816 lines
29 KiB
C#
816 lines
29 KiB
C#
// ***********************************************************************
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// Assembly : JinYuan.ControlLib
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// Created : 08-09-2019
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//
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// ***********************************************************************
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// <copyright file="UCDataGridView.cs">
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// Copyright by Huang Zhenghui(黄正辉) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com
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// </copyright>
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//
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// Blog: https://www.cnblogs.com/bfyx
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// GitHub：https://github.com/kwwwvagaa/NetWinformControl
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// gitee：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
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//
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// If you use this code, please keep this note.
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// ***********************************************************************
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using JinYuan.ControlLib.UCHelper;
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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.Linq;
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using System.Windows.Forms;
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namespace JinYuan.ControlLib
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{
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/// <summary>
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/// Class UCDataGridView.
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/// Implements the <see cref="System.Windows.Forms.UserControl" />
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/// </summary>
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/// <seealso cref="System.Windows.Forms.UserControl" />
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public partial class UCDataGridView : UserControl
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{
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#region 属性
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/// <summary>
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/// The m head pading left
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/// </summary>
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private int m_headPadingLeft = 0;
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/// <summary>
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/// Gets or sets the head pading left.
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/// </summary>
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/// <value>The head pading left.</value>
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[Description("标题左侧间距"), Category("自定义")]
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public int HeadPadingLeft
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{
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get { return m_headPadingLeft; }
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set
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{
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m_headPadingLeft = value;
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this.panHeadLeft.Width = m_headPadingLeft;
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}
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}
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/// <summary>
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/// The m head font
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/// </summary>
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private Font m_headFont = new Font("微软雅黑", 12F);
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/// <summary>
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/// 标题字体
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/// </summary>
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/// <value>The head font.</value>
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[Description("标题字体"), Category("自定义")]
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public Font HeadFont
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{
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get { return m_headFont; }
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set { m_headFont = value; }
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}
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/// <summary>
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/// The m head text color
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/// </summary>
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private Color m_headTextColor = Color.Black;
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/// <summary>
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/// 标题字体颜色
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/// </summary>
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/// <value>The color of the head text.</value>
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[Description("标题文字颜色"), Category("自定义")]
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public Color HeadTextColor
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{
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get { return m_headTextColor; }
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set { m_headTextColor = value; }
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}
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/// <summary>
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/// The m is show head
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/// </summary>
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private bool m_isShowHead = true;
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/// <summary>
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/// 是否显示标题
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/// </summary>
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/// <value><c>true</c> if this instance is show head; otherwise, <c>false</c>.</value>
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[Description("是否显示标题"), Category("自定义")]
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public bool IsShowHead
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{
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get { return m_isShowHead; }
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set
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{
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if (m_isShowHead != value)
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{
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m_isShowHead = value;
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panHead.Visible = value;
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if (value)
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{
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this.panRow.Location = new Point(0, panHead.Height);
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this.panRow.Height = this.panRow.Height - panHead.Height;
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}
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else
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{
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this.panRow.Location = new Point(0, 0);
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this.panRow.Height = this.panRow.Height + panHead.Height;
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}
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}
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}
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}
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/// <summary>
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/// The m head height
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/// </summary>
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private int m_headHeight = 40;
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/// <summary>
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/// 标题高度
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/// </summary>
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/// <value>The height of the head.</value>
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[Description("标题高度"), Category("自定义")]
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public int HeadHeight
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{
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get { return m_headHeight; }
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set
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{
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m_headHeight = value;
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panHead.Height = value;
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this.Padding = new Padding(0, value, 0, 0);
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}
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}
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/// <summary>
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/// The m is show CheckBox
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/// </summary>
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private bool m_isShowCheckBox = false;
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/// <summary>
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/// 是否显示复选框
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/// </summary>
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/// <value><c>true</c> if this instance is show CheckBox; otherwise, <c>false</c>.</value>
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[Description("是否显示选择框"), Category("自定义")]
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public bool IsShowCheckBox
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{
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get { return m_isShowCheckBox; }
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set
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{
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if (value != m_isShowCheckBox)
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{
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m_isShowCheckBox = value;
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LoadColumns();
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}
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}
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}
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/// <summary>
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/// The m row height
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/// </summary>
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private int m_rowHeight = 40;
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/// <summary>
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/// 行高
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/// </summary>
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/// <value>The height of the row.</value>
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[Description("数据行高"), Category("自定义")]
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public int RowHeight
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{
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get { return m_rowHeight; }
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set { m_rowHeight = value; }
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}
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/// <summary>
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/// Gets the show count.
