rui/viewStyleSet.go

package rui

import (
	"strings"
)

func (style *viewStyle) setRange(tag string, value interface{}) bool {
	switch value := value.(type) {
	case string:
		if strings.Contains(value, "@") {
			style.properties[tag] = value
			return true
		}
		var r Range
		if !r.setValue(value) {
			invalidPropertyValue(tag, value)
			return false
		}
		style.properties[tag] = r

	case int:
		style.properties[tag] = Range{First: value, Last: value}

	case Range:
		style.properties[tag] = value

	default:
		notCompatibleType(tag, value)
		return false
	}
	return true
}

func (style *viewStyle) setBackground(value interface{}) bool {
	switch value := value.(type) {
	case BackgroundElement:
		style.properties[Background] = []BackgroundElement{value}
		return true

	case []BackgroundElement:
		style.properties[Background] = value
		return true

	case DataObject:
		if element := createBackground(value); element != nil {
			style.properties[Background] = []BackgroundElement{element}
			return true
		}

	case []DataObject:
		for _, obj := range value {
			background := []BackgroundElement{}
			if element := createBackground(obj); element != nil {
				background = append(background, element)
			}
			if len(background) > 0 {
				style.properties[Background] = background
				return true
			}
		}

	case string:
		if obj := ParseDataText(value); obj != nil {
			if element := createBackground(obj); element != nil {
				style.properties[Background] = []BackgroundElement{element}
				return true
			}
		}
	}

	return false
}

func (style *viewStyle) Remove(tag string) {
	style.remove(strings.ToLower(tag))
}

func (style *viewStyle) remove(tag string) {
	switch tag {
	case BorderStyle, BorderColor, BorderWidth,
		BorderLeft, BorderLeftStyle, BorderLeftColor, BorderLeftWidth,
		BorderRight, BorderRightStyle, BorderRightColor, BorderRightWidth,
		BorderTop, BorderTopStyle, BorderTopColor, BorderTopWidth,
		BorderBottom, BorderBottomStyle, BorderBottomColor, BorderBottomWidth:
		if border := getBorder(style, Border); border != nil {
			border.delete(tag)
		}

	case CellBorderStyle, CellBorderColor, CellBorderWidth,
		CellBorderLeft, CellBorderLeftStyle, CellBorderLeftColor, CellBorderLeftWidth,
		CellBorderRight, CellBorderRightStyle, CellBorderRightColor, CellBorderRightWidth,
		CellBorderTop, CellBorderTopStyle, CellBorderTopColor, CellBorderTopWidth,
		CellBorderBottom, CellBorderBottomStyle, CellBorderBottomColor, CellBorderBottomWidth:
		if border := getBorder(style, CellBorder); border != nil {
			border.delete(tag)
		}

	case MarginTop, MarginRight, MarginBottom, MarginLeft,
		"top-margin", "right-margin", "bottom-margin", "left-margin":
		style.removeBoundsSide(Margin, tag)

	case PaddingTop, PaddingRight, PaddingBottom, PaddingLeft,
		"top-padding", "right-padding", "bottom-padding", "left-padding":
		style.removeBoundsSide(Padding, tag)

	case CellPaddingTop, CellPaddingRight, CellPaddingBottom, CellPaddingLeft:
		style.removeBoundsSide(CellPadding, tag)

	case RadiusX, RadiusY, RadiusTopLeft, RadiusTopLeftX, RadiusTopLeftY,
		RadiusTopRight, RadiusTopRightX, RadiusTopRightY,
		RadiusBottomLeft, RadiusBottomLeftX, RadiusBottomLeftY,
		RadiusBottomRight, RadiusBottomRightX, RadiusBottomRightY:
		style.removeRadiusElement(tag)

	case OutlineStyle, OutlineWidth, OutlineColor:
		if outline := getOutline(style); outline != nil {
			outline.Remove(tag)
		}

	default:
		style.propertyList.remove(tag)
	}
}

func (style *viewStyle) Set(tag string, value interface{}) bool {
	return style.set(strings.ToLower(tag), value)
}

func (style *viewStyle) set(tag string, value interface{}) bool {
	if value == nil {
		style.remove(tag)
		return true
	}

	switch tag {
	case Shadow, TextShadow:
		return style.setShadow(tag, value)

	case Background:
		return style.setBackground(value)

	case Border, CellBorder:
		if border := newBorderProperty(value); border != nil {
			style.properties[tag] = border
			return true
		}

	case BorderStyle, BorderColor, BorderWidth,
		BorderLeft, BorderLeftStyle, BorderLeftColor, BorderLeftWidth,
		BorderRight, BorderRightStyle, BorderRightColor, BorderRightWidth,
		BorderTop, BorderTopStyle, BorderTopColor, BorderTopWidth,
		BorderBottom, BorderBottomStyle, BorderBottomColor, BorderBottomWidth:

		border := getBorder(style, Border)
		if border == nil {
			border = NewBorder(nil)
			if border.Set(tag, value) {
				style.properties[Border] = border
				return true
			}
			return false
		}
		return border.Set(tag, value)

	case CellBorderStyle, CellBorderColor, CellBorderWidth,
		CellBorderLeft, CellBorderLeftStyle, CellBorderLeftColor, CellBorderLeftWidth,
		CellBorderRight, CellBorderRightStyle, CellBorderRightColor, CellBorderRightWidth,
		CellBorderTop, CellBorderTopStyle, CellBorderTopColor, CellBorderTopWidth,
		CellBorderBottom, CellBorderBottomStyle, CellBorderBottomColor, CellBorderBottomWidth:

