/** @author max */
public class ChangesListView extends Tree implements TypeSafeDataProvider, AdvancedDnDSource {
private ChangesListView.DropTarget myDropTarget;
private DnDManager myDndManager;
private ChangeListOwner myDragOwner;
private final Project myProject;
private TreeState myTreeState;
private boolean myShowFlatten = false;
private final CopyProvider myCopyProvider;
@NonNls public static final String HELP_ID_KEY = "helpId";
@NonNls public static final String ourHelpId = "ideaInterface.changes";
@NonNls
public static final DataKey<List<VirtualFile>> UNVERSIONED_FILES_DATA_KEY =
DataKey.create("ChangeListView.UnversionedFiles");
@NonNls
public static final DataKey<List<FilePath>> MISSING_FILES_DATA_KEY =
DataKey.create("ChangeListView.MissingFiles");
@NonNls
public static final DataKey<List<LocallyDeletedChange>> LOCALLY_DELETED_CHANGES =
DataKey.create("ChangeListView.LocallyDeletedChanges");
@NonNls public static final DataKey<String> HELP_ID_DATA_KEY = DataKey.create(HELP_ID_KEY);
private ActionGroup myMenuGroup;
public ChangesListView(final Project project) {
myProject = project;
getModel().setRoot(ChangesBrowserNode.create(myProject, TreeModelBuilder.ROOT_NODE_VALUE));
setShowsRootHandles(true);
setRootVisible(false);
new TreeSpeedSearch(this, new NodeToTextConvertor());
SmartExpander.installOn(this);
myCopyProvider = new TreeCopyProvider(this);
new TreeLinkMouseListener(new ChangesBrowserNodeRenderer(myProject, false, false))
.installOn(this);
}
@Override
public DefaultTreeModel getModel() {
return (DefaultTreeModel) super.getModel();
}
public void installDndSupport(ChangeListOwner owner) {
myDragOwner = owner;
myDropTarget = new DropTarget();
myDndManager = DnDManager.getInstance();
myDndManager.registerSource(this);
myDndManager.registerTarget(myDropTarget, this);
}
@Override
public void dispose() {
if (myDropTarget != null) {
myDndManager.unregisterSource(this);
myDndManager.unregisterTarget(myDropTarget, this);
myDropTarget = null;
myDndManager = null;
myDragOwner = null;
}
}
private void storeState() {
myTreeState = TreeState.createOn(this, (ChangesBrowserNode) getModel().getRoot());
}
private void restoreState() {
myTreeState.applyTo(this, (ChangesBrowserNode) getModel().getRoot());
}
public boolean isShowFlatten() {
return myShowFlatten;
}
public void setShowFlatten(final boolean showFlatten) {
myShowFlatten = showFlatten;
}
public void updateModel(
List<? extends ChangeList> changeLists,
Trinity<List<VirtualFile>, Integer, Integer> unversionedFiles,
final List<LocallyDeletedChange> locallyDeletedFiles,
List<VirtualFile> modifiedWithoutEditing,
MultiMap<String, VirtualFile> switchedFiles,
@Nullable Map<VirtualFile, String> switchedRoots,
@Nullable List<VirtualFile> ignoredFiles,
final List<VirtualFile> lockedFolders,
@Nullable final Map<VirtualFile, LogicalLock> logicallyLockedFiles) {
TreeModelBuilder builder = new TreeModelBuilder(myProject, isShowFlatten());
final DefaultTreeModel model =
builder.buildModel(
changeLists,
unversionedFiles,
locallyDeletedFiles,
modifiedWithoutEditing,
switchedFiles,
switchedRoots,
ignoredFiles,
lockedFolders,
logicallyLockedFiles);
storeState();
DefaultTreeModel oldModel = getModel();
setModel(model);
setCellRenderer(new ChangesBrowserNodeRenderer(myProject, isShowFlatten(), true));
ChangesBrowserNode root = (ChangesBrowserNode) model.getRoot();
expandPath(new TreePath(root.getPath()));
restoreState();
expandDefaultChangeList(oldModel, root);
}
private void expandDefaultChangeList(DefaultTreeModel oldModel, ChangesBrowserNode root) {
if (((ChangesBrowserNode) oldModel.getRoot()).getCount() == 0
&& TreeUtil.collectExpandedPaths(this).size() == 1) {
TreeNode toExpand = null;
for (int i = 0; i < root.getChildCount(); i++) {
TreeNode node = root.getChildAt(i);
if (node instanceof ChangesBrowserChangeListNode && node.getChildCount() > 0) {
ChangeList object = ((ChangesBrowserChangeListNode) node).getUserObject();
if (object instanceof LocalChangeList) {
if (((LocalChangeList) object).isDefault()) {
toExpand = node;
break;
}
}
}
}
if (toExpand != null) {
