source: PSPA/Interface_Web/trunk/pspaWT/sources/userInterface/src/GWt_console.cc @ 481

#include "GWt_console.h"

#include <Wt/WApplication>
#include <Wt/WText>
#include <Wt/WBorder>
#include <Wt/WLayout>
#include <Wt/WVBoxLayout>
#include <Wt/WPanel>
#include <Wt/WLabel>
#include <Wt/WLineEdit>
#include <Wt/WScrollArea>
#include <Wt/Utils>


GWt_console::GWt_console(WContainerWidget* parent) : WContainerWidget(parent)
{
  setObjectName("console");

  // la ligne de search
  Wt::WContainerWidget *searchContainer = new Wt::WContainerWidget();
    
  new Wt::WLabel("Search ", searchContainer);
  searchLineEdit_ = new Wt::WLineEdit("", searchContainer);
  searchLineEdit_->setToolTip("clic here to search a string in the output");
    
  // le panel
  WPanel *panelConsole = new WPanel(this);
  panelConsole->setTitle(" output");
  
  WScrollArea* scrollContainer = new WScrollArea();
  
  outputCurrent_ = new WText(this);
  outputCurrent_->setTextFormat(Wt::XHTMLText);
  outputCurrent_->setInline(false);
  outputCurrent_->setMaximumSize(750,400);
  scrollContainer->setWidget(outputCurrent_);
  scrollContainer->setStyleClass("scrollConsole");
  
  Wt::WContainerWidget *panelContainer = new Wt::WContainerWidget();
  Wt::WVBoxLayout* vContainerLayout = new Wt::WVBoxLayout();
  vContainerLayout->addWidget(searchContainer);
  vContainerLayout->addWidget(scrollContainer);
  panelContainer->setLayout(vContainerLayout);
  panelConsole->setCentralWidget(panelContainer);
  
  // signals
  searchLineEdit_->keyWentUp ().connect(this,&GWt_console::searchFilter);
}

GWt_console::~GWt_console()
{
}

void GWt_console::searchFilter() {
  
  std::string br = "<br />";
  
  std::string txt = searchLineEdit_->text().toUTF8 ();
  if (searchLineEdit_->text() == "") {
    outputCurrent_->setText(outputOriginal_);
    outputCurrent_->setTextFormat(Wt::XHTMLText);
    return;
  }
  
  std::string outputStr = outputOriginal_.toUTF8();
  std::string outputFinal = "";
  
  // look for lines that contains the seacrh string
  bool end = false;
  int nextPos = 0;
  int nextPosTxt = 0;
  int lineNumber = 0;
  std::string beginStr;
  std::string endStr;
  
  // loop on all lines
  while (end == false) {
    lineNumber++;
    
    nextPos = outputStr.find(br);
    
    // if this line contains the token
    if (nextPos != std::string::npos) {
      beginStr = outputStr.substr(0,nextPos);
      endStr = outputStr.substr(nextPos+br.size());
      outputStr = endStr;
      
      
      // colorize for all token
      bool lineEnd = false;
      std::string colorizeTxt = "";
      while (lineEnd == false) {
        nextPosTxt = beginStr.find(txt);
        
        if (nextPosTxt != std::string::npos) {
          colorizeTxt += beginStr.substr(0,nextPosTxt)+
            std::string("<b><font style='background-color:yellow;'>")+
            txt+
            std::string("</font></b>");
          beginStr = beginStr.substr(nextPosTxt+txt.size());
          
        } else if (colorizeTxt != "") {
          colorizeTxt += beginStr;
          lineEnd = true;
        } else {
          lineEnd = true;
        }
      }
      if (colorizeTxt != "") {
        std::stringstream ss;
        ss << lineNumber;
        outputFinal += std::string("<font color='gray'>line ")+ss.str()+" : </font>"+colorizeTxt+br;
            }
        } else {
            end = true;
        }
    }
    
    outputCurrent_->setText(outputFinal);
    outputCurrent_->setTextFormat(Wt::XHTMLText);

}


void GWt_console::addConsoleMessage(WString msg) {
  
  // changes specials caracters
  outputOriginal_ += Wt::Utils::htmlEncode (msg.toUTF8(),  Wt::Utils::EncodeNewLines);
  
  // apply filter, will modify outputCurrent
  searchFilter();
  /*
   * Little javascript trick to make sure we scroll along with new content
   */
  wApp->doJavaScript(outputCurrent_->jsRef() + ".scrollTop += "
                     + outputCurrent_->jsRef() + ".scrollHeight;");
  
}