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Initialized repository with current sources.
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Matthias Koefferlein
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2016 Matthias Koefferlein
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef HDR_layCellTreeModel
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#define HDR_layCellTreeModel
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#include <vector>
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#include "dbLayout.h"
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#include <QAbstractItemModel>
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class QTreeView;
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namespace tl
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{
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class GlobPattern;
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}
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namespace lay
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{
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class LayoutView;
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class CellTreeItem;
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/**
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* @brief The cell tree model
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*
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* This model delivers data of the cell tree forming either a flat
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* representation or a hierarchical one.
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*/
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class CellTreeModel
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: public QAbstractItemModel,
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public tl::Object
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{
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public:
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enum Flags {
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Flat = 1, // flat list (rather than hierarchy)
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Children = 2, // direct children of cell "base"
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Parents = 4, // direct parents of cell "base"
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TopCells = 8, // show top cells only
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BasicCells = 16, // show basic cells (PCells included, no proxies)
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NoPadding = 32 // enable padding of display string with a blank at the beginning and end
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};
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enum Sorting {
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ByName, // sort by name
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ByArea, // sort by cell area (small to large)
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ByAreaReverse // sort by cell area (large to small)
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};
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/**
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* @brief Constructor
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*
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* The LayoutView reference is required to obtain hidden cell state and current state flags.
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* The flags member is a combination of the flags given by
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* If flags "Children" or "Parents" are given, "base" must be set to the cell of which
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* the children or parents should be derived.
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*/
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CellTreeModel (QWidget *parent, lay::LayoutView *view, int cv_index, unsigned int flags = 0, const db::Cell *base = 0, Sorting sorting = ByName);
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/**
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* @brief Constructor
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*
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* This constructor does not take a view but rather a layout. It does not display hidden status or similar.
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*/
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CellTreeModel (QWidget *parent, db::Layout *layout, unsigned int flags = 0, const db::Cell *base = 0, Sorting sorting = ByName);
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/**
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* @brief Dtor
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*/
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~CellTreeModel ();
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// Implementation of the QAbstractItemModel interface
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virtual Qt::ItemFlags flags (const QModelIndex &index) const;
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virtual int columnCount (const QModelIndex &) const;
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virtual QVariant data (const QModelIndex &index, int role) const;
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virtual QVariant headerData (int /*section*/, Qt::Orientation /*orientation*/, int /*role*/) const;
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virtual int rowCount (const QModelIndex &parent) const;
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virtual QModelIndex index (int row, int column, const QModelIndex &parent) const;
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virtual QModelIndex parent (const QModelIndex &index) const;
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virtual QStringList mimeTypes () const;
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virtual QMimeData *mimeData (const QModelIndexList &indexes) const;
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/**
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* @brief Gets the layout this model is connected to
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*/
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const db::Layout *layout () const
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{
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return mp_layout;
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}
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/**
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* @brief Return the QModelIndex of the topLeft item
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*/
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QModelIndex topLeft () const;
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/**
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* @brief Return the QModelIndex of the bottomRight item
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*/
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QModelIndex bottomRight () const;
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/**
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* @brief Return the number of top level items
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*/
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int toplevel_items () const;
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/**
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* @brief Return the top level item
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*/
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CellTreeItem *toplevel_item (int index);
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/**
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* @brief Transform a CellTreeItem * to a QModelIndex
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*/
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QModelIndex model_index (CellTreeItem *item) const;
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/**
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* @brief Returns true, if the given item is a PCell entry
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*/
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bool is_pcell (const QModelIndex &index) const;
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/**
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* @brief Returns the PCell id if the given item is PCell entry
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*/
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db::pcell_id_type pcell_id (const QModelIndex &index) const;
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/**
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* @brief Convert a QModelIndex to a cell_index
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*/
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db::cell_index_type cell_index (const QModelIndex &index) const;
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/**
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* @brief Convert a QModelIndex to a db::Cell pointer
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*
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* This method returns 0 if the model index is not valid.
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*/
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const db::Cell *cell (const QModelIndex &index) const;
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/**
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* @brief Convert a QModelIndex to a cell name
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*
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* This method returns 0 if the model index is not valid.
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*/
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const char *cell_name (const QModelIndex &index) const;
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/**
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* @brief Locate an index by name (at least closest)
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*
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* Only top-level items are searched. An invalid model index is returned if
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* no corresponding item could be found.
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*/
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QModelIndex locate (const char *name, bool glob_pattern = false);
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/**
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* @brief Locate the next index (after the first locate)
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*/
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QModelIndex locate_next ();
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/**
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* @brief Clears the locate flags
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*/
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void clear_locate ();
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/**
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* @brief Set the sorting
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*/
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void set_sorting (Sorting s);
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/**
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* @brief Get the sorting
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*/
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Sorting sorting () const
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{
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return m_sorting;
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}
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/**
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* @brief Signal to the owner of the model that the data has changed
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*
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* Basically, this signal should be emitted by the model, if it knew that
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* something changed. However, in our current architecture, it does not. So we
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* need to tell the model that something has changed.
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*/
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void signal_data_changed ()
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{
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emit dataChanged (topLeft (), bottomRight ());
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}
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/**
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* @brief Signal to the owner of the model that the data has changed (with an int parameter)
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*/
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void signal_data_changed_with_int (int)
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{
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signal_data_changed ();
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}
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private:
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bool m_flat, m_pad;
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unsigned int m_flags;
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Sorting m_sorting;
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QWidget *mp_parent;
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lay::LayoutView *mp_view;
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const db::Layout *mp_layout;
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int m_cv_index;
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const db::Cell *mp_base;
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std::vector <CellTreeItem *> m_toplevel;
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std::set <QModelIndex> m_selected_indexes;
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std::set <QModelIndex>::const_iterator m_current_index;
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void build_top_level ();
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void clear_top_level ();
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};
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/**
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* @brief The cell tree item object
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*
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* This object is used to represent a cell in the tree model.
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*/
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class CellTreeItem
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{
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public:
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CellTreeItem (const db::Layout *layout, CellTreeItem *parent, bool is_pcell, size_t cell_index, bool flat, CellTreeModel::Sorting sorting);
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~CellTreeItem ();
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int children () const;
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CellTreeItem *child (int index);
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db::cell_index_type cell_index () const;
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CellTreeItem *parent () const;
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bool by_name_less_than (const CellTreeItem *b) const;
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bool by_area_less_than (const CellTreeItem *b) const;
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bool by_area_equal_than (const CellTreeItem *b) const;
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bool name_less_than (const char *name) const;
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bool name_equals (const char *name) const;
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bool name_matches (const tl::GlobPattern &p) const;
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std::string display_text () const;
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bool is_pcell () const
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{
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return m_is_pcell;
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}
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size_t index () const
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{
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return m_index;
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}
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void set_index (size_t index)
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{
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m_index = index;
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}
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private:
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const db::Layout *mp_layout;
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CellTreeItem *mp_parent;
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CellTreeModel::Sorting m_sorting;
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bool m_is_pcell;
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size_t m_index;
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std::vector<CellTreeItem *> m_children;
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int m_child_count;
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size_t m_cell_index;
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const char *name () const;
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};
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}
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#endif
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