Bug fixing and optimisation

border.go

@@ -73,6 +73,13 @@ func newBorderProperty(value interface{}) BorderProperty {
 		case BorderProperty:
 			return value
 
+		case DataNode:
+			if value.Type() == ObjectNode {
+				_ = border.setBorderObject(value.Object())
+			} else {
+				return nil
+			}
+
 		case DataObject:
 			_ = border.setBorderObject(value)
 

bounds.go

@@ -261,7 +261,20 @@ func (properties *propertyList) setBounds(tag string, value interface{}) bool {
 			properties.properties[tag] = value
 
 		case Bounds:
-			properties.properties[tag] = value
+			bounds := NewBoundsProperty(nil)
+			if value.Top.Type != Auto {
+				bounds.Set(Top, value.Top)
+			}
+			if value.Right.Type != Auto {
+				bounds.Set(Right, value.Right)
+			}
+			if value.Bottom.Type != Auto {
+				bounds.Set(Bottom, value.Bottom)
+			}
+			if value.Left.Type != Auto {
+				bounds.Set(Left, value.Left)
+			}
+			properties.properties[tag] = bounds
 
 		case BoundsProperty:
 			properties.properties[tag] = value

colorPicker.go

@@ -235,7 +235,7 @@ func GetColorPickerValue(view View, subviewID string) Color {
 			return result
 		}
 		for _, tag := range []string{Value, ColorTag} {
-			if value, ok := valueFromStyle(view, tag); ok {
+			if value := valueFromStyle(view, tag); value != nil {
 				if result, ok := valueToColor(value, view.Session()); ok {
 					return result
 				}

columnLayout.go

@@ -186,7 +186,7 @@ func GetColumnSeparator(view View, subviewID string) ViewBorder {
 	if view != nil {
 		value := view.Get(ColumnSeparator)
 		if value == nil {
-			value, _ = valueFromStyle(view, ColumnSeparator)
+			value = valueFromStyle(view, ColumnSeparator)
 		}
 
 		if value != nil {

datePicker.go

@@ -361,7 +361,7 @@ func getDateProperty(view View, mainTag, shortTag string) (time.Time, bool) {
 			return result, true
 		}
 
-		if value, ok := valueFromStyle(view, shortTag); ok {
+		if value := valueFromStyle(view, shortTag); value != nil {
 			if result, ok := valueToTime(value); ok {
 				return result, true
 			}

editView.go

@@ -568,9 +568,11 @@ func GetHint(view View, subviewID string) string {
 		if text, ok := stringProperty(view, Hint, view.Session()); ok {
 			return text
 		}
-		if text, ok := valueFromStyle(view, Hint); ok {
+		if value := valueFromStyle(view, Hint); value != nil {
-			if text, ok = view.Session().resolveConstants(text); ok {
+			if text, ok := value.(string); ok {
-				return text
+				if text, ok = view.Session().resolveConstants(text); ok {
+					return text
+				}
 			}
 		}
 	}
@@ -659,9 +661,11 @@ func GetEditViewPattern(view View, subviewID string) string {
 		if pattern, ok := stringProperty(view, EditViewPattern, view.Session()); ok {
 			return pattern
 		}
-		if pattern, ok := valueFromStyle(view, EditViewPattern); ok {
+		if value := valueFromStyle(view, EditViewPattern); value != nil {
-			if pattern, ok = view.Session().resolveConstants(pattern); ok {
+			if pattern, ok := value.(string); ok {
-				return pattern
+				if pattern, ok = view.Session().resolveConstants(pattern); ok {
+					return pattern
+				}
 			}
 		}
 	}

filePicker.go

@@ -260,8 +260,11 @@ func (picker *filePickerData) htmlTag() string {
 func (picker *filePickerData) acceptCSS() string {
 	accept, ok := stringProperty(picker, Accept, picker.Session())
 	if !ok {
-		accept, ok = valueFromStyle(picker, Accept)
+		if value := valueFromStyle(picker, Accept); value != nil {
+			accept, ok = value.(string)
+		}
 	}
+
 	if ok {
 		buffer := allocStringBuilder()
 		defer freeStringBuilder(buffer)
@@ -414,7 +417,9 @@ func GetFilePickerAccept(view View, subviewID string) []string {
 	if view != nil {
 		accept, ok := stringProperty(view, Accept, view.Session())
 		if !ok {
-			accept, ok = valueFromStyle(view, Accept)
+			if value := valueFromStyle(view, Accept); value != nil {
+				accept, ok = value.(string)
+			}
 		}
 		if ok {
 			result := strings.Split(accept, ",")

listLayout.go

@@ -139,7 +139,7 @@ func GetListOrientation(view View, subviewID string) int {
 			return orientation
 		}
 
