public bool SwitchPasture(string strName)
{
m_activePasture = GetPastureByName(strName);
if (m_activePasture.strPasture == string.Empty)
return false;
//
m_pastureMap = new Map();
m_pastureMap.Name = m_activePasture.strPasture;
IWorkspaceFactory workspaceFactory = new ShapefileWorkspaceFactoryClass();
IFeatureWorkspace workspace =
(IFeatureWorkspace)workspaceFactory.OpenFromFile(m_activePasture.strDataDir,0);
DirectoryInfo pastureDir = new DirectoryInfo(m_activePasture.strDataDir);
FileInfo[] files = pastureDir.GetFiles("*.shp");
foreach (FileInfo file in files)
{
IFeatureLayer featureLayer = new FeatureLayerClass();
featureLayer.Name = file.Name;
featureLayer.Visible = true;
featureLayer.FeatureClass = workspace.OpenFeatureClass(file.Name);
m_pastureMap.AddLayer(featureLayer);
}
//////////////////////////////////////////////////////////////////////////
if (m_activePasture.strRasLyr != string.Empty)
{
IWorkspaceFactory rasWksFactory = new RasterWorkspaceFactory();
IRasterWorkspace rasWks = rasWksFactory.OpenFromFile(m_activePasture.strDataDir, 0) as IRasterWorkspace;
IRasterDataset rasDataset = rasWks.OpenRasterDataset(m_activePasture.strRasLyr);
IRasterLayer rasLyr = new RasterLayerClass();
rasLyr.CreateFromDataset(rasDataset);
LayerHelper.SetLayerColor(rasLyr);
if (m_adminMap.LayerCount == 3)
{
m_adminMap.AddLayer(rasLyr);
m_adminMap.MoveLayer(rasLyr,3);
}
else if(m_adminMap.LayerCount == 4)
{
ILayer lyr = m_adminMap.get_Layer(3);
if (null != lyr)
m_adminMap.DeleteLayer(lyr);
m_adminMap.AddLayer(rasLyr);
m_adminMap.MoveLayer(rasLyr,3);
}
}
//////////////////////////////////////////////////////////////////////////
Queue<TreeNode> vistor_queue = new Queue<TreeNode>();
vistor_queue.Enqueue(m_tree.Nodes[0]);
while (vistor_queue.Count > 0)
{
TreeNode node = vistor_queue.Dequeue();
if (node.Text == strName)
node.ForeColor = Color.BlueViolet;
else
node.ForeColor = Color.Black;
TreeNode child = node.FirstNode;
while (null != child)
{
vistor_queue.Enqueue(child);
child = child.NextNode;
}
return true;
}
return false;
}
protected void OpenPastureMapDoc(Pasture pasture)
{
IMapDocument mapDoc = new MapDocumentClass();
if (mapDoc.get_IsPresent(pasture.strMapDoc) &&
!mapDoc.get_IsPasswordProtected(pasture.strMapDoc))
{
mapDoc.Open(pasture.strMapDoc, string.Empty);
// set the first map as the active view
m_pastureMap = mapDoc.get_Map(0);
mapDoc.SetActiveView((IActiveView)m_pastureMap);
mapDoc.Close();
}
}
public void RefreshPasture()
{
DirectoryInfo pastureDir = new DirectoryInfo(m_pastureDir);
DirectoryInfo[] familyDirs = pastureDir.GetDirectories();
string strRootNode = @"所有牧草";
m_tree.BeginUpdate();
m_tree.Nodes.Clear();
TreeNode rootnode = new TreeNode(strRootNode);
m_tree.Nodes.Add(rootnode);
foreach (DirectoryInfo fdir in familyDirs)
{
DirectoryInfo[] pdirs = fdir.GetDirectories();
GrassFamily family = new GrassFamily();
family.strFamily = fdir.Name;
family.pastures = new List<Pasture>();
TreeNode familynode = rootnode.Nodes.Add(family.strFamily);
foreach (DirectoryInfo dir in pdirs)
{
Pasture pasture = new Pasture();
pasture.strPasture = dir.Name;
pasture.strDataDir = dir.FullName;
pasture.strMapDoc = string.Empty;
pasture.strRasLyr = string.Empty;
FileInfo[] mxdfiles = dir.GetFiles("*.mxd");
if (mxdfiles.Length == 1)
{
FileInfo mxdfile = mxdfiles[0];
pasture.strMapDoc = mxdfile.FullName;
}
FileInfo[] rasfiles = dir.GetFiles("*.aux");
if (rasfiles.Length == 1)
{
FileInfo rasfile = rasfiles[0];
pasture.strRasLyr = rasfile.Name;
pasture.strRasLyr = pasture.strRasLyr.Substring(0, pasture.strRasLyr.Length - 4);
}
family.pastures.Add(pasture);
familynode.Nodes.Add(pasture.strPasture);
}
m_grassFamilys.Add(family);
}
m_tree.EndUpdate();
//
//m_activePasture = m_grassFamilys[0].pastures[0];
}