1000 lines
39 KiB
MQL5
1000 lines
39 KiB
MQL5
 | //+------------------------------------------------------------------+
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//| ChartObject.mqh |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#include <Object.mqh>
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//+------------------------------------------------------------------+
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//| Class CChartObject. |
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//| Pupose: Base class of chart objects. |
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//| Derives from class CObject. |
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//+------------------------------------------------------------------+
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class CChartObject : public CObject
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{
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protected:
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long m_chart_id; // identifier of chart the object belongs to
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int m_window; // number of subwindow (0 - main window)
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string m_name; // unique name object name
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int m_num_points; // number of anchor points of object
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public:
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CChartObject(void);
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~CChartObject(void);
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//--- method of identifying the object
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virtual int Type(void) const { return(0x8888); }
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//--- methods of access to protected data
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long ChartId(void) const { return(m_chart_id); }
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int Window(void) const { return(m_window); }
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string Name(void) const { return(m_name); }
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bool Name(const string name);
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int NumPoints(void) const { return(m_num_points); }
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//--- methods of filling the object
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bool Attach(long chart_id,const string name,const int window,const int points);
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bool SetPoint(const int point,const datetime time,const double price) const;
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//--- methods of deleting
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bool Delete(void);
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void Detach(void);
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//--- methods of access to properties of the object
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datetime Time(const int point) const;
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bool Time(const int point,const datetime time) const;
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double Price(const int point) const;
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bool Price(const int point,const double price) const;
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color Color(void) const;
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bool Color(const color new_color) const;
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ENUM_LINE_STYLE Style(void) const;
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bool Style(const ENUM_LINE_STYLE new_style) const;
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int Width(void) const;
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bool Width(const int new_width) const;
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bool Background(void) const;
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bool Background(const bool new_back) const;
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bool Fill(void) const;
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bool Fill(const bool new_fill) const;
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long Z_Order(void) const;
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bool Z_Order(const long value) const;
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bool Selected(void) const;
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bool Selected(const bool new_sel) const;
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bool Selectable(void) const;
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bool Selectable(const bool new_sel) const;
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string Description(void) const;
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bool Description(const string new_text) const;
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string Tooltip(void) const;
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bool Tooltip(const string new_text) const;
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int Timeframes(void) const;
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virtual bool Timeframes(const int timeframes) const;
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datetime CreateTime(void) const;
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int LevelsCount(void) const;
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bool LevelsCount(const int new_count) const;
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//--- methods to access the properties of levels of objects
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color LevelColor(const int level) const;
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bool LevelColor(const int level,const color new_color) const;
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ENUM_LINE_STYLE LevelStyle(const int level) const;
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bool LevelStyle(const int level,const ENUM_LINE_STYLE new_style) const;
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int LevelWidth(const int level) const;
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bool LevelWidth(const int level,const int new_width) const;
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double LevelValue(const int level) const;
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bool LevelValue(const int level,const double new_value) const;
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string LevelDescription(const int level) const;
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bool LevelDescription(const int level,const string new_text) const;
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//--- access methods to the API functions of MQL5
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long GetInteger(const ENUM_OBJECT_PROPERTY_INTEGER prop_id,const int modifier=-1) const;
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bool GetInteger(const ENUM_OBJECT_PROPERTY_INTEGER prop_id,const int modifier,long &value) const;
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bool SetInteger(const ENUM_OBJECT_PROPERTY_INTEGER prop_id,const int modifier,const long value) const;
