platform-api/src/com/intellij/ui/tabs/impl/JBTabsImpl.java

   1 package com.intellij.ui.tabs.impl;
   2
   3 import com.intellij.openapi.Disposable;
   4 import com.intellij.openapi.actionSystem.*;
   5 import com.intellij.openapi.application.ModalityState;
   6 import com.intellij.openapi.project.Project;
   7 import com.intellij.openapi.ui.ShadowAction;
   8 import com.intellij.openapi.util.ActionCallback;
   9 import com.intellij.openapi.util.Disposer;
  10 import com.intellij.openapi.util.Getter;
  11 import com.intellij.openapi.wm.FocusCommand;
  12 import com.intellij.openapi.wm.IdeFocusManager;
  13 import com.intellij.openapi.wm.impl.content.GraphicsConfig;
  14 import com.intellij.ui.CaptionPanel;
  15 import com.intellij.ui.tabs.*;
  16 import com.intellij.ui.tabs.impl.singleRow.SingleRowLayout;
  17 import com.intellij.ui.tabs.impl.table.TableLayout;
  18 import com.intellij.ui.tabs.impl.table.TablePassInfo;
  19 import com.intellij.util.ui.Animator;
  20 import com.intellij.util.ui.UIUtil;
  21 import org.jetbrains.annotations.NonNls;
  22 import org.jetbrains.annotations.NotNull;
  23 import org.jetbrains.annotations.Nullable;
  24
  25 import javax.swing.*;
  26 import javax.swing.event.PopupMenuEvent;
  27 import javax.swing.event.PopupMenuListener;
  28 import javax.swing.plaf.ComponentUI;
  29 import java.awt.*;
  30 import java.awt.event.*;
  31 import java.awt.geom.GeneralPath;
  32 import java.awt.image.BufferedImage;
  33 import java.beans.PropertyChangeEvent;
  34 import java.beans.PropertyChangeListener;
  35 import java.lang.ref.WeakReference;
  36 import java.util.*;
  37 import java.util.List;
  38
  39 public class JBTabsImpl extends JComponent
  40     implements JBTabs, PropertyChangeListener, TimerListener, DataProvider, PopupMenuListener, Disposable, JBTabsPresentation {
  41
  42   static DataKey<JBTabsImpl> NAVIGATION_ACTIONS_KEY = DataKey.create("JBTabs");
  43
  44   ActionManager myActionManager;
  45   public final List<TabInfo> myVisibleInfos = new ArrayList<TabInfo>();
  46   final Set<TabInfo> myHiddenInfos = new HashSet<TabInfo>();
  47
  48   TabInfo mySelectedInfo;
  49   public final Map<TabInfo, TabLabel> myInfo2Label = new HashMap<TabInfo, TabLabel>();
  50   public final Map<TabInfo, JComponent> myInfo2Toolbar = new HashMap<TabInfo, JComponent>();
  51   public Dimension myHeaderFitSize;
  52
  53   Insets myInnerInsets = new Insets(0, 0, 0, 0);
  54
  55   final List<MouseListener> myTabMouseListeners = new ArrayList<MouseListener>();
  56   final List<TabsListener> myTabListeners = new ArrayList<TabsListener>();
  57   public boolean myFocused;
  58
  59   Getter<ActionGroup> myPopupGroup;
  60   String myPopupPlace;
  61
  62   TabInfo myPopupInfo;
  63   DefaultActionGroup myNavigationActions;
  64
  65   PopupMenuListener myPopupListener;
  66   JPopupMenu myActivePopup;
  67
  68   public boolean myHorizontalSide = true;
  69
  70   boolean myStealthTabMode = false;
  71
  72   DataProvider myDataProvider;
  73
  74   WeakReference<Component> myDeferredToRemove = new WeakReference<Component>(null);
  75
  76   SingleRowLayout mySingleRowLayout = new SingleRowLayout(this);
  77   TableLayout myTableLayout = new TableLayout(this);
  78
  79
  80   private TabLayout myLayout = mySingleRowLayout;
  81   private LayoutPassInfo myLastLayoutPass;
  82
  83   public boolean myForcedRelayout;
  84
  85   private UiDecorator myUiDecorator;
  86   static final UiDecorator ourDefaultDecorator = new DefautDecorator();
  87
  88   private boolean myPaintFocus = true;
  89
  90   private boolean myHideTabs = false;
  91   private @Nullable Project myProject;
  92
  93   private boolean myRequestFocusOnLastFocusedComponent = false;
  94   private boolean myListenerAdded;
  95   final Set<TabInfo> myAttractions = new HashSet<TabInfo>();
  96   Animator myAnimator;
  97   static final String DEFERRED_REMOVE_FLAG = "JBTabs.deferredRemove";
  98   List<TabInfo> myAllTabs;
  99   boolean myPaintBlocked;
 100   BufferedImage myImage;
 101   IdeFocusManager myFocusManager;
 102   boolean myAdjustBorders = true;
 103
 104
 105   private Insets myBorderSize = new Insets(0, 0, 0, 0);
 106   boolean myAddNavigationGroup = true;
 107
 108   boolean myGhostsAlwaysVisible = false;
 109   private boolean myDisposed;
 110   private boolean myToDrawBorderIfTabsHidden = true;
 111   private Color myActiveTabFillIn;
 112
 113
 114   public JBTabsImpl(@Nullable Project project, ActionManager actionManager, IdeFocusManager focusManager, Disposable parent) {
 115     myProject = project;
 116     myActionManager = actionManager;
 117     myFocusManager = focusManager;
 118
 119     setOpaque(true);
 120     setPaintBorder(-1, -1, -1, -1);
 121
 122     Disposer.register(parent, this);
 123
 124     myNavigationActions = new DefaultActionGroup();
 125
 126     if (myActionManager != null) {
 127       myNavigationActions.add(new SelectNextAction(this));
 128       myNavigationActions.add(new SelectPreviousAction(this));
 129     }
 130
 131     setUiDecorator(null);
 132
 133     UIUtil.addAwtListener(new AWTEventListener() {
 134       public void eventDispatched(final AWTEvent event) {
 135         if (mySingleRowLayout.myMorePopup != null) return;
 136         processFocusChange();
 137       }
 138     }, FocusEvent.FOCUS_EVENT_MASK, this);
 139
 140     myPopupListener = new PopupMenuListener() {
 141       public void popupMenuWillBecomeVisible(final PopupMenuEvent e) {
 142       }
 143
 144       public void popupMenuWillBecomeInvisible(final PopupMenuEvent e) {
 145         disposePopupListener();
 146       }
 147
 148       public void popupMenuCanceled(final PopupMenuEvent e) {
 149         disposePopupListener();
 150       }
 151     };
 152
 153     addMouseListener(new MouseAdapter() {
 154       public void mousePressed(final MouseEvent e) {
 155         if (mySingleRowLayout.myLastSingRowLayout != null && mySingleRowLayout.myLastSingRowLayout.moreRect != null && mySingleRowLayout.myLastSingRowLayout.moreRect.contains(e.getPoint())) {
 156           showMorePopup(e);
 157         }
 158       }
 159     });
 160
 161     Disposer.register(this, new Disposable() {
 162       public void dispose() {
 163         removeTimerUpdate();
 164       }
 165     });
 166
 167     myAnimator = new Animator("JBTabs Attractions", 2, 500, true, 0, -1) {
 168       public void paintNow(final float frame, final float totalFrames, final float cycle) {
 169         repaintAttractions();
 170       }
 171     };
 172     myAnimator.setTakInitialDelay(false);
 173
 174     Disposer.register(this, myAnimator);
 175
 176     setFocusCycleRoot(true);
 177     setFocusTraversalPolicy(new LayoutFocusTraversalPolicy() {
 178       public Component getDefaultComponent(final Container aContainer) {
 179         return getToFocus();
 180       }
 181     });
 182
 183     add(mySingleRowLayout.myLeftGhost);
 184     add(mySingleRowLayout.myRightGhost);
 185   }
 186
 187   public void dispose() {
 188     myDisposed = true;
 189     mySelectedInfo = null;
 190     myAllTabs = null;
 191     myAttractions.clear();
 192     myVisibleInfos.clear();
 193     myUiDecorator = null;
 194     myImage = null;
 195     myActivePopup = null;
 196     myInfo2Label.clear();
 197     myInfo2Toolbar.clear();
 198     myTabListeners.clear();
 199   }
 200
 201   private void processFocusChange() {
 202     Component owner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
 203     if (owner == null) {
 204       setFocused(false);
 205       return;
 206     }
 207
 208     if (owner == JBTabsImpl.this || SwingUtilities.isDescendingFrom(owner, JBTabsImpl.this)) {
 209       setFocused(true);
 210     }
 211     else {
 212       setFocused(false);
 213     }
 214   }
 215
 216   private void repaintAttractions() {
 217     boolean needsUpdate = false;
 218     for (TabInfo each : myVisibleInfos) {
 219       TabLabel eachLabel = myInfo2Label.get(each);
 220       needsUpdate |= eachLabel.repaintAttraction();
 221     }
 222
 223     if (needsUpdate) {
 224       relayout(true, false);
 225     }
 226   }
 227
 228   public void addNotify() {
 229     super.addNotify();
 230
 231     if (myActionManager != null && !myListenerAdded) {
 232       myActionManager.addTimerListener(500, this);
 233       myListenerAdded = true;
 234     }
 235   }
