SKTDrawDocument.h
/* |
File: SKTDrawDocument.h |
Abstract: Part of the Sketch Sample Code |
Version: 1.0 |
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*/ |
#import <Cocoa/Cocoa.h> |
// The keys described down below. |
extern NSString *SKTDrawDocumentCanvasSizeKey; |
extern NSString *SKTDrawDocumentGraphicsKey; |
@interface SKTDrawDocument : NSDocument { |
@private |
// The value underlying the key-value coding (KVC) and observing (KVO) compliance described below. |
NSMutableArray *_graphics; |
/* State that's used by the undo machinery. It all gets cleared out each time the undo manager sends a checkpoint notification. _undoGroupInsertedGraphics is the set of graphics that have been inserted, if any have been inserted. _undoGroupOldPropertiesPerGraphic is a dictionary whose keys are graphics and whose values are other dictionaries, each of which contains old values of graphic properties, if graphic properties have changed. _undoGroupPresentablePropertyName is the result of invoking +[SKTGraphic presentablePropertyNameForKey:] for changed graphics, if the result of each invocation has been the same so far, nil otherwise. _undoGroupHasChangesToMultipleProperties is YES if changes have been made to more than one property, as determined by comparing the results of invoking +[SKTGraphic presentablePropertyNameForKey:] for changed graphics, NO otherwise. */ |
NSMutableSet *_undoGroupInsertedGraphics; |
NSMutableDictionary *_undoGroupOldPropertiesPerGraphic; |
NSString *_undoGroupPresentablePropertyName; |
BOOL _undoGroupHasChangesToMultipleProperties; |
} |
/* This class is KVC and KVO compliant for these keys: |
"canvasSize" (an NSSize-containing NSValue; read-only) - The size of the document's canvas. This is derived from the currently selected paper size and document margins. |
"graphics" (an NSArray of SKTGraphics; read-write) - the graphics of the document. |
In Sketch the graphics property of each SKTGraphicView is bound to the graphics property of the document whose contents its presented. Also, the graphics relationship of an SKTDrawDocument is scriptable. |
*/ |
// Return the current value of the property. |
- (NSSize)canvasSize; |
// Added for Quick Look generator |
- (void)drawDocumentInContext:(NSGraphicsContext *)context; |
@end |
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