Sunji-posv-net/pos/JwKdsV/Component/ItemPanel.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using JwKdsV.Core;

namespace JwKdsV.Component
{
    public partial class ItemPanel : UserControl
    {
        public ItemPanel()
        {
            InitializeComponent();
        }

        private List<BaseSubItemPanel> _items = new List<BaseSubItemPanel>();

        public List<BaseSubItemPanel> Items => this._items;

        private int _itemSpace = 5;

        public int ItemSpace
        {
            get
            {
                return _itemSpace;
            }
            set
            {
                this._itemSpace = value;
            }
        }

        private bool _titleVisible = false;

        /// <summary>
        /// 标题是否显示
        /// </summary>
        [Category("杂项"), Description("标题是否显示")]
        public bool TitleVisible
        {
            get
            {
                return _titleVisible;
            }
            set
            {
                this._titleVisible = value;
                this.label1.Visible = this._titleVisible;
            }
        }

        private string _titleText = string.Empty;
        /// <summary>
        /// 标题
        /// </summary>
        [Category("杂项"), Description("标题文本")]
        public string TitleText
        {
            get
            {
                return _titleText;
            }
            set
            {
                this._titleText = value;
                this.label1.Text = this._titleText;
            }
        }

        private Font _titleFont = Global.Instance.GetFont( SystemFont.大字);
        [Category("杂项"), Description("标题文本字体")]
        public Font TitleFont
        {
            get
            {
                return _titleFont;
            }
            set
            {
                this._titleFont = value;
                this.label1.Font = this._titleFont;
            }
        }

        private Color _titleFontColor = Color.White;
        [Category("杂项"), Description("标题文本颜色")]
        public Color TitleFontColor
        {
            get
            {
                return _titleFontColor;
            }
            set
            {
                this._titleFontColor = value;
                this.label1.ForeColor = this._titleFontColor;
            }
        }

        private Color _titleBackColor = Color.Black;
        [Category("杂项"), Description("标题背景颜色")]
        public Color TitleBackColor
        {
            get
            {
                return _titleBackColor;
            }
            set
            {
                this._titleBackColor = value;
                this.label1.BackColor = this._titleBackColor;
            }
        }

        /// <summary>
        /// 清空所有控件
        /// </summary>
        public void Clear()
        {
            _items = null;
            _items = new List<BaseSubItemPanel>();
            this.panel1.Controls.Clear();
            this.Invalidate();
        }

        public void RefreshView()
        {
            //this.panel1.Controls.Clear();
            var ch = this.panel1.Height;
            var cw = this.panel1.Width;
            int tempX = 0, tempY = 0;
            //移除删除的item
            List<BaseSubItemPanel> removeList = new List<BaseSubItemPanel>();
            foreach(var control in this.panel1.Controls)
            {
                if(control is BaseSubItemPanel)
                {
                    var item = control as BaseSubItemPanel;
                    if(!Items.Exists(x => x.Name == item.Name))
                    {
                        removeList.Add(item);
                    }
                }
            }
            foreach(var removeItem in removeList)
            {

                ///zhangy Add-----------2020-10-23----------
                while (removeItem.Controls.Count > 0)
                {
                    if (removeItem.Controls[0] != null)
                    {
                        var ctl = removeItem.Controls[0];
                        if (ctl is Panel)
                        {
                            while (ctl.Controls.Count > 0)
                            {
                                if (ctl.Controls[0] != null)
                                {
                                    var subctl = ctl.Controls[0];
                                    subctl.Dispose();
                                }
                            }
                            ctl.Controls.Clear();
                        }
                        ctl.Dispose();
                    }
                }
                removeItem.Controls.Clear();
                removeItem.Dispose();
                ///zhangy Add-----------2020-10-23----------
                ///
                this.panel1.Controls.Remove(removeItem);
            }
            //重定位
            foreach(var item in Items)
            {
                if(tempX + item.Width + this.ItemSpace > cw)
                {
                    tempX = 0;
                    tempY += item.Height + this.ItemSpace;
                }
                item.Location = new Point(tempX, tempY);
                tempX += item.Width + this.ItemSpace;
                if(this.panel1.Controls.Find(item.Name, false).Count() == 0)
                {
                    this.panel1.Controls.Add(item);
                }
            }
            this.Invalidate();
        }

    }
}