dbe::TableTab Class Reference

#include <TableTab.hpp>

Inheritance diagram for dbe::TableTab:

Collaboration diagram for dbe::TableTab:

Public Slots
void	ResetTabView ()

Signals
void	sig_data_dropped (QMimeData const &data, Qt::DropAction)

Public Member Functions
	TableTab (QWidget *parent=0)
	Including Qt.
	~TableTab ()
dbe::models::table *	GetTableModel () const
dbe::models::tableselection *	GetTableFilter () const
CustomDelegate *	GetTableDelegate () const
CustomTableView *	GetTableView () const
void	CreateModels ()
void	DisconnectView ()
void	ResetTableView ()
void	ResizeHeaders ()

Protected Member Functions
void	dropEvent (QDropEvent *event) override
void	dragEnterEvent (QDragEnterEvent *event) override

Private Member Functions
void	create_models ()
void	reset_models ()

Private Attributes
dbe::models::table *	this_model
dbe::models::tableselection *	this_filter
CustomDelegate *	this_delegate
CustomTableView *	this_view
QTabWidget *	this_holder

Detailed Description

Definition at line 17 of file TableTab.hpp.

Constructor & Destructor Documentation

TableTab()

dbe::TableTab::TableTab

(

QWidget *

parent = 0

)

Including Qt.

Including dbe Construct a Tabletab and let everything unitialized until first use

Set the geometry and operational properties of the object

Parameters

parent

a pointer to the parent widget

Adjusting layout

Definition at line 19 of file TableTab.cpp.

  : QWidget ( parent ),
    this_model ( nullptr ),
    this_filter ( nullptr ),
    this_delegate ( nullptr ),
    this_view ( nullptr )
{
  this_view = new CustomTableView();
  QVBoxLayout * TabLayout = new QVBoxLayout ( this );
  TabLayout->addWidget ( this_view );
  this_view->hide();
  setAcceptDrops ( true );
  this_holder = dynamic_cast<QTabWidget *> ( parent );
}

~TableTab()

dbe::TableTab::~TableTab

(

)

Definition at line 35 of file TableTab.cpp.

{
  delete this_model;
  delete this_filter;
  delete this_delegate;
  delete this_view;
}

Member Function Documentation

create_models()

void dbe::TableTab::create_models ( )

private

Definition at line 45 of file TableTab.cpp.

{
 
  if ( this_model == nullptr )
  {
    this_model = new dbe::models::table();
    connect ( this, SIGNAL ( sig_data_dropped ( QMimeData const &, Qt::DropAction ) ),
              this_model,
              SLOT ( slot_data_dropped ( QMimeData const &, Qt::DropAction ) ) );
  }
 
  this_delegate = this_delegate == nullptr ? new CustomDelegate() : this_delegate;
  this_filter = this_filter == nullptr ? new dbe::models::tableselection() : this_filter;
}

CreateModels()

void dbe::TableTab::CreateModels

(

)

Definition at line 66 of file TableTab.cpp.

{
  if ( this_model == nullptr )
  {
    create_models();
  }
  else
  {
    reset_models();
  }
 
  connect ( this_model, SIGNAL ( ResetTab() ), this, SLOT ( ResetTabView() ) );
}

DisconnectView()

void dbe::TableTab::DisconnectView

(

)

Definition at line 82 of file TableTab.cpp.

{
  this_view->setModel ( NULL );
}

dragEnterEvent()

void dbe::TableTab::dragEnterEvent ( QDragEnterEvent * event )

overrideprotected

Capture event of the pointer entering the tabletab while dragging something

Parameters

event

is a pointer to the associated qt event object

Definition at line 125 of file TableTab.cpp.

