data-miner-manager/src/main/java/org/gcube/portlets/user/dataminermanager/client/experimentArea/WorkflowPanel.java

/**
 * 
 */
package org.gcube.portlets.user.dataminermanager.client.experimentArea;

import org.gcube.portlets.user.dataminermanager.client.DataMinerManager;
import org.gcube.portlets.user.dataminermanager.client.bean.Operator;
import org.gcube.portlets.user.dataminermanager.client.common.EventBusProvider;
import org.gcube.portlets.user.dataminermanager.client.events.EmptyComputationPanelEvent;
import org.gcube.portlets.user.dataminermanager.client.events.ResubmitComputationEvent;
import org.gcube.portlets.user.dataminermanager.client.experimentArea.WorkflowOperatorPanel.WorkflowOperatorPanelHandler;

import com.allen_sauer.gwt.log.client.Log;
import com.sencha.gxt.widget.core.client.TabItemConfig;
import com.sencha.gxt.widget.core.client.TabPanel;

/**
 * 
 * @author Giancarlo Panichi email: <a
 *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
 *
 */
public class WorkflowPanel extends TabPanel {

	public static final String DEFAULT_OPERATOR = "AQUAMAPS_SUITABLE";

	private WorkflowOperatorPanel workflowOperatorPanel;
	private ComputationExecutionPanel computationExecutionPanel;
	private ComputationPanel computationPanel;

	/**
	 * 
	 */
	public WorkflowPanel() {
		super();
		init();
		create();
		bind();

	}

	private void init() {
		setBodyBorder(false);
	}

	private void create() {
		workflowOperatorPanel = null;

		TabItemConfig tabWorkFlowLcItemConf = new TabItemConfig(
				".: Computation", false);
		tabWorkFlowLcItemConf.setIcon(DataMinerManager.resources
				.folderExplore());
		computationPanel = new ComputationPanel();
		computationPanel
				.addEmptyComputationPanelEventHandler(new EmptyComputationPanelEvent.EmptyComputationPanelEventHandler() {

					@Override
					public void onEmpty(EmptyComputationPanelEvent event) {
						Log.debug("EmptyComputationPanelEvent Received");
						workflowOperatorPanel = null;
						
					}
				});
		add(computationPanel, tabWorkFlowLcItemConf);

		TabItemConfig tabComputationPanelItemConf = new TabItemConfig(
				".: Computations Execution", false);
		tabComputationPanelItemConf.setIcon(DataMinerManager.resources
				.folderExplore());
		computationExecutionPanel = new ComputationExecutionPanel();
		add(computationExecutionPanel, tabComputationPanelItemConf);

		setActiveWidget(computationPanel);
	}

	/**
	 * 
	 */
	private void bind() {
		EventBusProvider.INSTANCE.addHandler(
				ResubmitComputationEvent.getType(),
				new ResubmitComputationEvent.ResubmitComputationHandler() {
					@Override
					public void onResubmitComputation(
							ResubmitComputationEvent event) {
						setActiveWidget(computationExecutionPanel);
					}
				});
	}

	/**
	 * @param computationTitle
	 * @param operator
	 * 
	 */
	private void startComputation(String computationTitle,
			String computationDescription) {

		if (workflowOperatorPanel != null) {
			forceLayout();
			workflowOperatorPanel.updateOperatorParametersValues();
			Operator op = workflowOperatorPanel.getOperator();

			computationExecutionPanel.startNewComputation(op, computationTitle,
					computationDescription);
		}
	}

	public void addOperator(Operator op) {
		setActiveWidget(computationPanel);

		workflowOperatorPanel = new WorkflowOperatorPanel(op);
		workflowOperatorPanel.setHandler(new WorkflowOperatorPanelHandler() {
			@Override
			public void startComputation(String computationTitle,
					String computationDescription) {
				WorkflowPanel.this.startComputation(computationTitle,
						computationDescription);
				setActiveWidget(computationExecutionPanel);
			}
		});

		computationPanel.addWorkflowOperatorPanel(workflowOperatorPanel);

	}

}