using DrawGraph;
using System;
using System.Reflection;
using System.Windows.Forms;

namespace DrawGraphManagement.MyUserControl
{
    public class UCSelect : UCBase
    {

        //PackObjBase selectPoB = null;

        public UCSelect(PackObjBase pob)
        {
            selectPoB = pob;
        }


        public override Panel GreatPropertyPanel(PropertyInfo info)
        {
            if (selectPoB == null) return null;

            System.Windows.Forms.Panel panel;
            System.Windows.Forms.Label label;
            System.Windows.Forms.ComboBox comboBox1;

            panel = new System.Windows.Forms.Panel();
            label = new System.Windows.Forms.Label();
            comboBox1 = new System.Windows.Forms.ComboBox();
            // comboBox1
            // 
            comboBox1.FormattingEnabled = true;
            comboBox1.Location = new System.Drawing.Point(435, 4);
            comboBox1.Dock = DockStyle.Left;
            comboBox1.Name = "comboBox" + selectPoB.PackTag;
            comboBox1.Size = new System.Drawing.Size(121, 20);
            comboBox1.Tag = info.Name;
            comboBox1.Items.Clear();
            foreach (string v in datasource)
            {
                comboBox1.Items.Add(v);
            }
            Enum ltype = (Enum)info.GetValue(selectPoB, null);
            comboBox1.Text = ltype.ToString();
            comboBox1.TabIndex = 4;
            comboBox1.SelectedValueChanged += new EventHandler(ComboBox1_SelectedValueChanged);

            label.AutoSize = true;
            label.Dock = System.Windows.Forms.DockStyle.Left;
            label.Name = "label" + selectPoB.PackTag;
            label.Size = new System.Drawing.Size(41, 12);
            label.TabIndex = 0;

            string cName = info.Name;
            object[] bookarr = info.GetCustomAttributes(typeof(ClassAttributs), false);
            if (bookarr.Length > 0)
            {
                ClassAttributs bookattribute1 = (ClassAttributs)bookarr[0];
                if (bookattribute1.CName != null)
                {
                    cName = bookattribute1.CName;
                }
                if (bookattribute1.Description != null)
                {
                    base.toolTip1.SetToolTip(label, bookattribute1.Description.ToString());
                }
            }
            label.Text = cName;

            panel = new System.Windows.Forms.Panel();
            panel.Dock = DockStyle.Top;
            panel.Controls.Add(comboBox1);
            panel.Controls.Add(label);
            panel.Location = new System.Drawing.Point(3, 6);
            panel.Name = "panel" + selectPoB.PackTag; ;
            panel.Size = new System.Drawing.Size(200, 27);
            panel.TabIndex = 0;

            return panel;
        }

        void ComboBox1_SelectedValueChanged(object sender, EventArgs e)
        {
            if (selectPoB == null) return;

            System.Windows.Forms.ComboBox cbb = (sender as System.Windows.Forms.ComboBox);
            try
            {
                foreach (PropertyInfo p in selectPoB.GetType().GetProperties())
                {
                    if (cbb.Tag.ToString() == p.Name)
                    {
                        MovePackObjCommand cmd = new MovePackObjCommand(CommandManage.GetInstance.AreaManage, selectPoB);
                        cmd.PreExecute();
                        object value = Enum.Parse(p.PropertyType, cbb.Text.ToString(), false);
                        p.SetValue(selectPoB, Convert.ChangeType(value, p.PropertyType), null);
                        cmd.LastExecute();
                        CommandManage.GetInstance.AddCommand(cmd);
                        break;
                    }
                }
            }
            catch (Exception  )
            {
            }
            finally
            {
                if (selectPoB != null)
                {
                    selectPoB.Draw();
                    onChangeValue(selectPoB, e);
                }
            }
        }
    }
}