 236
 237   public void removeNotify() {
 238     super.removeNotify();
 239
 240     setFocused(false);
 241
 242     removeTimerUpdate();
 243   }
 244
 245   private void removeTimerUpdate() {
 246     if (myActionManager != null && myListenerAdded) {
 247       myActionManager.removeTimerListener(this);
 248       myListenerAdded = false;
 249     }
 250   }
 251
 252   public ModalityState getModalityState() {
 253     return ModalityState.stateForComponent(this);
 254   }
 255
 256   public void run() {
 257     updateTabActions(false);
 258   }
 259
 260   public void updateTabActions(final boolean validateNow) {
 261     boolean changed = false;
 262     for (TabLabel label : myInfo2Label.values()) {
 263       changed |= label.updateTabActions();
 264     }
 265
 266     if (changed) {
 267       if (validateNow) {
 268         validate();
 269         paintImmediately(0, 0, getWidth(), getHeight());
 270       }
 271       else {
 272         revalidateAndRepaint(false);
 273       }
 274     }
 275   }
 276
 277   private void showMorePopup(final MouseEvent e) {
 278     mySingleRowLayout.myMorePopup = new JPopupMenu();
 279     for (final TabInfo each : myVisibleInfos) {
 280       final JCheckBoxMenuItem item = new JCheckBoxMenuItem(each.getText());
 281       mySingleRowLayout.myMorePopup.add(item);
 282       if (getSelectedInfo() == each) {
 283         item.setSelected(true);
 284       }
 285       item.addActionListener(new ActionListener() {
 286         public void actionPerformed(final ActionEvent e) {
 287           select(each, true);
 288         }
 289       });
 290     }
 291
 292     mySingleRowLayout.myMorePopup.addPopupMenuListener(new PopupMenuListener() {
 293       public void popupMenuWillBecomeVisible(final PopupMenuEvent e) {
 294       }
 295
 296       public void popupMenuWillBecomeInvisible(final PopupMenuEvent e) {
 297         mySingleRowLayout.myMorePopup = null;
 298       }
 299
 300       public void popupMenuCanceled(final PopupMenuEvent e) {
 301         mySingleRowLayout.myMorePopup = null;
 302       }
 303     });
 304
 305     mySingleRowLayout.myMorePopup.show(this, e.getX(), e.getY());
 306   }
 307
 308
 309   private JComponent getToFocus() {
 310     final TabInfo info = getSelectedInfo();
 311
 312     if (info == null) return null;
 313
 314     JComponent toFocus = null;
 315
 316     if (isRequestFocusOnLastFocusedComponent() && info.getLastFocusOwner() != null && !isMyChildIsFocusedNow()) {
 317       toFocus = info.getLastFocusOwner();
 318     }
 319
 320     if (toFocus == null && (info == null || info.getPreferredFocusableComponent() == null)) {
 321       return null;
 322     }
 323
 324
 325     if (toFocus == null) {
 326       toFocus = info.getPreferredFocusableComponent();
 327       final JComponent policyToFocus = myFocusManager != null ? myFocusManager.getFocusTargetFor(toFocus) : null;
 328       if (policyToFocus != null) {
 329         toFocus = policyToFocus;
 330       }
 331     }
 332
 333     return toFocus;
 334   }
 335
 336   public void requestFocus() {
 337     final JComponent toFocus = getToFocus();
 338     if (toFocus != null) {
 339       toFocus.requestFocus();
 340     }
 341     else {
 342       super.requestFocus();
 343     }
 344   }
 345
 346   public boolean requestFocusInWindow() {
 347     final JComponent toFocus = getToFocus();
 348     if (toFocus != null) {
 349       return toFocus.requestFocusInWindow();
 350     }
 351     else {
 352       return super.requestFocusInWindow();
 353     }
 354   }
 355
 356   private JBTabsImpl findTabs(Component c) {
 357     Component eachParent = c;
 358     while (eachParent != null) {
 359       if (eachParent instanceof JBTabsImpl) {
 360         return (JBTabsImpl)eachParent;
 361       }
 362       eachParent = eachParent.getParent();
 363     }
 364
 365     return null;
 366   }
 367
 368
 369   @NotNull
 370   public TabInfo addTab(TabInfo info, int index) {
 371     if (getTabs().contains(info)) {
 372       return getTabs().get(getTabs().indexOf(info));
 373     }
 374
 375     info.getChangeSupport().addPropertyChangeListener(this);
 376     final TabLabel label = new TabLabel(this, info);
 377     myInfo2Label.put(info, label);
 378
 379     if (index < 0) {
 380       myVisibleInfos.add(info);
 381     }
 382     else if (index > myVisibleInfos.size() - 1) {
 383       myVisibleInfos.add(info);
 384     }
 385     else {
 386       myVisibleInfos.add(index, info);
 387     }
 388
 389     myAllTabs = null;
 390
 391     add(label);
 392
 393     updateText(info);
 394     updateIcon(info);
 395     updateSideComponent(info);
 396     updateTabActions(info);
 397
 398     updateAll(false, true);
 399
 400     if (info.isHidden()) {
 401       updateHiding();
 402     }
 403
 404
 405     adjust(info);
 406
 407     revalidateAndRepaint(false);
 408
 409     return info;
 410   }
 411
 412
 413   @NotNull
 414   public TabInfo addTab(TabInfo info) {
 415     return addTab(info, -1);
 416   }
 417
 418   public ActionGroup getPopupGroup() {
 419     return myPopupGroup != null ? myPopupGroup.get() : null;
 420   }
 421
 422   public String getPopupPlace() {
 423     return myPopupPlace;
 424   }
 425
 426   public JBTabs setPopupGroup(@NotNull final ActionGroup popupGroup, @NotNull String place, final boolean addNavigationGroup) {
 427     return setPopupGroup(new Getter<ActionGroup>() {
 428       public ActionGroup get() {
 429         return popupGroup;
 430       }
 431     }, place, addNavigationGroup);
 432   }
 433
 434   public JBTabs setPopupGroup(@NotNull final Getter<ActionGroup> popupGroup,
 435                               @NotNull final String place,
 436                               final boolean addNavigationGroup) {
 437     myPopupGroup = popupGroup;
 438     myPopupPlace = place;
 439     myAddNavigationGroup = addNavigationGroup;
 440     return this;
 441   }
 442
 443   private void updateAll(final boolean forcedRelayout, final boolean now) {
 444     mySelectedInfo = getSelectedInfo();
 445     removeDeferred(updateContainer(forcedRelayout, now));
 446     updateListeners();
 447     updateTabActions(false);
 448   }
 449
 450   private boolean isMyChildIsFocusedNow() {
 451     final Component owner = getFocusOwner();
 452     if (owner == null) return false;
 453
 454
 455     if (mySelectedInfo != null) {
 456       if (!SwingUtilities.isDescendingFrom(owner, mySelectedInfo.getComponent())) return false;
 457     }
 458
 459     return SwingUtilities.isDescendingFrom(owner, this);
 460   }
 461
 462   @Nullable
 463   private JComponent getFocusOwner() {
 464     final Component owner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
 465     return (JComponent)(owner instanceof JComponent ? owner : null);
 466   }
 467
 468   public ActionCallback select(@NotNull TabInfo info, boolean requestFocus) {
 469     return _setSelected(info, requestFocus);
 470   }
 471
 472   private ActionCallback _setSelected(final TabInfo info, final boolean requestFocus) {
 473     if (mySelectedInfo != null && mySelectedInfo.equals(info)) {
 474       if (!requestFocus) {
 475         return new ActionCallback.Done();
 476       }
 477       else {
 478         requestFocus(getToFocus());
 479       }
 480     }
 481
 482
 483     if (myRequestFocusOnLastFocusedComponent && mySelectedInfo != null) {
 484       if (isMyChildIsFocusedNow()) {
 485         mySelectedInfo.setLastFocusOwner(getFocusOwner());
 486       }
 487     }
 488
 489     TabInfo oldInfo = mySelectedInfo;
 490     mySelectedInfo = info;
 491     final TabInfo newInfo = getSelectedInfo();
 492
 493     final Component deferredRemove = updateContainer(false, true);
 494
 495     if (oldInfo != newInfo) {
 496       for (TabsListener eachListener : myTabListeners) {
 497         if (eachListener != null) {
 498           eachListener.selectionChanged(oldInfo, newInfo);
 499         }
 500       }
 501     }
 502
 503     if (requestFocus) {
 504       final JComponent toFocus = getToFocus();
 505       if (myProject != null && toFocus != null) {
 506         final ActionCallback result = new ActionCallback();
 507         requestFocus(toFocus).doWhenProcessed(new Runnable() {
 508           public void run() {
 509             if (myDisposed) {
 510               result.setRejected();
