private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Multiselect = true;//该值确定是否可以选择多个文件
dialog.Title = "请选择文件";
dialog.Filter = "ESRI Shapefile(*.shp)|*.shp|所有文件(*.*)|*.*";
if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string file = dialog.FileName;
WEVectorLayer newLayer = WEIO.ReadLayer(file);
newLayer.InitializeData();
newLayer.SelectDisplay();
AllLayer.Add(newLayer);
weMapControl1.AllLayer = AllLayer;
treeView1.Nodes.Clear();
foreach (var layer in AllLayer)
{
TreeNode node0_0 = new TreeNode();
node0_0.Text = layer.LayerName;
node0_0.Checked = layer.Visible;
treeView1.Nodes.Add(node0_0);
}
if (AllLayer.Count() != 0)
{
weMapControl1.FullExitence();
}
}
}
private void OKbtn_Click(object sender, EventArgs e)
{
if (txtName.Text == string.Empty)
{
_NewLayer = new WEPointLayer();
}
else
{
switch (cmbType.SelectedIndex)
{
case 0:
_NewLayer = new WEPointLayer();
break;
case 1:
_NewLayer = new WEPolylineLayer();
break;
case 2:
_NewLayer = new WEPolygonLayer();
break;
}
}
if (txtName.Text.ToString().Length != 0)
{
_NewLayer.LayerName = txtName.Text.ToString();
}
else
{
_NewLayer.LayerName = "default";
}
this.DialogResult = DialogResult.OK;
this.Close();
}
public void RepairData(WEVectorLayer layer)
{
Data = layer.GetDataTable();
this.dataGridView1.DataSource = Data;
}
private void treeView1_DragDrop(object sender, DragEventArgs e)
{
string Moveid = "", Dropid = "";
TreeNode myNode = null;
if (e.Data.GetDataPresent(typeof(TreeNode)))
{
//获得移动节点
myNode = (TreeNode)(e.Data.GetData(typeof(TreeNode)));
//获得移动节点的NodeId
Moveid = (string)myNode.Index.ToString();
}
else
{
MessageBox.Show("error");
}
//将树节点的位置计算成工作区坐标。
Position.X = e.X;
Position.Y = e.Y;
Position = treeView1.PointToClient(Position);
TreeNode DragNode = myNode;
WEVectorLayer DragLayer = AllLayer[myNode.Index];
AllLayer.RemoveAt(myNode.Index);
myNode.Remove();
//treeView1.Nodes.Add(DragNode);
TreeNode DropNode = this.treeView1.GetNodeAt(Position);
//Dropid = (string)DropNode.Index.ToString();
if (DropNode == null)
{
treeView1.Nodes.Add(DragNode);
AllLayer.Add(DragLayer);
}
else if (Convert.ToInt32((string)DropNode.Index.ToString()) == treeView1.Nodes.Count)
{
AllLayer.Insert(Convert.ToInt32((string)DropNode.Index.ToString()) - 1, DragLayer);
treeView1.Nodes.Insert(Convert.ToInt32((string)DropNode.Index.ToString()) - 1, DragNode);
}
else
{
AllLayer.Insert(Convert.ToInt32((string)DropNode.Index.ToString()), DragLayer);
treeView1.Nodes.Insert(Convert.ToInt32((string)DropNode.Index.ToString()), DragNode);
}
weMapControl1.Refresh();
/*
* //检索目标节点
* TreeNode DropNode = this.treeView1.GetNodeAt(Position);
* // 1.目标节点不是空。2.目标节点不是被拖拽接点的子节点。3.目标节点不是被拖拽节点本身
* if (DropNode != null && DropNode.Parent != myNode && DropNode != myNode)
* {
* //临时节点
* TreeNode tempNode = myNode;
* // 将被拖拽节点从原来位置删除。
* myNode.Remove();
* // 在目标节点下增加被拖拽节点
* DropNode.Nodes.Add(tempNode);
* //目标节点的NodeId值
* Dropid = (string)DropNode.Index.ToString();
*
*
* //数据库中更新移动节点的parentID
* string strSQL;
* strSQL = " update TTree set parentId =" + Dropid + " where NodeId = " + Moveid + " ";
* SQLiteDBHelper db = new SQLiteDBHelper(ComPath);
* int i = db.ExecuteNonQuery(strSQL, null);
* if (i < 0)
* {
* MessageBox.Show("请正确拖动文件");
* }
*
*
* }
* // 如果目标节点不存在，即拖拽的位置不存在节点，那么就将被拖拽节点放在根节点之下
* if (DropNode == null)
* {
*
* //parentId = 0 表示根节点
* string strSQL;
* strSQL = " update TTree set parentId = 0 where NodeId = " + Moveid + " ";
* SQLiteDBHelper db = new SQLiteDBHelper(ComPath);
* int i = db.ExecuteNonQuery(strSQL, null);
*
*
* }
*/
}
