StructLayer.h

//
// StructureLayer.h
//
// Copyright (c) 2001-2008 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef STRUCTLAYER_H
#define STRUCTLAYER_H

#include "vtdata/shapelib/shapefil.h"
#include "vtdata/Features.h"
#include "vtdata/StructArray.h"
#include "vtdata/Features.h"
#include "Layer.h"

class vtDLGFile;
class vtElevLayer;
class vtScaledView;


class vtStructureLayer : public vtLayer, public vtStructureArray
{
public:
    vtStructureLayer();

    // Implement vtLayer methods
    bool GetExtent(DRECT &rect);
    void DrawLayer(wxDC *pDC, vtScaledView *pView);
    bool TransformCoords(vtProjection &proj);
    bool OnSave(bool progress_callback(int) = NULL);
    bool OnLoad();
    void GetProjection(vtProjection &proj);
    void SetProjection(const vtProjection &proj);
    bool AppendDataFrom(vtLayer *pL);
    void Offset(const DPoint2 &p);
    void GetPropertyText(wxString &str);
    bool AskForSaveFilename();

    wxString GetLayerFilename() { return wxString(GetFilename(), wxConvUTF8); }
    void SetLayerFilename(const wxString &fname)
    {
        SetFilename((const char *) fname.mb_str(wxConvUTF8));
        vtLayer::SetLayerFilename(fname);
    }

    // UI event handlers
    void OnLeftDown(BuilderView *pView, UIContext &ui);
    void OnLeftUp(BuilderView *pView, UIContext &ui);
    void OnRightDown(BuilderView *pView, UIContext &ui);
    void OnMouseMove(BuilderView *pView, UIContext &ui);

    void OnLeftDownEditBuilding(BuilderView *pView, UIContext &ui);
    void OnLeftDownBldAddPoints(BuilderView *pView, UIContext &ui);
    void OnLeftDownBldDeletePoints(BuilderView *pView, UIContext &ui);
    void OnLeftDownEditLinear(BuilderView *pView, UIContext &ui);
    void OnLeftDownAddInstance(BuilderView *pView, UIContext &ui, vtTagArray *tags);
    void UpdateMove(UIContext &ui);
    void UpdateRotate(UIContext &ui);
    void UpdateResizeScale(BuilderView *pView, UIContext &ui);

    void DrawBuildingHighlight(wxDC *pDC, vtScaledView *pView);
    bool AddElementsFromSHP(const wxString &filename, const vtProjection &proj, DRECT rect);
    void AddElementsFromDLG(vtDLGFile *pDlg);

    bool EditBuildingProperties();
    void AddFoundations(vtElevLayer *pEL);

    void DrawBuilding(wxDC *pDC, vtScaledView *pView, vtBuilding *bld);
    void DrawLinear(wxDC *pDC, vtScaledView *pView, vtFence *fen);

    // inverts selection values on all structures.
    void InvertSelection();
    void DeselectAll();
    int DoBoxSelect(const DRECT &rect, SelectionType st);

    // override to catch edit hightlighting
    virtual void SetEditedEdge(vtBuilding *bld, int lev, int edge);

    void ResolveInstancesOfItems();
    void CleanFootprints(double epsilon, int &degenerate, int &overlapping);

protected:
    void DrawStructures(wxDC *pDC, vtScaledView *pView, bool bOnlySelected);

    int     m_size; // size in pixels of the small crosshair at building center
    bool    m_bPreferGZip;  // user wants their elevation treated as a .gz file};
    vtScaledView *m_pLastView;
};

#endif  // STRUCTLAYER_H