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* FermentableTableModel.cpp is part of Brewtarget, and is Copyright Philip G. Lee
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* (rocketman768@gmail.com), 2009.
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* Brewtarget is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* Brewtarget is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <QAbstractTableModel>
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#include <QAbstractItemModel>
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#include <QAbstractItemView>
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#include <QModelIndex>
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#include <QItemEditorFactory>
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#include "brewtarget.h"
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#include "observable.h"
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#include "fermentable.h"
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#include "FermentableTableModel.h"
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//=====================CLASS FermentableTableModel==============================
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FermentableTableModel::FermentableTableModel(FermentableTableWidget* parent)
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: QAbstractTableModel(parent), MultipleObserver()
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parentTableWidget = parent;
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displayPercentages = false;
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void FermentableTableModel::addFermentable(Fermentable* ferm)
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std::vector<Fermentable*>::iterator iter;
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//Check to see if it's already in the list
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for( iter=fermObs.begin(); iter != fermObs.end(); iter++ )
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fermObs.push_back(ferm);
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totalFermMass_kg += ferm->getAmount_kg();
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reset(); // Tell everybody that the table has changed.
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parentTableWidget->resizeColumnsToContents();
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parentTableWidget->resizeRowsToContents();
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bool FermentableTableModel::removeFermentable(Fermentable* ferm)
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std::vector<Fermentable*>::iterator iter;
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for( iter=fermObs.begin(); iter != fermObs.end(); iter++ )
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totalFermMass_kg -= ferm->getAmount_kg();
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reset(); // Tell everybody the table has changed.
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parentTableWidget->resizeColumnsToContents();
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parentTableWidget->resizeRowsToContents();
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void FermentableTableModel::removeAll()
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for( i = 0; i < fermObs.size(); ++i )
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removeObserved(fermObs[i]);
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totalFermMass_kg = 0;
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void FermentableTableModel::updateTotalGrains()
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unsigned int i, size;
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totalFermMass_kg = 0;
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size = fermObs.size();
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for( i = 0; i < size; ++i )
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totalFermMass_kg += fermObs[i]->getAmount_kg();
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void FermentableTableModel::setDisplayPercentages(bool var)
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displayPercentages = var;
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void FermentableTableModel::notify(Observable* notifier, QVariant info)
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// Find the notifier in the list
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for( i = 0; i < (int)fermObs.size(); ++i )
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if( notifier == fermObs[i] )
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emit dataChanged( QAbstractItemModel::createIndex(i, 0),
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QAbstractItemModel::createIndex(i, FERMNUMCOLS));
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int FermentableTableModel::rowCount(const QModelIndex& /*parent*/) const
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return fermObs.size();
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int FermentableTableModel::columnCount(const QModelIndex& /*parent*/) const
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QVariant FermentableTableModel::data( const QModelIndex& index, int role ) const
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// Ensure the row is ok.
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if( index.row() >= (int)fermObs.size() )
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std::cerr << "Bad model index. row = " << index.row() << std::endl;
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row = fermObs[index.row()];
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switch( index.column() )
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if( role == Qt::DisplayRole )
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return QVariant(row->getName().c_str());
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if( role == Qt::DisplayRole )
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return QVariant(row->getType().c_str());
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if( role == Qt::DisplayRole )
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return QVariant( Brewtarget::displayAmount(row->getAmount_kg(), Units::kilograms) );
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case FERMISMASHEDCOL:
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if( role == Qt::CheckStateRole )
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return QVariant( row->getIsMashed() ? Qt::Checked : Qt::Unchecked);
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else if( role == Qt::DisplayRole )
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return row->getIsMashed() ? QString("Mashed") : QString ("Not mashed");
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if( role == Qt::DisplayRole )
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return QVariant( Brewtarget::displayAmount(row->getYield_pct(), 0) );
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if( role == Qt::DisplayRole )
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return QVariant( Brewtarget::displayAmount(row->getColor_srm(), 0) );
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std::cerr << "Bad column: " << index.column() << std::endl;
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QVariant FermentableTableModel::headerData( int section, Qt::Orientation orientation, int role ) const
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if( orientation == Qt::Horizontal && role == Qt::DisplayRole )
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return QVariant("Name");
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return QVariant("Type");
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return QVariant("Amount");
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case FERMISMASHEDCOL:
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return QVariant("Mashed");
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return QVariant("Yield %");
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return QVariant("Color (SRM)");
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std::cerr << "Bad column: " << section << std::endl;
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else if( displayPercentages && orientation == Qt::Vertical && role == Qt::DisplayRole )
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return QVariant( QString("%1\%").arg( (double)100.0 *fermObs[section]->getAmount_kg()/totalFermMass_kg, 0, 'f', 0 ) );
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Qt::ItemFlags FermentableTableModel::flags(const QModelIndex& index ) const
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Qt::ItemFlags defaults = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
