// ======================================================================================================================

//  MyPDFView.m

// ======================================================================================================================

#import "MyPDFView.h"

#import "MyWindowController.h"

@implementation MyPDFView

// ============================================================================================================ MyPDFView

// ------------------------------------------------------------------------------------------------------------- drawPage

- (void) drawPage: (PDFPage *) pdfPage

{

    NSArray         *allAnnotations;

    PDFAnnotation   *activeAnnotation;

    // Let PDFView do most of the hard work.

    [super drawPage: pdfPage];

    // Find out if an annotation is selected in the table view.

    activeAnnotation = [(MyWindowController *)[[self window] windowController] activeAnnotation];

    allAnnotations = [pdfPage annotations];

    if (allAnnotations)

    {

        unsigned int    count;

        unsigned int    i;

        BOOL            foundActive = NO;

        [self transformContextForPage: pdfPage];

        count = [allAnnotations count];

        for (i = 0; i < count; i++)

        {

            PDFAnnotation   *annotation;

            annotation = [allAnnotations objectAtIndex: i];

            if (([[annotation type] isEqualToString: @"Link"]) && ([(PDFAnnotationLink *)annotation URL] != NULL))

            {

                if (annotation == activeAnnotation)

                {

                    foundActive = YES;

                }

                else

                {

                    NSRect          bounds;

                    NSBezierPath    *path;

                    bounds = [annotation bounds];

                    path = [NSBezierPath bezierPathWithRect: bounds];

                    [path setLineJoinStyle: NSRoundLineJoinStyle];

                    [[NSColor colorWithDeviceWhite: 0.0 alpha: 0.1] set];

                    [path fill];

                    [[NSColor grayColor] set];

                    [path stroke];

                }

            }

        }

        // Draw active annotation last so it is not "painted" over.

        if (foundActive)

        {

            NSRect          bounds;

            NSBezierPath    *path;

            bounds = [activeAnnotation bounds];

            path = [NSBezierPath bezierPathWithRect: bounds];

            [path setLineJoinStyle: NSRoundLineJoinStyle];

            [[NSColor colorWithDeviceRed: 1.0 green: 0.0 blue: 0.0 alpha: 0.1] set];

            [path fill];

            [[NSColor redColor] set];

            [path stroke];

        }

    }

}

// ---------------------------------------------------------------------------------------------- transformContextForPage

- (void) transformContextForPage: (PDFPage *) page

{

    NSAffineTransform   *transform;

    NSRect              boxRect;

    boxRect = [page boundsForBox: [self displayBox]];

    transform = [NSAffineTransform transform];

    [transform translateXBy: -boxRect.origin.x yBy: -boxRect.origin.y];

    [transform concat];

}

@end