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//
// ImageTextCell.m
// SofaControl
//
// Created by Martin Kahr on 10.10.06.
// Copyright 2006 CASE Apps. All rights reserved.
//
#import "ImageTextCell.h"
@implementation ImageTextCell
- (void)dealloc {
[self setDataDelegate: nil];
[self setIconKeyPath: nil];
[self setPrimaryTextKeyPath: nil];
[self setSecondaryTextKeyPath: nil];
[super dealloc];
}
- copyWithZone:(NSZone *)zone {
ImageTextCell *cell = (ImageTextCell *)[super copyWithZone:zone];
cell->delegate = nil;
[cell setDataDelegate: delegate];
return cell;
}
- (void) setIconKeyPath: (NSString*) path {
[iconKeyPath autorelease];
iconKeyPath = [path retain];
}
- (void) setPrimaryTextKeyPath: (NSString*) path {
[primaryTextKeyPath autorelease];
primaryTextKeyPath = [path retain];
}
- (void) setSecondaryTextKeyPath: (NSString*) path {
[secondaryTextKeyPath autorelease];
secondaryTextKeyPath = [path retain];
}
- (void) setDataDelegate: (NSObject*) aDelegate {
[aDelegate retain];
[delegate autorelease];
delegate = aDelegate;
}
- (id) dataDelegate {
if (delegate) return delegate;
return self; // in case there is no delegate we try to resolve values by using key paths
}
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView {
[self setTextColor:[NSColor blackColor]];
NSObject* data = [self objectValue];
// give the delegate a chance to set a different data object
if ([[self dataDelegate] respondsToSelector: @selector(dataElementForCell:)]) {
data = [[self dataDelegate] dataElementForCell:self];
}
//TODO: Selection with gradient and selection color in white with shadow
// check out http://www.cocoadev.com/index.pl?NSTableView
BOOL elementDisabled = NO;
if ([[self dataDelegate] respondsToSelector: @selector(disabledForCell:data:)]) {
elementDisabled = [[self dataDelegate] disabledForCell: self data: data];
}
NSColor* primaryColor = [self isHighlighted] ? [NSColor alternateSelectedControlTextColor] : (elementDisabled? [NSColor disabledControlTextColor] : [NSColor textColor]);
NSString* primaryText = [[self dataDelegate] primaryTextForCell:self data: data];
NSMutableParagraphStyle* style = [[[NSParagraphStyle defaultParagraphStyle] mutableCopy] autorelease];
[style setLineBreakMode:NSLineBreakByTruncatingTail];
NSDictionary* primaryTextAttributes = [NSDictionary dictionaryWithObjectsAndKeys:
primaryColor, NSForegroundColorAttributeName,
[NSFont systemFontOfSize:12], NSFontAttributeName,
style, NSParagraphStyleAttributeName,
nil];
[primaryText drawAtPoint:NSMakePoint(cellFrame.origin.x+cellFrame.size.height+9, cellFrame.origin.y) withAttributes:primaryTextAttributes];
NSColor* secondaryColor = [self isHighlighted] ? [NSColor alternateSelectedControlTextColor] : [NSColor disabledControlTextColor];
NSString* secondaryText = [[self dataDelegate] secondaryTextForCell:self data: data];
NSDictionary* secondaryTextAttributes = [NSDictionary dictionaryWithObjectsAndKeys: secondaryColor, NSForegroundColorAttributeName,
[NSFont systemFontOfSize:10], NSFontAttributeName, nil];
[secondaryText drawAtPoint:NSMakePoint(cellFrame.origin.x+cellFrame.size.height+9, cellFrame.origin.y+cellFrame.size.height/2.2)
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 dataDelegate] iconForCell:self data: data];
NSImageInterpolation interpolation = [[NSGraphicsContext currentContext] imageInterpolation];
[[NSGraphicsContext currentContext] setImageInterpolation: NSImageInterpolationHigh];
[icon drawInRect:NSMakeRect(cellFrame.origin.x+3,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];
}
#pragma mark -
#pragma mark Delegate methods
- (NSImage*) iconForCell: (ImageTextCell*) cell data: (NSObject*) data {
if (iconKeyPath) {
return [data valueForKeyPath: iconKeyPath];
}
return nil;
}
- (NSString*) primaryTextForCell: (ImageTextCell*) cell data: (NSObject*) data {
if (primaryTextKeyPath) {
return [data valueForKeyPath: primaryTextKeyPath];
}
return nil;
}
- (NSString*) secondaryTextForCell: (ImageTextCell*) cell data: (NSObject*) data {
if (primaryTextKeyPath) {
return [data valueForKeyPath: secondaryTextKeyPath];
}
return nil;
}
@end