IOS - Excel 표 제작

//
//  HJExcelView.h
//  mehr    
//
//  Created by    on 14-6-9.
//  Copyright (c) 2014  Hjsj. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "HJExcelViewCell.h"

@protocol HJExcelViewViewDelegate, HJExcelViewViewDataSource;


@interface HJExcelView : UIView <HJExcelViewViewCellDelegate>

/**      */
@property (nonatomic, assign) id <HJExcelViewViewDataSource> dataSource;
/**     */
@property (nonatomic, assign) id <HJExcelViewViewDelegate>   delegate;

/**     */
@property (nonatomic, strong) UIColor *borderColor;
/**     (>0    ，   1.0)*/
@property (nonatomic)         CGFloat borderWidth;

/** cell      */
@property (nonatomic) CGFloat  cellToBordeSpace;

/**
 *        
 *
 *  @return void
 */
- (void)reloadData;

@end


@protocol HJExcelViewViewDelegate <NSObject>

@optional

/**
 *    cell
 *
 *  @param excelView HJExcelView
 *  @param indexPath   
 *
 *  @return void
 */
- (void)excelView:(HJExcelView *)excelView didSelectRowAtIndexPath:(NSIndexPath *)indexPath;

/**
 *  cell   ，  40，   borderWidth／2
 *
 *  @param excelView HJExcelView
 *  @param row        
 *
 *  @return CGFloat
 */
- (CGFloat)excelView:(HJExcelView *)excelView heightForRow:(NSInteger)row;

/**
 *  cell   ，  :60,   borderWidth／2
 *
 *  @param excelView HJExcelView
 *  @param section    
 *
 *  @return CGFloat
 */
- (CGFloat)excelView:(HJExcelView *)excelView widthInSection:(NSInteger)section;

@end


@protocol HJExcelViewViewDataSource <NSObject>

@required

/**
 *        
 *
 *  @param excelView HJExcelView
 *
 *  @return NSInteger
 */
- (NSInteger)numberOfRowsInExcelView:(HJExcelView *)excelView;

/**
 *        
 *
 *  @param excelView HJExcelView
 *
 *  @return NSInteger
 */
- (NSInteger)numberOfSectionsInExcelView:(HJExcelView *)excelView;

/**
 *    cell
 *
 *  @param cell           HJExcelViewCell
 *  @param indexPath   
 *
 *  @return HJExcelViewCell
 */
- (HJExcelViewCell *)excelViewCell:(HJExcelViewCell *)cell cellForRowAtIndexPath:(NSIndexPath *)indexPath;

@end

 //
//  HJExcelView.m
//  mehr
//
//  Created by    on 14-6-9.
//  Copyright (c) 2014  Hjsj. All rights reserved.
//

#import "HJExcelView.h"
#import "HJExcelViewPoint.h"

@interface HJExcelView ()
{
@private
    /**   */
    UIView *_boardView;
    /**   */
    UIView *_contentView;
    
    /**      */
    NSMutableArray *_cellRowArray, *_cellSectionArray;
}

@end


@implementation HJExcelView

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        _boardView = [[UIView alloc] initWithFrame:self.frame];
        [self addSubview:_boardView];
        //     
        //   
        UIPanGestureRecognizer *panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePan:)];
        [_boardView addGestureRecognizer:panRecognizer];
    }
    return self;
}

#pragma mark  -     
- (void)handlePan:(UIPanGestureRecognizer *)recognizer
{
    //   
    CGPoint translatedPoint = [recognizer translationInView:_boardView];
    //   
    CGFloat x = recognizer.view.center.x + translatedPoint.x;
    CGFloat y = recognizer.view.center.y + translatedPoint.y;
    
    //     
    CGFloat contentWidth  = _contentView.frame.size.width / 2;
    CGFloat contentHeight = _contentView.frame.size.height / 2;
    CGFloat mainWidth  = self.frame.size.width / 2;
    CGFloat mainHeight = self.frame.size.height / 2;

    //    
    if (translatedPoint.y < 0)
    {
        //           
        if (contentHeight < mainHeight)
        {
            //            
            y = y > contentHeight ? y : contentHeight;
        }
    }
    //    
    else
    {
        //           
        if (contentHeight < mainHeight)
        {
            //            
            y = y < self.frame.size.height - contentHeight ? y : self.frame.size.height - contentHeight;
        }
    }
    
    //    
    if (translatedPoint.x < 0)
    {
        //           
        if (contentWidth < mainWidth)
        {
            //            
            x = x > contentWidth ? x : contentWidth;
        }

    }
    //    
    else
    {
        if (contentWidth < mainWidth)
        {
            //            
            x = x < self.frame.size.width - contentWidth ? x : self.frame.size.width - contentWidth;
        }
        
