Initial commit

Lts/Plugins/AdvancedSymbology/Helper/table_model_symbol_renderer_base.h

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+/**
+  * @RDE_HEADER@
+  * Helper class to provide symbol rendering in QAbstractItemModels
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Christian Ehrlicher, SLSE, 2017-11-01
+  */
+
+#pragma once
+
+#include <memory>
+#include <QColor>
+#include <QHash>
+#include <QIcon>
+#include <QSharedPointer>
+
+class QAbstractItemModel;
+class QModelIndex;
+class QVariant;
+
+namespace NGL
+{
+class INGLLogger;
+}
+
+namespace AdvancedSymbology
+{
+class SymbolResult;
+class ForeignDataInterface;
+enum class Role;
+
+
+
+class TableModelSymbolRendererBase
+{
+protected:
+  explicit TableModelSymbolRendererBase(int iconColumn);
+  virtual ~TableModelSymbolRendererBase() = default;
+
+  void init(const std::shared_ptr<AdvancedSymbology::ForeignDataInterface> &asb,
+            QObject *super);
+  void setDefaultRoleAndColor(const Role &role, const QColor &partyColor);
+  QColor defaultColor() const { return m_partyColor; }
+  Role defaultRole() const { return m_partyRole; }
+
+  QVariant decorationData(const QModelIndex &idx, int id) const;
+  QIcon decorationIcon(const QModelIndex &idx, int id) const;
+  bool tryRenderSymbol(const QString &symbol, int id);
+  bool tryRenderSymbol(const QString &symbol, int id, const QColor &color, Role role);
+  void removeRenderedSymbol(int id);
+
+private:
+  void symbolRendered(AdvancedSymbology::SymbolResult *sr);
+
+  virtual NGL::INGLLogger &logger() const = 0;
+  virtual QAbstractItemModel *model() = 0;
+  virtual QModelIndex indexForId(int id, int column) = 0;
+
+private:
+  std::shared_ptr<AdvancedSymbology::ForeignDataInterface> m_asb;
+  struct SymbolResultData
+  {
+    QSharedPointer<AdvancedSymbology::SymbolResult> result;
+    QVector<int> ids;
+  };
+  QHash<AdvancedSymbology::SymbolResult *, SymbolResultData> m_symbolResultMapping;
+  Role   m_partyRole;
+  QColor m_partyColor;
+  const int m_iconColumn;
+  // participantId
+  QHash<int, QIcon> m_symbols;
+  QObject *m_super; // class which derives us, needed for proper con
+};
+
+
+} // namespace AdvancedSymbology