-		if value, ok := valueFromStyle(view, Orientation); ok {
+		if value := valueFromStyle(view, Orientation); value != nil {
 			if orientation, ok := valueToOrientation(value, view.Session()); ok {
 				return orientation
 			}

session.go

@@ -80,8 +80,7 @@ type Session interface {
 
 	viewByHTMLID(id string) View
 	nextViewID() string
-	styleProperty(styleTag, property string) (string, bool)
+	styleProperty(styleTag, property string) interface{}
-	stylePropertyNode(styleTag, propertyTag string) DataNode
 
 	setBrige(events chan DataObject, brige WebBrige)
 	writeInitScript(writer *strings.Builder)
@@ -214,26 +213,11 @@ func (session *sessionData) close() {
 	}
 }
 
-func (session *sessionData) styleProperty(styleTag, propertyTag string) (string, bool) {
+func (session *sessionData) styleProperty(styleTag, propertyTag string) interface{} {
-	style := session.getCurrentTheme().style(styleTag)
+	if style := session.getCurrentTheme().style(styleTag); style != nil {
-	if value, ok := style[propertyTag]; ok {
+		return style.getRaw(propertyTag)
-		if text, ok := value.(string); ok {
-			return session.resolveConstants(text)
-		}
 	}
-
 	//errorLogF(`property "%v" not found`, propertyTag)
-	return "", false
-}
-
-func (session *sessionData) stylePropertyNode(styleTag, propertyTag string) DataNode {
-	style := session.getCurrentTheme().style(styleTag)
-	if value, ok := style[propertyTag]; ok {
-		if node, ok := value.(DataNode); ok {
-			return node
-		}
-	}
-
 	return nil
 }
 

tableView.go

@@ -1267,72 +1267,68 @@ func (table *tableViewData) htmlSubviews(self View, buffer *strings.Builder) {
 }
 
 func (table *tableViewData) cellPaddingFromStyle(style string) BoundsProperty {
-	session := table.Session()
+	if value := table.Session().styleProperty(style, CellPadding); value != nil {
-	var result BoundsProperty = nil
+		switch value := value.(type) {
+		case SizeUnit:
+			return NewBoundsProperty(Params{
+				Top:    value,
+				Right:  value,
+				Bottom: value,
+				Left:   value,
+			})
 
-	if node := session.stylePropertyNode(style, CellPadding); node != nil && node.Type() == ObjectNode {
+		case BoundsProperty:
-		for _, tag := range []string{Left, Right, Top, Bottom} {
+			return value
-			if node := node.Object().PropertyWithTag(tag); node != nil && node.Type() == TextNode {
+
-				if result == nil {
+		case string:
-					result = NewBoundsProperty(nil)
+			if value, ok := table.Session().resolveConstants(value); ok {
+				if strings.Contains(value, ",") {
+					values := split4Values(value)
+					switch len(values) {
+					case 1:
+						value = values[0]
+
+					case 4:
+						result := NewBoundsProperty(nil)
+						n := 0
+						for i, tag := range []string{Top, Right, Bottom, Left} {
+							if size, ok := StringToSizeUnit(values[i]); ok && size.Type != Auto {
+								result.Set(tag, size)
+								n++
+							}
+						}
+						if n > 0 {
+							return result
+						}
+						return nil
+
+					default:
+						return nil
+					}
+				}
+
+				if size, ok := StringToSizeUnit(value); ok && size.Type != Auto {
+					return NewBoundsProperty(Params{
+						Top:    size,
+						Right:  size,
+						Bottom: size,
+						Left:   size,
+					})
 				}
-				result.Set(tag, node.Text())
 			}
 		}
 	}
 
