rui_orig/tableView.go

1425 lines
43 KiB
Go

package rui
import (
"fmt"
"strconv"
"strings"
)
const (
// TableVerticalAlign is the constant for the "table-vertical-align" property tag.
// The "table-vertical-align" int property sets the vertical alignment of the content inside a table cell.
// Valid values are TopAlign (0), BottomAlign (1), CenterAlign (2), and BaselineAlign (3, 4)
TableVerticalAlign = "table-vertical-align"
// HeadHeight is the constant for the "head-height" property tag.
// The "head-height" int property sets the number of rows in the table header.
// The default value is 0 (no header)
HeadHeight = "head-height"
// HeadStyle is the constant for the "head-style" property tag.
// The "head-style" string property sets the header style name
HeadStyle = "head-style"
// FootHeight is the constant for the "foot-height" property tag.
// The "foot-height" int property sets the number of rows in the table footer.
// The default value is 0 (no footer)
FootHeight = "foot-height"
// FootStyle is the constant for the "foot-style" property tag.
// The "foot-style" string property sets the footer style name
FootStyle = "foot-style"
// RowSpan is the constant for the "row-span" property tag.
// The "row-span" int property sets the number of table row to span.
// Used only when specifying cell parameters in the implementation of TableCellStyle
RowSpan = "row-span"
// ColumnSpan is the constant for the "column-span" property tag.
// The "column-span" int property sets the number of table column to span.
// Used only when specifying cell parameters in the implementation of TableCellStyle
ColumnSpan = "column-span"
// RowStyle is the constant for the "row-style" property tag.
// The "row-style" property sets the adapter which specifies styles of each table row.
// This property can be assigned or by an implementation of TableRowStyle interface, or by an array of Params.
RowStyle = "row-style"
// ColumnStyle is the constant for the "column-style" property tag.
// The "column-style" property sets the adapter which specifies styles of each table column.
// This property can be assigned or by an implementation of TableColumnStyle interface, or by an array of Params.
ColumnStyle = "column-style"
// CellStyle is the constant for the "cell-style" property tag.
// The "cell-style" property sets the adapter which specifies styles of each table cell.
// This property can be assigned only by an implementation of TableCellStyle interface.
CellStyle = "cell-style"
// CellPadding is the constant for the "cell-padding" property tag.
// The "cell-padding" Bounds property sets the padding area on all four sides of a table call at once.
// An element's padding area is the space between its content and its border.
CellPadding = "cell-padding"
// CellPaddingLeft is the constant for the "cell-padding-left" property tag.
// The "cell-padding-left" SizeUnit property sets the width of the padding area to the left of a cell content.
// An element's padding area is the space between its content and its border.
CellPaddingLeft = "cell-padding-left"
// CellPaddingRight is the constant for the "cell-padding-right" property tag.
// The "cell-padding-right" SizeUnit property sets the width of the padding area to the left of a cell content.
// An element's padding area is the space between its content and its border.
CellPaddingRight = "cell-padding-right"
// CellPaddingTop is the constant for the "cell-padding-top" property tag.
// The "cell-padding-top" SizeUnit property sets the height of the padding area to the top of a cell content.
// An element's padding area is the space between its content and its border.
CellPaddingTop = "cell-padding-top"
// CellPaddingBottom is the constant for the "cell-padding-bottom" property tag.
// The "cell-padding-bottom" SizeUnit property sets the height of the padding area to the bottom of a cell content.
CellPaddingBottom = "cell-padding-bottom"
// CellBorder is the constant for the "cell-border" property tag.
// The "cell-border" property sets a table cell's border. It sets the values of a border width, style, and color.
// This property can be assigned a value of BorderProperty type, or ViewBorder type, or BorderProperty text representation.
CellBorder = "cell-border"
// CellBorderLeft is the constant for the "cell-border-left" property tag.
// The "cell-border-left" property sets a view's left border. It sets the values of a border width, style, and color.
// This property can be assigned a value of BorderProperty type, or ViewBorder type, or BorderProperty text representation.
CellBorderLeft = "cell-border-left"
// CellBorderRight is the constant for the "cell-border-right" property tag.
// The "cell-border-right" property sets a view's right border. It sets the values of a border width, style, and color.
// This property can be assigned a value of BorderProperty type, or ViewBorder type, or BorderProperty text representation.
CellBorderRight = "cell-border-right"
// CellBorderTop is the constant for the "cell-border-top" property tag.
// The "cell-border-top" property sets a view's top border. It sets the values of a border width, style, and color.
// This property can be assigned a value of BorderProperty type, or ViewBorder type, or BorderProperty text representation.
CellBorderTop = "cell-border-top"
// CellBorderBottom is the constant for the "cell-border-bottom" property tag.
// The "cell-border-bottom" property sets a view's bottom border. It sets the values of a border width, style, and color.
// This property can be assigned a value of BorderProperty type, or ViewBorder type, or BorderProperty text representation.
CellBorderBottom = "cell-border-bottom"
// CellBorderStyle is the constant for the "cell-border-style" property tag.
// The "cell-border-style" int property sets the line style for all four sides of a table cell's border.
// Valid values are NoneLine (0), SolidLine (1), DashedLine (2), DottedLine (3), and DoubleLine (4).
