Example usage for javafx.scene.control TreeView layout

Introduction

In this page you can find the example usage for javafx.scene.control TreeView layout.

Prototype

public final void layout() 

Source Link

Document

Executes a top-down layout pass on the scene graph under this parent.

Usage

From source file:org.eclipse.jubula.rc.javafx.tester.adapter.TreeOperationContext.java

@Override
public Rectangle getVisibleRowBounds(final Rectangle rowBounds) {
    Rectangle result = EventThreadQueuerJavaFXImpl.invokeAndWait("getVisibleRowBounds", //$NON-NLS-1$
            new Callable<Rectangle>() {

                @Override// w  w  w. j  a va2  s. co m
                public Rectangle call() throws Exception {
                    TreeView<?> tree = ((TreeView<?>) getTree());
                    // Update the layout coordinates otherwise
                    // we would get old position values
                    tree.layout();
                    Rectangle visibleTreeBounds = new Rectangle(0, 0, Rounding.round(tree.getWidth()),
                            Rounding.round(tree.getHeight()));
                    return rowBounds.intersection(visibleTreeBounds);
                }
            });
    return result;

}

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From source file:org.eclipse.jubula.rc.javafx.tester.adapter.TreeOperationContext.java

@Override
public void expandNode(final Object node) {
    scrollNodeToVisible(node);//from ww  w  .  ja  v  a 2s.  c om
    Object result = EventThreadQueuerJavaFXImpl.invokeAndWait("expandNode", //$NON-NLS-1$
            new Callable<Object>() {

                @Override
                public Object call() throws Exception {
                    List<? extends TreeCell> tCells = ComponentHandler.getAssignableFrom(TreeCell.class);
                    for (TreeCell<?> cell : tCells) {
                        TreeItem<?> item = cell.getTreeItem();
                        if (item != null && item.equals(node) && !item.isExpanded()) {
                            TreeView<?> tree = ((TreeView<?>) getTree());
                            // Update the layout coordinates otherwise
                            // we would get old position values
                            tree.layout();
                            return cell.getDisclosureNode();
                        }
                    }
                    return null;
                }
            });
    if (result != null) {
        getRobot().click(result, null, ClickOptions.create().setClickCount(1).setMouseButton(1));
    }
    EventThreadQueuerJavaFXImpl.invokeAndWait("expandNodeCheckIfExpanded", //$NON-NLS-1$
            new Callable<Void>() {

                @Override
                public Void call() throws Exception {
                    TreeItem<?> item = (TreeItem<?>) node;
                    if (!((TreeView<?>) getTree()).isDisabled() && !item.isExpanded()) {
                        log.warn("Expand node fallback used for: " //$NON-NLS-1$
                                + item.getValue());

                        item.setExpanded(true);
                    }
                    return null;
                }
            });
}

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From source file:org.eclipse.jubula.rc.javafx.tester.adapter.TreeOperationContext.java

@Override
public void collapseNode(final Object node) {
    scrollNodeToVisible(node);/*from www.  j  a  va  2s  .  c o  m*/
    Object result = EventThreadQueuerJavaFXImpl.invokeAndWait("collapseNode", new Callable<Object>() { //$NON-NLS-1$

        @Override
        public Object call() throws Exception {
            List<? extends TreeCell> tCells = ComponentHandler.getAssignableFrom(TreeCell.class);
            for (TreeCell<?> cell : tCells) {
                TreeItem<?> item = cell.getTreeItem();
                if (item != null && item.equals(node) && item.isExpanded()) {
                    TreeView<?> tree = ((TreeView<?>) getTree());
                    // Update the layout coordinates otherwise
                    // we would get old position values
                    tree.layout();
                    return cell.getDisclosureNode();
                }
            }
            return null;
        }
    });
    if (result != null) {
        getRobot().click(result, null, ClickOptions.create().setClickCount(1).setMouseButton(1));
    }
    EventThreadQueuerJavaFXImpl.invokeAndWait("collapseNodeCheckIfCollapsed", new Callable<Void>() { //$NON-NLS-1$

        @Override
        public Void call() throws Exception {
            TreeItem<?> item = (TreeItem<?>) node;
            if (!((TreeView<?>) getTree()).isDisabled() && item.isExpanded()) {
                log.warn("Collapse node fallback used for: " //$NON-NLS-1$
                        + item.getValue());

                item.setExpanded(false);
            }
            return null;
        }
    });
}

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From source file:org.eclipse.jubula.rc.javafx.tester.adapter.TreeOperationContext.java

@Override
public Rectangle getNodeBounds(final Object node) {
    Rectangle result = EventThreadQueuerJavaFXImpl.invokeAndWait("getNodeBounds", new Callable<Rectangle>() { //$NON-NLS-1$
        @Override// ww w  . j  a v a  2s  .c  om
        public Rectangle call() throws Exception {
            List<? extends TreeCell> tCells = ComponentHandler.getAssignableFrom(TreeCell.class);
            for (TreeCell<?> cell : tCells) {
                TreeItem<?> item = cell.getTreeItem();
                TreeView<?> tree = (TreeView<?>) getTree();
                if ((item != null && item.equals(node))) {
                    // Update the layout coordinates otherwise
                    // we would get old position values
                    tree.layout();

                    Point2D posTree = tree.localToScreen(0, 0);
                    Point2D posCell = cell.localToScreen(0, 0);
                    Bounds b = cell.getBoundsInParent();
                    Rectangle cBounds = new Rectangle(
                            Math.abs(Rounding.round((posCell.getX() - posTree.getX()))),
                            Math.abs(Rounding.round((posCell.getY() - posTree.getY()))),
                            Rounding.round(b.getWidth()), Rounding.round(b.getHeight()));
                    return cBounds;
                }
            }
            return null;
        }
    });
    return result;
}

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