Changeset 146 for trunk/grails-app/domain

Timestamp:

Jan 28, 2010, 6:42:30 PM (13 years ago)

Author:

keesvb

Message:

added helper functions to Subject and Template classes to easily get the template fields, and added a demonstration of use in the sandbox

Location:

trunk/grails-app/domain/dbnp/studycapturing

Files:

• Subject.groovy (modified) (2 diffs)
• Template.groovy (modified) (1 diff)

trunk/grails-app/domain/dbnp/studycapturing/Subject.groovy

@@ -13 +13 @@
 class Subject implements Serializable {
         static searchable = true
+        Template template
         String name
         Term species
@@ -29 +30 @@
         static constraints = {
         }
+
+        /**
+         * Find a template field by its name and return its value for this subject
+         * @param fieldName The name of the template subject field
+         * @return the value of the field (class depends on the field type)
+         * @throws NoSuchFieldException If the field is not found or the field type is not supported
+         */
+        def getFieldValue(String fieldName) {
+                TemplateFieldType fieldType = template.getSubjectFieldType(fieldName)
+                if (!fieldType) throw new NoSuchFieldException("Field name ${fieldName} not recognized")
+                switch(fieldType) {
+                        case [TemplateFieldType.STRING, TemplateFieldType.STRINGLIST]:
+                                return templateStringFields[fieldName]
+                        case TemplateFieldType.INTEGER:
+                                return templateIntegerFields[fieldName]
+                        case TemplateFieldType.FLOAT:
+                                return templateFloatFields[fieldName]
+                        case TemplateFieldType.ONTOLOGYTERM:
+                                return templateTermFields[fieldName]
+                        default:
+                                throw new NoSuchFieldException("Field type ${fieldType} not recognized")
+                }
+        }
 }

trunk/grails-app/domain/dbnp/studycapturing/Template.groovy

@@ -12 +12 @@
  */
 class Template implements Serializable {
-    String name
-    //nimble.User owner
+        String name
+        //nimble.User owner
 
-    static hasMany = [subjectFields : TemplateSubjectField]
-  
-    static constraints = {
-        name(unique:true)
-    }
+        static hasMany = [subjectFields: TemplateSubjectField]
 
-    def String toString() {
-        return this.name;
-    }
+        static constraints = {
+                name(unique: true)
+        }
+
+        def String toString() {
+                return this.name;
+        }
+
+        /**
+         * Look up the type of a certain template subject field
+         * @param fieldName The name of the template field
+         * @return The type (static member of TemplateFieldType) of the field, or null of the field does not exist
+         */
+        def TemplateFieldType getSubjectFieldType(String fieldName) {
+                def field = subjectFields.find {
+                        it.name == fieldName    
+                }
+                field?.type
+        }
 }