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CKHostCell.m
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CKHostCell.m
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//
// CKHostCell.m
// Connection
//
// Created by Greg Hulands on 20/11/06.
// Copyright 2006 __MyCompanyName__. All rights reserved.
//
#import "CKHostCell.h"
static NSMutableParagraphStyle *sStyle = nil;
NSString *CKHostCellStringValueKey = @"CKHostCellStringValueKey";
NSString *CKHostCellImageValueKey = @"CKHostCellImageValueKey";
NSString *CKHostCellSecondaryStringValueKey = @"CKHostCellSecondaryStringValueKey";
@interface NSImage (Omni)
- (void)drawFlippedInRect:(NSRect)rect fromRect:(NSRect)sourceRect operation:(NSCompositingOperation)op fraction:(float)delta;
- (void)drawFlippedInRect:(NSRect)rect fromRect:(NSRect)sourceRect operation:(NSCompositingOperation)op;
- (void)drawFlippedInRect:(NSRect)rect operation:(NSCompositingOperation)op fraction:(float)delta;
- (void)drawFlippedInRect:(NSRect)rect operation:(NSCompositingOperation)op;
@end
@implementation CKHostCell
NSRect CKCenteredAspectRatioPreservedRect(NSRect rect, NSSize imgSize, NSSize maxCellSize)
{
float ratioH = imgSize.width / NSWidth(rect);
float ratioV = imgSize.height / NSHeight(rect);
float destWidth = 0;
float destHeight = 0;
if (ratioV > ratioH) {
destHeight = NSHeight(rect);
if (destHeight > maxCellSize.height)
destHeight = maxCellSize.height;
destWidth = (destHeight / imgSize.height) * imgSize.width;
} else {
destWidth = NSWidth(rect);
if (destWidth > maxCellSize.width)
destWidth = maxCellSize.width;
destHeight = (destWidth / imgSize.width) * imgSize.height;
}
float x = NSMidX(rect);
float y = NSMidY(rect);
return NSMakeRect(x - (destWidth / 2), y - (destHeight / 2), destWidth, destHeight);
}
+ (void)initialize
{
sStyle = [[NSMutableParagraphStyle alloc] init];
[sStyle setLineBreakMode:NSLineBreakByTruncatingTail];
}
- (id)init;
{
if ([super initTextCell:@""] == nil)
return nil;
[self setImagePosition:NSImageLeft];
[self setEditable:YES];
[self setDrawsHighlight:YES];
[self setScrollable:YES];
return self;
}
- (id)initTextCell:(NSString *)str
{
#pragma unused (str)
if ((self = [self init])) {
}
return self;
}
- (id)initImageCell:(NSImage *)image
{
#pragma unused (image)
if ((self = [self init])) {
}
return self;
}
- (void)awakeFromNib
{
[self setImagePosition:NSImageLeft];
[self setEditable:YES];
[self setDrawsHighlight:YES];
[self setScrollable:YES];
}
- (void)dealloc;
{
[myIcon release];
[super dealloc];
}
- (id)copyWithZone:(NSZone *)zone;
{
CKHostCell *copy = [super copyWithZone:zone];
copy->myIcon = [myIcon retain];
copy->myFlags.drawsHighlight = myFlags.drawsHighlight;
return copy;
}
#define TEXT_VERTICAL_OFFSET (-1.0)
#define FLIP_VERTICAL_OFFSET (-9.0)
#define BORDER_BETWEEN_EDGE_AND_IMAGE (2.0)
#define BORDER_BETWEEN_IMAGE_AND_TEXT (3.0)
#define SIZE_OF_TEXT_FIELD_BORDER (1.0)
- (NSColor *)highlightColorWithFrame:(NSRect)cellFrame inView:(NSView *)controlView;
{
if (!myFlags.drawsHighlight)
return nil;
else
return [super highlightColorWithFrame:cellFrame inView:controlView];
}
- (NSColor *)textColor;
{
if (myFlags.settingUpFieldEditor)
return [NSColor blackColor];
else if (!myFlags.drawsHighlight && _cFlags.highlighted)
return [NSColor textBackgroundColor];
else
return [super textColor];
}
#define CELL_SIZE_FUDGE_FACTOR 10.0
- (NSSize)cellSize;
{
NSSize cellSize = [super cellSize];
// TODO: WJS 1/31/04 -- I REALLY don't think this next line is accurate. It appears to not be used much, anyways, but still...
