Added ReloadCell and ReloadTableViewCell functions

CHANGELOG.md

@@ -1,6 +1,8 @@
 # v0.13.0
 
 * Added ViewIndex function to ViewsContainer interface
+* Added ReloadCell function to TableView interface
+* Added ReloadTableViewCell function
 * Added "tooltip" property and GetTooltip function
 * Added "outline-offset" property and GetOutlineOffset function
 * Changed the main event listener format for "drop-down-event", "edit-text-changed", 

README-ru.md

@@ -3800,6 +3800,18 @@ Cell(row, column int) возвращает содержимое ячейки т
 
 [][]any и [][]string при присвоении преобразуются к TableAdapter.
 
+Если элементы таблицы меняются в ходе работы, то для обновления содержимого таблицы необходимо вызвать один 
+из двух методов интерфейса TableView
+
+* ReloadTableData()
+* ReloadCell(row, column int)
+
+Метод ReloadTableData обновляет таблицу целиком, а ReloadCell обновляет содержимое только конкретной ячейки таблицы.
+Для вызова методов ReloadTableData и ReloadCell могут использоваться глобальные функции
+
+	func ReloadTableViewData(view View, subviewID ...string) bool
+	func ReloadTableViewCell(row, column int, view View, subviewID ...string) bool
+
 ### Свойство "cell-style"
 
 Свойство "cell-style" (константа CellStyle) предназначено для настройки оформления ячейки таблицы. Данному свойству

README.md

@@ -3763,6 +3763,18 @@ The "content" property can also be assigned the following data types
 
 [][]any and [][]string are converted to a TableAdapter when assigned.
 
+If the elements of the table change during operation, then to update the contents of the table, 
+you must call one of the two methods of the TableView interface
+
+* ReloadTableData()
+* ReloadCell(row, column int)
+
+The ReloadTableData method updates the entire table, while ReloadCell updates the contents of only a specific table cell.
+Global functions can be used to call the ReloadTableData and ReloadCell methods
+
+	func ReloadTableViewData(view View, subviewID ...string) bool
+	func ReloadTableViewCell(row, column int, view View, subviewID ...string) bool
+
 ### "cell-style" property
 
 The "cell-style" property (CellStyle constant) is used to customize the appearance of a table cell. 

tableView.go

@@ -220,6 +220,7 @@ type TableView interface {
 	View
 	ParentView
 	ReloadTableData()
+	ReloadCell(row, column int)
 	CellFrame(row, column int) Frame
 
 	content() TableAdapter
@@ -880,7 +881,7 @@ func (table *tableViewData) htmlSubviews(self View, buffer *strings.Builder) {
 	vAlign := vAlignCss[vAlignValue]
 
 	tableCSS := func(startRow, endRow int, cellTag string, cellBorder BorderProperty, cellPadding BoundsProperty) {
-		var namedColors []NamedColor = nil
+		//var namedColors []NamedColor = nil
 
 		for row := startRow; row < endRow; row++ {
 			cssBuilder.buffer.Reset()
@@ -1042,6 +1043,8 @@ func (table *tableViewData) htmlSubviews(self View, buffer *strings.Builder) {
 					}
 					buffer.WriteRune('>')
 
+					table.writeCellHtml(adapter, row, column, buffer)
+					/*
 						switch value := adapter.Cell(row, column).(type) {
 						case string:
 							buffer.WriteString(value)
@@ -1093,6 +1096,7 @@ func (table *tableViewData) htmlSubviews(self View, buffer *strings.Builder) {
 								buffer.WriteString("<Unsupported value>")
 							}
 						}
+					*/
 
 					buffer.WriteString(`</`)
 					buffer.WriteString(cellTag)
@@ -1308,6 +1312,59 @@ func (table *tableViewData) cellPaddingFromStyle(style string) BoundsProperty {
 	return nil
 }
 
