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229 lines
7.3 KiB
229 lines
7.3 KiB
#pragma once
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#include "core/Swnd.h"
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#include "core/SItemPanel.h"
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#include "interface/SAdapter-i.h"
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#include "interface/STreeViewItemLocator-i.h"
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namespace SOUI
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{
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//////////////////////////////////////////////////////////////////////////
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class SOUI_EXP STreeViewItemLocator : public TObjRefImpl<ITreeViewItemLocator>
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{
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public:
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STreeViewItemLocator(int nIndent=10);
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~STreeViewItemLocator();
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virtual void SetAdapter(ITvAdapter *pAdapter);
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virtual void OnBranchChanged(HTREEITEM hItem);
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virtual void OnBranchExpandedChanged(HTREEITEM hItem,BOOL bExpandedOld,BOOL bExpandedNew);
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virtual int GetTotalHeight() const;
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virtual int GetTotalWidth() const;
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virtual int GetScrollLineSize() const;
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virtual int Item2Position(HTREEITEM hItem) const;
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virtual HTREEITEM Position2Item(int position) const;
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virtual void SetItemWidth(HTREEITEM hItem,int nWidth);
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virtual void SetItemHeight(HTREEITEM hItem,int nHeight);
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virtual int GetItemWidth(HTREEITEM hItem) const;
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virtual int GetItemHeight(HTREEITEM hItem) const;
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virtual int GetItemIndent(HTREEITEM hItem) const;
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virtual int GetIndent() const ;
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virtual void SetIndent(int nIndent) ;
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protected:
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BOOL IsItemExpanded(HTREEITEM hItem) const;
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//更新hItem所在的父窗口中分枝宽度数据
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//hItem:显示宽度发生变化的节点，可以是节点本身宽度变化，也可能是子节点宽度发生了变化
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//nOldWidth：原显示宽度
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//nNewWidth: 新显示宽度
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void _UpdateBranchWidth(HTREEITEM hItem,int nOldWidth,int nNewWidth);
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int _GetBranchWidth(HTREEITEM hBranch) const;
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void _SetBranchWidth(HTREEITEM hBranch,int nWidth);
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void _SetItemWidth(HTREEITEM hItem,int nWidth);
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int _GetBranchHeight(HTREEITEM hItem) const;
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void _SetBranchHeight(HTREEITEM hItem ,int nHeight);
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void _UpdateBranchHeight(HTREEITEM hItem,int nDiff);
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//向后更新兄弟结点的偏移量
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void _UpdateSiblingsOffset(HTREEITEM hItem);
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int _GetItemOffset(HTREEITEM hItem) const;
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void _SetItemOffset(HTREEITEM hItem, int nOffset);
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void _SetItemHeight(HTREEITEM hItem,int nHeight);
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int _GetItemVisibleHeight(HTREEITEM hItem) const;
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int _GetItemVisibleWidth(HTREEITEM hItem) const;
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HTREEITEM _Position2Item(int position,HTREEITEM hParent,int nParentPosition) const;
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BOOL _IsItemVisible(HTREEITEM hItem) const;
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void _InitBranch(HTREEITEM hItem);
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SAutoRefPtr<ITvAdapter> m_adapter;
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int m_nLineHeight;
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int m_nIndent;
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CSize m_szDef;
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};
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class SOUI_EXP STreeView : public SPanel, protected IItemContainer
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{
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SOUI_CLASS_NAME(STreeView, L"treeview")
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friend class STreeViewDataSetObserver;
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public:
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STreeView();
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~STreeView();
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BOOL SetAdapter(ITvAdapter * adapter);
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ITvAdapter * GetAdapter () { return m_adapter; }
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void SetItemLocator(ITreeViewItemLocator *pItemLocator)
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{
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m_tvItemLocator = pItemLocator;
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}
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ITreeViewItemLocator * GetItemLocator() const
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{
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return m_tvItemLocator;
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}
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void SetSel(HTREEITEM hItem,BOOL bNotify=FALSE);
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HTREEITEM GetSel()const{return m_hSelected;}
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SItemPanel * HitTest(CPoint & pt);
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void EnsureVisible(HTREEITEM hItem);
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protected:
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bool OnItemClick(EventArgs *pEvt);
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bool OnItemDblClick(EventArgs *pEvt);
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void onBranchChanged(HTREEITEM hBranch);
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void onBranchInvalidated(HTREEITEM hBranch,bool bInvalidParents, bool bInvalidChildren);
