Fix: default field will reset setterFunc

docs/docsrc/examples/examples_presets/editing.go

@@ -2,6 +2,7 @@ package examples_presets
 
 import (
 	"embed"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -187,3 +188,25 @@ func PresetsEditingValidate(b *presets.Builder, db *gorm.DB) (
 
 	return
 }
+
+func PresetsEditingSetter(b *presets.Builder, db *gorm.DB) (
+	mb *presets.ModelBuilder,
+	cl *presets.ListingBuilder,
+	ce *presets.EditingBuilder,
+	dp *presets.DetailingBuilder,
+) {
+	b.DataOperator(gorm2op.DataOperator(db))
+	db.AutoMigrate(&Company{})
+	mb = b.Model(&Company{})
+	mb.Listing("ID", "Name")
+	eb := mb.Editing("Name")
+	eb.Field("Name").SetterFunc(func(obj interface{}, field *presets.FieldContext, ctx *web.EventContext) (err error) {
+		c := obj.(*Company)
+		if c.Name == "" {
+			return errors.New("name must not be empty")
+		}
+		return
+	})
+
+	return
+}

docs/docsrc/examples/examples_presets/editing_test.go

@@ -39,3 +39,29 @@ func TestPresetsEditingValidate(t *testing.T) {
 		})
 	}
 }
+
+func TestPresetsEditingSetter(t *testing.T) {
+	pb := presets.New().DataOperator(gorm2op.DataOperator(TestDB))
+	PresetsEditingSetter(pb, TestDB)
+
+	cases := []multipartestutils.TestCase{
+		{
+			Name:  "default field setterFunc",
+			Debug: true,
+			ReqFunc: func() *http.Request {
+				companyData.TruncatePut(SqlDB)
+				return multipartestutils.NewMultipartBuilder().
+					PageURL("/companies?__execute_event__=presets_Update").
+					AddField("Name", "").
+					BuildEventFuncRequest()
+			},
+			ExpectPortalUpdate0ContainsInOrder: []string{"name must not be empty"},
+		},
+	}
+
+	for _, c := range cases {
+		t.Run(c.Name, func(t *testing.T) {
+			multipartestutils.RunCase(t, c, pb)
+		})
+	}
+}

docs/docsrc/examples/examples_presets/mux.go

@@ -37,6 +37,7 @@ func SamplesHandler(mux examples.Muxer) {
 	addExample(mux, db, PresetsConfirmDialog)
 	addExample(mux, db, PresetsEditingCustomizationTabs)
 	addExample(mux, db, PresetsEditingValidate)
+	addExample(mux, db, PresetsEditingSetter)
 	addExample(mux, db, PresetsListingCustomizationSearcher)
 	addExample(mux, db, PresetsDetailInlineEditDetails)
 	addExample(mux, db, PresetsDetailInlineEditInspectTables)

presets/field.go

@@ -500,8 +500,10 @@ func (b *FieldsBuilder) getFieldOrDefault(name string) (r *FieldBuilder) {
 		}
 
 		ft := b.defaults.fieldTypeByTypeOrCreate(fType)
-		r.ComponentFunc(ft.compFunc).
-			SetterFunc(ft.setterFunc)
+		r.ComponentFunc(ft.compFunc)
+		if r.setterFunc == nil {
+			r.SetterFunc(ft.setterFunc)
+		}
 	}
 	return
 }