 511             } else {
 512               removeDeferred(deferredRemove).notifyWhenDone(result);
 513             }
 514           }
 515         });
 516         return result;
 517       }
 518       else {
 519         requestFocus();
 520         return removeDeferred(deferredRemove);
 521       }
 522     }
 523     else {
 524       return removeDeferred(deferredRemove);
 525     }
 526   }
 527
 528   private ActionCallback requestFocus(final JComponent toFocus) {
 529     if (toFocus == null) return new ActionCallback.Done();
 530
 531     return myFocusManager.requestFocus(new FocusCommand(toFocus) {
 532       public ActionCallback run() {
 533         toFocus.requestFocus();
 534         return new ActionCallback.Done();
 535       }
 536     }, true);
 537   }
 538
 539   private ActionCallback removeDeferred(final Component deferredRemove) {
 540     final ActionCallback callback = new ActionCallback();
 541     if (deferredRemove != null) {
 542       SwingUtilities.invokeLater(new Runnable() {
 543         public void run() {
 544           if (isForDeferredRemove(deferredRemove)) {
 545             remove(deferredRemove);
 546           }
 547           callback.setDone();
 548         }
 549       });
 550     }
 551     else {
 552       callback.setDone();
 553     }
 554
 555     return callback;
 556   }
 557
 558   private boolean isForDeferredRemove(Component c) {
 559     if (c instanceof JComponent) {
 560       if (((JComponent)c).getClientProperty(DEFERRED_REMOVE_FLAG) == null) return false;
 561
 562       if (mySelectedInfo != null && mySelectedInfo.getComponent() == c) {
 563         return false;
 564       }
 565       else {
 566         return true;
 567       }
 568
 569     }
 570
 571     return false;
 572   }
 573
 574   private void setForDeferredRemove(Component c, boolean toRemove) {
 575     if (c instanceof JComponent) {
 576       ((JComponent)c).putClientProperty(DEFERRED_REMOVE_FLAG, toRemove ? Boolean.TRUE : null);
 577       c.setBounds(0, 0, 0, 0);
 578       if (toRemove) {
 579         removeCurrentDeferred();
 580         setDeferredToRemove(c);
 581       }
 582       else if (getDeferredToRemove() != null && getDeferredToRemove() == c) {
 583         setDeferredToRemove(null);
 584       }
 585     }
 586   }
 587
 588   private void removeCurrentDeferred() {
 589     if (getDeferredToRemove() != null) {
 590       remove(getDeferredToRemove());
 591       setDeferredToRemove(null);
 592     }
 593   }
 594
 595   @Nullable
 596   public void propertyChange(final PropertyChangeEvent evt) {
 597     final TabInfo tabInfo = (TabInfo)evt.getSource();
 598     if (TabInfo.ACTION_GROUP.equals(evt.getPropertyName())) {
 599       updateSideComponent(tabInfo);
 600     }
 601     else if (TabInfo.TEXT.equals(evt.getPropertyName())) {
 602       updateText(tabInfo);
 603     }
 604     else if (TabInfo.ICON.equals(evt.getPropertyName())) {
 605       updateIcon(tabInfo);
 606     }
 607     else if (TabInfo.ALERT_STATUS.equals(evt.getPropertyName())) {
 608       boolean start = ((Boolean)evt.getNewValue()).booleanValue();
 609       updateAttraction(tabInfo, start);
 610     }
 611     else if (TabInfo.TAB_ACTION_GROUP.equals(evt.getPropertyName())) {
 612       updateTabActions(tabInfo);
 613     }
 614     else if (TabInfo.HIDDEN.equals(evt.getPropertyName())) {
 615       updateHiding();
 616     }
 617
 618     relayout(false, false);
 619   }
 620
 621   private void updateHiding() {
 622     boolean update = false;
 623
 624     Iterator<TabInfo> visible = myVisibleInfos.iterator();
 625     while (visible.hasNext()) {
 626       TabInfo each = visible.next();
 627       if (each.isHidden() && !myHiddenInfos.contains(each)) {
 628         myHiddenInfos.add(each);
 629         visible.remove();
 630         update = true;
 631       }
 632     }
 633
 634
 635     Iterator<TabInfo> hidden = myHiddenInfos.iterator();
 636     while (hidden.hasNext()) {
 637       TabInfo each = hidden.next();
 638       if (!each.isHidden() && myHiddenInfos.contains(each)) {
 639         myVisibleInfos.add(each);
 640         hidden.remove();
 641         update = true;
 642       }
 643     }
 644
 645
 646     if (update) {
 647       myAllTabs = null;
 648       if (mySelectedInfo != null && myHiddenInfos.contains(mySelectedInfo)) {
 649         mySelectedInfo = getToSelectOnRemoveOf(mySelectedInfo);
 650       }
 651       updateAll(true, false);
 652     }
 653   }
 654
 655   private void updateIcon(final TabInfo tabInfo) {
 656     myInfo2Label.get(tabInfo).setIcon(tabInfo.getIcon());
 657     revalidateAndRepaint(false);
 658   }
 659
 660   void revalidateAndRepaint(final boolean layoutNow) {
 661     if (myVisibleInfos.size() == 0) {
 662       setOpaque(false);
 663       final Component nonOpaque = UIUtil.findUltimateParent(this);
 664       if (nonOpaque != null && getParent() != null) {
 665         final Rectangle toRepaint = SwingUtilities.convertRectangle(getParent(), getBounds(), nonOpaque);
 666         nonOpaque.repaint(toRepaint.x, toRepaint.y, toRepaint.width, toRepaint.height);
 667       }
 668     }
 669     else {
 670       setOpaque(true);
 671     }
 672
 673     if (layoutNow) {
 674       validate();
 675     }
 676     else {
 677       revalidate();
 678     }
 679
 680     repaint();
 681   }
 682
 683
 684   private void updateAttraction(final TabInfo tabInfo, boolean start) {
 685     if (start) {
 686       myAttractions.add(tabInfo);
 687     }
 688     else {
 689       myAttractions.remove(tabInfo);
 690       tabInfo.setBlinkCount(0);
 691     }
 692
 693     if (start && !myAnimator.isRunning()) {
 694       myAnimator.resume();
 695     }
 696     else if (!start && myAttractions.size() == 0) {
 697       myAnimator.suspend();
 698       repaintAttractions();
 699     }
 700   }
 701
 702   private void updateText(final TabInfo tabInfo) {
 703     final TabLabel label = myInfo2Label.get(tabInfo);
 704     label.setText(tabInfo.getColoredText());
 705     label.setToolTipText(tabInfo.getTooltipText());
 706     revalidateAndRepaint(false);
 707   }
 708
 709   private void updateSideComponent(final TabInfo tabInfo) {
 710     final JComponent old = myInfo2Toolbar.get(tabInfo);
 711     if (old != null) {
 712       remove(old);
 713     }
 714     final JComponent toolbar = createToolbarComponent(tabInfo);
 715     if (toolbar != null) {
 716       myInfo2Toolbar.put(tabInfo, toolbar);
 717       add(toolbar);
 718     }
 719   }
 720
 721   private void updateTabActions(final TabInfo info) {
 722     myInfo2Label.get(info).setTabActions(info.getTabLabelActions());
 723   }
 724
 725   @Nullable
 726   public TabInfo getSelectedInfo() {
 727     if (!myVisibleInfos.contains(mySelectedInfo)) {
 728       mySelectedInfo = null;
 729     }
 730     return mySelectedInfo != null ? mySelectedInfo : (myVisibleInfos.size() > 0 ? myVisibleInfos.get(0) : null);
 731   }
 732
 733   @Nullable
 734   private TabInfo getToSelectOnRemoveOf(TabInfo info) {
 735     if (!myVisibleInfos.contains(info)) return null;
 736     if (mySelectedInfo != info) return null;
 737
 738     if (myVisibleInfos.size() == 1) return null;
 739
 740     int index = myVisibleInfos.indexOf(info);
 741     if (index > 0) return myVisibleInfos.get(index - 1);
 742     if (index < myVisibleInfos.size() - 1) return myVisibleInfos.get(index + 1);
 743
 744     return null;
 745   }
 746
 747   protected JComponent createToolbarComponent(final TabInfo tabInfo) {
 748     return new Toolbar(this, tabInfo);
 749   }
 750
 751   @NotNull
 752   public TabInfo getTabAt(final int tabIndex) {
 753     return getTabs().get(tabIndex);
 754   }
 755
 756   @NotNull
 757   public List<TabInfo> getTabs() {
 758     if (myAllTabs != null) return myAllTabs;
 759
 760     ArrayList<TabInfo> result = new ArrayList<TabInfo>();
 761     result.addAll(myVisibleInfos);
 762     result.addAll(myHiddenInfos);
 763
 764     myAllTabs = result;
 765
 766     return result;
 767   }
 768
 769   public TabInfo getTargetInfo() {
 770     return myPopupInfo != null ? myPopupInfo : getSelectedInfo();
 771   }
 772
 773   public void popupMenuWillBecomeVisible(final PopupMenuEvent e) {
 774   }
 775
 776   public void popupMenuWillBecomeInvisible(final PopupMenuEvent e) {
 777     resetPopup();
 778   }
 779
