private bool IsSaveable()
{
if (this.cboTargetLayer.Items.Count == 0)
{
return(false);
}
ILayer layer = _utilitiesArcmap.Layer(this.cboTargetLayer.Text);
IFeatureLayer featurelayer = layer as IFeatureLayer;
if (!(featurelayer == null))
{
IFeatureClass featureclass = featurelayer.FeatureClass;
IWorkspace2 workspace = ((IDataset)featureclass).Workspace as IWorkspace2;
IWorkspaceEdit2 workspaceedit = (IWorkspaceEdit2)workspace;
if (!workspaceedit.IsBeingEdited())
{
return(false);
}
bool hasedits = false;
workspaceedit.HasEdits(ref hasedits);
if (!hasedits)
{
return(false);
}
if (workspaceedit.IsInEditOperation)
{
return(false);
}
}
return(true);
}
public void OnClick()
{
m_Map = m_hookHelper.FocusMap;
m_activeView = m_Map as IActiveView;
m_EngineEditor = MapManager.EngineEditor;
Boolean bSave = true;
if (m_EngineEditor == null)
{
return;
}
if (m_EngineEditor.EditState != esriEngineEditState.esriEngineStateEditing)
{
return;
}
IWorkspaceEdit2 pWsEdit2 = m_EngineEditor.EditWorkspace as IWorkspaceEdit2;
if (pWsEdit2.IsBeingEdited())
{
Boolean bHasEdit = m_EngineEditor.HasEdits();
if (bHasEdit)
{
if (MessageBox.Show("是否保存所做的编辑？", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.Yes)
{
bSave = true;
}
else
{
bSave = false;
}
}
m_EngineEditor.StopEditing(bSave);
}
m_Map.ClearSelection();
m_activeView.Refresh();
}
private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
#region 处理各种交互情况
switch (m_sketchshape)
{
case "polygon":
{
IScreenDisplay iSDisplay = m_MapCtrls.ActiveView.ScreenDisplay;
IPoint newPoint = new PointClass();
newPoint = iSDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
if (e.button == 1)
{
//左单击画多边形添加点：
if (m_NewPolygonFeedback == null)
{
m_NewPolygonFeedback = new NewPolygonFeedbackClass();
m_NewPolygonFeedback.Display = iSDisplay;
m_NewPolygonFeedback.Start(newPoint);
}
else
{
m_NewPolygonFeedback.AddPoint(newPoint);
}
}
if (e.button == 2)
{
if (m_NewPolygonFeedback == null)
{
return;
}
//右键结束绘制：
m_NewPolygonFeedback.AddPoint(newPoint);
m_NewPolygon = m_NewPolygonFeedback.Stop();
//若是逆时针创建，反转一下，变为顺时针：
IArea feedBackArea = m_NewPolygon as IArea;
if (feedBackArea.Area < 0)
{
m_NewPolygon.ReverseOrientation();
}
IGeometry newGeometry = m_NewPolygon as IGeometry;
IFeatureWorkspace checkWorkspace = m_GlobalWorkspace as IFeatureWorkspace;
IFeatureClass checkFeatureClass = checkWorkspace.OpenFeatureClass("CheckArea");
if (!(m_EditWorkspace.IsBeingEdited()))
{
m_EditWorkspace.StartEditing(false);
}
m_EditWorkspace.StartEditOperation();
int OID = CheckFeatueEditor.InsertNewFeature(newGeometry, checkFeatureClass, AppManager.GetInstance().TaskName);
m_EditWorkspace.StopEditOperation();
//ISelectionEnvironment selectionEnv = new SelectionEnvironmentClass();
//selectionEnv.AreaSelectionMethod = esriSpatialRelEnum.esriSpatialRelOverlaps;
//selectionEnv.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
//this.m_MapCtrls.ActiveView.FocusMap.SelectByShape(feature.Shape, null, true);
//this.m_MapCtrls.ActiveView.FocusMap.SelectByShape(feature.Shape, selectionEnv, true);
//m_MapCtrls.Map.SelectByShape(m_NewPolygon, null, true);
ILayer iLayer = m_MapCtrls.Layer[0];
IFeature iFeature = checkFeatureClass.GetFeature(OID);
clearFeatureSelection();
m_MapCtrls.Map.SelectFeature(iLayer, iFeature);
m_NewPolygonFeedback = null;
m_MapCtrls.ActiveView.Refresh();
}
break;
}
case "rectangle":
{
IScreenDisplay iSDisplay = m_MapCtrls.ActiveView.ScreenDisplay;
IPoint newPoint = new PointClass();
newPoint = iSDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
if (e.button == 1)
{
if (m_RecFeedback == null)
{
m_RecFeedback = new NewRectangleFeedbackClass();
m_RecFeedback.Display = iSDisplay;
m_RecFeedback.Angle = 90;
m_RecFeedback.Start(newPoint);
newPoint.Y = newPoint.Y + 20;
m_RecFeedback.SetPoint(newPoint);
}
else
{
m_RecFeedback.SetPoint(newPoint);
}
}
if (e.button == 2)
{
if (m_RecFeedback != null)
{
