Row-based waterfall view

Source code introduction

The demo shows a row-based waterfall view, which only supports ARC mode.

Source code screenshot:

[[128131]]

Source code snippet:

 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
 {
    BDRowInfo *ri = [_rowInfos objectAtIndex:indexPath.row];
 static NSString *CellIdentifier = @ "Cell" ;
    BDDynamicGridCell *cell = [tableView dequeueReusableCellWithIdentifier:[CellIdentifier stringByAppendingFormat:@ "_viewCount%d" , ri.viewsPerCell]]; 
      
 if (!cell) {
        cell = [[BDDynamicGridCell alloc] initWithLayoutStyle:BDDynamicGridCellLayoutStyleFill
                                              reuseIdentifier:CellIdentifier]; 
          
        cell.viewBorderWidth = 1 ; 
          
        UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action: @selector (didLongPress:)];
        longPress.numberOfTouchesRequired = 1 ;
        [cell.gridContainerView addGestureRecognizer:longPress]; 
          
        UITapGestureRecognizer *doubleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action: @selector (didDoubleTap:)];
        doubleTap.numberOfTapsRequired = 2 ;
        doubleTap.delaysTouchesBegan = YES;
        [cell.gridContainerView addGestureRecognizer:doubleTap]; 
          
        UITapGestureRecognizer *singleTap = [[UITapGestureRecognizer alloc] initWithTarget:self action: @selector (didSingleTap:)];
        singleTap.numberOfTapsRequired = 1 ;
        singleTap.delaysTouchesBegan = YES;
        [cell.gridContainerView addGestureRecognizer:singleTap];
        [singleTap requireGestureRecognizerToFail:doubleTap];
 } 
      
 //clear for updated list of views  
 [cell setViews:nil];
    cell.viewBorderWidth = self.borderWidth;
    cell.backgroundColor = nil; 
  
 cell.rowInfo = ri;
    NSArray * viewsForRow = [NSArray array];
 for ( int i= 0 ; i<ri.viewspercell; i++)= "" {= "" viewsforrow= "[viewsForRow" arraybyaddingobject:[self.delegate= "" viewatindex:i= "" += "" ri.accumulatedviews= "" rowinfo:ri]];= "" }= "" nsassert(viewsforrow.count= "" > 0 , @ "number of views per row must be greater than 0" );
    [cell setViews:viewsForRow]; 
      
 return cell;
 }</ri.viewspercell;>

Source code link: http://download..com/data/1984619