    }
    
    //   
    recognizer.view.center = CGPointMake(x, y);
    
    //      
    [recognizer setTranslation:CGPointMake(0, 0) inView:_boardView];
}

#pragma mark -       
- (UIColor *)borderColor
{
    //        
    _borderColor = _borderColor ? _borderColor : [UIColor colorWithWhite:0.821 alpha:1.000];
    
    return _borderColor;
}

#pragma mark       
- (CGFloat)borderWidth
{
    //        
    _borderWidth = _borderWidth > 0 ? _borderWidth : 1.0;
    
    return _borderWidth;
}

#pragma mark -     
- (void)reloadData
{
    //          
    if ([self.dataSource respondsToSelector:@selector(numberOfSectionsInExcelView:)] && [self.dataSource respondsToSelector:@selector(numberOfRowsInExcelView:)] && [self.dataSource respondsToSelector:@selector(excelViewCell:cellForRowAtIndexPath:)])
    {
        //        
        [_contentView removeFromSuperview];
        _contentView = [[UIView alloc] initWithFrame:self.frame];
        [_boardView addSubview:_contentView];
        
        //  
        NSInteger rows = [self.dataSource numberOfRowsInExcelView:self];
        //  
        NSInteger sections = [self.dataSource numberOfSectionsInExcelView:self];
       
        CGFloat borderWidth = self.borderWidth / 2;
        
        // cell     
        CGRect frame = CGRectMake(borderWidth + self.cellToBordeSpace * 2, borderWidth + self.cellToBordeSpace * 2, 0, 0);
        
        _cellRowArray     = [NSMutableArray array];
        _cellSectionArray = [NSMutableArray array];
        
        NSInteger sumHeight = 0, sumWidth = 0;
        
        //    
        for (int row = 0; row < rows; row ++ )
        {
            //   
            frame.size.height = [self heightForRow:row];
            //     
            HJExcelViewPoint *point = [HJExcelViewPoint excelViewPointWithX:frame.origin.x y:frame.origin.y];
            [_cellRowArray addObject:point];
            
            //    
            for (int section = 0; section < sections; section ++ )
            {
                //   
                frame.size.width = [self widthInSection:section];
                //   
                 NSIndexPath *indexPath = [NSIndexPath indexPathForRow:row inSection:section];
                
                 [self addExcelViewCellWithIndexPath:indexPath frame:frame];
                
                if (row == 0)
                {
                    //     
                    HJExcelViewPoint *point = [HJExcelViewPoint excelViewPointWithX:frame.origin.x y:frame.origin.y];
                    [_cellSectionArray addObject:point];
                }
                //      
                frame.origin.x += frame.size.width + self.cellToBordeSpace * 2;
            }
            
            //     0   
            frame.origin.y += frame.size.height + self.cellToBordeSpace * 2;
            //          ,    
            if (row == rows - 1)
            {
                sumHeight = frame.origin.y;
                sumWidth = frame.origin.x;
            }
            frame.origin.x = self.borderWidth / 2 + self.cellToBordeSpace * 2;
        }
        
        //    
        HJExcelViewPoint *point;
        UIView *line;
        
        sumHeight -= self.cellToBordeSpace * 2;
        sumWidth  -= self.cellToBordeSpace * 2;
        
        //   
        for (int row = 0; row < rows; row ++ )
        {
            point = [_cellRowArray objectAtIndex:row];
            line = [[UIView alloc] initWithFrame:CGRectMake(point.x - borderWidth - self.cellToBordeSpace, point.y - borderWidth - self.cellToBordeSpace, sumWidth, self.borderWidth)];
            line.backgroundColor = self.borderColor;
            [_contentView addSubview:line];
        }

        //      
        line = [[UIView alloc] initWithFrame:CGRectMake(point.x - borderWidth - self.cellToBordeSpace, sumHeight - borderWidth + self.cellToBordeSpace, sumWidth, self.borderWidth)];
        line.backgroundColor = self.borderColor;
        [_contentView addSubview:line];
        
        //   
        for (int section = 0; section < sections; section ++ )
        {
            point = [_cellSectionArray objectAtIndex:section];
            line = [[UIView alloc] initWithFrame:CGRectMake(point.x - borderWidth - self.cellToBordeSpace, point.y - borderWidth - self.cellToBordeSpace, self.borderWidth, sumHeight)];
            line.backgroundColor = self.borderColor;
            [_contentView addSubview:line];
        }
        //      
        line = [[UIView alloc] initWithFrame:CGRectMake(sumWidth - borderWidth + self.cellToBordeSpace, point.y - borderWidth - self.cellToBordeSpace, self.borderWidth, sumHeight)];
        line.backgroundColor = self.borderColor;
        [_contentView addSubview:line];
        
