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package com.ksyzt.gwt.client.mainframe;

import java.util.Properties;

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

// TODO: Auto-generated Javadoc

/**
 * The Class ModuleData.
 */
public class ModuleData {

    /**
     * The g index.
     */
    static int g_index = 0;

    /**
     * The m mf.
     */
    IModuleFactory m_mf;

    /**
     * The module.
     */
    IAppModule module;

    /**
     * The this index.
     */
    Integer thisIndex;

    /**
     * The app.
     */
    AppData app;

    /**
     * The m props.
     */
    ModuleProperties m_props;

    /**
     * Instantiates a new module data.
     */
    @SuppressWarnings("unused")
    private ModuleData() {
    }

    /**
     * Gets the widget.
     *
     * @return the widget
     */
    public Widget getWidget() {
        if (module == null) {
            return null;
        } else {
            return module.getRootWidget();
        }
    }

    /**
     * Gets the index.
     *
     * @return the index
     */
    public Integer getIndex() {
        return this.thisIndex;
    }

    /**
     * Gets the caption.
     *
     * @return the caption
     */
    public String getCaption() {
        return m_mf.getModuleCaption();
    }

    /**
     * Creates the widget.
     *
     * @return the widget
     */
    public Widget createWidget() {
        if (module == null) {
            module = m_mf.createModule();
            module.onInitialize(app, m_props);
        }
        return module.getRootWidget();
    }

    /**
     * Instantiates a new module data.
     *
     * @param application the application
     * @param mf          the mf
     * @param props       the props
     */
    public ModuleData(AppData application, IModuleFactory mf,
                      ModuleProperties props) {
        m_mf = mf;
        app = application;
        module = null;
        thisIndex = g_index++;
        m_props = props;
    }
}