[add] widget chart

Makefile

@@ -207,7 +207,7 @@ artifacts-macos: clean
 	mkdir -p .tmp/data/xgen
 	cp -r ./ui .tmp/data/ui
 	cp -r ../xgen-v0.9/dist .tmp/data/xgen/v0.9
-	cp -r ../xgen-v1.0/packages/app/dist .tmp/data/xgen/v1.0
+	cp -r ../xgen-v1.0/packages/xgen/dist .tmp/data/xgen/v1.0
 	cp -r yao .tmp/data/
 	go-bindata -fs -pkg data -o data/bindata.go -prefix ".tmp/data/" .tmp/data/...
 	rm -rf .tmp/data
@@ -318,7 +318,7 @@ linux-release: clean
 	mkdir -p .tmp/data/xgen
 	cp -r ./ui .tmp/data/ui
 	cp -r .tmp/xgen/v0.9/dist .tmp/data/xgen/v0.9
-	cp -r .tmp/xgen/v1.0/packages/app/dist .tmp/data/xgen/v1.0
+	cp -r .tmp/xgen/v1.0/packages/xgen/dist .tmp/data/xgen/v1.0
 	cp -r yao .tmp/data/
 	go-bindata -fs -pkg data -o data/bindata.go -prefix ".tmp/data/" .tmp/data/...
 	rm -rf .tmp/data

lang/lang.go

@@ -10,13 +10,13 @@ import (
 )
 
 func init() {
+	lang.RegisterWidget("logins", "login")
 	lang.RegisterWidget("tables", "table")
 	lang.RegisterWidget("forms", "form")
 	lang.RegisterWidget("charts", "chart")
 	lang.RegisterWidget("kanban", "page")
 	lang.RegisterWidget("screen", "page")
 	lang.RegisterWidget("pages", "page")
-	lang.RegisterWidget("logins", "login")
 }
 
 // Load language packs

widgets/chart/action.go

@@ -0,0 +1,122 @@
+package chart
+
+import (
+	"fmt"
+
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/kun/any"
+	"github.com/yaoapp/kun/log"
+	"github.com/yaoapp/kun/maps"
+	"github.com/yaoapp/yao/widgets/action"
+)
+
+var processActionDefaults = map[string]*action.Process{
+
+	"Setting": {
+		Name:    "yao.chart.Setting",
+		Process: "yao.chart.Xgen",
+		Default: []interface{}{nil},
+	},
+	"Component": {
+		Name:    "yao.chart.Component",
+		Default: []interface{}{nil, nil, nil},
+	},
+	"Data": {
+		Name:    "yao.chart.Data",
+		Default: []interface{}{nil},
+	},
+}
+
+// SetDefaultProcess set the default value of action
+func (act *ActionDSL) SetDefaultProcess() {
+
+	act.Setting = action.NewProcess("Setting", act.Setting).
+		SetDefault(processActionDefaults).
+		SetHandler(processHandler)
+
+	act.Component = action.NewProcess("Component", act.Component).
+		SetDefault(processActionDefaults).
+		SetHandler(processHandler)
+
+	act.Data = action.NewProcess("Data", act.Data).
+		WithBefore(act.BeforeData).
+		WithAfter(act.AfterData).
+		SetDefault(processActionDefaults).
+		SetHandler(processHandler)
+
+}
+
+func processHandler(p *action.Process, process *gou.Process) (interface{}, error) {
+
+	form, err := Get(process)
+	if err != nil {
+		return nil, err
+	}
+	args := p.Args(process)
+
+	// Process
+	name := p.Process
+	if name == "" {
+		name = p.ProcessBind
+	}
+
+	if name == "" {
+		log.Error("[chart] %s %s process is required", form.ID, p.Name)
+		return nil, fmt.Errorf("[chart] %s %s process is required", form.ID, p.Name)
+	}
+
+	// Before Hook
+	if p.Before != nil {
+		log.Trace("[chart] %s %s before: exec(%v)", form.ID, p.Name, args)
+		newArgs, err := p.Before.Exec(args, process.Sid, process.Global)
+		if err != nil {
+			log.Error("[chart] %s %s before: %s", form.ID, p.Name, err.Error())
+		} else {
+			log.Trace("[chart] %s %s before: args:%v", form.ID, p.Name, args)
+			args = newArgs
+		}
+	}
+
+	// Execute Process
+	act, err := gou.ProcessOf(name, args...)
+	if err != nil {
+		log.Error("[chart] %s %s -> %s %s", form.ID, p.Name, name, err.Error())
+		return nil, fmt.Errorf("[chart] %s %s -> %s %s", form.ID, p.Name, name, err.Error())
+	}
+
+	res, err := act.WithGlobal(process.Global).WithSID(process.Sid).Exec()
+	if err != nil {
+		log.Error("[chart] %s %s -> %s %s", form.ID, p.Name, name, err.Error())
+		return nil, fmt.Errorf("[chart] %s %s -> %s %s", form.ID, p.Name, name, err.Error())
+	}
+
+	// Compute Out
+	switch p.Name {
+
+	case "yao.chart.Data":
+		switch res.(type) {
+		case map[string]interface{}, maps.MapStr:
+			data := any.MapOf(res).MapStrAny
+			err := form.computeData(process, data)
+			if err != nil {
+				log.Error("[chart] %s %s -> %s %s", form.ID, p.Name, name, err.Error())
+			}
+			res = data
+		}
+		break
+	}
+
+	// After hook
+	if p.After != nil {
+		log.Trace("[chart] %s %s after: exec(%v)", form.ID, p.Name, res)
+		newRes, err := p.After.Exec(res, process.Sid, process.Global)
+		if err != nil {
+			log.Error("[chart] %s %s after: %s", form.ID, p.Name, err.Error())
+		} else {
+			log.Trace("[chart] %s %s after: %v", form.ID, p.Name, newRes)
+			res = newRes
+		}
+	}
+
+	return res, nil
+}

