private void CopyRenderer(MyLayer from, MyLayer to)
{
int count;
switch (from.rendertype)
{
case RendererType.SimpleRenderer:
to.Renderer = new SimpleRenderer(to.DataType);
to.rendertype = RendererType.SimpleRenderer;
break;
case RendererType.UniqueValueRenderer:
count = from.Renderer.SymbolCount;
List <string> stringvalues = new List <string>();
for (int i = 0; i < count; i++)
{
stringvalues.Add(((UniqueValueRenderer)from.Renderer).FindValue(i));
}
to.Renderer = new UniqueValueRenderer(to.DataType, ((UniqueValueRenderer)from.Renderer).Field, stringvalues);
to.rendertype = RendererType.UniqueValueRenderer;
break;
case RendererType.ClassBreakRenderer:
to.Renderer = new ClassBreakRenderer(to.DataType, ((ClassBreakRenderer)from.Renderer).Field, ((ClassBreakRenderer)from.Renderer).Value);
to.rendertype = RendererType.ClassBreakRenderer;
break;
}
to.Renderer.CopyRenderer(from.Renderer);
}
private void HasTextInitial(MyLayer layer)
{
CB_fields.Enabled = true;
SQL.Enabled = true;
TextStyleMessage.Enabled = true;
if (layer.Textrender != null)
{
CB_LabelFields.SelectedItem = layer.Textrender.Field;
if (layer.Textrender.HasSQL == true)
{
HasSQL.Checked = true;
TB_SQL.Text = layer.Textrender.SQL;
newfont = layer.Textrender.TextSymol.TextStyle.TextFont;
newcolor = layer.Textrender.TextSymol.TextStyle.TextColor;
}
else
{
HasSQL.Checked = false;
}
}
else
{
CB_LabelFields.SelectedItem = CB_LabelFields.Items[0];
}
CB_FontStyle.SelectedItem = "宋体";
CB_FontSize.SelectedItem = 12;
btn_SelectColor.BackColor = Color.Black;
}
/// <summary>
/// //唯一构造函数，必须传进来一个属性对象
/// </summary>
internal PropertyTableForm(MyLayer layer, int layerIndex)
{
InitializeComponent();
selectionIDs = layer.selectionIDs;
this.layerIndex = layerIndex;
this.layer = layer;
property = layer.GetFeaturePorperties();
}
//显示字段列表
private void ShowFields(MyLayer layer)
{
CB_fields.Items.Clear(); //清除刷新
CB_fields.BeginUpdate(); //让控件一次刷新而不逐条刷新
//添加字段
int sFieldCount = layer.SpaceData.Property.FieldNum;
foreach (string s in layer.SpaceData.Property.Fields.Keys)
{
CB_fields.Items.Add(s);
}
CB_fields.EndUpdate();
CB_fields.Refresh();
}
//显示字段列表
private void InitializeLabel(MyLayer layer)
{
CB_LabelFields.Items.Clear();
//添加字段
int sFieldCount = layer.SpaceData.Property.FieldNum;
foreach (string s in layer.SpaceData.Property.Fields.Keys)
{
CB_LabelFields.Items.Add(s);
}
for (int i = 10; i < 64; i++)
{
CB_FontSize.Items.Add(i);
}
InstalledFontCollection MyFont = new InstalledFontCollection();
FontFamily[] MyFontFamilies = MyFont.Families;
int Count = MyFontFamilies.Length;
for (int i = 0; i < Count; i++)
{
CB_FontStyle.Items.Add(MyFontFamilies[i].Name);
}
if (layer.HasText == true)
{
HasLabel.Checked = true;
//HasTextInitial(layer);
}
else
{
HasLabel.Checked = false;
}
newfont = new Font("宋体", 12);
newcolor = Color.Black;
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="layer">图层</param>
internal LayerPropertiesForm(MyLayer layer)
{
inputlayer = layer;
InitializeComponent();
textBoxLayerName.Text = layer.LayerName;
textBoxDescription.Text = layer.Description;
MyRectangle bound = layer.SpaceData.Bound;
textBoxTop.Text = bound.MaxY.ToString();
textBoxBottom.Text = bound.MinY.ToString();
textBoxRight.Text = bound.MaxX.ToString();