CellBorderStyle = "cell-border-style"
// CellBorderLeftStyle is the constant for the "cell-border-left-style" property tag.
// The "cell-border-left-style" int property sets the line style of a table cell's left border.
// Valid values are NoneLine (0), SolidLine (1), DashedLine (2), DottedLine (3), and DoubleLine (4).
CellBorderLeftStyle = "cell-border-left-style"
// CellBorderRightStyle is the constant for the "cell-border-right-style" property tag.
// The "cell-border-right-style" int property sets the line style of a table cell's right border.
// Valid values are NoneLine (0), SolidLine (1), DashedLine (2), DottedLine (3), and DoubleLine (4).
CellBorderRightStyle = "cell-border-right-style"
// CellBorderTopStyle is the constant for the "cell-border-top-style" property tag.
// The "cell-border-top-style" int property sets the line style of a table cell's top border.
// Valid values are NoneLine (0), SolidLine (1), DashedLine (2), DottedLine (3), and DoubleLine (4).
CellBorderTopStyle = "cell-border-top-style"
// CellBorderBottomStyle is the constant for the "cell-border-bottom-style" property tag.
// The "cell-border-bottom-style" int property sets the line style of a table cell's bottom border.
// Valid values are NoneLine (0), SolidLine (1), DashedLine (2), DottedLine (3), and DoubleLine (4).
CellBorderBottomStyle = "cell-border-bottom-style"
// CellBorderWidth is the constant for the "cell-border-width" property tag.
// The "cell-border-width" property sets the line width for all four sides of a table cell's border.
CellBorderWidth = "cell-border-width"
// CellBorderLeftWidth is the constant for the "cell-border-left-width" property tag.
// The "cell-border-left-width" SizeUnit property sets the line width of a table cell's left border.
CellBorderLeftWidth = "cell-border-left-width"
// CellBorderRightWidth is the constant for the "cell-border-right-width" property tag.
// The "cell-border-right-width" SizeUnit property sets the line width of a table cell's right border.
CellBorderRightWidth = "cell-border-right-width"
// CellBorderTopWidth is the constant for the "cell-border-top-width" property tag.
// The "cell-border-top-width" SizeUnit property sets the line width of a table cell's top border.
CellBorderTopWidth = "cell-border-top-width"
// CellBorderBottomWidth is the constant for the "cell-border-bottom-width" property tag.
// The "cell-border-bottom-width" SizeUnit property sets the line width of a table cell's bottom border.
CellBorderBottomWidth = "cell-border-bottom-width"
// CellBorderColor is the constant for the "cell-border-color" property tag.
// The "cell-border-color" property sets the line color for all four sides of a table cell's border.
CellBorderColor = "cell-border-color"
// CellBorderLeftColor is the constant for the "cell-border-left-color" property tag.
// The "cell-border-left-color" property sets the line color of a table cell's left border.
CellBorderLeftColor = "cell-border-left-color"
// CellBorderRightColor is the constant for the "cell-border-right-color" property tag.
// The "cell-border-right-color" property sets the line color of a table cell's right border.
CellBorderRightColor = "cell-border-right-color"
// CellBorderTopColor is the constant for the "cell-border-top-color" property tag.
// The "cell-border-top-color" property sets the line color of a table cell's top border.
CellBorderTopColor = "cell-border-top-color"
// CellBorderBottomColor is the constant for the "cell-border-bottom-color" property tag.
// The "cell-border-bottom-color" property sets the line color of a table cell's bottom border.
CellBorderBottomColor = "cell-border-bottom-color"
// SelectionMode is the constant for the "selection-mode" property tag.
// The "selection-mode" int property sets the mode of the table elements selection.
// Valid values are NoneSelection (0), CellSelection (1), and RowSelection (2)
SelectionMode = "selection-mode"
// TableCellClickedEvent is the constant for "table-cell-clicked" property tag.
// The "table-cell-clicked" event occurs when the user clicks on a table cell.
// The main listener format: func(TableView, int, int), where the second argument is the row number,
// and third argument is the column number.
TableCellClickedEvent = "table-cell-clicked"
// TableCellSelectedEvent is the constant for "table-cell-selected" property tag.
// The "table-cell-selected" event occurs when a table cell becomes selected.
// The main listener format: func(TableView, int, int), where the second argument is the row number,
// and third argument is the column number.
TableCellSelectedEvent = "table-cell-selected"
// TableRowClickedEvent is the constant for "table-row-clicked" property tag.
// The "table-row-clicked" event occurs when the user clicks on a table row.
// The main listener format: func(TableView, int), where the second argument is the row number.
TableRowClickedEvent = "table-row-clicked"
// TableRowSelectedEvent is the constant for "table-row-selected" property tag.
// The "table-row-selected" event occurs when a table row becomes selected.
// The main listener format: func(TableView, int), where the second argument is the row number.
TableRowSelectedEvent = "table-row-selected"
// AllowSelection is the constant for the "allow-selection" property tag.
// The "allow-selection" property sets the adapter which specifies styles of each table row.
// This property can be assigned or by an implementation of TableAllowCellSelection
// or TableAllowRowSelection interface.
AllowSelection = "allow-selection"
// NoneSelection is the value of "selection-mode" property: the selection is forbidden.
