com.extjs.gxt.ui.client.aria.ContentPanelNavigationHandler.java Source code

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Here is the source code for com.extjs.gxt.ui.client.aria.ContentPanelNavigationHandler.java

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/*
 * Sencha GXT 2.3.1 - Sencha for GWT
 * Copyright(c) 2007-2013, Sencha, Inc.
 * licensing@sencha.com
 * 
 * http://www.sencha.com/products/gxt/license/
 */
package com.extjs.gxt.ui.client.aria;

import java.util.ArrayList;
import java.util.List;

import com.extjs.gxt.ui.client.widget.CollapsePanel;
import com.extjs.gxt.ui.client.widget.Component;
import com.extjs.gxt.ui.client.widget.ContentPanel;
import com.extjs.gxt.ui.client.widget.Header;
import com.extjs.gxt.ui.client.widget.HorizontalPanel;
import com.google.gwt.user.client.ui.Widget;

public class ContentPanelNavigationHandler implements NavigationHandler {

    public List<Widget> getOrderedWidgets(Widget widget) {
        ContentPanel panel = null;
        if (widget instanceof HorizontalPanel) {
            panel = (ContentPanel) widget.getParent().getParent();
        } else if (widget.getParent() instanceof ContentPanel) {
            panel = (ContentPanel) widget.getParent();
        } else {
            panel = (ContentPanel) widget;
        }

        List<Widget> widgets = new ArrayList<Widget>();

        Header header = panel.getHeader();
        for (int i = 0, len = header.getTools().size(); i < len; i++) {
            widgets.add(header.getTool(i));
        }

        if (panel.getTopComponent() != null) {
            widgets.add(panel.getTopComponent());
        }

        for (int i = 0, len = panel.getItemCount(); i < len; i++) {
            widgets.add(panel.getItem(i));
        }

        if (panel.getBottomComponent() != null) {
            widgets.add(panel.getBottomComponent());
        }

        if (panel.getButtonBar() != null && panel.getButtonBar().getItemCount() > 0) {
            widgets.add(panel.getButtonBar());
        }

        if (panel instanceof CollapsePanel) {
            widgets.add(((CollapsePanel) panel).getCollapseButton());
        }
        return widgets;
    }

    public boolean canHandleTabKey(Component comp) {
        if (comp instanceof HorizontalPanel) {
            return comp.getParent() instanceof Header;
        }
        return comp instanceof ContentPanel;
    }

}