/*

     File: DraggableItemView.h

 Abstract: Part of the DraggableItemView project referenced in the 

 View Programming Guide for Cocoa documentation.

  Version: 1.1

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 */

#import <Cocoa/Cocoa.h>

@interface DraggableItemView : NSView {

    NSPoint location;

    NSColor *itemColor;

    NSColor *backgroundColor;

    // private variables that track state

    BOOL dragging;

    NSPoint lastDragLocation;

}

- (id)initWithFrame:(NSRect)frame;

// -----------------------------------

// Draw the View Content

// -----------------------------------

- (void)drawRect:(NSRect)rect;

- (BOOL)isOpaque;

// -----------------------------------

// Modify the Rectange location 

// -----------------------------------

- (void)offsetLocationByX:(float)x andY:(float)y;

// -----------------------------------

// Handle Mouse Events 

// -----------------------------------

-(void)mouseDown:(NSEvent *)event;

-(void)mouseDragged:(NSEvent *)event;

-(void)mouseUp:(NSEvent *)event;

// -----------------------------------

// First Responder Methods

// -----------------------------------

- (BOOL)acceptsFirstResponder;

// -----------------------------------

// Handle KeyDown Events 

// -----------------------------------

- (void)keyDown:(NSEvent *)event;

// -----------------------------------

// Handle color changes via first responder 

// -----------------------------------

- (void)changeColor:(id)sender;

// -----------------------------------

// Reset Cursor Rects 

// -----------------------------------

-(void)resetCursorRects;

// -----------------------------------

// Handle NSResponder Actions 

// -----------------------------------

-(IBAction)moveUp:(id)sender;

-(IBAction)moveDown:(id)sender;

-(IBAction)moveLeft:(id)sender;

-(IBAction)moveRight:(id)sender;

-(IBAction)setItemPropertiesToDefault:(id)sender;

// -----------------------------------

// Various Accessor Methods

// -----------------------------------

- (void)setItemColor:(NSColor *)aColor;

- (NSColor *)itemColor;

- (void)setLocation:(NSPoint)point;

- (NSPoint)location;

- (NSRect)calculatedItemBounds;

- (void)setBackgroundColor:(NSColor *)aColor;

- (NSColor *)backgroundColor;

- (BOOL)isPointInItem:(NSPoint)testPoint;

@end