mirror of https://github.com/anoshenko/rui.git
378 lines
9.9 KiB
Go
378 lines
9.9 KiB
Go
package rui
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
// GridLayout - grid-container of View
|
|
type GridLayout interface {
|
|
ViewsContainer
|
|
}
|
|
|
|
type gridLayoutData struct {
|
|
viewsContainerData
|
|
}
|
|
|
|
// NewGridLayout create new GridLayout object and return it
|
|
func NewGridLayout(session Session, params Params) GridLayout {
|
|
view := new(gridLayoutData)
|
|
view.init(session)
|
|
setInitParams(view, params)
|
|
return view
|
|
}
|
|
|
|
func newGridLayout(session Session) View {
|
|
return NewGridLayout(session, nil)
|
|
}
|
|
|
|
// Init initialize fields of GridLayout by default values
|
|
func (gridLayout *gridLayoutData) init(session Session) {
|
|
gridLayout.viewsContainerData.init(session)
|
|
gridLayout.tag = "GridLayout"
|
|
gridLayout.systemClass = "ruiGridLayout"
|
|
}
|
|
|
|
func (gridLayout *gridLayoutData) String() string {
|
|
return getViewString(gridLayout)
|
|
}
|
|
|
|
func (style *viewStyle) setGridCellSize(tag string, value any) bool {
|
|
setValues := func(values []string) bool {
|
|
count := len(values)
|
|
if count > 1 {
|
|
sizes := make([]any, count)
|
|
for i, val := range values {
|
|
val = strings.Trim(val, " \t\n\r")
|
|
if isConstantName(val) {
|
|
sizes[i] = val
|
|
} else if fn := parseSizeFunc(val); fn != nil {
|
|
sizes[i] = SizeUnit{Type: SizeFunction, Function: fn}
|
|
} else if size, err := stringToSizeUnit(val); err == nil {
|
|
sizes[i] = size
|
|
} else {
|
|
invalidPropertyValue(tag, value)
|
|
return false
|
|
}
|
|
}
|
|
style.properties[tag] = sizes
|
|
} else if isConstantName(values[0]) {
|
|
style.properties[tag] = values[0]
|
|
} else if size, err := stringToSizeUnit(values[0]); err == nil {
|
|
style.properties[tag] = size
|
|
} else {
|
|
invalidPropertyValue(tag, value)
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
|
|
switch tag {
|
|
case CellWidth, CellHeight:
|
|
switch value := value.(type) {
|
|
case SizeUnit, []SizeUnit:
|
|
style.properties[tag] = value
|
|
|
|
case string:
|
|
if !setValues(strings.Split(value, ",")) {
|
|
return false
|
|
}
|
|
|
|
case []string:
|
|
if !setValues(value) {
|
|
return false
|
|
}
|
|
|
|
case []DataValue:
|
|
count := len(value)
|
|
if count == 0 {
|
|
invalidPropertyValue(tag, value)
|
|
return false
|
|
}
|
|
values := make([]string, count)
|
|
for i, val := range value {
|
|
if val.IsObject() {
|
|
invalidPropertyValue(tag, value)
|
|
return false
|
|
}
|
|
values[i] = val.Value()
|
|
}
|
|
if !setValues(values) {
|
|
return false
|
|
}
|
|
|
|
case []any:
|
|
count := len(value)
|
|
if count == 0 {
|
|
invalidPropertyValue(tag, value)
|
|
return false
|
|
}
|
|
sizes := make([]any, count)
|
|
for i, val := range value {
|
|
switch val := val.(type) {
|
|
case SizeUnit:
|
|
sizes[i] = val
|
|
|
|
case string:
|
|
if isConstantName(val) {
|
|
sizes[i] = val
|
|
} else if size, err := stringToSizeUnit(val); err == nil {
|
|
sizes[i] = size
|
|
} else {
|
|
invalidPropertyValue(tag, value)
|
|
return false
|
|
}
|
|
|
|
default:
|
|
invalidPropertyValue(tag, value)
|
|
return false
|
|
}
|
|
}
|
|
style.properties[tag] = sizes
|
|
|
|
default:
|
|
notCompatibleType(tag, value)
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func (style *viewStyle) gridCellSizesCSS(tag string, session Session) string {
|
|
switch cellSize := gridCellSizes(style, tag, session); len(cellSize) {
|
