private void btnRemoveFeatures_Click(object sender, EventArgs e)
{
if (_layerName == null)
{
return;
}
if (listView1.SelectedIndices.Count == 0)
{
return;
}
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), _layerName, null);
if (lyr == null)
{
return;
}
for (int i = listView1.SelectedItems.Count - 1; i >= 0; i--)
{
lyr.RemoveFeature(listView1.SelectedItems[i].Tag as Feature);
if (RemoveFeature != null)
{
RemoveFeature(listView1.SelectedItems[i].Tag as Feature);
}
listView1.Items.Remove(listView1.SelectedItems[i]);
}
_activeViewer.Canvas.Refresh(enumRefreshType.VectorLayer);
}
/// <summary>
/// Show the dialog to set up labels.
/// </summary>
/// <param name="e"></param>
public void LabelSetup(ILabelLayer e)
{
using (var dlg = new LabelSetup {Layer = e})
{
ShowDialog(dlg);
}
}
private void SaveToShp()
{
try
{
string layerName = "System:StatArea";
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), layerName, _fieldNames);
if (lyr == null || lyr.GetAllFeature().Length == 0)
{
MsgBox.ShowInfo("没有绘制AOI！");
return;
}
Feature[] features = lyr.GetAllFeature();
using (SaveFileDialog dialog = new SaveFileDialog())
{
dialog.Filter = SupportedFileFilters.VectorFilterString;
if (dialog.ShowDialog() == DialogResult.OK)
{
string fileName = dialog.FileName;
TryExportPolygon(features, fileName);
StringBuilder str = new StringBuilder();
str.AppendLine("矢量导出成功：");
str.AppendLine(fileName);
MsgBox.ShowInfo(str.ToString());
}
}
}
catch (Exception ex)
{
MsgBox.ShowInfo(ex.Message);
}
finally
{
}
}
private void btnRemoveFeatures_Click(object sender, EventArgs e)
{
if (_layerName == null)
{
return;
}
if (listView1.SelectedIndices.Count == 0)
{
return;
}
ILabelLayer lyr = FindLabelLayer(_layerName);
if (lyr != null)
{
for (int i = listView1.SelectedItems.Count - 1; i >= 0; i--)
{
lyr.RemoveFeature(listView1.SelectedItems[i].Tag as Feature);
if (RemoveFeature != null)
{
RemoveFeature(listView1.SelectedItems[i].Tag as Feature);
}
RemoveFeatureToDic(listView1.SelectedItems[i].Tag as Feature);
listView1.Items.Remove(listView1.SelectedItems[i]);
}
}
}
private void ClearListViewItems()
{
if (listView1.Items.Count != 0)
{
for (int i = listView1.Items.Count - 1; i >= 0; i--)
{
if (RemoveFeature != null)
{
RemoveFeature(listView1.Items[i].Tag as Feature);
}
}
listView1.Items.Clear();
}
ILabelLayer lyr = FindLabelLayer(_layerName);
if (lyr != null)
{
lyr.Dispose();
}
ICanvasViewer viewer = _session.SmartWindowManager.ActiveCanvasViewer;
if (viewer != null)
{
ILabelService srv = (viewer as ICurrentRasterInteractiver).LabelService;
srv.Reset();
}
_iceLineFeatureOid = 0;
}
/// <summary>
/// Show the dialog to set up labels.