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bool SetInteger(const ENUM_OBJECT_PROPERTY_INTEGER prop_id,const long value) const;
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double GetDouble(const ENUM_OBJECT_PROPERTY_DOUBLE prop_id,const int modifier=-1) const;
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bool GetDouble(const ENUM_OBJECT_PROPERTY_DOUBLE prop_id,const int modifier,double &value) const;
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bool SetDouble(const ENUM_OBJECT_PROPERTY_DOUBLE prop_id,const int modifier,const double value) const;
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bool SetDouble(const ENUM_OBJECT_PROPERTY_DOUBLE prop_id,const double value) const;
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string GetString(const ENUM_OBJECT_PROPERTY_STRING prop_id,const int modifier=-1) const;
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bool GetString(const ENUM_OBJECT_PROPERTY_STRING prop_id,const int modifier,string &value) const;
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bool SetString(const ENUM_OBJECT_PROPERTY_STRING prop_id,const int modifier,const string value) const;
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bool SetString(const ENUM_OBJECT_PROPERTY_STRING prop_id,const string value) const;
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//--- methods of moving
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bool ShiftObject(const datetime d_time,const double d_price) const;
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bool ShiftPoint(const int point,const datetime d_time,const double d_price) const;
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//--- methods for working with files
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virtual bool Save(const int file_handle);
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virtual bool Load(const int file_handle);
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObject::CChartObject(void)
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{
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//--- initialize protected data
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Detach();
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObject::~CChartObject(void)
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{
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if(m_chart_id!=-1)
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ObjectDelete(m_chart_id,m_name);
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}
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//+------------------------------------------------------------------+
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//| Changing name of the object |
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//+------------------------------------------------------------------+
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bool CChartObject::Name(const string name)
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- change
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if(ObjectSetString(m_chart_id,m_name,OBJPROP_NAME,name))
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{
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m_name=name;
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return(true);
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}
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//--- failure
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return(false);
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};
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//+------------------------------------------------------------------+
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//| Attach object |
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//+------------------------------------------------------------------+
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bool CChartObject::Attach(long chart_id,const string name,const int window,const int points)
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{
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//--- check
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if(ObjectFind(chart_id,name)<0)
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return(false);
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//--- attach
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if(chart_id==0)
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chart_id=ChartID();
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m_chart_id =chart_id;
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m_window =window;
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m_name =name;
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m_num_points=points;
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Setting new coordinates of anchor point of an object |
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//+------------------------------------------------------------------+
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bool CChartObject::SetPoint(const int point,const datetime time,const double price) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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if(point>=m_num_points)
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return(false);
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//--- result
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return(ObjectMove(m_chart_id,m_name,point,time,price));
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}
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//+------------------------------------------------------------------+
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//| Delete an object |
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//+------------------------------------------------------------------+
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bool CChartObject::Delete(void)
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{
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//--- checki
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if(m_chart_id==-1)
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return(false);
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//--- actions
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bool result=ObjectDelete(m_chart_id,m_name);
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Detach();
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//--- result
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return(result);
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}
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//+------------------------------------------------------------------+
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//| Detach object |
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//+------------------------------------------------------------------+
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void CChartObject::Detach(void)
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{
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m_chart_id =-1;
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m_window =-1;
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m_name =NULL;
