customtablemodel.cpp
123 lines
| 2.9 KiB
| text/x-c
|
CppLexer
Marek Rosa
|
r519 | #include "customtablemodel.h" | ||
| CustomTableModel::CustomTableModel(QObject *parent) : | ||||
| QAbstractTableModel(parent) | ||||
| { | ||||
| m_points.append(QPointF(10, 50)); | ||||
| m_labels.append("Apples"); | ||||
| m_points.append(QPointF(60, 70)); | ||||
| m_labels.append("Oranges"); | ||||
| m_points.append(QPointF(110, 50)); | ||||
| m_labels.append("Bananas"); | ||||
| m_points.append(QPointF(140, 40)); | ||||
| m_labels.append("Lemons"); | ||||
| m_points.append(QPointF(200, 150)); | ||||
| m_labels.append("Plums"); | ||||
| } | ||||
| int CustomTableModel::rowCount(const QModelIndex & parent) const | ||||
| { | ||||
| return m_points.count(); | ||||
| } | ||||
| int CustomTableModel::columnCount(const QModelIndex & parent) const | ||||
| { | ||||
| return 3; | ||||
| } | ||||
| QVariant CustomTableModel::headerData (int section, Qt::Orientation orientation, int role ) const | ||||
| { | ||||
| if (role != Qt::DisplayRole) | ||||
| return QVariant(); | ||||
| if (orientation == Qt::Horizontal) | ||||
| { | ||||
| switch(section) | ||||
| { | ||||
| case 0: | ||||
| return "x"; | ||||
| case 1: | ||||
| return "y"; | ||||
| case 2: | ||||
| return "Fruit"; | ||||
| default: "What?"; | ||||
| } | ||||
| } | ||||
| else | ||||
| return QString("%1").arg(section + 1); | ||||
| } | ||||
| QVariant CustomTableModel::data(const QModelIndex & index, int role) const | ||||
| { | ||||
| if (role == Qt::DisplayRole) | ||||
| { | ||||
| switch(index.column()) | ||||
| { | ||||
| case 0: | ||||
| return m_points[index.row()].x(); | ||||
| case 1: | ||||
| return m_points[index.row()].y(); | ||||
| case 2: | ||||
| return m_labels[index.row()]; | ||||
| default: | ||||
| return QVariant(); | ||||
| } | ||||
| } | ||||
| else if (role == Qt::EditRole) | ||||
| { | ||||
| switch(index.column()) | ||||
| { | ||||
| case 0: | ||||
| return m_points[index.row()].x(); | ||||
| case 1: | ||||
| return m_points[index.row()].y(); | ||||
| case 2: | ||||
| return m_labels[index.row()]; | ||||
| default: | ||||
| return QVariant(); | ||||
| } | ||||
| } | ||||
| } | ||||
| bool CustomTableModel::setData ( const QModelIndex & index, const QVariant & value, int role) | ||||
| { | ||||
| if (index.isValid() && role == Qt::EditRole) | ||||
| { | ||||
| switch(index.column()) | ||||
| { | ||||
| case 0: | ||||
| m_points[index.row()].setX(value.toDouble()); | ||||
| break; | ||||
| case 1: | ||||
| m_points[index.row()].setY(value.toDouble()); | ||||
| break; | ||||
| case 2: | ||||
| m_labels.replace(index.row(), value.toString()); | ||||
| break; | ||||
| default: | ||||
| return false; | ||||
| } | ||||
| emit dataChanged(index, index); | ||||
| return true; | ||||
| } | ||||
| return false; | ||||
| } | ||||
| Qt::ItemFlags CustomTableModel::flags ( const QModelIndex & index ) const | ||||
| { | ||||
| if (!index.isValid()) | ||||
| return Qt::ItemIsEnabled; | ||||
| return QAbstractItemModel::flags(index) | Qt::ItemIsEditable; | ||||
| } | ||||
| bool CustomTableModel::insertRows ( int row, int count, const QModelIndex & parent) | ||||
| { | ||||
| beginInsertRows(QModelIndex(), row /*dataTable.count()*/, row + count - 1); | ||||
| for (int i = 0; i < count; i++) | ||||
| { | ||||
| m_points.append(QPointF()); | ||||
| m_labels.append(""); | ||||
| } | ||||
| endInsertRows(); | ||||
| return true; | ||||
| } | ||||