-	for _, tag := range []string{CellPaddingLeft, CellPaddingRight, CellPaddingTop, CellPaddingBottom} {
+	return nil
-		if value, ok := session.styleProperty(style, CellPadding); ok {
-			if result == nil {
-				result = NewBoundsProperty(nil)
-			}
-			result.Set(tag, value)
-		}
-	}
-
-	return result
 }
 
 func (table *tableViewData) cellBorderFromStyle(style string) BorderProperty {
-
+	if value := table.Session().styleProperty(style, CellBorder); value != nil {
-	border := new(borderProperty)
+		if border, ok := value.(BorderProperty); ok {
-	border.properties = map[string]interface{}{}
+			return border
-
-	session := table.Session()
-	if node := session.stylePropertyNode(style, CellBorder); node != nil && node.Type() == ObjectNode {
-		border.setBorderObject(node.Object())
-	}
-
-	for _, tag := range []string{
-		CellBorderLeft,
-		CellBorderRight,
-		CellBorderTop,
-		CellBorderBottom,
-		CellBorderStyle,
-		CellBorderLeftStyle,
-		CellBorderRightStyle,
-		CellBorderTopStyle,
-		CellBorderBottomStyle,
-		CellBorderWidth,
-		CellBorderLeftWidth,
-		CellBorderRightWidth,
-		CellBorderTopWidth,
-		CellBorderBottomWidth,
-		CellBorderColor,
-		CellBorderLeftColor,
-		CellBorderRightColor,
-		CellBorderTopColor,
-		CellBorderBottomColor,
-	} {
-		if value, ok := session.styleProperty(style, tag); ok {
-			border.Set(tag, value)
 		}
 	}
-
+	return nil
-	if len(border.properties) == 0 {
-		return nil
-	}
-	return border
 }
 
 func (table *tableViewData) getCellBorder() BorderProperty {

theme.go

@@ -1,6 +1,7 @@
 package rui
 
 import (
+	"fmt"
 	"sort"
 	"strconv"
 	"strings"
@@ -16,7 +17,7 @@ type MediaStyle struct {
 	Orientation int
 	MaxWidth    int
 	MaxHeight   int
-	Styles      map[string]Params
+	Styles      map[string]ViewStyle
 }
 
 type theme struct {
@@ -27,11 +28,12 @@ type theme struct {
 	darkColors     map[string]string
 	images         map[string]string
 	darkImages     map[string]string
-	styles         map[string]Params
+	styles         map[string]ViewStyle
 	mediaStyles    []MediaStyle
 }
 
 type Theme interface {
+	fmt.Stringer
 	Name() string
 	Constant(tag string) (string, string)
 	SetConstant(tag string, value, touchUIValue string)
@@ -50,7 +52,7 @@ type Theme interface {
 	constant(tag string, touchUI bool) string
 	color(tag string, darkUI bool) string
 	image(tag string, darkUI bool) string
-	style(tag string) Params
+	style(tag string) ViewStyle
 	cssText(session Session) string
 	data() *theme
 }
@@ -87,7 +89,7 @@ func parseMediaRule(text string) (MediaStyle, bool) {
 		Orientation: DefaultMedia,
 		MaxWidth:    0,
 		MaxHeight:   0,
-		Styles:      map[string]Params{},
+		Styles:      map[string]ViewStyle{},
 	}
 
 	elements := strings.Split(text, ":")
@@ -170,7 +172,7 @@ func (theme *theme) init() {
 	theme.darkColors = map[string]string{}
 	theme.images = map[string]string{}
 	theme.darkImages = map[string]string{}
-	theme.styles = map[string]Params{}
+	theme.styles = map[string]ViewStyle{}
 	theme.mediaStyles = []MediaStyle{}
 }
 
@@ -352,12 +354,12 @@ func (theme *theme) cssText(session Session) string {
 	var builder cssStyleBuilder
 	builder.init()
 
-	for tag, obj := range theme.styles {
+	for tag, style := range theme.styles {
-		var style viewStyle
+		/*var style viewStyle
 		style.init()
 		for tag, value := range obj {
 			style.Set(tag, value)
-		}
+		}*/
 		builder.startStyle(tag)
 		style.cssViewStyle(&builder, session)
 		builder.endStyle()
@@ -365,12 +367,12 @@ func (theme *theme) cssText(session Session) string {
 
 	for _, media := range theme.mediaStyles {
 		builder.startMedia(media.cssText())
-		for tag, obj := range media.Styles {
+		for tag, style := range media.Styles {
-			var style viewStyle
+			/*var style viewStyle
 			style.init()
 			for tag, value := range obj {
 				style.Set(tag, value)
-			}
+			}*/
 			builder.startStyle(tag)
 			style.cssViewStyle(&builder, session)
 			builder.endStyle()
@@ -404,7 +406,7 @@ func (theme *theme) addData(data DataObject) {
 func (theme *theme) parseThemeData(data DataObject) {
 	count := data.PropertyCount()
 
