a lot of work on th map-creator

mapview/elements/HasMoveableNodes.h

@@ -0,0 +1,64 @@
+#ifndef MV2D_IHASMOVEABLENODES_H
+#define MV2D_IHASMOVEABLENODES_H
+
+#include <Indoor/geo/Point2.h>
+#include "../MapView2D.h"
+
+/** the selectable/moveable node */
+struct MoveableNode {
+
+	/** user-defined index */
+	int userIdx;
+
+	/** the node's position */
+	Point2 pos;
+
+
+	/** ctor */
+	MoveableNode(const int userIdx, const Point2 pos) : userIdx(userIdx), pos(pos) {;}
+
+};
+
+/**
+ * base for all 2D elements that have selectable and moveable nodes
+ * the ToolSelector is able to get, select, and move those nodes
+ */
+class HasMoveableNodes {
+
+protected:
+
+	/** currently selected node */
+	int selectedUserIdx = -1;
+
+public:
+
+
+	/** get a list of all nodes that are selectable / moveable */
+	virtual std::vector<MoveableNode> getMoveableNodes() const = 0;
+
+	/** the given node was moved */
+	virtual void onNodeMove(MapView2D* v, const int userIdx, const Point2 newPos) = 0;
+
+
+	/** the given node was selected */
+	virtual void onNodeSelect(MapView2D* v, const int userIdx) {
+		(void) v;
+		this->selectedUserIdx = userIdx;
+	}
+
+	/** unselect any selected node */
+	virtual void onNodeUnselect(MapView2D* v) {
+		(void) v;
+		this->selectedUserIdx = -1;
+	}
+
+	/** get the currently selected node */
+	virtual int getSelectedNode() const {
+		return selectedUserIdx;
+	}
+
+
+
+};
+
+#endif // MV2D_IHASMOVEABLENODES_H