Cleans up the given JavaFX tab pane. - Java JavaFX

Java examples for JavaFX:TabPane

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Description

Cleans up the given JavaFX tab pane.

Demo Code


import javafx.application.Platform;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.control.SplitPane;
import javafx.scene.control.TabPane;

public class Main{
    /**//from ww  w.  ja  va  2s.com
         * Cleans up the given tab pane.
         *
         * @param tabPane tab pane
         */
        public static void cleanup(TabPane tabPane) {
   Platform.runLater(() -> {
      if (tabPane.getTabs().isEmpty()) {
         // remove from parent
         if (tabPane.getParent() != null && tabPane.getParent() instanceof DraggableTabLayoutExtender) {
            DraggableTabLayoutExtender extender = (DraggableTabLayoutExtender) tabPane.getParent();
            extender.setCenter(null);
            cleanup(extender);
         }
      }
   });
}
    /**
         * Cleans up the given extender.
         *
         * @param extender extender
         */
        public static void cleanup(DraggableTabLayoutExtender extender) {
   Platform.runLater(() -> {
      if (extender.getCenter() == null && extender.getParent() != null) {
         if (extender.getParent().getParent() == null) {
            cleanup(extender);
         } else {
            if (extender.getParent() != null && extender.getParent().getParent() != null && extender.getParent().getParent() instanceof SplitPane) {
               SplitPane splitPane = (SplitPane) extender.getParent().getParent();

               splitPane.getItems().remove(extender);
               rearrangeDividers(splitPane);

               cleanup(splitPane);
            }
         }
      }
   });
}
    /**
         * Cleans up the given split pane.
         *
         * @param splitPane split pane
         */
        public static void cleanup(SplitPane splitPane) {
   Platform.runLater(() -> {
      Parent parent = splitPane.getParent();
      if (splitPane.getItems().isEmpty()) {
         if (parent != null && parent instanceof DraggableTabLayoutExtender) {
            DraggableTabLayoutExtender extender = (DraggableTabLayoutExtender) parent;
            extender.setCenter(null);
            cleanup(extender);
         }
      }
      else if (splitPane.getItems().size() == 1) {
         Node node = splitPane.getItems().get(0);
         if (parent != null && parent.getParent() != null && parent.getParent().getParent() != null) {
            if (parent.getParent().getParent() instanceof SplitPane) {
               SplitPane parentSplitPane = (SplitPane) parent.getParent().getParent();
               splitPane.getItems().remove(node);
               int i = parentSplitPane.getItems().indexOf(parent);
               parentSplitPane.getItems().add(i, node);
               cleanup(splitPane);
            }
         }
      }
   });
}
    /**
         * Rearranges the delimiters of given split pane.
         *
         * @param splitPane split pane
         */
        public static void rearrangeDividers(SplitPane splitPane) {
            if (!splitPane.getItems().isEmpty()) {
                double[] dividerPositions = splitPane.getDividerPositions();
                for (int i = 0; i < dividerPositions.length; i++) {
                    dividerPositions[i] = ((double) i + 1)
                            / (dividerPositions.length + 1);
                }
                splitPane.setDividerPositions(dividerPositions);
            }
        }
}

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