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 // -------------------------------------------------------------------------------
86 // -------------------------------------------------------------------------------
88 // -------------------------------------------------------------------------------
89 - (id)copyWithZone:(NSZone*)zone
91 ImageAndTextCell *cell = (ImageAndTextCell*)[super copyWithZone:zone];
92 cell->image = [image retain];
96 // -------------------------------------------------------------------------------
98 // -------------------------------------------------------------------------------
99 - (void)setImage:(NSImage*)anImage
101 if (anImage != image)
104 image = [anImage retain];
105 [image setSize:NSMakeSize(kIconImageSize, kIconImageSize)];
109 // -------------------------------------------------------------------------------
111 // -------------------------------------------------------------------------------
117 // -------------------------------------------------------------------------------
119 // -------------------------------------------------------------------------------
122 return ([self image] == nil && [[self title] length] > 0);
125 // -------------------------------------------------------------------------------
126 // titleRectForBounds:cellRect
128 // Returns the proper bound for the cell's title while being edited
129 // -------------------------------------------------------------------------------
130 - (NSRect)titleRectForBounds:(NSRect)cellRect
132 // the cell has an image: draw the normal item cell
136 imageSize = [image size];
137 NSDivideRect(cellRect, &imageFrame, &cellRect, 3 + imageSize.width, NSMinXEdge);
139 imageFrame.origin.x += kImageOriginXOffset;
140 imageFrame.origin.y -= kImageOriginYOffset;
141 imageFrame.size = imageSize;
143 imageFrame.origin.y += ceil((cellRect.size.height - imageFrame.size.height) / 2);
145 NSRect newFrame = cellRect;
146 newFrame.origin.x += kTextOriginXOffset;
147 newFrame.origin.y += kTextOriginYOffset;
148 newFrame.size.height -= kTextHeightAdjust;
153 // -------------------------------------------------------------------------------
154 // editWithFrame:inView:editor:delegate:event
155 // -------------------------------------------------------------------------------
156 - (void)editWithFrame:(NSRect)aRect inView:(NSView*)controlView editor:(NSText*)textObj delegate:(id)anObject event:(NSEvent*)theEvent
158 NSRect textFrame = [self titleRectForBounds:aRect];
159 [super editWithFrame:textFrame inView:controlView editor:textObj delegate:anObject event:theEvent];
162 // -------------------------------------------------------------------------------
163 // selectWithFrame:inView:editor:delegate:event:start:length
164 // -------------------------------------------------------------------------------
165 - (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject start:(NSInteger)selStart length:(NSInteger)selLength
167 NSRect textFrame = [self titleRectForBounds:aRect];
168 [super selectWithFrame:textFrame inView:controlView editor:textObj delegate:anObject start:selStart length:selLength];
171 // -------------------------------------------------------------------------------
172 // drawWithFrame:cellFrame:controlView:
173 // -------------------------------------------------------------------------------
174 - (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView
178 // the cell has an image: draw the normal item cell
182 imageSize = [image size];
183 NSDivideRect(cellFrame, &imageFrame, &cellFrame, 3 + imageSize.width, NSMinXEdge);
185 imageFrame.origin.x += kImageOriginXOffset;
186 imageFrame.origin.y -= kImageOriginYOffset;
187 imageFrame.size = imageSize;
189 if ([controlView isFlipped])
190 imageFrame.origin.y += ceil((cellFrame.size.height + imageFrame.size.height) / 2);
192 imageFrame.origin.y += ceil((cellFrame.size.height - imageFrame.size.height) / 2);
193 [image compositeToPoint:imageFrame.origin operation:NSCompositeSourceOver];
195 NSRect newFrame = cellFrame;
196 newFrame.origin.x += kTextOriginXOffset;
197 newFrame.origin.y += kTextOriginYOffset;
198 newFrame.size.height -= kTextHeightAdjust;
199 [super drawWithFrame:newFrame inView:controlView];
203 if ([self isGroupCell])
205 // Center the text in the cellFrame, and call super to do thew ork of actually drawing.
206 CGFloat yOffset = floor((NSHeight(cellFrame) - [[self attributedStringValue] size].height) / 2.0);
207 cellFrame.origin.y += yOffset;
208 cellFrame.size.height -= (kTextOriginYOffset*yOffset);
209 [super drawWithFrame:cellFrame inView:controlView];
214 // -------------------------------------------------------------------------------
216 // -------------------------------------------------------------------------------
219 NSSize cellSize = [super cellSize];
220 cellSize.width += (image ? [image size].width : 0) + 3;
224 // -------------------------------------------------------------------------------
227 // In 10.5, we need you to implement this method for blocking drag and drop of a given cell.
228 // So NSCell hit testing will determine if a row can be dragged or not.
230 // NSTableView calls this cell method when starting a drag, if the hit cell returns
231 // NSCellHitTrackableArea, the particular row will be tracked instead of dragged.
233 // -------------------------------------------------------------------------------
234 //- (NSUInteger)hitTestForEvent:(NSEvent *)event inRect:(NSRect)cellFrame ofView:(NSView *)controlView
236 // NSInteger result = NSCellHitContentArea;
238 // NSOutlineView* hostingOutlineView = (NSOutlineView*)[self controlView];
239 // if (hostingOutlineView)
241 // NSInteger selectedRow = [hostingOutlineView selectedRow];
242 // BaseNode* node = [[hostingOutlineView itemAtRow:selectedRow] representedObject];
244 // if (![node isDraggable]) // is the node isDraggable (i.e. non-file system based objects)
245 // result = NSCellHitTrackableArea;