widgets/chart/api.go

@@ -0,0 +1,66 @@
+package chart
+
+import (
+	jsoniter "github.com/json-iterator/go"
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/yao/share"
+)
+
+// export API
+func exportAPI() error {
+
+	http := gou.HTTP{
+		Name:        "Widget Form API",
+		Description: "Widget Form API",
+		Version:     share.VERSION,
+		Guard:       "-",
+		Group:       "__yao/chart",
+		Paths:       []gou.Path{},
+	}
+
+	//   GET  /api/__yao/chart/:id/setting  					-> Default process: yao.chart.Xgen
+	path := gou.Path{
+		Label:       "Setting",
+		Description: "Setting",
+		Path:        "/:id/setting",
+		Method:      "GET",
+		Process:     "yao.chart.Setting",
+		In:          []string{"$param.id"},
+		Out:         gou.Out{Status: 200, Type: "application/json"},
+	}
+	http.Paths = append(http.Paths, path)
+
+	//   GET  /api/__yao/chart/:id/data 					-> Default process: yao.chart.Data $param.id :query
+	path = gou.Path{
+		Label:       "Data",
+		Description: "Data",
+		Path:        "/:id/data",
+		Method:      "GET",
+		Process:     "yao.chart.Data",
+		In:          []string{"$param.id", ":query"},
+		Out:         gou.Out{Status: 200, Type: "application/json"},
+	}
+	http.Paths = append(http.Paths, path)
+
+	//   GET  /api/__yao/chart/:id/component/:xpath/:method  	-> Default process: yao.chart.Component $param.id $param.xpath $param.method :query
+	path = gou.Path{
+		Label:       "Component",
+		Description: "Component",
+		Path:        "/:id/component/:xpath/:method",
+		Method:      "GET",
+		Process:     "yao.chart.Component",
+		In:          []string{"$param.id", "$param.xpath", "$param.method", ":query"},
+		Out:         gou.Out{Status: 200, Type: "application/json"},
+	}
+	http.Paths = append(http.Paths, path)
+
+	// api source
+	source, err := jsoniter.Marshal(http)
+	if err != nil {
+		return err
+	}
+
+	// load apis
+	_, err = gou.LoadAPIReturn(string(source), "widgets.chart")
+	return err
+}