expandPath(new TreePath(new Object[] {root, toExpand}));
}
}
}
@Override
public void calcData(DataKey key, DataSink sink) {
if (key == VcsDataKeys.CHANGES) {
sink.put(VcsDataKeys.CHANGES, getSelectedChanges());
} else if (key == VcsDataKeys.CHANGE_LEAD_SELECTION) {
sink.put(VcsDataKeys.CHANGE_LEAD_SELECTION, getLeadSelection());
} else if (key == VcsDataKeys.CHANGE_LISTS) {
sink.put(VcsDataKeys.CHANGE_LISTS, getSelectedChangeLists());
} else if (key == PlatformDataKeys.VIRTUAL_FILE_ARRAY) {
sink.put(PlatformDataKeys.VIRTUAL_FILE_ARRAY, getSelectedFiles());
} else if (key == PlatformDataKeys.NAVIGATABLE) {
final VirtualFile[] files = getSelectedFiles();
if (files.length == 1 && !files[0].isDirectory()) {
sink.put(PlatformDataKeys.NAVIGATABLE, new OpenFileDescriptor(myProject, files[0], 0));
}
} else if (key == PlatformDataKeys.NAVIGATABLE_ARRAY) {
sink.put(
PlatformDataKeys.NAVIGATABLE_ARRAY,
ChangesUtil.getNavigatableArray(myProject, getSelectedFiles()));
} else if (key == PlatformDataKeys.DELETE_ELEMENT_PROVIDER) {
final TreePath[] paths = getSelectionPaths();
if (paths != null) {
for (TreePath path : paths) {
ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
if (!(node.getUserObject() instanceof ChangeList)) {
sink.put(PlatformDataKeys.DELETE_ELEMENT_PROVIDER, new VirtualFileDeleteProvider());
break;
}
}
}
} else if (key == PlatformDataKeys.COPY_PROVIDER) {
sink.put(PlatformDataKeys.COPY_PROVIDER, myCopyProvider);
} else if (key == UNVERSIONED_FILES_DATA_KEY) {
sink.put(UNVERSIONED_FILES_DATA_KEY, getSelectedUnversionedFiles());
} else if (key == VcsDataKeys.MODIFIED_WITHOUT_EDITING_DATA_KEY) {
sink.put(VcsDataKeys.MODIFIED_WITHOUT_EDITING_DATA_KEY, getSelectedModifiedWithoutEditing());
} else if (key == LOCALLY_DELETED_CHANGES) {
sink.put(LOCALLY_DELETED_CHANGES, getSelectedLocallyDeletedChanges());
} else if (key == MISSING_FILES_DATA_KEY) {
sink.put(MISSING_FILES_DATA_KEY, getSelectedMissingFiles());
} else if (VcsDataKeys.HAVE_LOCALLY_DELETED == key) {
sink.put(VcsDataKeys.HAVE_LOCALLY_DELETED, haveLocallyDeleted());
} else if (VcsDataKeys.HAVE_MODIFIED_WITHOUT_EDITING == key) {
sink.put(VcsDataKeys.HAVE_MODIFIED_WITHOUT_EDITING, haveLocallyModified());
} else if (VcsDataKeys.HAVE_SELECTED_CHANGES == key) {
sink.put(VcsDataKeys.HAVE_SELECTED_CHANGES, haveSelectedChanges());
} else if (key == HELP_ID_DATA_KEY) {
sink.put(HELP_ID_DATA_KEY, ourHelpId);
} else if (key == VcsDataKeys.CHANGES_IN_LIST_KEY) {
final TreePath selectionPath = getSelectionPath();
if (selectionPath != null && selectionPath.getPathCount() > 1) {
ChangesBrowserNode<?> firstNode = (ChangesBrowserNode) selectionPath.getPathComponent(1);
if (firstNode instanceof ChangesBrowserChangeListNode) {
final List<Change> list = firstNode.getAllChangesUnder();
sink.put(VcsDataKeys.CHANGES_IN_LIST_KEY, list);
}
}
}
}
private List<VirtualFile> getSelectedUnversionedFiles() {
return getSelectedVirtualFiles(ChangesBrowserNode.UNVERSIONED_FILES_TAG);
}
private List<VirtualFile> getSelectedModifiedWithoutEditing() {
return getSelectedVirtualFiles(ChangesBrowserNode.MODIFIED_WITHOUT_EDITING_TAG);
}
private List<VirtualFile> getSelectedIgnoredFiles() {
return getSelectedVirtualFiles(ChangesBrowserNode.IGNORED_FILES_TAG);
}
private List<VirtualFile> getSelectedVirtualFiles(final Object tag) {
Set<VirtualFile> files = new HashSet<VirtualFile>();
final TreePath[] paths = getSelectionPaths();
if (paths != null) {
for (TreePath path : paths) {
if (path.getPathCount() > 1) {
ChangesBrowserNode firstNode = (ChangesBrowserNode) path.getPathComponent(1);
if (tag == null || firstNode.getUserObject() == tag) {
ChangesBrowserNode<?> node = (ChangesBrowserNode) path.getLastPathComponent();
files.addAll(node.getAllFilesUnder());
}
}
}
}
return new ArrayList<VirtualFile>(files);
}
private List<FilePath> getSelectedFilePaths(final Object tag) {
Set<FilePath> files = new HashSet<FilePath>();
final TreePath[] paths = getSelectionPaths();
if (paths != null) {
for (TreePath path : paths) {
if (path.getPathCount() > 1) {
ChangesBrowserNode firstNode = (ChangesBrowserNode) path.getPathComponent(1);
