2021-09-07 17:36:50 +03:00
package rui
import (
"strconv"
"strings"
)
const (
// ColumnCount is the constant for the "column-count" property tag.
// The "column-count" int property specifies number of columns into which the content is break
// Values less than zero are not valid. if the "column-count" property value is 0 then
// the number of columns is calculated based on the "column-width" property
ColumnCount = "column-count"
2022-12-23 17:27:14 +03:00
2021-09-07 17:36:50 +03:00
// ColumnWidth is the constant for the "column-width" property tag.
// The "column-width" SizeUnit property specifies the width of each column.
ColumnWidth = "column-width"
2022-12-23 17:27:14 +03:00
2021-09-07 17:36:50 +03:00
// ColumnGap is the constant for the "column-gap" property tag.
// The "column-width" SizeUnit property sets the size of the gap (gutter) between columns.
ColumnGap = "column-gap"
2022-12-23 17:27:14 +03:00
2021-09-07 17:36:50 +03:00
// ColumnSeparator is the constant for the "column-separator" property tag.
// The "column-separator" property specifies the line drawn between columns in a multi-column layout.
ColumnSeparator = "column-separator"
2022-12-23 17:27:14 +03:00
2021-09-07 17:36:50 +03:00
// ColumnSeparatorStyle is the constant for the "column-separator-style" property tag.
// The "column-separator-style" int property sets the style of the line drawn between
// columns in a multi-column layout.
// Valid values are NoneLine (0), SolidLine (1), DashedLine (2), DottedLine (3), and DoubleLine (4).
ColumnSeparatorStyle = "column-separator-style"
2022-12-23 17:27:14 +03:00
2021-09-07 17:36:50 +03:00
// ColumnSeparatorWidth is the constant for the "column-separator-width" property tag.
// The "column-separator-width" SizeUnit property sets the width of the line drawn between
// columns in a multi-column layout.
ColumnSeparatorWidth = "column-separator-width"
2022-12-23 17:27:14 +03:00
2021-09-07 17:36:50 +03:00
// ColumnSeparatorColor is the constant for the "column-separator-color" property tag.
// The "column-separator-color" Color property sets the color of the line drawn between
// columns in a multi-column layout.
ColumnSeparatorColor = "column-separator-color"
2022-12-23 17:27:14 +03:00
// ColumnFill is the constant for the "column-fill" property tag.
// The "column-fill" int property controls how an ColumnLayout's contents are balanced when broken into columns.
// Valid values are
// * ColumnFillBalance (0) - Content is equally divided between columns (default value);
// * ColumnFillAuto (1) - Columns are filled sequentially. Content takes up only the room it needs, possibly resulting in some columns remaining empty.
ColumnFill = "column-fill"
2021-09-07 17:36:50 +03:00
)
// ColumnLayout - grid-container of View
type ColumnLayout interface {
ViewsContainer
}
type columnLayoutData struct {
viewsContainerData
}
// NewColumnLayout create new ColumnLayout object and return it
func NewColumnLayout ( session Session , params Params ) ColumnLayout {
view := new ( columnLayoutData )
2022-09-01 11:04:50 +03:00
view . init ( session )
2021-09-07 17:36:50 +03:00
setInitParams ( view , params )
return view
}
func newColumnLayout ( session Session ) View {
return NewColumnLayout ( session , nil )
}
// Init initialize fields of ColumnLayout by default values
2022-09-01 11:04:50 +03:00
func ( ColumnLayout * columnLayoutData ) init ( session Session ) {
ColumnLayout . viewsContainerData . init ( session )
2021-09-07 17:36:50 +03:00
