CAAutoCollectionViewDataSource

由 ?﹏???ζ???﹏﹏? 创建， 最后一次修改 2016-09-07 类说明：        CAAutoCollectionViewDataSource是数据代理，设置Selection个数及Selection包含Item个数。CAAutoCollectionViewDataSource 方法（点击查看方法介绍）方法说明collectionCellAtIndex获取指定cellcollectionViewSizeForItemAtIndexPath获取对应的collectionView的Item大小numberOfItemsInSection每个Section里的item数量numberOfSections获取collectionView包含的section个数collectionViewSectionViewForHeaderInSectionheaderView的内容collectionViewHeightForHeaderInSection每个section的headerViewcollectionViewSectionViewForFooterInSectionfooterView的内容collectionViewHeightForFooterInSection每个section的footerViewcollectionViewWillDisplayCellAtIndex回调当前将要显示的collectionViewCAAutoCollectionViewDataSource 方法说明    virtual CACollectionViewCell* collectionCellAtIndex(CAAutoCollectionView *collectionView, const DSize& cellSize, unsigned int section, unsigned int item);返回值：CACollectionViewCell* 参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionViewconst DSize& cellSizecell大小unsigned intsectionsectionunsigned intitem项目解释：获取指定cellvirtual DSize collectionViewSizeForItemAtIndexPath(CAAutoCollectionView* collectionView, unsigned int section, unsigned int item);返回值：DSize参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionViewunsigned intsectionsectionunsigned intitem项目解释：获取对应的collectionView的Item大小virtual unsigned int numberOfItemsInSection(CAAutoCollectionView *collectionView, unsigned int section);返回值：unsigned int 参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionViewunsigned intsectionsection解释：每个Section里的item数量virtual unsigned int numberOfSections(CAAutoCollectionView *collectionView);返回值：unsigned int参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionView解释：获取collectionView包含的section个数virtual CAView* collectionViewSectionViewForHeaderInSection(CAAutoCollectionView *collectionView, const DSize& viewSize, unsigned int section);返回值：CAView* 参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionViewconst DSize&viewSizeview大小unsigned intsectionsection解释：headerView的内容virtual unsigned int collectionViewHeightForHeaderInSection(CAAutoCollectionView *collectionView, unsigned int section);返回值：unsigned int参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionViewunsigned intsectionsection解释：每个section的headerViewvirtual CAView* collectionViewSectionViewForFooterInSection(CAAutoCollectionView *collectionView, const DSize& viewSize, unsigned int section);返回值：CAView*参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionViewconst DSize&viewSizeview大小unsigned intsectionsection解释：footerView的内容virtual unsigned int collectionViewHeightForFooterInSection(CAAutoCollectionView *collectionView, unsigned int section);返回值：unsigned int 参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionViewunsigned intsectionsection解释：每个section的footerViewvirtual void collectionViewWillDisplayCellAtIndex(CAAutoCollectionView* table, CACollectionViewCell* cell, unsigned int section, unsigned int item) {};返回值：void参数：类型参数名说明CAAutoCollectionView*collectionView当前collectionViewCACollectionViewCell* cellcellunsigned intsectionsectionunsigned intitem项目解释：回调当前将要显示的collectionView