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Add GetContext method for exporting the outline tree node context

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This commit is contained in:
Adrian-George Bostan 2020-01-15 19:42:16 +02:00
parent 3e66280dbf
commit 2c395a6598
1 changed files with 11 additions and 13 deletions
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24
model/outlines.go
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@ -185,8 +185,10 @@ func (r *PdfReader) newPdfOutlineItemFromIndirectObject(container *core.PdfIndir
return item, nil return item, nil
} }
// Get the outer object of the tree node (Outline or OutlineItem). // GetContext returns the context of the outline tree node, which is either a
func (n *PdfOutlineTreeNode) getOuter() PdfModel { // *PdfOutline or a *PdfOutlineItem. The method returns null for uninitialized
// tree nodes.
func (n *PdfOutlineTreeNode) GetContext() PdfModel {
if outline, isOutline := n.context.(*PdfOutline); isOutline { if outline, isOutline := n.context.(*PdfOutline); isOutline {
return outline return outline
} }
@ -200,12 +202,12 @@ func (n *PdfOutlineTreeNode) getOuter() PdfModel {
// GetContainingPdfObject returns the container of the outline tree node (indirect object). // GetContainingPdfObject returns the container of the outline tree node (indirect object).
func (n *PdfOutlineTreeNode) GetContainingPdfObject() core.PdfObject { func (n *PdfOutlineTreeNode) GetContainingPdfObject() core.PdfObject {
return n.getOuter().GetContainingPdfObject() return n.GetContext().GetContainingPdfObject()
} }
// ToPdfObject returns the PDF representation of the outline tree node. // ToPdfObject returns the PDF representation of the outline tree node.
func (n *PdfOutlineTreeNode) ToPdfObject() core.PdfObject { func (n *PdfOutlineTreeNode) ToPdfObject() core.PdfObject {
return n.getOuter().ToPdfObject() return n.GetContext().ToPdfObject()
} }
// GetContainingPdfObject returns the container of the outline (indirect object). // GetContainingPdfObject returns the container of the outline (indirect object).
@ -225,12 +227,11 @@ func (o *PdfOutline) ToPdfObject() core.PdfObject {
} }
if o.Last != nil { if o.Last != nil {
dict.Set("Last", o.Last.getOuter().GetContainingPdfObject()) dict.Set("Last", o.Last.GetContext().GetContainingPdfObject())
//PdfObjectConverterCache[o.Last.getOuter()]
} }
if o.Parent != nil { if o.Parent != nil {
dict.Set("Parent", o.Parent.getOuter().GetContainingPdfObject()) dict.Set("Parent", o.Parent.GetContext().GetContainingPdfObject())
} }
if o.Count != nil { if o.Count != nil {
@ -284,16 +285,13 @@ func (oi *PdfOutlineItem) ToPdfObject() core.PdfObject {
dict.Set("First", oi.First.ToPdfObject()) dict.Set("First", oi.First.ToPdfObject())
} }
if oi.Prev != nil { if oi.Prev != nil {
dict.Set("Prev", oi.Prev.getOuter().GetContainingPdfObject()) dict.Set("Prev", oi.Prev.GetContext().GetContainingPdfObject())
//PdfObjectConverterCache[oi.Prev.getOuter()]
} }
if oi.Last != nil { if oi.Last != nil {
dict.Set("Last", oi.Last.getOuter().GetContainingPdfObject()) dict.Set("Last", oi.Last.GetContext().GetContainingPdfObject())
// PdfObjectConverterCache[oi.Last.getOuter()]
} }
if oi.Parent != nil { if oi.Parent != nil {
dict.Set("Parent", oi.Parent.getOuter().GetContainingPdfObject()) dict.Set("Parent", oi.Parent.GetContext().GetContainingPdfObject())
//PdfObjectConverterCache[oi.Parent.getOuter()]
} }
return container return container