cyf
367 lines
14 KiB
C#
367 lines
14 KiB
C#
using System;
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using System.Collections.Generic;
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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.Text;
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using System.Windows.Forms;
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using DevExpress.XtraGrid;
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using DevExpress.XtraGrid.Views.Grid;
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using DevExpress.XtraGrid.Views.Grid.ViewInfo;
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using CommonLib;
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namespace Lskj.Common
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{
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public class GridDragTree
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{
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private string SQLDT1;
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private string filedKey;
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private DataRow sdkModel;
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public GridDragTree(Form thisForm, GridControl grid, TreeView target, DragEventHandler Complete, DataRow sdkModel, string SQLDT1, string filedKey)
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{
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opForm = thisForm;
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currentGridView = (GridView)grid.FocusedView;
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dragComplete = Complete;
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grid.FocusedView.MouseDown += new MouseEventHandler(gridMouseDown);
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grid.FocusedView.MouseMove += new MouseEventHandler(gridMouseMove);
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target.HideSelection = false;
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target.DragOver += new DragEventHandler(objDragOver);
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target.DragDrop += new DragEventHandler(objDragDrop);
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target.AllowDrop = true;
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this.sdkModel = sdkModel;
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this.SQLDT1 = SQLDT1;
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this.filedKey = filedKey;
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}
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private GridHitInfo downHitInfo = null;
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private GridView currentGridView = null;
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Form opForm = null;
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DragEventHandler dragComplete = null;
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private void gridMouseDown(object sender, MouseEventArgs e)
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{
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GridView view = sender as GridView;
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downHitInfo = null;
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GridHitInfo hitInfo = view.CalcHitInfo(new Point(e.X, e.Y));
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if (Control.ModifierKeys != Keys.None) return;
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if (e.Button == MouseButtons.Left && hitInfo.RowHandle >= 0)
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downHitInfo = hitInfo;
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}
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private void gridMouseMove(object sender, MouseEventArgs e)
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{
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GridView view = sender as GridView;
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if (e.Button == MouseButtons.Left && downHitInfo != null)
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{
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Size dragSize = SystemInformation.DragSize;
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Rectangle dragRect = new Rectangle(new Point(downHitInfo.HitPoint.X - dragSize.Width / 2,
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downHitInfo.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 = view.GetRow(downHitInfo.RowHandle);
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view.GridControl.DoDragDrop(row, DragDropEffects.Move);
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downHitInfo = null;
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DevExpress.Utils.DXMouseEventArgs.GetMouseArgs(e).Handled = true;
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}
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}
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}
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private void objDragOver(object sender, DragEventArgs e)
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{
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(sender as TreeView).Select();
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e.Effect = DragDropEffects.Move;
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TreeNode tn = null;
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Point pt = new Point();
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pt.X = e.X;
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pt.Y = e.Y;
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tn = (sender as TreeView).GetNodeAt((sender as TreeView).PointToClient(pt));
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if (tn == null)
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return;
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(sender as TreeView).SelectedNode = tn;
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if (tn.GetNodeCount(true) > 0)
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tn.Expand();
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}
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private void objDragDrop(object sender, DragEventArgs e)
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{
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//这里处理拖放后的操作，比如更改选中数据属性
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TreeNode tn = null;
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Point pt = new Point();
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pt.X = e.X;
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pt.Y = e.Y;
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tn = (sender as TreeView).GetNodeAt((sender as TreeView).PointToClient(pt));
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if (tn == null)
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return;
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if (tn.GetNodeCount(true) > 0)
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{
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MessageBox.Show("【" + tn.Text + "】不是最后一级不能拖拽");
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return;
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}
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if (MessageBox.Show("确定将所选档案信息转移到[" + tn.Text + "]", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
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{
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return;
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}
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//选中行操作，修改或者删除
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int[] rowid = currentGridView.GetSelectedRows();
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foreach (int rid in rowid)
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{
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DataRow dr = currentGridView.GetDataRow(rid);
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SqlHelper.ExecuteNonQuery("update " + SQLDT1 + " set " + sdkModel["fieldname"] + "='" + tn.Name + "' where " + filedKey + "='" + dr[filedKey] + "'");
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}
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dragComplete(sender, e);
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}
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}
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public class GridDrag2Grid
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{
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private GridHitInfo downHitInfo;
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GridView sourceView = null;
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GridView targetView = null;
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public callBack internal_func { get; set; }
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private bool dragIng = false;
