Revision: 7553
http://skim-app.svn.sourceforge.net/skim-app/?rev=7553&view=rev
Author: hofman
Date: 2011-12-04 11:24:24 +0000 (Sun, 04 Dec 2011)
Log Message:
-----------
use embedded image cell to draw and store image in text+icon cell, leave it to
formatter to get the image from the object value
Modified Paths:
--------------
trunk/SKTextWithIconCell.h
trunk/SKTextWithIconCell.m
Modified: trunk/SKTextWithIconCell.h
===================================================================
--- trunk/SKTextWithIconCell.h 2011-12-04 00:47:10 UTC (rev 7552)
+++ trunk/SKTextWithIconCell.h 2011-12-04 11:24:24 UTC (rev 7553)
@@ -41,18 +41,19 @@
extern NSString *SKTextWithIconCellStringKey;
extern NSString *SKTextWithIconCellImageKey;
-@interface SKTextWithIconCell : NSTextFieldCell
+@interface SKTextWithIconCell : NSTextFieldCell {
+ NSImageCell *imageCell;
+}
- (NSImage *)icon;
- (NSRect)textRectForBounds:(NSRect)aRect;
- (NSRect)iconRectForBounds:(NSRect)aRect;
-- (void)drawIconWithFrame:(NSRect)iconRect inView:(NSView *)controlView;
-
@end
#pragma mark -
@interface SKTextWithIconFormatter : NSFormatter
+- (NSImage *)imageForObjectValue:(id)obj;
@end
Modified: trunk/SKTextWithIconCell.m
===================================================================
--- trunk/SKTextWithIconCell.m 2011-12-04 00:47:10 UTC (rev 7552)
+++ trunk/SKTextWithIconCell.m 2011-12-04 11:24:24 UTC (rev 7553)
@@ -50,6 +50,38 @@
@implementation SKTextWithIconCell
+
+- (id)initTextCell:(NSString *)aString {
+ self = [super initTextCell:aString];
+ if (self) {
+ imageCell = [[NSImageCell alloc] init];
+ [imageCell setImageScaling:NSImageScaleProportionallyUpOrDown];
+ }
+ return self;
+}
+
+- (id)initWithCoder:(NSCoder *)decoder {
+ self = [super initWithCoder:decoder];
+ if (self) {
+ imageCell = [[decoder decodeObjectForKey:@"imageCell"] retain];
+ if (imageCell == nil) {
+ imageCell = [[NSImageCell alloc] init];
+ [imageCell setImageScaling:NSImageScaleProportionallyUpOrDown];
+ }
+ }
+ return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)encoder {
+ [super encodeWithCoder:encoder];
+ [encoder encodeObject:imageCell forKey:@"imageCell"];
+}
+
+- (void)dealloc {
+ SKDESTROY(imageCell);
+ [super dealloc];
+}
+
- (NSSize)cellSize {
NSSize cellSize = [super cellSize];
cellSize.width += cellSize.height - 1 + BORDER_BETWEEN_EDGE_AND_IMAGE +
BORDER_BETWEEN_IMAGE_AND_TEXT;
@@ -74,42 +106,6 @@
return imageRect;
}
-- (void)drawIconWithFrame:(NSRect)iconRect inView:(NSView *)controlView
-{
- NSImage *img = [self icon];
-
- if (nil != img) {
-
- NSSize imgSize = [img size];
-
- NSRect drawFrame = iconRect;
- CGFloat ratio = MIN(NSWidth(drawFrame) / imgSize.width,
NSHeight(drawFrame) / imgSize.height);
- drawFrame.size.width = ratio * imgSize.width;
- drawFrame.size.height = ratio * imgSize.height;
-
- drawFrame = SKCenterRect(iconRect, drawFrame.size, [controlView
isFlipped]);
-
- NSGraphicsContext *ctxt = [NSGraphicsContext currentContext];
- [ctxt saveGraphicsState];
-
- // this is the critical part that NSImageCell doesn't do
- [ctxt setImageInterpolation:NSImageInterpolationHigh];
-
- if ([controlView isFlipped]) {
- NSAffineTransform *transform = [NSAffineTransform transform];
- [transform translateXBy:0.0 yBy:NSMaxY(drawFrame)];
- [transform scaleXBy:1.0 yBy:-1.0];
- [transform translateXBy:0.0 yBy:-NSMinY(drawFrame)];
- [transform concat];
- [img drawInRect:drawFrame fromRect:NSZeroRect
operation:NSCompositeSourceOver fraction:1.0];
- }
- [img drawInRect:drawFrame fromRect:NSZeroRect
operation:NSCompositeSourceOver fraction:1.0];
-
- [ctxt setImageInterpolation:NSImageInterpolationDefault];
- [ctxt restoreGraphicsState];
- }
-}
-
- (void)drawInteriorWithFrame:(NSRect)aRect inView:(NSView *)controlView {
// let super draw the text, but vertically center the text for tall cells,
because NSTextFieldCell aligns at the top
NSRect textRect = [self textRectForBounds:aRect];
@@ -121,7 +117,7 @@
NSRect imageRect = [self iconRectForBounds:aRect];
imageRect = SKCenterRectVertically(imageRect, NSWidth(imageRect),
[controlView isFlipped]);
imageRect.origin.y += [controlView isFlipped] ? -IMAGE_OFFSET :
IMAGE_OFFSET;
- [self drawIconWithFrame:imageRect inView:controlView];
+ [imageCell drawInteriorWithFrame:imageRect inView:controlView];
}
- (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView
editor:(NSText *)textObj delegate:(id)anObject start:(NSInteger)selStart
length:(NSInteger)selLength {
@@ -140,19 +136,13 @@
}
- (void)setObjectValue:(id <NSCopying>)obj {
- // the objectValue should be an object that's KVC compliant for the
"string" and "image" keys
-
- // this can happen initially from the init, as there's no initializer
passing an objectValue
- if ([(id)obj isKindOfClass:[NSString class]])
- obj = [NSDictionary dictionaryWithObjectsAndKeys:obj,
SKTextWithIconCellStringKey, nil];
-
- // we should not set a derived value such as the string here, otherwise
NSTableView will call tableView:setObjectValue:forTableColumn:row: whenever a
cell is selected
[super setObjectValue:obj];
+ if ([[self formatter] respondsToSelector:@selector(imageForObjectValue:)])
+ [imageCell setImage:[[self formatter] imageForObjectValue:obj]];
}
- (NSImage *)icon {
- id obj = [self objectValue];
- return [obj isKindOfClass:[NSString class]] ? nil : [obj
valueForKey:SKTextWithIconCellImageKey];
+ return [imageCell image];
}
@end
@@ -161,6 +151,10 @@
@implementation SKTextWithIconFormatter
+- (NSImage *)imageForObjectValue:(id)obj {
+ return [obj isKindOfClass:[NSString class]] ? nil : [obj
valueForKey:SKTextWithIconCellImageKey];
+}
+
- (NSString *)stringForObjectValue:(id)obj {
return [obj isKindOfClass:[NSString class]] ? obj : [obj
valueForKey:SKTextWithIconCellStringKey];
}
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