gistfile1.txt

package com.adaptavist.serverconfig

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.fields.CustomField
import com.onresolve.jira.groovy.user.FieldBehaviours
import com.onresolve.jira.groovy.user.FormField
import org.apache.log4j.Logger

import java.util.Map.Entry

class ShowHideBehaviours extends FieldBehaviours {

    private Logger log = Logger.getLogger(getClass());

    final FieldApplications fieldApplications;
    final DefaultValues defaultValues;

    public ShowHideBehaviours() {
        fieldApplications = new FieldApplications();
        defaultValues = new DefaultValues();
    }

    public void onFormLoad() {

        // set default values for non application-specific fields
        final Map<FieldName, String> defaultValues = defaultValues.getFieldDefaults();
        for (final Entry<FieldName, String> entry : defaultValues.entrySet()) {

            final FormField formField = getField(entry.key);
            formField.setFormValue(entry.value);
        }
    }

    public void onApplicationChange() {
        final FormField applicationFormField = getFieldById(getFieldChanged());
        final String applicationName = applicationFormField.getValue();
        log.debug("Selected application name: " + applicationName);
        final Application selectedApplication = applicationName == null ? null : Application.getByName(applicationName);

        for (final FieldName fieldName : FieldName.values()) {
            final FormField formField = getField(fieldName);
            // hidden
            final boolean hidden = fieldApplications.isFieldHidden(fieldName, selectedApplication);
            formField.setHidden(hidden);
            // default value

            if (applicationName) {
                final String defaultValue = defaultValues.get(fieldName, selectedApplication);
                formField.setFormValue(defaultValue);
            }
        }
    }

    /**
     * For some reason getFieldByName() doesn't work here so we get the custom field and use it's id
     */
    private FormField getField(FieldName fieldName) {
        final CustomField customField = ComponentAccessor.getCustomFieldManager().getCustomFieldObjectByName(fieldName.fullName);
        return getFieldById(customField.getId());
    }
}