widgets/chart/chart.go

@@ -0,0 +1,197 @@
+package chart
+
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	jsoniter "github.com/json-iterator/go"
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/gou/lang"
+	"github.com/yaoapp/kun/exception"
+	"github.com/yaoapp/yao/config"
+	"github.com/yaoapp/yao/share"
+	"github.com/yaoapp/yao/widgets/component"
+	"github.com/yaoapp/yao/widgets/field"
+)
+
+//
+// API:
+//   GET  /api/__yao/chart/:id/setting  					-> Default process: yao.chart.Xgen
+//   GET  /api/__yao/chart/:id/data 						-> Default process: yao.chart.Data $param.id :query
+//   GET  /api/__yao/chart/:id/component/:xpath/:method  	-> Default process: yao.chart.Component $param.id $param.xpath $param.method :query
+//
+// Process:
+// 	 yao.form.Setting Return the App DSL
+// 	 yao.form.Xgen Return the Xgen setting
+//   yao.form.Data Return the query data
+//   yao.form.Component Return the result defined in props.xProps
+//
+// Hook:
+//   before:data
+//   after:data
+//
+
+// Charts the loaded chart widgets
+var Charts map[string]*DSL = map[string]*DSL{}
+
+// New create a new DSL
+func New(id string) *DSL {
+	return &DSL{
+		ID:          id,
+		Fields:      &FieldsDSL{Chart: field.Columns{}, Filter: field.Filters{}},
+		CProps:      field.CloudProps{},
+		ComputesIn:  field.ComputeFields{},
+		ComputesOut: field.ComputeFields{},
+	}
+}
+
+// LoadAndExport load table
+func LoadAndExport(cfg config.Config) error {
+	err := Load(cfg)
+	if err != nil {
+		return err
+	}
+	return Export()
+}
+
+// Load load task
+func Load(cfg config.Config) error {
+	var root = filepath.Join(cfg.Root, "charts")
+	return LoadFrom(root, "")
+}
+
+// LoadFrom load from dir
+func LoadFrom(dir string, prefix string) error {
+
+	if share.DirNotExists(dir) {
+		return fmt.Errorf("%s does not exists", dir)
+	}
+
+	messages := []string{}
+	err := share.Walk(dir, ".json", func(root, filename string) {
+		id := prefix + share.ID(root, filename)
+		data := share.ReadFile(filename)
+		dsl := New(id)
+		err := jsoniter.Unmarshal(data, dsl)
+		if err != nil {
+			messages = append(messages, fmt.Sprintf("[%s] %s", id, err.Error()))
+			return
+		}
+
+		if dsl.Action == nil {
+			dsl.Action = &ActionDSL{}
+		}
+		dsl.Action.SetDefaultProcess()
+
+		if dsl.Layout == nil {
+			dsl.Layout = &LayoutDSL{}
+		}
+
+		// Parse
+		err = dsl.Parse()
+		if err != nil {
+			messages = append(messages, fmt.Sprintf("[%s] %s", id, err.Error()))
+			return
+		}
+
+		// Validate
+		err = dsl.Validate()
+		if err != nil {
+			messages = append(messages, fmt.Sprintf("[%s] %s", id, err.Error()))
+			return
+		}
+
+		// Apply a language pack
+		if lang.Default != nil {
+			lang.Default.Apply(dsl)
+		}
+
+		Charts[id] = dsl
+	})
+
+	if len(messages) > 0 {
+		return fmt.Errorf(strings.Join(messages, ";"))
+	}
+
+	return err
+}
+
+// Get form via process or id
+func Get(form interface{}) (*DSL, error) {
+	id := ""
+	switch form.(type) {
+	case string:
+		id = form.(string)
+	case *gou.Process:
+		id = form.(*gou.Process).ArgsString(0)
+	default:
+		return nil, fmt.Errorf("%v type does not support", form)
+	}
+
+	t, has := Charts[id]
+	if !has {
+		return nil, fmt.Errorf("%s does not exist", id)
+	}
+	return t, nil
+}
+
+// MustGet Get form via process or id thow error
+func MustGet(form interface{}) *DSL {
+	t, err := Get(form)
+	if err != nil {
+		exception.New(err.Error(), 400).Throw()
+	}
+	return t
+}
+
+// Parse Layout
+func (dsl *DSL) Parse() error {
+
+	// ComputeFields
+	dsl.Fields.Chart.ComputeFieldsMerge(dsl.ComputesIn, dsl.ComputesOut)
+
+	// Filters
+	err := dsl.Fields.Filter.CPropsMerge(dsl.CProps, func(name string, filter field.FilterDSL) (xpath string) {
+		return fmt.Sprintf("fields.filter.%s.edit.props", name)
+	})
+
+	if err != nil {
+		return err
+	}
+
+	// Columns
+	return dsl.Fields.Chart.CPropsMerge(dsl.CProps, func(name string, kind string, column field.ColumnDSL) (xpath string) {
+		return fmt.Sprintf("fields.chart.%s.%s.props", name, kind)
+	})
+}
+
+// Xgen trans to xgen setting
+func (dsl *DSL) Xgen() (map[string]interface{}, error) {
+
+	setting, err := dsl.Layout.Xgen()
+	if err != nil {
+		return nil, err
+	}
+
+	fields, err := dsl.Fields.Xgen()
+	if err != nil {
+		return nil, err
+	}
+
+	setting["fields"] = fields
+	for _, cProp := range dsl.CProps {
+		err := cProp.Replace(setting, func(cProp component.CloudPropsDSL) interface{} {
+			return map[string]interface{}{
+				"api":    fmt.Sprintf("/api/__yao/chart/%s/component/%s/%s", dsl.ID, cProp.Xpath, cProp.Name),
+				"params": cProp.Query,
+			}
+		})
+
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return setting, nil
+}