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m_num_points=0;
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}
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//+------------------------------------------------------------------+
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//| Get the time coordinate of the specified anchor point of object |
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//+------------------------------------------------------------------+
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datetime CChartObject::Time(const int point) const
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{
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//--- check
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if(m_chart_id==-1)
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return(0);
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if(point>=m_num_points)
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return(0);
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//--- result
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return((datetime)ObjectGetInteger(m_chart_id,m_name,OBJPROP_TIME,point));
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}
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//+------------------------------------------------------------------+
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//| Set the time coordinate of the specified anchor point of object |
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//+------------------------------------------------------------------+
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bool CChartObject::Time(const int point,const datetime time) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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if(point>=m_num_points)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_TIME,point,time));
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}
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//+------------------------------------------------------------------+
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//| Get the price coordinate of the specified anchor point of object.|
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//+------------------------------------------------------------------+
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double CChartObject::Price(const int point) const
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{
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//--- check
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if(m_chart_id==-1)
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return(EMPTY_VALUE);
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if(point>=m_num_points)
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return(EMPTY_VALUE);
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//--- result
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return(ObjectGetDouble(m_chart_id,m_name,OBJPROP_PRICE,point));
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}
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//+------------------------------------------------------------------+
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//| Set the price coordinate of the specified anchor point of object.|
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//+------------------------------------------------------------------+
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bool CChartObject::Price(const int point,const double price) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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if(point>=m_num_points)
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return(false);
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//--- result
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return(ObjectSetDouble(m_chart_id,m_name,OBJPROP_PRICE,point,price));
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}
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//+------------------------------------------------------------------+
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//| Get object color |
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//+------------------------------------------------------------------+
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color CChartObject::Color(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(clrNONE);
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//--- result
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return((color)ObjectGetInteger(m_chart_id,m_name,OBJPROP_COLOR));
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}
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//+------------------------------------------------------------------+
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//| Set object color |
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//+------------------------------------------------------------------+
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bool CChartObject::Color(const color new_color) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_COLOR,new_color));
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}
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//+------------------------------------------------------------------+
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//| Get style of line of object |
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//+------------------------------------------------------------------+
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ENUM_LINE_STYLE CChartObject::Style(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(WRONG_VALUE);
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//--- result
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return((ENUM_LINE_STYLE)ObjectGetInteger(m_chart_id,m_name,OBJPROP_STYLE));
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}
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//+------------------------------------------------------------------+
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//| Set style of line of object |
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//+------------------------------------------------------------------+
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bool CChartObject::Style(const ENUM_LINE_STYLE new_style) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_STYLE,new_style));
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}
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//+------------------------------------------------------------------+
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//| Get width of line of object |
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//+------------------------------------------------------------------+
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int CChartObject::Width(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(-1);
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//--- result
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return((int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_WIDTH));
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}
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//+------------------------------------------------------------------+