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/// </summary>
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/// <value>The show count.</value>
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[Description("当前高度可显示行个数"), Category("自定义")]
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public int ShowCount
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{
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get
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{
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return this.panRow.Height / (m_rowHeight);
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}
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}
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/// <summary>
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/// The m columns
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/// </summary>
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private List<DataGridViewColumnEntity> m_columns = null;
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/// <summary>
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/// 列
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/// </summary>
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/// <value>The columns.</value>
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[Description("列"), Category("自定义")]
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public List<DataGridViewColumnEntity> Columns
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{
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get { return m_columns; }
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set
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{
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m_columns = value;
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LoadColumns();
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}
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}
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/// <summary>
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/// The m data source
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/// </summary>
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private object m_dataSource = null;
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/// <summary>
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/// 数据源,支持列表或table，如果使用翻页控件，请使用翻页控件的DataSource
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/// </summary>
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/// <value>The data source.</value>
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/// <exception cref="Exception">数据源不是有效的数据类型，请使用Datatable或列表</exception>
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/// <exception cref="System.Exception">数据源不是有效的数据类型，请使用Datatable或列表</exception>
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[Description("数据源,支持列表或table，如果使用翻页控件，请使用翻页控件的DataSource"), Category("自定义")]
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public object DataSource
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{
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get { return m_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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if (!(value is DataTable) && (!typeof(IList).IsAssignableFrom(value.GetType())))
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{
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throw new Exception("数据源不是有效的数据类型，请使用Datatable或列表");
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}
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}
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m_dataSource = value;
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if (m_columns != null && m_columns.Count > 0)
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{
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ReloadSource();
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}
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if (BindingSourceEvent != null)
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{
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BindingSourceEvent(this, null);
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}
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}
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}
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/// <summary>
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/// Gets the rows.
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/// </summary>
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/// <value>The rows.</value>
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public List<IDataGridViewRow> Rows { get; private set; }
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/// <summary>
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/// The m row type
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/// </summary>
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private Type m_rowType = typeof(UCDataGridViewRow);
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/// <summary>
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/// 行元素类型，默认UCDataGridViewItem
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/// </summary>
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/// <value>The type of the row.</value>
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/// <exception cref="Exception">行控件没有实现IDataGridViewRow接口</exception>
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/// <exception cref="System.Exception">行控件没有实现IDataGridViewRow接口</exception>
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[Description("行控件类型，默认UCDataGridViewRow，如果不满足请自定义行控件实现接口IDataGridViewRow"), Category("自定义")]
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public Type RowType
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{
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get { return m_rowType; }
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set
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{
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if (value == null)
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return;
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if (!typeof(IDataGridViewRow).IsAssignableFrom(value) || !value.IsSubclassOf(typeof(Control)))
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throw new Exception("行控件没有实现IDataGridViewRow接口");
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m_rowType = value;
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if (m_columns != null && m_columns.Count > 0)
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ReloadSource();
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}
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}
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/// <summary>
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/// The m select row
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/// </summary>
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IDataGridViewRow m_selectRow = null;
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/// <summary>
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/// 选中的节点
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/// </summary>
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/// <value>The select row.</value>
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[Description("选中行"), Category("自定义")]
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public IDataGridViewRow SelectRow
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{
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get { return m_selectRow; }
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private set { m_selectRow = value; }
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}
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/// <summary>
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/// 选中的行，如果显示CheckBox，则以CheckBox选中为准
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/// </summary>
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/// <value>The select rows.</value>
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[Description("选中的行，如果显示CheckBox，则以CheckBox选中为准"), Category("自定义")]
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public List<IDataGridViewRow> SelectRows
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{
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get
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{
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return GetSelectRows();
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}
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}
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/// <summary>
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/// Gets the select rows.
