/*
* Copyright 2000-2017 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.openapi.fileEditor.impl;
import com.intellij.ide.ui.UISettings;
import com.intellij.ide.ui.UISettingsListener;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.application.ModalityState;
import com.intellij.openapi.application.ReadAction;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.fileEditor.FileEditor;
import com.intellij.openapi.fileEditor.impl.text.FileDropHandler;
import com.intellij.openapi.keymap.KeymapManager;
import com.intellij.openapi.keymap.KeymapManagerListener;
import com.intellij.openapi.progress.ProcessCanceledException;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.ProgressManager;
import com.intellij.openapi.project.DumbService;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Splitter;
import com.intellij.openapi.util.*;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.wm.FocusWatcher;
import com.intellij.openapi.wm.IdeFrame;
import com.intellij.openapi.wm.ex.IdeFocusTraversalPolicy;
import com.intellij.openapi.wm.ex.WindowManagerEx;
import com.intellij.openapi.wm.impl.FrameTitleBuilder;
import com.intellij.openapi.wm.impl.IdeBackgroundUtil;
import com.intellij.openapi.wm.impl.IdePanePanel;
import com.intellij.ui.JBColor;
import com.intellij.ui.OnePixelSplitter;
import com.intellij.ui.awt.RelativePoint;
import com.intellij.ui.docking.DockManager;
import com.intellij.ui.tabs.JBTabs;
import com.intellij.ui.tabs.impl.JBTabsImpl;
import com.intellij.util.Alarm;
import com.intellij.util.containers.ArrayListSet;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.ui.UIUtil;
import gnu.trove.THashSet;
import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.event.ContainerEvent;
import java.io.File;
import java.util.*;
import java.util.List;
import java.util.concurrent.CopyOnWriteArraySet;
public class EditorsSplitters extends IdePanePanel implements UISettingsListener, Disposable {
private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.fileEditor.impl.EditorsSplitters");
private static final String PINNED = "pinned";
private static final String CURRENT_IN_TAB = "current-in-tab";
private static final Key<Object> DUMMY_KEY = Key.create("EditorsSplitters.dummy.key");
private EditorWindow myCurrentWindow;
private final Set<EditorWindow> myWindows = new CopyOnWriteArraySet<>();
private final FileEditorManagerImpl myManager;
private Element mySplittersElement; // temporarily used during initialization
int myInsideChange;
private final MyFocusWatcher myFocusWatcher;
private final Alarm myIconUpdaterAlarm = new Alarm();
private final UIBuilder myUIBuilder = new UIBuilder();
EditorsSplitters(final FileEditorManagerImpl manager, DockManager dockManager, boolean createOwnDockableContainer) {
super(new BorderLayout());
myManager = manager;
myFocusWatcher = new MyFocusWatcher();
setFocusTraversalPolicy(new MyFocusTraversalPolicy());
setTransferHandler(new MyTransferHandler());
clear();
if (createOwnDockableContainer) {
DockableEditorTabbedContainer dockable = new DockableEditorTabbedContainer(myManager.getProject(), this, false);
Disposer.register(manager.getProject(), dockable);
dockManager.register(dockable);
}
KeymapManagerListener keymapListener = keymap -> {
invalidate();
repaint();
};
KeymapManager.getInstance().addKeymapManagerListener(keymapListener, this);
}
public FileEditorManagerImpl getManager() {
return myManager;
}
public void clear() {
for (EditorWindow window : myWindows) {
window.dispose();
}
removeAll();
myWindows.clear();
setCurrentWindow(null);
repaint (); // revalidate doesn't repaint correctly after "Close All"
}
void startListeningFocus() {
myFocusWatcher.install(this);
}
private void stopListeningFocus() {
myFocusWatcher.deinstall(this);
}
@Override
public void dispose() {
myIconUpdaterAlarm.cancelAllRequests();
stopListeningFocus();
}
@Nullable
public VirtualFile getCurrentFile() {
if (myCurrentWindow != null) {