cellSize.width += [myIcon size].width + (BORDER_BETWEEN_EDGE_AND_IMAGE * 2.0) + (BORDER_BETWEEN_IMAGE_AND_TEXT * 2.0) + (SIZE_OF_TEXT_FIELD_BORDER * 2.0) + CELL_SIZE_FUDGE_FACTOR;
return cellSize;
}
#define _calculateDrawingRectsAndSizes \
NSRectEdge rectEdge; \
NSSize imageSize; \
\
if (myFlags.imagePosition == NSImageLeft) { \
rectEdge = NSMinXEdge; \
if (myIcon == nil) \
imageSize = NSZeroSize; \
else \
imageSize = NSMakeSize(NSHeight(aRect) - 1, NSHeight(aRect) - 1); \
} else { \
rectEdge = NSMaxXEdge; \
if (myIcon == nil) \
imageSize = NSZeroSize; \
else \
imageSize = [myIcon size]; \
} \
\
NSRect cellFrame = aRect, ignored; \
if (imageSize.width > 0) \
NSDivideRect(cellFrame, &ignored, &cellFrame, BORDER_BETWEEN_EDGE_AND_IMAGE, rectEdge); \
\
NSRect imageRect, textRect; \
NSDivideRect(cellFrame, &imageRect, &textRect, imageSize.width, rectEdge); \
\
if (imageSize.width > 0) \
NSDivideRect(textRect, &ignored, &textRect, BORDER_BETWEEN_IMAGE_AND_TEXT, rectEdge); \
\
textRect.origin.y += 1.0;
- (void)drawInteriorWithFrame:(NSRect)aRect inView:(NSView *)controlView;
{
/*_calculateDrawingRectsAndSizes;*/
NSRectEdge rectEdge;
NSSize imageSize;
if (myFlags.imagePosition == NSImageLeft) {
rectEdge = NSMinXEdge;
if (myIcon == nil)
imageSize = NSZeroSize;
else
imageSize = NSMakeSize(NSHeight(aRect) - 1, NSHeight(aRect) - 1);
} else {
rectEdge = NSMaxXEdge;
if (myIcon == nil)
imageSize = NSZeroSize;
else
imageSize = [myIcon size];
}
NSRect cellFrame = aRect, ignored;
if (imageSize.width > 0)
NSDivideRect(cellFrame, &ignored, &cellFrame, BORDER_BETWEEN_EDGE_AND_IMAGE, rectEdge);
NSRect imageRect, textRect;
NSDivideRect(cellFrame, &imageRect, &textRect, imageSize.width, rectEdge);
if (imageSize.width > 0)
NSDivideRect(textRect, &ignored, &textRect, BORDER_BETWEEN_IMAGE_AND_TEXT, rectEdge);
textRect.origin.y += 1.0;
NSDivideRect(textRect, &ignored, &textRect, SIZE_OF_TEXT_FIELD_BORDER, NSMinXEdge);
textRect = NSInsetRect(textRect, 1.0, 0.0);
if (![controlView isFlipped])
textRect.origin.y -= (textRect.size.height + FLIP_VERTICAL_OFFSET);
// Draw the text
NSMutableAttributedString *label = [[NSMutableAttributedString alloc] initWithAttributedString:[self attributedStringValue]];
NSRange labelRange = NSMakeRange(0, [label length]);
if ([NSColor respondsToSelector:@selector(alternateSelectedControlColor)]) {
NSColor *highlightColor = [self highlightColorWithFrame:cellFrame inView:controlView];
BOOL highlighted = [self isHighlighted];
if (highlighted && [highlightColor isEqual:[NSColor alternateSelectedControlColor]]) {
// add the alternate text color attribute.