/// </summary>
/// <param name="e"></param>
public void LabelSetup(ILabelLayer e)
{
using (var dlg = new LabelSetup {
Layer = e
})
{
ShowDialog(dlg);
}
}
public ILabelLayer GetLabelLayer(string name, string[] fieldNames)
{
if (_layers.ContainsKey(name))
{
return(_layers[name]);
}
ILabelLayer lyr = CreateLabelLayer(name, fieldNames);
if (lyr != null)
{
_layers.Add(name, lyr);
return(_layers[name]);
}
return(null);
}
public void UpdateLayer(Feature fet)
{
if (fet != null)
{
ILabelLayer lyr = GetLabelLayer(_layerName, new string[] { _fieldName });
if (lyr != null)
{
ApplyColor(lyr);
lyr.LabelDef.Fieldname = _fieldName;
lyr.LabelDef.EnableLabeling = true;
lyr.AddFeature(fet);
AddFeatureToListView(fet);
}
}
}
private void ApplyColor(ILabelLayer lyr)
{
ISymbol symbol = lyr.Symbol;
if (symbol == null)
{
return;
}
IFillSymbol fillSymbol = symbol as IFillSymbol;
if (fillSymbol == null)
{
return;
}
fillSymbol.OutlineSymbol.Color = btnColor.BackColor;
}
public void UpdateLayer(ref Feature fet)
{
if (fet != null)
{
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), _layerName, fet.FieldNames);
if (lyr != null)
{
ApplyColor(lyr);
lyr.LabelDef.Fieldname = fet.FieldNames[0];
lyr.LabelDef.EnableLabeling = true;
lyr.AddFeature(fet);
Feature[] features = lyr.GetAllFeature();
fet = features[features.Length - 1];
AddFeatureToListView(fet);
}
}
}
public override void Run()
{
ILegendItem selectedItem = (GIS.FrameWork.Application.App.Legend as GIS.Common.Dialogs.Legend).SelectedLegendMenuItem;
if (selectedItem != null)
{
LabelSetupCommand labelSetup = new LabelSetupCommand();
ILabelLayer _labelLayer = labelSetup._LabelLayer;
if (_labelLayer == null)
{
return;
}
FeatureLayerActions fla = new FeatureLayerActions();
if (fla != null)
{
_labelLayer.DynamicVisibilityWidth = _labelLayer.FeatureLayer.MapFrame.ViewExtents.Width;
fla.LabelExtents(_labelLayer);
}
}
}
public override void Run()
{
ILegendItem selectedItem = (GIS.FrameWork.Application.App.Legend as GIS.Common.Dialogs.Legend).SelectedLegendMenuItem;
if (selectedItem != null)
{
if (_labelLayer == null)
{
_labelLayer = new MapLabelLayer(selectedItem as IFeatureLayer);
(selectedItem as FeatureLayer).LabelLayer = _labelLayer;
(selectedItem as FeatureLayer).ShowLabels = true;
}
_labelLayer.CreateLabels();
FeatureLayerActions fla = new FeatureLayerActions();
if (fla != null)
{
fla.LabelSetup(_labelLayer);
}
}
}
private void StatFilterAreas()
{
ICurrentRasterInteractiver inter = _session.SmartWindowManager.ActiveCanvasViewer as ICurrentRasterInteractiver;
if (inter != null)
{
inter.StartAOIDrawing(GetPencilType(), (aoi, shape) =>
{
string layerName = "System:StatArea";
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), layerName, _fieldNames);
if (lyr != null)
{
Dictionary <string, double> areas = StatArea(aoi, _filters);
_layerName = layerName;
//ApplyColor(lyr);
//lyr.LabelDef.Fieldname = "面积(平方公里)";
ApplyColor(lyr);
lyr.LabelDef.Fieldname = _fieldNames[1];
lyr.LabelDef.EnableLabeling = true;
CodeCell.AgileMap.Core.Feature fet = null;
try
{
fet = ToFeature(shape, areas.Values.ToArray());
}
catch (Exception ex)
{
_session.PrintMessage(ex);
}
if (fet != null)
{
lyr.AddFeature(fet);
AddFeatureToListView(fet);
}
}
});
}
}
private void InitItems()
{
if (listView1.Items.Count != 0)
{
OID = 0;
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), _layerName, null);
if (lyr == null)
{
return;
}
for (int i = listView1.Items.Count - 1; i >= 0; i--)