 780   public void popupMenuCanceled(final PopupMenuEvent e) {
 781     resetPopup();
 782   }
 783
 784   private void resetPopup() {
 785 //todo [kirillk] dirty hack, should rely on ActionManager to understand that menu item was either chosen on or cancelled
 786     SwingUtilities.invokeLater(new Runnable() {
 787       public void run() {
 788         myPopupInfo = null;
 789       }
 790     });
 791   }
 792
 793   public void setPaintBlocked(boolean blocked) {
 794     if (blocked && !myPaintBlocked) {
 795       myImage = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
 796       final Graphics2D g = myImage.createGraphics();
 797       super.paint(g);
 798       g.dispose();
 799     }
 800
 801     myPaintBlocked = blocked;
 802
 803     if (!myPaintBlocked) {
 804       if (myImage != null) {
 805         myImage.flush();
 806       }
 807
 808       myImage = null;
 809       repaint();
 810     }
 811   }
 812
 813   @Nullable
 814   private Component getDeferredToRemove() {
 815     return myDeferredToRemove != null ? myDeferredToRemove.get() : null;
 816   }
 817
 818   private void setDeferredToRemove(final Component c) {
 819     myDeferredToRemove = new WeakReference<Component>(c);
 820   }
 821
 822   public boolean isToDrawBorderIfTabsHidden() {
 823     return myToDrawBorderIfTabsHidden;
 824   }
 825
 826   @NotNull
 827   public JBTabsPresentation setToDrawBorderIfTabsHidden(final boolean toDrawBorderIfTabsHidden) {
 828     myToDrawBorderIfTabsHidden = toDrawBorderIfTabsHidden;
 829     return this;
 830   }
 831
 832   @NotNull
 833   public JBTabs getJBTabs() {
 834     return this;
 835   }
 836
 837   public static class Toolbar extends JPanel {
 838     private JBTabsImpl myTabs;
 839
 840     public Toolbar(JBTabsImpl tabs, TabInfo info) {
 841       myTabs = tabs;
 842
 843       setLayout(new BorderLayout());
 844
 845       final ActionGroup group = info.getGroup();
 846       final JComponent side = info.getSideComponent();
 847
 848       if (group != null && myTabs.myActionManager != null) {
 849         final String place = info.getPlace();
 850         ActionToolbar toolbar = myTabs.myActionManager.createActionToolbar(place != null ? place : ActionPlaces.UNKNOWN, group, myTabs.myHorizontalSide);
 851         toolbar.setTargetComponent(info.getActionsContextComponent());
 852         final JComponent actionToolbar = toolbar.getComponent();
 853         add(actionToolbar, BorderLayout.CENTER);
 854       }
 855
 856       if (side != null) {
 857         if (group != null) {
 858           add(side, BorderLayout.EAST);
 859         }
 860         else {
 861           add(side, BorderLayout.CENTER);
 862         }
 863       }
 864     }
 865   }
 866
 867
 868
 869
 870   public void doLayout() {
 871     try {
 872       final Max max = computeMaxSize();
 873       myHeaderFitSize =
 874           new Dimension(getSize().width, myHorizontalSide ? Math.max(max.myLabel.height, max.myToolbar.height) : max.myLabel.height);
 875
 876       if (isSingleRow()) {
 877         myLastLayoutPass = mySingleRowLayout.layoutSingleRow();
 878         myTableLayout.myLastTableLayout = null;
 879       }
 880       else {
 881         myLastLayoutPass = myTableLayout.layoutTable();
 882         mySingleRowLayout.myLastSingRowLayout = null;
 883       }
 884
 885       if (isStealthModeEffective()) {
 886         final TabLabel label = myInfo2Label.get(getSelectedInfo());
 887         final Rectangle bounds = label.getBounds();
 888         final Insets insets = getLayoutInsets();
 889         label.setBounds(bounds.x, bounds.y, getWidth() - insets.right - insets.left, bounds.height);
 890       }
 891
 892     }
 893     finally {
 894       myForcedRelayout = false;
 895     }
 896   }
 897
 898
 899   public void layoutComp(int xAddin, int yComp, final JComponent comp) {
 900     final Insets insets = getLayoutInsets();
 901
 902     final Insets border =
 903         isHideTabs() ? new Insets(0, 0, 0, 0) : (Insets)myBorderSize.clone();
 904     if (isStealthModeEffective() || isHideTabs()) {
 905       border.top = getBorder(-1);
 906       border.bottom = getBorder(-1);
 907       border.left = getBorder(-1);
 908       border.right = getBorder(-1);
 909     }
 910
 911     final Insets inner = getInnerInsets();
 912     border.top += inner.top;
 913     border.bottom += inner.bottom;
 914     border.left += inner.left;
 915     border.right += inner.right;
 916
 917     comp.setBounds(insets.left + xAddin + border.left, yComp + border.top,
 918                    getWidth() - insets.left - insets.right - xAddin - border.left - border.right,
 919                    getHeight() - insets.bottom - yComp - border.top - border.bottom);
 920   }
 921
 922
 923   public JBTabsPresentation setInnerInsets(final Insets innerInsets) {
 924     myInnerInsets = innerInsets;
 925     return this;
 926   }
 927
 928   public Insets getInnerInsets() {
 929     return myInnerInsets;
 930   }
 931
 932   public Insets getLayoutInsets() {
 933     Insets insets = getInsets();
 934     if (insets == null) {
 935       insets = new Insets(0, 0, 0, 0);
 936     }
 937     return insets;
 938   }
 939
 940   private int fixInset(int inset, int addin) {
 941     return inset + addin;
 942   }
 943
 944
 945
 946   public int getToolbarInset() {
 947     return getArcSize() + 1;
 948   }
 949
 950   public void resetLayout(boolean resetLabels) {
 951     if (resetLabels) {
 952       mySingleRowLayout.myLeftGhost.reset();
 953       mySingleRowLayout.myRightGhost.reset();
 954     }
 955
 956     for (TabInfo each : myVisibleInfos) {
 957       reset(each, resetLabels);
 958     }
 959
 960     for (TabInfo each : myHiddenInfos) {
 961       reset(each, resetLabels);
 962     }
 963   }
 964
 965   private void reset(final TabInfo each, final boolean resetLabels) {
 966     final JComponent c = each.getComponent();
 967     if (c != null) {
 968       c.setBounds(0, 0, 0, 0);
 969     }
 970
 971     final JComponent toolbar = myInfo2Toolbar.get(each);
 972     if (toolbar != null) {
 973       toolbar.setBounds(0, 0, 0, 0);
 974     }
 975
 976     if (resetLabels) {
 977       myInfo2Label.get(each).setBounds(0, 0, 0, 0);
 978     }
 979   }
 980
 981
 982   private int getArcSize() {
 983     return 4;
 984   }
 985
 986   public int getGhostTabWidth() {
 987     return 15;
 988   }
 989
 990
 991   protected void paintComponent(final Graphics g) {
 992     super.paintComponent(g);
 993
 994     if (myVisibleInfos.size() == 0) return;
 995
 996     final GraphicsConfig config = new GraphicsConfig(g);
 997     config.setAntialiasing(true);
 998
 999     Graphics2D g2d = (Graphics2D)g;
1000
1001
1002     g.setColor(getBackground());
1003     g.fillRect(0, 0, getWidth(), getHeight());
1004
1005     int arc = getArcSize();
1006
1007     final Color topBlickColor = getTopBlickColor();
1008     final Color rightBlockColor = getRightBlockColor();
1009     final Color boundsColor = getBoundsColor();
1010
1011     Insets insets = getLayoutInsets();
1012
1013     final TabInfo selected = getSelectedInfo();
1014
1015     final int selectionTabVShift = getSelectionTabVShift();
1016     int curveArc = 2;
1017
1018     boolean leftGhostExists = isSingleRow();
1019     boolean rightGhostExists = isSingleRow();
1020
1021     if (!isStealthModeEffective() && !isHideTabs()) {
1022       if (isSingleRow() && mySingleRowLayout.myLastSingRowLayout.rightGhostVisible) {
1023         int topX = mySingleRowLayout.myLastSingRowLayout.rightGhost.x - arc;
1024         int topY = mySingleRowLayout.myLastSingRowLayout.rightGhost.y + selectionTabVShift;
1025         int bottomX = (int)(mySingleRowLayout.myLastSingRowLayout.rightGhost.getMaxX() - curveArc);
1026         int bottomY = (int)mySingleRowLayout.myLastSingRowLayout.rightGhost.getMaxY() + 1;
1027
1028         final GeneralPath path = new GeneralPath();
1029         path.moveTo(topX, topY);
1030         path.lineTo(bottomX, topY);
1031         path.quadTo(bottomX - curveArc, topY + (bottomY - topY) / 4, bottomX, topY + (bottomY - topY) / 2);
1032         path.quadTo(bottomX + curveArc, bottomY - (bottomY - topY) / 4, bottomX, bottomY);
1033         path.lineTo(topX, bottomY);
1034
1035         path.closePath();
1036
1037         g2d.setColor(getBackground());
1038         g2d.fill(path);
1039