[label addAttribute:NSForegroundColorAttributeName value:[NSColor alternateSelectedControlTextColor] range:labelRange];
}
}
[label addAttribute:NSParagraphStyleAttributeName value:sStyle range:labelRange];
NSSize size = [label size];
NSRect centered = NSMakeRect(NSMinX(textRect),
NSMidY(textRect) - (size.height / 2),
NSWidth(textRect),
size.height);
[label drawInRect:centered];
[label release];
// Draw the image
NSSize maxImageSize = [[self icon] size];
if (maxImageSize.width > NSWidth(imageRect)) maxImageSize.width = NSWidth(imageRect);
if (maxImageSize.height > NSHeight(imageRect)) maxImageSize.height = NSHeight(imageRect);
imageRect = CKCenteredAspectRatioPreservedRect(imageRect, [[self icon] size], maxImageSize);
//imageRect.size = imageSize;
//imageRect.size = [[self myIcon] size];
//imageRect.origin.y = NSMidY(aRect) - imageRect.size.height / 2;
if ([controlView isFlipped])
[[self icon] drawFlippedInRect:imageRect fromRect:NSZeroRect operation:NSCompositeSourceOver];
else
[[self icon] drawInRect:imageRect fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1.0];
}
- (BOOL)trackMouse:(NSEvent *)theEvent inRect:(NSRect)cellFrame ofView:(NSView *)controlView untilMouseUp:(BOOL)flag;
{
return [super trackMouse:theEvent inRect:cellFrame ofView:controlView untilMouseUp:flag];
}
- (void)editWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject event:(NSEvent *)theEvent;
{
myFlags.settingUpFieldEditor = YES;
[super editWithFrame:aRect inView:controlView editor:textObj delegate:anObject event:theEvent];
myFlags.settingUpFieldEditor = NO;
}
- (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject start:(int)selStart length:(int)selLength;
{
_calculateDrawingRectsAndSizes;
/* This puts us off by a single pixel vertically in OmniWeb's workspace panel. - WJS 1/31/04
if ([controlView isFlipped])
textRect.origin.y += TEXT_VERTICAL_OFFSET; // Move it up a pixel so we don't draw off the bottom
else
textRect.origin.y -= (textRect.size.height + FLIP_VERTICAL_OFFSET);
*/
NSDivideRect(textRect, &ignored, &textRect, SIZE_OF_TEXT_FIELD_BORDER, NSMinXEdge);
textRect = NSInsetRect(textRect, 1.0, 0.0);
if (![controlView isFlipped])
textRect.origin.y -= (textRect.size.height + FLIP_VERTICAL_OFFSET);
// Draw the text
NSMutableAttributedString *label = [[NSMutableAttributedString alloc] initWithAttributedString:[self attributedStringValue]];
NSRange labelRange = NSMakeRange(0, [label length]);
[label addAttribute:NSParagraphStyleAttributeName value:sStyle range:labelRange];
NSSize size = [label size];
NSRect centered = NSMakeRect(NSMinX(textRect),
NSMidY(textRect) - (size.height / 2),
NSWidth(textRect),
size.height);
// textRect.size.height -= 3.0f;
myFlags.settingUpFieldEditor = YES;
[super selectWithFrame:centered inView:controlView editor:textObj delegate:anObject start:selStart length:selLength];
myFlags.settingUpFieldEditor = NO;
}
- (void)setObjectValue:(id)obj;
{
if ([obj isKindOfClass:[NSDictionary class]])
{
NSDictionary *dictionary = (NSDictionary *)obj;
[super setObjectValue:[dictionary objectForKey:CKHostCellStringValueKey]];
[self setIcon:[dictionary objectForKey:CKHostCellImageValueKey]];
}
else if ([obj isKindOfClass:[NSImage class]])
{
[self setIcon:obj];
}
else
{
[super setObjectValue:obj];
return;
}
}
// API
- (NSImage *)icon;
{
return myIcon;
}
- (void)setIcon:(NSImage *)anIcon;
{
if (anIcon == myIcon)
return;
[myIcon release];
myIcon = [anIcon retain];
}
- (NSCellImagePosition)imagePosition;
{
return myFlags.imagePosition;
}
- (void)setImagePosition:(NSCellImagePosition)aPosition;
{
myFlags.imagePosition = aPosition;
}
- (BOOL)drawsHighlight;
{
return myFlags.drawsHighlight;
}
- (void)setDrawsHighlight:(BOOL)flag;
{
myFlags.drawsHighlight = flag;
}
- (NSRect)textRectForFrame:(NSRect)aRect inView:(NSView *)controlView;
{
_calculateDrawingRectsAndSizes;
NSDivideRect(textRect, &ignored, &textRect, SIZE_OF_TEXT_FIELD_BORDER, NSMinXEdge);
textRect = NSInsetRect(textRect, 1.0, 0.0);
if (![controlView isFlipped])
