/*
* Ext GWT 2.2.4 - Ext for GWT
* Copyright(c) 2007-2010, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
package com.extjs.gxt.ui.client.aria;
import com.extjs.gxt.ui.client.event.PreviewEvent;
import com.extjs.gxt.ui.client.widget.Component;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.layout.ToolBarLayout;
import com.extjs.gxt.ui.client.widget.toolbar.PagingToolBar;
import com.extjs.gxt.ui.client.widget.toolbar.ToolBar;
import com.google.gwt.user.client.ui.Widget;
public class ToolBarHandler extends FocusHandler {
@Override
public boolean canHandleKeyPress(Component component, PreviewEvent pe) {
if (component.getParent() instanceof ToolBar) {
return true;
}
return false;
}
@Override
public void onTab(Component component, PreviewEvent pe) {
if (!isManaged()) return;
boolean paging = component.getParent() instanceof PagingToolBar;
if (paging) {
PagingToolBar bar = (PagingToolBar) component.getParent();
int idx = bar.indexOf(component);
int fa = firstActive(bar);
int la = lastActive(bar);
if ((pe.isShiftKey() && idx > fa) || (!pe.isShiftKey() && idx < (la - 1))) {
super.onTab(component, pe);
return;
}
}
Widget parent = component.getParent();
if (pe.isShiftKey()) {
if (focusPreviousWidget(parent)) {
pe.stopEvent();
}
} else {
if (focusNextWidget(parent)) {
pe.stopEvent();
}
}
}
@Override
public void onRight(Component component, PreviewEvent pe) {
if (component.getParent() instanceof PagingToolBar) {
return;
}
Component c = (Component) findNextWidget(component);
if (c != null && c.getData("gxt-overflow") != null) {
pe.stopEvent();
ToolBar bar = (ToolBar) component.getParent();
ToolBarLayout layout = bar.getLayout();
Button more = layout.getMoreButton();
more.focus();
return;
}
if (!focusNextWidget(component)) {
component.focus();
}
}
@Override
public void onLeft(Component component, PreviewEvent pe) {
if (component.getParent() instanceof PagingToolBar) {
return;
}
ToolBar bar = (ToolBar)component.getParent();
ToolBarLayout layout = bar.getLayout();
Button more = layout.getMoreButton();
if (component == more) {
for (int i = bar.getItemCount() - 1; i >= 0; i--) {
Component c = bar.getItem(i);
if (!isIgnore(c) && c.getData("gxt-overflow") == null) {
focusWidget(c, false);
return;
}
}
}
if (!focusPreviousWidget(component)) {
component.focus();
}
}
@Override
public void onEscape(Component component, PreviewEvent pe) {
stepOut(component.getParent());
}
}