return myCurrentWindow.getSelectedFile();
}
return null;
}
private boolean showEmptyText() {
return myCurrentWindow == null || myCurrentWindow.getFiles().length == 0;
}
@Override
protected void paintComponent(Graphics g) {
if (showEmptyText()) {
Graphics2D gg = IdeBackgroundUtil.withFrameBackground(g, this);
super.paintComponent(gg);
g.setColor(UIUtil.isUnderDarcula() ? UIUtil.getBorderColor() : new Color(0, 0, 0, 50));
g.drawLine(0, 0, getWidth(), 0);
}
}
public void writeExternal(@NotNull Element element) {
if (getComponentCount() == 0) {
return;
}
JPanel panel = (JPanel)getComponent(0);
if (panel.getComponentCount() != 0) {
try {
element.addContent(writePanel(panel.getComponent(0)));
}
catch (ProcessCanceledException e) {
throw e;
}
catch (Throwable e) {
LOG.error(e);
}
}
}
@SuppressWarnings("HardCodedStringLiteral")
private Element writePanel(@NotNull Component comp) {
if (comp instanceof Splitter) {
final Splitter splitter = (Splitter)comp;
final Element res = new Element("splitter");
res.setAttribute("split-orientation", splitter.getOrientation() ? "vertical" : "horizontal");
res.setAttribute("split-proportion", Float.toString(splitter.getProportion()));
final Element first = new Element("split-first");
first.addContent(writePanel(splitter.getFirstComponent().getComponent(0)));
final Element second = new Element("split-second");
second.addContent(writePanel(splitter.getSecondComponent().getComponent(0)));
res.addContent(first);
res.addContent(second);
return res;
}
else if (comp instanceof JBTabs) {
final Element res = new Element("leaf");
Integer limit = UIUtil.getClientProperty(((JBTabs)comp).getComponent(), JBTabsImpl.SIDE_TABS_SIZE_LIMIT_KEY);
if (limit != null) {
res.setAttribute(JBTabsImpl.SIDE_TABS_SIZE_LIMIT_KEY.toString(), String.valueOf(limit));
}
writeWindow(res, findWindowWith(comp));
return res;
}
else if (comp instanceof EditorWindow.TCompForTablessMode) {
EditorWithProviderComposite composite = ((EditorWindow.TCompForTablessMode)comp).myEditor;
Element res = new Element("leaf");
res.addContent(writeComposite(composite.getFile(), composite, false, composite));
return res;
}
else {
LOG.error(comp.getClass().getName());
return null;
}
}
private void writeWindow(@NotNull Element res, @Nullable EditorWindow window) {
if (window != null) {
EditorWithProviderComposite[] composites = window.getEditors();
for (int i = 0; i < composites.length; i++) {
VirtualFile file = window.getFileAt(i);
res.addContent(writeComposite(file, composites[i], window.isFilePinned(file), window.getSelectedEditor()));
}
}
}
@NotNull
private Element writeComposite(VirtualFile file, EditorWithProviderComposite composite, boolean pinned, EditorWithProviderComposite selectedEditor) {
Element fileElement = new Element("file");
fileElement.setAttribute("leaf-file-name", file.getName()); // TODO: all files
composite.currentStateAsHistoryEntry().writeExternal(fileElement, getManager().getProject());
fileElement.setAttribute(PINNED, Boolean.toString(pinned));
fileElement.setAttribute(CURRENT_IN_TAB, Boolean.toString(composite.equals(selectedEditor)));
return fileElement;
}
public void openFiles() {
if (mySplittersElement != null) {
final JPanel comp = myUIBuilder.process(mySplittersElement, getTopPanel());
UIUtil.invokeAndWaitIfNeeded((Runnable)() -> {
if (comp != null) {
removeAll();
add(comp, BorderLayout.CENTER);
mySplittersElement = null;
}
// clear empty splitters
for (EditorWindow window : getWindows()) {
if (window.getEditors().length == 0) {
for (EditorWindow sibling : window.findSiblings()) {
sibling.unsplit(false);
}
}
}
});
}
}
public int getEditorsCount() {
return mySplittersElement == null ? 0 : countFiles(mySplittersElement);
}
private double myProgressStep;
public void setProgressStep(double step) { myProgressStep = step; }
private void updateProgress() {
ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator();
if (indicator != null) {
