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move "hidden" constructor from api.nas to api/canvas.nas; add destructor support

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This commit is contained in:
Henning Stahlke 2020-04-28 14:15:28 +02:00 committed by James Turner
parent 3892d2eddd
commit e16bf79e91
2 changed files with 14 additions and 8 deletions
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11
Nasal/canvas/api.nas
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@ -39,13 +39,10 @@ Group._element_factories = {
io.include(include_path~"canvas.nas");
# @param g Canvas ghost
var wrapCanvas = func(g)
{
if( g != nil and g._impl == nil )
g._impl = {
parents: [PropertyElement, Canvas],
_node: props.wrapNode(g._node_ghost)
};
var wrapCanvas = func(g) {
if (g != nil and g._impl == nil) {
g._impl = Canvas._new(g);
}
return g;
}

9
Nasal/canvas/api/canvas.nas
View file

@ -5,6 +5,15 @@
# not to be confused with the namespace canvas (case sensitive!)
#
var Canvas = {
# private helper for wrapCanvas;
_new: func(canvas_ghost) {
var obj = {
parents: [Canvas, PropertyElement],
_node: props.wrapNode(canvas_ghost._node_ghost),
};
return obj;
},
# Place this canvas somewhere onto the object. Pass criterions for placement
# as a hash, eg:
#