X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2Fqt4%2FTocModel.h;h=0c3c6b09dde61d52851f15e99c9a4319b892a575;hb=1f10969bb5c5f36017bf5ba8671381b09945cf57;hp=8ebbc8d9f4bfcfba4f02304c666074dd4ffb42a5;hpb=ffa722e0b7cefbbdc6f7e387a50fefb889bcb7d9;p=lyx.git

diff --git a/src/frontends/qt4/TocModel.h b/src/frontends/qt4/TocModel.h
index 8ebbc8d9f4..0c3c6b09dd 100644
--- a/src/frontends/qt4/TocModel.h
+++ b/src/frontends/qt4/TocModel.h
@@ -12,102 +12,142 @@
 #ifndef TOCMODEL_H
 #define TOCMODEL_H
 
-#include "TocBackend.h"
+#include "Toc.h"
 
-#include "qt_helpers.h"
-
-#include <QStandardItemModel>
-
-#include <map>
+#include <QHash>
+#include <QSortFilterProxyModel>
 
 namespace lyx {
 
+class Buffer;
 class BufferView;
+class DocIterator;
 
 namespace frontend {
 
-class TocModel : public QStandardItemModel
+class TocTypeModel;
+
+/// A class that adapt the TocBackend of a Buffer into standard Qt models for
+/// GUI visualisation.
+/// There is one TocModel per list in the TocBackend.
+class TocModel
 {
+	/// noncopyable
+	TocModel(TocModel const &);
+	void operator=(TocModel const &);
 public:
 	///
-	TocModel() {}
+	TocModel(QObject * parent);
 	///
-	TocModel(Toc const & toc) { populate(toc); }
+	void reset(std::shared_ptr<Toc const>);
+	///
+	void reset();
+	///
+	void updateItem(DocIterator const & dit);
 	///
 	void clear();
 	///
-	void populate(Toc const & toc);
+	QAbstractItemModel * model();
+	///
+	QAbstractItemModel const * model() const;
 	///
-	TocIterator tocIterator(QModelIndex const & index) const;
+	void sort(bool sort_it);
 	///
-	QModelIndex modelIndex(TocIterator const & it) const;
+	bool isSorted() const { return is_sorted_; }
+	///
+	TocItem const & tocItem(QModelIndex const & index) const;
+	///
+	QModelIndex modelIndex(DocIterator const & dit) const;
 	///
 	int modelDepth() const;
 
 private:
 	///
-	void populate(TocIterator & it, TocIterator const & end,
-		QModelIndex const & parent);
+	void populate(unsigned int & index, QModelIndex const & parent);
+	///
+	void setString(TocItem const & item, QModelIndex index);
 	///
-	typedef std::map<QModelIndex, TocIterator> TocMap;
+	TocTypeModel * model_;
 	///
-	typedef std::map<TocIterator, QModelIndex> ModelMap;
+	QSortFilterProxyModel * sorted_model_;
 	///
-	TocMap toc_map_;
+	bool is_sorted_;
 	///
-	ModelMap model_map_;
+	std::shared_ptr<Toc const> toc_;
 	///
 	int maxdepth_;
+	///
 	int mindepth_;
 };
 
 
-class TocModels: public QObject
+/// A filter to sort the models alphabetically but with
+/// the table of contents on top.
+class TocModelSortProxyModel : public QSortFilterProxyModel
+{
+public:
+	TocModelSortProxyModel(QObject * w) 
+		: QSortFilterProxyModel(w)
+	{}
+
+	bool lessThan (const QModelIndex & left, const QModelIndex & right) const
+	{
+		if (left.model()->data(left, Qt::UserRole).toString()
+			  == QString("tableofcontents"))
+			return true;
+		else if (right.model()->data(right, Qt::UserRole).toString()
+			  == QString("tableofcontents"))
+			return false;
+		else
+			return QSortFilterProxyModel::lessThan(left, right);
+	}
+};
+
+
+
+/// A container for the different TocModels.
+class TocModels : public QObject
 {
 	Q_OBJECT
 public:
 	///
-	TocModels(): bv_(0) {}
-	///
-	TocModels::~TocModels() { clear(); }
+	TocModels();
 	///
 	void reset(BufferView const * bv);
 	///
-	int depth(int type);
+	int depth(QString const & type);
 	///
-	QStandardItemModel * model(int type);
+	QAbstractItemModel * model(QString const & type);
 	///
-	QModelIndex TocModels::currentIndex(int type) const;
+	QAbstractItemModel * nameModel();
 	///
-	void goTo(int type, QModelIndex const & index) const;
+	QModelIndex currentIndex(QString const & type,
+	                         DocIterator const & dit) const;
 	///
-	void TocModels::init(Buffer const & buffer);
-	/// Test if outlining operation is possible
-	bool canOutline(int type) const;
-	/// Return the list of types available
-	QStringList const & typeNames() const { return type_names_; }
+	void goTo(QString const & type, QModelIndex const & index) const;
 	///
-	void updateBackend() const;
+	void init(Buffer const & buffer);
 	///
-	int decodeType(QString const & str) const;
-
-Q_SIGNALS:
-	/// Signal that the internal toc_models_ has been reset.
-	void modelReset();
+	void updateItem(QString const & type, DocIterator const & dit);
+	///
+	void sort(QString const & type, bool sort_it);
+	///
+	bool isSorted(QString const & type) const;
+	/// the item that is currently selected
+	TocItem const currentItem(QString const & type,
+		QModelIndex const & index) const;
 
 private:
+	typedef QHash<QString, TocModel *>::const_iterator const_iterator;
+	typedef QHash<QString, TocModel *>::iterator iterator;
 	///
 	void clear();
-	/// Return the guiname from a given cmdName of the TOC param
-	QString guiName(std::string const & type) const;
-	///
-	BufferView const * bv_;
 	///
-	std::vector<TocModel *> models_;
+	QHash<QString, TocModel *> models_;
 	///
-	QStringList types_;
+	TocTypeModel * names_;
 	///
-	QStringList type_names_;
+	TocModelSortProxyModel * names_sorted_;
 };
 
 } // namespace frontend