//
//  MultiRowColumnTable.m
//  IBOSS
//
//  Created by apple on 16/10/19.
//  Copyright © 2017年 沈阳东科云信软件有限公司. All rights reserved.
//

#import "MultiRowColumnTable.h"

@implementation DataGridScrollView
@synthesize dataGridComponent;

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    UITouch *t = [touches anyObject];
    if([t tapCount] == 1){
        MultiRowColumnTable *d = (MultiRowColumnTable*)dataGridComponent;
        //int idx = [t locationInView:self].y / d.cellHeight;
        int idx  = [self indexInView:([t locationInView:self].y) Data:d];
        if (idx == -1) {
            return;
        }
        [UIView beginAnimations:nil context:nil];
        [UIView setAnimationDuration:0.65];
        for(int i=0;i<[d.dataSource.titles count];i++){
            UILabel *l = (UILabel*)[dataGridComponent viewWithTag:idx * 1000 + i ];
            l.alpha = .5;
        }
        for(int i=0;i<[d.dataSource.titles count];i++){
            UILabel *l = (UILabel*)[dataGridComponent viewWithTag:idx * 1000 + i ];
            l.alpha = 1.0;
        }
        [UIView commitAnimations];
        
        // 点击事件
        if (d.clickDelegate && [d.clickDelegate respondsToSelector:@selector(ItemClick:)]) {
            [d.clickDelegate ItemClick:idx];
        }
    }
}

/**
 取到当前行的index
 
 @param y <#y description#>
 @param d <#d description#>
 
 @return index
 */
- (int)indexInView:(float)y Data:(MultiRowColumnTable *)d{
    int index = -1;
    float height = 0;
    for(int i=0;i<[d.dataSource.columnHeight count];i++){
        height += [d.dataSource.columnHeight[i] floatValue];
        if ( height>=y) {
            index = i;
            break;
        }
        
    }
    return index;
}

@end

@implementation DataGridComponentDataSource
@synthesize titles,data,columnWidth,columnHeight;
- (instancetype)init
{
    self = [super init];
    if (self) {
        self.data = [[NSMutableArray alloc]init];
        self.columnHeight = [[NSMutableArray alloc]init];
    }
    return self;
}
@end

//声明私有方法
@interface MultiRowColumnTable()

/**
 * 初始化各子视图
 */
- (void)layoutSubView:(CGRect)aRect;


@end

@implementation MultiRowColumnTable

@synthesize dataSource,cellHeight,vRight,vLeft,clickDelegate;

- (id)initWithFrame:(CGRect)aRect data:(DataGridComponentDataSource*)aDataSource{
    self = [super initWithFrame:aRect];
    if(self  !=  nil){
        
        self.clipsToBounds = YES;
        //self.backgroundColor = [UIColor whiteColor];
        self.dataSource = aDataSource;
        if (self.fontTitleSize == 0) {
            self.fontTitleSize = 15.0f;
        }
        
        if (self.fontContentSize == 0) {
            self.fontContentSize = 14.0f;
        }
        if (self.titleBackgroudColor == nil) {
            self.titleBackgroudColor = [UIColor colorWithRed:.7 green:.7 blue:.7 alpha:1];//[UIColor grayColor];
        }
        
        //初始显示视图及Cell的长宽高
        contentWidth = .0;
        cellHeight = 45.0;
        cellWidth = [[dataSource.columnWidth objectAtIndex:0] intValue];
        for(int i=1;i<[dataSource.columnWidth count];i++)
            contentWidth += [[dataSource.columnWidth objectAtIndex:i] intValue];
        contentHeight = [dataSource.data count] * cellHeight;
        contentWidth = contentWidth + [[dataSource.columnWidth objectAtIndex:0] intValue]  < aRect.size.width
        ? aRect.size.width : contentWidth;
        
        //初始化各视图
        [self layoutSubView:aRect];
        
        //        //填冲数据
        //        [self fillData];
        
