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#include "customtablemodel.h"
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CustomTableModel::CustomTableModel(QObject *parent) :
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QAbstractTableModel(parent)
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{
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m_points.append(QPointF(10, 50));
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m_labels.append("Apples");
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m_points.append(QPointF(60, 70));
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m_labels.append("Oranges");
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m_points.append(QPointF(110, 50));
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m_labels.append("Bananas");
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m_points.append(QPointF(140, 40));
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m_labels.append("Lemons");
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m_points.append(QPointF(200, 150));
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m_labels.append("Plums");
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m_points.append(QPointF(225, 75));
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m_labels.append("Pearls");
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}
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int CustomTableModel::rowCount(const QModelIndex & parent) const
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{
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return m_points.count();
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}
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int CustomTableModel::columnCount(const QModelIndex & parent) const
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{
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return 3;
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}
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QVariant CustomTableModel::headerData (int section, Qt::Orientation orientation, int role ) const
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{
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if (role != Qt::DisplayRole)
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return QVariant();
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if (orientation == Qt::Horizontal)
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{
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switch(section)
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{
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case 0:
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return "x";
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case 1:
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return "y";
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case 2:
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return "Fruit";
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default:
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return "What?";
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}
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}
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else
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return QString("%1").arg(section + 1);
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}
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QVariant CustomTableModel::data(const QModelIndex & index, int role) const
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{
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if (role == Qt::DisplayRole)
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{
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switch(index.column())
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{
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case 0:
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return m_points[index.row()].x();
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case 1:
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return m_points[index.row()].y();
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case 2:
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return m_labels[index.row()];
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default:
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return QVariant();
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}
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}
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else if (role == Qt::EditRole)
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{
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switch(index.column())
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{
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case 0:
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return m_points[index.row()].x();
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case 1:
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return m_points[index.row()].y();
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case 2:
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return m_labels[index.row()];
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default:
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return QVariant();
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}
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}
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}
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bool CustomTableModel::setData ( const QModelIndex & index, const QVariant & value, int role)
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{
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if (index.isValid() && role == Qt::EditRole)
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{
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switch(index.column())
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{
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case 0:
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m_points[index.row()].setX(value.toDouble());
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break;
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case 1:
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m_points[index.row()].setY(value.toDouble());
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break;
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case 2:
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m_labels.replace(index.row(), value.toString());
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break;
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default:
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return false;
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}
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emit dataChanged(index, index);
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return true;
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}
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return false;
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}
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Qt::ItemFlags CustomTableModel::flags ( const QModelIndex & index ) const
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{
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// if (!index.isValid())
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// return Qt::ItemIsEnabled;
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return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
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}
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bool CustomTableModel::insertRows ( int row, int count, const QModelIndex & parent)
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{
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if (row < 0)
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row = 0;
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beginInsertRows(QModelIndex(), row /*dataTable.count()*/, row + count - 1);
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for (int i = row; i < row + count; i++)
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{
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m_points.insert(row, QPointF());
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m_labels.insert(row,(""));
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}
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endInsertRows();
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return true;
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}
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bool CustomTableModel::removeRows ( int row, int count, const QModelIndex & parent)
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{
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if (row > this->rowCount() - 1)
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return false;
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if (row < 0)
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row = 0;
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if (row + count > rowCount())
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return false;
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beginRemoveRows(parent, row, row + count - 1);
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for (int i = row; i < row + count; i++)
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{
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m_points.removeAt(row);
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m_labels.removeAt(row);
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}
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endRemoveRows();
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return true;
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}
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