1040         g2d.setColor(boundsColor);
1041         g2d.draw(path);
1042
1043         g2d.setColor(topBlickColor);
1044         g2d.drawLine(topX, topY + 1, bottomX - curveArc, topY + 1);
1045       }
1046
1047
1048       paintNonSelectedTabs(g2d, leftGhostExists);
1049
1050       if (isSingleRow() && mySingleRowLayout.myLastSingRowLayout.leftGhostVisible) {
1051         final GeneralPath path = new GeneralPath();
1052
1053         int topX = mySingleRowLayout.myLastSingRowLayout.leftGhost.x + curveArc;
1054         int topY = mySingleRowLayout.myLastSingRowLayout.leftGhost.y + selectionTabVShift;
1055         int bottomX = (int)mySingleRowLayout.myLastSingRowLayout.leftGhost.getMaxX() + 1;
1056         int bottomY = (int)(mySingleRowLayout.myLastSingRowLayout.leftGhost.getMaxY() + 1);
1057
1058         path.moveTo(topX, topY);
1059
1060         final boolean isLeftFromSelection = mySingleRowLayout.myLastSingRowLayout.toLayout.indexOf(getSelectedInfo()) == 0;
1061
1062         if (isLeftFromSelection) {
1063           path.lineTo(bottomX, topY);
1064         }
1065         else {
1066           path.lineTo(bottomX - arc, topY);
1067           path.quadTo(bottomX, topY, bottomX, topY + arc);
1068         }
1069
1070         path.lineTo(bottomX, bottomY);
1071         path.lineTo(topX, bottomY);
1072
1073         path.quadTo(topX - curveArc * 2 + 1, bottomY - (bottomY - topY) / 4, topX, (bottomY - topY) / 2);
1074
1075         path.quadTo(topX + curveArc - 1, topY + (bottomY - topY) / 4, topX, topY);
1076
1077         path.closePath();
1078
1079         g2d.setColor(getBackground());
1080         g2d.fill(path);
1081
1082         g.setColor(boundsColor);
1083         g2d.draw(path);
1084
1085         g.setColor(topBlickColor);
1086         g.drawLine(topX + 1, topY + 1, bottomX - arc, topY + 1);
1087
1088         g.setColor(rightBlockColor);
1089         g2d.drawLine(bottomX - 1, topY + arc, bottomX - 1, bottomY - 1);
1090       }
1091
1092     }
1093
1094     if (selected == null) return;
1095
1096
1097     final TabLabel selectedLabel = myInfo2Label.get(selected);
1098     if (selectedLabel == null) return;
1099
1100     Rectangle selectedTabBounds = selectedLabel.getBounds();
1101
1102
1103     final GeneralPath path = new GeneralPath();
1104     int bottomY = (int)selectedTabBounds.getMaxY() + 1;
1105     final int topY = selectedTabBounds.y;
1106     int leftX = selectedTabBounds.x;
1107
1108     int rightX = selectedTabBounds.x + selectedTabBounds.width;
1109
1110     path.moveTo(insets.left, bottomY);
1111     path.lineTo(leftX, bottomY);
1112     path.lineTo(leftX, topY + arc);
1113     path.quadTo(leftX, topY, leftX + arc, topY);
1114
1115     int lastX = getWidth() - insets.right - 1;
1116
1117     if (isStealthModeEffective()) {
1118       path.lineTo(lastX - arc, topY);
1119       path.quadTo(lastX, topY, lastX, topY + arc);
1120       path.lineTo(lastX, bottomY);
1121     }
1122     else {
1123       path.lineTo(rightX - arc, topY);
1124       path.quadTo(rightX, topY, rightX, topY + arc);
1125       if (myLastLayoutPass.hasCurveSpaceFor(selected)) {
1126         path.lineTo(rightX, bottomY - arc);
1127         path.quadTo(rightX, bottomY, rightX + arc, bottomY);
1128       } else {
1129         path.lineTo(rightX, bottomY);
1130       }
1131     }
1132
1133     path.lineTo(lastX, bottomY);
1134
1135     if (isStealthModeEffective()) {
1136       path.closePath();
1137     }
1138
1139     final GeneralPath fillPath = (GeneralPath)path.clone();
1140     if (!isHideTabs()) {
1141       fillPath.lineTo(lastX, bottomY + 1);
1142       fillPath.lineTo(leftX, bottomY + 1);
1143       fillPath.closePath();
1144       g2d.setColor(getBackground());
1145       g2d.fill(fillPath);
1146     }
1147
1148
1149     final Color from;
1150     final Color to;
1151     final int alpha;
1152     int paintTopY = topY;
1153     int paintBottomY = bottomY;
1154     final boolean paintFocused = myPaintFocus && (myFocused || myActivePopup != null);
1155     Color bgPreFill = null;
1156     if (paintFocused) {
1157       if (getActiveTabFillIn() == null) {
1158         from = UIUtil.getFocusedFillColor();
1159         to = UIUtil.getFocusedFillColor();
1160       } else {
1161         bgPreFill = getActiveTabFillIn();
1162         alpha = 255;
1163         paintBottomY = topY + getArcSize() - 2;
1164         from = UIUtil.toAlpha(UIUtil.getFocusedFillColor(), alpha);
1165         to = UIUtil.toAlpha(getActiveTabFillIn(), alpha);
1166       }
1167     }
1168     else {
1169       if (isPaintFocus()) {
1170         if (getActiveTabFillIn() == null) {
1171           alpha = 150;
1172           from = UIUtil.toAlpha(UIUtil.getPanelBackgound().brighter(), alpha);
1173           to = UIUtil.toAlpha(UIUtil.getPanelBackgound(), alpha);
1174         } else {
1175           alpha = 255;
1176           from = UIUtil.toAlpha(getActiveTabFillIn(), alpha);
1177           to = UIUtil.toAlpha(getActiveTabFillIn(), alpha);
1178         }
1179       }
1180       else {
1181         alpha = 255;
1182         from = UIUtil.toAlpha(Color.white, alpha);
1183         to = UIUtil.toAlpha(Color.white, alpha);
1184       }
1185     }
1186
1187     if (!isHideTabs()) {
1188       if (bgPreFill != null) {
1189         g2d.setColor(bgPreFill);
1190         g2d.fill(fillPath);
1191       }
1192       g2d.setPaint(new GradientPaint(selectedTabBounds.x, paintTopY, from, selectedTabBounds.x, paintBottomY, to));
1193       g2d.fill(fillPath);
1194     }
1195
1196     Color borderColor = UIUtil.getBoundsColor(paintFocused);
1197     g2d.setColor(borderColor);
1198
1199     if (!isHideTabs()) {
1200       g2d.draw(path);
1201     }
1202
1203     if (isHideTabs()) {
1204       paintBorder(g2d, insets.left, insets.top, getWidth() - insets.left - insets.right, getHeight() - insets.bottom - insets.top,
1205                   borderColor, from, to, paintFocused);
1206     }
1207     else {
1208       paintBorder(g2d, insets.left, bottomY, getWidth() - insets.left - insets.right, getHeight() - bottomY - insets.bottom, borderColor,
1209                   from, to, paintFocused);
1210     }
1211
1212     config.setAntialiasing(false);
1213     if (isSideComponentVertical()) {
1214       JComponent toolbarComp = myInfo2Toolbar.get(mySelectedInfo);
1215       if (toolbarComp != null) {
1216         Rectangle toolBounds = toolbarComp.getBounds();
1217         g2d.setColor(CaptionPanel.CNT_ACTIVE_COLOR);
1218         g.drawLine((int)toolBounds.getMaxX(), toolBounds.y, (int)toolBounds.getMaxX(), (int)toolBounds.getMaxY() - 1);
1219       }
1220     }
1221
1222     config.restore();
1223   }
1224
1225   private Color getBoundsColor() {
1226     return Color.gray;
1227   }
1228
1229   private Color getRightBlockColor() {
1230     return Color.lightGray;
1231   }
1232
1233   private Color getTopBlickColor() {
1234     return Color.white;
1235   }
1236
1237   private void paintNonSelectedTabs(final Graphics2D g2d, final boolean leftGhostExists) {
1238     for (int eachRow = 0; eachRow < myLastLayoutPass.getRowCount(); eachRow++) {
1239       for (int eachColumn = myLastLayoutPass.getColumnCount(eachRow) - 1; eachColumn >= 0; eachColumn--) {
1240         final TabInfo each = myLastLayoutPass.getTabAt(eachRow, eachColumn);
1241         if (getSelectedInfo() == each) continue;
1242         paintTab(g2d, each, leftGhostExists);
1243       }
1244     }
1245   }
1246
1247   private void paintTab(final Graphics2D g2d, final TabInfo each, final boolean leftGhostExists) {
1248     int tabIndex = myVisibleInfos.indexOf(each);
1249
1250     final int arc = getArcSize();
1251     final Color topBlickColor = getTopBlickColor();
1252     final Color rightBlockColor = getRightBlockColor();
1253     final Color boundsColor = getBoundsColor();
1254     final TabInfo selected = getSelectedInfo();
1255     final int selectionTabVShift = getSelectionTabVShift();
1256
1257
1258     final TabLabel eachLabel = myInfo2Label.get(each);
1259     if (eachLabel.getBounds().width == 0) return;
1260
1261
1262     final TabInfo prev = myLastLayoutPass.getPreviousFor(myVisibleInfos.get(tabIndex));
1263     final TabInfo next = myLastLayoutPass.getNextFor(myVisibleInfos.get(tabIndex));
1264
1265     final Rectangle eachBounds = eachLabel.getBounds();
1266     final GeneralPath path = new GeneralPath();
1267
1268     boolean firstShowing = prev == null;
