cyf
477 lines
20 KiB
C#
477 lines
20 KiB
C#
/******************************
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* 说明：表格拖拽到表格
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* 创建人：龚宇超
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* 创建日期：2017-11-13
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* 修改人：
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* 修改日期：
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* 修改备注：
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* 版本：1.0.0.0
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******************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using DevExpress.XtraGrid.Views.Grid;
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using DevExpress.XtraGrid.Views.Grid.ViewInfo;
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using System.Drawing;
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using System.Windows.Forms;
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using DevExpress.Utils;
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using System.Data;
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using DevExpress.XtraGrid;
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using Lskj.Util;
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namespace Lskj.Control.Model
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{
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/// <summary>
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/// 表格拖拽到表格
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/// </summary>
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public class GridDragGrid
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{
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/// <summary>
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/// 是否正在拖拽
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/// </summary>
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private bool _draging = false;
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/// <summary>
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/// 拖动位置
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/// </summary>
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private GridHitInfo _hitInfo;
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/// <summary>
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/// 当前操作的GridView
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/// </summary>
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private GridView _sourceGridView;
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/// <summary>
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/// 目标GridView
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/// </summary>
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private GridView _targetGridView;
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/// <summary>
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/// 拖动完成后调用
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/// </summary>
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public event GridFragGridCompleteEventHandler OnDragComplete;
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/// <summary>
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/// 顺序值的集合
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/// </summary>
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private List<int> DragHander = new List<int>();
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public bool isDropColorVisble = false;
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/// <summary>
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/// 外部条件是否允许拖拽
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/// </summary>
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public bool isAllowDrag = true;
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/// <summary>
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/// 拖动条件
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/// </summary>
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public string DragConditions;
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/// <summary>
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/// 处理目标表格多选
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/// </summary>
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public bool TargetTableMultiSelect=true;
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/// <summary>
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/// Initializes a new instance of the <see cref="GridDragGrid"/> class.
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/// </summary>
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/// <param name="curGridView">当前GridView</param>
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/// <param name="tarGridView">目标GridView.</param>
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public GridDragGrid(GridView sourceView, GridView targetView)
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{
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this._sourceGridView = sourceView;
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this._targetGridView = targetView;
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//记录所有拖拽类到来源表中，后每次进入目标表禁用其他拖拽类的拖拽事件
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if (StaticControl.GridViewDragGridDic.ContainsKey(sourceView))
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{
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List<GridDragGrid> gridDragGrids = StaticControl.GridViewDragGridDic[sourceView];
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if (!gridDragGrids.Contains(this))
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{
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gridDragGrids.Add(this);
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}
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}
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else
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{
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List<GridDragGrid> gridDragGrids = new List<GridDragGrid>();
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gridDragGrids.Add(this);
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StaticControl.GridViewDragGridDic.Add(sourceView, gridDragGrids);
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}
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if (StaticControl.TargetViewDragGridDic.ContainsKey(targetView))
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{
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List<GridDragGrid> gridDragGrids = StaticControl.TargetViewDragGridDic[targetView];
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if (!gridDragGrids.Contains(this))
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{
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gridDragGrids.Add(this);
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}
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}
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else
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{
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List<GridDragGrid> gridDragGrids = new List<GridDragGrid>();
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gridDragGrids.Add(this);
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StaticControl.TargetViewDragGridDic.Add(targetView, gridDragGrids);
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}
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if (this._sourceGridView == null || this._targetGridView == null) return;
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this._sourceGridView.MouseDown += new System.Windows.Forms.MouseEventHandler(sourceGridView_MouseDown);
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this._sourceGridView.MouseMove += new System.Windows.Forms.MouseEventHandler(sourceGridView_MouseMove);
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this._sourceGridView.MouseUp += new System.Windows.Forms.MouseEventHandler(sourceGridView_MouseUp);
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this._sourceGridView.RowClick += OnRowClick;
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this._targetGridView.GridControl.AllowDrop = true;
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this._targetGridView.GridControl.DragOver += new DragEventHandler(gridControl_DragOver);
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this._targetGridView.GridControl.DragEnter += new System.Windows.Forms.DragEventHandler(gridControl_DragEnter);
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this._targetGridView.GridControl.DragDrop += new System.Windows.Forms.DragEventHandler(gridControl_DragDrop);
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this._targetGridView.GridControl.DragLeave += new EventHandler(gridControl_DragLeave);
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}
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/// <summary>
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/// 点击时候判断位置
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void OnRowClick(object sender, RowClickEventArgs e)
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{
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int[] dragRowsIndex = _sourceGridView.GetSelectedRows();
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int newGetSelect = _sourceGridView.FocusedRowHandle;
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if (dragRowsIndex.Length > 1)
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{
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if (DragHander.Count > dragRowsIndex.Length)
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{
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DragHander.Remove(newGetSelect);
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}
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else
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{
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if (dragRowsIndex.Length == 2)
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{
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int firstIndex = dragRowsIndex.Cast<int>().FirstOrDefault(x => x != newGetSelect);
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if (!DragHander.Contains(firstIndex))
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{
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DragHander.Add(firstIndex);