|
case 0:
|
|
|
|
case 1:
|
|
if cellSize[0].Type != Auto {
|
|
return `repeat(auto-fill, ` + cellSize[0].cssString(`auto`, session) + `)`
|
|
}
|
|
|
|
default:
|
|
allAuto := true
|
|
allEqual := true
|
|
for i, size := range cellSize {
|
|
if size.Type != Auto {
|
|
allAuto = false
|
|
}
|
|
if i > 0 && !size.Equal(cellSize[0]) {
|
|
allEqual = false
|
|
}
|
|
}
|
|
if !allAuto {
|
|
if allEqual {
|
|
return fmt.Sprintf(`repeat(%d, %s)`, len(cellSize), cellSize[0].cssString(`auto`, session))
|
|
}
|
|
|
|
buffer := allocStringBuilder()
|
|
defer freeStringBuilder(buffer)
|
|
for _, size := range cellSize {
|
|
buffer.WriteRune(' ')
|
|
buffer.WriteString(size.cssString(`auto`, session))
|
|
}
|
|
return buffer.String()
|
|
}
|
|
}
|
|
|
|
return ""
|
|
}
|
|
|
|
func (gridLayout *gridLayoutData) normalizeTag(tag string) string {
|
|
tag = strings.ToLower(tag)
|
|
switch tag {
|
|
case VerticalAlign:
|
|
return CellVerticalAlign
|
|
|
|
case HorizontalAlign:
|
|
return CellHorizontalAlign
|
|
|
|
case "row-gap":
|
|
return GridRowGap
|
|
|
|
case ColumnGap:
|
|
return GridColumnGap
|
|
}
|
|
return tag
|
|
}
|
|
|
|
func (gridLayout *gridLayoutData) Get(tag string) any {
|
|
return gridLayout.get(gridLayout.normalizeTag(tag))
|
|
}
|
|
|
|
func (gridLayout *gridLayoutData) get(tag string) any {
|
|
if tag == Gap {
|
|
rowGap := GetGridRowGap(gridLayout)
|
|
columnGap := GetGridColumnGap(gridLayout)
|
|
if rowGap.Equal(columnGap) {
|
|
return rowGap
|
|
}
|
|
return AutoSize()
|
|
}
|
|
|
|
return gridLayout.viewsContainerData.get(tag)
|
|
}
|
|
|
|
func (gridLayout *gridLayoutData) Remove(tag string) {
|
|
gridLayout.remove(gridLayout.normalizeTag(tag))
|
|
}
|
|
|
|
func (gridLayout *gridLayoutData) remove(tag string) {
|
|
if tag == Gap {
|
|
gridLayout.remove(GridRowGap)
|
|
gridLayout.remove(GridColumnGap)
|
|
gridLayout.propertyChangedEvent(Gap)
|
|
return
|
|
}
|
|
|
|
gridLayout.viewsContainerData.remove(tag)
|
|
if gridLayout.created {
|
|
switch tag {
|
|
case CellWidth:
|
|
gridLayout.session.updateCSSProperty(gridLayout.htmlID(), `grid-template-columns`,
|
|
gridLayout.gridCellSizesCSS(CellWidth, gridLayout.session))
|
|
|
|
case CellHeight:
|
|
gridLayout.session.updateCSSProperty(gridLayout.htmlID(), `grid-template-rows`,
|
|
gridLayout.gridCellSizesCSS(CellHeight, gridLayout.session))
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
func (gridLayout *gridLayoutData) Set(tag string, value any) bool {
|
|
return gridLayout.set(gridLayout.normalizeTag(tag), value)
|
|
}
|
|
|
|
func (gridLayout *gridLayoutData) set(tag string, value any) bool {
|
|
if value == nil {
|
|
gridLayout.remove(tag)
|
|
return true
|
|
}
|
|
|
|
if tag == Gap {
|
|
return gridLayout.set(GridRowGap, value) && gridLayout.set(GridColumnGap, value)
|
|
}
|
|
|
|
if gridLayout.viewsContainerData.set(tag, value) {
|
|
if gridLayout.created {
|
|
switch tag {
|
|
case CellWidth:
|
|
gridLayout.session.updateCSSProperty(gridLayout.htmlID(), `grid-template-columns`,
|
|
gridLayout.gridCellSizesCSS(CellWidth, gridLayout.session))
|
|
|
|
case CellHeight:
|
|
gridLayout.session.updateCSSProperty(gridLayout.htmlID(), `grid-template-rows`,
|
|
gridLayout.gridCellSizesCSS(CellHeight, gridLayout.session))
|
|
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func gridCellSizes(properties Properties, tag string, session Session) []SizeUnit {
|
|
if value := properties.Get(tag); value != nil {
|
|
switch value := value.(type) {
|
