private void BindChild(TreeNode fNode)
{
string path = fNode.Name;
if (path == null || !Directory.Exists(path))
{
return;
}
DirectoryInfo fDir = new DirectoryInfo(path);
FileSystemInfo[] finfos = fDir.GetFileSystemInfos();
SpatialReferenceFile spatialRefFile;
foreach (FileSystemInfo f in finfos)
{
spatialRefFile = new SpatialReferenceFile();
string type = f.GetType().ToString();
TreeNode node = new TreeNode();
node.Name = f.FullName; //将文件的完整路径保存在节点的名字中
if ("System.IO.DirectoryInfo" == type) //是文件夹才递归调用自己
{
spatialRefFile.IsPrjFile = false;
node.Tag = spatialRefFile;
node.ImageIndex = 0;
node.SelectedImageIndex = 2;
node.Text = f.Name; //将文件的名字保存在节点的文本显示中
fNode.Nodes.Add(node);
BindChild(node);
}
else
{
if (!f.Name.Contains(".prj"))
{
continue;
}
if (f.Name.Substring(f.Name.LastIndexOf('.')) != ".prj")
{
continue;
}
node.Text = f.Name.Remove(f.Name.LastIndexOf('.'));
spatialRefFile.SpatialReference = SpatialReferenceFactory.GetSpatialReferenceByPrjFile(f.FullName); //是否能成功解析prj文件
spatialRefFile.IsPrjFile = true;
node.Tag = spatialRefFile;
node.ImageIndex = 1;
node.SelectedImageIndex = 1;
fNode.Nodes.Add(node);
}
}
}
private void InitSpatialRefTree()
{
TreeNode root = new TreeNode();
root.Text = @"地理坐标系统";
string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "坐标系统\\预定义\\地理坐标系统");
root.Name = path;
SpatialReferenceFile spatialRefFile = new SpatialReferenceFile();
spatialRefFile.IsPrjFile = false;
root.Tag = spatialRefFile;
tvSpatialRefTree.Nodes.Add(root);
BindChild(root);
tvSpatialRefTree.Nodes[0].Expand();
}
/// <summary>
/// 解析坐标系统文件夹，并添加到树中
/// </summary>
/// <param name="fNode"></param>
private void BindChild(TreeNode fNode)
{
string path = fNode.Name;
if (path == null || !Directory.Exists(path))
{
return;
}
string[] paths = Directory.GetDirectories(path);
string[] files = Directory.GetFiles(path);
SpatialReferenceFile spatialRefFile;
for (int i = 0; i < paths.Length; i++)
{
string subPath = paths[i];
TreeNode node = new TreeNode();
node.Name = subPath;
spatialRefFile = new SpatialReferenceFile();
spatialRefFile.IsPrjFile = false;
node.Tag = spatialRefFile;
node.ImageIndex = 0;
node.SelectedImageIndex = 2;
node.Text = Path.GetFileNameWithoutExtension(subPath);
fNode.Nodes.Add(node);
BindChild(node);
}
for (int i = 0; i < files.Length; i++)
{
string subFile = files[i];
string fileExt = Path.GetExtension(subFile);
if (fileExt != ".prj")
{
continue;
}
TreeNode node = new TreeNode();
node.Name = subFile;
node.Text = Path.GetFileNameWithoutExtension(subFile);
spatialRefFile = new SpatialReferenceFile();
spatialRefFile.SpatialReference = SpatialReferenceFactory.GetSpatialReferenceByPrjFile(subFile);
spatialRefFile.IsPrjFile = true;
node.Tag = spatialRefFile;
node.ImageIndex = 1;
node.SelectedImageIndex = 1;
fNode.Nodes.Add(node);
}
}
/// <summary>
/// 将新建的空间参考添加到左侧树节点中
/// </summary>
private void AddToTreeView()
{
SpatialReferenceFile newSpatialRefFile = new SpatialReferenceFile();
newSpatialRefFile.SpatialReference = _spatialReference;
newSpatialRefFile.IsPrjFile = true;
//建立新的节点
TreeNode newNode = new TreeNode();
newNode.Tag = newSpatialRefFile;
newNode.Text = newSpatialRefFile.SpatialReference.Name;
newNode.ImageIndex = 1;
newNode.SelectedImageIndex = 1;
TreeNodeCollection nodes = tvSpatialRefNames.Nodes[0].Nodes;
AddToSpecificNode(nodes, newNode);
tvSpatialRefNames.SelectedNode = newNode;
}