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}
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DragHander.Add(newGetSelect);
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}
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else
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{
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if (!DragHander.Contains(newGetSelect))
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{
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DragHander.Add(newGetSelect);
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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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DragHander.Clear();
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}
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}
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/// <summary>
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/// <para>说明：获取表格选中行数据</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-13 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="rowHandles">The row handles.</param>
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/// <returns>DataRow[].</returns>
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private DataRow[] GetGridSelectRows(int[] rowHandles)
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{
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List<DataRow> rows = new List<DataRow>();
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foreach (int handle in rowHandles)
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{
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DataRow row = this._sourceGridView.GetDataRow(handle);
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rows.Add(row);
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}
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return rows.ToArray();
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}
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/// <summary>
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/// <para>说明：源表格鼠标按下</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-13 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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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="System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
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protected void sourceGridView_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
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{
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this._sourceGridView.GridControl.AllowDrop = false;
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this._targetGridView.GridControl.AllowDrop = true;
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this._hitInfo = null;
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if (System.Windows.Forms.Control.ModifierKeys != Keys.None) return;
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GridView gridView = sender as GridView;
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GridHitInfo hitInfo = gridView.CalcHitInfo(new Point(e.X, e.Y));
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if (e.Button == MouseButtons.Left && hitInfo.RowHandle >= 0)
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{
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this._draging = true;
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StaticControl.SourceDragGridView = gridView;
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this._hitInfo = hitInfo;
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}
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}
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/// <summary>
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/// <para>说明：源表格鼠标移动</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-13 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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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="System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
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protected void sourceGridView_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
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{
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GridView gridView = sender as GridView;
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if (e.Button == MouseButtons.Left && this._hitInfo != null)
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{
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Size dragSize = SystemInformation.DragSize;
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Rectangle dragRect = new Rectangle(new Point(this._hitInfo.HitPoint.X - dragSize.Width / 2,
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this._hitInfo.HitPoint.Y - dragSize.Height / 2), dragSize);
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if (!dragRect.Contains(new Point(e.X, e.Y)))
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{
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object row = gridView.GetRow(this._hitInfo.RowHandle >= 0 ? this._hitInfo.RowHandle : 0);
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if (row != null)
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{
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gridView.GridControl.DoDragDrop(row, DragDropEffects.Move);
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}
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this._hitInfo = null;
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DXMouseEventArgs.GetMouseArgs(e).Handled = true;
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}
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}
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}
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/// <summary>
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/// <para>说明：源表格鼠标放开</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-13 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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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="System.Windows.Forms.MouseEventArgs"/> instance containing the event data.</param>
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protected void sourceGridView_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
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{
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StaticControl.SourceDragGridView = null;
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this._draging = false;
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}
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/// <summary>
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/// <para>说明：移动到目标表格上</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-13 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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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="System.Windows.Forms.DragEventArgs"/> instance containing the event data.</param>
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private void gridControl_DragOver(object sender, DragEventArgs e)
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{
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GridControl gridControl = (GridControl)sender;
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GridView gridView = gridControl.MainView as GridView;
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this._draging = true;
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if (StaticControl.SourceDragGridView != null && StaticControl.GridViewDragGridDic.ContainsKey(StaticControl.SourceDragGridView))
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{
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List<GridDragGrid> gridDragGrids = StaticControl.GridViewDragGridDic[StaticControl.SourceDragGridView];
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foreach (GridDragGrid item in gridDragGrids)
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{
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if (item != null && item._targetGridView == gridView)
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{
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item._draging = true;
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}
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else
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{
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item._draging = false;
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}
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}
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}
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if (StaticControl.TargetViewDragGridDic.ContainsKey(gridView))
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{
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List<GridDragGrid> gridDragGrids = StaticControl.TargetViewDragGridDic[gridView];
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foreach (GridDragGrid item in gridDragGrids)
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{
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if (item != null && StaticControl.SourceDragGridView != null && item._sourceGridView == StaticControl.SourceDragGridView)
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{
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item._draging = true;
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}
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else
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{
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item._draging = false;
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}
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}
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}
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GridControl targetControl = (sender as GridControl);
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GridView targetGrid = targetControl.FocusedView as GridView;
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Point gcPoint = targetControl.PointToScreen((sender as GridControl).Location);
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Point pt = new Point(e.X - gcPoint.X, e.Y - gcPoint.Y);
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_hitInfo = targetGrid.CalcHitInfo(pt);
