NDBGJK5.0/Kingo.Plugins/KGIS.Plugin.LayerProperty/View/FormPointRatation.cs

using DevExpress.XtraEditors;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geodatabase;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace KGIS.Plugin.LayerProperty.View
{
    public partial class FormPointRatation : XtraForm
    {
        private IFeatureLayer2 m_orendlyr;
        private IFeatureRenderer m_orender;
        private IRotationRenderer gRotationRenderer;
        public IRotationRenderer RotationRenderer
        {
            get
            {
                return this.GetRotationRend(this.m_orendlyr, this.m_orender);
            }
            set
            {
                this.gRotationRenderer = value;
            }
        }
        public FormPointRatation()
        {
            InitializeComponent();
        }
        public bool Init(IFeatureLayer2 orendlyr, IFeatureRenderer orender)
        {
            try
            {
                bool result;
                if (orendlyr == null || orender == null)
                {
                    result = false;
                    return result;
                }
                this.m_orendlyr = orendlyr;
                this.m_orender = orender;
                ITable table = (ITable)orendlyr;
                IFields fields = table.Fields;
                this.cmbFields.Properties.Items.Clear();
                this.cmbFields.Properties.Items.Add("<none>");
                for (int i = 0; i < fields.FieldCount; i++)
                {
                    IField field = fields.get_Field(i);
                    string name = field.Name;
                    if (field.Type == esriFieldType.esriFieldTypeDouble || field.Type == esriFieldType.esriFieldTypeInteger || field.Type == esriFieldType.esriFieldTypeSingle || field.Type == esriFieldType.esriFieldTypeSmallInteger)
                    {
                        this.cmbFields.Properties.Items.Add(name);
                    }
                }
                IRotationRenderer rotationRenderer = (IRotationRenderer)orender;
                this.gRotationRenderer = rotationRenderer;
                if (rotationRenderer.RotationField == "<none>" || rotationRenderer.RotationField == "")
                {
                    this.cmbFields.EditValue = "<none>";
                }
                else
                {
                    this.cmbFields.EditValue = rotationRenderer.RotationField;
                }
                if (rotationRenderer.RotationType == esriSymbolRotationType.esriRotateSymbolGeographic)
                {
                    this.radbtnGeographic.Checked = true;
                    this.radbtnArithmetic.Checked = false;
                }
                else
                {
                    if (rotationRenderer.RotationType == esriSymbolRotationType.esriRotateSymbolArithmetic)
                    {
                        this.radbtnArithmetic.Checked = true;
                        this.radbtnGeographic.Checked = false;
                    }
                }
                result = true;
                return result;
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
            }
            return false;
        }
        private void btnOk_Click(object sender, System.EventArgs e)
        {
            try
            {
                if (this.gRotationRenderer == null)
                {
                    this.gRotationRenderer = new SimpleRendererClass();
                }
                this.gRotationRenderer.RotationField = this.cmbFields.Text;
                if (this.radbtnArithmetic.Checked)
                {
                    this.gRotationRenderer.RotationType = esriSymbolRotationType.esriRotateSymbolArithmetic;
                }
                else
                {
                    if (this.radbtnGeographic.Checked)
                    {
                        this.gRotationRenderer.RotationType = esriSymbolRotationType.esriRotateSymbolGeographic;
                    }
                }
                base.DialogResult = DialogResult.OK;
                base.Close();
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
            }
        }
        private void btnCancel_Click(object sender, System.EventArgs e)
        {
            base.DialogResult = DialogResult.Cancel;
            base.Close();
        }
        private IRotationRenderer GetRotationRend(IFeatureLayer2 orendlyr, IFeatureRenderer orender)
        {
            IRotationRenderer result;
            try
            {
                if (orendlyr == null || orender == null)
                {
                    result = null;
                }
                else
                {
                    IRotationRenderer rotationRenderer = (IRotationRenderer)orender;
                    if (this.cmbFields.Text == "<none>")
                    {
                        rotationRenderer.RotationField = "";
                    }
                    else
                    {
                        rotationRenderer.RotationField = this.cmbFields.Text;
                    }
                    if (this.radbtnArithmetic.Checked)
                    {
                        rotationRenderer.RotationType = esriSymbolRotationType.esriRotateSymbolArithmetic;
                    }
                    else
                    {
                        if (this.radbtnGeographic.Checked)
                        {
                            rotationRenderer.RotationType = esriSymbolRotationType.esriRotateSymbolGeographic;
                        }
                    }
                    result = rotationRenderer;
                }
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
                result = null;
            }
            return result;
        }
    }
}