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

namespace DrawGraphManagement.MyUserControl
{
    public class UCColor : UCBase
    {

        public UCColor(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.Label labelColor;

            panel = new System.Windows.Forms.Panel();
            label = new System.Windows.Forms.Label();
            labelColor = new System.Windows.Forms.Label();


            labelColor.AutoSize = true;
            labelColor.Dock = System.Windows.Forms.DockStyle.Left;
            labelColor.Name = "label" + selectPoB.PackTag;
            labelColor.Size = new System.Drawing.Size(41, 12);
            labelColor.TabIndex = 0;
            labelColor.Text = "    ";
            labelColor.BackColor = (Color)info.GetValue(selectPoB, null);
            labelColor.Tag = info.Name;
            labelColor.Click += new EventHandler(labColor_Click);

            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;
            label.Text = info.Name;
            object[] bookarr = info.GetCustomAttributes(typeof(ClassAttributs), false);
            if (bookarr.Length > 0)
            {
                ClassAttributs bookattribute1 = (ClassAttributs)bookarr[0];//获取属性类的第一个成员
                if (bookattribute1.Description != null)
                {
                    base.toolTip1.SetToolTip(label, bookattribute1.Description.ToString());
                }
            }

            panel = new System.Windows.Forms.Panel();
            panel.Dock = DockStyle.Top;
            panel.Controls.Add(labelColor);
            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 labColor_Click(object sender, EventArgs e)
        {
            if (selectPoB == null) return;

            System.Windows.Forms.Label lab = (sender as System.Windows.Forms.Label);
            try
            {
                if (colorDialog1.ShowDialog() == DialogResult.OK)
                {
                    foreach (PropertyInfo p in selectPoB.GetType().GetProperties())
                    {
                        if (lab.Tag.ToString() == p.Name)
                        {
                            lab.BackColor = colorDialog1.Color;
                            p.SetValue(selectPoB, Convert.ChangeType(colorDialog1.Color, p.PropertyType), null);
                            break;
                        }
                    }
                }
            }
            catch (Exception)
            {
            }
            finally
            {
                if (selectPoB != null)
                {
                    selectPoB.Draw();
                    onChangeValue(selectPoB, e);
                }
            }
        }
    }
}