ImageAndTextCell.m

/*
    ImageAndTextCell.m
    Copyright (c) 2001-2006, Apple Computer, Inc., all rights reserved.
    Author: Chuck Pisula

    Milestones:
    * 03-01-2001: Initial creation by Chuck Pisula
    * 11-04-2005: Added hitTestForEvent:inRect:ofView: for better NSOutlineView support by Corbin Dunn

    Subclass of NSTextFieldCell which can display text and an image simultaneously.
*/

/*
 IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in
 consideration of your agreement to the following terms, and your use, installation, 
 modification or redistribution of this Apple software constitutes acceptance of these 
 terms.  If you do not agree with these terms, please do not use, install, modify or 
 redistribute this Apple software.
 
 In consideration of your agreement to abide by the following terms, and subject to these 
 terms, Apple grants you a personal, non-exclusive license, under Apple’s copyrights in 
 this original Apple software (the "Apple Software"), to use, reproduce, modify and 
 redistribute the Apple Software, with or without modifications, in source and/or binary 
 forms; provided that if you redistribute the Apple Software in its entirety and without 
 modifications, you must retain this notice and the following text and disclaimers in all 
 such redistributions of the Apple Software.  Neither the name, trademarks, service marks 
 or logos of Apple Computer, Inc. may be used to endorse or promote products derived from 
 the Apple Software without specific prior written permission from Apple. Except as expressly
 stated in this notice, no other rights or licenses, express or implied, are granted by Apple
 herein, including but not limited to any patent rights that may be infringed by your 
 derivative works or by other works in which the Apple Software may be incorporated.
 
 The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO WARRANTIES, 
 EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, 
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS 
 USE AND OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
 
 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL 
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 
 OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, 
 REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND 
 WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR 
 OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#import <Cocoa/Cocoa.h>
#import "ImageAndTextCell.h"
#import <AppKit/NSCell.h>

#import "MWExperimentTreeController.h"

@implementation ImageAndTextCell

- (id)init {
    if (self = [super init]) {
        [self setLineBreakMode:NSLineBreakByTruncatingTail];
        [self setSelectable:YES];
    }
	
	alternateString = Nil;
	
	[self setDrawsBackground:YES];
    return self;
}

- (void)dealloc {
    [image release];
    [super dealloc];
}

- (id)copyWithZone:(NSZone *)zone {
    ImageAndTextCell *cell = (ImageAndTextCell *)[super copyWithZone:zone];
    // The image ivar will be directly copied; we need to retain or copy it.
    cell->image = [image retain];
    return cell;
}

- (void)setAccessoryImage:(NSImage *)anImage {
    if (anImage != image) {
        [image release];
        image = [anImage retain];
    }
}

- (NSImage *)accessoryImage {
    return image;
}

- (void)setAlternateString:(NSString *)string{
	alternateString = string;
}

- (NSString *)alternateString {
	return alternateString;
}

- (NSRect)imageRectForBounds:(NSRect)cellFrame {

	float yOffset = 0-cellFrame.origin.y;

    NSRect result;
    if (image != nil) {
		result = NSMakeRect(cellFrame.origin.x+5,yOffset+3,cellFrame.size.height-6, cellFrame.size.height-6);
	
        /*result.size = [image size];
        result.origin = cellFrame.origin;
        result.origin.x += 3;
        result.origin.y += ceil((cellFrame.size.height - result.size.height) / 2);*/
    } else {
        result = NSZeroRect;
    }
    return result;
}

// We could manually implement expansionFrameWithFrame:inView: and drawWithExpansionFrame:inView: or just properly implement titleRectForBounds to get expansion tooltips to automatically work for us
- (NSRect)titleRectForBounds:(NSRect)cellFrame {
    NSRect result;
    if (image != nil) {
        CGFloat imageWidth = [image size].width;
        result = cellFrame;
        result.origin.x += (3 + imageWidth);
        result.size.width -= (3 + imageWidth);
    } else {
        result = NSZeroRect;
    }
    return result;
}


- (void)editWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject event:(NSEvent *)theEvent {
    NSRect textFrame, imageFrame;
    NSDivideRect (aRect, &imageFrame, &textFrame, [image size].width, NSMinXEdge);

	textFrame.origin.y += 3;
	textFrame.size.height -= 3;
	[super editWithFrame: textFrame inView: controlView editor:textObj delegate:anObject event: theEvent];
}