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void onBranchExpandedChanged(HTREEITEM hBranch,BOOL bExpandedOld,BOOL bExpandedNew);
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protected:
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void OnPaint(IRenderTarget * pRT);
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void OnSize(UINT nType, CSize size);
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void OnDestroy();
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void OnKeyDown(TCHAR nChar, UINT nRepCnt, UINT nFlags);//实现键盘选择
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LRESULT OnKeyEvent( UINT uMsg,WPARAM wParam,LPARAM lParam );
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void OnMouseLeave();
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BOOL OnMouseWheel(UINT nFlags, short zDelta, CPoint pt);
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LRESULT OnMouseEvent(UINT uMsg,WPARAM wParam,LPARAM lParam);
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void OnKillFocus(SWND wndFocus);
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void OnSetFocus(SWND wndOld);
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void OnLButtonDown(UINT nFlags, CPoint pt);
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SOUI_MSG_MAP_BEGIN()
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MSG_WM_PAINT_EX(OnPaint)
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MSG_WM_SIZE(OnSize)
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MSG_WM_DESTROY(OnDestroy)
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MSG_WM_KEYDOWN(OnKeyDown)
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MSG_WM_KILLFOCUS_EX(OnKillFocus)
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MSG_WM_SETFOCUS_EX(OnSetFocus)
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MSG_WM_MOUSEWHEEL(OnMouseWheel)
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MSG_WM_MOUSELEAVE(OnMouseLeave)
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MSG_WM_LBUTTONDOWN(OnLButtonDown)
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MSG_WM_LBUTTONDBLCLK(OnLButtonDown)
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MESSAGE_RANGE_HANDLER_EX(WM_MOUSEFIRST,WM_MOUSELAST,OnMouseEvent)
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MESSAGE_RANGE_HANDLER_EX(WM_KEYFIRST,WM_KEYLAST,OnKeyEvent)
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MESSAGE_RANGE_HANDLER_EX(WM_IME_STARTCOMPOSITION,WM_IME_KEYLAST,OnKeyEvent)
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MESSAGE_HANDLER_EX(WM_IME_CHAR, OnKeyEvent)
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MESSAGE_HANDLER_EX(WM_IME_REQUEST,OnKeyEvent)
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SOUI_MSG_MAP_END()
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protected:
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HRESULT OnAttrIndent(const SStringW & strValue,BOOL bLoading);
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SOUI_ATTRS_BEGIN()
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ATTR_CUSTOM(L"indent",OnAttrIndent)
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ATTR_INT(L"wantTab", m_bWantTab,FALSE)
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ATTR_BOOL(L"hasLines", m_bHasLines, TRUE)
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ATTR_SKIN(L"lineSkin", m_pLineSkin, TRUE)
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SOUI_ATTRS_END()
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protected:
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virtual UINT OnGetDlgCode();
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virtual BOOL OnSetCursor(const CPoint &pt);
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virtual BOOL OnUpdateToolTip(CPoint pt, SwndToolTipInfo & tipInfo);
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virtual void OnColorize(COLORREF cr);
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virtual void OnScaleChanged(int nScale);
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virtual HRESULT OnLanguageChanged();
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virtual void OnRebuildFont();
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virtual BOOL OnScroll(BOOL bVertical,UINT uCode,int nPos);
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virtual int GetScrollLineSize(BOOL bVertical);
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virtual BOOL CreateChildren(pugi::xml_node xmlNode);
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virtual void OnItemSetCapture(SItemPanel *pItem,BOOL bCapture); //设置or释放鼠标捕获
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virtual BOOL OnItemGetRect(const SItemPanel *pItem,CRect &rcItem) const; //获得表项的显示位置
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virtual BOOL IsItemRedrawDelay() const; //指示表项的更新方式
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virtual void OnItemRequestRelayout(SItemPanel *pItem); //列表项请求重新布局
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virtual void DrawLines(IRenderTarget *pRT, const CRect &rc, HSTREEITEM hItem);
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protected:
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void UpdateScrollBar();
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void UpdateVisibleItems();
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void RedrawItem(SItemPanel *pItem);
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SItemPanel * GetItemPanel(HTREEITEM hItem);
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void DispatchMessage2Items(UINT uMsg,WPARAM wParam,LPARAM lParam);
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protected:
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SAutoRefPtr<ITvAdapter> m_adapter;
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SAutoRefPtr<ITvDataSetObserver> m_observer;
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SAutoRefPtr<ITreeViewItemLocator> m_tvItemLocator;
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struct ItemInfo
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{
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SItemPanel* pItem;
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int nType;
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};
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SArray<SList<SItemPanel*> *> m_itemRecycle;//item回收站,每一种样式在回收站中保持一个列表，以便重复利用
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SList<ItemInfo> m_visible_items; //可见元素
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typedef SMap<HTREEITEM,ItemInfo> VISIBLEITEMSMAP;
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VISIBLEITEMSMAP * m_pVisibleMap;
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pugi::xml_document m_xmlTemplate;
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SItemPanel * m_itemCapture;
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SItemPanel * m_pHoverItem;
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HTREEITEM m_hSelected; /**< 当前选择项 */
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BOOL m_bWantTab; /**< want tab */
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BOOL m_bHasLines; /**< has lines*/
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SAutoRefPtr<ISkinObj> m_pLineSkin;
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};
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} |