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public delegate void callBack(object sender);
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public GridDrag2Grid(GridControl source, GridControl target, callBack callFunc)
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{
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internal_func = callFunc;
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sourceView = (source.FocusedView as GridView);
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targetView = (target.FocusedView as GridView);
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(source.FocusedView as GridView).OptionsSelection.MultiSelect = true;
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source.FocusedView.MouseDown += new MouseEventHandler(gridViewMouseDown);
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source.FocusedView.MouseMove += new MouseEventHandler(gridViewMouseMove);
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source.FocusedView.MouseUp += new MouseEventHandler(gridViewMouseUp);
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target.AllowDrop = true;
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target.DragEnter += new DragEventHandler(gridDragEnter);
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target.DragDrop += new DragEventHandler(gridDragDrop);
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}
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private void gridMouseDown(object sender, MouseEventArgs e)
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{
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downHitInfo = sourceView.CalcHitInfo(new Point(e.X, e.Y));
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dragIng = true;
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}
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private void gridMouseMove(object sender, MouseEventArgs e)
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{
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if (downHitInfo == null) return;
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if (e.Button != MouseButtons.Left) return;
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Rectangle dragRect = new Rectangle(new Point(
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downHitInfo.HitPoint.X - SystemInformation.DragSize.Width / 2,
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downHitInfo.HitPoint.Y - SystemInformation.DragSize.Height / 2), SystemInformation.DragSize);
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if (!dragRect.Contains(new Point(e.X, e.Y)))
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{
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DataRow data = sourceView.GetDataRow(downHitInfo.RowHandle);
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int[] rows = sourceView.GetSelectedRows();
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List<DataRow> row = new List<DataRow>();
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for (int i = 0; i < rows.Length; i++)
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row.Add(sourceView.GetDataRow((int)rows[i]));
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(sender as GridControl).DoDragDrop(row, DragDropEffects.Move);
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}
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}
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private void gridViewMouseDown(object sender, MouseEventArgs e)
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{
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targetView.Tag = "1";
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dragIng = true;
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GridView view = sender as GridView;
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downHitInfo = null;
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GridHitInfo hitInfo = view.CalcHitInfo(new Point(e.X, e.Y));
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if (Control.ModifierKeys != Keys.None) return;
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if (e.Button == MouseButtons.Left && hitInfo.RowHandle >= 0)
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downHitInfo = hitInfo;
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}
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private void gridViewMouseUp(object sender, MouseEventArgs e)
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{
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dragIng = false;
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targetView.Tag = "0";
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}
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private void gridViewMouseMove(object sender, MouseEventArgs e)
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{
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GridView view = sender as GridView;
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if (e.Button == MouseButtons.Left && downHitInfo != null)
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{
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Size dragSize = SystemInformation.DragSize;
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Rectangle dragRect = new Rectangle(new Point(downHitInfo.HitPoint.X - dragSize.Width / 2,
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downHitInfo.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 = view.GetRow(downHitInfo.RowHandle);
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view.GridControl.DoDragDrop(row, DragDropEffects.Move);
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downHitInfo = null;
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DevExpress.Utils.DXMouseEventArgs.GetMouseArgs(e).Handled = true;
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}
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}
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}
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private void gridDragEnter(object sender, DragEventArgs e)
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{
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e.Effect = DragDropEffects.Move;
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targetView.Tag = "1";
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}
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private void gridDragDrop(object sender, DragEventArgs e)
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{
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if (internal_func != null)
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{
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if (dragIng == true)
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{
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internal_func(sender);
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dragIng = false;
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}
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return;
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}
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GridControl grid = sender as GridControl;
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DataTable table = grid.DataSource as DataTable;
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List<DataRow> row = e.Data.GetData(typeof(List<DataRow>)) as List<DataRow>;
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if (row != null && table != null)
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{
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if (row.Count > 0)
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{
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for (int i = 0; i < row.Count; i++)
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{
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table.ImportRow(row[i]);
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row[i].Delete(); // 把原有的数据行删除。
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}
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}
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}
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dragIng = false;
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targetView.Tag = "0";
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}
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}
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public class GridDrag2GridUpdate
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{
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private GridHitInfo downHitInfo;
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GridView sourceView = null;
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GridView targetView = null;
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public callBack internal_func { get; set; }
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private bool dragIng = false;
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public delegate void callBack(object sender);