ColumnLayout . tag = "ColumnLayout"
//ColumnLayout.systemClass = "ruiColumnLayout"
}
2022-05-22 12:54:02 +03:00
func ( columnLayout * columnLayoutData ) String ( ) string {
return getViewString ( columnLayout )
}
2021-09-07 17:36:50 +03:00
func ( columnLayout * columnLayoutData ) normalizeTag ( tag string ) string {
tag = strings . ToLower ( tag )
switch tag {
case Gap :
return ColumnGap
}
return tag
}
2022-07-26 18:36:00 +03:00
func ( columnLayout * columnLayoutData ) Get ( tag string ) any {
2021-09-07 17:36:50 +03:00
return columnLayout . get ( columnLayout . normalizeTag ( tag ) )
}
func ( columnLayout * columnLayoutData ) Remove ( tag string ) {
columnLayout . remove ( columnLayout . normalizeTag ( tag ) )
}
func ( columnLayout * columnLayoutData ) remove ( tag string ) {
columnLayout . viewsContainerData . remove ( tag )
2021-11-20 11:15:28 +03:00
if columnLayout . created {
switch tag {
case ColumnCount , ColumnWidth , ColumnGap :
2022-10-30 17:22:33 +03:00
columnLayout . session . updateCSSProperty ( columnLayout . htmlID ( ) , tag , "" )
2021-09-07 17:36:50 +03:00
2021-11-20 11:15:28 +03:00
case ColumnSeparator :
2022-10-30 17:22:33 +03:00
columnLayout . session . updateCSSProperty ( columnLayout . htmlID ( ) , "column-rule" , "" )
2021-11-20 11:15:28 +03:00
}
2021-09-07 17:36:50 +03:00
}
}
2022-07-26 18:36:00 +03:00
func ( columnLayout * columnLayoutData ) Set ( tag string , value any ) bool {
2021-09-07 17:36:50 +03:00
return columnLayout . set ( columnLayout . normalizeTag ( tag ) , value )
}
2022-07-26 18:36:00 +03:00
func ( columnLayout * columnLayoutData ) set ( tag string , value any ) bool {
2021-09-07 17:36:50 +03:00
if value == nil {
columnLayout . remove ( tag )
return true
}
2021-11-20 11:15:28 +03:00
if ! columnLayout . viewsContainerData . set ( tag , value ) {
2021-09-07 17:36:50 +03:00
return false
}
2021-11-20 11:15:28 +03:00
if columnLayout . created {
2021-09-07 17:36:50 +03:00
switch tag {
case ColumnSeparator :
css := ""
session := columnLayout . Session ( )
if val , ok := columnLayout . properties [ ColumnSeparator ] ; ok {
separator := val . ( ColumnSeparatorProperty )
css = separator . cssValue ( columnLayout . Session ( ) )
}
2022-10-30 17:22:33 +03:00
session . updateCSSProperty ( columnLayout . htmlID ( ) , "column-rule" , css )
2021-11-20 11:15:28 +03:00
case ColumnCount :
session := columnLayout . Session ( )
if count , ok := intProperty ( columnLayout , tag , session , 0 ) ; ok && count > 0 {
2022-10-30 17:22:33 +03:00
session . updateCSSProperty ( columnLayout . htmlID ( ) , tag , strconv . Itoa ( count ) )
2021-11-20 11:15:28 +03:00
} else {
2022-10-30 17:22:33 +03:00
session . updateCSSProperty ( columnLayout . htmlID ( ) , tag , "auto" )
2021-11-20 11:15:28 +03:00
}
2021-09-07 17:36:50 +03:00
}
}
2021-11-20 11:15:28 +03:00
return true
2021-09-07 17:36:50 +03:00
}
// GetColumnCount returns int value which specifies number of columns into which the content of
// ColumnLayout is break. If the return value is 0 then the number of columns is calculated
// based on the "column-width" property.
2022-08-31 22:17:46 +03:00
// If the second argument (subviewID) is not specified or it is "" then a top position of the first argument (view) is returned
func GetColumnCount ( view View , subviewID ... string ) int {
2022-07-28 12:11:27 +03:00
return intStyledProperty ( view , subviewID , ColumnCount , 0 )
2021-09-07 17:36:50 +03:00
}
// GetColumnWidth returns SizeUnit value which specifies the width of each column of ColumnLayout.
