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

namespace DrawGraphManagement.MyUserControl
{
    public class UCAttrib : UCBase
    {
        //PackObjBase selectPoB = null;

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

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

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

            object[] bookarr = info.GetCustomAttributes(typeof(ClassAttributs), false);
            textBox.Leave -= new EventHandler(txt_Leave);
            // 
            // label1
            // 
            label.AutoSize = true;
            label.Dock = System.Windows.Forms.DockStyle.Left;
            label.Location = new System.Drawing.Point(0, 0);

            string cName = info.Name;
            if (bookarr.Length > 0) {
                ClassAttributs bookattribute1 = (ClassAttributs)bookarr[0];
                if (bookattribute1.CName != null)
                {
                    cName = bookattribute1.CName;
                }
                if (bookattribute1.Description != null)
                {
                    toolTip1.SetToolTip(label, bookattribute1.Description.ToString());
                }
            }
            label.Name = "label" + selectPoB.PackTag;
            label.Size = new System.Drawing.Size(41, 12);
            label.TabIndex = 0;
            label.Text = cName;

            // 
            // textBox1
            // 
            textBox.Dock = System.Windows.Forms.DockStyle.Left;
            textBox.Location = new System.Drawing.Point(41, 0);
            textBox.Name = "textBox" + info.Name;
            textBox.Size = new System.Drawing.Size(156, 21);
            textBox.Tag = info.Name;
            textBox.MaxLength = 32767;
            textBox.TabIndex = 1;
            textBox.Text = info.GetValue(selectPoB, null).ToString();
            textBox.Leave += new EventHandler(txt_Leave);
            if (bookarr.Length > 0)
            {
                ClassAttributs bookattribute1 = (ClassAttributs)bookarr[0];//获取属性类的第一个成员
                if (bookattribute1.Message == "readOnly")
                {
                    textBox.ReadOnly = true;
                }
            }
            // 
            // panel5
            // 
            panel = new System.Windows.Forms.Panel();
            panel.Dock = DockStyle.Top;
            panel.Controls.Add(textBox);
            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;
        }

        public void Clear()
        {
            selectPoB = null;
        }

        void txt_Leave(object sender, EventArgs e)
        {
            if (selectPoB == null) return;
            //先清除，因为Tag修改后会有重复
            selectPoB.Clear();
            TextBox txtser = (sender as TextBox);
            try
            {
                foreach (PropertyInfo p in selectPoB.GetType().GetProperties())
                {
                    if (txtser.Tag.ToString() == p.Name)
                    {
                        MovePackObjCommand cmd = new MovePackObjCommand(CommandManage.GetInstance.AreaManage, selectPoB);
                        cmd.PreExecute();
                        //先拿到改变前的值
                        float width = selectPoB.Width;
                        float height = selectPoB.Height;
                        p.SetValue(selectPoB, Convert.ChangeType(txtser.Text.TrimEnd(), p.PropertyType), null);
                        if (p.Name.ToLower() == "x")
                        {
                            selectPoB.EndX = selectPoB.X + width;
                        }
                        if (p.Name.ToLower() == "y")
                        {
                            selectPoB.EndY = selectPoB.Y + height;
                        }
                        cmd.LastExecute();
                        CommandManage.GetInstance.AddCommand(cmd);
                        break;
                    }
                }
            }
            catch (Exception  )
            {
            }
            finally
            {
                if (selectPoB != null)
                {
                    selectPoB.Draw();
                    onChangeValue(selectPoB, e);
                }
            }
        }
    }
}