using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Windows.Forms;
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using WinApi;
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namespace DPumpHydr.WinFrmUI.WenSkin.Controls
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{
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[ToolboxBitmap(typeof(ListView))]
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public partial class WenListView : ListView
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{
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public WenListView()
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{
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this.View = View.Details;
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this.FullRowSelect = true;
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base.SetStyle(
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//ControlStyles.UserPaint |
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ControlStyles.DoubleBuffer |
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ControlStyles.OptimizedDoubleBuffer |
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ControlStyles.AllPaintingInWmPaint |
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ControlStyles.ResizeRedraw |
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ControlStyles.SupportsTransparentBackColor, true);
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base.UpdateStyles();
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OwnerDraw = true;
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this.BackColor = Color.FromArgb(37, 37, 38);
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this.BorderStyle = BorderStyle.FixedSingle;
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itemlistInstance();
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this.ForeColor = Color.White;
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}
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#region 私有属性
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private int itemHeight = 30;
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private Size itemIconSize = new Size(30, 30);
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private WenListViewColumnHeaderCollection columns;
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private WenListViewItemCollection items;
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#endregion
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#region 公有属性
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[Category("Wen"), Description("当imagelist无值 默认图标"), DefaultValue(null)]
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public Image ItemIcon { get; set; }
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[Category("Wen"), Description("没有图标情况，项高度"), DefaultValue(30)]
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public int ItemHeight
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{
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get => itemHeight;
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set
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{
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itemHeight = value;
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itemIconSize = new Size(value, value);
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itemlistInstance();
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this.Invalidate();
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}
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}
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public Color HeadColor { get; set; }
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#endregion
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#region 重写属性
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[Category("Wen"), Description("是否显示复选框"), DefaultValue(false)]
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public new bool CheckBoxes { get => base.CheckBoxes; set => base.CheckBoxes = value; }
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public new ImageList SmallImageList { get; set; }
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[Category("Wen"), Description("项集合")]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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public new WenListViewItemCollection Items => items ?? (items = new WenListViewItemCollection(this));
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[Category("Wen"), Description("列集合")]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
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[Editor(typeof(Design.Editor.WenCollectionEditor), typeof(System.Drawing.Design.UITypeEditor))]
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public new WenListViewColumnHeaderCollection Columns => columns ?? (columns = new WenListViewColumnHeaderCollection(this));
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#endregion
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#region 委托
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public delegate void WenListViewItemEventHandler(object sender, WenListViewItemEventArgs e);
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public class WenListViewItemEventArgs: EventArgs
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{
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public WenListViewItemEventArgs(WenListViewItem wenListViewItem)
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{
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WenListViewItem = wenListViewItem;
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}
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public WenListViewItem WenListViewItem { get; set; }
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}
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[Category("Wen"), Description("Item 项鼠标点击事件")]
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public event WenListViewItemEventHandler WenListViewItemClick;
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#endregion
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#region 绑定数据
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private object dataSource { get; set; }
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[Browsable(false)]
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public object DataSource
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{
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get => dataSource;
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set
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{
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if (value != null)
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{
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dataSource = value;
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DataBind();
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}
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}
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}
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private void DataBind()
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{
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if (dataSource == null)
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return;
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this.Items.Clear();
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switch (dataSource)
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{
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case DataSet ds:
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DataBind(ds.Tables[0]);
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break;
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case DataTable dt:
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DataBind(dt);
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break;
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case IList ilist:
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{
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foreach (var li in ilist)
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{
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WenListViewItem item = new WenListViewItem(this)
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{
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Tag = ilist,
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ImageIndex = 0
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};
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foreach (WenColumnHeader cl in Columns)
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{
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List<System.Reflection.PropertyInfo> propertyInfos = new List<System.Reflection.PropertyInfo>(li.GetType().GetProperties());
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string value = propertyInfos
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.Find(a => a.Name.ToUpper() == cl.CloumnName.ToUpper())?.GetValue(li, null)?.ToString();
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item.Cells.Add(cl.CloumnName, value);
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if (Columns.IndexOf(cl) == 0)
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item.Text = value;
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else
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item.SubItems.Add(value);
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}
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Items.Add(item);
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}
