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rui/detailsView.go

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package rui
import "strings"
const (
// Summary is the constant for the "summary" property tag.
// The contents of the "summary" property are used as the label for the disclosure widget.
Summary = "summary"
// Expanded is the constant for the "expanded" property tag.
// If the "expanded" boolean property is "true", then the content of view is visible.
// If the value is "false" then the content is collapsed.
Expanded = "expanded"
)
// DetailsView - collapsible container of View
type DetailsView interface {
ViewsContainer
}
type detailsViewData struct {
viewsContainerData
}
// NewDetailsView create new DetailsView object and return it
func NewDetailsView(session Session, params Params) DetailsView {
view := new(detailsViewData)
view.Init(session)
setInitParams(view, params)
return view
}
func newDetailsView(session Session) View {
return NewDetailsView(session, nil)
}
// Init initialize fields of DetailsView by default values
func (detailsView *detailsViewData) Init(session Session) {
detailsView.viewsContainerData.Init(session)
detailsView.tag = "DetailsView"
//detailsView.systemClass = "ruiDetailsView"
}
func (detailsView *detailsViewData) Views() []View {
views := detailsView.viewsContainerData.Views()
if summary := detailsView.get(Summary); summary != nil {
switch summary := summary.(type) {
case View:
return append([]View{summary}, views...)
}
}
return views
}
func (detailsView *detailsViewData) Remove(tag string) {
detailsView.remove(strings.ToLower(tag))
}
func (detailsView *detailsViewData) remove(tag string) {
detailsView.viewsContainerData.remove(tag)
if detailsView.created {
switch tag {
case Summary:
updateInnerHTML(detailsView.htmlID(), detailsView.Session())
case Expanded:
removeProperty(detailsView.htmlID(), "open", detailsView.Session())
}
}
}
func (detailsView *detailsViewData) Set(tag string, value interface{}) bool {
return detailsView.set(strings.ToLower(tag), value)
}
func (detailsView *detailsViewData) set(tag string, value interface{}) bool {
if value == nil {
detailsView.remove(tag)
return true
}
switch tag {
case Summary:
switch value := value.(type) {
case string:
detailsView.properties[Summary] = value
case View:
detailsView.properties[Summary] = value
value.setParentID(detailsView.htmlID())
case DataObject:
if view := CreateViewFromObject(detailsView.Session(), value); view != nil {
detailsView.properties[Summary] = view
view.setParentID(detailsView.htmlID())
} else {
return false
}
default:
notCompatibleType(tag, value)
return false
}
if detailsView.created {
updateInnerHTML(detailsView.htmlID(), detailsView.Session())
}
case Expanded:
if !detailsView.setBoolProperty(tag, value) {
notCompatibleType(tag, value)
return false
}
if detailsView.created {
if IsDetailsExpanded(detailsView, "") {
updateProperty(detailsView.htmlID(), "open", "", detailsView.Session())
} else {
removeProperty(detailsView.htmlID(), "open", detailsView.Session())
}
}
default:
return detailsView.viewsContainerData.Set(tag, value)
}
detailsView.propertyChangedEvent(tag)
return true
}
func (detailsView *detailsViewData) Get(tag string) interface{} {
return detailsView.get(strings.ToLower(tag))
}
func (detailsView *detailsViewData) get(tag string) interface{} {
return detailsView.viewsContainerData.get(tag)
}
func (detailsView *detailsViewData) htmlTag() string {
return "details"
}
func (detailsView *detailsViewData) htmlProperties(self View, buffer *strings.Builder) {
detailsView.viewsContainerData.htmlProperties(self, buffer)
buffer.WriteString(` ontoggle="detailsEvent(this)"`)
if IsDetailsExpanded(detailsView, "") {
buffer.WriteString(` open`)
}
}
func (detailsView *detailsViewData) htmlSubviews(self View, buffer *strings.Builder) {
if value, ok := detailsView.properties[Summary]; ok {
switch value := value.(type) {
case string:
buffer.WriteString("<summary>")
buffer.WriteString(value)
buffer.WriteString("</summary>")
case View:
buffer.WriteString("<summary>")
viewHTML(value, buffer)
buffer.WriteString("</summary>")
}
}
detailsView.viewsContainerData.htmlSubviews(self, buffer)
}
func (detailsView *detailsViewData) handleCommand(self View, command string, data DataObject) bool {
if command == "details-open" {
if n, ok := dataIntProperty(data, "open"); ok {
detailsView.properties[Expanded] = (n != 0)
detailsView.propertyChangedEvent(Expanded)
}
return true
}
return detailsView.viewsContainerData.handleCommand(self, command, data)
}
// GetDetailsSummary returns a value of the Summary property of DetailsView.
// If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
func GetDetailsSummary(view View, subviewID string) View {
if subviewID != "" {
view = ViewByID(view, subviewID)
}
if view != nil {
if value := view.Get(Summary); value != nil {
switch value := value.(type) {
case string:
return NewTextView(view.Session(), Params{Text: value})
case View:
return value
}
}
}
return nil
}
// IsDetailsExpanded returns a value of the Expanded property of DetailsView.
// If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
func IsDetailsExpanded(view View, subviewID string) bool {
if subviewID != "" {
view = ViewByID(view, subviewID)
}
if view != nil {
if result, ok := boolStyledProperty(view, Expanded); ok {
return result
}
}
return false
}