org.ikasan.dashboard.ui.mappingconfiguration.component.SourceContextComboBox.java Source code

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Here is the source code for org.ikasan.dashboard.ui.mappingconfiguration.component.SourceContextComboBox.java

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/*
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*
* ====================================================================
* Ikasan Enterprise Integration Platform
*
* Distributed under the Modified BSD License.
* Copyright notice: The copyright for this software and a full listing
* of individual contributors are as shown in the packaged copyright.txt
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*  - Redistributions of source code must retain the above copyright notice,
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package org.ikasan.dashboard.ui.mappingconfiguration.component;

import java.util.List;

import org.ikasan.dashboard.ui.framework.group.Refreshable;
import org.ikasan.mapping.model.ConfigurationContext;
import org.ikasan.mapping.service.MappingConfigurationService;

import com.vaadin.event.FieldEvents.FocusEvent;
import com.vaadin.event.FieldEvents.FocusListener;
import com.vaadin.ui.ComboBox;

/**
 * @author Ikasan Development Team
 *
 */
public class SourceContextComboBox extends ComboBox implements Refreshable, FocusListener {
    private static final long serialVersionUID = -856187553529404976L;

    private MappingConfigurationService mappingConfigurationService;
    private String clientName = null;
    private String type = null;
    private boolean isFocusRefreshable;

    /**
     * Constructor
     * 
     * @param mappingConfigurationService
     */
    public SourceContextComboBox(MappingConfigurationService mappingConfigurationService,
            boolean isFocusRefreshable) {
        this.mappingConfigurationService = mappingConfigurationService;
        this.isFocusRefreshable = isFocusRefreshable;
        this.init();
    }

    /**
     * Helper method to initialise the component.
     */
    @SuppressWarnings("serial")
    protected void init() {
        this.setWidth(140, Unit.PIXELS);
        //        loadContextValues();
        this.addFocusListener(this);
    }

    /**
     * Helper method to load context values.
     */
    public void loadContextValues() {
        List<ConfigurationContext> contexts = this.mappingConfigurationService.getAllConfigurationContexts();

        for (ConfigurationContext context : contexts) {
            this.addItem(context);
            this.setItemCaption(context, context.getName());
        }
    }

    /**
     * Helper method to load context values.
     */
    private void loadContextValues(String clientName, String type) {
        List<ConfigurationContext> contexts = this.mappingConfigurationService
                .getSourceConfigurationContextsByClientNameAndType(clientName, type);

        for (ConfigurationContext context : contexts) {
            this.addItem(context);
            this.setItemCaption(context, context.getName());
        }
    }

    /**
     * Helper method to refresh the component.
     */
    public void refresh() {
        ConfigurationContext context = (ConfigurationContext) this.getValue();
        boolean isReadOnly = this.isReadOnly();
        this.setReadOnly(false);
        this.removeAllItems();
        this.loadContextValues();
        this.setValue(context);
        this.setReadOnly(isReadOnly);
    }

    /**
     * Helper method to refresh the component.
     */
    public void refresh(String clientName, String type) {
        this.clientName = clientName;
        this.type = type;

        ConfigurationContext context = (ConfigurationContext) this.getValue();
        boolean isReadOnly = this.isReadOnly();
        this.setReadOnly(false);
        this.removeAllItems();
        this.loadContextValues(clientName, type);
        this.setValue(context);
        this.setReadOnly(isReadOnly);
    }

    /* (non-Javadoc)
     * @see com.vaadin.event.FieldEvents.FocusListener#focus(com.vaadin.event.FieldEvents.FocusEvent)
     */
    @Override
    public void focus(FocusEvent event) {
        if (this.isFocusRefreshable) {
            this.refresh(this.clientName, this.type);
        }
    }
}