indicator.setFraction(indicator.getFraction() + myProgressStep);
}
}
private static int countFiles(Element element) {
Integer value = new ConfigTreeReader<Integer>() {
@Override
protected Integer processFiles(@NotNull List<Element> fileElements, @Nullable Integer context) {
return fileElements.size();
}
@Override
protected Integer processSplitter(@NotNull Element element, @Nullable Element firstChild, @Nullable Element secondChild, @Nullable Integer context) {
Integer first = process(firstChild, null);
Integer second = process(secondChild, null);
return (first == null ? 0 : first) + (second == null ? 0 : second);
}
}.process(element, null);
return value == null ? 0 : value;
}
public void readExternal(final Element element) {
mySplittersElement = element;
}
@NotNull public VirtualFile[] getOpenFiles() {
final Set<VirtualFile> files = new ArrayListSet<>();
for (final EditorWindow myWindow : myWindows) {
final EditorWithProviderComposite[] editors = myWindow.getEditors();
for (final EditorWithProviderComposite editor : editors) {
VirtualFile file = editor.getFile();
// background thread may call this method when invalid file is being removed
// do not return it here as it will quietly drop out soon
if (file.isValid()) {
files.add(file);
}
}
}
return VfsUtilCore.toVirtualFileArray(files);
}
@NotNull public VirtualFile[] getSelectedFiles() {
final Set<VirtualFile> files = new ArrayListSet<>();
for (final EditorWindow window : myWindows) {
final VirtualFile file = window.getSelectedFile();
if (file != null) {
files.add(file);
}
}
final VirtualFile[] virtualFiles = VfsUtilCore.toVirtualFileArray(files);
final VirtualFile currentFile = getCurrentFile();
if (currentFile != null) {
for (int i = 0; i != virtualFiles.length; ++i) {
if (Comparing.equal(virtualFiles[i], currentFile)) {
virtualFiles[i] = virtualFiles[0];
virtualFiles[0] = currentFile;
break;
}
}
}
return virtualFiles;
}
@NotNull
public FileEditor[] getSelectedEditors() {
Set<EditorWindow> windows = new THashSet<>(myWindows);
final EditorWindow currentWindow = getCurrentWindow();
if (currentWindow != null) {
windows.add(currentWindow);
}
List<FileEditor> editors = new ArrayList<>();
for (final EditorWindow window : windows) {
final EditorWithProviderComposite composite = window.getSelectedEditor();
if (composite != null) {
editors.add(composite.getSelectedEditor());
}
}
return editors.toArray(new FileEditor[editors.size()]);
}
public void updateFileIcon(@NotNull final VirtualFile file) {
updateFileIconLater(file);
}
private void updateFileIconImmediately(final VirtualFile file) {
final Collection<EditorWindow> windows = findWindows(file);
for (EditorWindow window : windows) {
window.updateFileIcon(file);
}
}
private final Set<VirtualFile> myFilesToUpdateIconsFor = new HashSet<>();
private void updateFileIconLater(VirtualFile file) {
myFilesToUpdateIconsFor.add(file);
myIconUpdaterAlarm.cancelAllRequests();
myIconUpdaterAlarm.addRequest(() -> {
if (myManager.getProject().isDisposed()) return;
for (VirtualFile file1 : myFilesToUpdateIconsFor) {
updateFileIconImmediately(file1);
}
myFilesToUpdateIconsFor.clear();
}, 200, ModalityState.stateForComponent(this));
}
void updateFileColor(@NotNull final VirtualFile file) {
final Collection<EditorWindow> windows = findWindows(file);
for (final EditorWindow window : windows) {
final int index = window.findEditorIndex(window.findFileComposite(file));
LOG.assertTrue(index != -1);
window.setForegroundAt(index, getManager().getFileColor(file));
window.setWaveColor(index, getManager().isProblem(file) ? JBColor.red : null);
}
}
public void trimToSize(final int editor_tab_limit) {
for (final EditorWindow window : myWindows) {
window.trimToSize(editor_tab_limit, null, true);
}
}
public void setTabsPlacement(final int tabPlacement) {
final EditorWindow[] windows = getWindows();
for (int i = 0; i != windows.length; ++ i) {
windows[i].setTabsPlacement(tabPlacement);
}
}
void setTabLayoutPolicy(int scrollTabLayout) {