NoneSelection = 0
// CellSelection is the value of "selection-mode" property: the selection of a single cell only is enabled.
CellSelection = 1
// RowSelection is the value of "selection-mode" property: the selection of a table row only is enabled.
RowSelection = 2
)
// CellIndex defines coordinates of the TableView cell
type CellIndex struct {
Row, Column int
}
// TableView - text View
type TableView interface {
View
ParanetView
ReloadTableData()
CellFrame(row, column int) Frame
content() TableAdapter
getCurrent() CellIndex
getRowStyle() TableRowStyle
getColumnStyle() TableColumnStyle
getCellStyle() TableCellStyle
}
type tableViewData struct {
viewData
cellViews []View
cellFrame []Frame
cellSelectedListener, cellClickedListener []func(TableView, int, int)
rowSelectedListener, rowClickedListener []func(TableView, int)
current CellIndex
}
type tableCellView struct {
viewData
}
// NewTableView create new TableView object and return it
func NewTableView(session Session, params Params) TableView {
view := new(tableViewData)
view.Init(session)
setInitParams(view, params)
return view
}
func newTableView(session Session) View {
return NewTableView(session, nil)
}
// Init initialize fields of TableView by default values
func (table *tableViewData) Init(session Session) {
table.viewData.Init(session)
table.tag = "TableView"
table.cellViews = []View{}
table.cellFrame = []Frame{}
table.cellSelectedListener = []func(TableView, int, int){}
table.cellClickedListener = []func(TableView, int, int){}
table.rowSelectedListener = []func(TableView, int){}
table.rowClickedListener = []func(TableView, int){}
table.current.Row = -1
table.current.Column = -1
}
func (table *tableViewData) String() string {
return getViewString(table)
}
func (table *tableViewData) normalizeTag(tag string) string {
switch tag = strings.ToLower(tag); tag {
case "top-cell-padding":
tag = CellPaddingTop
case "right-cell-padding":
tag = CellPaddingRight
case "bottom-cell-padding":
tag = CellPaddingBottom
case "left-cell-padding":
tag = CellPaddingLeft
}
return tag
}
func (table *tableViewData) Focusable() bool {
return GetTableSelectionMode(table, "") != NoneSelection
}
func (table *tableViewData) Get(tag string) any {
return table.get(table.normalizeTag(tag))
}
func (table *tableViewData) Remove(tag string) {
table.remove(table.normalizeTag(tag))
}
func (table *tableViewData) remove(tag string) {
switch tag {
case CellPaddingTop, CellPaddingRight, CellPaddingBottom, CellPaddingLeft:
table.removeBoundsSide(CellPadding, tag)
table.propertyChanged(tag)
case SelectionMode, TableVerticalAlign, Gap, CellBorder, CellPadding, RowStyle,
ColumnStyle, CellStyle, HeadHeight, HeadStyle, FootHeight, FootStyle, AllowSelection:
if _, ok := table.properties[tag]; ok {
delete(table.properties, tag)
table.propertyChanged(tag)
}
case TableCellClickedEvent:
table.cellClickedListener = []func(TableView, int, int){}
table.propertyChanged(tag)
case TableCellSelectedEvent:
table.cellSelectedListener = []func(TableView, int, int){}
table.propertyChanged(tag)
case TableRowClickedEvent:
table.rowClickedListener = []func(TableView, int){}
table.propertyChanged(tag)
case TableRowSelectedEvent:
table.rowSelectedListener = []func(TableView, int){}
table.propertyChanged(tag)
case Current:
table.current.Row = -1
table.current.Column = -1
table.propertyChanged(tag)
default:
table.viewData.remove(tag)
}
}
func (table *tableViewData) Set(tag string, value any) bool {
return table.set(table.normalizeTag(tag), value)
}
func (table *tableViewData) set(tag string, value any) bool {
if value == nil {
table.remove(tag)
return true
}
switch tag {
case Content:
switch val := value.(type) {
case TableAdapter:
table.properties[Content] = value
case [][]any:
table.properties[Content] = NewSimpleTableAdapter(val)
case [][]string:
table.properties[Content] = NewTextTableAdapter(val)
default:
notCompatibleType(tag, value)
return false
}
case TableCellClickedEvent:
listeners := table.valueToCellListeners(value)
if listeners == nil {
notCompatibleType(tag, value)
return false
}
table.cellClickedListener = listeners
case TableCellSelectedEvent:
listeners := table.valueToCellListeners(value)
if listeners == nil {
notCompatibleType(tag, value)
return false
}
table.cellSelectedListener = listeners
case TableRowClickedEvent:
listeners, ok := valueToEventListeners[TableView, int](value)
if !ok {
notCompatibleType(tag, value)
return false
} else if listeners == nil {
listeners = []func(TableView, int){}
}
table.rowClickedListener = listeners
case TableRowSelectedEvent:
listeners, ok := valueToEventListeners[TableView, int](value)
if !ok {
notCompatibleType(tag, value)
return false