2022-08-31 22:17:46 +03:00
// If the second argument (subviewID) is not specified or it is "" then a top position of the first argument (view) is returned
func GetColumnWidth ( view View , subviewID ... string ) SizeUnit {
2022-07-28 12:53:50 +03:00
return sizeStyledProperty ( view , subviewID , ColumnWidth , false )
2021-09-07 17:36:50 +03:00
}
// GetColumnGap returns SizeUnit property which specifies the size of the gap (gutter) between columns of ColumnLayout.
2022-08-31 22:17:46 +03:00
// If the second argument (subviewID) is not specified or it is "" then a top position of the first argument (view) is returned
func GetColumnGap ( view View , subviewID ... string ) SizeUnit {
2022-07-28 12:53:50 +03:00
return sizeStyledProperty ( view , subviewID , ColumnGap , false )
2021-09-07 17:36:50 +03:00
}
2022-08-31 22:17:46 +03:00
func getColumnSeparator ( view View , subviewID [ ] string ) ViewBorder {
if len ( subviewID ) > 0 && subviewID [ 0 ] != "" {
view = ViewByID ( view , subviewID [ 0 ] )
2021-09-07 17:36:50 +03:00
}
if view != nil {
value := view . Get ( ColumnSeparator )
if value == nil {
2022-05-23 15:22:14 +03:00
value = valueFromStyle ( view , ColumnSeparator )
2021-09-07 17:36:50 +03:00
}
if value != nil {
if separator , ok := value . ( ColumnSeparatorProperty ) ; ok {
return separator . ViewBorder ( view . Session ( ) )
}
}
}
return ViewBorder { }
}
2022-08-31 22:17:46 +03:00
// GetColumnSeparator returns ViewBorder struct which specifies the line drawn between
// columns in a multi-column ColumnLayout.
// If the second argument (subviewID) is not specified or it is "" then a top position of the first argument (view) is returned
func GetColumnSeparator ( view View , subviewID ... string ) ViewBorder {
return getColumnSeparator ( view , subviewID )
}
2021-09-07 17:36:50 +03:00
// ColumnSeparatorStyle returns int value which specifies the style of the line drawn between
// columns in a multi-column layout.
// Valid values are NoneLine (0), SolidLine (1), DashedLine (2), DottedLine (3), and DoubleLine (4).
2022-08-31 22:17:46 +03:00
// If the second argument (subviewID) is not specified or it is "" then a top position of the first argument (view) is returned
func GetColumnSeparatorStyle ( view View , subviewID ... string ) int {
border := getColumnSeparator ( view , subviewID )
2021-09-07 17:36:50 +03:00
return border . Style
}
// ColumnSeparatorWidth returns SizeUnit value which specifies the width of the line drawn between
// columns in a multi-column layout.
2022-08-31 22:17:46 +03:00
// If the second argument (subviewID) is not specified or it is "" then a top position of the first argument (view) is returned
func GetColumnSeparatorWidth ( view View , subviewID ... string ) SizeUnit {
border := getColumnSeparator ( view , subviewID )
2021-09-07 17:36:50 +03:00
return border . Width
}
// ColumnSeparatorColor returns Color value which specifies the color of the line drawn between
// columns in a multi-column layout.
2022-08-31 22:17:46 +03:00
// If the second argument (subviewID) is not specified or it is "" then a top position of the first argument (view) is returned
func GetColumnSeparatorColor ( view View , subviewID ... string ) Color {
border := getColumnSeparator ( view , subviewID )
2021-09-07 17:36:50 +03:00
return border . Color
}
2022-12-23 17:27:14 +03:00
// GetColumnFill returns a "column-fill" property value of the subview.
// Returns one of next values: ColumnFillBalance (0) or ColumnFillAuto (1)
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
func GetColumnFill ( view View , subviewID ... string ) int {
return enumStyledProperty ( view , subviewID , ColumnFill , ColumnFillBalance , true )
}