		border := getBorder(style, CellBorder)
		if border == nil {
			border = NewBorder(nil)
			if border.Set(tag, value) {
				style.properties[CellBorder] = border
				return true
			}
			return false
		}
		return border.Set(tag, value)

	case Radius:
		return style.setRadius(value)

	case RadiusX, RadiusY, RadiusTopLeft, RadiusTopLeftX, RadiusTopLeftY,
		RadiusTopRight, RadiusTopRightX, RadiusTopRightY,
		RadiusBottomLeft, RadiusBottomLeftX, RadiusBottomLeftY,
		RadiusBottomRight, RadiusBottomRightX, RadiusBottomRightY:
		return style.setRadiusElement(tag, value)

	case Margin, Padding, CellPadding:
		return style.setBounds(tag, value)

	case MarginTop, MarginRight, MarginBottom, MarginLeft,
		"top-margin", "right-margin", "bottom-margin", "left-margin":
		return style.setBoundsSide(Margin, tag, value)

	case PaddingTop, PaddingRight, PaddingBottom, PaddingLeft,
		"top-padding", "right-padding", "bottom-padding", "left-padding":
		return style.setBoundsSide(Padding, tag, value)

	case CellPaddingTop, CellPaddingRight, CellPaddingBottom, CellPaddingLeft:
		return style.setBoundsSide(CellPadding, tag, value)

	case Outline:
		return style.setOutline(value)

	case OutlineStyle, OutlineWidth, OutlineColor:
		if outline := getOutline(style); outline != nil {
			return outline.Set(tag, value)
		}
		style.properties[Outline] = NewOutlineProperty(Params{tag: value})
		return true

	case Orientation:
		if text, ok := value.(string); ok {
			switch strings.ToLower(text) {
			case "vertical":
				style.properties[Orientation] = TopDownOrientation
				return true

			case "horizontal":
				style.properties[Orientation] = StartToEndOrientation
				return true
			}
		}

	case TextWeight:
		if n, ok := value.(int); ok && n >= 100 && n%100 == 0 {
			n /= 100
			if n > 0 && n <= 9 {
				style.properties[TextWeight] = StartToEndOrientation
				return true
			}
		}

	case Row, Column:
		return style.setRange(tag, value)

	case CellWidth, CellHeight:
		return style.setGridCellSize(tag, value)

	case ColumnSeparator:
		if separator := newColumnSeparatorProperty(value); separator != nil {
			style.properties[ColumnSeparator] = separator
			return true
		}
		return false

	case ColumnSeparatorStyle, ColumnSeparatorWidth, ColumnSeparatorColor:
		var separator ColumnSeparatorProperty = nil
		if val, ok := style.properties[ColumnSeparator]; ok {
			separator = val.(ColumnSeparatorProperty)
		}
		if separator == nil {
			separator = newColumnSeparatorProperty(nil)
		}

		if separator.Set(tag, value) {
			style.properties[ColumnSeparator] = separator
			return true
		}
		return false

	case Clip, ShapeOutside:
		return style.setClipShape(tag, value)

	case Filter:
		return style.setFilter(value)

	case Transition:
		setObject := func(obj DataObject) bool {
			if obj != nil {
				tag := strings.ToLower(tag)
				switch tag {
				case "", "_":
					ErrorLog("Invalid transition property name")

				default:
					style.transitions[tag] = parseAnimation(obj)
					return true
				}
			}
			return false
		}

		switch value := value.(type) {
		case Params:
			result := true
			for tag, val := range value {
				tag = strings.ToLower(strings.Trim(tag, " \t"))
				if tag == "" {
					ErrorLog("Invalid transition property name")
					result = false
				} else if val == nil {
					delete(style.transitions, tag)
				} else if animation, ok := val.(Animation); ok {
					style.transitions[tag] = animation
				} else {
					notCompatibleType(Transition, val)
					result = false
				}
			}
			return result

		case DataObject:
			return setObject(value)

		case DataNode:
			switch value.Type() {
			case ObjectNode:
				return setObject(value.Object())

			case ArrayNode:
				result := true
				for i := 0; i < value.ArraySize(); i++ {
					if obj := value.ArrayElement(i).Object(); obj != nil {
						result = setObject(obj) && result
					} else {
						notCompatibleType(tag, value.ArrayElement(i))
						result = false
					}
				}
				return result
			}
		}
		notCompatibleType(tag, value)
		return false

	case AnimationTag:
		switch value := value.(type) {
		case Animation:
			style.properties[tag] = []Animation{value}
			return true

		case []Animation:
			style.properties[tag] = value
			return true

		case DataObject:
			if animation := parseAnimation(value); animation.hasAnimatedPropery() {
				style.properties[tag] = []Animation{animation}
				return true
			}

		case DataNode:
			animations := []Animation{}
			result := true
			for i := 0; i < value.ArraySize(); i++ {
				if obj := value.ArrayElement(i).Object(); obj != nil {
					if anim := parseAnimation(obj); anim.hasAnimatedPropery() {
						animations = append(animations, anim)
					} else {
						result = false
					}
				} else {
					notCompatibleType(tag, value.ArrayElement(i))
					result = false
				}
			}
			if result && len(animations) > 0 {
				style.properties[tag] = animations
			}
			return result
		}

	}

	return style.propertyList.set(tag, value)
}