    }
    return self;
}

//初始化各视图
- (void)layoutSubView:(CGRect)aRect{
    vLeftContent = [[UIView alloc] initWithFrame:CGRectMake(0, 0, aRect.size.width, contentHeight)];
    vRightContent = [[UIView alloc] initWithFrame:CGRectMake(0, 0, aRect.size.width - cellWidth, contentHeight)];
    
    vLeftContent.opaque = YES;
    vRightContent.opaque = YES;
    
    
    //初始化各视图
    vTopLeft = [[UIView alloc] initWithFrame:CGRectMake(0, 0, cellWidth, cellHeight)];
    vTopRight = [[UIView alloc] initWithFrame:CGRectMake(cellWidth, 0, aRect.size.width - cellWidth, cellHeight)];
    
    vLeft = [[DataGridScrollView alloc] initWithFrame:CGRectMake(0, cellHeight, aRect.size.width, aRect.size.height - cellHeight)];
    vRight = [[DataGridScrollView alloc] initWithFrame:CGRectMake(cellWidth, 0, aRect.size.width - cellWidth, contentHeight)];
    
    vLeft.dataGridComponent = self;
    vRight.dataGridComponent = self;
    
    vLeft.opaque = YES;
    vRight.opaque = YES;
    vTopLeft.opaque = YES;
    vTopRight.opaque = YES;
    
    //设置ScrollView的显示内容
    vLeft.contentSize = CGSizeMake(aRect.size.width, contentHeight);
    vRight.contentSize = CGSizeMake(contentWidth,aRect.size.height - cellHeight);
    
    //设置ScrollView参数
    vRight.delegate = self;
    vLeft.delegate = self;
    
    //vTopRight.backgroundColor = [UIColor whiteColor];
    //vRight.backgroundColor = [UIColor whiteColor];
    vTopLeft.backgroundColor =self.titleBackgroudColor ;//[UIColor colorWithRed:.7 green:.7 blue:.7 alpha:1];
    
    //添加各视图
    [vRight addSubview:vRightContent];
    [vLeft addSubview:vLeftContent];
    [vLeft addSubview:vRight];
    [self addSubview:vTopLeft];
    [self addSubview:vLeft];
    
    [vLeft bringSubviewToFront:vRight];
    [self addSubview:vTopRight];
    [self bringSubviewToFront:vTopRight];
}

// 填冲数据
- (void)fillData{
    
    float columnOffset = 0.0;
    
    //填冲标题数据
    for(int column = 0;column < [dataSource.titles count];column++){
        float columnWidth = [[dataSource.columnWidth objectAtIndex:column] floatValue];
        UILabel *l = [[UILabel alloc] initWithFrame:CGRectMake(columnOffset, 0, columnWidth, cellHeight )];
        l.font = [UIFont systemFontOfSize:self.fontTitleSize];
        l.text = [dataSource.titles objectAtIndex:column];
        l.backgroundColor = self.titleBackgroudColor;
        // l.textColor = [UIColor whiteColor];
        //l.textAlignment = NSTextAlignmentCenter;
        if( 0 == column){
            [vTopLeft addSubview:l];
        }
        else{
            [vTopRight addSubview:l];
            columnOffset += columnWidth;
        }
    }
    
    dataSource.columnHeight = [[NSMutableArray alloc]init];
    contentHeight = 0;
    
    //填冲数据内容
    for(int i = 0;i<[dataSource.data count];i++){
        
        NSArray *rowData = [dataSource.data objectAtIndex:i];
        columnOffset = 0.0;
        cellMaxHeight = cellHeight;
        for(int column=0;column<[rowData count];column++){
            float columnWidth = [[dataSource.columnWidth objectAtIndex:column] floatValue];
            UILabel *l = [[UILabel alloc] initWithFrame:CGRectMake(columnOffset, i * cellHeight  , columnWidth, cellHeight -1 )];
            l.numberOfLines = 0;//多行显示，计算高度
            l.font = [UIFont systemFontOfSize:self.fontContentSize];
            // 计算高度
            NSString *labelContent  = [NSString stringWithFormat:@"%@", [rowData objectAtIndex:column]];
            CGSize testSize = [labelContent boundingRectWithSize:CGSizeMake(l.frame.size.width, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:self.fontContentSize]} context:nil].size;
            l.text = labelContent;
            l.textAlignment = NSTextAlignmentLeft;
            l.tag = i * 1000 + column ;
            l.frame = CGRectMake(columnOffset, contentHeight  , columnWidth, testSize.height );
            
