charttablemodel.cpp
145 lines
| 3.9 KiB
| text/x-c
|
CppLexer
/ src / charttablemodel.cpp
Tero Ahola
|
r1130 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2012 Digia Plc | ||||
| ** All rights reserved. | ||||
| ** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
| ** | ||||
| ** This file is part of the Qt Commercial Charts Add-on. | ||||
| ** | ||||
| ** $QT_BEGIN_LICENSE$ | ||||
| ** Licensees holding valid Qt Commercial licenses may use this file in | ||||
| ** accordance with the Qt Commercial License Agreement provided with the | ||||
| ** Software or, alternatively, in accordance with the terms contained in | ||||
| ** a written agreement between you and Digia. | ||||
| ** | ||||
| ** If you have questions regarding the use of this file, please use | ||||
| ** contact form at http://qt.digia.com | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
| #include "charttablemodel.h" | ||||
| #include <QVector> | ||||
| #include <QTime> | ||||
| #include <QRect> | ||||
| #include <QColor> | ||||
| QTCOMMERCIALCHART_USE_NAMESPACE | ||||
| ChartTableModel::ChartTableModel(QObject *parent) : | ||||
| QAbstractTableModel(parent) | ||||
| { | ||||
| qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); | ||||
| m_columnCount = 2; | ||||
| m_rowCount = 0; | ||||
| // m_data | ||||
| for (int i = 0; i < m_rowCount; i++) { | ||||
| QVector<QVariant>* dataVec = new QVector<QVariant>(m_columnCount); | ||||
| for (int k = 0; k < dataVec->size(); k++) { | ||||
| if (k%2 == 0) | ||||
| dataVec->replace(k, i * 50 + qrand()%20); | ||||
| else | ||||
| dataVec->replace(k, qrand()%100); | ||||
| } | ||||
| m_data.append(dataVec); | ||||
| } | ||||
| } | ||||
| int ChartTableModel::rowCount(const QModelIndex & parent) const | ||||
| { | ||||
| Q_UNUSED(parent) | ||||
| return m_data.count(); | ||||
| } | ||||
| int ChartTableModel::columnCount(const QModelIndex & parent) const | ||||
| { | ||||
| Q_UNUSED(parent) | ||||
| return m_columnCount; | ||||
| } | ||||
| QVariant ChartTableModel::headerData (int section, Qt::Orientation orientation, int role ) const | ||||
| { | ||||
| if (role != Qt::DisplayRole) | ||||
| return QVariant(); | ||||
|
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r1162 | if (orientation == Qt::Horizontal) { | ||
| if (section % 2 == 0) | ||||
|
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r1130 | return "x"; | ||
| else | ||||
| return "y"; | ||||
|
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r1162 | } else { | ||
|
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r1130 | return QString("%1").arg(section + 1); | ||
|
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r1162 | } | ||
|
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r1130 | } | ||
| QVariant ChartTableModel::data(const QModelIndex &index, int role) const | ||||
| { | ||||
| if (role == Qt::DisplayRole) { | ||||
| return m_data[index.row()]->at(index.column()); | ||||
| } else if (role == Qt::EditRole) { | ||||
| return m_data[index.row()]->at(index.column()); | ||||
| } | ||||
| return QVariant(); | ||||
| } | ||||
| bool ChartTableModel::setData(const QModelIndex &index, const QVariant &value, int role) | ||||
| { | ||||
| if (index.isValid() && role == Qt::EditRole) { | ||||
| m_data[index.row()]->replace(index.column(), value); | ||||
| emit dataChanged(index, index); | ||||
| return true; | ||||
| } | ||||
| return false; | ||||
| } | ||||
|
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r1169 | void ChartTableModel::insertColumn(int column, const QModelIndex &parent) | ||
|
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r1130 | { | ||
|
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r1169 | beginInsertColumns(parent, column, column); | ||
| m_columnCount++; | ||||
| endInsertColumns(); | ||||
| } | ||||
|
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r1130 | |||
|
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r1169 | void ChartTableModel::insertRow(int row, const QModelIndex &parent) | ||
| { | ||||
| beginInsertRows(parent, row, row); | ||||
|
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r1130 | QVector<QVariant>* dataVec = new QVector<QVariant>(m_columnCount); | ||
| m_data.insert(row, dataVec); | ||||
| endInsertRows(); | ||||
| } | ||||
| //bool ChartTableModel::removeRow(int row, const QModelIndex &parent) | ||||
| //{ | ||||
| // Q_UNUSED(parent) | ||||
| // Q_ASSERT(row >= 0 && row < rowCount); | ||||
| // beginRemoveRows(parent, row, row); | ||||
| // m_data.removeAt(row); | ||||
| // endRemoveRows(); | ||||
| // return true; | ||||
| //} | ||||
| bool ChartTableModel::removeRow(int row, const QModelIndex &parent) | ||||
| { | ||||
| return QAbstractTableModel::removeRow(row, parent); | ||||
| } | ||||
| bool ChartTableModel::removeRows(int row, int count, const QModelIndex &parent) | ||||
| { | ||||
| beginRemoveRows(parent, row, row + count - 1); | ||||
| bool removed(false); | ||||
| for (int i(row); i < (row + count); i++) { | ||||
| m_data.removeAt(i); | ||||
| removed = true; | ||||
| } | ||||
| endRemoveRows(); | ||||
| return removed; | ||||
| } | ||||
| Qt::ItemFlags ChartTableModel::flags ( const QModelIndex & index ) const | ||||
| { | ||||
| return QAbstractItemModel::flags(index) | Qt::ItemIsEditable; | ||||
| } | ||||
| #include "moc_charttablemodel.cpp" | ||||