cyf
226 lines
9.5 KiB
C#
226 lines
9.5 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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namespace Lskj.Control.Model
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{
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/// <summary>
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/// 表格拖拽到控件
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/// </summary>
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public class GridDragControl
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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Panel
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/// </summary>
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private System.Windows.Forms.Control _targetPanel;
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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 GridFragControlCompleteEventHandler OnDragComplete;
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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 GridDragControl(GridView sourceView, System.Windows.Forms.Control control)
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{
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this._sourceGridView = sourceView;
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this._targetPanel = control;
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if (this._sourceGridView == null || this._targetPanel == 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._targetPanel.AllowDrop = true;
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//this._targetPanel.DragOver += new DragEventHandler(PanelDragOver);
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this._targetPanel.DragEnter += new System.Windows.Forms.DragEventHandler(PanelDragEnter);
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this._targetPanel.DragDrop += new System.Windows.Forms.DragEventHandler(PanelDragDrop);
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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._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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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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gridView.GridControl.DoDragDrop(row, DragDropEffects.Move);
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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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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 PanelDragOver(object sender, DragEventArgs e)
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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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//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：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 PanelDragEnter(object sender, System.Windows.Forms.DragEventArgs e)
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{
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e.Effect = DragDropEffects.Move;
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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 PanelDragDrop(object sender, System.Windows.Forms.DragEventArgs e)
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{
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if (this.OnDragComplete != null && this._draging)
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{
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this._draging = false;
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GridDragControlArgs args = new GridDragControlArgs();
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args.SourceGridViewObj = this._sourceGridView;
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args.TargetControlObj = this._targetPanel;
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args.GridViewSelectRows = GetGridSelectRows(this._sourceGridView.GetSelectedRows());
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args.SelectGridRow = this._sourceGridView.GetDataRow(this._sourceGridView.FocusedRowHandle);
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this.OnDragComplete(sender, args);
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}
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}
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}
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}
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