            if( 0 == column){
                //l.backgroundColor = [UIColor grayColor];
                [vLeftContent addSubview:l];
            }
            else{
                //l.backgroundColor = [UIColor darkGrayColor];
                [vRightContent addSubview:l];
                columnOffset += columnWidth;
            }
        }
        contentHeight += cellMaxHeight;
        [dataSource.columnHeight addObject:[NSString stringWithFormat:@"%f",cellMaxHeight]];
        
    }
    
    // 重新绘制位置
    vRightContent.frame = CGRectMake(vRightContent.frame.origin.x, vRightContent.frame.origin.y  , vRightContent.frame.size.width, contentHeight );
    vLeftContent.frame = CGRectMake(vLeftContent.frame.origin.x, vLeftContent.frame.origin.y  , vLeftContent.frame.size.width, contentHeight );
    vLeft.contentSize = CGSizeMake(vLeft.frame.size.width, contentHeight + cellMaxHeight);
    //vRight.contentSize = CGSizeMake(vRight.frame.size.width, contentHeight+ cellMaxHeight);
    
}


//---------------以下为右侧scrollview左右滑动事件处发方法-------------------------

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
    if (scrollView == vLeft) {
        //NSLog(@"vLeft");
        return;
    }
    
    if (scrollView == vRight) {
        vTopRight.frame = CGRectMake(cellWidth, 0, vRight.contentSize.width, vTopRight.frame.size.height);
        vTopRight.bounds = CGRectMake(scrollView.contentOffset.x, 0, vTopRight.frame.size.width, vTopRight.frame.size.height);
        vTopRight.clipsToBounds = YES;
        vRightContent.frame = CGRectMake(0, 0  ,
                                         vRight.contentSize.width , contentHeight);
        [self addSubview:vTopRight];
        vRight.frame =CGRectMake(cellWidth, 0, self.frame.size.width - cellWidth, vLeft.contentSize.height);
        [vLeft addSubview:scrollView];
    }
    
}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView{
    
    if (scrollView == vRight) {
        //        vTopRight.frame = CGRectMake(cellWidth, 0, vRight.contentSize.width, vTopRight.frame.size.height);
        //        vTopRight.bounds = CGRectMake(scrollView.contentOffset.x, 0, vTopRight.frame.size.width, vTopRight.frame.size.height);
        //        vTopRight.clipsToBounds = YES;
        //        vRightContent.frame = CGRectMake(0, 0  ,
        //                                         vRight.contentSize.width , contentHeight);
        //        [self addSubview:vTopRight];
        //        vRight.frame =CGRectMake(cellWidth, 0, self.frame.size.width - cellWidth, vLeft.contentSize.height);
        //        [vLeft addSubview:scrollView];
    }
}

- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{
    if (scrollView == vLeft) {
        //NSLog(@"vLeft");
        return;
    }
    if (scrollView == vRight) {
        //NSLog(@"vRight");
        scrollView.frame = CGRectMake(cellWidth, 0, scrollView.frame.size.width, self.frame.size.height);
        vRightContent.frame = CGRectMake(0, cellHeight - vLeft.contentOffset.y  ,
                                         vRight.contentSize.width , contentHeight);
        
        vTopRight.frame = CGRectMake(0, 0, vRight.contentSize.width, vTopRight.frame.size.height);
        vTopRight.bounds = CGRectMake(0, 0, vRight.contentSize.width, vTopRight.frame.size.height);
        [scrollView addSubview:vTopRight];
        [self addSubview:scrollView];
        
    }
    
}
- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{
    if (scrollView == vLeft) {
        //NSLog(@"vLeft");
        return;
    }
    if(!decelerate)
        [self scrollViewDidEndDecelerating:scrollView];
}

@end