topic Re: Activiti Designer Extension in Alfresco Archive

Activiti Designer Extension

gecos — Fri, 17 Dec 2010 19:31:52 GMT

I created an extension for the palette of the designer but when I activiti a new project and want to add a new diagram palette I get no objects and gives me the error I show below. I Take the instructions of the user guide in the chapter "Extending Designer activiti "ThanksProblems occurred when inv

Re: Activiti Designer Extension

tiesebarrell — Fri, 17 Dec 2010 20:17:40 GMT

Can you provide some code of the class you created as a custom node?

Re: Activiti Designer Extension

gecos — Mon, 20 Dec 2010 16:05:40 GMT

package org.gecos;

import org.activiti.designer.integration.servicetask.AbstractCustomServiceTask;
import org.activiti.designer.integration.servicetask.annotation.Help;
import org.activiti.designer.integration.servicetask.annotation.Property;
import org.activiti.designer.integration.servicetask.annotation.Runtime;
import org.activiti.designer.integration.servicetask.PropertyType;

/**
* @author John Doe
* @version 1
* @since 1.0.0
*/
@Runtime(delegationClass = "org.gecos.runtime.GecosTaskJavaDelegation")
@Help(displayHelpShort = "Nuevo Objeto Transaccional", displayHelpLong = "Crea una nueva transaccion en el Sistema")
public class GecosTask extends AbstractCustomServiceTask {

private static final String HELP_OT_GECOS = "Nombre de la Transacción a adjuntar";

@Property(type = PropertyType.TEXT, displayName = "Nombre Objeto Transaccional", required = true)
@Help(displayHelpShort = "Seleccione el nombre del objeto transaccional", displayHelpLong = HELP_OT_GECOS)
private String nombreTransaccion;

@Property(type = PropertyType.MULTILINE_TEXT, displayName = "Comentarios")
@Help(displayHelpShort = "Comentarios", displayHelpLong = "Comentarios")
private String comentarios;

/*
   * (non-Javadoc)
   *
   * @see org.activiti.designer.integration.servicetask.AbstractCustomServiceTask #contributeToPaletteDrawer()
   */
@Override
public String contributeToPaletteDrawer() {
    return "Gecos BPMN";
}

@Override
public String getName() {
    return "Tarea Gecos";
}

/*
   * (non-Javadoc)
   *
   * @see org.activiti.designer.integration.servicetask.AbstractCustomServiceTask #getSmallIconPath()
   */
@Override
public String getSmallIconPath() {
    return "icons/ico_gecos.png";
}
}

Re: Activiti Designer Extension

tiesebarrell — Tue, 21 Dec 2010 07:51:37 GMT

gecos,

I've tested you class and it works fine for me. I think the problem you have is that the icon you're referencing isn't in the jar file, or not in the icons folder at the top level. I tested with a valid path and an invalid one and the invalid path threw the exact same exception you mentioned. So I'd check whether the icon is correctly included as you reference in the getSmallIconPath() method.

Re: Activiti Designer Extension

tiesebarrell — Tue, 21 Dec 2010 07:58:08 GMT

And since you pointed this out I feel the exception you get in this case is undesirable, so I've created an issue to help developers in the future: http://jira.codehaus.org/browse/ACT-467

Re: Activiti Designer Extension

gecos — Tue, 21 Dec 2010 14:12:46 GMT

Thanks for your help. I changed the class to the default package and finally the extension work.
Thanks again!

Re: Activiti Designer Extension

tiesebarrell — Tue, 21 Dec 2010 14:24:07 GMT

HTH

I actually left the class in the org.gecos package, I just made sure the icon was in the jar.