1 files changed, 130 insertions, 0 deletions
diff --git a/src/data/edge.h b/src/data/edge.h
new file mode 100644
index 0000000..ad71364
--- /dev/null
+++ b/src/data/edge.h
@@ -0,0 +1,130 @@
+/*
+    TikZiT - a GUI diagram editor for TikZ
+    Copyright (C) 2018 Aleks Kissinger
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef EDGE_H
+#define EDGE_H
+
+#include "graphelementdata.h"
+#include "node.h"
+#include "style.h"
+
+#include <QObject>
+#include <QPointF>
+
+class Edge : public QObject
+{
+    Q_OBJECT
+public:
+    explicit Edge(Node *s, Node *t, QObject *parent = 0);
+    ~Edge();
+    Edge *copy(QMap<Node *, Node *> *nodeTable = 0);
+
+    Node *source() const;
+    Node *target() const;
+
+    bool isSelfLoop();
+    bool isStraight();
+
+    GraphElementData *data() const;
+    void setData(GraphElementData *data);
+
+    QString sourceAnchor() const;
+    void setSourceAnchor(const QString &sourceAnchor);
+
+    QString targetAnchor() const;
+    void setTargetAnchor(const QString &targetAnchor);
+
+    Node *edgeNode() const;
+    void setEdgeNode(Node *edgeNode);
+    bool hasEdgeNode();
+
+    void updateControls();
+    void setAttributesFromData();
+    void updateData();
+
+    QPointF head() const;
+    QPointF tail() const;
+    QPointF cp1() const;
+    QPointF cp2() const;
+    QPointF mid() const;
+	QPointF headTangent() const;
+	QPointF tailTangent() const;
+
+    int bend() const;
+    int inAngle() const;
+    int outAngle() const;
+    float weight() const;
+    bool basicBendMode() const;
+    float cpDist() const;
+
+    void setBasicBendMode(bool mode);
+    void setBend(int bend);
+    void setInAngle(int inAngle);
+    void setOutAngle(int outAngle);
+    void setWeight(float weight);
+
+    int tikzLine() const;
+    void setTikzLine(int tikzLine);
+
+
+	void attachStyle();
+	QString styleName() const;
+	void setStyleName(const QString & styleName);
+    Style *style() const;
+
+signals:
+
+public slots:
+
+private:
+	QPointF bezierTangent(float start, float end) const;
+    QString _sourceAnchor;
+    QString _targetAnchor;
+
+    // owned
+    Node *_edgeNode;
+    GraphElementData *_data;
+
+    // referenced
+    Node *_source;
+    Node *_target;
+
+
+    Style *_style;
+
+    bool _dirty;
+    bool _basicBendMode;
+    int _bend;
+    int _inAngle;
+    int _outAngle;
+    float _weight;
+    float _cpDist;
+
+    QPointF _head;
+    QPointF _tail;
+    QPointF _cp1;
+    QPointF _cp2;
+    QPointF _mid;
+
+	QPointF _headTangent;
+	QPointF _tailTangent;
+
+    int _tikzLine;
+};
+
+#endif // EDGE_H