au.org.theark.core.web.component.AbstractContainerPanel.java Source code

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Here is the source code for au.org.theark.core.web.component.AbstractContainerPanel.java

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/*******************************************************************************
 * Copyright (c) 2011  University of Western Australia. All rights reserved.
 * 
 * This file is part of The Ark.
 * 
 * The Ark 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 3
 * of the License, or (at your option) any later version.
 * 
 * The Ark 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, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package au.org.theark.core.web.component;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.ThreadContext;
import org.apache.wicket.Component;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.form.upload.FileUploadField;
import org.apache.wicket.markup.html.list.PageableListView;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.CompoundPropertyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.apache.wicket.util.iterator.ComponentHierarchyIterator;

import au.org.theark.core.Constants;
import au.org.theark.core.model.config.entity.Setting;
import au.org.theark.core.security.AAFRealm;
import au.org.theark.core.security.ArkLdapRealm;
import au.org.theark.core.security.PermissionConstants;
import au.org.theark.core.service.IArkCommonService;
import au.org.theark.core.vo.ArkCrudContainerVO;

/**
 * <p>
 * Abstract class for the Container panels that contains Search,SearchResult and Detail panels. Defines the WebMarkupContainers and initialises
 * them.It also defines the Model CompoundPropertyModel and provides methods that the sub-classes must implement such as
 * initialiseSearchResults,initialiseDetailPanel and initialiseSearchPanel()
 * </p>
 * 
 * @author nivedann
 * 
 */
@SuppressWarnings("serial")
public abstract class AbstractContainerPanel<T> extends Panel {

    @SpringBean(name = "arkLdapRealm")
    protected ArkLdapRealm arkLdapRealm;

    @SpringBean(name = "aafRealm")
    protected AAFRealm aafRealm;

    @SpringBean(name = au.org.theark.core.Constants.ARK_COMMON_SERVICE)
    protected IArkCommonService<Void> iArkCommonService;

    protected FeedbackPanel feedBackPanel;
    protected ArkCrudContainerVO arkCrudContainerVO;
    protected IModel<Object> iModel;
    protected CompoundPropertyModel<T> cpModel;
    protected PageableListView<T> myListView;

    /**
     * 
     * @param id
     */
    public AbstractContainerPanel(String id) {
        super(id);
        Subject currentUser = SecurityUtils.getSubject();
        arkLdapRealm.clearCachedAuthorizationInfo(currentUser.getPrincipals());
        aafRealm.clearCachedAuthorizationInfo(currentUser.getPrincipals());
        initCrudContainerVO();
    }

    public void initCrudContainerVO() {
        arkCrudContainerVO = new ArkCrudContainerVO();

    }

    protected WebMarkupContainer initialiseFeedBackPanel() {
        /* Feedback Panel */
        feedBackPanel = new FeedbackPanel("feedbackMessage");
        feedBackPanel.setOutputMarkupId(true);
        return feedBackPanel;
    }

    protected abstract WebMarkupContainer initialiseSearchResults();

    protected abstract WebMarkupContainer initialiseDetailPanel();

    // protected abstract WebMarkupContainer initialiseWizardPanel();

    protected abstract WebMarkupContainer initialiseSearchPanel();

    protected boolean isActionPermitted() {
        boolean flag = false;
        SecurityManager securityManager = ThreadContext.getSecurityManager();
        Subject currentUser = SecurityUtils.getSubject();
        if (securityManager.isPermitted(currentUser.getPrincipals(), PermissionConstants.READ)) {
            flag = true;
        } else {
            flag = false;
        }
        return flag;
    }

    @Override
    protected void onBeforeRender() {
        // TODO Auto-generated method stub
        super.onBeforeRender();
        this.disableUploadersInDemoMode();

    }

    protected void disableUploadersInDemoMode() {
        SecurityManager securityManager = ThreadContext.getSecurityManager();
        Subject currentUser = SecurityUtils.getSubject();
        if (!securityManager.hasRole(currentUser.getPrincipals(),
                au.org.theark.core.security.RoleConstants.ARK_ROLE_SUPER_ADMINISTATOR)
                && Constants.YES.equalsIgnoreCase(iArkCommonService.getDemoMode().getPropertyValue())) {

            ComponentHierarchyIterator iterrator = this.visitChildren();

            while (iterrator.hasNext()) {
                Component component = iterrator.next();
                if (FileUploadField.class.isAssignableFrom(component.getClass())) {
                    component.setEnabled(false);
                }
            }
        }
    }

}