org.broadleafcommerce.cms.admin.client.presenter.RuleBasedPresenterInitializer Maven / Gradle / Ivy

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/*
 * Copyright 2008-2012 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.broadleafcommerce.cms.admin.client.presenter;

import com.smartgwt.client.data.AdvancedCriteria;
import com.smartgwt.client.data.Criteria;
import com.smartgwt.client.data.DSCallback;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DSResponse;
import com.smartgwt.client.data.Record;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.FilterBuilder;
import org.broadleafcommerce.cms.admin.client.presenter.structure.FilterType;
import org.broadleafcommerce.cms.admin.client.view.structure.RulesDisplayIf;
import org.broadleafcommerce.openadmin.client.BLCMain;
import org.broadleafcommerce.openadmin.client.datasource.dynamic.DynamicEntityDataSource;
import org.broadleafcommerce.openadmin.client.presenter.entity.DynamicEntityPresenter;
import org.broadleafcommerce.openadmin.client.translation.IncompatibleMVELTranslationException;
import org.broadleafcommerce.openadmin.client.translation.MVELToAdvancedCriteriaTranslator;
import org.broadleafcommerce.openadmin.client.view.dynamic.ItemBuilderDisplay;

import java.util.HashMap;
import java.util.Map;

public abstract class RuleBasedPresenterInitializer {

	public static Map ATTRIBUTEMAP = new HashMap();

    static {
		ATTRIBUTEMAP.put(FilterType.PRODUCT, "productRule");
		ATTRIBUTEMAP.put(FilterType.REQUEST, "requestRule");
		ATTRIBUTEMAP.put(FilterType.CUSTOMER, "customerRule");
        ATTRIBUTEMAP.put(FilterType.TIME, "timeRule");
	
    }
	
	private static final MVELToAdvancedCriteriaTranslator TRANSLATOR = new MVELToAdvancedCriteriaTranslator();
	protected U presenter;
	protected DynamicEntityDataSource offerItemCriteriaDataSource;
	protected DynamicEntityDataSource orderItemDataSource;

	public RuleBasedPresenterInitializer() {
		super();
	}

	protected V getDisplay() {
		return (V) presenter.getDisplay();
	}

	public void initFilterBuilder(FilterBuilder filterBuilder, String rule) {
		filterBuilder.clearCriteria();
		if (rule != null) {
			try {
				AdvancedCriteria myCriteria = TRANSLATOR.createAdvancedCriteria(rule, filterBuilder.getDataSource());
				if (myCriteria != null) {
					filterBuilder.setCriteria(myCriteria);
				}
			} catch (IncompatibleMVELTranslationException e) {
				throw new RuntimeException(BLCMain.getMessageManager().getString("mvelTranslationProblem"), e);
			}
		}
	}

	public void initItemQualifiers(final Record selectedRecord, final boolean disabled) {
		Criteria relationshipCriteria = offerItemCriteriaDataSource.createRelationshipCriteria(offerItemCriteriaDataSource.getPrimaryKeyValue(selectedRecord));
		offerItemCriteriaDataSource.fetchData(relationshipCriteria, new DSCallback() {
			public void execute(DSResponse response, Object rawData, DSRequest request) {
	        getDisplay().removeAllItemBuilders();
	        for (Record record : response.getData()) {
	            if (Integer.parseInt(record.getAttribute("quantity")) > 0) {
	                final ItemBuilderDisplay display = getDisplay().addItemBuilder(orderItemDataSource);
	                display.setDirty(false);
	                if (disabled) {
	                    display.disable();
	                }
	                bindItemBuilderEvents(display);
	                
	                display.getItemFilterBuilder().clearCriteria();
	                display.setRecord(record);
	                display.getItemQuantity().setValue(Integer.parseInt(record.getAttribute("quantity")));
	                try {
	                    display.getItemFilterBuilder().setVisible(true);
	                    display.getRawItemForm().setVisible(false);
	                    AdvancedCriteria myCriteria = TRANSLATOR.createAdvancedCriteria(record.getAttribute("orderItemMatchRule"), orderItemDataSource);
	                    if (myCriteria != null) {
	                        display.getItemFilterBuilder().setCriteria(myCriteria);
	                    }
	                } catch (IncompatibleMVELTranslationException e) {
	                    throw new RuntimeException(BLCMain.getMessageManager().getString("mvelTranslationProblem"), e);
	                }
	                display.getRemoveButton().addClickHandler(new ClickHandler() {
	                    public void onClick(ClickEvent event) {
	                        getDisplay().removeItemBuilder(display);
	                    }
	                });
	            }
	        }
			}

			
		});
	}

	protected abstract void bindItemBuilderEvents(ItemBuilderDisplay display);
	
}