if (tag == null || firstNode.getUserObject() == tag) {
ChangesBrowserNode<?> node = (ChangesBrowserNode) path.getLastPathComponent();
files.addAll(node.getAllFilePathsUnder());
}
}
}
}
return new ArrayList<FilePath>(files);
}
private List<LocallyDeletedChange> getSelectedLocallyDeletedChanges() {
Set<LocallyDeletedChange> files = new HashSet<LocallyDeletedChange>();
final TreePath[] paths = getSelectionPaths();
if (paths != null) {
for (TreePath path : paths) {
if (path.getPathCount() > 1) {
ChangesBrowserNode firstNode = (ChangesBrowserNode) path.getPathComponent(1);
if (firstNode.getUserObject() == TreeModelBuilder.LOCALLY_DELETED_NODE) {
ChangesBrowserNode<?> node = (ChangesBrowserNode) path.getLastPathComponent();
final List<LocallyDeletedChange> objectsUnder =
node.getAllObjectsUnder(LocallyDeletedChange.class);
files.addAll(objectsUnder);
}
}
}
}
return new ArrayList<LocallyDeletedChange>(files);
}
private List<FilePath> getSelectedMissingFiles() {
return getSelectedFilePaths(TreeModelBuilder.LOCALLY_DELETED_NODE);
}
protected VirtualFile[] getSelectedFiles() {
final Change[] changes = getSelectedChanges();
Collection<VirtualFile> files = new HashSet<VirtualFile>();
for (Change change : changes) {
final ContentRevision afterRevision = change.getAfterRevision();
if (afterRevision != null) {
final VirtualFile file = afterRevision.getFile().getVirtualFile();
if (file != null && file.isValid()) {
files.add(file);
}
}
}
files.addAll(getSelectedVirtualFiles(null));
return VfsUtilCore.toVirtualFileArray(files);
}
protected boolean haveSelectedFileType(final Object tag) {
final TreePath[] paths = getSelectionPaths();
if (paths != null) {
for (TreePath path : paths) {
if (path.getPathCount() > 1) {
ChangesBrowserNode firstNode = (ChangesBrowserNode) path.getPathComponent(1);
if ((tag == null || firstNode.getUserObject() == tag) && path.getPathCount() > 2) {
return true;
}
}
}
}
return false;
}
public boolean haveLocallyDeleted() {
return haveSelectedFileType(TreeModelBuilder.LOCALLY_DELETED_NODE);
}
public boolean haveLocallyModified() {
return haveSelectedFileType(ChangesBrowserNode.MODIFIED_WITHOUT_EDITING_TAG);
}
private Boolean haveSelectedChanges() {
final TreePath[] paths = getSelectionPaths();
if (paths == null) return false;
for (TreePath path : paths) {
ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
if (node instanceof ChangesBrowserChangeNode) {
return true;
} else if (node instanceof ChangesBrowserChangeListNode) {
final ChangesBrowserChangeListNode changeListNode = (ChangesBrowserChangeListNode) node;
if (changeListNode.getChildCount() > 0) {
return true;
}
}
}
return false;
}
private Change[] getLeadSelection() {
final Set<Change> changes = new LinkedHashSet<Change>();
final TreePath[] paths = getSelectionPaths();
if (paths == null) return new Change[0];
for (TreePath path : paths) {
ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
if (node instanceof ChangesBrowserChangeNode) {
changes.add(((ChangesBrowserChangeNode) node).getUserObject());
}
}
return changes.toArray(new Change[changes.size()]);
}
@NotNull
public Change[] getSelectedChanges() {
Set<Change> changes = new LinkedHashSet<Change>();
final TreePath[] paths = getSelectionPaths();
if (paths == null) {
return new Change[0];
}
for (TreePath path : paths) {
ChangesBrowserNode<?> node = (ChangesBrowserNode) path.getLastPathComponent();
changes.addAll(node.getAllChangesUnder());
}
if (changes.isEmpty()) {
final List<VirtualFile> selectedModifiedWithoutEditing = getSelectedModifiedWithoutEditing();
if (selectedModifiedWithoutEditing != null && !selectedModifiedWithoutEditing.isEmpty()) {
for (VirtualFile file : selectedModifiedWithoutEditing) {
AbstractVcs vcs = ProjectLevelVcsManager.getInstance(myProject).getVcsFor(file);
if (vcs == null) continue;
final VcsCurrentRevisionProxy before =
VcsCurrentRevisionProxy.create(file, myProject, vcs.getKeyInstanceMethod());
if (before != null) {
ContentRevision afterRevision = new CurrentContentRevision(new FilePathImpl(file));
changes.add(new Change(before, afterRevision, FileStatus.HIJACKED));
}
}
}
}
return changes.toArray(new Change[changes.size()]);
