//打开文件的实现
private void OpenFile()
{
if (!_IsSaved)
{
DialogResult dr = MessageBox.Show(this, "当前文本已修改，需要保存吗？", "提示信息", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
if (dr == DialogResult.Yes)
{
SaveFile();
}
if (dr == DialogResult.No || dr == DialogResult.Cancel)
{
return;
}
}
if (Dialog_OpenFile.ShowDialog() == DialogResult.OK)
{
_FileName = Dialog_OpenFile.FileName;
this.Text = _FileName;//对话框显示所打开的文件名
_FileEncode = TextEncodingType.GetType(_FileName);
this.StatusBar_Type.Text = _FileEncode.EncodingName;
StreamReader sr = new StreamReader(_FileName, _FileEncode);
Main_Text.Text = sr.ReadToEnd();
sr.Close();
_IsSaved = true;
SetRank(false);
}
}
/// <summary>
/// Draws the clusters.
/// </summary>
//private void panelCanvas_Paint(object sender, PaintEventArgs e)
//{
// // constants defining drawing properties
// Pen penVertex = Pens.Blue; // vertex color
// Pen penDifference = Pens.Black;
// Pen penLine = Pens.Blue; // line color
// Brush brushFacility = Brushes.Red; // facility color
// const float vertexRadius = 2.0f; // vertex radius
// const float facilityRadius = 3.5f; // facility radius
// int colorIndex = -1;
// KnownColor[] values = (KnownColor[])Enum.GetValues(typeof(KnownColor));
// bool drawXYplane = true;
// bool drawSpheres = false;
// // prepare a canvas to draw
// System.Drawing.Graphics gr = e.Graphics;
// gr.Clear(Color.White);
// // get panel (canvas) dimensions
// int width = e.ClipRectangle.Width;
// int height = e.ClipRectangle.Height;
// // compute scaling
// float scaleX = (float)width / (float)bBox.Width;
// float scaleY = (float)height / (float)bBox.Height;
// //float scaleZ = (float)height / (float)bBox.Depth;
// float scale = Math.Min(scaleX, scaleY) * 0.9f;
// //float scale = scaleX < scaleY ? scaleX : scaleY;
// //float scale = scaleX < scaleZ ? scaleX : scaleZ;
// float minX = (float)bBox.MinX - (float)bBox.Width * 0.05f;
// float minY = (float)bBox.MinY - (float)bBox.Height * 0.05f;
// //float minZ = (float)bBox.MinZ;
// float minYZ = minY;
// // font for writing vertex numbers etc.
// Font font = new Font(FontFamily.GenericSansSerif, 10);
// // check we have something to draw
// if (vertices == null)
// return;
// if ( showClusterGroups )
// {
// Brush fill = Brushes.LawnGreen;
// Pen pen = Pens.Black;
// //foreach (List<Vertex> convex in convexHull)
// //{
// // PointF[] poly = new PointF[convex.Count];
// // for (int i = 0; i < convex.Count; ++i)
// // {
// // Vertex v = convex[i];
// // float vx = ((float)v.X - minX) * scale;
// // float vy = height - ((float)(drawXYplane ? v.Y : v.Z) - minYZ) * scale;
// // poly[i] = new PointF(vx, vy);
// // }
// // // gr.FillPolygon(fill, poly);
// // gr.DrawPolygon(pen, poly);
// //}
// foreach (Facility f in facilities)
// {
// float fx = ((float)f.Coords[0] - minX) * scale;
// float fy = height - ((float)(drawXYplane ? f.Coords[1] : f.Coords[2]) - minYZ) * scale;
// // draw lines to facility vertices
// foreach (int vertexIndex in f.VertexIndices)
// {
// // get the vertex position
// Vertex vertPos = vertices[vertexIndex];
// float vx = ((float)vertPos.X - minX) * scale;
// float vy = height - ((float)(drawXYplane ? vertPos.Y : vertPos.Z) - minYZ) * scale;
// //float dx = ((float)vertPos[2]) * SCALE_DIFFERENCE;
// // float dy = ((float)vertPos[3]) * SCALE_DIFFERENCE;
// // check radius
// //if (vertPos.WeightedDistToFac > radius)
// // radius = (float)vertPos.WeightedDistToFac;
// // draw line to the vertex
// gr.DrawLine(penLine, fx, fy, vx, vy);
// // draw the vertex
// gr.DrawEllipse(penVertex, vx - vertexRadius, vy - vertexRadius, 2 * vertexRadius, 2 * vertexRadius);
