Optika_FileNameWidget.cpp

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//         Optika: A Tool For Developing Parameter Obtaining GUIs
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#include "Optika_FileNameWidget.hpp"
#include <QPushButton>
#include <QLabel>
#include <QVBoxLayout>
#include <QFileDialog>


namespace Optika{


FileNameWidget::FileNameWidget(QString currentFileName, bool mustAlreadyExist, QWidget *parent)
  :QWidget(parent),
  currentFileName(currentFileName),
  mustAlreadyExist(mustAlreadyExist)
{
  QPushButton *changeButton = new QPushButton("Change Path",this);
  connect(changeButton, SIGNAL(clicked(bool)), this, SLOT(getNewFileName()));
  pathLabel = new QLabel(currentFileName,this);
  QVBoxLayout *layout = new QVBoxLayout(this);
  layout->addWidget(changeButton);
  layout->addWidget(pathLabel);
  setLayout(layout);
}

QString FileNameWidget::getCurrentFileName(){
  return currentFileName;
}

void FileNameWidget::setCurrentFileName(QString newName){
  currentFileName = newName;
  pathLabel->setText(newName);  
}

void FileNameWidget::getNewFileName(){
  QString defaultPath;
  if(currentFileName == ""){
    defaultPath = QDir::homePath();
  }
  else{
    defaultPath = currentFileName;
  }
  if(mustAlreadyExist){
    QString newFileName = QFileDialog::getOpenFileName(this, tr("File"), defaultPath);
    if(!newFileName.isNull()){
      setCurrentFileName(newFileName);
    }
  }
  else{
    QString newFileName = QFileDialog::getSaveFileName(this, tr("File"), defaultPath);
    if(!newFileName.isNull()){
      setCurrentFileName(newFileName);
    }
  }
}


}