}
@NotNull
private ChangeList[] getSelectedChangeLists() {
Set<ChangeList> lists = new HashSet<ChangeList>();
final TreePath[] paths = getSelectionPaths();
if (paths == null) return new ChangeList[0];
for (TreePath path : paths) {
ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
final Object userObject = node.getUserObject();
if (userObject instanceof ChangeList) {
lists.add((ChangeList) userObject);
}
}
return lists.toArray(new ChangeList[lists.size()]);
}
public void setMenuActions(final ActionGroup menuGroup) {
myMenuGroup = menuGroup;
updateMenu();
editSourceRegistration();
}
protected void editSourceRegistration() {
EditSourceOnDoubleClickHandler.install(this);
EditSourceOnEnterKeyHandler.install(this);
}
private void updateMenu() {
PopupHandler.installPopupHandler(
this, myMenuGroup, ActionPlaces.CHANGES_VIEW_POPUP, ActionManager.getInstance());
}
@SuppressWarnings({"UtilityClassWithoutPrivateConstructor"})
private static class DragImageFactory {
private static void drawSelection(JTable table, int column, Graphics g, final int width) {
int y = 0;
final int[] rows = table.getSelectedRows();
final int height = table.getRowHeight();
for (int row : rows) {
final TableCellRenderer renderer = table.getCellRenderer(row, column);
final Component component =
renderer.getTableCellRendererComponent(
table, table.getValueAt(row, column), false, false, row, column);
g.translate(0, y);
component.setBounds(0, 0, width, height);
boolean wasOpaque = false;
if (component instanceof JComponent) {
final JComponent j = (JComponent) component;
if (j.isOpaque()) wasOpaque = true;
j.setOpaque(false);
}
component.paint(g);
if (wasOpaque) {
((JComponent) component).setOpaque(true);
}
y += height;
g.translate(0, -y);
}
}
private static void drawSelection(JTree tree, Graphics g, final int width) {
int y = 0;
final int[] rows = tree.getSelectionRows();
final int height = tree.getRowHeight();
for (int row : rows) {
final TreeCellRenderer renderer = tree.getCellRenderer();
final Object value = tree.getPathForRow(row).getLastPathComponent();
if (value == null) continue;
final Component component =
renderer.getTreeCellRendererComponent(tree, value, false, false, false, row, false);
if (component.getFont() == null) {
component.setFont(tree.getFont());
}
g.translate(0, y);
component.setBounds(0, 0, width, height);
boolean wasOpaque = false;
if (component instanceof JComponent) {
final JComponent j = (JComponent) component;
if (j.isOpaque()) wasOpaque = true;
j.setOpaque(false);
}
component.paint(g);
if (wasOpaque) {
((JComponent) component).setOpaque(true);
}
y += height;
g.translate(0, -y);
}
}
public static Image createImage(final JTable table, int column) {
final int height =
Math.max(20, Math.min(100, table.getSelectedRowCount() * table.getRowHeight()));
final int width = table.getColumnModel().getColumn(column).getWidth();
final BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = (Graphics2D) image.getGraphics();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));
drawSelection(table, column, g2, width);
return image;
}
public static Image createImage(final JTree tree) {
final TreeSelectionModel model = tree.getSelectionModel();
final TreePath[] paths = model.getSelectionPaths();
int count = 0;
final List<ChangesBrowserNode> nodes = new ArrayList<ChangesBrowserNode>();
for (final TreePath path : paths) {
final ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
if (!node.isLeaf()) {
nodes.add(node);
count += node.getCount();
}
}
for (TreePath path : paths) {
final ChangesBrowserNode element = (ChangesBrowserNode) path.getLastPathComponent();
boolean child = false;
for (final ChangesBrowserNode node : nodes) {
if (node.isNodeChild(element)) {
child = true;
break;
}
}
if (!child) {
if (element.isLeaf()) count++;
} else if (!element.isLeaf()) {
count -= element.getCount();
}
}
final JLabel label = new JLabel(VcsBundle.message("changes.view.dnd.label", count));
label.setOpaque(true);
label.setForeground(tree.getForeground());
label.setBackground(tree.getBackground());
label.setFont(tree.getFont());
label.setSize(label.getPreferredSize());