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if( index.column() == FERMISMASHEDCOL )
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return (defaults | Qt::ItemIsUserCheckable);
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return (defaults | Qt::ItemIsEditable);
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bool FermentableTableModel::setData( const QModelIndex& index, const QVariant& value, int role )
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if( index.row() >= (int)fermObs.size() )
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row = fermObs[index.row()];
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switch( index.column() )
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if( value.canConvert(QVariant::String))
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row->setName(value.toString().toStdString());
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if( value.canConvert(QVariant::String) )
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row->setType(value.toString().toStdString());
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if( value.canConvert(QVariant::String) )
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row->setAmount_kg( Unit::qstringToSI(value.toString()) );
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case FERMISMASHEDCOL:
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if( role == Qt::CheckStateRole && value.canConvert(QVariant::Int) )
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row->setIsMashed( ((Qt::CheckState)value.toInt()) == Qt::Checked );
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if( value.canConvert(QVariant::String) )
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row->setYield_pct( Unit::qstringToSI(value.toString()) );
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if( value.canConvert(QVariant::String) )
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row->setColor_srm( Unit::qstringToSI(value.toString()) );
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std::cerr << "Bad column: " << index.column() << std::endl;
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Fermentable* FermentableTableModel::getFermentable(unsigned int i)
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//======================CLASS FermentableItemDelegate===========================
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FermentableItemDelegate::FermentableItemDelegate(QObject* parent)
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: QStyledItemDelegate(parent)
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//connect( this, SIGNAL(closeEditor(QWidget*, QAbstractItemDelegate::EndEditHint)), this, SLOT(destroyWidget(QWidget*, QAbstractItemDelegate::EndEditHint)) );
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void FermentableItemDelegate::destroyWidget(QWidget* widget, QAbstractItemDelegate::EndEditHint hint)
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QWidget* FermentableItemDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem& option, const QModelIndex& index) const
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if( index.column() == FERMTYPECOL )
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QComboBox *box = new QComboBox(parent);
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box->addItem("Grain");
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box->addItem("Sugar");
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box->addItem("Extract");
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box->addItem("Dry Extract");
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box->addItem("Adjunct");
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box->setSizeAdjustPolicy(QComboBox::AdjustToContents);
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else if( index.column() == FERMISMASHEDCOL )
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QCheckBox* box = new QCheckBox(parent);
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box->setFocusPolicy(Qt::StrongFocus);
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box->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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QWidget* displayWidget = (((FermentableTableModel*)(index.model()))->parentTableWidget)->indexWidget(index);
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if( displayWidget != 0 )
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box->move(displayWidget->pos());
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***Didn't work at all***/
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QRect rect = QStyle::alignedRect(Qt::LeftToRight, Qt::AlignLeft, box->sizeHint(), option.rect);
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std::cerr << "option.rect " << option.rect.x() << " " << option.rect.y() << " " << option.rect.width() << " " << option.rect.height() << std::endl;
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std::cerr << "rect " << rect.x() << " " << rect.y() << " " << rect.width() << " " << rect.height() << std::endl;
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box->move(rect.topRight());
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***Didn't really do much either***/
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//return QItemDelegate::createEditor(parent, option, index);
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//return itemEditorFactory()->createEditor(QVariant::Bool, parent);
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return new QLineEdit(parent);
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void FermentableItemDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
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if( index.column() == FERMTYPECOL )
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QComboBox* box = (QComboBox*)editor;
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QString text = index.model()->data(index, Qt::DisplayRole).toString();
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int index = box->findText(text);
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box->setCurrentIndex(index);
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else if( index.column() == FERMISMASHEDCOL )
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QCheckBox* checkBox = (QCheckBox*)editor;
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Qt::CheckState checkState = (Qt::CheckState)index.model()->data(index, Qt::CheckStateRole).toInt();
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checkBox->setCheckState( checkState );
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QLineEdit* line = (QLineEdit*)editor;
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line->setText(index.model()->data(index, Qt::DisplayRole).toString());
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void FermentableItemDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
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if( index.column() == FERMTYPECOL )
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QComboBox* box = (QComboBox*)editor;
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QString value = box->currentText();
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model->setData(index, value, Qt::EditRole);
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else if( index.column() == FERMISMASHEDCOL )
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QCheckBox* checkBox = (QCheckBox*)editor;
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bool checked = (checkBox->checkState() == Qt::Checked);
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model->setData(index, checked, Qt::EditRole);
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QLineEdit* line = (QLineEdit*)editor;
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model->setData(index, line->text(), Qt::EditRole);
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void FermentableItemDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const
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if( index.column() == FERMISMASHEDCOL )
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QItemDelegate::drawCheck(painter, option, option.rect, (Qt::CheckState)index.model()->data(index, Qt::CheckStateRole).toInt() );
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QString str = index.model()->data(index, Qt::DisplayRole).toString();
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QItemDelegate::drawDisplay(painter, option, option.rect, str);
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void FermentableItemDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const
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editor->setGeometry(option.rect);
added
removed
FermentableTableModel.cpp
