477 lines
17 KiB
C#
477 lines
17 KiB
C#
// ***********************************************************************
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// Assembly : JinYuan.ControlLib
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// Created : 08-23-2019
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//
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// ***********************************************************************
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// <copyright file="UCDataGridViewTreeRow.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 System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Collections;
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using JinYuan.ControlLib.UCHelper;
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namespace JinYuan.ControlLib
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{
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/// <summary>
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/// Class UCDataGridViewTreeRow.
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/// Implements the <see cref="System.Windows.Forms.UserControl" />
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/// Implements the <see cref="JinYuan.ControlLib.Controls.IDataGridViewRow" />
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/// </summary>
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/// <seealso cref="System.Windows.Forms.UserControl" />
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/// <seealso cref="JinYuan.ControlLib.Controls.IDataGridViewRow" />
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[ToolboxItem(false)]
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public partial class UCDataGridViewTreeRow : UserControl, IDataGridViewRow
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{
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#region 属性
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/// <summary>
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/// CheckBox选中事件
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/// </summary>
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public event DataGridViewEventHandler CheckBoxChangeEvent;
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/// <summary>
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/// 点击单元格事件
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/// </summary>
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public event DataGridViewEventHandler CellClick;
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/// <summary>
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/// 数据源改变事件
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/// </summary>
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public event DataGridViewEventHandler SourceChanged;
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/// <summary>
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/// Occurs when [row custom event].
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/// </summary>
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public event DataGridViewRowCustomEventHandler RowCustomEvent;
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/// <summary>
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/// 列参数，用于创建列数和宽度
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/// </summary>
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/// <value>The columns.</value>
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public List<DataGridViewColumnEntity> Columns
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{
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get;
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set;
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}
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/// <summary>
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/// 数据源
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/// </summary>
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/// <value>The data source.</value>
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public object DataSource
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{
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get;
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set;
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}
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private int rowLevel = 0;
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/// <summary>
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/// 折叠的第几层，用于缩进
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/// </summary>
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public int RowLevel
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{
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get { return rowLevel; }
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set
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{
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rowLevel = value;
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this.Padding = new Padding(this.panLeft.Width / 2 * value, this.Padding.Top, this.panLeft.Right, this.Padding.Bottom);
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this.ucSplitLine_V1.Visible = value > 0;
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}
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}
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/// <summary>
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/// 行号，树状图目前没有给予行号
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/// </summary>
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/// <value>The Index of the row.</value>
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public int RowIndex { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether this instance is show CheckBox.
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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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public bool IsShowCheckBox
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{
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get;
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set;
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}
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/// <summary>
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/// The m is checked
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/// </summary>
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private bool m_isChecked;
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/// <summary>
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/// 是否选中
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/// </summary>
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/// <value><c>true</c> if this instance is checked; otherwise, <c>false</c>.</value>
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public bool IsChecked
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{
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get
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{
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return m_isChecked;
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}
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set
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{
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if (m_isChecked != value)
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{
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m_isChecked = value;
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(this.panCells.Controls.Find("check", false)[0] as UCCheckBox).Checked = value;
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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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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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public int RowHeight
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{
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get
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{
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return m_rowHeight;
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}
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set
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{
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m_rowHeight = value;
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this.Height = value;
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}
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}
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private List<UCDataGridViewTreeRow> childrenRows = new List<UCDataGridViewTreeRow>();
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public List<UCDataGridViewTreeRow> ChildrenRows
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{
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get { return childrenRows; }
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set { childrenRows = value; }
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}
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private bool? isOpened = false;
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/// <summary>
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/// 是否打开状态
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/// </summary>
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public bool? IsOpened
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{
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get { return isOpened; }
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set
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{
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isOpened = value;
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if (value.HasValue)
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{
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panLeft.Enabled = true;
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if (value.Value)
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{
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panLeft.BackgroundImage = Properties.Resources.caret_down;
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}
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else
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{
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panLeft.BackgroundImage = Properties.Resources.caret_right;
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}
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}
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else
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{
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panLeft.BackgroundImage = null;
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panLeft.Enabled = false;
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}
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}
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}
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#endregion
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/// <summary>
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/// Initializes a new instance of the <see cref="UCDataGridViewTreeRow" /> class.
