mirror of https://github.com/axmolengine/axmol.git
330 lines
8.7 KiB
C++
330 lines
8.7 KiB
C++
/****************************************************************************
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Copyright (c) 2012 cocos2d-x.org
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Copyright (c) 2010 Sangwoo Im
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __CCTABLEVIEW_H__
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#define __CCTABLEVIEW_H__
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#include "CCScrollView.h"
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#include "CCTableViewCell.h"
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#include <set>
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#include <vector>
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NS_CC_EXT_BEGIN
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class TableView;
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/**
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* Sole purpose of this delegate is to single touch event in this version.
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*/
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class TableViewDelegate : public ScrollViewDelegate
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{
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public:
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/**
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* Delegate to respond touch event
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*
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* @param table table contains the given cell
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* @param cell cell that is touched
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* @js NA
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* @lua NA
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*/
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virtual void tableCellTouched(TableView* table, TableViewCell* cell) = 0;
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/**
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* Delegate to respond a table cell press event.
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*
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* @param table table contains the given cell
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* @param cell cell that is pressed
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* @js NA
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* @lua NA
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*/
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virtual void tableCellHighlight(TableView* table, TableViewCell* cell){};
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/**
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* Delegate to respond a table cell release event
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*
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* @param table table contains the given cell
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* @param cell cell that is pressed
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* @js NA
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* @lua NA
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*/
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virtual void tableCellUnhighlight(TableView* table, TableViewCell* cell){};
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/**
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* Delegate called when the cell is about to be recycled. Immediately
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* after this call the cell will be removed from the scene graph and
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* recycled.
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*
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* @param table table contains the given cell
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* @param cell cell that is pressed
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* @js NA
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* @lua NA
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*/
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virtual void tableCellWillRecycle(TableView* table, TableViewCell* cell){};
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};
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/**
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* Data source that governs table backend data.
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*/
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class TableViewDataSource
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{
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public:
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/**
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* @js NA
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* @lua NA
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*/
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virtual ~TableViewDataSource() {}
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/**
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* cell size for a given index
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*
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* @param idx the index of a cell to get a size
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* @return size of a cell at given index
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*/
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virtual Size tableCellSizeForIndex(TableView *table, long idx) {
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return cellSizeForTable(table);
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};
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/**
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* cell height for a given table.
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*
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* @param table table to hold the instances of Class
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* @return cell size
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*/
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virtual Size cellSizeForTable(TableView *table) {
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return Size::ZERO;
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};
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/**
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* a cell instance at a given index
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*
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* @param idx index to search for a cell
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* @return cell found at idx
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*/
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virtual TableViewCell* tableCellAtIndex(TableView *table, long idx) = 0;
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/**
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* Returns number of cells in a given table view.
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*
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* @return number of cells
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*/
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virtual long numberOfCellsInTableView(TableView *table) = 0;
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};
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/**
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* UITableView support for cocos2d-x.
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*
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* This is a very basic, minimal implementation to bring UITableView-like component into cocos2d world.