// // draw difference
// //gr.DrawLine(penDifference, vx - vertexRadius, vy - vertexRadius, vx - vertexRadius + dx, vy - vertexRadius + dy);
// // draw facility index
// //gr.DrawString(i.ToString(), font, Brushes.Black, vx, vy);
// // draw vertex index
// //gr.DrawString(vertexIndex.ToString(), font, Brushes.Black, vx, vy);
// }
// ++colorIndex;
// if (colorIndex >= brushes.Count)
// {
// colorIndex = 0;
// }
// gr.FillEllipse(brushes[colorIndex], fx - vertexRadius, fy - vertexRadius, 2 * vertexRadius, 2 * vertexRadius);
// }
// } else {
// // draw facilities with connected vertices
// for (int i = 0; i < vertices.Length; i++)
// {
// // draw bounding box information
// //string boxInfo = string.Format("{0:0.##}-{1:0.##}", facPos.bbox.MinX, facPos.bbox.MaxX);
// //gr.DrawString(boxInfo, font, Brushes.Black, fx, fy);
// Vertex vertex = vertices[i];
// if (showPoints)
// {
// // get the vertex position
// float vx = ((float)vertex.X - minX) * scale;
// float vy = height - ((float)(drawXYplane ? vertex.Y : vertex.Z) - minYZ) * scale;
// //float dx = ((float)vertex[2]) * SCALE_DIFFERENCE;
// //float dy = ((float)vertex[3]) * SCALE_DIFFERENCE;
// // draw the vertex
// gr.DrawEllipse(penVertex, vx - vertexRadius, vy - vertexRadius, 2 * vertexRadius, 2 * vertexRadius);
// // draw difference
// // gr.DrawLine(penDifference, vx - vertexRadius, vy - vertexRadius, vx - vertexRadius + dx, vy - vertexRadius + dy);
// }
// else if (vertex.IsFacility)
// {
// // get the facility position
// float fx = ((float)vertex.X - minX) * scale;
// float fy = height - ((float)(drawXYplane ? vertex.Y : vertex.Z) - minYZ) * scale;
// float radius = 0;
// // draw lines to facility vertices
// foreach (int vertexIndex in vertices[i].Facility.VertexIndices)
// {
// // get the vertex position
// Vertex vertPos = vertices[vertexIndex];
// float vx = ((float)vertPos.X - minX) * scale;
// float vy = height - ((float)(drawXYplane ? vertPos.Y : vertPos.Z) - minYZ) * scale;
// //float dx = ((float)vertPos[2]) * SCALE_DIFFERENCE;
// // float dy = ((float)vertPos[3]) * SCALE_DIFFERENCE;
// // check radius
// //if (vertPos.WeightedDistToFac > radius)
// // radius = (float)vertPos.WeightedDistToFac;
// // draw line to the vertex
// gr.DrawLine(penLine, fx, fy, vx, vy);
// // draw the vertex
// //gr.DrawEllipse(penVertex, vx - vertexRadius, vy - vertexRadius, 2 * vertexRadius, 2 * vertexRadius);
// // draw difference
// //gr.DrawLine(penDifference, vx - vertexRadius, vy - vertexRadius, vx - vertexRadius + dx, vy - vertexRadius + dy);
// // draw facility index
// //gr.DrawString(i.ToString(), font, Brushes.Black, vx, vy);
// // draw vertex index
// //gr.DrawString(vertexIndex.ToString(), font, Brushes.Black, vx, vy);
// }
// // draw the facility
// gr.FillEllipse(brushFacility, fx - facilityRadius, fy - facilityRadius,
// 2 * facilityRadius, 2 * facilityRadius);
// //gr.DrawString(facPos.facility.vertexIndex.ToString(), font, Brushes.Black, fx, fy);
// //gr.DrawString(radius.ToString(), font, Brushes.Magenta, fx, fy);
// if (drawSpheres)
// {
// // draw the bounding sphere
// radius *= scale;
// gr.DrawEllipse(Pens.Black, fx - radius, fy - radius, 2 * radius, 2 * radius);
// }
// }
// }
// }
// font.Dispose();
//}
private void Main_Load_Click(object sender, EventArgs e)
{
if (Dialog_OpenFile.ShowDialog() == DialogResult.OK)
{
ClusterEngine.LoadData(Dialog_OpenFile.FileName);
// bBox.AddVertices(vertices);
// enable UI components
showPoints = true;
Menu_Cluster.Enabled = true;
Menu_ClusterSolver.Enabled = true;
}
}