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Add a page template func

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Fixes #9339
This commit is contained in:
Bjørn Erik Pedersen
2023-02-25 09:24:59 +01:00
parent 2662faf61f
commit ce524d0b5e
54 changed files with 436 additions and 108 deletions
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17
tpl/template.go
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@@ -59,7 +59,6 @@ type UnusedTemplatesProvider interface {
// TemplateHandler finds and executes templates.
type TemplateHandler interface {
TemplateFinder
Execute(t Template, wr io.Writer, data any) error
ExecuteWithContext(ctx context.Context, t Template, wr io.Writer, data any) error
LookupLayout(d output.LayoutDescriptor, f output.Format) (Template, bool, error)
HasTemplate(name string) bool
@@ -153,10 +152,18 @@ type TemplateFuncGetter interface {
GetFunc(name string) (reflect.Value, bool)
}
// GetDataFromContext returns the template data context (usually .Page) from ctx if set.
// NOte: This is not fully implemented yet.
func GetDataFromContext(ctx context.Context) any {
return ctx.Value(texttemplate.DataContextKey)
// GetPageFromContext returns the top level Page.
func GetPageFromContext(ctx context.Context) any {
return ctx.Value(texttemplate.PageContextKey)
}
// SetPageInContext sets the top level Page.
func SetPageInContext(ctx context.Context, p page) context.Context {
return context.WithValue(ctx, texttemplate.PageContextKey, p)
}
type page interface {
IsNode() bool
}
func GetHasLockFromContext(ctx context.Context) bool {