Example usage for com.google.gwt.user.client.ui WidgetCollection add

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui WidgetCollection add.

Prototype

public void add(Widget w) 

Source Link

Document

Adds a widget to the end of this collection.

Usage

From source file:geogebra.web.gui.app.docklayout.MyDockLayoutPanel.java

License:Apache License

/**
 * Adds a widget to the specified edge of the dock. If the widget is already
 * a child of this panel, this method behaves as though
 * {@link #remove(Widget)} had already been called.
 * /*w  w w .j  a  v  a 2s. c  om*/
 * @param widget
 *            the widget to be added
 * @param direction
 *            the widget's direction in the dock
 * @param before
 *            the widget before which to insert the new child, or
 *            <code>null</code> to append
 */
protected void insert(Widget widget, Direction direction, double size, Widget before) {
    assertIsChild(before);

    // Validation.
    if (before == null) {
        assert center == null : "No widget may be added after the CENTER widget";
    } else {
        assert direction != Direction.CENTER : "A CENTER widget must always be added last";
    }

    // Detach new child.
    widget.removeFromParent();

    // Logical attach.
    WidgetCollection children = getChildren();
    if (before == null) {
        children.add(widget);
    } else {
        int index = children.indexOf(before);
        children.insert(widget, index);
    }

    if (direction == Direction.CENTER) {
        center = widget;
    }

    // Physical attach.
    Layer layer = layout.attachChild(widget.getElement(), (before != null) ? before.getElement() : null,
            widget);
    LayoutData data = new LayoutData(direction, size, layer);
    widget.setLayoutData(data);

    // Adopt.
    adopt(widget);

    // Update the layout.
    animate(0);
}

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From source file:org.kaaproject.kaa.server.admin.client.layout.CustomDeckLayoutPanel.java

License:Apache License

/**
 * Insert a widget before the specified widget. If the widget is already a
 * child of this panel, this method behaves as though {@link #remove(Widget)}
 * had already been called./*from   w w  w.j  a v a 2s .c  o m*/
 *
 * @param widget the widget to be added
 * @param before the widget before which to insert the new child, or
 *          <code>null</code> to append
 */
public void insert(Widget widget, Widget before) {
    assertIsChild(before);

    // Detach new child.
    widget.removeFromParent();

    // Logical attach.
    WidgetCollection children = getChildren();
    if (before == null) {
        children.add(widget);
    } else {
        int index = children.indexOf(before);
        children.insert(widget, index);
    }

    // Physical attach.
    Layer layer = layout.attachChild(widget.getElement(), (before != null) ? before.getElement() : null,
            widget);
    setWidgetVisible(widget, layer, false);
    widget.setLayoutData(layer);

    // Adopt.
    adopt(widget);

    // Update the layout.
    animate(0);
}

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