} else if listeners == nil {
listeners = []func(TableView, int){}
}
table.rowSelectedListener = listeners
case CellStyle:
if style, ok := value.(TableCellStyle); ok {
table.properties[tag] = style
} else {
notCompatibleType(tag, value)
return false
}
case RowStyle:
if !table.setRowStyle(value) {
notCompatibleType(tag, value)
return false
}
case ColumnStyle:
if !table.setColumnStyle(value) {
notCompatibleType(tag, value)
return false
}
case HeadHeight, FootHeight:
switch value := value.(type) {
case string:
if isConstantName(value) {
table.properties[tag] = value
} else if n, err := strconv.Atoi(value); err == nil {
table.properties[tag] = n
} else {
ErrorLog(err.Error())
notCompatibleType(tag, value)
return false
}
default:
if n, ok := isInt(value); ok {
table.properties[tag] = n
}
}
case HeadStyle, FootStyle:
switch value := value.(type) {
case string:
table.properties[tag] = value
case Params:
if len(value) > 0 {
table.properties[tag] = value
} else {
delete(table.properties, tag)
}
case DataNode:
switch value.Type() {
case ObjectNode:
obj := value.Object()
params := Params{}
for k := 0; k < obj.PropertyCount(); k++ {
if prop := obj.Property(k); prop != nil && prop.Type() == TextNode {
params[prop.Tag()] = prop.Text()
}
}
if len(params) > 0 {
table.properties[tag] = params
} else {
delete(table.properties, tag)
}
case TextNode:
table.properties[tag] = value.Text()
default:
notCompatibleType(tag, value)
return false
}
default:
notCompatibleType(tag, value)
return false
}
case CellPadding:
if !table.setBounds(tag, value) {
return false
}
case CellPaddingTop, CellPaddingRight, CellPaddingBottom, CellPaddingLeft:
if !table.setBoundsSide(CellPadding, tag, value) {
return false
}
case Gap:
if !table.setSizeProperty(Gap, value) {
return false
}
case SelectionMode, TableVerticalAlign, CellBorder, CellBorderStyle, CellBorderColor, CellBorderWidth,
CellBorderLeft, CellBorderLeftStyle, CellBorderLeftColor, CellBorderLeftWidth,
CellBorderRight, CellBorderRightStyle, CellBorderRightColor, CellBorderRightWidth,
CellBorderTop, CellBorderTopStyle, CellBorderTopColor, CellBorderTopWidth,
CellBorderBottom, CellBorderBottomStyle, CellBorderBottomColor, CellBorderBottomWidth:
if !table.viewData.set(tag, value) {
return false
}
case AllowSelection:
switch value.(type) {
case TableAllowCellSelection:
table.properties[tag] = value
case TableAllowRowSelection:
table.properties[tag] = value
default:
notCompatibleType(tag, value)
return false
}
case Current:
switch value := value.(type) {
case int:
table.current.Row = value
table.current.Column = -1
case CellIndex:
table.current = value
case DataObject:
if row, ok := dataIntProperty(value, "row"); ok {
table.current.Row = row
}
if column, ok := dataIntProperty(value, "column"); ok {
table.current.Column = column
}
case string:
if strings.Contains(value, ",") {
if values := strings.Split(value, ","); len(values) == 2 {
var n = []int{0, 0}
for i := 0; i < 2; i++ {
var err error
if n[i], err = strconv.Atoi(values[i]); err != nil {
ErrorLog(err.Error())
return false
}
}
table.current.Row = n[0]
table.current.Column = n[1]
} else {
notCompatibleType(tag, value)
}
} else {
n, err := strconv.Atoi(value)
if err != nil {
ErrorLog(err.Error())
return false
}
table.current.Row = n
table.current.Column = -1
}
default:
notCompatibleType(tag, value)
return false
}
default:
return table.viewData.set(tag, value)
}
table.propertyChanged(tag)
return true
}
func (table *tableViewData) propertyChanged(tag string) {
if table.created {
switch tag {
case Content, TableVerticalAlign, RowStyle, ColumnStyle, CellStyle, CellPadding,
CellBorder, HeadHeight, HeadStyle, FootHeight, FootStyle,
CellPaddingTop, CellPaddingRight, CellPaddingBottom, CellPaddingLeft,
TableCellClickedEvent, TableCellSelectedEvent, TableRowClickedEvent,
TableRowSelectedEvent, AllowSelection, Current:
table.ReloadTableData()
case Gap:
htmlID := table.htmlID()
session := table.Session()
gap, ok := sizeProperty(table, Gap, session)
if !ok || gap.Type == Auto || gap.Value <= 0 {
updateCSSProperty(htmlID, "border-spacing", "0", session)
updateCSSProperty(htmlID, "border-collapse", "collapse", session)
} else {
updateCSSProperty(htmlID, "border-spacing", gap.cssString("0"), session)
updateCSSProperty(htmlID, "border-collapse", "separate", session)
}
case SelectionMode:
htmlID := table.htmlID()
session := table.Session()
switch GetTableSelectionMode(table, "") {
case CellSelection:
updateProperty(htmlID, "tabindex", "0", session)
updateProperty(htmlID, "onfocus", "tableViewFocusEvent(this, event)", session)
updateProperty(htmlID, "onblur", "tableViewBlurEvent(this, event)", session)
updateProperty(htmlID, "data-selection", "cell", session)
