NDBG_LCS/Kingo.Plugins/Kingo.Framework.LayerStyleConvert/Common/LabelStyleConvert.cs

using System;
using System.Collections.Generic;
using System.Text;
using Kingo.Framework.LayerStyleConvert.XSDClass;
using ESRI.ArcGIS.Carto;

namespace Kingo.Framework.LayerStyleConvert.Common
{
    public class LabelStyleConvert
    {
        public List<LabelingInfo> EsriLabelToCustomLabels(IAnnotateLayerPropertiesCollection labelCollection)
        {
            List<LabelingInfo> lstInfo = new List<LabelingInfo>();
            try
            {
                if (labelCollection == null || labelCollection.Count <= 0) return lstInfo;
                IAnnotateLayerProperties antemp = new LabelEngineLayerPropertiesClass();
                IElementCollection el = new ElementCollectionClass();
                IElementCollection el1 = new ElementCollectionClass();
                for (int i = 0; i < labelCollection.Count; i++)
                {
                    labelCollection.QueryItem(i, out antemp, out el, out el1);
                    lstInfo.Add(EsriLabelToCustomLabel(antemp));
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            return lstInfo;
        }

        public LabelingInfo EsriLabelToCustomLabel(IAnnotateLayerProperties labelPro)
        {
            LabelingInfo lbInfo = new LabelingInfo();
            try
            {
                ILabelEngineLayerProperties iLabelLayerPro = labelPro as ILabelEngineLayerProperties;
                if (iLabelLayerPro == null) return null;
                lbInfo.LabelExpression = iLabelLayerPro.Expression;
                //lbInfo.LabelPlacement=iLabelLayerPro
                lbInfo.Where = labelPro.WhereClause;
                lbInfo.MaxScale = (int)labelPro.AnnotationMaximumScale;
                lbInfo.MinScale = (int)labelPro.AnnotationMinimumScale;
                //lbInfo.UseCodedValues=labelPro.u
                SymbolConvert symbolConvert = new SymbolConvert();
                lbInfo.Symbol = symbolConvert.EsriTextSymbolToCustomTSSymbol((ESRI.ArcGIS.Display.ISymbol)iLabelLayerPro.Symbol);
            }
            catch (Exception ex)
            {
                return null;
            }

            return lbInfo;
        }

        public IAnnotateLayerProperties CustomLabelToEsriLabel(LabelingInfo labelInfo, ESRI.ArcGIS.Geometry.esriGeometryType gemoType)
        {
            IBasicOverposterLayerProperties4 pBasicOverposterlayerProps4 = new BasicOverposterLayerPropertiesClass();
            switch (gemoType)//判断图层类型  
            {
                case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolygon:
                    pBasicOverposterlayerProps4.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolygon;
                    break;
                case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPoint:
                    pBasicOverposterlayerProps4.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
                    break;
                case ESRI.ArcGIS.Geometry.esriGeometryType.esriGeometryPolyline:
                    pBasicOverposterlayerProps4.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
                    break;
            }
            pBasicOverposterlayerProps4.PointPlacementMethod = esriOverposterPointPlacementMethod.esriRotationField;
            //pBasicOverposterlayerProps4.RotationField = angleField;

            ILabelEngineLayerProperties pLabelEnginelayerProps = new LabelEngineLayerPropertiesClass();
            pLabelEnginelayerProps.Expression = labelInfo.LabelExpression;
            //pLabelEnginelayerProps.
            SymbolConvert symbolConvert = new SymbolConvert();
            pLabelEnginelayerProps.Symbol = symbolConvert.CustomTSSymbolToEsriTextSymbol(labelInfo.Symbol);
            pLabelEnginelayerProps.BasicOverposterLayerProperties = pBasicOverposterlayerProps4 as IBasicOverposterLayerProperties;
            IAnnotateLayerProperties annotate = (IAnnotateLayerProperties)pLabelEnginelayerProps;
            annotate.WhereClause = labelInfo.Where;
            annotate.AnnotationMaximumScale = labelInfo.MaxScale;
            annotate.AnnotationMinimumScale = labelInfo.MinScale;
            return annotate;
        }

        public IAnnotateLayerPropertiesCollection CustomLabelsToEsriLabels(List<LabelingInfo> labelInfos, ESRI.ArcGIS.Geometry.esriGeometryType gemoType)
        {
            IAnnotateLayerPropertiesCollection lstInfo = new AnnotateLayerPropertiesCollectionClass();
            try
            {
                if (labelInfos == null || labelInfos.Count <= 0) return lstInfo;
                foreach (LabelingInfo item in labelInfos)
                {
                    lstInfo.Add(CustomLabelToEsriLabel(item, gemoType));
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            return lstInfo;
        }
    }
}