widgets/chart/chart_test.go

@@ -0,0 +1,53 @@
+package chart
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/yaoapp/yao/config"
+	"github.com/yaoapp/yao/lang"
+	"github.com/yaoapp/yao/model"
+	"github.com/yaoapp/yao/script"
+	"github.com/yaoapp/yao/share"
+)
+
+func TestLoad(t *testing.T) {
+	prepare(t)
+	err := Load(config.Conf)
+	if err != nil {
+		t.Fatal(err)
+	}
+	assert.Equal(t, 1, len(Charts))
+}
+
+func prepare(t *testing.T, language ...string) {
+
+	// langs
+	if len(language) < 1 {
+		os.Unsetenv("YAO_LANG")
+	} else {
+		os.Setenv("YAO_LANG", language[0])
+	}
+	lang.Load(config.Conf)
+
+	share.DBConnect(config.Conf.DB) // removed later
+
+	// load scripts
+	err := script.Load(config.Conf)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// load models
+	err = model.Load(config.Conf)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// export
+	err = Export()
+	if err != nil {
+		t.Fatal(err)
+	}
+}

widgets/chart/compute.go

@@ -0,0 +1,44 @@
+package chart
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/kun/log"
+)
+
+func (dsl *DSL) computeData(process *gou.Process, values map[string]interface{}) error {
+
+	messages := []string{}
+	for key := range values {
+		err := dsl.computeOut(process, key, values)
+		if err != nil {
+			messages = append(messages, err.Error())
+		}
+	}
+
+	if len(messages) > 0 {
+		return fmt.Errorf("%s", strings.Join(messages, ";"))
+	}
+
+	return nil
+}
+
+func (dsl *DSL) computeOut(process *gou.Process, key string, values map[string]interface{}) error {
+	if name, has := dsl.ComputesOut[key]; has {
+		compute, err := gou.ProcessOf(name, key, values[key], values)
+		if err != nil {
+			log.Error("[chart] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
+			return fmt.Errorf("[chart] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
+		}
+
+		res, err := compute.WithGlobal(process.Global).WithSID(process.Sid).Exec()
+		if err != nil {
+			log.Error("[chart] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
+			return fmt.Errorf("[chart] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
+		}
+		values[key] = res
+	}
+	return nil
+}

widgets/chart/export.go

@@ -0,0 +1,7 @@
+package chart
+
+// Export process & api
+func Export() error {
+	exportProcess()
+	return exportAPI()
+}

widgets/chart/fields.go

@@ -0,0 +1,19 @@
+package chart
+
+import jsoniter "github.com/json-iterator/go"
+
+// Xgen trans to xgen setting
+func (fields *FieldsDSL) Xgen() (map[string]interface{}, error) {
+	res := map[string]interface{}{}
+	data, err := jsoniter.Marshal(fields)
+	if err != nil {
+		return nil, err
+	}
+
+	err = jsoniter.Unmarshal(data, &res)
+	if err != nil {
+		return nil, err
+	}
+
+	return res, nil
+}

