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0246d95423
There's also a little cleanup here. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@24311 a592a061-630c-0410-9148-cb99ea01b6c8
127 lines
3.9 KiB
C++
127 lines
3.9 KiB
C++
// -*- C++ -*-
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/**
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* \file GuiIdListModel.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Richard Heck
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*
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* Some of this code is based upon qstringlistmodel.{h,cpp}, which is
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* part of the Qt toolkit, copyright (C) 1992-2007 Trolltech ASA, and
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* released under the General Public License.
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef GUIIDLISTMODEL_H
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#define GUIIDLISTMODEL_H
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#include "support/qstring_helpers.h"
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#include <QAbstractListModel>
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#include <vector>
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#include <string>
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namespace lyx {
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namespace frontend {
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/**
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* A QAbstractListModel that associates an identifying string with
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* each item, as well as a display string. The display string is set
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* with setUIString; the identifying string, with setIDString.
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*
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* This is intended to be used, for example, with GuiSelectionManager.
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* In that case, one needs to recover from selectedModel which items
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* have been selected. One may not wish to do so using the string that
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* is there *displayed*, since, among other things, that string may be
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* translated. So the id can be used to identify the items in this case.
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*/
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class GuiIdListModel : public QAbstractListModel {
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public:
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///
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GuiIdListModel() {}
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//////////////////////////////////////////////////////////////////////
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// Methods overridden from QAbstractListModel
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//////////////////////////////////////////////////////////////////////
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///
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int rowCount(QModelIndex const & = QModelIndex()) const
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{ return userData_.size(); }
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///
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virtual QVariant data(QModelIndex const & index,
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int role = Qt::DisplayRole) const;
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///
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bool insertRows(int row, int count, QModelIndex const & parent = QModelIndex());
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///
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bool removeRows(int row, int count, QModelIndex const & parent = QModelIndex());
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///
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void clear() { removeRows(0, rowCount()); }
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///
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virtual bool setData (QModelIndex const & index,
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const QVariant & value, int role = Qt::EditRole );
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///
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virtual QMap<int, QVariant> itemData(QModelIndex const & index ) const;
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//////////////////////////////////////////////////////////////////////
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// New methods
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//////////////////////////////////////////////////////////////////////
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///
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void insertRow(int const i, QString const & uiString,
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std::string const & idString, QString const & ttString);
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/// A convenience method, setting ttString to the same as uiString
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void insertRow(int const i, QString const & uiString,
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std::string const & idString);
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/// \return the index of the (first) item with idString
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/// \return -1 if not found
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int findIDString(std::string const & idString);
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///
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virtual QString getIDString(QModelIndex const & index) const
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{ return data(index, Qt::UserRole).toString(); }
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///
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virtual std::string getIDString(int const i) const
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{ return fromqstr(getIDString(index(i))); }
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private:
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/// noncopyable
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GuiIdListModel(GuiIdListModel const &);
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///
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void operator=(GuiIdListModel const &);
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///
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void setUIString(QModelIndex const & index, QString const & value)
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{ setData(index, value); }
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///
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void setUIString(int const i, QString const & value)
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{ setUIString(index(i), value); }
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///
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void setIDString(QModelIndex const & index, QString const & value)
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{ setData(index, value, Qt::UserRole); }
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///
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void setIDString(int const i, std::string const & value)
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{ setIDString(index(i), toqstr(value)); }
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///
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void setTTString(QModelIndex const & index, QString const & value)
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{ setData(index, value, Qt::ToolTipRole); }
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///
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void setTTString(int const i, QString const & value)
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{ setTTString(index(i), value); }
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struct OurData {
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/// Qt::DisplayRole and Qt::EditRole
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QVariant uiString;
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/// Qt::UserRole
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QVariant idString;
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/// Qt::ToolTipRole
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QVariant ttString;
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};
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///
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std::vector<OurData> userData_;
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///
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bool rowIsValid(int const i) const
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{
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return i >= 0 && i <= int(userData_.size());
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}
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};
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}
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}
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#endif //GUIIDLISTMODEL_H
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