140 lines
10 KiB
Plaintext
140 lines
10 KiB
Plaintext
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//+------------------------------------------------------------------+
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//| Console.mqh |
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//| Copyright 2015, Vasiliy Sokolov. |
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//| http://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2015, Vasiliy Sokolov."
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#property link "http://www.mql5.com"
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#include "Node.mqh"
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#include "ElChart.mqh"
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#include <Arrays\List.mqh>
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#include <Panel\Events\EventChartConsoleAdd.mqh>
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#include <Panel\Events\EventChartConsoleChange.mqh>
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#include <Panel\Events\EventChartConsoleChLast.mqh>
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//+------------------------------------------------------------------+
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//| Graphic element Console |
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//+------------------------------------------------------------------+
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class CElConsole : public CElChart
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{
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private:
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CList m_lines;
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int m_lines_count;
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int m_id;
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void ReprintAll(void);
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public:
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CElConsole(void);
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virtual void Event(CEvent *event);
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void ConsoleID(int id);
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void SetLinesCount(int total);
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void AddMessage(string msg);
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void ChangeMessage(string msg,int line_number);
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void ChangeLast(string msg);
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};
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//+------------------------------------------------------------------+
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//| Default constructor |
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//+------------------------------------------------------------------+
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CElConsole::CElConsole(void) : CElChart(OBJ_RECTANGLE_LABEL)
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{
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SetLinesCount(10);
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}
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//+------------------------------------------------------------------+
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//| Sets the numberer of lines |
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//+------------------------------------------------------------------+
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void CElConsole::SetLinesCount(int total)
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{
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m_lines_count=total;
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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void CElConsole::ConsoleID(int id)
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{
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m_id=id;
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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void CElConsole::AddMessage(string msg)
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{
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CElChart *line=new CElChart(OBJ_EDIT);
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line.Text(msg);
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line.BorderColor(BackgroundColor());
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line.BackgroundColor(BackgroundColor());
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line.TextSize(8);
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line.TextFont("Consolas");
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m_lines.Add(line);
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if(m_lines.Total() > m_lines_count)
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m_lines.Delete(0);
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ReprintAll();
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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void CElConsole::ChangeMessage(string msg,int line_number)
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{
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if(line_number>=m_lines.Total())
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{
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AddMessage(msg);
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return;
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}
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CElChart *line=m_lines.GetNodeAtIndex(line_number);
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line.Text(msg);
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ReprintAll();
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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void CElConsole::ChangeLast(string msg)
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{
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if(m_lines.Total()==0)
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{
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AddMessage(msg);
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return;
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}
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CElChart *line=m_lines.GetLastNode();
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line.Text(msg);
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ReprintAll();
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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void CElConsole::ReprintAll(void)
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{
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int i=0;
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int height_line=15;
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for(CElChart *node=m_lines.GetFirstNode(); node!=NULL; node=m_lines.GetNextNode(),i++)
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{
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node.Hide();
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node.XCoord(XCoord()+1);
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node.YCoord(YCoord()+1 + (i*height_line));
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node.Height(height_line);
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node.Width(Width()-2);
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node.Show();
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}
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ChartRedraw();
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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void CElConsole::Event(CEvent *event)
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{
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CElChart::Event(event);
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if(event.EventType()==EVENT_CHART_CONSOLE_ADD)
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{
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CEventCharConsoleAdd *cAdd=event;
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if(cAdd.ConsoleID()==m_id)
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AddMessage(cAdd.Message());
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}
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else if(event.EventType()==EVENT_CHART_CONSOLE_CHANGE)
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{
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CEventCharConsoleChange *cChange=event;
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ChangeMessage(cChange.Message(),cChange.LineNumber());
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}
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else if(event.EventType()==EVENT_CHART_CONSOLE_CHLAST)
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{
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CEventCharConsoleChLast *cChange=event;
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ChangeLast(cChange.Message());
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}
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}
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//+------------------------------------------------------------------+
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�
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