widgets/chart/lang.go

@@ -0,0 +1,7 @@
+package chart
+
+// Lang for applying a language pack
+func (dsl *DSL) Lang(trans func(widget string, inst string, value *string) bool) {
+	widget := "form"
+	trans(widget, dsl.ID, &dsl.Name)
+}

widgets/chart/layout.go

@@ -0,0 +1,19 @@
+package chart
+
+import jsoniter "github.com/json-iterator/go"
+
+// Xgen trans to Xgen setting
+func (layout *LayoutDSL) Xgen() (map[string]interface{}, error) {
+	res := map[string]interface{}{}
+	data, err := jsoniter.Marshal(layout)
+	if err != nil {
+		return nil, err
+	}
+
+	err = jsoniter.Unmarshal(data, &res)
+	if err != nil {
+		return nil, err
+	}
+
+	return res, nil
+}

widgets/chart/process.go

@@ -0,0 +1,67 @@
+package chart
+
+import (
+	"fmt"
+
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/kun/exception"
+)
+
+// Export process
+func exportProcess() {
+	gou.RegisterProcessHandler("yao.chart.setting", processSetting)
+	gou.RegisterProcessHandler("yao.chart.xgen", processXgen)
+	gou.RegisterProcessHandler("yao.chart.component", processComponent)
+	gou.RegisterProcessHandler("yao.chart.data", processData)
+}
+
+func processXgen(process *gou.Process) interface{} {
+
+	form := MustGet(process)
+	setting, err := form.Xgen()
+	if err != nil {
+		exception.New(err.Error(), 500).Throw()
+	}
+
+	return setting
+}
+
+func processComponent(process *gou.Process) interface{} {
+
+	process.ValidateArgNums(3)
+	form := MustGet(process)
+	xpath := process.ArgsString(1)
+	method := process.ArgsString(2)
+	key := fmt.Sprintf("%s.$%s", xpath, method)
+
+	// get cloud props
+	cProp, has := form.CProps[key]
+	if !has {
+		exception.New("%s does not exist", 400, key).Throw()
+	}
+
+	// :query
+	query := map[string]interface{}{}
+	if process.NumOfArgsIs(4) {
+		query = process.ArgsMap(3)
+	}
+
+	// execute query
+	res, err := cProp.ExecQuery(process, query)
+	if err != nil {
+		exception.New(err.Error(), 500).Throw()
+	}
+
+	return res
+}
+
+func processSetting(process *gou.Process) interface{} {
+	form := MustGet(process)
+	process.Args = append(process.Args, process.Args[0]) // chart name
+	return form.Action.Setting.MustExec(process)
+}
+
+func processData(process *gou.Process) interface{} {
+	form := MustGet(process)
+	return form.Action.Data.MustExec(process)
+}

