private void MapMouseDown(int Button, int Shift, int x, int y, ref bool Handled)
{
try
{
if (m_globals.CurrentMode == GlobalFunctions.Modes.RemoveVertex)
{
if (m_globals.CurrentLayer == null)
{
return;
}
MapWinGIS.Shapefile shpFile = m_globals.CurrentLayer;
//get the projection coordinates
double projX = 0, projY = 0;
m_MapWin.View.PixelToProj((double)x, (double)y, ref projX, ref projY);
//get all the vertex points that are within tolerance
System.Collections.ArrayList snapPoints = new System.Collections.ArrayList();
if (m_snapClass.CanSnap(m_globals.CurrentTolerance, projX, projY, ref snapPoints))
{
RemoveSelectedVertex(snapPoints, shpFile);
}
//reload the snap class
m_snapClass = new SnapClass(m_MapWin);
Handled = true;
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}
public void LayerSelectedEvent(int Handle)
{
if (m_globals.CurrentLayer != null)
{
MapWindow.Interfaces.eLayerType t = m_globals.MapWin.Layers[m_globals.MapWin.Layers.CurrentLayer].LayerType;
if ((m_snapper == null) && ((t == lt.LineShapefile) || (t == lt.PointShapefile) || (t == lt.PolygonShapefile)))
{
m_snapper = new SnapClass(m_globals.MapWin);
}
}
else
{
m_snapper = null;
}
}
public RemoveVertexClass(GlobalFunctions g)
{
m_globals = g;
ItemClickedDelegate = new MapWindow.Events.ItemClickedEvent(ItemClickedEvent);
g.Events.AddHandler(ItemClickedDelegate);
TerminateDelegate = new MapWindow.Events.TerminateEvent(TerminateEvent);
g.Events.AddHandler(TerminateDelegate);
m_cursor = new System.Windows.Forms.Cursor(this.GetType(), "RemovePoint.cur");
MapWinGIS.Shapefile sf = g.CurrentLayer;
if (sf != null)
{
m_snapper = new SnapClass(sf);
}
else
{
m_snapper = null;
}
}
public void MapMouseUp(int Button, int Shift, int x, int y, ref bool Handled)
{
try
{
if (m_globals.CurrentMode == GlobalFunctions.Modes.MoveShape)
{
if (m_MapDraging == true)
{
double projX = 0, projY = 0;
m_MapWin.View.PixelToProj((double)x, (double)y, ref projX, ref projY);
//get the working shapefile
if (m_globals.CurrentLayer == null)
{
return;
}
MapWinGIS.Shapefile shpFile = m_globals.CurrentLayer;
//start editing the vertex postion
shpFile.StartEditingShapes(true, null);
//stop editing and save changes
shpFile.StopEditingShapes(true, true, null);
//set the cursor to move cur
m_MapWin.View.UserCursorHandle = (int)m_cursor.Handle;
// update snap class
m_snapClass = new SnapClass(m_MapWin);
}
ClearDrawings();
m_MapDraging = false;
Handled = true;
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}
/// <summary>
/// Constructor.
/// The AddShapeForm is used when creating a new shape.
/// The user can either click on the map to generate new points, lines or polygons, or input coordinates in the text boxes provided on the form.
/// </summary>
public AddShapeForm(GlobalFunctions g, ref SnapClass snapper)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
m_globals = g;
m_cursor = new System.Windows.Forms.Cursor(this.GetType(), "InsertPoint.cur");
view = g.MapWin.View;
m_oldCursorMode = view.CursorMode;
m_oldCursor = view.MapCursor;
m_oldCursorHandle = view.UserCursorHandle;
view.CursorMode = MapWinGIS.tkCursorMode.cmNone;
view.MapCursor = MapWinGIS.tkCursor.crsrWait;
m_SFType = g.MapWin.Layers[g.MapWin.Layers.CurrentLayer].LayerType;
m_Shape = new ShapeClass();
// Sign me up for these events!