1269     if (!firstShowing && !leftGhostExists) {
1270       firstShowing = myInfo2Label.get(prev).getBounds().width == 0;
1271     }
1272
1273     boolean lastShowing = next == null;
1274     if (!lastShowing) {
1275       lastShowing = myInfo2Label.get(next).getBounds().width == 0;
1276     }
1277
1278     boolean leftFromSelection = selected != null && tabIndex == myVisibleInfos.indexOf(selected) - 1;
1279
1280
1281     int leftX = firstShowing ? eachBounds.x : eachBounds.x - arc - 1;
1282     int topY = eachBounds.y + selectionTabVShift;
1283     int rigthX = !lastShowing && leftFromSelection ? (int)eachBounds.getMaxX() + arc + 1 : (int)eachBounds.getMaxX();
1284     int bottomY = (int)eachBounds.getMaxY() + 1;
1285
1286     path.moveTo(leftX, bottomY);
1287     path.lineTo(leftX, topY + arc);
1288     path.quadTo(leftX, topY, leftX + arc, topY);
1289     path.lineTo(rigthX - arc, topY);
1290     path.quadTo(rigthX, topY, rigthX, topY + arc);
1291     path.lineTo(rigthX, bottomY);
1292
1293     if (!isSingleRow()) {
1294       final TablePassInfo info = myTableLayout.myLastTableLayout;
1295       if (!info.isInSelectionRow(each)) {
1296         path.lineTo(rigthX, bottomY + getArcSize());
1297         path.lineTo(leftX, bottomY + getArcSize());
1298         path.lineTo(leftX, bottomY);
1299       }
1300     }
1301
1302     path.closePath();
1303
1304     g2d.setColor(getBackground());
1305     g2d.fill(path);
1306
1307     g2d.setColor(topBlickColor);
1308     g2d.drawLine(leftX + arc, topY + 1, rigthX - arc, topY + 1);
1309
1310     g2d.setColor(rightBlockColor);
1311     g2d.drawLine(rigthX - 1, topY + arc - 1, rigthX - 1, bottomY);
1312
1313     g2d.setColor(boundsColor);
1314     g2d.draw(path);
1315   }
1316
1317   public int getSelectionTabVShift() {
1318     return 2;
1319   }
1320
1321   private void paintBorder(Graphics2D g2d,
1322                            int x,
1323                            int y,
1324                            int width,
1325                            int height,
1326                            final Color borderColor,
1327                            final Color fillFrom,
1328                            final Color fillTo,
1329                            boolean isFocused) {
1330     int topY = y + 1;
1331     int bottomY = y + myBorderSize.top - 2;
1332     int middleY = topY + (bottomY - topY) / 2;
1333
1334     if (myBorderSize.top > 0) {
1335       if (isHideTabs()) {
1336         if (isToDrawBorderIfTabsHidden()) {
1337           g2d.setColor(borderColor);
1338           g2d.drawLine(x, y, x + width - 1, y);
1339         }
1340       }
1341       else if (isStealthModeEffective()) {
1342         g2d.setColor(borderColor);
1343         g2d.drawLine(x, y - 1, x + width - 1, y - 1);
1344       }
1345       else if (getActiveTabFillIn() == null) {
1346         if (myBorderSize.top > 1) {
1347           g2d.setColor(Color.white);
1348           g2d.fillRect(x, topY, width, bottomY - topY);
1349
1350           g2d.setColor(fillTo);
1351           g2d.fillRect(x, topY, width, middleY - topY);
1352
1353           final Color relfectionStartColor =
1354               isFocused ? UIUtil.toAlpha(UIUtil.getListSelectionBackground().darker(), 125) : UIUtil.toAlpha(borderColor, 75);
1355           g2d.setPaint(new GradientPaint(x, middleY, relfectionStartColor, x, bottomY, UIUtil.toAlpha(Color.white, 255)));
1356           g2d.fillRect(x, middleY, width, bottomY - middleY);
1357
1358           g2d.setColor(UIUtil.toAlpha(Color.white, 100));
1359           g2d.drawLine(x, topY, x + width - 1, topY);
1360
1361
1362           g2d.setColor(Color.lightGray);
1363           g2d.drawLine(x, bottomY, x + width - 1, bottomY);
1364         }
1365         else if (myBorderSize.top == 1) {
1366           g2d.setColor(borderColor);
1367           g2d.drawLine(x, y, x + width - 1, y);
1368         }
1369       }
1370     }
1371
1372     g2d.setColor(borderColor);
1373     g2d.fillRect(x, y + height - myBorderSize.bottom, width, myBorderSize.bottom);
1374
1375     g2d.fillRect(x, y, myBorderSize.left, height);
1376     g2d.fillRect(x + width - myBorderSize.right, y, myBorderSize.right, height);
1377   }
1378
1379   public boolean isStealthModeEffective() {
1380     return myStealthTabMode && getTabCount() == 1 && isSideComponentVertical();
1381   }
1382
1383
1384   private boolean isNavigationVisible() {
1385     if (myStealthTabMode && getTabCount() == 1) return false;
1386     return myVisibleInfos.size() > 0;
1387   }
1388
1389
1390   public void paint(final Graphics g) {
1391     if (myPaintBlocked) {
1392       g.drawImage(myImage, 0, 0, getWidth(), getHeight(), null);
1393       return;
1394     }
1395
1396     super.paint(g);
1397   }
1398
1399   protected void paintChildren(final Graphics g) {
1400     super.paintChildren(g);
1401
1402     //if (isSingleRow() && myLastSingRowLayout != null) {
1403     //  final List<TabInfo> infos = myLastSingRowLayout.toLayout;
1404     //  for (int i = 1; i < infos.size(); i++) {
1405     //    final TabInfo each = infos.get(i);
1406     //    if (getSelectedInfo() != each && getSelectedInfo() != infos.get(i - 1)) {
1407     //      drawSeparator(g, each);
1408     //    }
1409     //  }
1410     //}
1411     //else if (!isSingleRow() && myLastTableLayout != null) {
1412     //  final List<TableRow> table = myLastTableLayout.table;
1413     //  for (TableRow eachRow : table) {
1414     //    final List<TabInfo> infos = eachRow.myColumns;
1415     //    for (int i = 1; i < infos.size(); i++) {
1416     //      final TabInfo each = infos.get(i);
1417     //      if (getSelectedInfo() != each && getSelectedInfo() != infos.get(i - 1)) {
1418     //        drawSeparator(g, each);
1419     //      }
1420     //    }
1421     //  }
1422     //}
1423
1424     mySingleRowLayout.myMoreIcon.paintIcon(this, g);
1425   }
1426
1427   private void drawSeparator(Graphics g, TabInfo info) {
1428     final TabLabel label = myInfo2Label.get(info);
1429     if (label == null) return;
1430     final Rectangle bounds = label.getBounds();
1431
1432     final double height = bounds.height * 0.85d;
1433     final double delta = bounds.height - height;
1434
1435     final int y1 = (int)(bounds.y + delta) + 1;
1436     final int x1 = bounds.x;
1437     final int y2 = (int)(bounds.y + bounds.height - delta);
1438     UIUtil.drawVDottedLine((Graphics2D)g, x1, y1, y2, getBackground(), Color.gray);
1439   }
1440
1441   private Max computeMaxSize() {
1442     Max max = new Max();
1443     for (TabInfo eachInfo : myVisibleInfos) {
1444       final TabLabel label = myInfo2Label.get(eachInfo);
1445       max.myLabel.height = Math.max(max.myLabel.height, label.getPreferredSize().height);
1446       max.myLabel.width = Math.max(max.myLabel.width, label.getPreferredSize().width);
1447       final JComponent toolbar = myInfo2Toolbar.get(eachInfo);
1448       if (toolbar != null) {
1449         max.myToolbar.height = Math.max(max.myToolbar.height, toolbar.getPreferredSize().height);
1450         max.myToolbar.width = Math.max(max.myToolbar.width, toolbar.getPreferredSize().width);
1451       }
1452     }
1453
1454     max.myToolbar.height++;
1455
1456     return max;
1457   }
1458
1459   @Nullable
1460   private JComponent getSelectedComponent() {
1461     final TabInfo selection = getSelectedInfo();
1462     if (selection != null) {
1463       final JComponent c = selection.getComponent();
1464       if (c != null && c.getParent() == this) return c;
1465     }
1466
1467     return null;
1468   }
1469
1470   public Dimension getMinimumSize() {
1471     final JComponent c = getSelectedComponent();
1472     return c != null ? c.getMinimumSize() : new Dimension(0, 0);
1473   }
1474
1475   public Dimension getMaximumSize() {
1476     final JComponent c = getSelectedComponent();
1477     return c != null ? c.getMaximumSize() : super.getPreferredSize();
1478   }
1479
1480   public Dimension getPreferredSize() {
1481     final JComponent c = getSelectedComponent();
1482     return c != null ? c.getPreferredSize() : super.getPreferredSize();
1483   }
1484
1485   public int getTabCount() {
1486     return getTabs().size();
1487   }
1488
1489   @NotNull
1490   public JBTabsPresentation getPresentation() {
1491     return this;
1492   }
1493
1494   public ActionCallback removeTab(final JComponent component) {
