com.servoy.extensions.plugins.window.menu.wicket.MenuExecutorBehavior.java Source code

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Here is the source code for com.servoy.extensions.plugins.window.menu.wicket.MenuExecutorBehavior.java

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/*
 This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 Servoy BV
    
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU Affero General Public License as published by the Free
 Software Foundation; either version 3 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 Affero General Public License for more details.
    
 You should have received a copy of the GNU Affero General Public License along
 with this program; if not, see http://www.gnu.org/licenses or write to the Free
 Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
 */
package com.servoy.extensions.plugins.window.menu.wicket;

import java.awt.event.ActionListener;
import java.util.Map;

import org.apache.wicket.Application;
import org.apache.wicket.RequestCycle;
import org.apache.wicket.ResourceReference;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.IHeaderResponse;
import org.apache.wicket.markup.html.resources.CompressedResourceReference;
import org.apache.wicket.protocol.http.WebRequest;

import com.servoy.extensions.plugins.window.menu.IMenuItem;
import com.servoy.extensions.plugins.window.popup.wicket.PopupPanel;
import com.servoy.j2db.server.headlessclient.IWebClientPluginAccess;
import com.servoy.j2db.server.headlessclient.dataui.AbstractServoyDefaultAjaxBehavior;
import com.servoy.j2db.server.headlessclient.yui.YUILoader;
import com.servoy.j2db.util.Utils;

/**
 * @author jblok
 */
public final class MenuExecutorBehavior extends AbstractServoyDefaultAjaxBehavior {
    private static final long serialVersionUID = 1L;
    private Map<Integer, IMenuItem> callableMenuItems;
    private final IWebClientPluginAccess access;

    private static final ResourceReference servoy_menu_css = new CompressedResourceReference(
            MenuExecutorBehavior.class, "res/servoy-menu.css"); //$NON-NLS-1$
    private static final ResourceReference map_gif = new ResourceReference(MenuExecutorBehavior.class,
            "res/map.gif"); //$NON-NLS-1$

    /**
     * @param webDataHtmlView
     */
    MenuExecutorBehavior(IWebClientPluginAccess access) {
        this.access = access;
        map_gif.bind(Application.get());
    }

    @Override
    public void renderHead(IHeaderResponse response) {
        super.renderHead(response);
        response.renderCSSReference(YUILoader.CSS_FONTS);
        response.renderCSSReference(YUILoader.CSS_MENU);
        response.renderCSSReference(servoy_menu_css);

        if (((WebRequest) RequestCycle.get().getRequest()).isAjax()) {
            response.renderJavascript(
                    "if (typeof(YAHOO_config) == \"undefined\") {YAHOO_config = {};}YAHOO_config.injecting = true;", //$NON-NLS-1$
                    "yahoo_config"); //$NON-NLS-1$
        }

        response.renderJavascriptReference(YUILoader.JS_YAHOO_DOM_EVENT);
        response.renderJavascriptReference(YUILoader.JS_CONTAINER_CORE);
        response.renderJavascriptReference(YUILoader.JS_MENU);
        response.renderJavascript(
                "function svy_popmenu_click(psType,psArgs,psValue){wicketAjaxGet(psValue)};var oMenu = new YAHOO.widget.Menu('basicmenu',{zIndex : " //$NON-NLS-1$
                        + (PopupPanel.ZINDEX + 1) + "});", //$NON-NLS-1$
                "yahoomenu"); //$NON-NLS-1$
    }

    @Override
    protected void respond(AjaxRequestTarget target) {
        if (callableMenuItems != null) {
            int mhash = Utils.getAsInteger(RequestCycle.get().getRequest().getParameter("m")); //$NON-NLS-1$
            IMenuItem mi = callableMenuItems.get(new Integer(mhash));
            // free callableMenuItems memory, are to be used only in 1 respond.
            callableMenuItems = null;
            if (mi != null) {
                ActionListener[] als = mi.getActionListeners();
                if (als != null) {
                    for (ActionListener element : als) {
                        element.actionPerformed(null);
                    }
                    access.generateAjaxResponse(target);
                }
            }
        }
    }

    public CharSequence getUrlForMenuItem(int hashcode) {
        CharSequence url = getCallbackUrl();
        StringBuilder asb = new StringBuilder(url.length() + 30);
        //      asb.append("wicketAjaxGet(\"");
        asb.append(url);
        asb.append("&m="); //$NON-NLS-1$
        asb.append(hashcode);
        //      asb.append("\")");
        return asb;
    }

    void setCallableMenuItems(Map<Integer, IMenuItem> callableMenuItems) {
        this.callableMenuItems = callableMenuItems;
    }
}