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public GridDrag2GridUpdate(GridControl source, GridControl target, callBack callFunc)
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{
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internal_func = callFunc;
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sourceView = (source.FocusedView as GridView);
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targetView = (target.FocusedView as GridView);
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source.FocusedView.MouseDown += new MouseEventHandler(gridViewMouseDown);
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source.FocusedView.MouseMove += new MouseEventHandler(gridViewMouseMove);
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source.FocusedView.MouseUp += new MouseEventHandler(gridViewMouseUp);
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target.AllowDrop = true;
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target.DragOver += new DragEventHandler(target_DragOver);
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target.DragEnter += new DragEventHandler(gridDragEnter);
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target.DragDrop += new DragEventHandler(gridDragDrop);
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}
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private void gridMouseDown(object sender, MouseEventArgs e)
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{
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downHitInfo = sourceView.CalcHitInfo(new Point(e.X, e.Y));
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dragIng = true;
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targetView.Tag = "1";
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}
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private void gridMouseMove(object sender, MouseEventArgs e)
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{
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if (downHitInfo == null) return;
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if (e.Button != MouseButtons.Left) return;
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Rectangle dragRect = new Rectangle(new Point(
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downHitInfo.HitPoint.X - SystemInformation.DragSize.Width / 2,
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downHitInfo.HitPoint.Y - SystemInformation.DragSize.Height / 2), SystemInformation.DragSize);
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if (!dragRect.Contains(new Point(e.X, e.Y)))
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{
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DataRow data = sourceView.GetDataRow(downHitInfo.RowHandle);
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int[] rows = sourceView.GetSelectedRows();
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List<DataRow> row = new List<DataRow>();
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for (int i = 0; i < rows.Length; i++)
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row.Add(sourceView.GetDataRow((int)rows[i]));
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(sender as GridControl).DoDragDrop(row, DragDropEffects.Move);
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}
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}
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private void gridViewMouseDown(object sender, MouseEventArgs e)
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{
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targetView.Tag = "1";
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dragIng = true;
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GridView view = sender as GridView;
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downHitInfo = null;
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GridHitInfo hitInfo = view.CalcHitInfo(new Point(e.X, e.Y));
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if (Control.ModifierKeys != Keys.None) return;
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if (e.Button == MouseButtons.Left && hitInfo.RowHandle >= 0)
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downHitInfo = hitInfo;
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}
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private void gridViewMouseMove(object sender, MouseEventArgs e)
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{
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GridView view = sender as GridView;
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if (e.Button == MouseButtons.Left && downHitInfo != null)
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{
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Size dragSize = SystemInformation.DragSize;
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Rectangle dragRect = new Rectangle(new Point(downHitInfo.HitPoint.X - dragSize.Width / 2,
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downHitInfo.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 = view.GetRow(downHitInfo.RowHandle);
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view.GridControl.DoDragDrop(row, DragDropEffects.Move);
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downHitInfo = null;
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DevExpress.Utils.DXMouseEventArgs.GetMouseArgs(e).Handled = true;
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}
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}
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}
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private void gridViewMouseUp(object sender, MouseEventArgs e)
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{
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dragIng = false;
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targetView.Tag = "0";
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}
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private void target_DragOver(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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downHitInfo = targetGrid.CalcHitInfo(pt);
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if (downHitInfo == null || downHitInfo.RowHandle < 0) return;
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targetGrid.SelectRow(downHitInfo.RowHandle);
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targetGrid.FocusedRowHandle = downHitInfo.RowHandle;
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}
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private void gridDragEnter(object sender, DragEventArgs e)
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{
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e.Effect = DragDropEffects.Move;
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targetView.Tag = "1";
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}
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private void gridDragDrop(object sender, DragEventArgs e)
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{
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if (internal_func != null)
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{
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if (dragIng == true)
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{
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internal_func(sender);
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dragIng = false;
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}
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targetView.Tag = "0";
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return;
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}
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GridControl grid = sender as GridControl;
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DataTable table = grid.DataSource as DataTable;
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List<DataRow> row = e.Data.GetData(typeof(List<DataRow>)) as List<DataRow>;
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if (row != null && table != null)
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{
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if (row.Count > 0)
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{
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for (int i = 0; i < row.Count; i++)
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{
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table.ImportRow(row[i]);
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row[i].Delete(); // 把原有的数据行删除。
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}
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}
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}
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targetView.Tag = "0";
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}
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}
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}
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