+func (table *tableViewData) writeCellHtml(adapter TableAdapter, row, column int, buffer *strings.Builder) {
+	switch value := adapter.Cell(row, column).(type) {
+	case string:
+		buffer.WriteString(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())
+
+		namedColors := NamedColors()
+		for _, namedColor := range namedColors {
+			if namedColor.Color == value {
+				buffer.WriteString(" (")
+				buffer.WriteString(namedColor.Name)
+				buffer.WriteRune(')')
+				break
+			}
+		}
+
+	case fmt.Stringer:
+		buffer.WriteString(value.String())
+
+	case rune:
+		buffer.WriteString(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(table.Session().checkboxOnImage())
+		} else {
+			buffer.WriteString(table.Session().checkboxOffImage())
+		}
+
+	default:
+		if n, ok := isInt(value); ok {
+			buffer.WriteString(fmt.Sprintf("%d", n))
+		} else {
+			buffer.WriteString("<Unsupported value>")
+		}
+	}
+}
+
 func (table *tableViewData) cellBorderFromStyle(style string) BorderProperty {
 	if value := table.Session().styleProperty(style, CellBorder); value != nil {
 		if border, ok := value.(BorderProperty); ok {
@@ -1395,6 +1452,19 @@ func (table *tableViewData) CellFrame(row, column int) Frame {
 	return Frame{}
 }
 
+func (table *tableViewData) ReloadCell(row, column int) {
+	adapter := table.content()
+	if adapter == nil {
+		return
+	}
+
+	buffer := allocStringBuilder()
+	defer freeStringBuilder(buffer)
+
+	table.writeCellHtml(adapter, row, column, buffer)
+	table.session.updateInnerHTML(table.cellID(row, column), buffer.String())
+}
+
 func (table *tableViewData) Views() []View {
 	return table.cellViews
 }

tableViewUtils.go

@@ -182,6 +182,7 @@ func GetTableRowSelectedListeners(view View, subviewID ...string) []func(TableVi
 }
 
 // ReloadTableViewData updates TableView
+// If the second argument (subviewID) is not specified or it is "" then updates the first argument (TableView).
 func ReloadTableViewData(view View, subviewID ...string) bool {
 	var tableView TableView
 	if len(subviewID) > 0 && subviewID[0] != "" {
@@ -198,3 +199,22 @@ func ReloadTableViewData(view View, subviewID ...string) bool {
 	tableView.ReloadTableData()
 	return true
 }
+
+// ReloadTableViewCell updates the given table cell.
+// If the last argument (subviewID) is not specified or it is "" then updates the cell of the first argument (TableView).
+func ReloadTableViewCell(row, column int, view View, subviewID ...string) bool {
+	var tableView TableView
+	if len(subviewID) > 0 && subviewID[0] != "" {
+		if tableView = TableViewByID(view, subviewID[0]); tableView == nil {
+			return false
+		}
+	} else {
+		var ok bool
+		if tableView, ok = view.(TableView); !ok {
+			return false
+		}
+	}
+
+	tableView.ReloadCell(row, column)
+	return true
+}

tabsLayout.go

@@ -566,7 +566,22 @@ func (tabsLayout *tabsLayoutData) IsListItemEnabled(index int) bool {
 	return true
 }
 
-func (tabsLayout *tabsLayoutData) updateContent(view View, tag string) {
+func (tabsLayout *tabsLayoutData) updateTitle(view View, tag string) {
+	session := tabsLayout.session
+	title, _ := stringProperty(view, Title, session)
+	if !GetNotTranslate(tabsLayout) {
+		title, _ = session.GetString(title)
+	}
+	session.updateInnerHTML(view.htmlID()+"-title", title)
+}
+
+func (tabsLayout *tabsLayoutData) updateIcon(view View, tag string) {
+	session := tabsLayout.session
+	icon, _ := stringProperty(view, Icon, session)
+	session.updateProperty(view.htmlID()+"-icon", "src", icon)
+}
+
+func (tabsLayout *tabsLayoutData) updateTabCloseButton(view View, tag string) {
 	updateInnerHTML(tabsLayout.htmlID(), tabsLayout.session)
 }
 
@@ -577,9 +592,9 @@ func (tabsLayout *tabsLayoutData) Append(view View) {
 	}
 	if view != nil {
 		tabsLayout.viewsContainerData.Append(view)
-		view.SetChangeListener(Title, tabsLayout.updateContent)
-		view.SetChangeListener(Icon, tabsLayout.updateContent)
-		view.SetChangeListener(TabCloseButton, tabsLayout.updateContent)
+		view.SetChangeListener(Title, tabsLayout.updateTitle)
+		view.SetChangeListener(Icon, tabsLayout.updateIcon)
+		view.SetChangeListener(TabCloseButton, tabsLayout.updateTabCloseButton)
 		if len(tabsLayout.views) == 1 {
 			tabsLayout.properties[Current] = 0
 			for _, listener := range tabsLayout.tabListener {
@@ -601,9 +616,9 @@ func (tabsLayout *tabsLayoutData) Insert(view View, index int) {
 			defer tabsLayout.propertyChangedEvent(Current)
 		}
 		tabsLayout.viewsContainerData.Insert(view, index)
-		view.SetChangeListener(Title, tabsLayout.updateContent)
-		view.SetChangeListener(Icon, tabsLayout.updateContent)
-		view.SetChangeListener(TabCloseButton, tabsLayout.updateContent)
+		view.SetChangeListener(Title, tabsLayout.updateTitle)
+		view.SetChangeListener(Icon, tabsLayout.updateIcon)
+		view.SetChangeListener(TabCloseButton, tabsLayout.updateTabCloseButton)
 	}
 }
 
