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rui/textView.go

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package rui
import (
"fmt"
"strings"
)
// TextView - text View
type TextView interface {
View
}
type textViewData struct {
viewData
}
// NewTextView create new TextView object and return it
func NewTextView(session Session, params Params) TextView {
view := new(textViewData)
view.init(session)
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setInitParams(view, params)
return view
}
func newTextView(session Session) View {
return NewTextView(session, nil)
}
// Init initialize fields of TextView by default values
func (textView *textViewData) init(session Session) {
textView.viewData.init(session)
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textView.tag = "TextView"
}
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func (textView *textViewData) String() string {
return getViewString(textView)
}
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func (textView *textViewData) Get(tag string) any {
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return textView.get(strings.ToLower(tag))
}
func (textView *textViewData) Remove(tag string) {
textView.remove(strings.ToLower(tag))
}
func (textView *textViewData) remove(tag string) {
textView.viewData.remove(tag)
if textView.created {
switch tag {
case Text:
updateInnerHTML(textView.htmlID(), textView.session)
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case TextOverflow:
textView.textOverflowUpdated()
}
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}
}
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func (textView *textViewData) Set(tag string, value any) bool {
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return textView.set(strings.ToLower(tag), value)
}
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func (textView *textViewData) set(tag string, value any) bool {
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switch tag {
case Text:
switch value := value.(type) {
case string:
textView.properties[Text] = value
case fmt.Stringer:
textView.properties[Text] = value.String()
case float32:
textView.properties[Text] = fmt.Sprintf("%g", float64(value))
case float64:
textView.properties[Text] = fmt.Sprintf("%g", value)
case []rune:
textView.properties[Text] = string(value)
case bool:
if value {
textView.properties[Text] = "true"
} else {
textView.properties[Text] = "false"
}
default:
if n, ok := isInt(value); ok {
textView.properties[Text] = fmt.Sprintf("%d", n)
} else {
notCompatibleType(tag, value)
return false
}
}
if textView.created {
updateInnerHTML(textView.htmlID(), textView.session)
}
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case TextOverflow:
if !textView.viewData.set(tag, value) {
return false
}
if textView.created {
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textView.textOverflowUpdated()
}
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case NotTranslate:
if !textView.viewData.set(tag, value) {
return false
}
if textView.created {
updateInnerHTML(textView.htmlID(), textView.Session())
}
default:
return textView.viewData.set(tag, value)
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}
textView.propertyChangedEvent(tag)
return true
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}
func (textView *textViewData) textOverflowUpdated() {
session := textView.Session()
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if n, ok := enumProperty(textView, TextOverflow, session, 0); ok {
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values := enumProperties[TextOverflow].cssValues
if n >= 0 && n < len(values) {
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session.updateCSSProperty(textView.htmlID(), TextOverflow, values[n])
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return
}
}
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session.updateCSSProperty(textView.htmlID(), TextOverflow, "")
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}
func (textView *textViewData) htmlSubviews(self View, buffer *strings.Builder) {
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if value := textView.getRaw(Text); value != nil {
if text, ok := value.(string); ok {
if !GetNotTranslate(textView) {
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text, _ = textView.session.GetString(text)
}
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buffer.WriteString(text)
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}
}
}
// GetTextOverflow returns a value of the "text-overflow" property:
// TextOverflowClip (0) or TextOverflowEllipsis (1).
// If the second argument (subviewID) is not specified or it is "" then a value from the first argument (view) is returned.
func GetTextOverflow(view View, subviewID ...string) int {
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return enumStyledProperty(view, subviewID, TextOverflow, SingleLineText, false)
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}