NDBGJK5.0/Kingo.Plugins/KGIS.Plugin.LayerProperty/View/UC_Controls/UCScaleCombox.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using KGIS.Plugin.LayerProperty.Utils;

namespace KGIS.Plugin.LayerProperty.View.UC_Controls
{
    public partial class UCScaleCombox : UserControl
    {
        public delegate void ValueChangedHandler(double scale);
        private ItemInfo<double, string> pnone = new ItemInfo<double, string>(0.0, "<none>");
        private IList<ItemInfo<double, string>> scales = new List<ItemInfo<double, string>>();
        public event UCScaleCombox.ValueChangedHandler ScaleValueChanged;
        public double ScaleValue
        {
            get
            {
                try
                {
                    return (this.comboBoxEdit1.EditValue as ItemInfo<double, string>).InnerValue;
                }
                catch
                {
                }
                return 0.0;
            }
            set
            {
                this.comboBoxEdit1.Text = value.ToString();
                this.comboBoxEdit1_Validated(null, null);
            }
        }
        public UCScaleCombox()
        {
            InitializeComponent();
        }
        public void Init()
        {
            this.scales.Clear();
            this.scales.Add(this.pnone);
            this.scales.Add(new ItemInfo<double, string>(1000.0, "1:1000"));
            this.scales.Add(new ItemInfo<double, string>(5000.0, "1:5000"));
            this.scales.Add(new ItemInfo<double, string>(10000.0, "1:10000"));
            this.scales.Add(new ItemInfo<double, string>(50000.0, "1:50000"));
            this.scales.Add(new ItemInfo<double, string>(100000.0, "1:100000"));
            this.scales.Add(new ItemInfo<double, string>(250000.0, "1:250000"));
            this.scales.Add(new ItemInfo<double, string>(500000.0, "1:500000"));
            this.scales.Add(new ItemInfo<double, string>(1000000.0, "1:1000000"));
            DevExpressControlInitList<double, string>.InitComboBoxEdit(ref this.comboBoxEdit1, this.scales, this.pnone);
        }
        private bool IsContains(ItemInfo<double, string> newItem)
        {
            try
            {
                foreach (ItemInfo<double, string> current in this.scales)
                {
                    if (current == newItem)
                    {
                        return true;
                    }
                }
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
            }
            return false;
        }
        private void comboBoxEdit1_EditValueChanged(object sender, System.EventArgs e)
        {
            try
            {
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
            }
        }
        private void comboBoxEdit1_Validated(object sender, System.EventArgs e)
        {
            try
            {
                string text = this.comboBoxEdit1.Text;
                if (text.Contains("1:"))
                {
                    double num;
                    if (double.TryParse(text.Substring(2), out num))
                    {
                        if (num == 0.0)
                        {
                            this.comboBoxEdit1.EditValue = this.pnone;
                        }
                        else
                        {
                            ItemInfo<double, string> itemInfo = new ItemInfo<double, string>(num, text);
                            if (!this.IsContains(itemInfo))
                            {
                                this.scales.Add(itemInfo);
                                this.comboBoxEdit1.EditValue = itemInfo;
                            }
                        }
                    }
                    else
                    {
                        this.comboBoxEdit1.EditValue = this.pnone;
                    }
                }
                else
                {
                    double num2;
                    if (double.TryParse(text.Trim(), out num2))
                    {
                        if (num2 == 0.0)
                        {
                            this.comboBoxEdit1.EditValue = this.pnone;
                        }
                        else
                        {
                            ItemInfo<double, string> itemInfo2 = new ItemInfo<double, string>(num2, "1:" + text);
                            if (!this.IsContains(itemInfo2))
                            {
                                this.scales.Add(itemInfo2);
                            }
                            this.comboBoxEdit1.EditValue = itemInfo2;
                        }
                    }
                    else
                    {
                        this.comboBoxEdit1.EditValue = this.pnone;
                    }
                }
                ItemInfo<double, string> itemInfo3 = this.comboBoxEdit1.EditValue as ItemInfo<double, string>;
                if (itemInfo3 != null && this.ScaleValueChanged != null)
                {
                    this.ScaleValueChanged(itemInfo3.InnerValue);
                }
            }
            catch (Exception ex)
            {
                //RdbUtil.AddException(ex);
            }
        }
    }
}