updateProperty(htmlID, "data-focusitemstyle", table.currentStyle(), session)
updateProperty(htmlID, "data-bluritemstyle", table.currentInactiveStyle(), session)
if table.current.Row >= 0 && table.current.Column >= 0 {
updateProperty(htmlID, "data-current", table.cellID(table.current.Row, table.current.Column), session)
} else {
removeProperty(htmlID, "data-current", session)
}
updateProperty(htmlID, "onkeydown", "tableViewCellKeyDownEvent(this, event)", session)
case RowSelection:
updateProperty(htmlID, "tabindex", "0", session)
updateProperty(htmlID, "onfocus", "tableViewFocusEvent(this, event)", session)
updateProperty(htmlID, "onblur", "tableViewBlurEvent(this, event)", session)
updateProperty(htmlID, "data-selection", "cell", session)
updateProperty(htmlID, "data-focusitemstyle", table.currentStyle(), session)
updateProperty(htmlID, "data-bluritemstyle", table.currentInactiveStyle(), session)
if table.current.Row >= 0 {
updateProperty(htmlID, "data-current", table.rowID(table.current.Row), session)
} else {
removeProperty(htmlID, "data-current", session)
}
updateProperty(htmlID, "onkeydown", "tableViewRowKeyDownEvent(this, event)", session)
default: // NoneSelection
for _, prop := range []string{"tabindex", "data-current", "onfocus", "onblur", "onkeydown", "data-selection"} {
removeProperty(htmlID, prop, session)
}
}
updateInnerHTML(htmlID, session)
}
}
table.propertyChangedEvent(tag)
}
func (table *tableViewData) currentStyle() string {
if value := table.getRaw(CurrentStyle); value != nil {
if style, ok := value.(string); ok {
if style, ok = table.session.resolveConstants(style); ok {
return style
}
}
}
if value := valueFromStyle(table, CurrentStyle); value != nil {
if style, ok := value.(string); ok {
if style, ok = table.session.resolveConstants(style); ok {
return style
}
}
}
return "ruiCurrentTableCellFocused"
}
func (table *tableViewData) currentInactiveStyle() string {
if value := table.getRaw(CurrentInactiveStyle); value != nil {
if style, ok := value.(string); ok {
if style, ok = table.session.resolveConstants(style); ok {
return style
}
}
}
if value := valueFromStyle(table, CurrentInactiveStyle); value != nil {
if style, ok := value.(string); ok {
if style, ok = table.session.resolveConstants(style); ok {
return style
}
}
}
return "ruiCurrentTableCell"
}
func (table *tableViewData) valueToCellListeners(value any) []func(TableView, int, int) {
if value == nil {
return []func(TableView, int, int){}
}
switch value := value.(type) {
case func(TableView, int, int):
return []func(TableView, int, int){value}
case func(int, int):
fn := func(_ TableView, row, column int) {
value(row, column)
}
return []func(TableView, int, int){fn}
case []func(TableView, int, int):
return value
case []func(int, int):
listeners := make([]func(TableView, int, int), len(value))
for i, val := range value {
if val == nil {
return nil
}
listeners[i] = func(_ TableView, row, column int) {
val(row, column)
}
}
return listeners
case []any:
listeners := make([]func(TableView, int, int), len(value))
for i, val := range value {
if val == nil {
return nil
}
switch val := val.(type) {
case func(TableView, int, int):
listeners[i] = val
case func(int, int):
listeners[i] = func(_ TableView, row, column int) {
val(row, column)
}
default:
return nil
}
}
return listeners
}
return nil
}
func (table *tableViewData) htmlTag() string {
return "table"
}
func (table *tableViewData) rowID(index int) string {
return fmt.Sprintf("%s-%d", table.htmlID(), index)
}
func (table *tableViewData) cellID(row, column int) string {
return fmt.Sprintf("%s-%d-%d", table.htmlID(), row, column)
}
func (table *tableViewData) htmlProperties(self View, buffer *strings.Builder) {
if content := table.content(); content != nil {
buffer.WriteString(` data-rows="`)
buffer.WriteString(strconv.Itoa(content.RowCount()))
buffer.WriteString(`" data-columns="`)
buffer.WriteString(strconv.Itoa(content.ColumnCount()))
buffer.WriteRune('"')
}
if selectionMode := GetTableSelectionMode(table, ""); selectionMode != NoneSelection {
buffer.WriteString(` onfocus="tableViewFocusEvent(this, event)" onblur="tableViewBlurEvent(this, event)" data-focusitemstyle="`)
buffer.WriteString(table.currentStyle())
buffer.WriteString(`" data-bluritemstyle="`)
buffer.WriteString(table.currentInactiveStyle())
buffer.WriteRune('"')
switch selectionMode {
case RowSelection:
buffer.WriteString(` data-selection="row" onkeydown="tableViewRowKeyDownEvent(this, event)"`)
if table.current.Row >= 0 {
buffer.WriteString(` data-current="`)
buffer.WriteString(table.rowID(table.current.Row))
buffer.WriteRune('"')
}
case CellSelection:
buffer.WriteString(` data-selection="cell" onkeydown="tableViewCellKeyDownEvent(this, event)"`)
if table.current.Row >= 0 && table.current.Column >= 0 {
buffer.WriteString(` data-current="`)
buffer.WriteString(table.cellID(table.current.Row, table.current.Column))
buffer.WriteRune('"')
}
}
}
table.viewData.htmlProperties(self, buffer)
}
func (table *tableViewData) content() TableAdapter {
if content := table.getRaw(Content); content != nil {
if adapter, ok := content.(TableAdapter); ok {
return adapter
}
}
return nil
}
func (table *tableViewData) htmlSubviews(self View, buffer *strings.Builder) {
table.cellViews = []View{}
table.cellFrame = []Frame{}
adapter := table.content()
if adapter == nil {
return
}
rowCount := adapter.RowCount()
columnCount := adapter.ColumnCount()
if rowCount == 0 || columnCount == 0 {
return
}
table.cellFrame = make([]Frame, rowCount*columnCount)
rowStyle := table.getRowStyle()
cellStyle := table.getCellStyle()
session := table.Session()
if !session.ignoreViewUpdates() {
session.setIgnoreViewUpdates(true)
defer session.setIgnoreViewUpdates(false)
}
var cssBuilder viewCSSBuilder
cssBuilder.buffer = allocStringBuilder()
defer freeStringBuilder(cssBuilder.buffer)
var view tableCellView
view.Init(session)
ignorCells := []struct{ row, column int }{}
selectionMode := GetTableSelectionMode(table, "")
var allowCellSelection TableAllowCellSelection = nil
if allow, ok := adapter.(TableAllowCellSelection); ok {
allowCellSelection = allow
}
if value := table.getRaw(AllowSelection); value != nil {
if style, ok := value.(TableAllowCellSelection); ok {
allowCellSelection = style
}
}
var allowRowSelection TableAllowRowSelection = nil
if allow, ok := adapter.(TableAllowRowSelection); ok {
allowRowSelection = allow
}
if value := table.getRaw(AllowSelection); value != nil {
if style, ok := value.(TableAllowRowSelection); ok {
allowRowSelection = style
}
}
vAlignCss := enumProperties[TableVerticalAlign].cssValues
vAlignValue := GetTableVerticalAlign(table, "")
if vAlignValue < 0 || vAlignValue >= len(vAlignCss) {
vAlignValue = 0
}
vAlign := vAlignCss[vAlignValue]
tableCSS := func(startRow, endRow int, cellTag string, cellBorder BorderProperty, cellPadding BoundsProperty) {
var namedColors []NamedColor = nil
for row := startRow; row < endRow; row++ {
cssBuilder.buffer.Reset()
if rowStyle != nil {
if styles := rowStyle.RowStyle(row); styles != nil {
view.Clear()
for tag, value := range styles {
view.Set(tag, value)
}
view.cssStyle(&view, &cssBuilder)
}
}
buffer.WriteString(`<tr id="`)
buffer.WriteString(table.rowID(row))
buffer.WriteRune('"')
if selectionMode == RowSelection {
if row == table.current.Row {
buffer.WriteString(` class="`)
if table.HasFocus() {
buffer.WriteString(table.currentStyle())
} else {
buffer.WriteString(table.currentInactiveStyle())
}
buffer.WriteRune('"')
}
buffer.WriteString(` onclick="tableRowClickEvent(this, event)"`)
if allowRowSelection != nil && !allowRowSelection.AllowRowSelection(row) {
buffer.WriteString(` data-disabled="1"`)
}
}
if cssBuilder.buffer.Len() > 0 {
buffer.WriteString(` style="`)
buffer.WriteString(cssBuilder.buffer.String())
buffer.WriteString(`"`)
}
buffer.WriteString(">")
for column := 0; column < columnCount; column++ {
ignore := false
for _, cell := range ignorCells {
if cell.row == row && cell.column == column {
ignore = true
break
}
}
if !ignore {
rowSpan := 0
columnSpan := 0
cssBuilder.buffer.Reset()
view.Clear()
if cellBorder != nil {
view.set(Border, cellBorder)
}
if cellPadding != nil {
view.set(Padding, cellPadding)
}
if cellStyle != nil {
if styles := cellStyle.CellStyle(row, column); styles != nil {
for tag, value := range styles {
valueToInt := func() int {
switch value := value.(type) {
case int:
return value
case string:
if value, ok := session.resolveConstants(value); ok {
if n, err := strconv.Atoi(value); err == nil {
return n
}
}
}
return 0
}
switch tag = strings.ToLower(tag); tag {
case RowSpan:
rowSpan = valueToInt()
case ColumnSpan:
columnSpan = valueToInt()
default:
view.set(tag, value)
}
}
}
}
if len(view.properties) > 0 {
view.cssStyle(&view, &cssBuilder)
}
buffer.WriteRune('<')
buffer.WriteString(cellTag)
buffer.WriteString(` id="`)
buffer.WriteString(table.cellID(row, column))
buffer.WriteString(`" class="ruiView`)
if selectionMode == CellSelection && row == table.current.Row && column == table.current.Column {
buffer.WriteRune(' ')
if table.HasFocus() {
buffer.WriteString(table.currentStyle())
} else {
buffer.WriteString(table.currentInactiveStyle())
}
}
buffer.WriteRune('"')
if selectionMode == CellSelection {
buffer.WriteString(` onclick="tableCellClickEvent(this, event)"`)
if allowCellSelection != nil && !allowCellSelection.AllowCellSelection(row, column) {