final EditorWindow[] windows = getWindows();
for (int i = 0; i != windows.length; ++ i) {
windows[i].setTabLayoutPolicy(scrollTabLayout);
}
}
void updateFileName(@Nullable final VirtualFile updatedFile) {
final EditorWindow[] windows = getWindows();
for (int i = 0; i != windows.length; ++ i) {
for (VirtualFile file : windows[i].getFiles()) {
if (updatedFile == null || file.getName().equals(updatedFile.getName())) {
windows[i].updateFileName(file);
}
}
}
Project project = myManager.getProject();
final IdeFrame frame = getFrame(project);
if (frame != null) {
VirtualFile file = getCurrentFile();
File ioFile = file == null ? null : new File(file.getPresentableUrl());
String fileTitle = null;
if (file != null) {
fileTitle = DumbService.isDumb(project) ? file.getName()
: FrameTitleBuilder.getInstance().getFileTitle(project, file);
}
frame.setFileTitle(fileTitle, ioFile);
}
}
protected IdeFrame getFrame(Project project) {
final WindowManagerEx windowManagerEx = WindowManagerEx.getInstanceEx();
final IdeFrame frame = windowManagerEx.getFrame(project);
LOG.assertTrue(ApplicationManager.getApplication().isUnitTestMode() || frame != null);
return frame;
}
boolean isInsideChange() {
return myInsideChange > 0;
}
private void setCurrentWindow(@Nullable final EditorWindow currentWindow) {
if (currentWindow != null && !myWindows.contains(currentWindow)) {
throw new IllegalArgumentException(currentWindow + " is not a member of this container");
}
myCurrentWindow = currentWindow;
}
void updateFileBackgroundColor(@NotNull VirtualFile file) {
final EditorWindow[] windows = getWindows();
for (int i = 0; i != windows.length; ++ i) {
windows [i].updateFileBackgroundColor(file);
}
}
int getSplitCount() {
if (getComponentCount() > 0) {
JPanel panel = (JPanel) getComponent(0);
return getSplitCount(panel);
}
return 0;
}
private static int getSplitCount(JComponent component) {
if (component.getComponentCount() > 0) {
final JComponent firstChild = (JComponent)component.getComponent(0);
if (firstChild instanceof Splitter) {
final Splitter splitter = (Splitter)firstChild;
return getSplitCount(splitter.getFirstComponent()) + getSplitCount(splitter.getSecondComponent());
}
return 1;
}
return 0;
}
protected void afterFileClosed(VirtualFile file) {
}
protected void afterFileOpen(VirtualFile file) {
}
@Nullable
JBTabs getTabsAt(RelativePoint point) {
Point thisPoint = point.getPoint(this);
Component c = SwingUtilities.getDeepestComponentAt(this, thisPoint.x, thisPoint.y);
while (c != null) {
if (c instanceof JBTabs) {
return (JBTabs)c;
}
c = c.getParent();
}
return null;
}
boolean isEmptyVisible() {
EditorWindow[] windows = getWindows();
for (EditorWindow each : windows) {
if (!each.isEmptyVisible()) {
return false;
}
}
return true;
}
@Nullable
private VirtualFile findNextFile(final VirtualFile file) {
final EditorWindow[] windows = getWindows(); // TODO: use current file as base
for (int i = 0; i != windows.length; ++i) {
final VirtualFile[] files = windows[i].getFiles();
for (final VirtualFile fileAt : files) {
if (!Comparing.equal(fileAt, file)) {
return fileAt;
}
}
}
return null;
}
void closeFile(VirtualFile file, boolean moveFocus) {
final List<EditorWindow> windows = findWindows(file);
if (!windows.isEmpty()) {
final VirtualFile nextFile = findNextFile(file);
for (final EditorWindow window : windows) {
LOG.assertTrue(window.getSelectedEditor() != null);
window.closeFile(file, false, moveFocus);
if (window.getTabCount() == 0 && nextFile != null && myManager.getProject().isOpen()) {
EditorWithProviderComposite newComposite = myManager.newEditorComposite(nextFile);
window.setEditor(newComposite, moveFocus); // newComposite can be null
}
}
// cleanup windows with no tabs
for (final EditorWindow window : windows) {
if (window.isDisposed()) {
// call to window.unsplit() which might make its sibling disposed
continue;
}
if (window.getTabCount() == 0) {
window.unsplit(false);
}
}
}
