PDAnnotatedRulerView.m

//
//  PDAnnotatedRulerView.m
//  SproutedInterface
//
//  Created by Philip Dow on 5/23/07.
//  Copyright Sprouted. All rights reserved.
//	Inquiries should be directed to developer@journler.com
//

#import <SproutedInterface/PDAnnotatedRulerView.h>

// Ruler thickness value
#define RULER_THICKNESS					25

// Margin of displaying bookmarked line in a context menu.
#define STRIP_PREVIEW_MARGIN			15

// Default
#define DEFAULT_OPTION					MNParagraphNumber | MNDrawBookmarks

@implementation PDAnnotatedRulerView

- (id)initWithScrollView:(NSScrollView *)aScrollView orientation:(NSRulerOrientation)orientation
{
	
	if ( self = [super initWithScrollView:(NSScrollView *)aScrollView orientation:(NSRulerOrientation)orientation])
	{		
		[self setScrollView:aScrollView];
		[self setOrientation:orientation];
		
		//load nib
		//[NSBundle loadNibNamed:@"PDAnnotatedRuler"  owner:self];
		
		
		
		// Set default width
		[self setRuleThickness:RULER_THICKNESS];
		
		// Marker config
		[self setReservedThicknessForMarkers:0];
		[self setClientView:self]; // Markers ask me if I can add a marker.
		
		// Add a dummy marker to draw properly
		
		markerImage = [[NSImage alloc] initByReferencingFile:
			[[NSBundle bundleForClass:[self class]] pathForResource:@"prioritymedium" ofType:@"tiff"]];
		
		NSRulerMarker* aMarker = [self newMarker];
		[self addMarker:aMarker];
		[self removeMarker:aMarker];
		
		
		// Set letter attributes
		marginAttributes = [[NSMutableDictionary alloc] init];
		[marginAttributes setObject:[NSFont labelFontOfSize:9] forKey: NSFontAttributeName];
		[marginAttributes setObject:[NSColor darkGrayColor] forKey: NSForegroundColorAttributeName];
		
		rulerOption = DEFAULT_OPTION;
		
		markerDeleteReservationFlag = NO;
		
		//
		textView = [aScrollView documentView];
		layoutManager = [textView layoutManager];
		
		[[NSNotificationCenter defaultCenter] addObserver:self 
												 selector:@selector(windowDidUpdate:)
													 name:NSWindowDidUpdateNotification
												   object:[aScrollView window]];
	
	[self setOption:MNDrawBookmarks];
	
	}
	
    return self;
}

#pragma mark -

- (void)drawMarkersInRect:(NSRect)aRect
{	
	//NSLog(@"drawMarkersInRect %@",NSStringFromRect(aRect));
	
	if( (rulerOption & 0x10) == 0 )
		return;
	
	
	
	
	// *** (0) remove existing markers ***
	// Delete markers unless while dragging.
	
	NSArray* existingMarkers = [self markers];
	
	unsigned hoge = 0;
	for( hoge = 0; hoge < [existingMarkers count]; hoge++)
	{
		if( ! [[existingMarkers objectAtIndex:hoge] isDragging] )
			[self removeMarker:[existingMarkers objectAtIndex:hoge]];
		
	}
	
	
	
	
	// Only get the visible part of the scroller view
	NSRect documentVisibleRect = [[[layoutManager firstTextView] enclosingScrollView] documentVisibleRect];
	
	// Find the glyph range for the visible glyphs
	NSRange glyphRange = [layoutManager glyphRangeForBoundingRect: documentVisibleRect inTextContainer: [textView textContainer]];
	
	NSRange charRange = [layoutManager characterRangeForGlyphRange:glyphRange actualGlyphRange:NULL];
	
	NSRange limitRange;
	NSRange effectiveRange;
	
	limitRange = charRange;
	
	while (limitRange.length > 0) {
	
	//for( hoge= charRange.location; hoge < NSMaxRange(charRange) ; hoge ++ )
	//{
	
		hoge = limitRange.location;
		
		id attribute = [[textView textStorage] attribute:NSToolTipAttributeName
				atIndex:limitRange.location longestEffectiveRange:&effectiveRange
				inRange:limitRange];
		
		if ( attribute != nil )
		{
		//if ( [[textView textStorage] hasBookmarkAtIndex:hoge inTextView:textView effectiveRange:effectiveRange]  )
		//{
			
			//NSRange paragraphRange = 
			//[textView selectionRangeForProposedRange:NSMakeRange(hoge, 1) granularity:NSSelectByParagraph];
			
			
			
			//unsigned glyphIndex = [layoutManager glyphRangeForCharacterRange:NSMakeRange(paragraphRange.location,1)
			//											actualCharacterRange:NULL].location;
			
						
			unsigned glyphIndex = [layoutManager glyphRangeForCharacterRange:NSMakeRange(hoge,1)
														actualCharacterRange:NULL].location;
			
			NSRect drawingRect = [layoutManager lineFragmentRectForGlyphAtIndex:glyphIndex effectiveRange: NULL];
			drawingRect.size.height = [markerImage size].height;
			
			[self drawMarkerInRect:drawingRect ];
			
			
			
		}
		
		limitRange = NSMakeRange(NSMaxRange(effectiveRange), NSMaxRange(limitRange) - NSMaxRange(effectiveRange));
	}
	
	
	
}

-(void)drawMarkerInRect:(NSRect)lineRect 
	// check if a marker should be drawn and draw it if necessary
{
	
	lineRect =  [textView convertRect:lineRect toView:self];
	
	
	NSArray* markerObjects = [self markers];
	unsigned hoge;
	BOOL exist = NO;
	for(hoge = 0; hoge < [markerObjects count]; hoge++)
	{
		//get represented object
		NSRulerMarker* marker = [markerObjects objectAtIndex:hoge];
		
		
		if( [[marker representedObject] isEqualToString:NSStringFromRect(lineRect) ] )
		{
			//if( ! [marker isDragging] )
			//	[marker setMarkerLocation: lineRect.origin.y + (lineRect.size.height / 2)  ];		
			[[[self scrollView] backgroundColor] set];
			NSRectFillUsingOperation(lineRect, NSCompositeSourceOver);
			
			[marker drawRect:lineRect];
			
			exist = YES;
		}
		
		
	}
	
	if( exist == NO )
	{
		
		NSRulerMarker* aMarker = [self newMarker];
		[aMarker setMarkerLocation: lineRect.origin.y + (lineRect.size.height / 2)  ];
		
		[[[self scrollView] backgroundColor] set];
		NSRectFillUsingOperation(lineRect, NSCompositeSourceOver);
		[aMarker drawRect:lineRect];
		
		[aMarker setMovable:YES];
		[aMarker setRemovable:YES];
		[aMarker setRepresentedObject: NSStringFromRect(lineRect) ];
		[self addMarker:aMarker];
		
	}
}


#pragma mark -

- (void)mouseDown:(NSEvent *)theEvent
{
	return;
}

- (void)mouseUp:(NSEvent *)theEvent
{
	return;
}

- (void)mouseDragged:(NSEvent *)theEvent
{
	return;
}

@end