header_widget.cpp

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/* Author: Dave Coleman */

#include <QPushButton>
#include <QFont>
#include <QFileDialog>
#include <QVBoxLayout>
#include "header_widget.h"

namespace moveit_setup_assistant
{

// ******************************************************************************************
// ******************************************************************************************
// Class for Header of Screen
// ******************************************************************************************
// ******************************************************************************************

HeaderWidget::HeaderWidget( const std::string &title, const std::string &instructions, QWidget *parent )
  : QWidget(parent)
{
  // Basic widget container
  QVBoxLayout *layout = new QVBoxLayout(this);
  layout->setAlignment( Qt::AlignTop);

  // Page Title
  QLabel *page_title = new QLabel( this );
  page_title->setText( title.c_str() );
  QFont page_title_font( "Arial", 18, QFont::Bold );
  page_title->setFont(page_title_font);
  page_title->setWordWrap(true);
  layout->addWidget( page_title);
  layout->setAlignment( page_title, Qt::AlignTop);

  // Page Instructions
  QLabel *page_instructions = new QLabel( this );
  page_instructions->setText( instructions.c_str() );
  page_instructions->setWordWrap(true);
  //page_instructions->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Expanding );
  page_instructions->setMinimumWidth(1);
  layout->addWidget( page_instructions );
  layout->setAlignment( page_instructions, Qt::AlignTop);

  // Margin on bottom
  layout->setContentsMargins( 0, 0, 0, 0); // last 15

  this->setLayout(layout);
  //this->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Expanding );
}


// ******************************************************************************************
// ******************************************************************************************
// Class for selecting files
// ******************************************************************************************
// ******************************************************************************************

// ******************************************************************************************
// Create the widget
// ******************************************************************************************
LoadPathWidget::LoadPathWidget( const std::string &title, const std::string &instructions,
                                const bool dir_only, const bool load_only, QWidget* parent )
  : QFrame(parent), dir_only_(dir_only), load_only_(load_only)
{
  // Set frame graphics
  setFrameShape(QFrame::StyledPanel);
  setFrameShadow(QFrame::Raised);
  setLineWidth(1);
  setMidLineWidth(0);

  // Basic widget container
  QVBoxLayout *layout = new QVBoxLayout(this);

  // Horizontal layout splitter
  QHBoxLayout *hlayout = new QHBoxLayout();

  // Widget Title
  QLabel * widget_title = new QLabel(this);
  widget_title->setText( title.c_str() );
  QFont widget_title_font( "Arial", 12, QFont::Bold );
  widget_title->setFont(widget_title_font);
  layout->addWidget( widget_title);
  layout->setAlignment( widget_title, Qt::AlignTop);

  // Widget Instructions
  QLabel * widget_instructions = new QLabel(this);
  widget_instructions->setText( instructions.c_str() );
  widget_instructions->setWordWrap(true);
  widget_instructions->setTextFormat( Qt::RichText );
  layout->addWidget( widget_instructions);
  layout->setAlignment( widget_instructions, Qt::AlignTop);

  // Line Edit
  path_box_ = new QLineEdit(this);
  hlayout->addWidget(path_box_);

  // Button
  QPushButton *browse_button = new QPushButton(this);
  browse_button->setText("Browse");
  connect( browse_button, SIGNAL( clicked() ), this, SLOT( btn_file_dialog() ) );
  hlayout->addWidget(browse_button);

  // Add horizontal layer to verticle layer
  layout->addLayout(hlayout);

  setLayout(layout);
}

// ******************************************************************************************
// Load the file dialog
// ******************************************************************************************
void LoadPathWidget::btn_file_dialog()
{
  QString path;
  if( dir_only_ ) // only allow user to select a directory
  {
    path = QFileDialog::getExistingDirectory(this, "Open Package Directory", path_box_->text(),
                                             QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
  }
  else // only allow user to select file
  {
    QString start_path;

      start_path = path_box_->text();

    if( load_only_ )
    {
      path = QFileDialog::getOpenFileName(this, "Open File", start_path, "");
    }
    else
    {
      path = QFileDialog::getSaveFileName(this, "Create/Load File", start_path, "" );
    }
  }

  // check they did not press cancel
  if (path != NULL)
    path_box_->setText( path );
}

// ******************************************************************************************
// Get the QString path
// ******************************************************************************************
const QString LoadPathWidget::getQPath()
{
  return path_box_->text();
}

// ******************************************************************************************
// Get Std String path
// ******************************************************************************************
const std::string LoadPathWidget::getPath()
{
  return getQPath().toStdString();
}

// ******************************************************************************************
// Set the file/dir path
// ******************************************************************************************
void LoadPathWidget::setPath( const QString &path )
{
  path_box_->setText( path );
}

// ******************************************************************************************
// Set the file/dir path with std string
// ******************************************************************************************
void LoadPathWidget::setPath( const std::string &path )
{
  path_box_->setText( QString( path.c_str() ) );
}


}