;
}
@RunsInEDT
private void waitForChildrenToShowUp(@Nonnull JTree tree, @Nonnull TreePath path) {
int timeout = robot.settings().timeoutToBeVisible();
try {
pause(untilChildrenShowUp(tree, path), timeout);
} catch (WaitTimedOutError e) {
throw new LocationUnavailableException(e.getMessage());
}
}
/**
* Asserts that the given {@code JTree}'s selected rows are equal to the given one.
*
* @param tree the target {@code JTree}.
* @param rows the indices of the rows, expected to be selected.
* @throws NullPointerException if the array of row indices is {@code null}.
* @throws AssertionError if the given {@code JTree} selection is not equal to the given rows.
*/
@RunsInEDT
public void requireSelection(@Nonnull JTree tree, @Nonnull int[] rows) {
checkNotNull(rows);
checkHasSelection(tree, rows, selectionProperty(tree));
}
/**
* Asserts that the given {@code JTree}'s selected paths are equal to the given one.
*
* @param tree the target {@code JTree}.
* @param paths the given paths, expected to be selected.
* @throws NullPointerException if the array of paths is {@code null}.
* @throws LocationUnavailableException if any of the given paths cannot be found.
* @throws AssertionError if the given {@code JTree} selection is not equal to the given paths.
* @see #replaceSeparator(String)
*/
@RunsInEDT
public void requireSelection(@Nonnull JTree tree, @Nonnull String[] paths) {
checkNotNull(paths);
checkHasSelection(tree, paths, pathFinder(), selectionProperty(tree));
}
/**
* Asserts that the given {@code JTree} does not have any selection.
*
* @param tree the given {@code JTree}.
* @throws AssertionError if the {@code JTree} has a selection.
*/
@RunsInEDT
public void requireNoSelection(@Nonnull JTree tree) {
checkNoSelection(tree, selectionProperty(tree));
}
@RunsInEDT
private @Nonnull
Description selectionProperty(@Nonnull JTree tree) {
return propertyName(tree, SELECTION_PROPERTY);
}
/**
* Asserts that the given {@code JTree} is editable.
*
* @param tree the given {@code JTree}.
* @throws AssertionError if the {@code JTree} is not editable.
*/
@RunsInEDT
public void requireEditable(@Nonnull JTree tree) {
assertEditable(tree, true);
}
/**
* Asserts that the given {@code JTree} is not editable.
*
* @param tree the given {@code JTree}.
* @throws AssertionError if the {@code JTree} is editable.
*/
@RunsInEDT
public void requireNotEditable(@Nonnull JTree tree) {
assertEditable(tree, false);
}
@RunsInEDT
private void assertEditable(@Nonnull JTree tree, boolean editable) {
assertThat(isEditable(tree)).as(editableProperty(tree)).isEqualTo(editable);
}
@RunsInEDT
private static @Nonnull
Description editableProperty(@Nonnull JTree tree) {
return propertyName(tree, EDITABLE_PROPERTY);
}
/**
* @return the separator to use when converting {@code TreePath}s to {@code String}s.
*/
public @Nonnull
String separator() {
return pathFinder.separator();
}
/**
* Updates the separator to use when converting {@code TreePath}s to {@code String}s.
*
* @param newSeparator the new separator.
* @throws NullPointerException if the given separator is {@code null}.
*/
public void replaceSeparator(@Nonnull String newSeparator) {
pathFinder.replaceSeparator(checkNotNull(newSeparator));
}
/**
* Updates the implementation of {@link JTreeCellReader} to use when comparing internal values of a {@code JTree} and
* the values expected in a test.
*
* @param newCellReader the new {@code JTreeCellValueReader} to use.
* @throws NullPointerException if {@code newCellReader} is {@code null}.
*/
public void replaceCellReader(@Nonnull JTreeCellReader newCellReader) {
pathFinder.replaceCellReader(checkNotNull(newCellReader));
}
/**
* Verifies that the given row index is valid.
*
* @param tree the given {@code JTree}.
* @param row the given index.
* @throws IndexOutOfBoundsException if the given index is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
*/
@RunsInEDT
public void checkRowInBounds(@Nonnull JTree tree, int row) {
location.checkRowInBounds(tree, row);
}
/**
* Verifies that the given node path exists.
*
* @param tree the given {@code JTree}.
* @param path the given path.
* @throws LocationUnavailableException if the given path cannot be found.
*/
@RunsInEDT
public void checkPathExists(@Nonnull JTree tree, @Nonnull String path) {
matchingPathFor(tree, path, pathFinder());
}
/**
* Returns the {@code String} representation of the node at the given path.
*
* @param tree the given {@code JTree}.
* @param path the given path.
* @return the {@code String} representation of the node at the given path.
* @throws LocationUnavailableException if the given path cannot be found.
*/
@RunsInEDT
public @Nullable
String nodeValue(@Nonnull JTree tree, @Nonnull String path) {
return nodeText(tree, path, pathFinder());
}
/**
* Returns the {@code String} representation of the node at the given row index.
*
* @param tree the given {@code JTree}.
* @param row the given row.
* @return the {@code String} representation of the node at the given row index.
* @throws IndexOutOfBoundsException if the given row is less than zero or equal than or greater than the number of
* visible rows in the {@code JTree}.
* @throws LocationUnavailableException if a tree path for the given row cannot be found.
*/
public @Nullable
String nodeValue(@Nonnull JTree tree, int row) {
return nodeText(tree, row, location(), pathFinder());
}
@VisibleForTesting
JTreeCellReader cellReader() {
return pathFinder.cellReader();
}
private @Nonnull
JTreeLocation location() {
return location;
}
private @Nonnull
JTreePathFinder pathFinder() {
return pathFinder;
}
}