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 SigmaDrawerStyle;

namespace GeoSigmaViewer
{
    public partial class PanelProperty : UserControl
    {
        public Viewer DrawViewer { get; set; }
        public string LayerName { get; set; }
        private int propertyType = 0;//0-层位属性；1-元素属性
        private int propertyIndex = -1;
        public PanelProperty()
        {
            InitializeComponent();
        }
        private DrawerStyle _CurrentStyle;

        public DrawerStyle CurrentStyle {
            get => _CurrentStyle;
            set
            {
                _CurrentStyle=value;
                propertyGrid.SelectedObject=null;
                lsvLayer.Items.Clear();
                //lsvElement.Items.Clear();
                if (_CurrentStyle==null)
                {
                    return;
                }
                if (_CurrentStyle.CurveStyle!=null)
                {
                    List<CurveView> lstCurve = _CurrentStyle.CurveStyle.Properties;
                    if (lstCurve!=null&&lstCurve.Count>0)
                    {
                        int nIndex = 0;
                        foreach (CurveView curve in lstCurve)
                        {
                            if (curve is CurveStyleBase) { continue; }
                            nIndex++;
                            ListViewItem lvi = new ListViewItem(""+nIndex);
                            lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, curve.TypeName));
                            lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, "线"));
                            lvi.Tag=curve;
                            lsvLayer.Items.Add(lvi);
                        }
                    }
                }
                if (_CurrentStyle.PontStyle!=null)
                {
                    ListViewItem lvi = new ListViewItem("1");
                    lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, "点属性"));
                    lvi.SubItems.Add(new ListViewItem.ListViewSubItem(lvi, "点"));
                    lvi.Tag=_CurrentStyle.PontStyle;
                    lsvLayer.Items.Add(lvi);
                }
                if (lsvLayer.Items.Count>0)
                {
                    //CurveProperty property = lsvCurve.Items[0].Tag as CurveProperty;
                    propertyGrid.SelectedObject=lsvLayer.Items[0].Tag;
                }
                //else
                //{
                //    if (lsvPoint.Items.Count>0)
                //    {
                //        propertyGrid.SelectedObject=lsvPoint.Items[0];
                //        tabControl1.SelectTab(1);
                //    }
                //}
                lsvLayer.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
            }
        }

        private void lsvCurve_SelectedIndexChanged(object sender, EventArgs e)
        {
           if(lsvLayer.SelectedItems.Count>0)
            {
                propertyGrid.SelectedObject=lsvLayer.SelectedItems[0].Tag;
                propertyType=0;
                propertyIndex=lsvLayer.SelectedItems[0].Index;
            }
        }

        private void tsbLayerDel_Click(object sender, EventArgs e)
        {
           if(lsvLayer.SelectedItems.Count==0)
            {
                return;
            }
            ListViewItem lviSelect = lsvLayer.SelectedItems[0];
            int nIndex = lviSelect.Index;
            string strType = lviSelect.SubItems[2].Text+"";
            lviSelect.Remove();
            int nCount = lsvLayer.Items.Count;
            if (nIndex==nCount)
            {
                if (lsvLayer.Items.Count>0)
                { lsvLayer.Items[0].Selected=true; }
            }
            else
            {
                lsvLayer.Items[nIndex].Selected=true;
            }
            if (strType.Equals("线"))
            {
                if (DrawViewer.RemoveCurveStyle(LayerName, nIndex))
                {
                    DrawViewer.Redraw();                    
                }
                ResetLayerIndex();
            }
            else if (strType.Equals("点"))
            {
                if (DrawViewer.RemovePointStyle(LayerName))
                {
                    DrawViewer.Redraw();
                }
            }
            if(nCount ==0)
            {
                propertyGrid.SelectedObject=null;
            }
        }
        private void ResetLayerIndex()
        {
            int nCount = lsvLayer.Items.Count;
            int nIndex = 0;
            for (int i=0;i<nCount;i++)
            {
                ListViewItem lviSelect = lsvLayer.Items[i];
                if (lviSelect.SubItems[2].Text.Equals("线"))
                {
                    nIndex++;
                    lviSelect.Text=nIndex+"";
                }
            }
        }
        /// <summary>
        /// 属性修改事件
        /// </summary>
        /// <param name="s"></param>
        /// <param name="e"></param>
        private void propertyGrid_PropertyValueChanged(object s, PropertyValueChangedEventArgs e)
        {
            var varStyle = propertyGrid.SelectedObject;
            if(varStyle is DrawerPointStyle)
            {
                string strPointStyle = ((DrawerPointStyle)varStyle).SerialXml();
               if( DrawViewer.SetLayerHowtoViewPoint(LayerName, strPointStyle)==true)
                {
                    DrawViewer.Redraw();
                }
            }
            else
            {
                string strCurveStyle = ((CurveView)varStyle).SerialXml();
                Console.WriteLine(strCurveStyle);
                if (DrawViewer.SetLayerHowtoViewCurve(LayerName, strCurveStyle, propertyIndex)==true)
                {
                    DrawViewer.Redraw();
                }
            }
        }
    }
}