textBoxLeft.Text = bound.MinX.ToString();
if (layer.DataType != MySpaceDataType.MyGrid)
{
listBoxDataSource.Items[0] = "Data Type: Feature Class";
}
else
{
listBoxDataSource.Items[0] = "Data Type: Raster Data";
}
listBoxDataSource.Items[1] = "File Path: " + layer.FilePath;
listBoxDataSource.Items[2] = "Geometry Type: " + layer.DataType;
listBoxDataSource.Items[3] = "Geographic Coordinate System: " + "WGS_1984";
if (layer.DataType != MySpaceDataType.MyGrid)
{
slayer = new MyLayer(layer.FilePath);
InitializeLabel(layer);
CopyRenderer(layer, slayer);
ShowSymbols(slayer);
}
else
{
tabControl1.TabPages.Remove(tabPageLabels);
tabControl1.TabPages.Remove(tabPageSymbology);
}
}
/// <summary>
/// 打开属性表
/// </summary>
private void OpTBToolStripMenuItem_Click(object sender, EventArgs e)
{
if (PanelShow.Controls.Count > 1)
{
RecoverPanelShow(PanelShow.Controls[PanelShow.Controls.Count - 1].Width);
}
treeViewLayers.SelectedNode.ContextMenuStrip = null;
int layerIndex = treeViewLayers.SelectedNode.Index;
MyLayer layer = myMap.Layers[layerIndex];
if (layer.DataType != MySpaceDataType.MyGrid)
{
propertyPanel = new PropertyTableForm(layer, layerIndex);
propertyPanel.TopLevel = false;
PanelShow.Controls.Add(propertyPanel);
propertyPanel.Height = PanelShow.Height;
propertyPanel.Location = new Point(PanelShow.Width - propertyPanel.Width, 0);
propertyPanel.ClosingFormCompleted += new PropertyTableForm.ClosingFormDelegate(RecoverPanelShow);
propertyPanel.SelectFeatureChanged += new PropertyTableForm.SelectFeatureChangedDelegate(changeSelectionFeatures);
picBoxMap.Width = PanelShow.Width - propertyPanel.Width;
propertyPanel.Show();
UpdateMapImg();
}
}
//显示符号
private void ShowSymbols(MyLayer layer)
{
switch (layer.rendertype)
{
case MyRenderer.RendererType.SimpleRenderer:
//放置位图
radioButton1.Checked = true;
MyRenderer.SimpleRenderer mySrenderer = (MyRenderer.SimpleRenderer)layer.Renderer;
Bitmap sBitmap = mySrenderer.SymbolStyle.GetBitmap();
dataGridView1.Rows.Clear();
dataGridView1[0, 0].Value = sBitmap;
dataGridView1[1, 0].Value = layer.LayerName;
break;
case MyRenderer.RendererType.UniqueValueRenderer:
radioButton2.Checked = true;
MyRenderer.UniqueValueRenderer myUrenderer = (MyRenderer.UniqueValueRenderer)layer.Renderer;
int uValueCount = myUrenderer.SymbolCount;
dataGridView1.Rows.Clear();
dataGridView1.RowCount = uValueCount;
for (short i = 0; i < uValueCount; i++)
{
//放置位图
Bitmap uBitmap = myUrenderer.FindSymbolByIndex(i).GetBitmap();
dataGridView1[0, i].Value = uBitmap;
//显示值
dataGridView1[1, i].Value = myUrenderer.FindValue(i);
}
break;
case MyRenderer.RendererType.ClassBreakRenderer:
radioButton3.Checked = true;
MyRenderer.ClassBreakRenderer myCrenderer = (MyRenderer.ClassBreakRenderer)layer.Renderer;
int cValueCount = myCrenderer.SymbolCount;
dataGridView1.Rows.Clear();
dataGridView1.RowCount = cValueCount + 1;
//dataGridView1[0, 0].Value =myCrenderer.ShowLinearGradient() ;
CB_color.Image = myCrenderer.ShowLinearGradient();
for (short i = 0; i < cValueCount; i++)
{
//放置位图
Bitmap cBitmap = myCrenderer.FindSymbolByIndex(i).GetBitmap();
dataGridView1[0, i].Value = cBitmap;
//显示值
if (i == 0)
{
dataGridView1[1, i].Value = myCrenderer.MinValue.ToString() + " - " + myCrenderer.Breaks[i].ToString();
}
else if (i != cValueCount - 1)
