Callback Methods
CADViewer has implemented a set of generic call-back methods when an action has been performed on the canvas or a file has loaded: :
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cvjs_OnLoadEnd() - callback when a drawing has been loaded
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cvjs_OnLoadEndRedlines() - callback when a redline has been loaded
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cvjs_graphicalObjectOnChange() - callback for any interaction on the canvas. NOTE: used for Redlines, StickyNotes and SpaceObjects
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cvjs_change_space() - callback for change of focus on Space Object
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cvjs_graphicalObjectCreated() - callback for space Object created, use vjs_graphicalObjectOnChange in general case
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cvjs_ObjectSelected() - callback for space Object selected, use vjs_graphicalObjectOnChange in general case
These Java Script callback methods must be implemented as placeholders.