a whole lotta work!!

- refactoring
- completely changed the tooling (adding elements)
- better re-use for more stable editing
- new elements
- ui adjustments
- LINT for stair-editing
- many more changes

mapview/2D/MapViewElementHelper.h

@@ -0,0 +1,81 @@
+#ifndef MAPELEMENTHELPER_H
+#define MAPELEMENTHELPER_H
+
+#include <Indoor/geo/Point2.h>
+#include <Indoor/geo/Point3.h>
+#include <Indoor/geo/Line2.h>
+
+#include <QColor>
+#include <QPen>
+#include <QBrush>
+
+#include <Indoor/floorplan/v2/Floorplan.h>
+
+/** configuration */
+namespace CFG {
+	const float	MOVE_SNAP_SIZE_M = 0.1f;		// in meter (= map-space)
+	const int SEL_THRESHOLD_SIZE_PX = 15;		// in screen-pixels (-> should depend on the current zoom)
+	const QColor FOCUS_COLOR = Qt::black;
+	const QColor UNFOCUS_COLOR = Qt::gray;
+	const QColor SEL_COLOR = Qt::blue;
+}
+
+/**
+ * contains some common helper-methods
+ */
+class MapElementHelper {
+
+public:
+
+	/**
+	 * get the minimal distance of dst to the line denoted by (p1, p2).
+	 * this will generate line l perpendicular to (p1, p2)
+	 * move l into dst
+	 * and calculate the cut-point between l and (p1, p2)
+	 */
+	static float getLineDistanceXY(Point2 p1, Point2 p2, Point2 dst) {
+
+		// the line (p1, p2)
+		const Line2 line(p1, p2);
+
+		// 90 degree rotation L of the line (p1, p2)
+		const Point2 vec = (p1 - p2).perpendicular();
+
+		// the line L
+		const Line2 perb(dst-vec*100, dst+vec*100);
+
+		// calculate the cut betwen L and (p1,p2) (if any)
+		Point2 cut(0,0);
+		if (line.getSegmentIntersection(perb, cut)) {
+
+			// distance between cut-point and mouse
+			return cut.getDistance(dst);
+
+		} else {
+
+			// no cut detected
+			const float d1 = p1.getDistance(dst);
+			const float d2 = p2.getDistance(dst);
+			return std::min(d1, d2);
+
+		}
+
+	}
+
+	static QPen getPen(Floorplan::Material mat, Floorplan::ObstacleType type, bool focus) {
+		using namespace Floorplan;
+		QPen pen; pen.setColor(Qt::darkGray);
+		if (focus) {pen.setColor(Qt::black);}
+		if (mat == Material::CONCRETE) {pen.setWidth(3);}
+		if (mat == Material::GLASS) {pen.setStyle(Qt::PenStyle::DotLine);}
+		if (type == ObstacleType::HANDRAIL) {pen.setStyle(Qt::PenStyle::DashLine);}
+		if (type == ObstacleType::UNKNOWN) {pen.setColor(Qt::red); pen.setWidth(5);}
+		if (type == ObstacleType::PILLAR) {pen.setColor(Qt::red); pen.setWidth(5);}
+
+		return pen;
+	}
+
+
+};
+
+#endif // MAPELEMENTHELPER_H