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/// </summary>
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public UCDataGridViewTreeRow()
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{
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InitializeComponent();
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}
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/// <summary>
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/// 绑定数据到Cell
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/// </summary>
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public void BindingCellData()
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{
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for (int i = 0; i < Columns.Count; i++)
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{
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DataGridViewColumnEntity com = Columns[i];
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var cs = this.panCells.Controls.Find("lbl_" + com.DataField, false);
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if (cs != null && cs.Length > 0)
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{
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var pro = DataSource.GetType().GetProperty(com.DataField);
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if (pro != null)
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{
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var value = pro.GetValue(DataSource, null);
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if (com.Format != null)
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{
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cs[0].Text = com.Format(value);
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}
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else
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{
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cs[0].Text = value.ToStringExt();
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}
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}
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}
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}
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foreach (Control item in this.panCells.Controls)
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{
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if (item is IDataGridViewCustomCell)
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{
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IDataGridViewCustomCell cell = item as IDataGridViewCustomCell;
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cell.RowCustomEvent += cell_RowCustomEvent;
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cell.SetBindSource(DataSource);
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}
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}
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IsOpened = false;
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var proChildrens = DataSource.GetType().GetProperty("Childrens");
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if (proChildrens != null)
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{
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var value = proChildrens.GetValue(DataSource, null);
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if (value != null)
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{
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}
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else
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{
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IsOpened = null;
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}
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}
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else
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{
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IsOpened = null;
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}
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}
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void cell_RowCustomEvent(object sender, DataGridViewRowCustomEventArgs e)
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{
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if (RowCustomEvent != null)
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RowCustomEvent(sender, e);
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}
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/// <summary>
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/// Handles the MouseDown event of the Item control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="MouseEventArgs" /> instance containing the event data.</param>
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void Item_MouseDown(object sender, MouseEventArgs e)
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{
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if (CellClick != null)
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{
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CellClick(this, new DataGridViewEventArgs()
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{
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CellControl = this,
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CellIndex = (sender as Control).Tag.ToInt()
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});
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}
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}
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/// <summary>
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/// 设置选中状态，通常为设置颜色即可
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/// </summary>
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/// <param name="blnSelected">是否选中</param>
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public void SetSelect(bool blnSelected)
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{
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if (blnSelected)
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{
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this.panMain.BackColor = Color.FromArgb(255, 247, 245);
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}
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else
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{
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this.panMain.BackColor = Color.Transparent;
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}
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}
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/// <summary>
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/// 添加单元格元素，仅做添加控件操作，不做数据绑定，数据绑定使用BindingCells
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/// </summary>
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public void ReloadCells()
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{
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try
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{
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ControlHelper.FreezeControl(this, true);
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this.panCells.Controls.Clear();
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this.panCells.ColumnStyles.Clear();
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int intColumnsCount = Columns.Count();
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if (Columns != null && intColumnsCount > 0)
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{
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if (IsShowCheckBox)
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{
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intColumnsCount++;
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}
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this.panCells.ColumnCount = intColumnsCount;
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bool blnFirst = true;
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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 && IsShowCheckBox)
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{
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this.panCells.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(SizeType.Absolute, 30F));
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UCCheckBox box = new UCCheckBox();
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box.Name = "check";
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box.TextValue = "";
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box.Size = new Size(30, 30);
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box.Dock = DockStyle.Fill;
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box.CheckedChangeEvent += box_CheckedChangeEvent;
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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 = Columns[i - (IsShowCheckBox ? 1 : 0)];
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var w = item.Width - (blnFirst ? (this.panLeft.Width / 2 * rowLevel) : 0);
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if (w < 5)
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w = 5;
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this.panCells.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(item.WidthType, w));
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blnFirst = false;
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if (item.CustomCellType == null)
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{
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Label lbl = new Label();
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lbl.Tag = i - (IsShowCheckBox ? 1 : 0);
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lbl.Name = "lbl_" + item.DataField;
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lbl.Font = new Font("微软雅黑", 12);
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lbl.ForeColor = Color.Black;
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lbl.AutoSize = false;
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lbl.Dock = DockStyle.Fill;
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lbl.TextAlign = item.TextAlign;
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lbl.MouseDown += (a, b) =>
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{
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Item_MouseDown(a, b);
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};
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c = lbl;
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}
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else
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{
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Control cc = (Control)Activator.CreateInstance(item.CustomCellType);
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cc.Dock = DockStyle.Fill;
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c = cc;
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}
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}
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this.panCells.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, false);
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}
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}
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void box_CheckedChangeEvent(object sender, EventArgs e)
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{
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IsChecked = ((UCCheckBox)sender).Checked;
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}
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/// <summary>
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/// Handles the MouseDown event of the panLeft control.