{
dataGridView1[1, i].Value = myCrenderer.Breaks[i - 1].ToString() + " - " + myCrenderer.Breaks[i].ToString();
}
else
{
dataGridView1[1, i].Value = myCrenderer.Breaks[i - 1].ToString() + " - " + myCrenderer.MaxValue.ToString();
}
}
break;
}
if (CB_fields.Items.Count == 0)
{
ShowFields(slayer);
}
CB_fields.SelectedItem = slayer.Renderer.Field;
}
public void Open()
{
FileStream fs = new FileStream(_filepath, FileMode.Open);
StreamReader sr = new StreamReader(fs);
string line = sr.ReadLine();
string[] words = line.Split(' ');
_Geocoordinate = Map.MyCoordinates.WGS1984; //由于不存在null选项
_Procoordinate = Map.MyCoordinates.WGS1984; //由于不存在null选项
//记录地理坐标系
switch (words[1])
{
case "WGS1984":
_Geocoordinate = Map.MyCoordinates.WGS1984;
break;
}
//记录投影坐标系
switch (words[2])
{
case "WGS1984":
_Geocoordinate = Map.MyCoordinates.WGS1984;
break;
}
//生成地图
_map = new Map.MyMap(words[0], _Geocoordinate, Convert.ToDouble(words[3]));
_ratio = Convert.ToDouble(words[3]);
_scaleindex = Convert.ToInt32(words[4]);
//显示中心点位
_centerpos = new PointF((float)Convert.ToDouble(words[5]), (float)Convert.ToDouble(words[6]));
//图层数量
int layercount = Convert.ToInt32(words[7]);
for (int i = 0; i < layercount; i++)
{
string layerpath = sr.ReadLine();
Map.MyLayer newlayer = null;
if (Path.GetExtension(layerpath) == ".shp")
{
//TODO先只可读SHP
Shapefile newshp = new Shapefile(layerpath);
newlayer = new MyLayer(newshp);
}
else
{
CosmosGisVector newcgv = new CosmosGisVector(layerpath);
newlayer = new MyLayer(newcgv);
}
newlayer.FilePath = layerpath;
//设置是否可见
string visible = sr.ReadLine();
if (visible == "True")
{
newlayer.Visible = true;
}
else
{
newlayer.Visible = false;
}
//获取渲染方式
string layerline = sr.ReadLine();
RendererType newrendertyppe = new GetType().RendererType(layerline.Split(' ')[0]);
newlayer.rendertype = newrendertyppe;
switch (newrendertyppe)
{
//唯一值渲染
case RendererType.UniqueValueRenderer:
string field_uvr = layerline.Split(' ')[1];
//TODO 获得属性唯一值
DataTable dt_uvr = newlayer.SpaceData.Property.SqlQuery("Select Distinct " + field_uvr + " From " + newlayer.LayerName);
List <string> values_uvr = new List <string>();
for (int j = 0; j < dt_uvr.Rows.Count; j++)
{
values_uvr.Add(dt_uvr.Rows[j][field_uvr].ToString());
}
//List<string> values = new List<string>() { "1", "2", "3", "3" ,"3","3","7"};
newlayer.Renderer = new UniqueValueRenderer(newlayer.DataType, field_uvr, values_uvr);
break;
//分级渲染
case RendererType.ClassBreakRenderer:
string field_cbr = layerline.Split(' ')[1];
DataTable dt_cbr = newlayer.SpaceData.Property.SqlQuery("Select Distinct " + field_cbr + " From " + newlayer.LayerName);
List <double> values_cbr = new List <double>();
for (int j = 0; j < dt_cbr.Rows.Count; j++)
{
values_cbr.Add(Convert.ToDouble(dt_cbr.Rows[j][field_cbr]));
}
//List<double> breaks = new List<double>() { 1, 2, 3 };
newlayer.Renderer = new ClassBreakRenderer(newlayer.DataType, field_cbr, values_cbr);
break;
//简单渲染
default:
newlayer.Renderer = new SimpleRenderer(newlayer.DataType);
break;
}
//判断是否有注记信息
string hastext = sr.ReadLine();
if (hastext == "True")
{
newlayer.HasText = true;
newlayer.Textrender = new TextRenderer(sr.ReadLine());
}
else
{
newlayer.HasText = false;
}
_map.AddLayer(newlayer);
}
sr.Close();
fs.Close();
}