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/// </summary>
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/// <returns>List<IDataGridViewRow>.</returns>
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private List<IDataGridViewRow> GetSelectRows()
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{
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List<IDataGridViewRow> lst = new List<IDataGridViewRow>();
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if (m_isShowCheckBox)
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{
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if (Rows != null && Rows.Count > 0)
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lst.AddRange(Rows.FindAll(p => p.IsChecked));
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}
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else
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{
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if (m_selectRow != null)
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lst.AddRange(new List<IDataGridViewRow>() { m_selectRow });
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}
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if (Rows != null && Rows.Count > 0 && m_rowType == typeof(UCDataGridViewTreeRow))
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{
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foreach (UCDataGridViewTreeRow row in Rows)
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{
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lst.AddRange(FindTreeRowSelected(row));
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}
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}
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return lst;
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}
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private List<IDataGridViewRow> FindTreeRowSelected(UCDataGridViewTreeRow row)
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{
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List<IDataGridViewRow> lst = new List<IDataGridViewRow>();
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var _lst = row.ChildrenRows.FindAll(p => p.IsChecked);
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lst.AddRange(_lst);
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foreach (UCDataGridViewTreeRow _row in row.ChildrenRows)
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{
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lst.AddRange(FindTreeRowSelected(_row));
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}
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return lst;
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}
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/// <summary>
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/// Finds the child grid.
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/// </summary>
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/// <param name="c">The c.</param>
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/// <returns>UCDataGridView.</returns>
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private UCDataGridView FindChildGrid(Control c)
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{
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foreach (Control item in c.Controls)
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{
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if (item is UCDataGridView)
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return item as UCDataGridView;
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else if (item.Controls.Count > 0)
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{
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var grid = FindChildGrid(item);
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if (grid != null)
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return grid;
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}
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}
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return null;
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}
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[Bindable(false)]
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[Browsable(false)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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[EditorBrowsable(EditorBrowsableState.Never)]
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public override bool AutoScroll
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{
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get
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{
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return base.AutoScroll;
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}
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set
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{
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base.AutoScroll = value;
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}
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}
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#region 事件
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/// <summary>
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/// The head CheckBox change event
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/// </summary>
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[Description("选中标题选择框事件"), Category("自定义")]
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public EventHandler HeadCheckBoxChangeEvent;
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/// <summary>
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/// The head column click event
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/// </summary>
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[Description("标题点击事件"), Category("自定义")]
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public EventHandler HeadColumnClickEvent;
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/// <summary>
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/// Occurs when [item click].
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/// </summary>
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[Description("项点击事件"), Category("自定义")]
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public event DataGridViewEventHandler ItemClick;
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/// <summary>
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/// Occurs when [source changed].
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/// </summary>
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[Description("行数据源改变事件"), Category("自定义")]
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public event DataGridViewEventHandler RowSourceChangedEvent;
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/// <summary>
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/// Occurs when [row custom event].
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/// </summary>
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[Description("预留的自定义的事件，比如你需要在行上放置删改等按钮时，可以通过此事件传递出来"), Category("自定义")]
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public event DataGridViewRowCustomEventHandler RowCustomEvent;
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[Description("绑定数据源后事件"), Category("自定义")]
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public event EventHandler BindingSourceEvent;
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#endregion
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#endregion
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/// <summary>
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/// Initializes a new instance of the <see cref="UCDataGridView" /> class.