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break;
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}
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}
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//绑定DataTable 数据
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void DataBind(DataTable dt)
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{
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foreach (DataRow dr in dt.Rows)
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{
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WenListViewItem item = new WenListViewItem(this)
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{
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Tag = dr,
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ImageIndex = 0
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};
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foreach (WenColumnHeader cl in Columns)
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{
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string value = dr[cl.CloumnName]?.ToString();
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item.Cells.Add(cl.CloumnName,value);
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if (Columns.IndexOf(cl) == 0)
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item.Text = value;
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else
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item.SubItems.Add(value);
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}
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Items.Add(item);
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}
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}
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}
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private ImageList itemlistInstance()
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{
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ImageList imageList = new ImageList() { ImageSize = itemIconSize };
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if (ItemIcon != null)
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imageList.Images.Add(ItemIcon);
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else
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imageList.Images.Add(Properties.Resources.itemImage);
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base.SmallImageList = imageList;
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return imageList;
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}
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#endregion
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#region 重绘项目
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protected override void OnDrawColumnHeader(DrawListViewColumnHeaderEventArgs e)
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{
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Graphics g = e.Graphics;
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g.SetGDIHigh();
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Rectangle rec = e.Bounds;
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using Brush b = new SolidBrush(Color.FromArgb(45, 45, 48));
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using Brush bstr = new SolidBrush(Color.FromArgb(199, 199, 199));
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using Pen p = new Pen(Color.FromArgb(199, 199, 199));
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//画背景
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g.FillRectangle(b, new Rectangle(rec.X , rec.Y, rec.Width, rec.Height - 1));
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//画分割线
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g.DrawLine(p, rec.X + rec.Width-1, rec.Y, rec.X + rec.Width-1, rec.Y + rec.Height);
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//画文字
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g.DrawString(e.Header.Text, this.Font, bstr, rec, ControlHelper.StringConters);
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}
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protected override void OnDrawItem(DrawListViewItemEventArgs e)
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{
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Graphics g = e.Graphics;
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g.ResetClip();
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g.SetGDIHigh();
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Rectangle rec = new Rectangle(0, e.Bounds.Y, this.Width, e.Bounds.Height);
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using Pen pen = new Pen(Color.FromArgb(70, 70, 70));
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g.DrawLine(pen, 0, rec.Y + rec.Height - 1, rec.Width, rec.Y + rec.Height - 1);
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}
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protected override void OnDrawSubItem(DrawListViewSubItemEventArgs e)
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{
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if (e.Item.ImageIndex < 0)
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{
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e.Item.ImageIndex = 0;
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}
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Graphics g = e.Graphics;
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g.SetGDIHigh();
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Rectangle rec = new Rectangle(e.Bounds.X, e.Bounds.Y, e.Bounds.Width+1, e.Bounds.Height);
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Rectangle recStr = rec;
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g.SetClip(new Rectangle(rec.X, rec.Y+1, rec.Width, rec.Height - 3));
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//当为最后一列数据时事件
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if (e.ColumnIndex + 1 == this.Columns.Count)
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{
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g.SetClip(new Rectangle(rec.X, rec.Y + 1, rec.Width - 1, rec.Height - 3));
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}
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using Brush bSelected = new SolidBrush(Color.FromArgb(63, 63, 70));
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using Brush bNone = new SolidBrush(Color.FromArgb(37,37,38));
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DrawBackdrop(g, rec);
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//画背景
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void DrawBackdrop(Graphics g,Rectangle rec)
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{
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if (e.Item.Selected)
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g.FillRectangle(bSelected, rec);//选中
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else
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g.FillRectangle(bNone, rec);//普通
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}
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//判定为第一列，画图标
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using Brush brush = new SolidBrush(this.ForeColor);
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Image image = e.Item.ImageList.Images[e.Item.ImageIndex];
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//获取文字宽度
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if (e.ColumnIndex == 0)
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{
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var numFormat = "d" + this.Items.Count.ToString().Length;
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int indexWidth = TextRenderer.MeasureText((e.ItemIndex + 1).ToString(numFormat), e.Item.Font).Width + 2;
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Rectangle recItemLine = new Rectangle(rec.X, rec.Y, indexWidth, rec.Height);
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Rectangle recImage = new Rectangle(rec.X + indexWidth + 3,
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rec.Y + (rec.Height - image.Height / 2) / 2,
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image.Width / 2,
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image.Height / 2);
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//重置绘制文字区域
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recStr = new Rectangle(recImage.X + recImage.Width + 3,
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rec.Y,
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rec.Width - recItemLine.Width - recImage.Width,
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rec.Height);
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if (this.CheckBoxes)
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{
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int checkWidth = 15;
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recItemLine.Offset(checkWidth, 0);
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recImage.Offset(checkWidth, 0);
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recStr.Offset(checkWidth, 0);
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int checkY = (rec.Height - checkWidth) / 2 + rec.Y;
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if (e.Item.Checked)
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{
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CheckBoxRenderer.DrawCheckBox(g,
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new Point(rec.X, checkY),
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System.Windows.Forms.VisualStyles.CheckBoxState.CheckedNormal);
