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/*
* AQGridViewData.h
* AQGridView
*
* Created by Jim Dovey on 1/3/2010.
* Copyright (c) 2010 Kobo Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of the project's author nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
#import "AQGridView.h"
@interface AQGridViewData : NSObject <NSCopying, NSMutableCopying>
{
AQGridView * __unsafe_unretained _gridView; // weak reference
CGSize _boundsSize;
AQGridViewLayoutDirection _layoutDirection;
CGSize _desiredCellSize; // NB: 'cell' here means a grid cell -- i.e. constant size, tessellating
CGSize _actualCellSize;
CGFloat _topPadding;
CGFloat _bottomPadding;
CGFloat _leftPadding;
CGFloat _rightPadding;
NSUInteger _numberOfItems;
NSUInteger _reorderedIndex;
}
- (id) initWithGridView: (AQGridView *) gridView;
@property (nonatomic) NSUInteger numberOfItems;
@property (nonatomic) CGFloat topPadding, bottomPadding, leftPadding, rightPadding;
@property (nonatomic) AQGridViewLayoutDirection layoutDirection;
// notify this object of changes to the layout parameters
- (void) gridViewDidChangeBoundsSize: (CGSize) boundsSize;
// nabbed from UITableViewRowData-- will we need something like this?
@property (nonatomic) NSUInteger reorderedIndex;
// Turning view locations into item indices
- (NSUInteger) itemIndexForPoint: (CGPoint) point;
- (BOOL) pointIsInLastRow: (CGPoint) point;
// grid cell sizes-- for the layout calculations
- (void) setDesiredCellSize: (CGSize) desiredCellSize;
- (CGSize) cellSize;
// metrics used within the scroll view
- (CGRect) rectForEntireGrid;
- (CGSize) sizeForEntireGrid;
- (NSUInteger) numberOfItemsPerRow;
- (CGRect) cellRectAtIndex: (NSUInteger) index;
- (CGRect) cellRectForPoint: (CGPoint) point;
- (NSIndexSet *) indicesOfCellsInRect: (CGRect) rect; // NB: Grid Cells only-- AQGridViewCells might not actually intersect
@end