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if (_hitInfo == null || _hitInfo.RowHandle < 0) return;
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if (!isDropColorVisble) targetGrid.SelectRow(_hitInfo.RowHandle);
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targetGrid.FocusedRowHandle = _hitInfo.RowHandle;
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}
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/// <summary>
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/// <para>说明：离开目标表格</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-13 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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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="System.Windows.Forms.DragEventArgs"/> instance containing the event data.</param>
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private void gridControl_DragLeave(object sender, EventArgs e)
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{
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this._draging = false;
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//离开目标表格后，左侧表格开启多选功能
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if(TargetTableMultiSelect) this._targetGridView.OptionsSelection.MultiSelect = true;
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}
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/// <summary>
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/// <para>说明：移动到目标表格</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-13 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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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="System.Windows.Forms.DragEventArgs"/> instance containing the event data.</param>
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protected void gridControl_DragEnter(object sender, System.Windows.Forms.DragEventArgs e)
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{
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//拖拽时，左侧表格关闭多选功能
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if (TargetTableMultiSelect) this._targetGridView.OptionsSelection.MultiSelect = false;
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if (isAllowDrag)
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{
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e.Effect = DragDropEffects.Move;
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}
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else
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{
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e.Effect = DragDropEffects.None;
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}
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}
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/// <summary>
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/// <para>说明：拖动完成时</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-13 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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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="System.Windows.Forms.DragEventArgs"/> instance containing the event data.</param>
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protected void gridControl_DragDrop(object sender, System.Windows.Forms.DragEventArgs e)
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{
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if (this.OnDragComplete != null && this._draging && this.JudgingConditions())
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{
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this._draging = false;
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this.isAllowDrag = true;
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//拖拽完成后，左侧表格开启多选功能
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if (TargetTableMultiSelect) this._targetGridView.OptionsSelection.MultiSelect = true;
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GridDragGridArgs args = new GridDragGridArgs();
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args.SourceGridViewObj = this._sourceGridView;
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args.TargetGridViewObj = this._targetGridView;
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args.GridViewSelectRows = GetGridSelectRows(DragHander.Count > 1 && this._sourceGridView.GetSelectedRows().Length == DragHander.Count ? DragHander.ToArray() : this._sourceGridView.GetSelectedRows());
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args.SelectGridRow = this._targetGridView.GetDataRow(this._targetGridView.FocusedRowHandle);
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this.OnDragComplete(sender, args);
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this._draging = false;
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}
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}
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#region 表格第一列添加复选框
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/// <summary>
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/// <para>说明：表格第一列添加复选框</para>
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/// <para>创建人：唐德馨</para>
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/// <para>创建日期：2021-07-08 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="gridColumn">The grid columnFilterPopupChecke.</param>
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public static void GridAddCheckBox(GridView gridview)
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{
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gridview.OptionsSelection.MultiSelect = true;
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gridview.OptionsSelection.MultiSelectMode = GridMultiSelectMode.CheckBoxRowSelect;
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gridview.OptionsSelection.EnableAppearanceFocusedCell = false;
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gridview.FocusedRowChanged += OnGridViewFocusedRowChanged;
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//gridview.OptionsBehavior.EditorShowMode = EditorShowMode.MouseDown;
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foreach (DevExpress.XtraGrid.Columns.GridColumn column in gridview.Columns)
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{
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GridColumnModel columnModel = (GridColumnModel)column.Tag;
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if (gridview.Columns.IndexOf(column) > 0 && columnModel != null && columnModel.CanSum)
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{
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foreach (GridSummaryItem gridSummaryItem in column.Summary)
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{
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gridSummaryItem.SummaryType = DevExpress.Data.SummaryItemType.Custom;
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}
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GridSummaryItem gridGroupSummaryItem = gridview.GroupSummary.Where(n => n.FieldName.Equals(column.FieldName)).FirstOrDefault();
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if (gridGroupSummaryItem != null)
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{
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gridGroupSummaryItem.SummaryType = DevExpress.Data.SummaryItemType.Custom;
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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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/// 焦点行改变时
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private static void OnGridViewFocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
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{
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try
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{
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GridView gridView = (GridView)sender;
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Point point = gridView.GridControl.PointToClient(System.Windows.Forms.Control.MousePosition);
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GridHitInfo hitInfo = gridView.CalcHitInfo(point);
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if (hitInfo.Column!=null&& hitInfo.Column.Caption.Equals("Selection") && hitInfo.Column.FieldName.Equals("DX$CheckboxSelectorColumn") && hitInfo.Column.VisibleIndex == 0)
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{
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object cellValue = gridView.GetFocusedRowCellValue(hitInfo.Column);
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if (cellValue is false)
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{
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gridView.SetRowCellValue(hitInfo.RowHandle, hitInfo.Column, true);
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}
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else if (cellValue is true)
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{
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gridView.SetRowCellValue(hitInfo.RowHandle, hitInfo.Column, false);
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}
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}
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}
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catch (Exception)
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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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/// 拖拽时判断条件
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/// </summary>
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/// <returns></returns>
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protected bool JudgingConditions()
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{
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if (!string.IsNullOrWhiteSpace(DragConditions))
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{
|
|
string DragCond = ReplaceHelper.ReplaceRowParam(this._targetGridView.GetDataRow(this._targetGridView.FocusedRowHandle), DragConditions);
|
|
DataRow[] rows = GetGridSelectRows(DragHander.Count > 1 && this._sourceGridView.GetSelectedRows().Length == DragHander.Count ? DragHander.ToArray() : this._sourceGridView.GetSelectedRows());
|
|
foreach (DataRow row in rows)
|
|
{
|
|
if (!ReplaceHelper.ReplaceRowParamCond(row, DragCond))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
}
|
|
}
|