CACollectionView

CACollectionView

Class Description

It’s similar to CATableView, implement tableView’s basic functions, mainly used to expand tableView and display data in a more perfect way.

Effect Picture

Base Class

CAScrollView

Attribute

Access modifier	Attribute name	Description
protected	CollectionViewDataSource	data delegate
protected	CollectionViewDelegate	click event delegate
protected	CollectionHeaderView	section’s header view
protected	CollectionFooterView	section footer view
protected	CollectionHeaderHeight	header view height
protected	CollectionFooterHeight	footer view height
protected	HoriInterval	horizontal interval between item
protected	VertInterval	vertical interval between item
protected	AllowsSelection	cell is allowed to select or not
protected	AllowsMultipleSelection	cell is allowed to multiple seclect or not
protected	AlwaysTopSectionHeader	section header stays at the top or not
protected	AlwaysBottomSectionFooter	section footer stays at the top or not

Method

Access modifier	Method name	Description
public	reloadData	refresh tableView
public	setSelectRowAtIndexPath	set current selected item
public	dequeueReusableCellWithIdentifier	Search designated identifier’s cell from reuse queue.

Attribute Description

CollectionViewDataSource
Type: CACollectionViewDataSource*
Descripiton: data delegate is required to set when using collectionView, please refer to detailed interface of delegate class: CACollectionViewDataSource，public get/set{}.
Example:
CACollectionView* p_Conllection=CACollectionView: : createWithCenter(CCRect(size. width*0. 5,size. height*0. 5,size. width,size. height));
p_Conllection->setCollectionViewDataSource(this);
this->getView()->addSubview(p_Conllection);

CollectionViewDelegate
Type: CACollectionViewDelegate*
Descripiton: Click event delegate, delegate class includes interfaces that responds to selected cell and interface that cancels selected cell. you can set this delegate according to actual conditions, please refer to its detailed interface in CACollectionViewDelegate, public get/set{}.
Example:
CACollectionView* p_Conllection=CACollectionView: : createWithCenter(CCRect(size. width*0. 5,size. height*0. 5,size. width,size. height));
p_Conllection->setCollectionViewDelegate(this);
p_Conllection->setCollectionViewDataSource(this);
this->getView()->addSubview(p_Conllection);

CollectionHeaderView
Type: CAView*
Descripiton: collectionView’s header view, get/set{}.

CollectionFooterView
Type: CAView*
Descripiton: collectionView’s footer view, get/set{}.

CollectionHeaderHeight
Type: unsigned int
Descripiton: collectionView’s header view height, get/set{}.

CollectionFooterHeight
Type: unsigned int
Descripiton: collectionView’s footer view height, public get/set{}.

HoriInterval
Type: unsigned int
Descripiton: item’s horizontal interval, a cell in collectionView can be divided into several items, get/set{}.

VertInterval
Type: unsigned int
Descripiton: vertical interval between item, get/set{}.

AllowsSelection
Type: bool
Descripiton: cell is selectable or not, is/set{}.
Example:
CACollectionView* p_Conllection=CACollectionView: : createWithCenter(CCRect(size. width*0. 5,size. height*0. 5,size. width,size. height));
p_Conllection->setCollectionViewDelegate(this);
p_Conllection->setCollectionViewDataSource(this);
p_Conllection->setAllowsSelection(true);
this->getView()->addSubview(p_Conllection);

AllowsMultipleSelection
Type: bool
Descripiton: cell is multi-selectable or not, it must be set as selectable for multi-select setting, public is/set{}.
Example:
CACollectionView* p_Conllection=CACollectionView: : createWithCenter(CCRect(size. width*0. 5,size. height*0. 5,size. width,size. height));
p_Conllection->setCollectionViewDelegate(this);
p_Conllection->setCollectionViewDataSource(this);
p_Conllection->setAllowsSelection(true);
p_Conllection->setAllowsMultipleSelection(true);
this->getView()->addSubview(p_Conllection);

AlwaysTopSectionHeader
Type: bool
Descripiton: allow sectionHeader alway stays tableView’ top or not when cell is sliding out of interface, true by default, is/set{}.

AlwaysBottomSectionFooter
Type: bool
Descripiton: allow sectionFooter alway stays tableView’ bottom or not when cell is sliding out of interface, true by default, is/set{}.

Method Description

void reloadData()
Return value: void
Descripiton: refresh current collectionView, this method will be called to do a force refresh for any data change in collectionView.

void setSelectRowAtIndexPath(unsigned int section, unsigned int row, unsigned int item)
Return value: void
Parameter:

Type	Parameter name	Description
unsigned int	section	clicked section
unsigned int	row	selected cell
unsigned int	item	selected item

Descripiton: you can set the selected data of current collectionView by calling this interface.

CACollectionViewCell dequeueReusableCellWithIdentifier(const char reuseIdentifier)**
Return value: CACollectionViewCell*
Parameter:

Type	Parameter name	Description
const char*	reuseIdentifier	reuse identifier

Descripiton: search designated identifier’s cell from reuse queue, and return NULL if cell does not exist.