-	objToParams := func(obj DataObject) Params {
+	objToStyle := func(obj DataObject) ViewStyle {
 		params := Params{}
 		for i := 0; i < obj.PropertyCount(); i++ {
 			if node := obj.Property(i); node != nil {
@@ -420,7 +422,7 @@ func (theme *theme) parseThemeData(data DataObject) {
 				}
 			}
 		}
-		return params
+		return NewViewStyle(params)
 	}
 
 	for i := 0; i < count; i++ {
@@ -504,7 +506,7 @@ func (theme *theme) parseThemeData(data DataObject) {
 					for k := 0; k < arraySize; k++ {
 						if element := d.ArrayElement(k); element != nil && element.IsObject() {
 							if obj := element.Object(); obj != nil {
-								theme.styles[obj.Tag()] = objToParams(obj)
+								theme.styles[obj.Tag()] = objToStyle(obj)
 							}
 						}
 					}
@@ -517,7 +519,7 @@ func (theme *theme) parseThemeData(data DataObject) {
 						for k := 0; k < arraySize; k++ {
 							if element := d.ArrayElement(k); element != nil && element.IsObject() {
 								if obj := element.Object(); obj != nil {
-									rule.Styles[obj.Tag()] = objToParams(obj)
+									rule.Styles[obj.Tag()] = objToStyle(obj)
 								}
 							}
 						}
@@ -586,10 +588,74 @@ func (theme *theme) image(tag string, darkUI bool) string {
 	return result
 }
 
-func (theme *theme) style(tag string) Params {
+func (theme *theme) style(tag string) ViewStyle {
 	if style, ok := theme.styles[tag]; ok {
 		return style
 	}
 
-	return Params{}
+	return nil
+}
+
+func (theme *theme) String() string {
+	buffer := allocStringBuilder()
+	defer freeStringBuilder(buffer)
+
+	writeString := func(text string) {
+		if strings.ContainsAny(text, " \t\n\r\\\"'`,;{}[]()") {
+			replace := []struct{ old, new string }{
+				{old: "\\", new: `\\`},
+				{old: "\t", new: `\t`},
+				{old: "\r", new: `\r`},
+				{old: "\n", new: `\n`},
+				{old: "\"", new: `\"`},
+			}
+			for _, s := range replace {
+				text = strings.Replace(text, s.old, s.new, -1)
+			}
+			buffer.WriteRune('"')
+			buffer.WriteString(text)
+			buffer.WriteRune('"')
+		} else {
+			buffer.WriteString(text)
+		}
+	}
+
+	writeConstants := func(tag string, constants map[string]string) {
+		count := len(constants)
+		if count == 0 {
+			return
+		}
+
+		buffer.WriteString("\t")
+		buffer.WriteString(tag)
+		buffer.WriteString(" = _{\n")
+
+		tags := make([]string, 0, count)
+		for name := range constants {
+			tags = append(tags, name)
+		}
+		sort.Strings(tags)
+		for _, name := range tags {
+			if value, ok := constants[name]; ok && value != "" {
+				buffer.WriteString("\t\t")
+				writeString(name)
+				buffer.WriteString(" = ")
+				writeString(value)
+				buffer.WriteString(",\n")
+			}
+		}
+
+		buffer.WriteString("\t},\n")
+	}
+
+	buffer.WriteString("theme {\n")
+	writeConstants("colors", theme.colors)
+	writeConstants("colors:dark", theme.darkColors)
+	writeConstants("images", theme.images)
+	writeConstants("images:dark", theme.darkImages)
+	writeConstants("constants", theme.constants)
+	writeConstants("constants:touch", theme.touchConstants)
+
+	buffer.WriteString("}\n")
+	return buffer.String()
 }

timePicker.go

@@ -361,7 +361,7 @@ func getTimeProperty(view View, mainTag, shortTag string) (time.Time, bool) {
 			return result, true
 		}
 