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//| Set width of line of object |
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//+------------------------------------------------------------------+
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bool CChartObject::Width(const int new_width) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_WIDTH,new_width));
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}
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//+------------------------------------------------------------------+
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//| Get the "Draw object as background" flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Background(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_BACK));
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}
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//+------------------------------------------------------------------+
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//| Set the "Draw object as background" flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Background(const bool new_back) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_BACK,new_back));
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}
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//+------------------------------------------------------------------+
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//| Get the "Filling" flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Fill(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_FILL));
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}
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//+------------------------------------------------------------------+
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//| Set the "Filling" flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Fill(const bool new_fill) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_FILL,new_fill));
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}
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//+------------------------------------------------------------------+
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//| Get the "Z-order" property |
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//+------------------------------------------------------------------+
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long CChartObject::Z_Order(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(0);
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//--- result
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return(ObjectGetInteger(m_chart_id,m_name,OBJPROP_ZORDER));
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}
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//+------------------------------------------------------------------+
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//| Set the "Z-order" property |
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//+------------------------------------------------------------------+
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bool CChartObject::Z_Order(const long value) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_ZORDER,value));
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}
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//+------------------------------------------------------------------+
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//| Get the "selected" flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Selected(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_SELECTED));
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}
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//+------------------------------------------------------------------+
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//| Set the "selected" flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Selected(const bool new_sel) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_SELECTED,new_sel));
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}
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//+------------------------------------------------------------------+
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//| Get the "selectable" flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Selectable(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_SELECTABLE));
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}
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//+------------------------------------------------------------------+
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//| Set flag the "selectable" flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Selectable(const bool new_sel) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_SELECTABLE,new_sel));
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}
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//+------------------------------------------------------------------+
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//| Get comment of object |
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//+------------------------------------------------------------------+
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string CChartObject::Description(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return("");
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//--- result
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return(ObjectGetString(m_chart_id,m_name,OBJPROP_TEXT));
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}
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//+------------------------------------------------------------------+
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//| Set comment of object |
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//+------------------------------------------------------------------+
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bool CChartObject::Description(const string new_text) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- tune
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if(new_text=="")
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return(ObjectSetString(m_chart_id,m_name,OBJPROP_TEXT," "));
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//--- result
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return(ObjectSetString(m_chart_id,m_name,OBJPROP_TEXT,new_text));
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}
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//+------------------------------------------------------------------+
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//| Get tooltip of object |
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//+------------------------------------------------------------------+
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string CChartObject::Tooltip(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return("");
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//--- result
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return(ObjectGetString(m_chart_id,m_name,OBJPROP_TOOLTIP));
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}
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//+------------------------------------------------------------------+
