com.gsr.myschool.back.client.web.application.valueList.ValueListPresenter.java Source code

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Here is the source code for com.gsr.myschool.back.client.web.application.valueList.ValueListPresenter.java

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/**
 * Copyright 2012 Nuvola Inc.
 *
 * 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 com.gsr.myschool.back.client.web.application.valueList;

import com.github.gwtbootstrap.client.ui.constants.AlertType;
import com.google.gwt.user.client.Window;
import com.google.inject.Inject;
import com.google.web.bindery.event.shared.EventBus;
import com.google.web.bindery.requestfactory.shared.Receiver;
import com.gsr.myschool.back.client.place.NameTokens;
import com.gsr.myschool.back.client.request.BackRequestFactory;
import com.gsr.myschool.back.client.resource.message.MessageBundle;
import com.gsr.myschool.back.client.web.application.ApplicationPresenter;
import com.gsr.myschool.back.client.web.application.valueList.event.ValueListChangedEvent;
import com.gsr.myschool.back.client.web.application.valueList.event.ValueTypeChangedEvent;
import com.gsr.myschool.back.client.web.application.valueList.popup.AddValueListPresenter;
import com.gsr.myschool.back.client.web.application.valueList.widget.ValueTypePresenter;
import com.gsr.myschool.common.client.proxy.ValueListProxy;
import com.gsr.myschool.common.client.proxy.ValueTypeProxy;
import com.gsr.myschool.common.client.request.ReceiverImpl;
import com.gsr.myschool.common.client.security.HasRoleGatekeeper;
import com.gsr.myschool.common.client.widget.messages.CloseDelay;
import com.gsr.myschool.common.client.widget.messages.Message;
import com.gsr.myschool.common.client.widget.messages.event.MessageEvent;
import com.gsr.myschool.common.shared.constants.GlobalParameters;
import com.gwtplatform.mvp.client.HasUiHandlers;
import com.gwtplatform.mvp.client.Presenter;
import com.gwtplatform.mvp.client.View;
import com.gwtplatform.mvp.client.annotations.GatekeeperParams;
import com.gwtplatform.mvp.client.annotations.NameToken;
import com.gwtplatform.mvp.client.annotations.ProxyStandard;
import com.gwtplatform.mvp.client.annotations.UseGatekeeper;
import com.gwtplatform.mvp.client.proxy.ProxyPlace;

import java.util.ArrayList;
import java.util.List;

public class ValueListPresenter extends Presenter<ValueListPresenter.MyView, ValueListPresenter.MyProxy>
        implements ValueListUiHandlers, ValueTypeChangedEvent.ValueTypeChangedHandler,
        ValueListChangedEvent.ValueListChangedHandler {
    public interface MyView extends View, HasUiHandlers<ValueListUiHandlers> {
        void setData(List<ValueListProxy> response);

        void setAddButtonVisible(Boolean bool);
    }

    @ProxyStandard
    @NameToken(value = NameTokens.valueList)
    @UseGatekeeper(HasRoleGatekeeper.class)
    @GatekeeperParams({ GlobalParameters.ROLE_ADMIN })
    public interface MyProxy extends ProxyPlace<ValueListPresenter> {
    }

    public static final Object TYPE_SetValueTypeContent = new Object();

    private final AddValueListPresenter addValueListPresenter;
    private final ValueTypePresenter valueTypePresenter;
    private final BackRequestFactory requestFactory;
    private final MessageBundle messageBundle;

    private ValueTypeProxy currentValueType;

    @Inject
    public ValueListPresenter(final EventBus eventBus, final MyView view, final MyProxy proxy,
            final MessageBundle messageBundle, final AddValueListPresenter addValueListPresenter,
            final ValueTypePresenter valueTypePresenter, final BackRequestFactory requestFactory) {
        super(eventBus, view, proxy, ApplicationPresenter.TYPE_SetMainContent);

        this.addValueListPresenter = addValueListPresenter;
        this.valueTypePresenter = valueTypePresenter;
        this.requestFactory = requestFactory;
        this.messageBundle = messageBundle;

        getView().setUiHandlers(this);
    }

    @Override
    public void addValueList() {
        addValueListPresenter.initDatas(currentValueType);
        addToPopupSlot(addValueListPresenter);
    }

    @Override
    public void delete(ValueListProxy valueListProxy) {
        if (Window.confirm(messageBundle.deleteConfirmation())) {
            requestFactory.valueListServiceRequest().deleteValueList(valueListProxy.getId())
                    .fire(new ReceiverImpl<Void>() {
                        @Override
                        public void onSuccess(Void response) {
                            Message message = new Message.Builder(messageBundle.deleteValueListSuccess())
                                    .style(AlertType.SUCCESS).closeDelay(CloseDelay.DEFAULT).build();
                            MessageEvent.fire(this, message);
                            fillTable();
                        }
                    });
        }
    }

    @Override
    public void modify(ValueListProxy valueList) {
        addValueListPresenter.editDatas(valueList);
        addToPopupSlot(addValueListPresenter);
    }

    @Override
    public void onValueTypeChanged(ValueTypeChangedEvent event) {
        currentValueType = event.getValueType();
        if (currentValueType != null) {
            getView().setAddButtonVisible(true);
            fillTable();
        } else {
            getView().setAddButtonVisible(false);
            getView().setData(new ArrayList<ValueListProxy>());
        }
    }

    @Override
    public void onValueListChanged(ValueListChangedEvent event) {
        currentValueType = event.getValueList().getValueType();

        fillTable();
    }

    @Override
    protected void onBind() {
        super.onBind();

        addRegisteredHandler(ValueTypeChangedEvent.TYPE, this);
        addRegisteredHandler(ValueListChangedEvent.TYPE, this);
    }

    @Override
    protected void onReveal() {
        super.onReveal();

        setInSlot(TYPE_SetValueTypeContent, valueTypePresenter);
        fillTable();
    }

    private void fillTable() {
        if (currentValueType != null)
            requestFactory.valueListServiceRequest().findByValueTypeCode(currentValueType.getCode())
                    .fire(new Receiver<List<ValueListProxy>>() {
                        @Override
                        public void onSuccess(List<ValueListProxy> response) {
                            getView().setData(response);
                        }
                    });
    }
}