|
case []SizeUnit:
|
|
return value
|
|
|
|
case SizeUnit:
|
|
return []SizeUnit{value}
|
|
|
|
case []any:
|
|
result := make([]SizeUnit, len(value))
|
|
for i, val := range value {
|
|
result[i] = AutoSize()
|
|
switch val := val.(type) {
|
|
case SizeUnit:
|
|
result[i] = val
|
|
|
|
case string:
|
|
if text, ok := session.resolveConstants(val); ok {
|
|
result[i], _ = stringToSizeUnit(text)
|
|
}
|
|
}
|
|
}
|
|
return result
|
|
|
|
case string:
|
|
if text, ok := session.resolveConstants(value); ok {
|
|
values := strings.Split(text, ",")
|
|
result := make([]SizeUnit, len(values))
|
|
for i, val := range values {
|
|
result[i], _ = stringToSizeUnit(val)
|
|
}
|
|
return result
|
|
}
|
|
}
|
|
}
|
|
|
|
return []SizeUnit{}
|
|
}
|
|
|
|
/*
|
|
func (gridLayout *gridLayoutData) cssStyle(self View, builder cssBuilder) {
|
|
gridLayout.viewsContainerData.cssStyle(self, builder)
|
|
}
|
|
*/
|
|
|
|
// GetCellVerticalAlign returns the vertical align of a GridLayout cell content: TopAlign (0), BottomAlign (1), CenterAlign (2), StretchAlign (3)
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetCellVerticalAlign(view View, subviewID ...string) int {
|
|
return enumStyledProperty(view, subviewID, CellVerticalAlign, StretchAlign, false)
|
|
}
|
|
|
|
// GetCellHorizontalAlign returns the vertical align of a GridLayout cell content: LeftAlign (0), RightAlign (1), CenterAlign (2), StretchAlign (3)
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetCellHorizontalAlign(view View, subviewID ...string) int {
|
|
return enumStyledProperty(view, subviewID, CellHorizontalAlign, StretchAlign, false)
|
|
}
|
|
|
|
// GetGridAutoFlow returns the value of the "grid-auto-flow" property
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetGridAutoFlow(view View, subviewID ...string) int {
|
|
return enumStyledProperty(view, subviewID, GridAutoFlow, 0, false)
|
|
}
|
|
|
|
// GetCellWidth returns the width of a GridLayout cell. If the result is an empty array, then the width is not set.
|
|
// If the result is a single value array, then the width of all cell is equal.
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetCellWidth(view View, subviewID ...string) []SizeUnit {
|
|
if len(subviewID) > 0 && subviewID[0] != "" {
|
|
view = ViewByID(view, subviewID[0])
|
|
}
|
|
if view != nil {
|
|
return gridCellSizes(view, CellWidth, view.Session())
|
|
}
|
|
return []SizeUnit{}
|
|
}
|
|
|
|
// GetCellHeight returns the height of a GridLayout cell. If the result is an empty array, then the height is not set.
|
|
// If the result is a single value array, then the height of all cell is equal.
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetCellHeight(view View, subviewID ...string) []SizeUnit {
|
|
if len(subviewID) > 0 && subviewID[0] != "" {
|
|
view = ViewByID(view, subviewID[0])
|
|
}
|
|
if view != nil {
|
|
return gridCellSizes(view, CellHeight, view.Session())
|
|
}
|
|
return []SizeUnit{}
|
|
}
|
|
|
|
// GetGridRowGap returns the gap between GridLayout rows.
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetGridRowGap(view View, subviewID ...string) SizeUnit {
|
|
return sizeStyledProperty(view, subviewID, GridRowGap, false)
|
|
}
|
|
|
|
// GetGridColumnGap returns the gap between GridLayout columns.
|
|
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
|
|
func GetGridColumnGap(view View, subviewID ...string) SizeUnit {
|
|
return sizeStyledProperty(view, subviewID, GridColumnGap, false)
|
|
}
|