@@ -721,7 +736,7 @@ func (tabsLayout *tabsLayoutData) htmlSubviews(self View, buffer *strings.Builde
 		notTranslate := GetNotTranslate(tabsLayout)
 		closeButton, _ := boolProperty(tabsLayout, TabCloseButton, tabsLayout.session)
 
-		var tabStyle, titleDiv string
+		var tabStyle, titleStyle string
 		switch location {
 		case LeftTabs, RightTabs:
 			tabStyle = `display: grid; grid-template-rows: auto 1fr auto; align-items: center; justify-items: center; grid-row-gap: 8px;`
@@ -735,13 +750,13 @@ func (tabsLayout *tabsLayoutData) htmlSubviews(self View, buffer *strings.Builde
 
 		switch location {
 		case LeftTabs:
-			titleDiv = `<div style="writing-mode: vertical-lr; transform: rotate(180deg); grid-row-start: 2; grid-row-end: 3; grid-column-start: 1; grid-column-end: 2;">`
+			titleStyle = ` style="writing-mode: vertical-lr; transform: rotate(180deg); grid-row-start: 2; grid-row-end: 3; grid-column-start: 1; grid-column-end: 2;">`
 
 		case RightTabs:
-			titleDiv = `<div style="writing-mode: vertical-lr; grid-row-start: 2; grid-row-end: 3; grid-column-start: 1; grid-column-end: 2;">`
+			titleStyle = ` style="writing-mode: vertical-lr; grid-row-start: 2; grid-row-end: 3; grid-column-start: 1; grid-column-end: 2;">`
 
 		default:
-			titleDiv = `<div style="grid-row-start: 1; grid-row-end: 2; grid-column-start: 2; grid-column-end: 3;">`
+			titleStyle = ` style="grid-row-start: 1; grid-row-end: 2; grid-column-start: 2; grid-column-end: 3;">`
 		}
 
 		for n, view := range tabsLayout.views {
@@ -780,21 +795,26 @@ func (tabsLayout *tabsLayoutData) htmlSubviews(self View, buffer *strings.Builde
 			buffer.WriteString(`">`)
 
 			if icon != "" {
+				buffer.WriteString(`<img id="`)
+				buffer.WriteString(view.htmlID())
 				switch location {
 				case LeftTabs:
-					buffer.WriteString(`<img style="grid-row-start: 3; grid-row-end: 4; grid-column-start: 1; grid-column-end: 2;" src="`)
+					buffer.WriteString(`-icon" style="grid-row-start: 3; grid-row-end: 4; grid-column-start: 1; grid-column-end: 2;" src="`)
 
 				case RightTabs:
-					buffer.WriteString(`<img style="grid-row-start: 1; grid-row-end: 2; grid-column-start: 1; grid-column-end: 2;" src="`)
+					buffer.WriteString(`-icon" style="grid-row-start: 1; grid-row-end: 2; grid-column-start: 1; grid-column-end: 2;" src="`)
 
 				default:
-					buffer.WriteString(`<img style="grid-row-start: 1; grid-row-end: 2; grid-column-start: 1; grid-column-end: 2;" src="`)
+					buffer.WriteString(`-icon" style="grid-row-start: 1; grid-row-end: 2; grid-column-start: 1; grid-column-end: 2;" src="`)
 				}
 				buffer.WriteString(icon)
 				buffer.WriteString(`">`)
 			}
 
-			buffer.WriteString(titleDiv)
+			buffer.WriteString(`<div id="`)
+			buffer.WriteString(view.htmlID())
+			buffer.WriteString(`-title"`)
+			buffer.WriteString(titleStyle)
 			buffer.WriteString(title)
 			buffer.WriteString(`</div>`)