final BufferedImage image =
new BufferedImage(label.getWidth(), label.getHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = (Graphics2D) image.getGraphics();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));
label.paint(g2);
g2.dispose();
return image;
}
}
public class DropTarget implements DnDTarget {
@Override
public boolean update(DnDEvent aEvent) {
aEvent.hideHighlighter();
aEvent.setDropPossible(false, "");
Object attached = aEvent.getAttachedObject();
if (!(attached instanceof ChangeListDragBean)) return false;
final ChangeListDragBean dragBean = (ChangeListDragBean) attached;
if (dragBean.getSourceComponent() != ChangesListView.this) return false;
dragBean.setTargetNode(null);
RelativePoint dropPoint = aEvent.getRelativePoint();
Point onTree = dropPoint.getPoint(ChangesListView.this);
final TreePath dropPath = getPathForLocation(onTree.x, onTree.y);
if (dropPath == null) return false;
ChangesBrowserNode dropNode = (ChangesBrowserNode) dropPath.getLastPathComponent();
while (!((ChangesBrowserNode) dropNode.getParent()).isRoot()) {
dropNode = (ChangesBrowserNode) dropNode.getParent();
}
if (!dropNode.canAcceptDrop(dragBean)) {
return false;
}
final Rectangle tableCellRect = getPathBounds(new TreePath(dropNode.getPath()));
if (fitsInBounds(tableCellRect)) {
aEvent.setHighlighting(
new RelativeRectangle(ChangesListView.this, tableCellRect),
DnDEvent.DropTargetHighlightingType.RECTANGLE);
}
aEvent.setDropPossible(true);
dragBean.setTargetNode(dropNode);
return false;
}
@Override
public void drop(DnDEvent aEvent) {
Object attached = aEvent.getAttachedObject();
if (!(attached instanceof ChangeListDragBean)) return;
final ChangeListDragBean dragBean = (ChangeListDragBean) attached;
final ChangesBrowserNode changesBrowserNode = dragBean.getTargetNode();
if (changesBrowserNode != null) {
changesBrowserNode.acceptDrop(myDragOwner, dragBean);
}
}
@Override
public void cleanUpOnLeave() {}
@Override
public void updateDraggedImage(Image image, Point dropPoint, Point imageOffset) {}
}
private boolean fitsInBounds(final Rectangle rect) {
final Container container = getParent();
if (container instanceof JViewport) {
final Container scrollPane = container.getParent();
if (scrollPane instanceof JScrollPane) {
final Rectangle rectangle =
SwingUtilities.convertRectangle(this, rect, scrollPane.getParent());
return scrollPane.getBounds().contains(rectangle);
}
}
return true;
}
private static class NodeToTextConvertor implements Convertor<TreePath, String> {
@Override
public String convert(final TreePath path) {
ChangesBrowserNode node = (ChangesBrowserNode) path.getLastPathComponent();
return node.getTextPresentation();
}
}
@Override
public boolean canStartDragging(DnDAction action, Point dragOrigin) {
return action == DnDAction.MOVE
&& (getSelectedChanges().length > 0
|| !getSelectedUnversionedFiles().isEmpty()
|| !getSelectedIgnoredFiles().isEmpty());
}
@Override
public DnDDragStartBean startDragging(DnDAction action, Point dragOrigin) {
return new DnDDragStartBean(
new ChangeListDragBean(
this, getSelectedChanges(), getSelectedUnversionedFiles(), getSelectedIgnoredFiles()));
}
@Override
@Nullable
public Pair<Image, Point> createDraggedImage(DnDAction action, Point dragOrigin) {
final Image image = DragImageFactory.createImage(this);
return new Pair<Image, Point>(image, new Point(-image.getWidth(null), -image.getHeight(null)));
}
@Override
public void dragDropEnd() {}
@Override
public void dropActionChanged(final int gestureModifiers) {}
@Override
@NotNull
public JComponent getComponent() {
return this;
}
@Override
public void processMouseEvent(final MouseEvent e) {
if (MouseEvent.MOUSE_RELEASED == e.getID()
&& !isSelectionEmpty()
&& !e.isShiftDown()
&& !e.isControlDown()
&& !e.isMetaDown()
&& !e.isPopupTrigger()) {
if (isOverSelection(e.getPoint())) {
clearSelection();
final TreePath path = getPathForLocation(e.getPoint().x, e.getPoint().y);
if (path != null) {
setSelectionPath(path);
}
}
}
super.processMouseEvent(e);
}
@Override
public boolean isOverSelection(final Point point) {
return TreeUtil.isOverSelection(this, point);