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/// </summary>
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/// <param name="sender">The source of the event.</param>
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/// <param name="e">The <see cref="MouseEventArgs" /> instance containing the event data.</param>
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private void panLeft_MouseDown(object sender, MouseEventArgs e)
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{
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try
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{
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if (!IsOpened.HasValue)
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return;
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ControlHelper.FreezeControl(this.FindForm(), true);
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if (!IsOpened.Value)
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{
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IsOpened = !IsOpened;
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if (childrenRows.Count > 0)
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{
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childrenRows.ForEach(p =>
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{
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p.IsChecked = IsChecked;
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p.Visible = true;
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});
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}
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else
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{
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var proChildrens = DataSource.GetType().GetProperty("Childrens");
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if (proChildrens != null)
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{
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var value = proChildrens.GetValue(DataSource, null);
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int intSourceCount = 0;
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if (value is DataTable)
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{
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intSourceCount = (value as DataTable).Rows.Count;
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}
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else if (typeof(IList).IsAssignableFrom(value.GetType()))
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{
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intSourceCount = (value as IList).Count;
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}
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for (int i = intSourceCount - 1; i >= 0; i--)
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{
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UCDataGridViewTreeRow row = new UCDataGridViewTreeRow();
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if (value is DataTable)
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{
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row.DataSource = (value as DataTable).Rows[i];
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}
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else
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{
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row.DataSource = (value as IList)[i];
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}
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row.RowLevel = RowLevel + 1;
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row.Columns = Columns;
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row.IsShowCheckBox = IsShowCheckBox;
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row.ReloadCells();
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row.BindingCellData();
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Control rowControl = (row as Control);
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row.RowHeight = m_rowHeight;
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rowControl.Width = this.Width;
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//rowControl.Dock = DockStyle.Top;
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row.CellClick += (a, b) => { CellClick(rowControl, b); };
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row.CheckBoxChangeEvent += (a, b) => { CheckBoxChangeEvent(rowControl, b); };
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row.RowCustomEvent += (a, b) => { if (RowCustomEvent != null) { RowCustomEvent(a, b); } };
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row.SourceChanged += SourceChanged;
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ChildrenRows.Add(row);
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row.RowIndex = ChildrenRows.IndexOf(row);
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this.Parent.Controls.Add(rowControl);
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var index = this.Parent.Controls.GetChildIndex(this);
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this.Parent.Controls.SetChildIndex(row, index+1);
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}
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}
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}
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}
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else
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{
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HideChildrenRows(this);
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this.Height = m_rowHeight;
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}
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}
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finally
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{
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ControlHelper.FreezeControl(this.FindForm(), false);
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}
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}
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private void HideChildrenRows(UCDataGridViewTreeRow row)
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{
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if (row.ChildrenRows.Count > 0)
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{
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foreach (var item in row.ChildrenRows)
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{
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HideChildrenRows(item);
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item.Hide();
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}
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row.IsOpened = false;
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}
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}
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}
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}
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