buffer.WriteString(` data-disabled="1"`)
}
}
if columnSpan > 1 {
buffer.WriteString(` colspan="`)
buffer.WriteString(strconv.Itoa(columnSpan))
buffer.WriteRune('"')
for c := column + 1; c < column+columnSpan; c++ {
ignorCells = append(ignorCells, struct {
row int
column int
}{row: row, column: c})
}
}
if rowSpan > 1 {
buffer.WriteString(` rowspan="`)
buffer.WriteString(strconv.Itoa(rowSpan))
buffer.WriteRune('"')
if columnSpan < 1 {
columnSpan = 1
}
for r := row + 1; r < row+rowSpan; r++ {
for c := column; c < column+columnSpan; c++ {
ignorCells = append(ignorCells, struct {
row int
column int
}{row: r, column: c})
}
}
}
if cssBuilder.buffer.Len() > 0 {
buffer.WriteString(` style="`)
buffer.WriteString(cssBuilder.buffer.String())
buffer.WriteRune('"')
}
buffer.WriteRune('>')
switch value := adapter.Cell(row, column).(type) {
case string:
buffer.WriteString(textToJS(value))
case View:
viewHTML(value, buffer)
table.cellViews = append(table.cellViews, value)
case Color:
buffer.WriteString(`<div style="display: inline; height: 1em; background-color: `)
buffer.WriteString(value.cssString())
buffer.WriteString(`">&nbsp;&nbsp;&nbsp;&nbsp;</div> `)
buffer.WriteString(value.String())
if namedColors == nil {
namedColors = NamedColors()
}
for _, namedColor := range namedColors {
if namedColor.Color == value {
buffer.WriteString(" (")
buffer.WriteString(namedColor.Name)
buffer.WriteRune(')')
break
}
}
case fmt.Stringer:
buffer.WriteString(textToJS(value.String()))
case rune:
buffer.WriteString(textToJS(string(value)))
case float32:
buffer.WriteString(fmt.Sprintf("%g", float64(value)))
case float64:
buffer.WriteString(fmt.Sprintf("%g", value))
case bool:
if value {
buffer.WriteString(session.checkboxOnImage())
} else {
buffer.WriteString(session.checkboxOffImage())
}
default:
if n, ok := isInt(value); ok {
buffer.WriteString(fmt.Sprintf("%d", n))
} else {
buffer.WriteString("<Unsupported value>")
}
}
buffer.WriteString(`</`)
buffer.WriteString(cellTag)
buffer.WriteRune('>')
}
}
buffer.WriteString("</tr>")
}
}
if columnStyle := table.getColumnStyle(); columnStyle != nil {
buffer.WriteString("<colgroup>")
for column := 0; column < columnCount; column++ {
cssBuilder.buffer.Reset()
if styles := columnStyle.ColumnStyle(column); styles != nil {
view.Clear()
for tag, value := range styles {
view.Set(tag, value)
}
view.cssStyle(&view, &cssBuilder)
}
if cssBuilder.buffer.Len() > 0 {
buffer.WriteString(`<col style="`)
buffer.WriteString(cssBuilder.buffer.String())
buffer.WriteString(`">`)
} else {
buffer.WriteString("<col>")
}
}
buffer.WriteString("</colgroup>")
}
headHeight := GetTableHeadHeight(table, "")
footHeight := GetTableFootHeight(table, "")
cellBorder := table.getCellBorder()
cellPadding := table.boundsProperty(CellPadding)
if cellPadding == nil {
if style, ok := stringProperty(table, Style, table.Session()); ok {
if style, ok := table.Session().resolveConstants(style); ok {
cellPadding = table.cellPaddingFromStyle(style)
}
}
}
headFootStart := func(htmlTag, styleTag string) (BorderProperty, BoundsProperty) {
buffer.WriteRune('<')
buffer.WriteString(htmlTag)
value := table.getRaw(styleTag)
if value == nil {
value = valueFromStyle(table, styleTag)
}
if value != nil {
switch value := value.(type) {
case string:
if style, ok := session.resolveConstants(value); ok {
buffer.WriteString(` class="`)
buffer.WriteString(style)
buffer.WriteString(`" style="vertical-align: `)
buffer.WriteString(vAlign)
buffer.WriteString(`;">`)
return table.cellBorderFromStyle(style), table.cellPaddingFromStyle(style)
}
case Params:
cssBuilder.buffer.Reset()
view.Clear()
view.Set(TableVerticalAlign, vAlignValue)
for tag, val := range value {
view.Set(tag, val)
}
var border BorderProperty = nil
if value := view.Get(CellBorder); value != nil {
border = value.(BorderProperty)
}
var padding BoundsProperty = nil
if value := view.Get(CellPadding); value != nil {
switch value := value.(type) {
case SizeUnit:
padding = NewBoundsProperty(Params{
Top: value,
Right: value,
Bottom: value,
Left: value,
})
case BoundsProperty:
padding = value
}
}
view.cssStyle(&view, &cssBuilder)
if cssBuilder.buffer.Len() > 0 {
buffer.WriteString(` style="`)
buffer.WriteString(cssBuilder.buffer.String())
buffer.WriteString(`"`)
}
buffer.WriteRune('>')
return border, padding
}
}
buffer.WriteString(` style="vertical-align: `)
buffer.WriteString(vAlign)
buffer.WriteString(`;">`)
return nil, nil
}
if headHeight > 0 {
headCellBorder := cellBorder
headCellPadding := cellPadding
if headHeight > rowCount {
headHeight = rowCount
}
border, padding := headFootStart("thead", HeadStyle)
if border != nil {
headCellBorder = border
