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rui/progressBar.go

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package rui
import (
"strconv"
"strings"
)
const (
ProgressBarMax = "progress-max"
ProgressBarValue = "progress-value"
)
// ProgressBar - ProgressBar view
type ProgressBar interface {
View
}
type progressBarData struct {
viewData
}
// NewProgressBar create new ProgressBar object and return it
func NewProgressBar(session Session, params Params) ProgressBar {
view := new(progressBarData)
view.Init(session)
setInitParams(view, params)
return view
}
func newProgressBar(session Session) View {
return NewProgressBar(session, nil)
}
func (progress *progressBarData) Init(session Session) {
progress.viewData.Init(session)
progress.tag = "ProgressBar"
}
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func (progress *progressBarData) String() string {
return getViewString(progress)
}
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func (progress *progressBarData) normalizeTag(tag string) string {
tag = strings.ToLower(tag)
switch tag {
case Max, "progress-bar-max", "progressbar-max":
return ProgressBarMax
case Value, "progress-bar-value", "progressbar-value":
return ProgressBarValue
}
return tag
}
func (progress *progressBarData) Remove(tag string) {
progress.remove(progress.normalizeTag(tag))
}
func (progress *progressBarData) remove(tag string) {
progress.viewData.remove(tag)
progress.propertyChanged(tag)
}
func (progress *progressBarData) propertyChanged(tag string) {
if progress.created {
switch tag {
case ProgressBarMax:
updateProperty(progress.htmlID(), Max, strconv.FormatFloat(GetProgressBarMax(progress, ""), 'f', -1, 32), progress.session)
case ProgressBarValue:
updateProperty(progress.htmlID(), Value, strconv.FormatFloat(GetProgressBarValue(progress, ""), 'f', -1, 32), progress.session)
}
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}
}
func (progress *progressBarData) Set(tag string, value interface{}) bool {
return progress.set(progress.normalizeTag(tag), value)
}
func (progress *progressBarData) set(tag string, value interface{}) bool {
if progress.viewData.set(tag, value) {
progress.propertyChanged(tag)
return true
}
return false
}
func (progress *progressBarData) Get(tag string) interface{} {
return progress.get(progress.normalizeTag(tag))
}
func (progress *progressBarData) htmlTag() string {
return "progress"
}
func (progress *progressBarData) htmlProperties(self View, buffer *strings.Builder) {
progress.viewData.htmlProperties(self, buffer)
buffer.WriteString(` max="`)
buffer.WriteString(strconv.FormatFloat(GetProgressBarMax(progress, ""), 'f', -1, 64))
buffer.WriteByte('"')
buffer.WriteString(` value="`)
buffer.WriteString(strconv.FormatFloat(GetProgressBarValue(progress, ""), 'f', -1, 64))
buffer.WriteByte('"')
}
// GetProgressBarMax returns the max value of ProgressBar subview.
// If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
func GetProgressBarMax(view View, subviewID string) float64 {
if subviewID != "" {
view = ViewByID(view, subviewID)
}
if view == nil {
return 0
}
result, ok := floatStyledProperty(view, ProgressBarMax, 1)
if !ok {
result, _ = floatStyledProperty(view, Max, 1)
}
return result
}
// GetProgressBarValue returns the value of ProgressBar subview.
// If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
func GetProgressBarValue(view View, subviewID string) float64 {
if subviewID != "" {
view = ViewByID(view, subviewID)
}
if view == nil {
return 0
}
result, ok := floatStyledProperty(view, ProgressBarValue, 0)
if !ok {
result, _ = floatStyledProperty(view, Value, 0)
}
return result
}