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}
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else
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{
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CheckBoxRenderer.DrawCheckBox(g,
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new Point(rec.X, checkY),
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System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedNormal);
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}
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}
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g.DrawImage(image, recImage);
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g.DrawString((e.ItemIndex + 1).ToString(numFormat), e.Item.Font, brush, recItemLine, ControlHelper.StringConters);
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}
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g.DrawString(e.SubItem.Text, e.Item.Font, brush, recStr, ControlHelper.StringConters);
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}
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#endregion
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#region 项点击事件
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protected override void OnMouseClick(MouseEventArgs e)
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{
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base.OnMouseClick(e);
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if(GetItemAt(e.X, e.Y) is WenListViewItem item)
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{
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WenListViewItemClick?.Invoke(this, new WenListViewItemEventArgs(item));
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}
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}
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#endregion
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#region 空白区域美化
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protected override void CreateHandle()
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{
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base.CreateHandle();
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if (headerNativeWindow == null)
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{
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headerNativeWindow = new HeaderNativeWindow(this);
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}
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}
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protected override void DestroyHandle()
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{
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base.DestroyHandle();
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if (headerNativeWindow != null)
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{
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headerNativeWindow = null;
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}
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}
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IntPtr headerWnd => WindowsAPI.FindWindowEx(this.Handle, IntPtr.Zero, "SysHeader32", null);
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private Rectangle HeaderEndRect()
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{
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RECT rect = new RECT();
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RECT rect2 = new RECT();
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WindowsAPI.SendMessage(headerWnd, 0x1207, Columns.Count - 1, ref rect);
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WindowsAPI.GetWindowRect(headerWnd, ref rect2);
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return new Rectangle(rect.X + rect.Width , rect.Y, this.Width - (rect.X + rect.Width), rect.Height);
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}
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HeaderNativeWindow headerNativeWindow;
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private class HeaderNativeWindow : NativeWindow
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{
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public WenListView owner;
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IntPtr header;
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public HeaderNativeWindow(WenListView owner)
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{
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this.owner = owner;
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header = owner.headerWnd;
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base.AssignHandle(header);
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}
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protected override void WndProc(ref Message m)
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{
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base.WndProc(ref m);
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if (m.Msg == 0xF || m.Msg == 0x47)
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{
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IntPtr hdc = WindowsAPI.GetDC(m.HWnd);
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try
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{
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using Graphics g = Graphics.FromHdc(hdc);
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Rectangle rec = owner.HeaderEndRect();
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owner.ReHeader(g, rec);
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}
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finally
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{
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WindowsAPI.ReleaseDC(m.HWnd, hdc);
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}
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}
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}
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}
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private void ReHeader(Graphics g, Rectangle rec)
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{
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g.FillRectangle(new SolidBrush(Color.FromArgb(45, 45, 48)), rec);
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}
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#endregion
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public class WenListViewColumnHeaderCollection : ColumnHeaderCollection
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{
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private readonly WenListView owner;
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public WenListViewColumnHeaderCollection(WenListView owner) : base(owner)
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{
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this.owner = owner;
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}
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public new WenColumnHeader this[string key]
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{
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get
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{
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foreach (WenColumnHeader item in this)
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{
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if (item.Text.ToUpper() == key.ToUpper())
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{
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return item;
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}
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}
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return null;
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}
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}
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public void Add(WenColumnHeader value)
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{
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base.Add(value);
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}
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public void AddRange(WenColumnHeader[] values)
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{
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base.AddRange(values);
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}
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}
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public class WenListViewItemCollection : ListViewItemCollection
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{
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public WenListViewItemCollection(WenListView owner) : base(owner)
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{
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}
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public new WenListViewItem this[int index] => (base[index] is WenListViewItem item) ? item : null;
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public void Add(WenListViewItem value)
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{
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base.Add(value);
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}
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}
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}
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}
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