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/// </summary>
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public UCDataGridView()
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{
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InitializeComponent();
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}
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#region 私有方法
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#region 加载column
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/// <summary>
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/// 功能描述:加载column
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/// 作 者:HZH
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/// 创建日期:2019-08-08 17:51:50
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/// 任务编号:POS
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/// </summary>
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private void LoadColumns()
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{
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try
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{
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if (DesignMode)
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{ return; }
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ControlHelper.FreezeControl(this.panHead, true);
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this.panRow.Controls.Clear();
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this.panColumns.Controls.Clear();
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this.panColumns.ColumnStyles.Clear();
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if (m_columns != null && m_columns.Count() > 0)
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{
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int _width = 0;
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m_columns.ForEach(p =>
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{
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if (p.WidthType == SizeType.Absolute)
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{
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_width += p.Width;
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}
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else if (p.WidthType == SizeType.Percent)
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{
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_width += (int)((p.Width / 100f) * this.Width);
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}
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});
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if (m_isShowCheckBox)
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_width += 30;
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if (_width > this.Width)
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{
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//this.panRow.Width = _width;
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this.panHead.Width = _width;
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}
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else
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{
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if (m_columns.Any(p => p.WidthType == SizeType.AutoSize))
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{
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//this.panRow.Width = this.Width;
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this.panHead.Width = this.Width;
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}
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else
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{
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//this.panRow.Width = _width;
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this.panHead.Width = _width;
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}
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}
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m_columns.FindAll(p => p.WidthType == SizeType.Absolute);
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m_columns.FindAll(p => p.WidthType == SizeType.Percent);
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int intColumnsCount = m_columns.Count();
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if (m_isShowCheckBox)
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{
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intColumnsCount++;
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}
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this.panColumns.ColumnCount = intColumnsCount;
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for (int i = 0; i < intColumnsCount; i++)
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{
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Control c = null;
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if (i == 0 && m_isShowCheckBox)
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{
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this.panColumns.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(SizeType.Absolute, 30F));
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UCCheckBox box = new UCCheckBox();
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box.TextValue = "";
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box.Size = new Size(30, 30);
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box.CheckedChangeEvent += (a, b) =>
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{
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Rows.ForEach(p => p.IsChecked = box.Checked);
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if (HeadCheckBoxChangeEvent != null)
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{
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HeadCheckBoxChangeEvent(a, b);
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}
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};
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c = box;
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}
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else
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{
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var item = m_columns[i - (m_isShowCheckBox ? 1 : 0)];
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this.panColumns.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(item.WidthType, item.Width));
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Label lbl = new Label();
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lbl.Name = "dgvColumns_" + i;
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lbl.Text = item.HeadText;
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lbl.Font = m_headFont;
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lbl.ForeColor = m_headTextColor;
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lbl.TextAlign = ContentAlignment.MiddleCenter;
