2 File: ImageAndTextCell.m
3 Abstract: Subclass of NSTextFieldCell which can display text and an image simultaneously.
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49 #import "ImageAndTextCell.h"
50 //#import "BaseNode.h"
52 @implementation ImageAndTextCell
54 #define kIconImageSize 16.0
56 #define kImageOriginXOffset 3
57 #define kImageOriginYOffset 1
59 #define kTextOriginXOffset 2
60 #define kTextOriginYOffset 2
61 #define kTextHeightAdjust 4
63 // -------------------------------------------------------------------------------
65 // -------------------------------------------------------------------------------
70 // we want a smaller font
71 [self setFont:[NSFont systemFontOfSize:[NSFont smallSystemFontSize]]];
76 // -------------------------------------------------------------------------------
78 // -------------------------------------------------------------------------------
84 // -------------------------------------------------------------------------------
86 // -------------------------------------------------------------------------------
87 - (id)copyWithZone:(NSZone*)zone
89 ImageAndTextCell *cell = (ImageAndTextCell*)[super copyWithZone:zone];
94 // -------------------------------------------------------------------------------
96 // -------------------------------------------------------------------------------
97 - (void)setImage:(NSImage*)anImage
102 [image setSize:NSMakeSize(kIconImageSize, kIconImageSize)];
106 // -------------------------------------------------------------------------------
108 // -------------------------------------------------------------------------------
114 // -------------------------------------------------------------------------------
116 // -------------------------------------------------------------------------------
119 return ([self image] == nil && [[self title] length] > 0);
122 // -------------------------------------------------------------------------------
123 // titleRectForBounds:cellRect
125 // Returns the proper bound for the cell's title while being edited
126 // -------------------------------------------------------------------------------
127 - (NSRect)titleRectForBounds:(NSRect)cellRect
129 // the cell has an image: draw the normal item cell
133 imageSize = [image size];
134 NSDivideRect(cellRect, &imageFrame, &cellRect, 3 + imageSize.width, NSMinXEdge);
136 imageFrame.origin.x += kImageOriginXOffset;
137 imageFrame.origin.y -= kImageOriginYOffset;
138 imageFrame.size = imageSize;
140 imageFrame.origin.y += ceil((cellRect.size.height - imageFrame.size.height) / 2);
142 NSRect newFrame = cellRect;
143 newFrame.origin.x += kTextOriginXOffset;
144 newFrame.origin.y += kTextOriginYOffset;
145 newFrame.size.height -= kTextHeightAdjust;
150 // -------------------------------------------------------------------------------
151 // editWithFrame:inView:editor:delegate:event
152 // -------------------------------------------------------------------------------
153 - (void)editWithFrame:(NSRect)aRect inView:(NSView*)controlView editor:(NSText*)textObj delegate:(id)anObject event:(NSEvent*)theEvent
155 NSRect textFrame = [self titleRectForBounds:aRect];
156 [super editWithFrame:textFrame inView:controlView editor:textObj delegate:anObject event:theEvent];
159 // -------------------------------------------------------------------------------
160 // selectWithFrame:inView:editor:delegate:event:start:length
161 // -------------------------------------------------------------------------------
162 - (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject start:(NSInteger)selStart length:(NSInteger)selLength
164 NSRect textFrame = [self titleRectForBounds:aRect];
165 [super selectWithFrame:textFrame inView:controlView editor:textObj delegate:anObject start:selStart length:selLength];
168 // -------------------------------------------------------------------------------
169 // drawWithFrame:cellFrame:controlView:
170 // -------------------------------------------------------------------------------
171 - (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView
175 // the cell has an image: draw the normal item cell
179 imageSize = [image size];
180 NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinXEdge);
182 imageFrame.origin.x += kImageOriginXOffset;
183 imageFrame.origin.y -= kImageOriginYOffset;
184 imageFrame.size = imageSize;
186 if ([controlView isFlipped])
187 imageFrame.origin.y += ceil((cellFrame.size.height + imageFrame.size.height) / 2);
189 imageFrame.origin.y += ceil((cellFrame.size.height - imageFrame.size.height) / 2);
190 [image compositeToPoint:imageFrame.origin operation:NSCompositeSourceOver];
192 NSRect newFrame = cellFrame;
193 newFrame.origin.x += kTextOriginXOffset;
194 newFrame.origin.y += kTextOriginYOffset;
195 newFrame.size.height -= kTextHeightAdjust;
196 [super drawWithFrame:newFrame inView:controlView];
200 if ([self isGroupCell])
202 // Center the text in the cellFrame, and call super to do thew ork of actually drawing.
203 CGFloat yOffset = floor((NSHeight(cellFrame) - [[self attributedStringValue] size].height) / 2.0);
204 cellFrame.origin.y += yOffset;
205 cellFrame.size.height -= (kTextOriginYOffset*yOffset);
206 [super drawWithFrame:cellFrame inView:controlView];
211 // -------------------------------------------------------------------------------
213 // -------------------------------------------------------------------------------
216 NSSize cellSize = [super cellSize];
217 cellSize.width += (image ? [image size].width : 0) + 3;
221 // -------------------------------------------------------------------------------
224 // In 10.5, we need you to implement this method for blocking drag and drop of a given cell.
225 // So NSCell hit testing will determine if a row can be dragged or not.
227 // NSTableView calls this cell method when starting a drag, if the hit cell returns
228 // NSCellHitTrackableArea, the particular row will be tracked instead of dragged.
230 // -------------------------------------------------------------------------------
231 //- (NSUInteger)hitTestForEvent:(NSEvent *)event inRect:(NSRect)cellFrame ofView:(NSView *)controlView
233 // NSInteger result = NSCellHitContentArea;
235 // NSOutlineView* hostingOutlineView = (NSOutlineView*)[self controlView];
236 // if (hostingOutlineView)
238 // NSInteger selectedRow = [hostingOutlineView selectedRow];
239 // BaseNode* node = [[hostingOutlineView itemAtRow:selectedRow] representedObject];
241 // if (![node isDraggable]) // is the node isDraggable (i.e. non-file system based objects)
242 // result = NSCellHitTrackableArea;