widgets/chart/process_test.go

@@ -0,0 +1,91 @@
+package chart
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/yaoapp/gou"
+	"github.com/yaoapp/kun/any"
+	"github.com/yaoapp/kun/maps"
+	"github.com/yaoapp/yao/config"
+	q "github.com/yaoapp/yao/query"
+)
+
+func TestProcessData(t *testing.T) {
+	load(t)
+	args := []interface{}{"dashboard", map[string]interface{}{"range": "2022-01-02", "status": "checked"}}
+	res, err := gou.NewProcess("yao.chart.Data", args...).Exec()
+	if err != nil {
+		t.Fatal(err)
+	}
+	data := any.Of(res).MapStr()
+	assert.Equal(t, 14, len(data))
+}
+
+func TestProcessComponent(t *testing.T) {
+	load(t)
+	args := []interface{}{
+		"dashboard",
+		"fields.filter.状态.edit.props.xProps",
+		"remote",
+		map[string]interface{}{"select": []string{"name", "status"}, "limit": 2},
+	}
+
+	res, err := gou.NewProcess("yao.chart.Component", args...).Exec()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	pets, ok := res.([]maps.MapStr)
+	assert.True(t, ok)
+	assert.Equal(t, 2, len(pets))
+	assert.Equal(t, "Cookie", pets[0]["name"])
+	assert.Equal(t, "checked", pets[0]["status"])
+	assert.Equal(t, "Baby", pets[1]["name"])
+	assert.Equal(t, "checked", pets[1]["status"])
+}
+
+func TestProcessComponentError(t *testing.T) {
+	load(t)
+	args := []interface{}{
+		"dashboard",
+		"fields.filter.edit.props.状态.::not-exist",
+		"remote",
+		map[string]interface{}{"select": []string{"name", "status"}, "limit": 2},
+	}
+	_, err := gou.NewProcess("yao.chart.Component", args...).Exec()
+	assert.Contains(t, err.Error(), "fields.filter.edit.props.状态.::not-exist")
+}
+
+func TestProcessSetting(t *testing.T) {
+	load(t)
+	args := []interface{}{"dashboard"}
+	res, err := gou.NewProcess("yao.chart.Setting", args...).Exec()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	data := any.Of(res).MapStr().Dot()
+	assert.Equal(t, "/api/__yao/chart/dashboard/component/fields.filter.状态.edit.props.xProps/remote", data.Get("fields.filter.状态.edit.props.xProps.remote.api"))
+}
+
+func TestProcessXgen(t *testing.T) {
+	load(t)
+	args := []interface{}{"dashboard"}
+	res, err := gou.NewProcess("yao.chart.Xgen", args...).Exec()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	data := any.Of(res).MapStr().Dot()
+	assert.Equal(t, "/api/__yao/chart/dashboard/component/fields.filter.状态.edit.props.xProps/remote", data.Get("fields.filter.状态.edit.props.xProps.remote.api"))
+}
+
+func load(t *testing.T) {
+	prepare(t)
+	err := Load(config.Conf)
+	if err != nil {
+		t.Fatal(err)
+	}
+	q.Load(config.Conf)
+}

widgets/chart/types.go

@@ -0,0 +1,51 @@
+package chart
+
+import (
+	"github.com/yaoapp/yao/widgets/action"
+	"github.com/yaoapp/yao/widgets/component"
+	"github.com/yaoapp/yao/widgets/field"
+	"github.com/yaoapp/yao/widgets/hook"
+)
+
+// DSL the chart DSL
+type DSL struct {
+	ID          string              `json:"id,omitempty"`
+	Name        string              `json:"name,omitempty"`
+	Action      *ActionDSL          `json:"action"`
+	Layout      *LayoutDSL          `json:"layout"`
+	Fields      *FieldsDSL          `json:"fields"`
+	ComputesIn  field.ComputeFields `json:"-"`
+	ComputesOut field.ComputeFields `json:"-"`
+	CProps      field.CloudProps    `json:"-"`
+}
+
+// ActionDSL the chart action DSL
+type ActionDSL struct {
+	Setting    *action.Process `json:"setting,omitempty"`
+	Component  *action.Process `json:"-"`
+	Data       *action.Process `json:"data,omitempty"`
+	BeforeData *hook.Before    `json:"before:data,omitempty"`
+	AfterData  *hook.After     `json:"after:data,omitempty"`
+}
+
+// FieldsDSL the chart fields DSL
+type FieldsDSL struct {
+	Filter field.Filters `json:"filter,omitempty"`
+	Chart  field.Columns `json:"chart,omitempty"`
+}
+
+// LayoutDSL the chart layout DSL
+type LayoutDSL struct {
+	Operation *OperationLayoutDSL `json:"operation,omitempty"`
+	Chart     *ViewLayoutDSL      `json:"chart,omitempty"`
+}
+
+// OperationLayoutDSL layout.operation
+type OperationLayoutDSL struct {
+	Actions []component.ActionDSL `json:"actions,omitempty"`
+}
+
+// ViewLayoutDSL layout.form
+type ViewLayoutDSL struct {
+	Columns component.Instances `json:"columns,omitempty"`
+}

widgets/chart/vaildate.go

@@ -0,0 +1,6 @@
+package chart
+
+// Validate table
+func (dsl *DSL) Validate() error {
+	return nil
+}