        //     
        frame = _boardView.frame;
        frame.origin.x = - self.frame.size.width / 2;
        frame.origin.y = - self.frame.size.height / 2;
        frame.size.height = self.borderWidth + self.cellToBordeSpace + sumHeight + self.frame.size.height;
        frame.size.width  = self.borderWidth + self.cellToBordeSpace + sumWidth + self.frame.size.width;
        _boardView.frame = frame;
        
        //     
        frame = _contentView.frame;
        frame.origin.x = self.frame.size.width / 2;
        frame.origin.y = self.frame.size.height / 2;
        frame.size.height = self.borderWidth + self.cellToBordeSpace + sumHeight;
        frame.size.width  = self.borderWidth + self.cellToBordeSpace + sumWidth;
        _contentView.frame = frame;
    }
    
}

#pragma mark - cell   
- (CGFloat)heightForRow:(NSInteger)row
{
    if ([self.delegate respondsToSelector:@selector(excelView:heightForRow:)])
    {
        return [self.delegate excelView:self heightForRow:row];
    }
    else
    {
        return 44;
    }
}

#pragma mark cell   
- (CGFloat)widthInSection:(NSInteger)section
{
    if ([self.delegate respondsToSelector:@selector(excelView:heightForRow:)])
    {
        return [self.delegate excelView:self widthInSection:section];
    }
    else
    {
        return 70;
    }
}

#pragma mark -     cell
- (void)addExcelViewCellWithIndexPath:(NSIndexPath *)indexPath frame:(CGRect)frame
{
    //    cell
    HJExcelViewCell *cell = [[HJExcelViewCell alloc] initWithFrame:frame];
    //       cell     
    cell = [self.dataSource excelViewCell:cell cellForRowAtIndexPath:indexPath];
    //     
    cell.frame = frame;
    //     
    cell.indexPath = indexPath;
    //   
    cell.excelViewDelegate = self;
    //       
    [_contentView addSubview:cell];

}

#pragma mark - HJExcelViewViewCellDelegate
- (void)excelViewCell:(HJExcelViewCell *)excelViewCell didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    //               
    if (excelViewCell.selected && [self.delegate respondsToSelector:@selector(excelView:didSelectRowAtIndexPath:)])
    {
        //      ，   
        [self.delegate excelView:self didSelectRowAtIndexPath:excelViewCell.indexPath];
    }
}

@end

//
//  HJExcelViewCell.h
//  mehr
//
//  Created by    on 14-6-10.
//  Copyright (c) 2014  Hjsj. All rights reserved.
//

#import <UIKit/UIKit.h>

@protocol HJExcelViewViewCellDelegate;

@interface HJExcelViewCell : UIView

/**     ，  no  */
@property (nonatomic) BOOL selected;

//    , HJExcelView  ，      
/**   */
@property (nonatomic, strong) NSIndexPath *indexPath;
@property (nonatomic, assign) id <HJExcelViewViewCellDelegate> excelViewDelegate;

@end




//  HJExcelView  ，      
@protocol HJExcelViewViewCellDelegate <NSObject>

@optional

/**
 *    cell
 *
 *  @param excelViewCell HJExcelViewCell
 *  @param indexPath   
 *
 *  @return void
 */
- (void)excelViewCell:(HJExcelViewCell *)excelViewCell didSelectRowAtIndexPath:(NSIndexPath *)indexPath;

@end

//
//  HJExcelViewCell.m
//  mehr
//
//  Created by    on 14-6-10.
//  Copyright (c) 2014  Hjsj. All rights reserved.
//

#import "HJExcelViewCell.h"

@implementation HJExcelViewCell

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code
    }
    return self;
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    [self.excelViewDelegate excelViewCell:self didSelectRowAtIndexPath:self.indexPath];
}

@end

//
//  HJExcelViewPoint.h
//  mehr
//
//  Created by    on 14-6-10.
//  Copyright (c) 2014  Hjsj. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface HJExcelViewPoint : NSObject

/**   x*/
@property (nonatomic) CGFloat x;
/**   y*/
@property (nonatomic) CGFloat y;

/**
 *      
 *
 *  @param x x
 *  @param y y
 *
 *  @return HJExcelViewPoint
 */
+ (id)excelViewPointWithX:(CGFloat)x y:(CGFloat)y;

@end

//
//  HJExcelViewPoint.m
//  mehr
//
//  Created by    on 14-6-10.
//  Copyright (c) 2014  Hjsj. All rights reserved.
//

#import "HJExcelViewPoint.h"

@implementation HJExcelViewPoint

+ (id)excelViewPointWithX:(CGFloat)x y:(CGFloat)y
{
    HJExcelViewPoint *point = [[[self class] alloc] init];
    
    point.x = x;
    point.y = y;
    
    return point;
}

@end