control_trace_listener.hpp

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#pragma once
#include "icontrol_trace.hpp"
#include <xtd/diagnostics/trace_listener>

namespace xtd {
  namespace forms {
    class control_trace_listener : public xtd::diagnostics::trace_listener {
    public:
      
      control_trace_listener(xtd::forms::icontrol_trace& control_trace) : control_trace_(&control_trace) {}
      
      ~control_trace_listener() {flush();}
      
      
      virtual xtd::forms::icontrol_trace& control_trace() noexcept {return *control_trace_;}
      virtual void control_trace(xtd::forms::icontrol_trace& control_trace) {control_trace_ = &control_trace;}
      
      
      void close() override { }
      
      void flush() override {
        #if DEBUG || TRACE
        if (control_trace_) control_trace_->flush();
        #endif
      }
      
      using trace_listener::write;
      void write(const xtd::string& message) override {
        #if DEBUG || TRACE
        if (need_indent()) write_indent();
        if (control_trace_) control_trace_->write(message);
        #endif
      }
      
      using trace_listener::write_line;
      void write_line(const xtd::string& message) override {
        #if DEBUG || TRACE
        //write(message + "\n");
        if (need_indent()) write_indent();
        if (control_trace_) control_trace_->write_line(message);
        need_indent(true);
        #endif
      }

      
      
      static xtd::sptr<xtd::diagnostics::trace_listener> create(xtd::forms::icontrol_trace& control_trace) {return xtd::new_sptr<control_trace_listener>(control_trace);}
      
    private:
      xtd::forms::icontrol_trace* control_trace_ = nullptr;
    };
  }
}