}
if padding != nil {
headCellPadding = padding
}
tableCSS(0, headHeight, "th", headCellBorder, headCellPadding)
buffer.WriteString("</thead>")
}
if footHeight > rowCount-headHeight {
footHeight = rowCount - headHeight
}
if rowCount > footHeight+headHeight {
buffer.WriteString(`<tbody style="vertical-align: `)
buffer.WriteString(vAlign)
buffer.WriteString(`;">`)
tableCSS(headHeight, rowCount-footHeight, "td", cellBorder, cellPadding)
buffer.WriteString("</tbody>")
}
if footHeight > 0 {
footCellBorder := cellBorder
footCellPadding := cellPadding
border, padding := headFootStart("tfoot", FootStyle)
if border != nil {
footCellBorder = border
}
if padding != nil {
footCellPadding = padding
}
tableCSS(rowCount-footHeight, rowCount, "td", footCellBorder, footCellPadding)
buffer.WriteString("</tfoot>")
}
}
func (table *tableViewData) cellPaddingFromStyle(style string) BoundsProperty {
if value := table.Session().styleProperty(style, CellPadding); value != nil {
switch value := value.(type) {
case SizeUnit:
return NewBoundsProperty(Params{
Top: value,
Right: value,
Bottom: value,
Left: value,
})
case BoundsProperty:
return value
case string:
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,
})
}
}
}
}
return nil
}
func (table *tableViewData) cellBorderFromStyle(style string) BorderProperty {
if value := table.Session().styleProperty(style, CellBorder); value != nil {
if border, ok := value.(BorderProperty); ok {
return border
}
}
return nil
}
func (table *tableViewData) getCellBorder() BorderProperty {
if value := table.getRaw(CellBorder); value != nil {
if border, ok := value.(BorderProperty); ok {
return border
}
}
if style, ok := stringProperty(table, Style, table.Session()); ok {
if style, ok := table.Session().resolveConstants(style); ok {
return table.cellBorderFromStyle(style)
}
}
return nil
}
func (table *tableViewData) getCurrent() CellIndex {
return table.current
}
func (table *tableViewData) cssStyle(self View, builder cssBuilder) {
table.viewData.cssViewStyle(builder, table.Session())
gap, ok := sizeProperty(table, Gap, table.Session())
if !ok || gap.Type == Auto || gap.Value <= 0 {
builder.add("border-spacing", "0")
builder.add("border-collapse", "collapse")
} else {
builder.add("border-spacing", gap.cssString("0"))
builder.add("border-collapse", "separate")
}
}
func (table *tableViewData) ReloadTableData() {
if content := table.content(); content != nil {
updateProperty(table.htmlID(), "data-rows", strconv.Itoa(content.RowCount()), table.Session())
updateProperty(table.htmlID(), "data-columns", strconv.Itoa(content.ColumnCount()), table.Session())
}
updateInnerHTML(table.htmlID(), table.Session())
}
func (table *tableViewData) onItemResize(self View, index string, x, y, width, height float64) {
if n := strings.IndexRune(index, '-'); n > 0 {
if row, err := strconv.Atoi(index[:n]); err == nil {
if column, err := strconv.Atoi(index[n+1:]); err == nil {
if content := table.content(); content != nil {
i := row*content.ColumnCount() + column
if i < len(table.cellFrame) {
table.cellFrame[i].Left = x
table.cellFrame[i].Top = y
table.cellFrame[i].Width = width
table.cellFrame[i].Height = height
}
}
} else {
ErrorLog(err.Error())
}
} else {
ErrorLog(err.Error())
}
} else {
ErrorLogF(`Invalid cell index: %s`, index)
}
}
func (table *tableViewData) CellFrame(row, column int) Frame {
if content := table.content(); content != nil {
i := row*content.ColumnCount() + column
if i < len(table.cellFrame) {
return table.cellFrame[i]
}
}
return Frame{}
}
func (table *tableViewData) Views() []View {
return table.cellViews
}
func (table *tableViewData) handleCommand(self View, command string, data DataObject) bool {
switch command {
case "currentRow":
if row, ok := dataIntProperty(data, "row"); ok && row != table.current.Row {
table.current.Row = row
for _, listener := range table.rowSelectedListener {
listener(table, row)
}
}
case "currentCell":
if row, ok := dataIntProperty(data, "row"); ok {
if column, ok := dataIntProperty(data, "column"); ok {
if row != table.current.Row || column != table.current.Column {
table.current.Row = row
table.current.Column = column
for _, listener := range table.cellSelectedListener {
listener(table, row, column)
}
}
}
}
case "rowClick":
if row, ok := dataIntProperty(data, "row"); ok {
for _, listener := range table.rowClickedListener {
listener(table, row)
}
}
case "cellClick":
if row, ok := dataIntProperty(data, "row"); ok {
if column, ok := dataIntProperty(data, "column"); ok {
for _, listener := range table.cellClickedListener {
listener(table, row, column)
}
}
}
default:
return table.viewData.handleCommand(self, command, data)
}
return true
}