{
lyr.RemoveFeature(listView1.Items[i].Tag as Feature);
if (RemoveFeature != null)
{
RemoveFeature(listView1.Items[i].Tag as Feature);
}
}
listView1.Items.Clear();
}
_activeViewer.Canvas.Refresh(enumRefreshType.VectorLayer);
}
private void InitFeature()
{
if (listView1.Items.Count != 0)
{
OID = 0;
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), _layerName, null);
if (lyr == null)
{
return;
}
for (int i = listView1.Items.Count - 1; i >= 0; i--)
{
lyr.RemoveFeature(listView1.Items[i].Tag as Feature);
if (RemoveFeature != null)
{
RemoveFeature(listView1.Items[i].Tag as Feature);
}
}
listView1.Items.Clear();
}
(_activeViewer as ICurrentRasterInteractiver).LabelService.Reset();
_activeViewer.Canvas.CurrentViewControl = new DefaultControlLayer();
}
private void SataSimpleArea()
{
string[] lstViewfieldNames = new string[] { "名称", "像元个数", "面积(平方公里)" };
string[] fieldNames = new string[] { "name", "pixelcount", "area" };
UpdateHeadersOfListView(lstViewfieldNames);
ICurrentRasterInteractiver inter = _activeViewer as ICurrentRasterInteractiver;
if (inter != null)
{
//inter
inter.StartAOIDrawing(GetPencilType(), (aoi, shape) =>
{
string layerName = "System:StatArea";
ILabelLayer lyr = GetLabelLayer((_activeViewer as ICurrentRasterInteractiver), layerName, fieldNames);
if (lyr != null)
{
_layerName = layerName;
ApplyColor(lyr);
lyr.LabelDef.Fieldname = "area";
CodeCell.AgileMap.Core.Feature fet = null;
try
{
fet = ToFeature(aoi, shape, fieldNames);
}
catch (Exception ex)
{
_session.PrintMessage(ex);
}
if (fet != null)
{
lyr.AddFeature(fet);
AddFeatureToListView(fet);
}
}
});
}
}
private void ClearFeature(ICanvasViewer cv)
{
if (listView1.Items.Count != 0)
{
OID = 0;
ILabelLayer lyr = GetLabelLayer((cv as ICurrentRasterInteractiver), _layerName, null);
if (lyr == null)
{
return;
}
for (int i = listView1.Items.Count - 1; i >= 0; i--)
{
lyr.RemoveFeature(listView1.Items[i].Tag as Feature);
if (RemoveFeature != null)
{
RemoveFeature(listView1.Items[i].Tag as Feature);
}
}
listView1.Items.Clear();
}
(cv as ICurrentRasterInteractiver).LabelService.Reset();
cv.Canvas.CurrentViewControl = new DefaultControlLayer();
cv.Canvas.Refresh(enumRefreshType.VectorLayer);
}
/// <summary>
/// Initializes a new instance of the LabelLayerEventArgs class.
/// </summary>
/// <param name="labelLayer">The ILabelLayer that is involved in this event.</param>
public LabelLayerEventArgs(ILabelLayer labelLayer)
{
_labelLayer = labelLayer;
}
/// <summary>
/// A default method to generate a label layer.
/// </summary>
protected virtual void OnCreateLabels()
{
_labelLayer = new LabelLayer();
}
protected override void Dispose(bool disposeManagedResources)
{
if (disposeManagedResources)
{
DataSet = null;
Symbology = null;
if (_labelLayer != null)
{
_labelLayer.Dispose();
_labelLayer = null;
}
if (_selection != null)
{
_selection.Changed -= SelectedFeaturesChanged;
}
}
base.Dispose(disposeManagedResources);
}
/// <summary>
/// Initializes a new instance of the LabelLayerEventArgs class.
/// </summary>
/// <param name="labelLayer">The ILabelLayer that is involved in this event.</param>
public LabelLayerEventArgs(ILabelLayer labelLayer)
{
_labelLayer = labelLayer;
}
/// <summary>
/// Show the dialog to set up labels.
/// </summary>
/// <param name="layer">Layer whose label setup dialog is shown.</param>
public void LabelSetup(ILabelLayer layer)
{
using var dlg = new LabelSetup { Layer = layer };
ShowDialog(dlg);
}