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//| Set tooltip of object |
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//+------------------------------------------------------------------+
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bool CChartObject::Tooltip(const string new_text) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- tune
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if(new_text=="")
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return(ObjectSetString(m_chart_id,m_name,OBJPROP_TOOLTIP," "));
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//--- result
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return(ObjectSetString(m_chart_id,m_name,OBJPROP_TOOLTIP,new_text));
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}
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//+------------------------------------------------------------------+
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//| Get the "Timeframes" (visibility) flag |
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//+------------------------------------------------------------------+
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int CChartObject::Timeframes(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(0);
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//--- result
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return((int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_TIMEFRAMES));
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}
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//+------------------------------------------------------------------+
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//| Set the "Timeframes" (visibility) flag |
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//+------------------------------------------------------------------+
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bool CChartObject::Timeframes(const int timeframes) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_TIMEFRAMES,timeframes));
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}
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//+------------------------------------------------------------------+
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//| Get time of object creation |
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//+------------------------------------------------------------------+
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datetime CChartObject::CreateTime(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(0);
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//--- result
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return((datetime)ObjectGetInteger(m_chart_id,m_name,OBJPROP_CREATETIME));
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}
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//+------------------------------------------------------------------+
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//| Get number of levels of object |
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//+------------------------------------------------------------------+
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int CChartObject::LevelsCount(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(0);
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//--- result
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return((int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_LEVELS));
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}
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//+------------------------------------------------------------------+
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//| Set number of levels of object |
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//+------------------------------------------------------------------+
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bool CChartObject::LevelsCount(const int new_count) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_LEVELS,new_count));
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}
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//+------------------------------------------------------------------+
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//| Get color of the specified level of object |
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//+------------------------------------------------------------------+
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color CChartObject::LevelColor(const int level) const
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{
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//--- check
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if(m_chart_id==-1)
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return(clrNONE);
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if(level>=LevelsCount())
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return(clrNONE);
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//--- result
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return((color)ObjectGetInteger(m_chart_id,m_name,OBJPROP_LEVELCOLOR,level));
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}
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//+------------------------------------------------------------------+
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//| Set color of the specified level of object |
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//+------------------------------------------------------------------+
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bool CChartObject::LevelColor(const int level,const color new_color) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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if(level>=LevelsCount())
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_LEVELCOLOR,level,new_color));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Get line style of the specified level of object |
| |||
//+------------------------------------------------------------------+
| |||
ENUM_LINE_STYLE CChartObject::LevelStyle(const int level) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(WRONG_VALUE);
| |||
if(level>=LevelsCount())
| |||
return(WRONG_VALUE);
| |||
//--- result
| |||
return((ENUM_LINE_STYLE)ObjectGetInteger(m_chart_id,m_name,OBJPROP_LEVELSTYLE,level));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Set line style of the specified level of object |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::LevelStyle(const int level,const ENUM_LINE_STYLE new_style) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
if(level>=LevelsCount())
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_LEVELSTYLE,level,new_style));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Get line width of the specified level of object |
| |||
//+------------------------------------------------------------------+
| |||
int CChartObject::LevelWidth(const int level) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(-1);
| |||
if(level>=LevelsCount())
| |||
return(-1);
| |||
//--- result
| |||
return((int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_LEVELWIDTH,level));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Set line width of the specified level of object |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::LevelWidth(const int level,const int new_width) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