m_NewPolygon = m_RecFeedback.Stop(newPoint) as IPolygon;
//若是逆时针创建，反转一下，变为顺时针：
IArea feedBackArea = m_NewPolygon as IArea;
if (feedBackArea.Area < 0)
{
m_NewPolygon.ReverseOrientation();
}
IGeometry newGeometry = m_NewPolygon as IGeometry;
IFeatureWorkspace checkWorkspace = m_GlobalWorkspace as IFeatureWorkspace;
IFeatureClass checkFeatureClass = checkWorkspace.OpenFeatureClass("CheckArea");
if (!(m_EditWorkspace.IsBeingEdited()))
{
m_EditWorkspace.StartEditing(false);
}
m_EditWorkspace.StartEditOperation();
int OID = CheckFeatueEditor.InsertNewFeature(newGeometry, checkFeatureClass, AppManager.GetInstance().TaskName);
m_EditWorkspace.StopEditOperation();
ILayer iLayer = m_MapCtrls.Layer[0];
IFeature iFeature = checkFeatureClass.GetFeature(OID);
clearFeatureSelection();
m_MapCtrls.Map.SelectFeature(iLayer, iFeature);
m_MapCtrls.ActiveView.Refresh();
m_RecFeedback = null;
}
}
break;
}
}
#endregion
}
private void btnInserir_Click(object sender, EventArgs e)
{
// valida os campos
if (!this.ValidarCampos())
{
return;
}
// workspace
IWorkspace workspace =
ArcMapUtils.GetFeatureLayerWorkspace(this._layerDeUnidadesDeSaude);
IWorkspaceEdit2 workspaceEdit = workspace as IWorkspaceEdit2;
if (workspaceEdit.IsBeingEdited())
{
MessageBox.Show(this, "O workspace está em edição. Aguarde.", this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Stop);
return;
}
// filtro para achar o bairro e o distrito sanitário a que a unidade de saúde pertence
ISpatialFilter spatialFilter = new SpatialFilterClass();
spatialFilter.Geometry = this._featureParaCopia.ShapeCopy;
spatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
// pegar o código do bairro
IFeatureCursor featCursorBairros = this._layerDeBairros.Search(spatialFilter, false);
IFeature featureBairro = featCursorBairros.NextFeature();
int nomeIndex = this._layerDeBairros.FeatureClass.FindField("nome");
int codigoBairro = featureBairro.OID;
string nomeBairro = (string)featureBairro.get_Value(nomeIndex);
//pegar o código do distrito sanitário
IFeatureCursor featCursorDistritos = this._layerDeDistritos.Search(spatialFilter, false);
IFeature featureDistrito = featCursorDistritos.NextFeature();
int nomeIndex1 = this._layerDeDistritos.FeatureClass.FindField("nome");
int codigoDistrito = featureDistrito.OID;
string nomeDistrito = (string)featureDistrito.get_Value(nomeIndex1);
this.Cursor = Cursors.WaitCursor;
//cadastra a nova unidade de saúde
try
{
// inicia edição
workspaceEdit.StartEditing(true);
workspaceEdit.StartEditOperation();
// dados da nova Unidade de Saúde
UnidadeSaude unidadeDeSaude = new UnidadeSaude();
unidadeDeSaude.Nome = txtNomeUS.Text.ToString();
unidadeDeSaude.Endereco = txtEnderecoUS.Text.ToString();
unidadeDeSaude.Bairro = txtBairroUS.Text.ToString();
unidadeDeSaude.DistritoSanitario = txtDistritoUS.Text.ToString();
unidadeDeSaude.CodigoBairro = (int)codigoBairro;
unidadeDeSaude.CodigoDistritoSanitario = (int)codigoDistrito;
// criação da nova feature
IFeature featureUnidadeDeSaude = this._layerDeUnidadesDeSaude.FeatureClass.CreateFeature();
featureUnidadeDeSaude.Shape = _featureParaCopia.ShapeCopy;
unidadeDeSaude.ToFeature(featureUnidadeDeSaude);
// finaliza edição
workspaceEdit.StopEditOperation();
workspaceEdit.StopEditing(true);
MessageBox.Show(this, "Unidade de Saúde inserida com sucesso !", this.Text,
MessageBoxButtons.OK, MessageBoxIcon.Information);
// limpa seleção
ArcMap.Document.FocusMap.ClearSelection();
// fecha o formulário
this.Close();
}
catch
{
// cancela edição
if (workspaceEdit.IsInEditOperation)
{
workspaceEdit.AbortEditOperation();
}
workspaceEdit.StopEditing(false);
MessageBox.Show(this, "Não foi possível realizar a inserção de uma nova unidade de saúde !", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
// refresh
IActiveView activeView = ArcMap.Document.FocusMap as IActiveView;
activeView.Refresh();
// cursor
this.Cursor = Cursors.Default;
}
}