//+------------------------------------------------------------------+
//|                                                   MBookPanel.mqh |
//|                        Copyright 2015, MetaQuotes Software Corp. |
//|                                              http://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2015, MetaQuotes Software Corp."
#property link      "http://www.mql5.com"
#include "Node.mqh"
#include "ElLabel.mqh"
#include ".\Events\EventChartObjClick.mqh"
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
class CElCheckBox : public CElLabel
  {
private:
   bool              m_checked;
protected:
   virtual void OnCheck(bool checked){;}
public:
                     CElCheckBox(long x,long y);
   virtual void      Show();
   virtual void      Event(CEvent *event);
   void              Checked(bool check);
  };
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
CElCheckBox::CElCheckBox(long x,long y):CElLabel(CharToString(0xA8),x,y)
  {
   m_checked=false;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
CElCheckBox::Show(void)
  {
   CElLabel::Show();
   ObjectSetString(ChartID(),m_name,OBJPROP_FONT,"Wingdings");
   if(m_checked)
      ObjectSetString(ChartID(),m_name,OBJPROP_TEXT,CharToString(0xFE));
   else
      ObjectSetString(ChartID(),m_name,OBJPROP_TEXT,CharToString(0xA8));
   OnShow();
   TextSize(12);
  }
///
///
///
void CElCheckBox::Event(CEvent *event)
  {
   if(event.EventType()==EVENT_CHART_OBJECT_CLICK)
     {
      CEventChartObjClick *objClick=event;
      if(objClick.ObjectName() != m_name)return;
      if(m_checked)
         m_checked=!ObjectSetString(ChartID(),m_name,OBJPROP_TEXT,CharToString(0xA8));
      else
         m_checked=ObjectSetString(ChartID(),m_name,OBJPROP_TEXT,CharToString(0xFE));
      OnCheck(m_checked);
     }
   CNode::Event(event);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CElCheckBox::Checked(bool check)
  {
   m_checked=check;
   if(m_checked)
      ObjectSetString(ChartID(),m_name,OBJPROP_TEXT,CharToString(0xFE));
   else
      ObjectSetString(ChartID(),m_name,OBJPROP_TEXT,CharToString(0xA8));
  }
//+------------------------------------------------------------------+