m_MapMouseMoveDelegate = new MapWindow.Events.MapMouseMoveEvent(MouseMoveEvent);
g.Events.AddHandler(m_MapMouseMoveDelegate);
m_MapMouseUpDelegate = new MapWindow.Events.MapMouseUpEvent(MouseUpEvent);
g.Events.AddHandler(m_MapMouseUpDelegate);
m_LayerSelectedDelegate = new MapWindow.Events.LayerSelectedEvent(LayerSelectedEvent);
g.Events.AddHandler(m_LayerSelectedDelegate);
MapWindow.Interfaces.eLayerType t = g.MapWin.Layers[g.MapWin.Layers.CurrentLayer].LayerType;
m_sf = g.CurrentLayer;
if ((m_snapper == null) && ((t == lt.LineShapefile) || (t == lt.PointShapefile) || (t == lt.PolygonShapefile)))
{
m_snapper = new SnapClass(m_globals.MapWin);
}
view.MapCursor = MapWinGIS.tkCursor.crsrUserDefined;
view.UserCursorHandle = m_cursor.Handle.ToInt32();
m_PointSize = 6;
}
private void ResetForNew()
{
m_snapper = new SnapClass(m_globals.MapWin);
m_Shape = new ShapefileEditor.ShapeClass();
m_globals.UpdateButtons();
m_globals.DoEnables();
m_globals.UpdateView();
if (m_cursor == null)
{
m_cursor = new System.Windows.Forms.Cursor(this.GetType(), "InsertPoint.cur");
}
m_oldCursorMode = view.CursorMode;
m_oldCursor = view.MapCursor;
m_oldCursorHandle = view.UserCursorHandle;
view.CursorMode = MapWinGIS.tkCursorMode.cmNone;
view.MapCursor = MapWinGIS.tkCursor.crsrUserDefined;
view.UserCursorHandle = m_cursor.Handle.ToInt32();
}
private void ItemClicked(string ItemName, ref bool Handled)
{
try
{
m_MapWin = m_globals.MapWin;
if (ItemName == GlobalFunctions.c_MoveShapesButton)
{
if (m_globals.CurrentMode != GlobalFunctions.Modes.MoveShape)
{
m_globals.CurrentMode = GlobalFunctions.Modes.MoveShape;
//update the buttons on the toolbar
m_globals.UpdateButtons();
//save the previous cusor mode
m_globals.SaveCusorMode();
//set cursor mode
m_MapWin.View.CursorMode = MapWinGIS.tkCursorMode.cmNone;
m_MapWin.View.MapCursor = MapWinGIS.tkCursor.crsrUserDefined;
m_MapWin.View.UserCursorHandle = (int)m_cursor.Handle;
//get current shapefile layer
if (m_globals.CurrentLayer == null)
{
return;
}
MapWinGIS.Shapefile shpFile = m_globals.CurrentLayer;
m_prevShape = -1;
//create as new snap class
if (m_globals.CurrentLayer == null)
{
return;
}
m_snapClass = new SnapClass(m_MapWin);
}
else
{
m_MapWin.View.Draw.ClearDrawing(m_hDraw);
m_globals.CurrentMode = GlobalFunctions.Modes.None;
//set back the old cursor settings
m_globals.RestoreCursorMode();
//update the buttons on the toolbar
m_globals.UpdateButtons();
}
Handled = true;
}
else
{
if (m_MapWin.Toolbar.ButtonItem(GlobalFunctions.c_MoveShapesButton).Pressed)
{
m_MapWin.View.Draw.ClearDrawing(m_hDraw);
m_globals.CurrentMode = GlobalFunctions.Modes.None;
//get current shapefile layer
m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].HideVertices();
//update the buttons on the toolbar
m_globals.UpdateButtons();
}
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}
private void ItemClickedEvent(string ItemName, ref bool Handled)
{
try
{
m_MapWin = m_globals.MapWin;
m_MapWin.View.Draw.ClearDrawing(m_hDraw);
//if (m_MapWin.Layers.CurrentLayer != -1) - This produces a crash with a new project loading!