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*/
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class TableView : public ScrollView, public ScrollViewDelegate
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{
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public:
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enum class VerticalFillOrder
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{
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TOP_DOWN,
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BOTTOM_UP
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};
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/**
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* An intialized table view object
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*
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* @param dataSource data source
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* @param size view size
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* @return table view
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* @code
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* when this function bound to js or lua,the input params are changed
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* in js:var create(var jsObject,var size)
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* in lua:local create(var size)
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* in lua:
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* @endcode
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*/
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static TableView* create(TableViewDataSource* dataSource, Size size);
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/**
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* An initialized table view object
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*
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* @param dataSource data source;
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* @param size view size
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* @param container parent object for cells
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* @return table view
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* @code
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* when this function bound to js or lua,the input params are changed
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* in js:var create(var jsObject,var size,var container)
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* in lua:local create(var size, var container)
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* in lua:
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* @endcode
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*/
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static TableView* create(TableViewDataSource* dataSource, Size size, Node *container);
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/**
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* @js ctor
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*/
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TableView();
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/**
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* @js NA
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* @lua NA
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*/
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virtual ~TableView();
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bool initWithViewSize(Size size, Node* container = NULL);
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/**
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* data source
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* @js NA
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* @lua NA
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*/
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TableViewDataSource* getDataSource() { return _dataSource; }
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/**
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* when this function bound to js or lua,the input params are changed
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* in js:var setDataSource(var jsSource)
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* in lua:local setDataSource()
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* @endcode
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*/
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void setDataSource(TableViewDataSource* source) { _dataSource = source; }
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/**
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* delegate
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* @js NA
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* @lua NA
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*/
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TableViewDelegate* getDelegate() { return _tableViewDelegate; }
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/**
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* @code
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* when this function bound to js or lua,the input params are changed
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* in js:var setDelegate(var jsDelegate)
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* in lua:local setDelegate()
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* @endcode
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*/
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void setDelegate(TableViewDelegate* pDelegate) { _tableViewDelegate = pDelegate; }
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/**
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* determines how cell is ordered and filled in the view.
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*/
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void setVerticalFillOrder(VerticalFillOrder order);
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VerticalFillOrder getVerticalFillOrder();
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/**
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* Updates the content of the cell at a given index.
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*
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* @param idx index to find a cell
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*/
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void updateCellAtIndex(long idx);
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/**
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* Inserts a new cell at a given index
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*
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* @param idx location to insert
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*/
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void insertCellAtIndex(long idx);
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/**
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* Removes a cell at a given index
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*
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* @param idx index to find a cell
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*/
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void removeCellAtIndex(long idx);
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/**
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* reloads data from data source. the view will be refreshed.
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*/
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void reloadData();
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/**
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* Dequeues a free cell if available. nil if not.
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*
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* @return free cell
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*/
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TableViewCell *dequeueCell();
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/**
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* Returns an existing cell at a given index. Returns nil if a cell is nonexistent at the moment of query.
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*
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* @param idx index
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* @return a cell at a given index
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*/
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TableViewCell *cellAtIndex(long idx);
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// Overrides
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virtual void scrollViewDidScroll(ScrollView* view) override;
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virtual void scrollViewDidZoom(ScrollView* view) override {}
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virtual bool onTouchBegan(Touch *pTouch, Event *pEvent) override;
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virtual void onTouchMoved(Touch *pTouch, Event *pEvent) override;
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virtual void onTouchEnded(Touch *pTouch, Event *pEvent) override;
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virtual void onTouchCancelled(Touch *pTouch, Event *pEvent) override;
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protected:
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long __indexFromOffset(Point offset);
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long _indexFromOffset(Point offset);
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Point __offsetFromIndex(long index);
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Point _offsetFromIndex(long index);
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void _moveCellOutOfSight(TableViewCell *cell);
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void _setIndexForCell(long index, TableViewCell *cell);
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void _addCellIfNecessary(TableViewCell * cell);
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void _updateCellPositions();
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TableViewCell *_touchedCell;
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/**
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* vertical direction of cell filling
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*/
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VerticalFillOrder _vordering;
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/**
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* index set to query the indexes of the cells used.
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*/
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std::set<long>* _indices;
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/**
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* vector with all cell positions
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*/
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std::vector<float> _vCellsPositions;
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//NSMutableIndexSet *indices_;
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/**
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* cells that are currently in the table
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*/
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Vector<TableViewCell*> _cellsUsed;
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/**
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* free list of cells
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*/
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Vector<TableViewCell*> _cellsFreed;
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/**
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* weak link to the data source object
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*/
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TableViewDataSource* _dataSource;
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/**
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* weak link to the delegate object
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*/
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TableViewDelegate* _tableViewDelegate;
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Direction _oldDirection;
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bool _isUsedCellsDirty;
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public:
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void _updateContentSize();
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};
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NS_CC_EXT_END
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#endif /* __CCTABLEVIEW_H__ */
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