- (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject start:(NSInteger)selStart length:(NSInteger)selLength {
    NSRect textFrame, imageFrame;
    NSDivideRect (aRect, &imageFrame, &textFrame, 10 + [image size].width, NSMinXEdge);
    
	textFrame.origin.y += 3;
	textFrame.size.height -= 3;
	
	[super selectWithFrame: textFrame inView: controlView editor:textObj delegate:anObject start:selStart length:selLength];
}


- (void)setRepresented:(NSXMLElement *)rep{
	represented = rep;
}


/*- (NSColor *)highlightColorWithFrame:(NSRect)cellFrame inView:(NSView *)controlView{
	
	NSObject *element = represented;
	NSColor *primaryColor;
	
	if(![[element valueForKey:@"_error"] isEqualToString:@"Undefined"]){
		primaryColor = [NSColor colorWithDeviceRed:1.0 green:0.0 blue:0.0 alpha:1.0];
	} else if([self isHighlighted]){
		primaryColor = [NSColor selectedControlColor];
	} else {
		primaryColor = [NSColor colorWithDeviceRed:0.0 green:0.0 blue:0.0 alpha:0.0];
	}
	
	return primaryColor;

}*/


- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
{
    if (image != nil)
  {
        NSSize  imageSize;
        NSRect  imageFrame;

        imageSize = [image size];
        NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinXEdge);
        if ([self drawsBackground])
    {
            [[self backgroundColor] set];
            NSRectFill(imageFrame);
        }
        imageFrame.origin.x += 3;
        imageFrame.size = imageSize;

        if ([controlView isFlipped])
            imageFrame.origin.y += ceil((cellFrame.size.height + imageFrame.size.height) / 2);
        else
            imageFrame.origin.y += ceil((cellFrame.size.height - imageFrame.size.height) / 2);

        [image compositeToPoint:imageFrame.origin operation:NSCompositeSourceOver];
    }
	
	int yoffset = 0;
	cellFrame.origin.y += yoffset;
	cellFrame.size.height -= yoffset;
	
    [super drawWithFrame:cellFrame inView:controlView];
}


/*- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView {
	//[self setTextColor:[NSColor blackColor]];

	NSObject *element = represented;
	
	
	
		
	//TODO: Selection with gradient and selection color in white with shadow
	// check out http://www.cocoadev.com/index.pl?NSTableView
		
	
	
	NSColor *primaryColor;

	//NSLog(@"drawing (error = %@)", [element valueForKey:@"_error"]);
	

	BOOL hasFocus = ([self state] == NSOnState) ;
	
	

	if(![self isEnabled]){
		primaryColor = [NSColor disabledControlTextColor] ;
	} else if(element != Nil && ![[element valueForKey:@"_error"] isEqualToString:@"Undefined"]){
		primaryColor = [NSColor colorWithDeviceRed:1.0 green:0.0 blue:0.0 alpha:1.0];
	} else if([self isHighlighted]){
		//primaryColor = [self textColor];
		NSColor *color = [self backgroundColor];
		NSLog(@"color = %d", color);
		primaryColor = [NSColor alternateSelectedControlTextColor];
	} else {
		primaryColor = [NSColor textColor];
	}

//	NSColor* primaryColor   = [self isHighlighted] ? [NSColor alternateSelectedControlTextColor] : (elementDisabled? [NSColor disabledControlTextColor] : [NSColor textColor]);
	NSString* primaryText;
	
	if([self alternateString] != Nil){
		primaryText = [self alternateString];
	} else {
		primaryText = [self objectValue];
	}
	
	if(primaryText != Nil){
	
		NSDictionary* primaryTextAttributes = [NSDictionary dictionaryWithObjectsAndKeys: primaryColor, NSForegroundColorAttributeName,
			[NSFont systemFontOfSize:13], NSFontAttributeName, nil];	
		[primaryText drawAtPoint:NSMakePoint(cellFrame.origin.x+cellFrame.size.height+10, cellFrame.origin.y + 2) withAttributes:primaryTextAttributes];
	}
	