{
 
  // If there is nothing created then create as needed
  CreateModels();
 
  // Check that all mimetypes are supported
  for ( auto const & mimetype : this_model->mimeTypes() )
  {
    if ( not event->mimeData()->hasFormat( mimetype.toStdString().c_str() ) )
    {
      event->ignore();
      return;
    }
  }
 
  // Support only copy actions
  if ( event->proposedAction() != Qt::DropAction::CopyAction )
  {
    return;
  }
 
  event->acceptProposedAction();
 
  // connect signals
  MainWindow * mainwin = MainWindow::findthis();
  connect ( GetTableView(), SIGNAL ( OpenEditor ( tref ) ), mainwin,
            SLOT ( slot_launch_object_editor ( tref ) ), Qt::UniqueConnection );
  connect ( GetTableDelegate(), SIGNAL ( CreateObjectEditorSignal ( tref ) ), mainwin,
            SLOT ( slot_launch_object_editor ( tref ) ), Qt::UniqueConnection );
}

dropEvent()

void dbe::TableTab::dropEvent ( QDropEvent * event )

overrideprotected

Capture a mouse release event of a dragged object

Properly emits a signal to the associated tablemodel, i.e. this is a thread safe operation

Parameters

event

is a pointer to the associated qt event object

Definition at line 166 of file TableTab.cpp.

{
  emit sig_data_dropped ( *event->mimeData(), event->proposedAction() );
}

GetTableDelegate()

dbe::CustomDelegate * dbe::TableTab::GetTableDelegate

(

)

const

Definition at line 183 of file TableTab.cpp.

{
  return this_delegate;
}

GetTableFilter()

dbe::models::tableselection * dbe::TableTab::GetTableFilter

(

)

const

Definition at line 178 of file TableTab.cpp.

{
  return this_filter;
}

GetTableModel()

dbe::models::table * dbe::TableTab::GetTableModel

(

)

const

Definition at line 173 of file TableTab.cpp.

{
  return this_model;
}

GetTableView()

dbe::CustomTableView * dbe::TableTab::GetTableView

(

)

const

Definition at line 188 of file TableTab.cpp.

{
  return this_view;
}

reset_models()

void dbe::TableTab::reset_models ( )

private

Definition at line 60 of file TableTab.cpp.

{
  this_model->ResetModel();
  this_filter->ResetModel();
}

ResetTableView()

void dbe::TableTab::ResetTableView

(

)

Definition at line 87 of file TableTab.cpp.

{
  this_filter->setSourceModel ( this_model );
 
  this_view->setItemDelegate ( this_delegate );
  this_view->setModel ( this_filter );
  this_view->show();
 
  ResizeHeaders();
}

ResetTabView

void dbe::TableTab::ResetTabView ( )

slot

Definition at line 111 of file TableTab.cpp.

{
  reset_models();
  ResetTableView();
  this_holder->setTabText ( this_holder->indexOf ( this ), this_model->get_class_name() );
}

ResizeHeaders()

void dbe::TableTab::ResizeHeaders

(

)

Definition at line 98 of file TableTab.cpp.

{
    // TODO: at the moment the resize of columns creates too large columns when several data are in a cell
    //       the resize of rows is a little bit expensive with large tables
    //       to be re-evaluated
    //
    //  if ( this_view->model() != nullptr )
    //  {
    //      this_view->resizeRowsToContents();
    //      this_view->resizeColumnsToContents();
    //  }
}

sig_data_dropped

void dbe::TableTab::sig_data_dropped ( QMimeData const & data, Qt::DropAction  )

signal

Member Data Documentation

this_delegate

CustomDelegate* dbe::TableTab::this_delegate

private

Definition at line 39 of file TableTab.hpp.

this_filter

dbe::models::tableselection* dbe::TableTab::this_filter

private

Definition at line 38 of file TableTab.hpp.

this_holder

QTabWidget* dbe::TableTab::this_holder

private

Definition at line 41 of file TableTab.hpp.

this_model

dbe::models::table* dbe::TableTab::this_model

private

Definition at line 37 of file TableTab.hpp.

this_view

CustomTableView* dbe::TableTab::this_view

private

Definition at line 40 of file TableTab.hpp.

---

The documentation for this class was generated from the following files:

• /github/workspace/dunedaq/sourcecode/dbe/include/dbe/TableTab.hpp
• /github/workspace/dunedaq/sourcecode/dbe/src/TableTab.cpp