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lbl.AutoSize = false;
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lbl.Dock = DockStyle.Fill;
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lbl.MouseDown += (a, b) =>
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{
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if (HeadColumnClickEvent != null)
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{
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HeadColumnClickEvent(a, b);
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}
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};
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c = lbl;
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}
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this.panColumns.Controls.Add(c, i, 0);
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}
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}
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}
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finally
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{
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ControlHelper.FreezeControl(this.panHead, false);
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}
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}
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#endregion
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#endregion
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#region 公共函数
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/// <summary>
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/// 刷新数据
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/// </summary>
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public void ReloadSource()
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{
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if (DesignMode)
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{ return; }
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try
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{
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ControlHelper.FreezeControl(this, true);
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panHead.Location = new Point(0, 0);
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Rows = new List<IDataGridViewRow>();
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if (m_columns == null || m_columns.Count <= 0)
|
||
return;
|
||
if (m_dataSource != null)
|
||
{
|
||
int intIndex = 0;
|
||
|
||
int intSourceCount = 0;
|
||
if (m_dataSource is DataTable)
|
||
{
|
||
intSourceCount = (m_dataSource as DataTable).Rows.Count;
|
||
}
|
||
else if (typeof(IList).IsAssignableFrom(m_dataSource.GetType()))
|
||
{
|
||
intSourceCount = (m_dataSource as IList).Count;
|
||
}
|
||
|
||
foreach (Control item in this.panRow.Controls)
|
||
{
|
||
if (intIndex >= intSourceCount)
|
||
{
|
||
item.Visible = false;
|
||
}
|
||
else
|
||
{
|
||
var row = (item as IDataGridViewRow);
|
||
row.IsShowCheckBox = m_isShowCheckBox;
|
||
if (m_dataSource is DataTable)
|
||
{
|
||
row.DataSource = (m_dataSource as DataTable).Rows[intIndex];
|
||
}
|
||
else
|
||
{
|
||
row.DataSource = (m_dataSource as IList)[intIndex];
|
||
}
|
||
row.BindingCellData();
|
||
if (row.RowHeight != m_rowHeight)
|
||
row.RowHeight = m_rowHeight;
|
||
item.Visible = true;
|
||
item.Width = panHead.Width;
|
||
|
||
Rows.Add(row);
|
||
row.RowIndex = Rows.IndexOf(row);
|
||
}
|
||
intIndex++;
|
||
}
|
||
|
||
if (intIndex < intSourceCount)
|
||
{
|
||
for (int i = intIndex; i < intSourceCount; i++)
|
||
{
|
||
IDataGridViewRow row = (IDataGridViewRow)Activator.CreateInstance(m_rowType);
|
||
if (m_dataSource is DataTable)
|
||
{
|
||
row.DataSource = (m_dataSource as DataTable).Rows[i];
|
||
}
|
||
else
|
||
{
|
||
row.DataSource = (m_dataSource as IList)[i];
|
||
}
|
||
row.Columns = m_columns;
|
||
List<Control> lstCells = new List<Control>();
|
||
row.IsShowCheckBox = m_isShowCheckBox;
|
||
row.ReloadCells();
|
||
row.BindingCellData();
|
||
|
||
Control rowControl = (row as Control);
|
||
rowControl.Width = panHead.Width;
|
||
row.RowHeight = m_rowHeight;
|
||
row.CellClick += (a, b) => { this.FindForm().ActiveControl = this; rowControl.Focus(); SetSelectRow(rowControl, b); };
|
||
row.CheckBoxChangeEvent += (a, b) => { SetSelectRow(rowControl, b); };
|
||
row.RowCustomEvent += (a, b) => { if (RowCustomEvent != null) { RowCustomEvent(a, b); } };
|
||
row.SourceChanged += RowSourceChanged;
|
||
Rows.Add(row);
|
||
row.RowIndex = Rows.IndexOf(row);
|
||
this.panRow.Controls.Add(rowControl);
|
||
|
||
}
|
||
}
|
||
|
||
//this.panRow.Height = intSourceCount * RowHeight;
|
||
}
|
||
else
|
||
{
|
||
foreach (Control item in this.panRow.Controls)
|
||
{
|
||
item.Visible = false;
|
||
}
|
||
}
|
||
}
|
||
finally
|
||
{
|
||
ControlHelper.FreezeControl(this, false);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 快捷键
|
||
/// </summary>
|
||
/// <param name="msg">通过引用传递的 <see cref="T:System.Windows.Forms.Message" />，它表示要处理的窗口消息。</param>
|
||
/// <param name="keyData"><see cref="T:System.Windows.Forms.Keys" /> 值之一，它表示要处理的键。</param>
|
||
/// <returns>如果字符已由控件处理，则为 true；否则为 false。</returns>
|
||
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
|
||
{
|
||
if (keyData == Keys.Up)
|
||
{
|
||
Previous();
|
||
}
|
||
else if (keyData == Keys.Down)
|
||
{
|
||
Next();
|
||
}
|
||
else if (keyData == Keys.Home)
|
||
{
|
||
First();
|
||
}
|
||
else if (keyData == Keys.End)
|
||
{
|
||
End();
|
||
}
|
||
return base.ProcessCmdKey(ref msg, keyData);
|
||
}
|
||
/// <summary>
|
||
/// 选中第一个
|
||
/// </summary>
|
||
public void First()
|
||
{
|
||
if (Rows == null || Rows.Count <= 0)
|
||
return;
|
||
Control c = null;
|
||
c = (Rows[0] as Control);
|
||
SetSelectRow(c, new DataGridViewEventArgs() { RowIndex = 0 });
|
||
}
|
||
/// <summary>
|
||
/// 选中上一个
|
||
/// </summary>
|
||
public void Previous()
|
||
{
|
||
if (Rows == null || Rows.Count <= 0)
|
||
return;
|
||
Control c = null;
|
||
|
||
int index = Rows.IndexOf(m_selectRow);
|
||
if (index - 1 >= 0)
|
||
{
|
||
c = (Rows[index - 1] as Control);
|
||
SetSelectRow(c, new DataGridViewEventArgs() { RowIndex = index - 1 });
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 选中下一个
|
||
/// </summary>
|
||
public void Next()
|
||
{
|
||
if (Rows == null || Rows.Count <= 0)
|
||
return;
|
||
Control c = null;
|
||
|
||
int index = Rows.IndexOf(m_selectRow);
|
||
if (index + 1 < Rows.Count)
|
||
{
|
||
c = (Rows[index + 1] as Control);
|
||
SetSelectRow(c, new DataGridViewEventArgs() { RowIndex = index + 1 });
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 选中最后一个
|
||
/// </summary>
|
||
public void End()
|
||
{
|
||
if (Rows == null || Rows.Count <= 0)
|
||
return;
|
||
Control c = null;
|
||
c = (Rows[Rows.Count - 1] as Control);
|
||
SetSelectRow(c, new DataGridViewEventArgs() { RowIndex = Rows.Count - 1 });
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region 事件
|
||
/// <summary>
|
||
/// Rows the source changed.
