AIModelMasterComponent.java

/**
 * Copyright 2011 the original author or authors.
 *
 * 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.
 */
package org.bricket.web.master;

import org.apache.wicket.model.IModel;
import org.bricket.plugin.genericdomain.domain.DomainObject;
import org.bricket.web.BricketPanel;
import org.bricket.web.event.BricketEventListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import brix.jcr.wrapper.BrixNode;
import brix.web.nodepage.BrixPageParameters;
import brix.web.nodepage.PageParametersAware;

/**
 * PageParameter werden per Listener nach onBeforeRender gesetzt, also nach
 * onConfigure. Keep the wicket/brix/event lifecyle in mind:
 * initializeFromPageParameters is called before onBeforeRender components are
 * created in order by witch they are placed in the page hierarchy. Event fire()
 * effects all matching components directly.
 * 
 * => Place the master before slaves in page hierarchy if you need access to the
 * modelobject in onBeforeRender of the slave.
 * 
 * @author Ingo Renner
 * 
 */
public abstract class AIModelMasterComponent<T extends DomainObject> extends BricketPanel implements
        PageParametersAware, BricketEventListener {
    private final Logger log = LoggerFactory.getLogger(AIModelMasterComponent.class);

    private IModelMaster<T> modelMaster;

    public AIModelMasterComponent(String id) {
        super(id);
        log.debug("AIModelMasterComponent(id)");
    }

    public AIModelMasterComponent(String id, IModel<BrixNode> tileNode) {
        super(id, tileNode);
        log.debug("AIModelMasterComponent(id, ...)");
    }

    @Override
    protected void onDetach() {
        if (modelMaster != null && modelMaster.getIModel() != null) {
            modelMaster.getIModel().detach();
        }
        super.onDetach();
    }

    @Override
    protected void onConfigure() {
        log.debug("onConfigure()");
        super.onConfigure();
    }

    @Override
    protected void onBeforeRender() {
        log.debug("onBeforeRender() start");
        super.onBeforeRender();
        log.debug("onBeforeRender() end");
    }

    @Override
    protected void onAfterRender() {
        log.debug("onAfterRender() start");
        super.onAfterRender();
        log.debug("onAfterRender() end");
    }

    @Override
    protected void onInitialize() {
        log.debug("onInitialize()");
        super.onInitialize();
    }

    public IModelMaster<T> getModelMaster() {
        return modelMaster;
    }

    public void setModelMaster(IModelMaster<T> doh) {
        this.modelMaster = doh;
    }

    @Override
    public final void initializeFromPageParameters(BrixPageParameters params) {
        log.debug("initializeFromPageParameters start");
        onInitializeFromPageParameters(params);
        if (modelMaster != null) {
            log.debug("initializeFromPageParameters fire ModelCreatedEvent");
            new IModelMasterCreatedEvent(this).fire();
        }
        log.debug("initializeFromPageParameters end");
    }

    /** Called by initializeFromPageParameters(BrixPageParameters params) */
    public abstract void onInitializeFromPageParameters(BrixPageParameters params);
}