411 lines
11 KiB
C++
411 lines
11 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#if !defined(AFX_EDITABLE_RANGE_H__0B1EFF2B_FA0E_4AC8_88B8_416605043BF9__INCLUDED_)
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#define AFX_EDITABLE_RANGE_H__0B1EFF2B_FA0E_4AC8_88B8_416605043BF9__INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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// editable_range.h : header file
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//
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#include <string>
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#include "edit_attrib_dlg.h"
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#include "range_manager.h"
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#include "range_selector.h"
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#include "ps_wrapper.h"
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#include "bound_checker.h"
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#include "particle_workspace.h"
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/////////////////////////////////////////////////////////////////////////////
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// CEditableRange dialog
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class CEditableRange : public CEditAttribDlg
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{
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public:
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/**
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* Construct the dialog by giving it an Id. It will be used to save the user preference.
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* Each dialog of this type must have its own id in the app.
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*/
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CEditableRange(const std::string &id, CParticleWorkspace::CNode *node); // standard constructor
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// Dialog Data
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//{{AFX_DATA(CEditableRange)
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enum { IDD = IDD_EDITABLE_RANGE };
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CSliderCtrl m_SliderCtrl;
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CEdit m_ValueCtrl;
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CButton m_UpdateValue;
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CButton m_SelectRange;
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CString m_MinRange;
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CString m_MaxRange;
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CString m_Value;
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int m_SliderPos;
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//}}AFX_DATA
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// Overrides
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// ClassWizard generated virtual function overrides
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//{{AFX_VIRTUAL(CEditableRange)
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protected:
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virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
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//}}AFX_VIRTUAL
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// init the dialog at the given position
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public:
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virtual void init(uint32 x, uint32 y, CWnd *pParent);
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BOOL EnableWindow( BOOL bEnable = TRUE );
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public:
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/// for derivers : this must querries the value to the desired manager and set the dialog values
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virtual void updateRange(void) = 0;
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/** for derivers : value update from a linked object (reader). See examples in subclasses
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*/
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virtual void updateValueFromReader(void) = 0;
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// empty the values and the slider
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void emptyDialog(void);
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// validate the lower an upper bound of a range from their string representation
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virtual bool editableRangeValueValidator(const CString &lo, const CString &up) = 0;
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// update the dialog display
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void update();
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// Implementation
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protected:
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/** for derivers : value update : this is call with a float ranging from 0.f to 1.f (from the slider)
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* And it must convert it to the desired value, changing the value of this dialog
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*/
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virtual void updateValueFromSlider(double sliderValue) = 0;
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/// the text has changed, and the user has pressed update
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virtual void updateValueFromText(void) = 0;
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// the range tune button was pressed. It muist show a dialog that allows the user to choose the range he wants
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virtual void selectRange(void) = 0;
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// the unique id of this dialog
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std::string _Id;
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CParticleWorkspace::CNode *_Node; // Node that owns the value
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// Generated message map functions
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//{{AFX_MSG(CEditableRange)
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virtual BOOL OnInitDialog();
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afx_msg void OnReleasedcaptureSlider(NMHDR* pNMHDR, LRESULT* pResult);
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afx_msg void OnSelectRange();
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afx_msg void OnSetfocusValue();
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afx_msg void OnUpdateValue();
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afx_msg void OnKillfocusValue();
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afx_msg void OnChangeValue();
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afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
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//}}AFX_MSG
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DECLARE_MESSAGE_MAP()
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};
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/** here, we define a template for editable ranges EditableRanges, that help to instanciate it
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* Derivers have just to specialize 2 static methods : value2CString and string2value
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*/
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template <typename T>
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class CEditableRangeT : public CEditableRange, public CBoundChecker<T>
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{
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public:
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/// ctor, it gives the range for the values
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CEditableRangeT(const std::string &id, CParticleWorkspace::CNode *node, T defaultMin, T defaultMax)
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: CEditableRange(id, node), _Range(defaultMin, defaultMax), _Wrapper(NULL)
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{
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}
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/** set an interface of a wrapper to read / write values in the particle system
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* NB : The 'OwnerNode' field of the wrapper if set to the value given when to 'node' when this object was constructed
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*/
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void setWrapper(IPSWrapper<T> *wrapper) { _Wrapper = wrapper; _Wrapper->OwnerNode = _Node; }