widgets/field/types.go

@@ -17,6 +17,7 @@ type CloudProps map[string]component.CloudPropsDSL
 // ColumnDSL the field column dsl
 type ColumnDSL struct {
 	Bind string         `json:"bind,omitempty"`
+	Link string         `json:"link,omitempty"`
 	In   string         `json:"in,omitempty"`
 	Out  string         `json:"out,omitempty"`
 	View *component.DSL `json:"view,omitempty"`

widgets/form/api.go

@@ -44,8 +44,8 @@ func exportAPI() error {
 
 	//   GET  /api/__yao/form/:id/component/:xpath/:method  	-> Default process: yao.form.Component $param.id $param.xpath $param.method :query
 	path = gou.Path{
-		Label:       "Find",
+		Label:       "Component",
-		Description: "Find",
+		Description: "Component",
 		Path:        "/:id/component/:xpath/:method",
 		Method:      "GET",
 		Process:     "yao.form.Component",

widgets/form/compute.go

@@ -46,14 +46,14 @@ func (dsl *DSL) computeIn(process *gou.Process, key string, values map[string]in
 	if name, has := dsl.ComputesIn[key]; has {
 		compute, err := gou.ProcessOf(name, key, values[key], values)
 		if err != nil {
-			log.Error("[table] %s compute-in -> %s %s %s", dsl.ID, name, key, err.Error())
+			log.Error("[form] %s compute-in -> %s %s %s", dsl.ID, name, key, err.Error())
-			return fmt.Errorf("[table] %s compute-in -> %s %s %s", dsl.ID, name, key, err.Error())
+			return fmt.Errorf("[form] %s compute-in -> %s %s %s", dsl.ID, name, key, err.Error())
 		}
 
 		res, err := compute.WithGlobal(process.Global).WithSID(process.Sid).Exec()
 		if err != nil {
-			log.Error("[table] %s compute-in -> %s %s %s", dsl.ID, name, key, err.Error())
+			log.Error("[form] %s compute-in -> %s %s %s", dsl.ID, name, key, err.Error())
-			return fmt.Errorf("[table] %s compute-in -> %s %s %s", dsl.ID, name, key, err.Error())
+			return fmt.Errorf("[form] %s compute-in -> %s %s %s", dsl.ID, name, key, err.Error())
 		}
 		values[key] = res
 	}
@@ -64,14 +64,14 @@ func (dsl *DSL) computeOut(process *gou.Process, key string, values map[string]i
 	if name, has := dsl.ComputesOut[key]; has {
 		compute, err := gou.ProcessOf(name, key, values[key], values)
 		if err != nil {
-			log.Error("[table] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
+			log.Error("[form] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
-			return fmt.Errorf("[table] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
+			return fmt.Errorf("[form] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
 		}
 
 		res, err := compute.WithGlobal(process.Global).WithSID(process.Sid).Exec()
 		if err != nil {
-			log.Error("[table] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
+			log.Error("[form] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
-			return fmt.Errorf("[table] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
+			return fmt.Errorf("[form] %s compute-out -> %s %s %s", dsl.ID, name, key, err.Error())
 		}
 		values[key] = res
 	}

widgets/table/api.go

@@ -68,8 +68,8 @@ func exportAPI() error {
 
 	//   GET  /api/__yao/table/:id/component/:xpath/:method  	-> Default process: yao.table.Component $param.id $param.xpath $param.method :query
 	path = gou.Path{
-		Label:       "Find",
+		Label:       "Component",
-		Description: "Find",
+		Description: "Component",
 		Path:        "/:id/component/:xpath/:method",
 		Method:      "GET",
 		Process:     "yao.table.Component",

widgets/widgets.go

@@ -3,6 +3,7 @@ package widgets
 import (
 	"github.com/yaoapp/yao/config"
 	"github.com/yaoapp/yao/widgets/app"
+	"github.com/yaoapp/yao/widgets/chart"
 	"github.com/yaoapp/yao/widgets/form"
 	"github.com/yaoapp/yao/widgets/login"
 	"github.com/yaoapp/yao/widgets/table"
@@ -35,5 +36,11 @@ func Load(cfg config.Config) error {
 		return err
 	}
 
+	// chart widget
+	err = chart.LoadAndExport(cfg)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }