package org.drools.eclipse.flow.ruleflow.core;

/*

 * Copyright 2005 JBoss 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.

 */



import java.util.HashSet;

import java.util.Set;



import org.drools.eclipse.flow.common.editor.editpart.work.HumanTaskCustomEditor;

import org.drools.process.core.ParameterDefinition;

import org.drools.process.core.WorkDefinition;

import org.drools.process.core.datatype.impl.type.StringDataType;

import org.drools.process.core.impl.ParameterDefinitionImpl;

import org.drools.process.core.impl.WorkDefinitionExtensionImpl;

import org.drools.process.core.impl.WorkDefinitionImpl;

import org.drools.workflow.core.node.HumanTaskNode;

import org.eclipse.ui.views.properties.IPropertyDescriptor;

import org.eclipse.ui.views.properties.TextPropertyDescriptor;



/**

 * Wrapper for a human task node.

 * 

 * @author <a href="mailto:kris_verlaenen@hotmail.com">Kris Verlaenen</a>

 */

public class HumanTaskNodeWrapper extends WorkItemWrapper {



    public static final String SWIMLANE = "Swimlane";



	private static final long serialVersionUID = 4L;



    private static final WorkDefinition WORK_DEFINITION;

    

    static {

        WORK_DEFINITION = new WorkDefinitionExtensionImpl();

        ((WorkDefinitionImpl) WORK_DEFINITION).setName("Human Task");

        Set<ParameterDefinition> parameterDefinitions = new HashSet<ParameterDefinition>();

        parameterDefinitions.add(new ParameterDefinitionImpl("TaskName", new StringDataType()));

        parameterDefinitions.add(new ParameterDefinitionImpl("ActorId", new StringDataType()));

        parameterDefinitions.add(new ParameterDefinitionImpl("Priority", new StringDataType()));

        parameterDefinitions.add(new ParameterDefinitionImpl("Comment", new StringDataType()));

        parameterDefinitions.add(new ParameterDefinitionImpl("Skippable", new StringDataType()));

        parameterDefinitions.add(new ParameterDefinitionImpl("Content", new StringDataType()));

        ((WorkDefinitionExtensionImpl) WORK_DEFINITION).setParameters(parameterDefinitions);

        ((WorkDefinitionExtensionImpl) WORK_DEFINITION).setIcon("icons/human_task.gif");

        ((WorkDefinitionExtensionImpl) WORK_DEFINITION).setCustomEditor(HumanTaskCustomEditor.class.getName());

    }



    public HumanTaskNodeWrapper() {

        setNode(new HumanTaskNode());

        getNode().setName("Human Task");

        setWorkDefinition(WORK_DEFINITION);

    }

    

    protected void initDescriptors() {

    	super.initDescriptors();

        IPropertyDescriptor[] parentDescriptors = descriptors;

        IPropertyDescriptor[] descriptors = new IPropertyDescriptor[parentDescriptors.length + 1];

        System.arraycopy(parentDescriptors, 0, descriptors, 0, parentDescriptors.length);

        descriptors[descriptors.length - 1] = 

            new TextPropertyDescriptor(SWIMLANE, "Swimlane");

    }

    

    public HumanTaskNode getHumanTaskNode() {

        return (HumanTaskNode) getNode();

    }

    

    public Object getPropertyValue(Object id) {

        if (SWIMLANE.equals(id)) {

        	String swimlane = getHumanTaskNode().getSwimlane();

            return swimlane == null ? "" : swimlane;

        }

        return super.getPropertyValue(id);

    }



    public void resetPropertyValue(Object id) {

        if (SWIMLANE.equals(id)) {

        	getHumanTaskNode().setSwimlane(null);

        } else {

            super.resetPropertyValue(id);

        }

    }



    public void setPropertyValue(Object id, Object value) {

        if (SWIMLANE.equals(id)) {

        	getHumanTaskNode().setSwimlane((String) value);

        } else {

            super.setPropertyValue(id, value);

        }

    }

}