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public:
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// SPECIALIZE THAT. write value into the given CString
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static void value2CString(T value, CString &dest);
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// SPECIALIZE THAT. convert a CString into a value, return NULL if ok, or a pointer to an error message
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static const char *string2value(const CString &value, T &result);
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void updateRange(void)
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{
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// retrieve our range
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_Range = CRangeManager<T>::GetRange(_Id, _Range.first, _Range.second);
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value2CString(_Range.first, m_MinRange);
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value2CString(_Range.second, m_MaxRange);
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/* if (_Wrapper)
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{
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setValue(_Wrapper->get());
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}*/
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UpdateData(FALSE);
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}
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void updateValueFromReader(void)
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{
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if (_Wrapper)
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{
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setValue(_Wrapper->get());
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}
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}
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protected:
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void updateValueFromText(void)
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{
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T value;
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const char *message = string2value(m_Value, value);
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if (!message)
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{
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const char *mess = validateUpperBound(value)
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,*mess2 = validateLowerBound(value);
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if (mess || mess2)
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{
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MessageBox(mess ? mess : mess2, "error");
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return;
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}
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_Wrapper->setAndUpdateModifiedFlag(value);
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setValue(value);
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return;
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}
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MessageBox(message, "error");
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}
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void selectRange(void)
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{
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CString lowerBound, upperBound;
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value2CString(_Range.first, lowerBound);
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value2CString(_Range.second, upperBound);
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CRangeSelector rs(lowerBound, upperBound, this);
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if (rs.DoModal() == IDOK)
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{
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string2value(rs.getLowerBound(), _Range.first);
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string2value(rs.getUpperBound(), _Range.second);
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CRangeManager<T>::SetRange(_Id, _Range.first, _Range.second);
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updateRange();
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}
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}
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void updateValueFromSlider(double sliderValue)
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{
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nlassert(_Wrapper);
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T value = _Range.first + (T) ((_Range.second - _Range.first) * sliderValue);
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value2CString(value, m_Value);
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if (_Wrapper)
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{
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_Wrapper->setAndUpdateModifiedFlag(value);
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}
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UpdateData(FALSE);
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}
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/// set a new value that will affect both slider and value display
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void setValue(T value)
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{
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value2CString(value, m_Value);
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// _Wrapper->set(value);
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if (value < _Range.first)
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{
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m_SliderPos = (uint) (m_SliderCtrl.GetRangeMin());
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}
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else
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if (value > _Range.second)
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{
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m_SliderPos = (uint) (m_SliderCtrl.GetRangeMax());
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}
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else
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{
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if (_Range.second != _Range.first)
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{
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m_SliderPos = (uint) ((double) (value - _Range.first) / (_Range.second - _Range.first) * (m_SliderCtrl.GetRangeMax() - m_SliderCtrl.GetRangeMin())
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+ m_SliderCtrl.GetRangeMin());
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}
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else
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{
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m_SliderPos = m_SliderCtrl.GetRangeMin();
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}
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}
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UpdateData(FALSE);
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}
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virtual bool editableRangeValueValidator(const CString &lo, const CString &up)
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{
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T upT, loT;
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const char *message = string2value(lo, loT);
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if (message)
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{
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::MessageBox(NULL, message, "Range selection error", MB_OK);
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return false;
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}
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const char *mess = validateUpperBound(loT)
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,*mess2 = validateLowerBound(loT);
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if (mess || mess2)
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{
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MessageBox(mess ? mess : mess2, "error");
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return false;
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}
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message = string2value(up, upT);
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if (message)
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{