1495     return removeTab(findInfo(component));
1496   }
1497
1498   public ActionCallback removeTab(final TabInfo info) {
1499     return removeTab(info, true);
1500   }
1501
1502   public ActionCallback removeTab(final TabInfo info, boolean transferFocus) {
1503     if (info == null || !getTabs().contains(info)) return new ActionCallback.Done();
1504
1505     final ActionCallback result = new ActionCallback();
1506
1507     TabInfo toSelect = transferFocus ? getToSelectOnRemoveOf(info) : null;
1508
1509
1510     if (toSelect != null) {
1511       final JComponent deferred = processRemove(info, false);
1512       _setSelected(toSelect, true).doWhenProcessed(new Runnable() {
1513         public void run() {
1514           removeDeferred(deferred);
1515         }
1516       }).notifyWhenDone(result);
1517     }
1518     else {
1519       removeDeferred(processRemove(info, true)).notifyWhenDone(result);
1520     }
1521
1522     if (myVisibleInfos.size() == 0) {
1523       removeCurrentDeferred();
1524     }
1525
1526     revalidateAndRepaint(true);
1527
1528     return result;
1529   }
1530
1531   @Nullable
1532   private JComponent processRemove(final TabInfo info, boolean forcedNow) {
1533     remove(myInfo2Label.get(info));
1534     final JComponent tb = myInfo2Toolbar.get(info);
1535     if (tb != null) {
1536       remove(tb);
1537     }
1538
1539     JComponent tabComponent = info.getComponent();
1540
1541     if (!isFocused(tabComponent) || forcedNow) {
1542       remove(tabComponent);
1543       tabComponent = null;
1544     }
1545     else {
1546       setForDeferredRemove(tabComponent, true);
1547     }
1548
1549     myVisibleInfos.remove(info);
1550     myHiddenInfos.remove(info);
1551     myInfo2Label.remove(info);
1552     myInfo2Toolbar.remove(info);
1553     myAllTabs = null;
1554
1555     updateAll(false, false);
1556
1557     return tabComponent;
1558   }
1559
1560   public TabInfo findInfo(Component component) {
1561     for (TabInfo each : getTabs()) {
1562       if (each.getComponent() == component) return each;
1563     }
1564
1565     return null;
1566   }
1567
1568   public TabInfo findInfo(String text) {
1569     if (text == null) return null;
1570
1571     for (TabInfo each : getTabs()) {
1572       if (text.equals(each.getText())) return each;
1573     }
1574
1575     return null;
1576   }
1577
1578   public TabInfo findInfo(MouseEvent event) {
1579     final Point point = SwingUtilities.convertPoint(event.getComponent(), event.getPoint(), this);
1580     return _findInfo(point, false);
1581   }
1582
1583   public TabInfo findInfo(final Object object) {
1584     for (int i = 0; i < getTabCount(); i++) {
1585       final TabInfo each = getTabAt(i);
1586       final Object eachObject = each.getObject();
1587       if (eachObject != null && eachObject.equals(object)) return each;
1588     }
1589     return null;
1590   }
1591
1592   public TabInfo findTabLabelBy(final Point point) {
1593     return _findInfo(point, true);
1594   }
1595
1596   private TabInfo _findInfo(final Point point, boolean labelsOnly) {
1597     Component component = findComponentAt(point);
1598     if (component == null) return null;
1599     while (component != this || component != null) {
1600       if (component instanceof TabLabel) {
1601         return ((TabLabel)component).getInfo();
1602       }
1603       else if (!labelsOnly) {
1604         final TabInfo info = findInfo(component);
1605         if (info != null) return info;
1606       }
1607       if (component == null) break;
1608       component = component.getParent();
1609     }
1610
1611     return null;
1612   }
1613
1614   public void removeAllTabs() {
1615     for (TabInfo each : getTabs()) {
1616       removeTab(each);
1617     }
1618   }
1619
1620
1621   private class Max {
1622     Dimension myLabel = new Dimension();
1623     Dimension myToolbar = new Dimension();
1624   }
1625
1626   @Nullable
1627   private Component updateContainer(boolean forced, final boolean layoutNow) {
1628     Component deferredRemove = null;
1629
1630     for (TabInfo each : myVisibleInfos) {
1631       final JComponent eachComponent = each.getComponent();
1632       if (getSelectedInfo() == each && getSelectedInfo() != null) {
1633         final Container parent = eachComponent.getParent();
1634         if (parent != null && parent != this) {
1635           parent.remove(eachComponent);
1636         }
1637
1638         if (eachComponent.getParent() == null) {
1639           add(eachComponent);
1640         }
1641       }
1642       else {
1643         if (eachComponent.getParent() == null) continue;
1644         if (isFocused(eachComponent)) {
1645           deferredRemove = eachComponent;
1646         }
1647         else {
1648           remove(eachComponent);
1649         }
1650       }
1651     }
1652
1653     if (deferredRemove != null) {
1654       setForDeferredRemove(deferredRemove, true);
1655     }
1656
1657
1658     relayout(forced, layoutNow);
1659
1660     return deferredRemove;
1661   }
1662
1663   protected void addImpl(final Component comp, final Object constraints, final int index) {
1664     setForDeferredRemove(comp, false);
1665
1666     if (comp instanceof TabLabel) {
1667       ((TabLabel)comp).apply(myUiDecorator.getDecoration());
1668     }
1669
1670     super.addImpl(comp, constraints, index);
1671   }
1672
1673   private boolean isFocused(JComponent c) {
1674     Component focusOwner = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
1675     return focusOwner != null && (focusOwner == c || SwingUtilities.isDescendingFrom(focusOwner, c));
1676   }
1677
1678   private void relayout(boolean forced, final boolean layoutNow) {
1679     if (!myForcedRelayout) {
1680       myForcedRelayout = forced;
1681     }
1682     revalidateAndRepaint(layoutNow);
1683   }
1684
1685   ActionManager getActionManager() {
1686     return myActionManager;
1687   }
1688
1689   @NotNull
1690   public JBTabs addTabMouseListener(@NotNull MouseListener listener) {
1691     removeListeners();
1692     myTabMouseListeners.add(listener);
1693     addListeners();
1694     return this;
1695   }
1696
1697   @NotNull
1698   public JComponent getComponent() {
1699     return this;
1700   }
1701
1702   @NotNull
1703   public JBTabs removeTabMouseListener(@NotNull MouseListener listener) {
1704     removeListeners();
1705     myTabMouseListeners.remove(listener);
1706     addListeners();
1707     return this;
1708   }
1709
1710   private void addListeners() {
1711     for (TabInfo eachInfo : myVisibleInfos) {
1712       final TabLabel label = myInfo2Label.get(eachInfo);
1713       for (MouseListener eachListener : myTabMouseListeners) {
1714         label.addMouseListener(eachListener);
1715       }
1716     }
1717   }
1718
1719   private void removeListeners() {
1720     for (TabInfo eachInfo : myVisibleInfos) {
1721       final TabLabel label = myInfo2Label.get(eachInfo);
1722       for (MouseListener eachListener : myTabMouseListeners) {
1723         label.removeMouseListener(eachListener);
1724       }
1725     }
1726   }
1727
1728   private void updateListeners() {
1729     removeListeners();
1730     addListeners();
1731   }
1732
1733   public JBTabs addListener(@NotNull TabsListener listener) {
1734     myTabListeners.add(listener);
1735     return this;
1736   }
1737
1738   public JBTabs removeListener(@NotNull final TabsListener listener) {
1739     myTabListeners.remove(listener);
1740     return this;
1741   }
1742
1743   protected void onPopup(final TabInfo popupInfo) {
1744   }
1745
1746   public void setFocused(final boolean focused) {
1747     myFocused = focused;
1748     repaint();
1749   }
1750
1751   public int getIndexOf(@Nullable final TabInfo tabInfo) {
1752     return myVisibleInfos.indexOf(tabInfo);
1753   }
1754
1755   public boolean isHideTabs() {
1756     return myHideTabs;
1757   }
1758
1759   public void setHideTabs(final boolean hideTabs) {
1760     if (isHideTabs() == hideTabs) return;
1761
1762     myHideTabs = hideTabs;
1763
1764     relayout(true, false);
1765   }
1766
1767   public JBTabsPresentation setPaintBorder(int top, int left, int right, int bottom) {
1768     if (myBorderSize.top == top && myBorderSize.left == left && myBorderSize.right == right && myBorderSize.bottom == bottom) return this;
1769
1770     myBorderSize = new Insets(getBorder(top), getBorder(left), getBorder(bottom), getBorder(right));
