org.freemedsoftware.gwt.client.ScreenInterface.java Source code

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Here is the source code for org.freemedsoftware.gwt.client.ScreenInterface.java

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/*
 * $Id$
 *
 * Authors:
 *      Jeff Buchbinder <jeff@freemedsoftware.org>
 *
 * FreeMED Electronic Medical Record and Practice Management System
 * Copyright (C) 1999-2012 FreeMED Software Foundation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package org.freemedsoftware.gwt.client;

import com.google.gwt.user.client.ui.TabPanel;

public abstract class ScreenInterface extends WidgetInterface {

    public ScreenInterface() {
        super();
    }

    public ScreenInterface(String moduleName) {
        super(moduleName);
    }

    /**
     * Call function on getting tab focus.
     */
    public void onFocus() {
    }

    /**
     * Append additional child WidgetInterface to stack.
     * 
     * @param child
     */
    public void addChildWidget(WidgetInterface child) {
        children.add(child);
    }

    /**
     * Take a child WidgetInterface out of the stack.
     * 
     * @param child
     */
    public void removeChildWidget(WidgetInterface child) {
        children.remove(child);
    }

    /**
     * Remove all children WidgetInterface objects.
     */
    public void clearChildWidgets() {
        children.clear();
    }

    /**
     * Remove the current ScreenInterface from the parent TabPanel.
     */
    public void closeScreen() {
        TabPanel t = CurrentState.getTabPanel();
        if (t.getWidgetIndex(this) != -1) {
            t.selectTab(t.getWidgetIndex(this) - 1);
            t.remove(t.getWidgetIndex(this));
        }
        this.removeFromParent();
    }

}