}
@Override
public void dropSelectionButUnderPoint(final Point point) {
TreeUtil.dropSelectionButUnderPoint(this, point);
}
}
public abstract class ChangesBrowserBase<T> extends JPanel
implements TypeSafeDataProvider, Disposable {
private static final Logger LOG = Logger.getInstance(ChangesBrowserBase.class);
// for backgroundable rollback to mark
private boolean myDataIsDirty;
protected final Class<T> myClass;
protected final ChangesTreeList<T> myViewer;
protected final JScrollPane myViewerScrollPane;
protected ChangeList mySelectedChangeList;
protected List<T> myChangesToDisplay;
protected final Project myProject;
private final boolean myCapableOfExcludingChanges;
protected final JPanel myHeaderPanel;
private JComponent myBottomPanel;
private DefaultActionGroup myToolBarGroup;
private String myToggleActionTitle = VcsBundle.message("commit.dialog.include.action.name");
private JComponent myDiffBottomComponent;
public static DataKey<ChangesBrowserBase> DATA_KEY =
DataKey.create("com.intellij.openapi.vcs.changes.ui.ChangesBrowser");
private AnAction myDiffAction;
private final VirtualFile myToSelect;
@NotNull private final DeleteProvider myDeleteProvider = new VirtualFileDeleteProvider();
public void setChangesToDisplay(final List<T> changes) {
myChangesToDisplay = changes;
myViewer.setChangesToDisplay(changes);
}
public void setDecorator(final ChangeNodeDecorator decorator) {
myViewer.setChangeDecorator(decorator);
}
protected ChangesBrowserBase(
final Project project,
@NotNull List<T> changes,
final boolean capableOfExcludingChanges,
final boolean highlightProblems,
@Nullable final Runnable inclusionListener,
ChangesBrowser.MyUseCase useCase,
@Nullable VirtualFile toSelect,
Class<T> clazz) {
super(new BorderLayout());
setFocusable(false);
myClass = clazz;
myDataIsDirty = false;
myProject = project;
myCapableOfExcludingChanges = capableOfExcludingChanges;
myToSelect = toSelect;
ChangeNodeDecorator decorator =
ChangesBrowser.MyUseCase.LOCAL_CHANGES.equals(useCase)
? RemoteRevisionsCache.getInstance(myProject).getChangesNodeDecorator()
: null;
myViewer =
new ChangesTreeList<T>(
myProject,
changes,
capableOfExcludingChanges,
highlightProblems,
inclusionListener,
decorator) {
protected DefaultTreeModel buildTreeModel(
final List<T> changes, ChangeNodeDecorator changeNodeDecorator) {
return ChangesBrowserBase.this.buildTreeModel(
changes, changeNodeDecorator, isShowFlatten());
}
protected List<T> getSelectedObjects(final ChangesBrowserNode<T> node) {
return ChangesBrowserBase.this.getSelectedObjects(node);
}
@Nullable
protected T getLeadSelectedObject(final ChangesBrowserNode node) {
return ChangesBrowserBase.this.getLeadSelectedObject(node);
}
@Override
public void setScrollPaneBorder(Border border) {
myViewerScrollPane.setBorder(border);
}
};
myViewerScrollPane = ScrollPaneFactory.createScrollPane(myViewer);
myHeaderPanel = new JPanel(new BorderLayout());
}
protected void init() {
add(myViewerScrollPane, BorderLayout.CENTER);
myHeaderPanel.add(createToolbar(), BorderLayout.CENTER);
add(myHeaderPanel, BorderLayout.NORTH);
myBottomPanel = new JPanel(new BorderLayout());
add(myBottomPanel, BorderLayout.SOUTH);
myViewer.installPopupHandler(myToolBarGroup);
myViewer.setDoubleClickHandler(getDoubleClickHandler());
}
@NotNull
protected abstract DefaultTreeModel buildTreeModel(
final List<T> changes, ChangeNodeDecorator changeNodeDecorator, boolean showFlatten);
@NotNull
protected abstract List<T> getSelectedObjects(@NotNull ChangesBrowserNode<T> node);
@Nullable
protected abstract T getLeadSelectedObject(@NotNull ChangesBrowserNode node);
@NotNull
protected Runnable getDoubleClickHandler() {
return new Runnable() {
public void run() {
showDiff();
}
};
}
protected void setInitialSelection(
final List<? extends ChangeList> changeLists,
@NotNull List<T> changes,
final ChangeList initialListSelection) {
mySelectedChangeList = initialListSelection;
}
public void dispose() {}
public void addToolbarAction(AnAction action) {
myToolBarGroup.add(action);
}
public void setDiffBottomComponent(JComponent diffBottomComponent) {