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::MessageBox(NULL, message, "Range selection error", MB_OK);
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return false;
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}
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mess = validateUpperBound(upT);
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mess2 = validateLowerBound(upT);
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if (mess || mess2)
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{
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MessageBox(mess ? mess : mess2, "error");
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return false;
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}
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if (upT <= loT)
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{
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::MessageBox(NULL, "upper bound must be strictly greater than lower bound", "Range selection error", MB_OK);
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return false;
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}
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return true;
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}
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// min max values
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std::pair<T, T> _Range;
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// wrapper to the particle system
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IPSWrapper<T> *_Wrapper;
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};
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///////////////////////////////////////////////////////
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// IMPLEMENTATION OF TEMPLATE METHOD SPECIALIZATIONS //
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///////////////////////////////////////////////////////
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////////////////////////////////////////////////////////
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// float specialization. //
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////////////////////////////////////////////////////////
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CEditableRangeT<float>::CEditableRangeT(const std::string &id, CParticleWorkspace::CNode *node, float defaultMin, float defaultMax )
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: CEditableRange(id, node), _Range(defaultMin, defaultMax), _Wrapper(NULL)
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{
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}
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inline void CEditableRangeT<float>::value2CString(float value, CString &dest)
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{
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dest.Format("%g", (double) value);
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}
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inline const char *CEditableRangeT<float>::string2value(const CString &value, float &result)
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{
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if (sscanf((LPCTSTR) value, "%f", &result) == 1)
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{
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return NULL;
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}
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else
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{
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return "invalid value";
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}
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}
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////////////////////////////////////////////////////////
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// uint32 specialization. //
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////////////////////////////////////////////////////////
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CEditableRangeT<uint32>::CEditableRangeT(const std::string &id, CParticleWorkspace::CNode *node, uint32 defaultMin , uint32 defaultMax )
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: CEditableRange(id, node), _Range(defaultMin, defaultMax), _Wrapper(NULL)
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{
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}
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inline void CEditableRangeT<uint32>::value2CString(uint32 value, CString &dest)
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{
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dest.Format("%d", value);
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}
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inline const char *CEditableRangeT<uint32>::string2value(const CString &value, uint32 &result)
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{
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uint32 tmp;
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if (sscanf((LPCTSTR) value, "%d", &tmp) == 1)
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{
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if (strchr((LPCTSTR) value, '-'))
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{
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return "negative values not allowed";
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}
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else
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{
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result = tmp;
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return NULL;
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}
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}
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else
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{
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return "invalid value";
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}
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}
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////////////////////////////////////////////////////////
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// sint32 specialization. //
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////////////////////////////////////////////////////////
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CEditableRangeT<sint32>::CEditableRangeT(const std::string &id, CParticleWorkspace::CNode *node, sint32 defaultMin , sint32 defaultMax)
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: CEditableRange(id, node), _Range(defaultMin, defaultMax), _Wrapper(NULL)
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{
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}
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inline void CEditableRangeT<sint32>::value2CString(sint32 value, CString &dest)
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{
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dest.Format("%d", value);
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}
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inline const char *CEditableRangeT<sint32>::string2value(const CString &value, sint32 &result)
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{
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uint32 tmp;
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if (sscanf((LPCTSTR) value, "%d", &tmp) == 1)
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{
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result = tmp;
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return NULL;
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}
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else
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{
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return "invalid value";
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}
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}
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// some typedefs
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typedef CEditableRangeT<float> CEditableRangeFloat;
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typedef CEditableRangeT<uint32> CEditableRangeUInt;
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typedef CEditableRangeT<sint32> CEditableRangeInt;
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//{{AFX_INSERT_LOCATION}}
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// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
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#endif // !defined(AFX_EDITABLE_RANGE_H__0B1EFF2B_FA0E_4AC8_88B8_416605043BF9__INCLUDED_)
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