|
||
/// </summary>
|
||
/// <param name="sender">The sender.</param>
|
||
/// <param name="e">The <see cref="DataGridViewEventArgs" /> instance containing the event data.</param>
|
||
void RowSourceChanged(object sender, DataGridViewEventArgs e)
|
||
{
|
||
if (RowSourceChangedEvent != null)
|
||
RowSourceChangedEvent(sender, e);
|
||
}
|
||
/// <summary>
|
||
/// Sets the select row.
|
||
/// </summary>
|
||
/// <param name="item">The item.</param>
|
||
/// <param name="e">The <see cref="DataGridViewEventArgs" /> instance containing the event data.</param>
|
||
private void SetSelectRow(Control item, DataGridViewEventArgs e)
|
||
{
|
||
try
|
||
{
|
||
ControlHelper.FreezeControl(this, true);
|
||
if (item == null)
|
||
return;
|
||
if (item.Visible == false)
|
||
return;
|
||
this.FindForm().ActiveControl = this;
|
||
this.FindForm().ActiveControl = item;
|
||
if (m_selectRow != item)
|
||
{
|
||
if (m_selectRow != null)
|
||
{
|
||
m_selectRow.SetSelect(false);
|
||
}
|
||
m_selectRow = item as IDataGridViewRow;
|
||
m_selectRow.SetSelect(true);
|
||
|
||
if (this.panRow.Controls.Count > 0)
|
||
{
|
||
if (item.Location.Y < 0)
|
||
{
|
||
this.panRow.AutoScrollPosition = new Point(0, Math.Abs(this.panRow.Controls[this.panRow.Controls.Count - 1].Location.Y) + item.Location.Y);
|
||
}
|
||
else if (item.Location.Y + m_rowHeight > this.panRow.Height)
|
||
{
|
||
this.panRow.AutoScrollPosition = new Point(0, Math.Abs(this.panRow.AutoScrollPosition.Y) + item.Location.Y - this.panRow.Height + m_rowHeight);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
if (ItemClick != null)
|
||
{
|
||
ItemClick(item, e);
|
||
}
|
||
}
|
||
finally
|
||
{
|
||
ControlHelper.FreezeControl(this, false);
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
private void UCDataGridView_SizeChanged(object sender, EventArgs e)
|
||
{
|
||
//LoadColumns();
|
||
//ReloadSource();
|
||
}
|
||
|
||
private void UCDataGridView_Scroll(object sender, ScrollEventArgs e)
|
||
{
|
||
//if (e.ScrollOrientation == ScrollOrientation.VerticalScroll)
|
||
//{
|
||
// panHead.Location = new Point(0, this.VerticalScroll.Value + this.panRow.Location.Y - panHead.Height - 2);
|
||
//}
|
||
}
|
||
|
||
private void panRow_Scroll(object sender, ScrollEventArgs e)
|
||
{
|
||
if (e.ScrollOrientation == ScrollOrientation.HorizontalScroll && this.panRow.Controls.Count > 0)
|
||
{
|
||
Console.WriteLine(this.panRow.HorizontalScroll.Value);
|
||
Console.WriteLine(this.panRow.Controls[0].Location.X);
|
||
panHead.Location = new Point(this.panRow.HorizontalScroll.Value * -1, 0);
|
||
}
|
||
}
|
||
}
|
||
}
|