myDiffBottomComponent = diffBottomComponent;
}
public void setToggleActionTitle(final String toggleActionTitle) {
myToggleActionTitle = toggleActionTitle;
}
public JPanel getHeaderPanel() {
return myHeaderPanel;
}
public ChangesTreeList<T> getViewer() {
return myViewer;
}
@NotNull
public JScrollPane getViewerScrollPane() {
return myViewerScrollPane;
}
public void calcData(DataKey key, DataSink sink) {
if (key == VcsDataKeys.CHANGES) {
List<Change> list = getSelectedChanges();
if (list.isEmpty()) list = getAllChanges();
sink.put(VcsDataKeys.CHANGES, list.toArray(new Change[list.size()]));
} else if (key == VcsDataKeys.CHANGES_SELECTION) {
sink.put(VcsDataKeys.CHANGES_SELECTION, getChangesSelection());
} else if (key == VcsDataKeys.CHANGE_LISTS) {
sink.put(VcsDataKeys.CHANGE_LISTS, getSelectedChangeLists());
} else if (key == VcsDataKeys.CHANGE_LEAD_SELECTION) {
final Change highestSelection =
ObjectUtils.tryCast(myViewer.getHighestLeadSelection(), Change.class);
sink.put(
VcsDataKeys.CHANGE_LEAD_SELECTION,
(highestSelection == null) ? new Change[] {} : new Change[] {highestSelection});
} else if (key == CommonDataKeys.VIRTUAL_FILE_ARRAY) {
sink.put(CommonDataKeys.VIRTUAL_FILE_ARRAY, getSelectedFiles().toArray(VirtualFile[]::new));
} else if (key == CommonDataKeys.NAVIGATABLE_ARRAY) {
sink.put(
CommonDataKeys.NAVIGATABLE_ARRAY, getNavigatableArray(myProject, getSelectedFiles()));
} else if (VcsDataKeys.IO_FILE_ARRAY.equals(key)) {
sink.put(VcsDataKeys.IO_FILE_ARRAY, getSelectedIoFiles());
} else if (key == DATA_KEY) {
sink.put(DATA_KEY, this);
} else if (VcsDataKeys.SELECTED_CHANGES_IN_DETAILS.equals(key)) {
final List<Change> selectedChanges = getSelectedChanges();
sink.put(
VcsDataKeys.SELECTED_CHANGES_IN_DETAILS,
selectedChanges.toArray(new Change[selectedChanges.size()]));
} else if (UNVERSIONED_FILES_DATA_KEY.equals(key)) {
sink.put(
UNVERSIONED_FILES_DATA_KEY,
getVirtualFiles(myViewer.getSelectionPaths(), UNVERSIONED_FILES_TAG));
} else if (PlatformDataKeys.DELETE_ELEMENT_PROVIDER.equals(key)) {
sink.put(PlatformDataKeys.DELETE_ELEMENT_PROVIDER, myDeleteProvider);
}
}
public void select(List<T> changes) {
myViewer.select(changes);
}
public JComponent getBottomPanel() {
return myBottomPanel;
}
private class ToggleChangeAction extends CheckboxAction {
public ToggleChangeAction() {
super(myToggleActionTitle);
}
public boolean isSelected(AnActionEvent e) {
T change = ObjectUtils.tryCast(e.getData(VcsDataKeys.CURRENT_CHANGE), myClass);
if (change == null) return false;
return myViewer.isIncluded(change);
}
public void setSelected(AnActionEvent e, boolean state) {
T change = ObjectUtils.tryCast(e.getData(VcsDataKeys.CURRENT_CHANGE), myClass);
if (change == null) return;
if (state) {
myViewer.includeChange(change);
} else {
myViewer.excludeChange(change);
}
}
}
protected void showDiffForChanges(Change[] changesArray, final int indexInSelection) {
final ShowDiffContext context =
new ShowDiffContext(isInFrame() ? DiffDialogHints.FRAME : DiffDialogHints.MODAL);
context.addActions(createDiffActions());
if (myDiffBottomComponent != null) {
context.putChainContext(DiffUserDataKeysEx.BOTTOM_PANEL, myDiffBottomComponent);
}
updateDiffContext(context);
ShowDiffAction.showDiffForChange(
myProject, Arrays.asList(changesArray), indexInSelection, context);
}
protected void updateDiffContext(@NotNull ShowDiffContext context) {}
private boolean canShowDiff() {
return ShowDiffAction.canShowDiff(myProject, getChangesSelection().getChanges());
}
private void showDiff() {
ChangesSelection selection = getChangesSelection();
List<Change> changes = selection.getChanges();
Change[] changesArray = changes.toArray(new Change[changes.size()]);
showDiffForChanges(changesArray, selection.getIndex());
afterDiffRefresh();
}
@NotNull
protected ChangesSelection getChangesSelection() {
final Change leadSelection = ObjectUtils.tryCast(myViewer.getLeadSelection(), Change.class);
List<Change> changes = getSelectedChanges();
if (changes.size() < 2) {
List<Change> allChanges = getAllChanges();
if (allChanges.size() > 1 || changes.isEmpty()) {
changes = allChanges;
}
}
if (leadSelection != null) {
int indexInSelection = changes.indexOf(leadSelection);
if (indexInSelection == -1) {
return new ChangesSelection(Collections.singletonList(leadSelection), 0);
} else {
return new ChangesSelection(changes, indexInSelection);
}
} else {
return new ChangesSelection(changes, 0);
}
}
protected void afterDiffRefresh() {}
private static boolean isInFrame() {
return ModalityState.current().equals(ModalityState.NON_MODAL);
}
protected List<AnAction> createDiffActions() {
List<AnAction> actions = new ArrayList<>();
if (myCapableOfExcludingChanges) {
actions.add(new ToggleChangeAction());
}
return actions;
}
public void rebuildList() {
myViewer.setChangesToDisplay(getCurrentDisplayedObjects(), myToSelect);
}
public void setAlwayExpandList(final boolean value) {
myViewer.setAlwaysExpandList(value);
}
@NotNull
protected JComponent createToolbar() {
DefaultActionGroup toolbarGroups = new DefaultActionGroup();
myToolBarGroup = new DefaultActionGroup();
toolbarGroups.add(myToolBarGroup);
buildToolBar(myToolBarGroup);
toolbarGroups.addSeparator();
DefaultActionGroup treeActionsGroup = new DefaultActionGroup();
toolbarGroups.add(treeActionsGroup);
for (AnAction action : myViewer.getTreeActions()) {
treeActionsGroup.add(action);
}
ActionToolbar toolbar =
ActionManager.getInstance().createActionToolbar(ActionPlaces.TOOLBAR, toolbarGroups, true);
toolbar.setTargetComponent(this);
return toolbar.getComponent();
}
protected void buildToolBar(final DefaultActionGroup toolBarGroup) {
myDiffAction =
new DumbAwareAction() {
public void update(AnActionEvent e) {
e.getPresentation().setEnabled(canShowDiff());
}
public void actionPerformed(AnActionEvent e) {
showDiff();
}
};
ActionUtil.copyFrom(myDiffAction, "ChangesView.Diff");
myDiffAction.registerCustomShortcutSet(myViewer, null);
toolBarGroup.add(myDiffAction);
}
@NotNull
public Set<AbstractVcs> getAffectedVcses() {
return ChangesUtil.getAffectedVcses(getCurrentDisplayedChanges(), myProject);
}
@NotNull
public abstract List<Change> getCurrentIncludedChanges();
@NotNull
public List<Change> getCurrentDisplayedChanges() {
return mySelectedChangeList != null
? ContainerUtil.newArrayList(mySelectedChangeList.getChanges())
: Collections.emptyList();
}
@NotNull
public abstract List<T> getCurrentDisplayedObjects();
@NotNull
public List<VirtualFile> getIncludedUnversionedFiles() {
return Collections.emptyList();
}
public int getUnversionedFilesCount() {
return 0;
}
public ChangeList getSelectedChangeList() {
return mySelectedChangeList;
}
public JComponent getPreferredFocusedComponent() {
return myViewer.getPreferredFocusedComponent();
}
private ChangeList[] getSelectedChangeLists() {
if (mySelectedChangeList != null) {
return new ChangeList[] {mySelectedChangeList};
}
return null;
}
private File[] getSelectedIoFiles() {
final List<Change> changes = getSelectedChanges();
final List<File> files = new ArrayList<>();
for (Change change : changes) {
final ContentRevision afterRevision = change.getAfterRevision();
if (afterRevision != null) {
final FilePath file = afterRevision.getFile();
final File ioFile = file.getIOFile();
files.add(ioFile);
}
}
return files.toArray(new File[files.size()]);
}
@NotNull
public abstract List<Change> getSelectedChanges();
@NotNull
public abstract List<Change> getAllChanges();
@NotNull
protected Stream<VirtualFile> getSelectedFiles() {
return Stream.concat(
getAfterRevisionsFiles(getSelectedChanges().stream()),
getVirtualFiles(myViewer.getSelectionPaths(), null))
.distinct();
}
public AnAction getDiffAction() {
return myDiffAction;
}
public boolean isDataIsDirty() {
return myDataIsDirty;
}
public void setDataIsDirty(boolean dataIsDirty) {
myDataIsDirty = dataIsDirty;
}
public void setSelectionMode(@JdkConstants.TreeSelectionMode int mode) {
myViewer.setSelectionMode(mode);
}
@Contract(pure = true)
@NotNull
protected static <T> List<Change> findChanges(@NotNull Collection<T> items) {
return ContainerUtil.findAll(items, Change.class);
}
static boolean isUnderUnversioned(@NotNull ChangesBrowserNode node) {
return isUnderTag(new TreePath(node.getPath()), UNVERSIONED_FILES_TAG);
}
}