public MultiSplitDockableContainer(MyDoggyToolWindowManager toolWindowManager, int orientation) {
this.orientation = orientation;
this.toolWindowManager = toolWindowManager;
this.entries = new LinkedHashMap<Dockable, DockableEntry>();
this.multiSplitPane = new MultiSplitPanel();
this.multiSplitPane.setDividerSize(5);
this.multiSplitPane.setFocusable(false);
this.storeLayout = true;
this.lastLayout = null;
this.removedDockable = null;