if(level>=LevelsCount())
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_LEVELWIDTH,level,new_width));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Get value of the specified level of object |
| |||
//+------------------------------------------------------------------+
| |||
double CChartObject::LevelValue(const int level) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(EMPTY_VALUE);
| |||
if(level>=LevelsCount())
| |||
return(EMPTY_VALUE);
| |||
//--- result
| |||
return(ObjectGetDouble(m_chart_id,m_name,OBJPROP_LEVELVALUE,level));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Set value of the specified level of object |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::LevelValue(const int level,const double new_value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
if(level>=LevelsCount())
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetDouble(m_chart_id,m_name,OBJPROP_LEVELVALUE,level,new_value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Get comment of of the specified level of object |
| |||
//+------------------------------------------------------------------+
| |||
string CChartObject::LevelDescription(const int level) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return("");
| |||
if(level>=LevelsCount())
| |||
return("");
| |||
//--- result
| |||
return(ObjectGetString(m_chart_id,m_name,OBJPROP_LEVELTEXT,level));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Set comment to the specified level of object |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::LevelDescription(const int level,const string new_text) const
| |||
{
| |||
//--- checking
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
if(level>=LevelsCount())
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetString(m_chart_id,m_name,OBJPROP_LEVELTEXT,level,new_text));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function long ObjectGetInteger(...) |
| |||
//+------------------------------------------------------------------+
| |||
long CChartObject::GetInteger(const ENUM_OBJECT_PROPERTY_INTEGER prop_id,const int modifier) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(0);
| |||
//---
| |||
if(modifier==-1)
| |||
return(ObjectGetInteger(m_chart_id,m_name,prop_id));
| |||
//--- result
| |||
return(ObjectGetInteger(m_chart_id,m_name,prop_id,modifier));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function bool ObjectGetInteger(...) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::GetInteger(const ENUM_OBJECT_PROPERTY_INTEGER prop_id,const int modifier,long &value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectGetInteger(m_chart_id,m_name,prop_id,modifier,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function ObjectSetInteger(.,modifier,.) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::SetInteger(const ENUM_OBJECT_PROPERTY_INTEGER prop_id,const int modifier,const long value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetInteger(m_chart_id,m_name,prop_id,modifier,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function ObjectSetInteger(...) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::SetInteger(const ENUM_OBJECT_PROPERTY_INTEGER prop_id,const long value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetInteger(m_chart_id,m_name,prop_id,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function double ObjectGetDouble(...) |
| |||
//+------------------------------------------------------------------+
| |||
double CChartObject::GetDouble(const ENUM_OBJECT_PROPERTY_DOUBLE prop_id,const int modifier) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(EMPTY_VALUE);
| |||
//---
| |||
if(modifier==-1)
| |||
return(ObjectGetDouble(m_chart_id,m_name,prop_id));
| |||
//--- result
| |||
return(ObjectGetDouble(m_chart_id,m_name,prop_id,modifier));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function bool ObjectGetDouble(...) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::GetDouble(const ENUM_OBJECT_PROPERTY_DOUBLE prop_id,const int modifier,double &value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectGetDouble(m_chart_id,m_name,prop_id,modifier,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function ObjectSetDouble(.,modifier,.) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::SetDouble(const ENUM_OBJECT_PROPERTY_DOUBLE prop_id,const int modifier,const double value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetDouble(m_chart_id,m_name,prop_id,modifier,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function ObjectSetDouble(...) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::SetDouble(const ENUM_OBJECT_PROPERTY_DOUBLE prop_id,const double value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetDouble(m_chart_id,m_name,prop_id,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function string ObjectGetString (...) |
| |||
//+------------------------------------------------------------------+
| |||
string CChartObject::GetString(const ENUM_OBJECT_PROPERTY_STRING prop_id,const int modifier) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return("");
| |||
//---
| |||
if(modifier==-1)
| |||
return(ObjectGetString(m_chart_id,m_name,prop_id));
| |||
//--- result
| |||
return(ObjectGetString(m_chart_id,m_name,prop_id,modifier));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function bool ObjectGetString(...) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::GetString(const ENUM_OBJECT_PROPERTY_STRING prop_id,const int modifier,string &value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectGetString(m_chart_id,m_name,prop_id,modifier,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function ObjectSetString(.,modifier,.) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::SetString(const ENUM_OBJECT_PROPERTY_STRING prop_id,const int modifier,const string value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetString(m_chart_id,m_name,prop_id,modifier,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Access function ObjectSetString(...) |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::SetString(const ENUM_OBJECT_PROPERTY_STRING prop_id,const string value) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- result
| |||
return(ObjectSetString(m_chart_id,m_name,prop_id,value));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Relative movement of object |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::ShiftObject(const datetime d_time,const double d_price) const
| |||
{
| |||
bool result=true;
| |||
int i;
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
//--- move
| |||
for(i=0;i<m_num_points;i++)
| |||
result&=ShiftPoint(i,d_time,d_price);
| |||
//--- result
| |||
return(result);
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Relative movement of the specified achor point of object |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::ShiftPoint(const int point,const datetime d_time,const double d_price) const
| |||
{
| |||
//--- check
| |||
if(m_chart_id==-1)
| |||
return(false);
| |||
if(point>=m_num_points)
| |||
return(false);
| |||
//--- move
| |||
datetime time=(datetime)ObjectGetInteger(m_chart_id,m_name,OBJPROP_TIME,point);
| |||
double price=ObjectGetDouble(m_chart_id,m_name,OBJPROP_PRICE,point);
| |||
//--- result
| |||
return(ObjectMove(m_chart_id,m_name,point,time+d_time,price+d_price));