-		if value, ok := valueFromStyle(view, shortTag); ok {
+		if value := valueFromStyle(view, shortTag); value != nil {
 			if result, ok := valueToTime(value); ok {
 				return result, true
 			}

viewUtils.go

@@ -410,8 +410,10 @@ func GetFontName(view View, subviewID string) string {
 		if font, ok := stringProperty(view, FontName, view.Session()); ok {
 			return font
 		}
-		if font, ok := valueFromStyle(view, FontName); ok {
+		if value := valueFromStyle(view, FontName); value != nil {
-			return font
+			if font, ok := value.(string); ok {
+				return font
+			}
 		}
 		if parent := view.Parent(); parent != nil {
 			return GetFontName(parent, "")
@@ -784,7 +786,7 @@ func GetRow(view View, subviewID string) Range {
 		if result, ok := rangeProperty(view, Row, session); ok {
 			return result
 		}
-		if value, ok := valueFromStyle(view, Row); ok {
+		if value := valueFromStyle(view, Row); value != nil {
 			if result, ok := valueToRange(value, session); ok {
 				return result
 			}
@@ -804,7 +806,7 @@ func GetColumn(view View, subviewID string) Range {
 		if result, ok := rangeProperty(view, Column, session); ok {
 			return result
 		}
-		if value, ok := valueFromStyle(view, Column); ok {
+		if value := valueFromStyle(view, Column); value != nil {
 			if result, ok := valueToRange(value, session); ok {
 				return result
 			}
@@ -954,20 +956,20 @@ func GetNotTranslate(view View, subviewID string) bool {
 	return false
 }
 
-func valueFromStyle(view View, tag string) (string, bool) {
+func valueFromStyle(view View, tag string) interface{} {
 	session := view.Session()
-	getValue := func(styleTag string) (string, bool) {
+	getValue := func(styleTag string) interface{} {
 		if style, ok := stringProperty(view, styleTag, session); ok {
 			if style, ok := session.resolveConstants(style); ok {
 				return session.styleProperty(style, tag)
 			}
 		}
-		return "", false
+		return nil
 	}
 
 	if IsDisabled(view, "") {
-		if value, ok := getValue(StyleDisabled); ok {
+		if value := getValue(StyleDisabled); value != nil {
-			return value, true
+			return value
 		}
 	}
 	return getValue(Style)
@@ -977,7 +979,7 @@ func sizeStyledProperty(view View, tag string) (SizeUnit, bool) {
 	if value, ok := sizeProperty(view, tag, view.Session()); ok {
 		return value, true
 	}
-	if value, ok := valueFromStyle(view, tag); ok {
+	if value := valueFromStyle(view, tag); value != nil {
 		return valueToSizeUnit(value, view.Session())
 	}
 	return AutoSize(), false
@@ -987,7 +989,7 @@ func enumStyledProperty(view View, tag string, defaultValue int) (int, bool) {
 	if value, ok := enumProperty(view, tag, view.Session(), defaultValue); ok {
 		return value, true
 	}
-	if value, ok := valueFromStyle(view, tag); ok {
+	if value := valueFromStyle(view, tag); value != nil {
 		return valueToEnum(value, tag, view.Session(), defaultValue)
 	}
 	return defaultValue, false
@@ -997,7 +999,7 @@ func boolStyledProperty(view View, tag string) (bool, bool) {
 	if value, ok := boolProperty(view, tag, view.Session()); ok {
 		return value, true
 	}
-	if value, ok := valueFromStyle(view, tag); ok {
+	if value := valueFromStyle(view, tag); value != nil {
 		return valueToBool(value, view.Session())
 	}
 	return false, false
@@ -1007,7 +1009,7 @@ func intStyledProperty(view View, tag string, defaultValue int) (int, bool) {
 	if value, ok := intProperty(view, tag, view.Session(), defaultValue); ok {
 		return value, true
 	}
-	if value, ok := valueFromStyle(view, tag); ok {
+	if value := valueFromStyle(view, tag); value != nil {
 		return valueToInt(value, view.Session(), defaultValue)
 	}
 	return defaultValue, false
@@ -1017,7 +1019,7 @@ func floatStyledProperty(view View, tag string, defaultValue float64) (float64,
 	if value, ok := floatProperty(view, tag, view.Session(), defaultValue); ok {
 		return value, true
 	}
-	if value, ok := valueFromStyle(view, tag); ok {
+	if value := valueFromStyle(view, tag); value != nil {
 		return valueToFloat(value, view.Session(), defaultValue)
 	}
 
@@ -1028,7 +1030,7 @@ func colorStyledProperty(view View, tag string) (Color, bool) {
 	if value, ok := colorProperty(view, tag, view.Session()); ok {
 		return value, true
 	}
-	if value, ok := valueFromStyle(view, tag); ok {
+	if value := valueFromStyle(view, tag); value != nil {
 		return valueToColor(value, view.Session())
 	}
 	return Color(0), false