}
@Override
public void uiSettingsChanged(UISettings uiSettings) {
if (!myManager.getProject().isOpen()) return;
for (VirtualFile file : getOpenFiles()) {
updateFileBackgroundColor(file);
updateFileIcon(file);
updateFileColor(file);
}
}
private final class MyFocusTraversalPolicy extends IdeFocusTraversalPolicy {
@Override
public final Component getDefaultComponentImpl(final Container focusCycleRoot) {
if (myCurrentWindow != null) {
final EditorWithProviderComposite selectedEditor = myCurrentWindow.getSelectedEditor();
if (selectedEditor != null) {
return IdeFocusTraversalPolicy.getPreferredFocusedComponent(selectedEditor.getComponent(), this);
}
}
return IdeFocusTraversalPolicy.getPreferredFocusedComponent(EditorsSplitters.this, this);
}
}
@Nullable
public JPanel getTopPanel() {
return getComponentCount() > 0 ? (JPanel)getComponent(0) : null;
}
public EditorWindow getCurrentWindow() {
return myCurrentWindow;
}
public EditorWindow getOrCreateCurrentWindow(final VirtualFile file) {
final List<EditorWindow> windows = findWindows(file);
if (getCurrentWindow() == null) {
final Iterator<EditorWindow> iterator = myWindows.iterator();
if (!windows.isEmpty()) {
setCurrentWindow(windows.get(0), false);
}
else if (iterator.hasNext()) {
setCurrentWindow(iterator.next(), false);
}
else {
createCurrentWindow();
}
}
else if (!windows.isEmpty()) {
if (!windows.contains(getCurrentWindow())) {
setCurrentWindow(windows.get(0), false);
}
}
return getCurrentWindow();
}
void createCurrentWindow() {
LOG.assertTrue(myCurrentWindow == null);
setCurrentWindow(createEditorWindow());
add(myCurrentWindow.myPanel, BorderLayout.CENTER);
}
protected EditorWindow createEditorWindow() {
return new EditorWindow(this);
}
/**
* sets the window passed as a current ('focused') window among all splitters. All file openings will be done inside this
* current window
* @param window a window to be set as current
* @param requestFocus whether to request focus to the editor currently selected in this window
*/
void setCurrentWindow(@Nullable final EditorWindow window, final boolean requestFocus) {
final EditorWithProviderComposite newEditor = window == null ? null : window.getSelectedEditor();
Runnable fireRunnable = () -> getManager().fireSelectionChanged(newEditor);
setCurrentWindow(window);
getManager().updateFileName(window == null ? null : window.getSelectedFile());
if (window != null) {
final EditorWithProviderComposite selectedEditor = window.getSelectedEditor();
if (selectedEditor != null) {
fireRunnable.run();
}
if (requestFocus) {
window.requestFocus(true);
}
} else {
fireRunnable.run();
}
}
void addWindow(EditorWindow window) {
myWindows.add(window);
}
void removeWindow(EditorWindow window) {
myWindows.remove(window);
if (myCurrentWindow == window) {
myCurrentWindow = null;
}
}
boolean containsWindow(EditorWindow window) {
return myWindows.contains(window);
}
//---------------------------------------------------------
public EditorWithProviderComposite[] getEditorsComposites() {
List<EditorWithProviderComposite> res = new ArrayList<>();
for (final EditorWindow myWindow : myWindows) {
final EditorWithProviderComposite[] editors = myWindow.getEditors();
ContainerUtil.addAll(res, editors);
}
return res.toArray(new EditorWithProviderComposite[res.size()]);
}
//---------------------------------------------------------
@NotNull
public List<EditorWithProviderComposite> findEditorComposites(@NotNull VirtualFile file) {
List<EditorWithProviderComposite> res = new ArrayList<>();
for (final EditorWindow window : myWindows) {
final EditorWithProviderComposite fileComposite = window.findFileComposite(file);
if (fileComposite != null) {
res.add(fileComposite);
}
}
return res;
}
@NotNull
private List<EditorWindow> findWindows(final VirtualFile file) {
List<EditorWindow> res = new ArrayList<>();
for (final EditorWindow window : myWindows) {
if (window.findFileComposite(file) != null) {
res.add(window);
}
}
return res;
}
@NotNull public EditorWindow [] getWindows() {
return myWindows.toArray(new EditorWindow [myWindows.size()]);
}
@NotNull
EditorWindow[] getOrderedWindows() {
final List<EditorWindow> res = new ArrayList<>();
// Collector for windows in tree ordering:
class Inner{
private void collect(final JPanel panel){
final Component comp = panel.getComponent(0);
if (comp instanceof Splitter) {
final Splitter splitter = (Splitter)comp;
collect((JPanel)splitter.getFirstComponent());
collect((JPanel)splitter.getSecondComponent());
}
else if (comp instanceof JPanel || comp instanceof JBTabs) {
final EditorWindow window = findWindowWith(comp);
if (window != null) {
res.add(window);
}
}
}
}
// get root component and traverse splitters tree:
if (getComponentCount() != 0) {
final Component comp = getComponent(0);
LOG.assertTrue(comp instanceof JPanel);
final JPanel panel = (JPanel)comp;
if (panel.getComponentCount() != 0) {
new Inner().collect (panel);
}
}
LOG.assertTrue(res.size() == myWindows.size());
return res.toArray(new EditorWindow [res.size()]);
}
@Nullable
private EditorWindow findWindowWith(final Component component) {
if (component != null) {
for (final EditorWindow window : myWindows) {
if (SwingUtilities.isDescendingFrom(component, window.myPanel)) {
return window;
}
}
}
return null;
}
public boolean isFloating() {
return false;
}
public boolean isPreview() {
return false;
}
private final class MyFocusWatcher extends FocusWatcher {
@Override
protected void focusedComponentChanged(final Component component, final AWTEvent cause) {
EditorWindow newWindow = null;
if (component != null) {
newWindow = findWindowWith(component);
}
else if (cause instanceof ContainerEvent && cause.getID() == ContainerEvent.COMPONENT_REMOVED) {
// do not change current window in case of child removal as in JTable.removeEditor
// otherwise Escape in a toolwindow will not focus editor with JTable content
return;
}
setCurrentWindow(newWindow);
setCurrentWindow(newWindow, false);
}
}
private final class MyTransferHandler extends TransferHandler {
private final FileDropHandler myFileDropHandler = new FileDropHandler(null);
@Override
public boolean importData(JComponent comp, Transferable t) {
if (myFileDropHandler.canHandleDrop(t.getTransferDataFlavors())) {
myFileDropHandler.handleDrop(t, myManager.getProject(), myCurrentWindow);
return true;
}
return false;
}
@Override
public boolean canImport(JComponent comp, DataFlavor[] transferFlavors) {
return myFileDropHandler.canHandleDrop(transferFlavors);
}
}
private abstract static class ConfigTreeReader<T> {
@Nullable
public T process(@Nullable Element element, @Nullable T context) {
if (element == null) {
return null;
}
final Element splitterElement = element.getChild("splitter");
if (splitterElement != null) {
final Element first = splitterElement.getChild("split-first");
final Element second = splitterElement.getChild("split-second");
return processSplitter(splitterElement, first, second, context);
}
final Element leaf = element.getChild("leaf");
if (leaf == null) {
return null;
}
List<Element> fileElements = leaf.getChildren("file");
final List<Element> children = new ArrayList<>(fileElements.size());
// trim to EDITOR_TAB_LIMIT, ignoring CLOSE_NON_MODIFIED_FILES_FIRST policy
int toRemove = fileElements.size() - UISettings.getInstance().getEditorTabLimit();
for (Element fileElement : fileElements) {
if (toRemove <= 0 || Boolean.valueOf(fileElement.getAttributeValue(PINNED)).booleanValue()) {
children.add(fileElement);
}
else {
toRemove--;
}
}
return processFiles(children, context);
}
@Nullable
protected abstract T processFiles(@NotNull List<Element> fileElements, @Nullable T context);
@Nullable
protected abstract T processSplitter(@NotNull Element element, @Nullable Element firstChild, @Nullable Element secondChild, @Nullable T context);
}
private class UIBuilder extends ConfigTreeReader<JPanel> {
@Override
protected JPanel processFiles(@NotNull List<Element> fileElements, final JPanel context) {
final Ref<EditorWindow> windowRef = new Ref<>();
UIUtil.invokeAndWaitIfNeeded((Runnable)() -> windowRef.set(context == null ? createEditorWindow() : findWindowWith(context)));
final EditorWindow window = windowRef.get();
LOG.assertTrue(window != null);
VirtualFile focusedFile = null;
for (int i = 0; i < fileElements.size(); i++) {
final Element file = fileElements.get(i);
if (i == 0) {
EditorTabbedContainer tabbedPane = window.getTabbedPane();
if (tabbedPane != null) {
try {
int limit =
Integer.parseInt(file.getParentElement().getAttributeValue(JBTabsImpl.SIDE_TABS_SIZE_LIMIT_KEY.toString(),
String.valueOf(JBTabsImpl.DEFAULT_MAX_TAB_WIDTH)));
UIUtil.putClientProperty(tabbedPane.getComponent(), JBTabsImpl.SIDE_TABS_SIZE_LIMIT_KEY, limit);
}
catch (NumberFormatException e) {
//ignore
}
}
}
try {
final FileEditorManagerImpl fileEditorManager = getManager();
Element historyElement = file.getChild(HistoryEntry.TAG);
final HistoryEntry entry = HistoryEntry.createLight(fileEditorManager.getProject(), historyElement);
final VirtualFile virtualFile = entry.getFile();
if (virtualFile == null) throw new InvalidDataException("No file exists: " + entry.getFilePointer().getUrl());
Document document = ReadAction.compute(() -> virtualFile.isValid() ? FileDocumentManager.getInstance().getDocument(virtualFile) : null);
final boolean isCurrentInTab = Boolean.valueOf(file.getAttributeValue(CURRENT_IN_TAB)).booleanValue();
Boolean pin = Boolean.valueOf(file.getAttributeValue(PINNED));
fileEditorManager.openFileImpl4(window, virtualFile, entry, false, false, pin, i);
if (isCurrentInTab) {
focusedFile = virtualFile;
}
if (document != null) {
// This is just to make sure document reference is kept on stack till this point
// so that document is available for folding state deserialization in HistoryEntry constructor
// and that document will be created only once during file opening
document.putUserData(DUMMY_KEY, null);
}
updateProgress();
}
catch (InvalidDataException e) {
if (ApplicationManager.getApplication().isUnitTestMode()) {
LOG.error(e);
}
}
}
if (focusedFile != null) {
getManager().addSelectionRecord(focusedFile, window);
VirtualFile finalFocusedFile = focusedFile;
UIUtil.invokeLaterIfNeeded(()->{
EditorWithProviderComposite editor = window.findFileComposite(finalFocusedFile);
if (editor != null) {
window.setEditor(editor, true, true);
}
});
}
return window.myPanel;
}
@Override
protected JPanel processSplitter(@NotNull Element splitterElement, Element firstChild, Element secondChild, final JPanel context) {
if (context == null) {
final boolean orientation = "vertical".equals(splitterElement.getAttributeValue("split-orientation"));
final float proportion = Float.valueOf(splitterElement.getAttributeValue("split-proportion")).floatValue();
final JPanel firstComponent = process(firstChild, null);
final JPanel secondComponent = process(secondChild, null);
final Ref<JPanel> panelRef = new Ref<>();
UIUtil.invokeAndWaitIfNeeded((Runnable)() -> {
JPanel panel = new JPanel(new BorderLayout());
panel.setOpaque(false);
Splitter splitter = new OnePixelSplitter(orientation, proportion, 0.1f, 0.9f);
panel.add(splitter, BorderLayout.CENTER);
splitter.setFirstComponent(firstComponent);
splitter.setSecondComponent(secondComponent);
panelRef.set(panel);
});
return panelRef.get();
}
final Ref<JPanel> firstComponent = new Ref<>();
final Ref<JPanel> secondComponent = new Ref<>();
UIUtil.invokeAndWaitIfNeeded((Runnable)() -> {
if (context.getComponent(0) instanceof Splitter) {
Splitter splitter = (Splitter)context.getComponent(0);
firstComponent.set((JPanel)splitter.getFirstComponent());
secondComponent.set((JPanel)splitter.getSecondComponent());
}
else {
firstComponent.set(context);
secondComponent.set(context);
}
});
process(firstChild, firstComponent.get());
process(secondChild, secondComponent.get());
return context;
}
}
}