org.efaps.ui.wicket.components.menu.AjaxSearchComponent Maven / Gradle / Ivy

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eFaps WebApp provides a web interface as the User Interface for eFaps which can be easily expanded and altered.
There is a newer version: 3.2.0
/*
 * Copyright 2003 - 2011 The eFaps Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Revision:        $Rev:1510 $
 * Last Changed:    $Date:2007-10-18 09:35:40 -0500 (Thu, 18 Oct 2007) $
 * Last Changed By: $Author:jmox $
 */

package org.efaps.ui.wicket.components.menu;

import java.util.Iterator;

import org.apache.wicket.Component;
import org.apache.wicket.RestartResponseException;
import org.apache.wicket.ajax.AjaxEventBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.model.IModel;
import org.efaps.ui.wicket.components.FormContainer;
import org.efaps.ui.wicket.components.heading.HeadingPanel;
import org.efaps.ui.wicket.models.objects.UIForm;
import org.efaps.ui.wicket.models.objects.UIMenuItem;
import org.efaps.ui.wicket.pages.content.form.FormPage;
import org.efaps.ui.wicket.pages.error.ErrorPage;
import org.efaps.util.EFapsException;

/**
 * Class is used to render a link o page containing a search.
 * The link is used to change the type and the form to search
 * for by using ajax.
 *
 * @author The eFaps Team
 * @version $Id:SearchLink.java 1510 2007-10-18 14:35:40Z jmox $
 *
 */
public class AjaxSearchComponent
    extends AbstractMenuItemAjaxComponent
{
    /**
     * Needed for serialization.
     */
    private static final long serialVersionUID = 1L;

    /**
     * Constructor.
     *
     * @param _wicketId wicket id of this component
     * @param _model model for this component
     */
    public AjaxSearchComponent(final String _wicketId,
                               final IModel _model)
    {
        super(_wicketId, _model);
        add(new AjaxReloadSearchFormBehavior());
    }

    /**
     * This Method returns the JavaScript which is executed by the JSCooKMenu.
     *
     * @return String with the JavaScript
     */
    @Override
    public String getJavaScript()
    {
        return ((AjaxReloadSearchFormBehavior) super.getBehaviors().get(0)).getJavaScript();
    }

    /**
     * Class is used to execute the reload of the page for search.
     *
     */
    public class AjaxReloadSearchFormBehavior
        extends AjaxEventBehavior
    {

        /**
         * Needed for serialization.
         */
        private static final long serialVersionUID = 1L;

        /**
         * Constructor.
         */
        public AjaxReloadSearchFormBehavior()
        {
            super("onclick");
        }

        /**
         * This Method returns the JavaScript which is executed by the JSCooKMenu.
         *
         * @return String with the JavaScript
         */
        public String getJavaScript()
        {
            final String script = super.getCallbackScript().toString();
            return "javascript:" + script.replace("'", "\"");
        }

        /**
         * Method is executed by ajax to change the content of a form for search.
         *
         * @param _target AjaxRequestTarget
         */
        @Override
        protected void onEvent(final AjaxRequestTarget _target)
        {
            try {
                FormContainer form = null;
                HeadingPanel heading = null;
                boolean break1 = false;
                boolean break2 = false;

                final Iterator iter = getPage().iterator();
                while (iter.hasNext()) {
                    final Component comp = iter.next();
                    if (comp instanceof FormContainer) {
                        _target.addComponent(comp);
                        form = (FormContainer) comp;
                        break1 = true;
                    }
                    if (comp instanceof HeadingPanel) {
                        _target.addComponent(comp);
                        heading = (HeadingPanel) comp;
                        break2 = true;
                    }
                    if (break1 && break2) {
                        break;
                    }
                }
                heading.removeAll();
                form.removeAll();

                final UIMenuItem menuitem = (UIMenuItem) getComponent().getDefaultModelObject();

                final UIForm uiform = (UIForm) getPage().getDefaultModelObject();
                uiform.resetModel();
                uiform.setCommandUUID(menuitem.getCommandUUID());
                uiform.setFormUUID(uiform.getCommand().getTargetForm().getUUID());
                uiform.execute();
                heading.addComponents(uiform.getTitle());
                FormPage.updateFormContainer(getPage(), form, uiform);
            } catch (final EFapsException e) {
                throw new RestartResponseException(new ErrorPage(e));
            }
        }

        /**
         * Method must be overwritten, otherwise the default would break the execution of the JavaScript.
         *
         * @return null
         */
        @Override
        protected CharSequence getPreconditionScript()
        {
            return null;
        }
    }
}