	
	[[NSGraphicsContext currentContext] saveGraphicsState];
	float yOffset = cellFrame.origin.y;
	if ([controlView isFlipped]) {
		NSAffineTransform* xform = [NSAffineTransform transform];
		[xform translateXBy:0.0 yBy: cellFrame.size.height];
		[xform scaleXBy:1.0 yBy:-1.0];
		[xform concat];		
		yOffset = 0-cellFrame.origin.y;
	}	
	NSImage* icon = [self image];	
	
	NSImageInterpolation interpolation = [[NSGraphicsContext currentContext] imageInterpolation];
	[[NSGraphicsContext currentContext] setImageInterpolation: NSImageInterpolationHigh];	
	
	[icon drawInRect: [self imageRectForBounds:cellFrame] //NSMakeRect(cellFrame.origin.x+5,yOffset+3,cellFrame.size.height-6, cellFrame.size.height-6)
			fromRect:NSMakeRect(0,0,[icon size].width, [icon size].height)
		   operation:NSCompositeSourceOver
			fraction:1.0];
	
	[[NSGraphicsContext currentContext] setImageInterpolation: interpolation];
	
	[[NSGraphicsContext currentContext] restoreGraphicsState];	
}

- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView {
    if (image != nil) {
        NSRect	imageFrame;
        NSSize imageSize = [image size];
        NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinXEdge);
        if ([self drawsBackground]) {
            [[self backgroundColor] set];
            NSRectFill(imageFrame);
        }
        imageFrame.origin.x += 3;
        imageFrame.size = imageSize;

        if ([controlView isFlipped])
            imageFrame.origin.y += ceil((cellFrame.size.height + imageFrame.size.height) / 2);
        else
            imageFrame.origin.y += ceil((cellFrame.size.height - imageFrame.size.height) / 2);

        [image compositeToPoint:imageFrame.origin operation:NSCompositeSourceOver];
    }
    [super drawWithFrame:cellFrame inView:controlView];
}
*/
- (NSSize)cellSize {
    NSSize cellSize = [super cellSize];
    cellSize.width += (image ? [image size].width : 0) + 3;
    return cellSize;
}


/*- (NSUInteger)hitTestForEvent:(NSEvent *)event inRect:(NSRect)cellFrame ofView:(NSView *)controlView {
    NSPoint point = [controlView convertPoint:[event locationInWindow] fromView:nil];
    // If we have an image, we need to see if the user clicked on the image portion.
    if (image != nil) {
        // This code closely mimics drawWithFrame:inView:
        NSSize imageSize = [image size];
        NSRect imageFrame;
        NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinXEdge);
        
        imageFrame.origin.x += 3;
        imageFrame.size = imageSize;
        // If the point is in the image rect, then it is a content hit
        if (NSMouseInRect(point, imageFrame, [controlView isFlipped])) {
            // We consider this just a content area. It is not trackable, nor it it editable text. If it was, we would or in the additional items.
            // By returning the correct parts, we allow NSTableView to correctly begin an edit when the text portion is clicked on.
            return NSCellHitContentArea;
        }        
    }
    // At this point, the cellFrame has been modified to exclude the portion for the image. Let the superclass handle the hit testing at this point.
    return [super hitTestForEvent:event inRect:cellFrame ofView:controlView];    
}*/


- (IBAction)cut:(id)sender{
	[delegate cut:self];
}

- (IBAction)copy:(id)sender{
	[delegate copy:self];
}

- (IBAction)paste:(id)sender{
	[delegate paste:self];
}

- (void)setDelegate:(id)del{
	delegate = del;
}

- (id)delegate{
	return delegate;
}


- (NSMenu *)menuForEvent:(NSEvent *)anEvent inRect:(NSRect)cellFrame ofView:(NSView *)aView{

	NSMenu *themenu = [super menuForEvent:anEvent inRect:cellFrame ofView:aView];
		
	[delegate setSelectionIndexPath:[[self node] indexPath]];
	[(MWExperimentTreeController *)delegate updateInspectorView:self];
	
	return themenu; 
}


- (void)setNode:(NSTreeNode *)_node{
	node = _node;
}
- (NSTreeNode *)node{
	return node;
}


/*- (NSColor *)highlightColorWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
{
	return [NSColor blueColor];
}
*/

@end