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kspread Binding.cpp Go to the documentation of this file. /* This file is part of the KDE project Copyright 2007 Stefan Nikolaus <stefan.nikolaus@kdemail.net> Copyright (C) 2008 Thomas Zander <zander@kde.org> This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "Binding.h" #include "BindingModel.h" #include <QRect> #include <kdebug.h> #include "CellStorage.h" #include "Map.h" #include "Sheet.h" #include "Value.h" using namespace KSpread; class Binding::Private : public QSharedData { public: Private() : model(0) {} ~Private() { delete model; } BindingModel* model; }; Binding::Binding() : d(new Private) { } Binding::Binding(const Region& region) : d(new Private) { Q_ASSERT(region.isValid()); d->model = new BindingModel(this); d->model->setRegion(region); } Binding::Binding(const Binding& other) : d(other.d) { } Binding::~Binding() { } bool Binding::isEmpty() const { return d->model->region().isEmpty(); } QAbstractItemModel* Binding::model() const { return d->model; } const KSpread::Region& Binding::region() const { return d->model->region(); } void Binding::setRegion(const Region& region) { d->model->setRegion(region); } void Binding::update(const Region& region) { QRect rect; Region changedRegion; const QPoint offset = d->model->region().firstRange().topLeft(); const QRect range = d->model->region().firstRange(); const Sheet* sheet = d->model->region().firstSheet(); Region::ConstIterator end(region.constEnd()); for (Region::ConstIterator it = region.constBegin(); it != end; ++it) { if (sheet != (*it)->sheet()) continue; rect = range & (*it)->rect(); rect.translate( -offset.x(), -offset.y() ); if (rect.isValid()) { d->model->emitDataChanged(rect); changedRegion.add(rect, (*it)->sheet()); } } d->model->emitChanged(changedRegion); } void Binding::operator=(const Binding& other) { d = other.d; } bool Binding::operator==(const Binding& other) const { return d == other.d; } bool Binding::operator<(const Binding& other) const { return d < other.d; } QHash<QString, QVector<QRect> > BindingModel::cellRegion() const { QHash<QString, QVector<QRect> > answer; Region::ConstIterator end = m_region.constEnd(); for (Region::ConstIterator it = m_region.constBegin(); it != end; ++it) { if (!(*it)->isValid()) { continue; } answer[(*it)->name()].append((*it)->rect()); } return answer; } bool BindingModel::setCellRegion(const QString& regionName) { Q_ASSERT(m_region.isValid()); Q_ASSERT(m_region.firstSheet()); const Map* const map = m_region.firstSheet()->map(); const Region region = Region(regionName, map); if (!region.isValid()) { kDebug() << qPrintable(regionName) << "is not a valid region."; return false; } // Clear the old binding. Region::ConstIterator end = m_region.constEnd(); for (Region::ConstIterator it = m_region.constBegin(); it != end; ++it) { if (!(*it)->isValid()) { continue; } // FIXME Stefan: This may also clear other bindings! (*it)->sheet()->cellStorage()->setBinding(Region((*it)->rect(), (*it)->sheet()), Binding()); } // Set the new region m_region = region; end = m_region.constEnd(); for (Region::ConstIterator it = m_region.constBegin(); it != end; ++it) { if (!(*it)->isValid()) { continue; } (*it)->sheet()->cellStorage()->setBinding(Region((*it)->rect(), (*it)->sheet()), *m_binding); } return true; } BindingModel::BindingModel(Binding* binding, QObject *parent) : QAbstractTableModel(parent) , m_binding(binding) { } bool BindingModel::isCellRegionValid(const QString& regionName) const { Q_CHECK_PTR(m_region.firstSheet()); Q_CHECK_PTR(m_region.firstSheet()->map()); return Region(regionName, m_region.firstSheet()->map()).isValid(); } QString BindingModel::regionAddress() const { return m_region.name(); } void BindingModel::emitChanged(const Region& region) { emit changed(region); } void BindingModel::emitDataChanged(const QRect& rect) { const QPoint tl = rect.topLeft(); const QPoint br = rect.bottomRight(); kDebug() << "emit QAbstractItemModel::dataChanged(" << index(tl.y(), tl.x()) << ", " << index(br.y(), br.x()) << ");"; emit dataChanged(index(tl.y(), tl.x()), index(br.y(), br.x())); } QVariant BindingModel::data(const QModelIndex& index, int role) const { if ((m_region.isEmpty()) || (role != Qt::EditRole && role != Qt::DisplayRole)) return QVariant(); const QPoint offset = m_region.firstRange().topLeft(); const Sheet* sheet = m_region.firstSheet(); const Value value = sheet->cellStorage()->value(offset.x() + index.column(), offset.y() + index.row()); // KoChart::Value is either: // - a double (interpreted as a value) // - a QString (interpreted as a label) // - a QDateTime (interpreted as a date/time value) // - Invalid (interpreted as empty) QVariant variant; switch (value.type()) { case Value::Float: case Value::Integer: if (value.format() == Value::fmt_DateTime || value.format() == Value::fmt_Date || value.format() == Value::fmt_Time) { variant.setValue<QDateTime>(value.asDateTime(sheet->map()->calculationSettings())); break; } case Value::Boolean: case Value::Complex: case Value::Array: variant.setValue<double>(numToDouble (value.asFloat())); break; case Value::String: case Value::Error: variant.setValue<QString>(value.asString()); break; case Value::Empty: case Value::CellRange: default: break; } //kDebug() << index.column() <<"," << index.row() <<"," << variant; return variant; } const KSpread::Region& BindingModel::region() const { return m_region; } QVariant BindingModel::headerData(int section, Qt::Orientation orientation, int role) const { if ( (m_region.isEmpty()) || (role != Qt::EditRole && role != Qt::DisplayRole)) return QVariant(); const QPoint offset = m_region.firstRange().topLeft(); const int col = (orientation == Qt::Vertical) ? offset.x() : offset.x() + section; const int row = (orientation == Qt::Vertical) ? offset.y() + section : offset.y(); const Sheet* sheet = m_region.firstSheet(); const Value value = sheet->cellStorage()->value(col, row); return value.asVariant(); } int BindingModel::rowCount(const QModelIndex& parent) const { Q_UNUSED(parent); return m_region.isEmpty() ? 0 : m_region.firstRange().height(); } int BindingModel::columnCount(const QModelIndex& parent) const { Q_UNUSED(parent); return m_region.isEmpty() ? 0 : m_region.firstRange().width(); } void BindingModel::setRegion(const Region& region) { m_region = region; } #include "BindingModel.moc" kspread Skip menu "kspread" Main Page Modules Namespace List Class Hierarchy Alphabetical List Class List File List Namespace Members Class Members Related Pages API Reference Skip menu "API Reference" kdgantt Kexi   KoProperty   flake kplato krita   image   plugins       libbrush       libpaintop   ui kspread   part     scripting libs   flake   kotext   main   pigment   store   musicshape Generated for API Reference by doxygen 1.5.9-20090814 This website is maintained by Adriaan de Groot and Allen Winter. 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