jixin_new/shiku_im/OrganizTree/RATreeView/Private Files/RATreeNodeItem.m

//The MIT License (MIT)
//
//Copyright (c) 2014 Rafał Augustyniak
//
//Permission is hereby granted, free of charge, to any person obtaining a copy of
//this software and associated documentation files (the "Software"), to deal in
//the Software without restriction, including without limitation the rights to
//use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
//the Software, and to permit persons to whom the Software is furnished to do so,
//subject to the following conditions:
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
//FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
//COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
//CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//


#import "RATreeNodeItem.h"
#import "RATreeNodeItem+Private.h"
#import "RATreeNodeItem+ClassExtension.h"


@implementation RATreeNodeItem

- (instancetype)initWithParent:(id)parent index:(NSInteger)index
{
  self = [super init];
  if (self) {
    _parent = parent;
    _index = index;
  }
  
  return self;
}

- (id)item
{
  if (!_item) {
    _item = [self.dataSource itemForTreeNodeItem:self];
  }
  return _item;
}

@end