twui/lib/UIKit/TUITableViewCell.m

/*
 Copyright 2011 Twitter, Inc.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this work except in compliance with the License.
 You may obtain a copy of the License in the LICENSE file, or at:
 
 http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

#import "TUITableViewCell.h"
#import "TUINSWindow.h"
#import "TUITableView+Cell.h"

@implementation TUITableViewCell

- (void)setReuseIdentifier:(NSString *)r
{
	_reuseIdentifier = [r copy];
}

- (id)initWithStyle:(TUITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
	if((self = [super initWithFrame:CGRectZero]))
	{
		[self setReuseIdentifier:reuseIdentifier];
	}
	return self;
}


- (NSString *)reuseIdentifier
{
	return _reuseIdentifier;
}

- (void)prepareForReuse
{
	[self removeAllAnimations];
	[self.textRenderers makeObjectsPerformSelector:@selector(resetSelection)];
	[self setNeedsDisplay];
}

- (void)prepareForDisplay
{
	[self removeAllAnimations];
}

- (TUITableView *)tableView
{
	return (TUITableView *)self.superview;
}

- (NSIndexPath *)indexPath
{
	return [self.tableView indexPathForCell:self];
}

- (BOOL)acceptsFirstMouse:(NSEvent *)event
{
	return NO;
}

/**
 * @brief Accept first responder by default
 */
-(BOOL)acceptsFirstResponder {
  return TRUE;
}

- (void)mouseDown:(NSEvent *)event
{
	// note the initial mouse location for dragging
	_mouseOffset = [self localPointForLocationInWindow:[event locationInWindow]];
	// notify our table view of the event
	[self.tableView __mouseDownInCell:self offset:_mouseOffset event:event];
  
	[super mouseDown:event]; // may make the text renderer first responder, so we want to do the selection before this
	
	if(![self.tableView.delegate respondsToSelector:@selector(tableView:shouldSelectRowAtIndexPath:forEvent:)] || [self.tableView.delegate tableView:self.tableView shouldSelectRowAtIndexPath:self.indexPath forEvent:event]){
		[self.tableView selectRowAtIndexPath:self.indexPath animated:self.tableView.animateSelectionChanges scrollPosition:TUITableViewScrollPositionNone];
		_tableViewCellFlags.highlighted = 1;
		[self setNeedsDisplay];
	}
	
	if([self acceptsFirstResponder]) {
		[self.nsWindow makeFirstResponderIfNotAlreadyInResponderChain:self];
	}
}

/**
 * @brief The table cell was dragged
 */
-(void)mouseDragged:(NSEvent *)event {
  // propagate the event
  [super mouseDragged:event];
  // notify our table view of the event
  [self.tableView __mouseDraggedCell:self offset:_mouseOffset event:event];
}

- (void)mouseUp:(NSEvent *)event
{
	[super mouseUp:event];
  // notify our table view of the event
  [self.tableView __mouseUpInCell:self offset:_mouseOffset event:event];
  
	_tableViewCellFlags.highlighted = 0;
	[self setNeedsDisplay];
	
	if([self eventInside:event]) {
		TUITableView *tableView = self.tableView;
		if([tableView.delegate respondsToSelector:@selector(tableView:didClickRowAtIndexPath:withEvent:)]){
			[tableView.delegate tableView:tableView didClickRowAtIndexPath:self.indexPath withEvent:event];
		}
	}
}

- (void)rightMouseDown:(NSEvent *)event{
	[super rightMouseDown:event];
	
	TUITableView *tableView = self.tableView;
	if(![tableView.delegate respondsToSelector:@selector(tableView:shouldSelectRowAtIndexPath:forEvent:)] || [tableView.delegate tableView:tableView shouldSelectRowAtIndexPath:self.indexPath forEvent:event]){
		[tableView selectRowAtIndexPath:self.indexPath animated:tableView.animateSelectionChanges scrollPosition:TUITableViewScrollPositionNone];
		_tableViewCellFlags.highlighted = 1;
		[self setNeedsDisplay];
	}
}

- (void)rightMouseUp:(NSEvent *)event{
	[super rightMouseUp:event];
	_tableViewCellFlags.highlighted = 0;
	[self setNeedsDisplay];
	
	if([self eventInside:event]) {
		TUITableView *tableView = self.tableView;
		if([tableView.delegate respondsToSelector:@selector(tableView:didClickRowAtIndexPath:withEvent:)]){
			[tableView.delegate tableView:tableView didClickRowAtIndexPath:self.indexPath withEvent:event];
		}
	}	
}

- (NSMenu *)menuForEvent:(NSEvent *)event
{
	if([self.tableView.delegate respondsToSelector:@selector(tableView:menuForRowAtIndexPath:withEvent:)]) {
		return [self.tableView.delegate tableView:self.tableView menuForRowAtIndexPath:self.indexPath withEvent:event];
	} else {
		return [super menuForEvent:event];
	}
}

- (BOOL)isHighlighted
{
	return _tableViewCellFlags.highlighted;
}

- (BOOL)isSelected
{
	return _tableViewCellFlags.selected;
}

- (void)setSelected:(BOOL)s
{
	[self setSelected:s animated:NO];
}

- (void)setSelected:(BOOL)s animated:(BOOL)animated
{
	if(animated) {
		[TUIView beginAnimations:NSStringFromSelector(_cmd) context:nil];
	}
	
	_tableViewCellFlags.selected = s;
	
	if(animated) {
		[self redraw];
		[TUIView commitAnimations];
	}
}

- (TUIView *)derepeaterView
{
	return nil;
}

- (id)derepeaterIdentifier
{
	return nil;
}

@end