textRect.origin.y -= (textRect.size.height + FLIP_VERTICAL_OFFSET);
// Draw the text
NSMutableAttributedString *label = [[NSMutableAttributedString alloc] initWithAttributedString:[self attributedStringValue]];
NSRange labelRange = NSMakeRange(0, [label length]);
[label addAttribute:NSParagraphStyleAttributeName value:sStyle range:labelRange];
NSSize size = [label size];
NSRect centered = NSMakeRect(NSMinX(textRect),
NSMidY(textRect) - (size.height / 2),
NSWidth(textRect),
size.height);
return centered;
}
@end
@implementation NSImage (Omni)
- (void)drawFlippedInRect:(NSRect)rect fromRect:(NSRect)sourceRect operation:(NSCompositingOperation)op fraction:(float)delta;
{
CGContextRef context;
context = [[NSGraphicsContext currentContext] graphicsPort];
CGContextSaveGState(context); {
CGContextTranslateCTM(context, 0, NSMaxY(rect));
CGContextScaleCTM(context, 1, -1);
rect.origin.y = 0; // We've translated ourselves so it's zero
[self drawInRect:rect fromRect:sourceRect operation:op fraction:delta];
} CGContextRestoreGState(context);
}
- (void)drawFlippedInRect:(NSRect)rect fromRect:(NSRect)sourceRect operation:(NSCompositingOperation)op;
{
[self drawFlippedInRect:rect fromRect:sourceRect operation:op fraction:1.0];
}
- (void)drawFlippedInRect:(NSRect)rect operation:(NSCompositingOperation)op fraction:(float)delta;
{
[self drawFlippedInRect:rect fromRect:NSZeroRect operation:op fraction:delta];
}
- (void)drawFlippedInRect:(NSRect)rect operation:(NSCompositingOperation)op;
{
[self drawFlippedInRect:rect operation:op fraction:1.0];
}
@end
@implementation CKHostExtendedCell : CKHostCell
- (id)copyWithZone:(NSZone *)zone
{
CKHostExtendedCell *copy = [super copyWithZone:zone];
copy->mySecondaryString = [mySecondaryString copy];
return copy;
}
- (void)dealloc
{
[mySecondaryString release];
[super dealloc];
}
- (void)setSecondaryString:(NSString *)str
{
if (mySecondaryString != str)
{
[mySecondaryString autorelease];
mySecondaryString = [str copy];
}
}
- (NSString *)secondaryString
{
return mySecondaryString;
}
- (void)setObjectValue:(id)obj
{
[super setObjectValue:obj];
if ([obj isKindOfClass:[NSDictionary class]])
{
[self setSecondaryString:[obj objectForKey:CKHostCellSecondaryStringValueKey]];
}
}
// this drawing code is modified from http://www.martinkahr.com/2007/05/04/nscell-image-and-text-sample/
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
{
[self setTextColor:[NSColor blackColor]];
NSColor* primaryColor = [NSColor textColor];
NSString* primaryText = [self stringValue];
NSDictionary* primaryTextAttributes = [NSDictionary dictionaryWithObjectsAndKeys: primaryColor, NSForegroundColorAttributeName,
[NSFont systemFontOfSize:13], NSFontAttributeName, nil];
NSColor* secondaryColor = [self isHighlighted] ? [NSColor alternateSelectedControlTextColor] : [NSColor disabledControlTextColor];
NSString* secondaryText = [self secondaryString];
NSDictionary* secondaryTextAttributes = [NSDictionary dictionaryWithObjectsAndKeys: secondaryColor, NSForegroundColorAttributeName,
[NSFont systemFontOfSize:10], NSFontAttributeName, nil];
NSSize primarySize = [primaryText sizeWithAttributes:primaryTextAttributes];
NSPoint primaryPoint = NSMakePoint(cellFrame.origin.x+cellFrame.size.height+10, cellFrame.origin.y);
if (!secondaryText)
{
primaryPoint = NSMakePoint(cellFrame.origin.x+cellFrame.size.height+10, NSMidY(cellFrame) - (primarySize.height / 2.0));
}
[primaryText drawAtPoint:primaryPoint withAttributes:primaryTextAttributes];
[secondaryText drawAtPoint:NSMakePoint(cellFrame.origin.x+cellFrame.size.height+10, cellFrame.origin.y+cellFrame.size.height/2)
withAttributes:secondaryTextAttributes];
[[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 icon];
NSImageInterpolation interpolation = [[NSGraphicsContext currentContext] imageInterpolation];
[[NSGraphicsContext currentContext] setImageInterpolation: NSImageInterpolationHigh];
[icon drawInRect: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];
}
@end