1771
1772     revalidateAndRepaint(false);
1773
1774     return this;
1775   }
1776
1777   private static int getBorder(int size) {
1778     return size == -1 ? 1 : size;
1779   }
1780
1781   public boolean isPaintFocus() {
1782     return myPaintFocus;
1783   }
1784
1785   @NotNull
1786   public JBTabsPresentation setAdjustBorders(final boolean adjust) {
1787     myAdjustBorders = adjust;
1788     return this;
1789   }
1790
1791   @NotNull
1792   public JBTabsPresentation setActiveTabFillIn(@Nullable final Color color) {
1793     myActiveTabFillIn = color;
1794     revalidateAndRepaint(false);
1795     return this;
1796   }
1797
1798   @Nullable
1799   public Color getActiveTabFillIn() {
1800     return myActiveTabFillIn;
1801   }
1802
1803   public JBTabsPresentation setFocusCycle(final boolean root) {
1804     setFocusCycleRoot(root);
1805     return this;
1806   }
1807
1808
1809   public JBTabsPresentation setPaintFocus(final boolean paintFocus) {
1810     myPaintFocus = paintFocus;
1811     return this;
1812   }
1813
1814   private static abstract class BaseNavigationAction extends AnAction {
1815
1816     private ShadowAction myShadow;
1817
1818     protected BaseNavigationAction(final String copyFromID, JComponent c) {
1819       myShadow = new ShadowAction(this, ActionManager.getInstance().getAction(copyFromID), c);
1820     }
1821
1822     public final void update(final AnActionEvent e) {
1823       JBTabsImpl tabs = e.getData(NAVIGATION_ACTIONS_KEY);
1824       e.getPresentation().setVisible(tabs != null);
1825       if (tabs == null) return;
1826
1827       final int selectedIndex = tabs.myVisibleInfos.indexOf(tabs.getSelectedInfo());
1828       final boolean enabled = tabs.myVisibleInfos.size() > 0 && selectedIndex >= 0;
1829       e.getPresentation().setEnabled(enabled);
1830       if (enabled) {
1831         _update(e, tabs, selectedIndex);
1832       }
1833     }
1834
1835     protected abstract void _update(AnActionEvent e, final JBTabsImpl tabs, int selectedIndex);
1836
1837     public final void actionPerformed(final AnActionEvent e) {
1838       JBTabsImpl tabs = e.getData(NAVIGATION_ACTIONS_KEY);
1839       if (tabs == null) return;
1840
1841       final int index = tabs.myVisibleInfos.indexOf(tabs.getSelectedInfo());
1842       if (index == -1) return;
1843       _actionPerformed(e, tabs, index);
1844     }
1845
1846     protected abstract void _actionPerformed(final AnActionEvent e, final JBTabsImpl tabs, final int selectedIndex);
1847   }
1848
1849   private static class SelectNextAction extends BaseNavigationAction {
1850
1851     public SelectNextAction(JComponent c) {
1852       super(IdeActions.ACTION_NEXT_TAB, c);
1853     }
1854
1855     protected void _update(final AnActionEvent e, final JBTabsImpl tabs, int selectedIndex) {
1856       e.getPresentation().setEnabled(tabs.myVisibleInfos.size() > 0 && selectedIndex < tabs.myVisibleInfos.size() - 1);
1857     }
1858
1859     protected void _actionPerformed(final AnActionEvent e, final JBTabsImpl tabs, final int selectedIndex) {
1860       tabs.select(tabs.myVisibleInfos.get(selectedIndex + 1), true);
1861     }
1862   }
1863
1864   private static class SelectPreviousAction extends BaseNavigationAction {
1865     public SelectPreviousAction(JComponent c) {
1866       super(IdeActions.ACTION_PREVIOUS_TAB, c);
1867     }
1868
1869     protected void _update(final AnActionEvent e, final JBTabsImpl tabs, int selectedIndex) {
1870       e.getPresentation().setEnabled(tabs.myVisibleInfos.size() > 0 && selectedIndex > 0);
1871     }
1872
1873     protected void _actionPerformed(final AnActionEvent e, final JBTabsImpl tabs, final int selectedIndex) {
1874       tabs.select(tabs.myVisibleInfos.get(selectedIndex - 1), true);
1875     }
1876   }
1877
1878   private void disposePopupListener() {
1879     if (myActivePopup != null) {
1880       myActivePopup.removePopupMenuListener(myPopupListener);
1881       myActivePopup = null;
1882     }
1883   }
1884
1885   public JBTabsPresentation setStealthTabMode(final boolean stealthTabMode) {
1886     myStealthTabMode = stealthTabMode;
1887
1888     relayout(true, false);
1889
1890     return this;
1891   }
1892
1893   public boolean isStealthTabMode() {
1894     return myStealthTabMode;
1895   }
1896
1897   public JBTabsPresentation setSideComponentVertical(final boolean vertical) {
1898     myHorizontalSide = !vertical;
1899
1900     for (TabInfo each : myVisibleInfos) {
1901       each.getChangeSupport().firePropertyChange(TabInfo.ACTION_GROUP, "new1", "new2");
1902     }
1903
1904
1905     relayout(true, false);
1906
1907     return this;
1908   }
1909
1910   public JBTabsPresentation setSingleRow(boolean singleRow) {
1911     myLayout = singleRow ? mySingleRowLayout : myTableLayout;
1912
1913     relayout(true, false);
1914
1915     return this;
1916   }
1917
1918   public JBTabsPresentation setGhostsAlwaysVisible(final boolean visible) {
1919     myGhostsAlwaysVisible = visible;
1920
1921     relayout(true, false);
1922
1923     return this;
1924   }
1925
1926   public boolean isGhostsAlwaysVisible() {
1927     return myGhostsAlwaysVisible;
1928   }
1929
1930   public boolean isSingleRow() {
1931     return myLayout == mySingleRowLayout;
1932   }
1933
1934   public boolean isSideComponentVertical() {
1935     return !myHorizontalSide;
1936   }
1937
1938   public JBTabsPresentation setUiDecorator(UiDecorator decorator) {
1939     myUiDecorator = decorator == null ? ourDefaultDecorator : decorator;
1940     applyDecoration();
1941     return this;
1942   }
1943
1944   protected void setUI(final ComponentUI newUI) {
1945     super.setUI(newUI);
1946     applyDecoration();
1947   }
1948
1949   public void updateUI() {
1950     super.updateUI();
1951     SwingUtilities.invokeLater(new Runnable() {
1952       public void run() {
1953         applyDecoration();
1954
1955         revalidateAndRepaint(false);
1956       }
1957     });
1958   }
1959
1960   private void applyDecoration() {
1961     if (myUiDecorator != null) {
1962       UiDecorator.UiDecoration uiDecoration = myUiDecorator.getDecoration();
1963       for (TabLabel each : myInfo2Label.values()) {
1964         each.apply(uiDecoration);
1965       }
1966     }
1967
1968
1969     for (TabInfo each : getTabs()) {
1970       adjust(each);
1971     }
1972
1973     relayout(true, false);
1974   }
1975
1976   private void adjust(final TabInfo each) {
1977     if (myAdjustBorders) {
1978       UIUtil.removeScrollBorder(each.getComponent());
1979     }
1980   }
1981
1982   public void sortTabs(Comparator<TabInfo> comparator) {
1983     Collections.sort(myVisibleInfos, comparator);
1984
1985     relayout(true, false);
1986   }
1987
1988   public boolean isRequestFocusOnLastFocusedComponent() {
1989     return myRequestFocusOnLastFocusedComponent;
1990   }
1991
1992   public JBTabsPresentation setRequestFocusOnLastFocusedComponent(final boolean requestFocusOnLastFocusedComponent) {
1993     myRequestFocusOnLastFocusedComponent = requestFocusOnLastFocusedComponent;
1994     return this;
1995   }
1996
1997
1998   @Nullable
1999   public Object getData(@NonNls final String dataId) {
2000     if (myDataProvider != null) {
2001       final Object value = myDataProvider.getData(dataId);
2002       if (value != null) return value;
2003     }
2004
2005     if (!NAVIGATION_ACTIONS_KEY.getName().equals(dataId)) return null;
2006     return isNavigationVisible() ? this : null;
2007   }
2008
2009
2010   public DataProvider getDataProvider() {
2011     return myDataProvider;
2012   }
2013
2014   public JBTabsImpl setDataProvider(@NotNull final DataProvider dataProvider) {
2015     myDataProvider = dataProvider;
2016     return this;
2017   }
2018
2019
2020   public boolean isSelectionClick(final MouseEvent e, boolean canBeQuick) {
2021     if (e.getClickCount() == 1 || canBeQuick) {
2022       if (!e.isPopupTrigger()) {
2023         return e.getButton() == MouseEvent.BUTTON1 && !e.isControlDown() && !e.isAltDown() && !e.isMetaDown();
2024       }
2025     }
2026
2027     return false;
2028   }
2029
2030
2031   private static class DefautDecorator implements UiDecorator {
2032     @NotNull
2033     public UiDecoration getDecoration() {
2034       return new UiDecoration(null, new Insets(2, 8, 2, 8));
2035     }
2036   }
2037
2038
2039 }