if (m_MapWin.Layers.NumLayers > 0)
{
if (!m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].VerticesVisible)
{
m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].HideVertices();
}
}
if (m_snapper != null)
{
m_snapper.ClearSnapData();
m_snapper = null;
}
if (ItemName == GlobalFunctions.c_AddShapeButton)
{
if (m_globals.SelectedShapefileIsReadonly())
{
MapWinUtility.Logger.Msg("The selected shapefile is read-only and cannot be edited.", "Read-Only Shapefile");
return;
}
// Add a new shape now
if (m_globals.CurrentMode == GlobalFunctions.Modes.AddShape)
{
m_globals.CurrentMode = GlobalFunctions.Modes.None;
m_globals.UpdateButtons();
if (m_AddShapeForm != null)
{
m_AddShapeForm.Close();
}
}
else
{
m_globals.CurrentMode = GlobalFunctions.Modes.AddShape;
m_globals.UpdateButtons();
AddNewShape();
}
Handled = true;
}
else
{
if (m_MapWin.Toolbar.ButtonItem(GlobalFunctions.c_AddShapeButton).Pressed)
{
if (m_snapper != null)
{
m_snapper.ClearSnapData();
m_snapper = null;
}
m_MapWin.View.Draw.ClearDrawing(m_hDraw);
m_globals.CurrentMode = GlobalFunctions.Modes.None;
//get current shapefile layer
if (m_MapWin.Layers.NumLayers > 0)
{
if (!m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].VerticesVisible)
{
m_MapWin.Layers[m_MapWin.Layers.CurrentLayer].HideVertices();
}
}
//update the buttons on the toolbar
m_globals.UpdateButtons();
}
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}
private void ItemClicked(string ItemName, ref bool Handled)
{
try
{
m_MapWin = m_globals.MapWin;
if (ItemName == GlobalFunctions.c_RemoveVertexButton)
{
if (m_globals.SelectedShapefileIsReadonly())
{
MapWinUtility.Logger.Msg("The selected shapefile is read-only and cannot be edited.", "Read-Only Shapefile");
return;
}
if (m_globals.CurrentMode != GlobalFunctions.Modes.RemoveVertex)
{
m_globals.CurrentMode = GlobalFunctions.Modes.RemoveVertex;
//update the buttons on the toolbar
m_globals.UpdateButtons();
//save the previous cusor mode
m_globals.SaveCusorMode();
//set cursor mode
m_MapWin.View.CursorMode = MapWinGIS.tkCursorMode.cmNone;
m_MapWin.View.MapCursor = MapWinGIS.tkCursor.crsrUserDefined;
m_MapWin.View.UserCursorHandle = (int)m_cursor.Handle;
//create as new snap class
if (m_globals.CurrentLayer != null)
{
m_snapClass = new SnapClass(m_MapWin);
}
m_prevShape = -1;
}
else
{
m_MapWin.View.Draw.ClearDrawing(m_hDraw);
m_globals.CurrentMode = GlobalFunctions.Modes.None;
//set back the old cursor settings
m_globals.RestoreCursorMode();
//update the buttons on the toolbar
m_globals.UpdateButtons();
}
Handled = true;
}
else
{
if (m_MapWin.Toolbar.ButtonItem(GlobalFunctions.c_RemoveVertexButton).Pressed)
{
m_MapWin.View.Draw.ClearDrawing(m_hDraw);
m_globals.CurrentMode = GlobalFunctions.Modes.None;
//update the buttons on the toolbar
m_globals.UpdateButtons();
}
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}
public void MapMouseUp(int Button, int Shift, int x, int y, ref bool Handled)
{
try
{
if (m_globals.CurrentMode == GlobalFunctions.Modes.MoveVertex)
{
if (m_MapDraging == true)
{
double projX = 0, projY = 0;
m_MapWin.View.PixelToProj((double)x, (double)y, ref projX, ref projY);
//get the working shapefile
if (m_globals.CurrentLayer == null)
{
return;
}
MapWinGIS.Shapefile shpFile = m_globals.CurrentLayer;
//start editing the vertex postion
shpFile.StartEditingShapes(true, null);
//get all the vertex points that are within tolerance
System.Collections.ArrayList snapPoints = new System.Collections.ArrayList();
if (m_snapClass.CanSnap(m_globals.CurrentTolerance, projX, projY, ref snapPoints))
{
DrawAllSnapPoints(snapPoints);
}
ShapefileEditor.SnapData snapPoint;
MapWinGIS.Shape shp;
MapWinGIS.Point p;
//if allow snaping then change all vertex in the snaping tolerance
int count;
if (m_globals.AllowSnapingToVertices)
{
count = m_snapPoints.Count;
}
else
{
count = Math.Min(m_snapPoints.Count, 1);
}
for (int i = 0; i < count; i++)
{
snapPoint = (ShapefileEditor.SnapData)m_snapPoints[i];
shp = shpFile.get_Shape(snapPoint.shpIndex);
p = shp.get_Point(snapPoint.pointIndex);
//check to see if were going to snap to a point
if (snapPoints.Count > 0 && m_globals.AllowSnapingToVertices)
{
p.x = ((ShapefileEditor.SnapData)snapPoints[0]).point.x;
p.y = ((ShapefileEditor.SnapData)snapPoints[0]).point.y;
}
else
{
p.x = projX;
p.y = projY;
}
}
m_globals.CreateUndoPoint();
//stop editing and save changes
shpFile.StopEditingShapes(true, true, null);
//set the cursor to move cur
m_MapWin.View.UserCursorHandle = (int)m_cursor.Handle;
// update snap class
m_snapClass = new SnapClass(m_MapWin);
}
ClearDrawings();
m_MapDraging = false;
Handled = true;
}
}
catch (System.Exception ex)
{
m_MapWin.ShowErrorDialog(ex);
}
}