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Writing object parameters to file |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::Save(const int file_handle)
| |||
{
| |||
int i,len;
| |||
int levels;
| |||
string str;
| |||
//--- check
| |||
if(file_handle==INVALID_HANDLE || m_chart_id==-1)
| |||
return(false);
| |||
//--- write start marker - 0xFFFFFFFFFFFFFFFF
| |||
if(FileWriteLong(file_handle,-1)!=sizeof(long))
| |||
return(false);
| |||
//--- write object type
| |||
if(FileWriteInteger(file_handle,Type(),INT_VALUE)!=INT_VALUE)
| |||
return(false);
| |||
//--- write object name
| |||
str=ObjectGetString(m_chart_id,m_name,OBJPROP_NAME);
| |||
len=StringLen(str);
| |||
if(FileWriteInteger(file_handle,len,INT_VALUE)!=INT_VALUE)
| |||
return(false);
| |||
if(len!=0) if(FileWriteString(file_handle,str,len)!=len)
| |||
return(false);
| |||
//--- write object color
| |||
if(FileWriteLong(file_handle,ObjectGetInteger(m_chart_id,m_name,OBJPROP_COLOR))!=sizeof(long))
| |||
return(false);
| |||
//--- write object line style
| |||
if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_STYLE))!=sizeof(int))
| |||
return(false);
| |||
//--- write object line width
| |||
if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_WIDTH))!=sizeof(int))
| |||
return(false);
| |||
//--- write the property value "Background"
| |||
if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_BACK),CHAR_VALUE)!=sizeof(char))
| |||
return(false);
| |||
//--- write the property value "Selectable"
| |||
if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_SELECTABLE),CHAR_VALUE)!=sizeof(char))
| |||
return(false);
| |||
//--- write the property value "Timeframes"
| |||
if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_TIMEFRAMES),INT_VALUE)!=sizeof(int))
| |||
return(false);
| |||
//--- write comment
| |||
str=ObjectGetString(m_chart_id,m_name,OBJPROP_TEXT);
| |||
len=StringLen(str);
| |||
if(FileWriteInteger(file_handle,len,INT_VALUE)!=INT_VALUE)
| |||
return(false);
| |||
if(len!=0) if(FileWriteString(file_handle,str,len)!=len)
| |||
return(false);
| |||
//--- write number of points
| |||
if(FileWriteInteger(file_handle,m_num_points,INT_VALUE)!=INT_VALUE)
| |||
return(false);
| |||
//--- write points
| |||
for(i=0;i<m_num_points;i++)
| |||
{
| |||
if(FileWriteLong(file_handle,ObjectGetInteger(m_chart_id,m_name,OBJPROP_TIME,i))!=sizeof(long))
| |||
return(false);
| |||
if(FileWriteDouble(file_handle,ObjectGetDouble(m_chart_id,m_name,OBJPROP_PRICE,i))!=sizeof(double))
| |||
return(false);
| |||
}
| |||
//--- write number of levels
| |||
levels=(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_LEVELS);
| |||
if(FileWriteInteger(file_handle,levels,INT_VALUE)!=INT_VALUE)
| |||
return(false);
| |||
//--- write levels
| |||
for(i=0;i<levels;i++)
| |||
{
| |||
//--- level color
| |||
if(FileWriteLong(file_handle,ObjectGetInteger(m_chart_id,m_name,OBJPROP_LEVELCOLOR,i))!=sizeof(long))
| |||
return(false);
| |||
//--- level line style
| |||
if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_LEVELSTYLE,i))!=sizeof(int))
| |||
return(false);
| |||
//--- level line width
| |||
if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_LEVELWIDTH,i))!=sizeof(int))
| |||
return(false);
| |||
//--- level value
| |||
if(FileWriteDouble(file_handle,ObjectGetDouble(m_chart_id,m_name,OBJPROP_LEVELVALUE,i))!=sizeof(double))
| |||
return(false);
| |||
//--- level name
| |||
str=ObjectGetString(m_chart_id,m_name,OBJPROP_LEVELTEXT,i);
| |||
len=StringLen(str);
| |||
if(FileWriteInteger(file_handle,len,INT_VALUE)!=INT_VALUE)
| |||
return(false);
| |||
if(len!=0) if(FileWriteString(file_handle,str,len)!=len)
| |||
return(false);
| |||
}
| |||
//--- successful
| |||
return(true);
| |||
}
| |||
//+------------------------------------------------------------------+
| |||
//| Reading object parameters from file |
| |||
//+------------------------------------------------------------------+
| |||
bool CChartObject::Load(const int file_handle)
| |||
{
| |||
int i,len,num;
| |||
string str;
| |||
//--- check
| |||
if(file_handle==INVALID_HANDLE || m_chart_id==-1)
| |||
return(false);
| |||
//--- read and check start marker - 0xFFFFFFFFFFFFFFFF
| |||
if(FileReadLong(file_handle)!=-1)
| |||
return(false);
| |||
//--- read and check object type
| |||
if(FileReadInteger(file_handle,INT_VALUE)!=Type())
| |||
return(false);
| |||
//--- read object name
| |||
len=FileReadInteger(file_handle,INT_VALUE);
| |||
str=(len!=0) ? FileReadString(file_handle,len) : "";
| |||
if(!ObjectSetString(m_chart_id,m_name,OBJPROP_NAME,str))
| |||
return(false);
| |||
//--- read object color
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_COLOR,FileReadLong(file_handle)))
| |||
return(false);
| |||
//--- read object line style
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_STYLE,FileReadInteger(file_handle)))
| |||
return(false);
| |||
//--- read object line style
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_WIDTH,FileReadInteger(file_handle)))
| |||
return(false);
| |||
//--- read the property value "Background"
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_BACK,FileReadInteger(file_handle,CHAR_VALUE)))
| |||
return(false);
| |||
//--- read the property value "Selectable"
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_SELECTABLE,FileReadInteger(file_handle,CHAR_VALUE)))
| |||
return(false);
| |||
//--- read the property value "Timeframes"
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_TIMEFRAMES,FileReadInteger(file_handle,INT_VALUE)))
| |||
return(false);
| |||
//--- read comment
| |||
len=FileReadInteger(file_handle,INT_VALUE);
| |||
str=(len!=0) ? FileReadString(file_handle,len) : "";
| |||
if(!ObjectSetString(m_chart_id,m_name,OBJPROP_TEXT,str))
| |||
return(false);
| |||
//--- read number of point
| |||
num=FileReadInteger(file_handle,INT_VALUE);
| |||
//--- read points
| |||
if(num!=0)
| |||
{
| |||
for(i=0;i<num;i++)
| |||
{
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_TIME,i,FileReadLong(file_handle)))
| |||
return(false);
| |||
if(!ObjectSetDouble(m_chart_id,m_name,OBJPROP_PRICE,i,FileReadDouble(file_handle)))
| |||
return(false);
| |||
}
| |||
}
| |||
//--- read number of levels
| |||
num=FileReadInteger(file_handle,INT_VALUE);
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_LEVELS,0,num))
| |||
return(false);
| |||
//--- read levels
| |||
if(num!=0)
| |||
{
| |||
for(i=0;i<num;i++)
| |||
{
| |||
//--- level color
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_LEVELCOLOR,i,FileReadLong(file_handle)))
| |||
return(false);
| |||
//--- levelline style
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_LEVELSTYLE,i,FileReadInteger(file_handle)))
| |||
return(false);
| |||
//--- level line width
| |||
if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_LEVELWIDTH,i,FileReadInteger(file_handle)))
| |||
return(false);
| |||
//--- level value
| |||
if(!ObjectSetDouble(m_chart_id,m_name,OBJPROP_LEVELVALUE,i,FileReadDouble(file_handle)))
| |||
return(false);
| |||
//--- level name
| |||
len=FileReadInteger(file_handle,INT_VALUE);
| |||
str=(len!=0) ? FileReadString(file_handle,len) : "";
| |||
if(!ObjectSetString(m_chart_id,m_name,OBJPROP_LEVELTEXT,i,str))
| |||
return(false);
| |||
}
| |||
}
| |||
//--- successful
| |||
return(true);
| |||
}
| |||
//+------------------------------------------------------------------+
|