private void RefreshTableOfContents()
{
if(isRefreshing)
return;
isRefreshing = true;
try
{
wms_server_list.WMS_SERVER_LISTType root = GetServerList();
updateCurrentProgressBar(0, root.ServerCount );
UpdateStatusBar( "Loading WMS servers... Please wait." );
for(int i = root.ServerMinCount; i < root.ServerCount; i++)
{
wms_server_list.WMS_server curServer = root.GetServerAt(i);
try
{
string savePath = Path.Combine( this.CacheDirectory, curServer.Name.Value);
string xmlPath = savePath + ".xml";
Directory.CreateDirectory( savePath );
string url = curServer.ServerUrl.Value + (curServer.ServerUrl.Value.IndexOf("?") > 0 ? "&request=GetCapabilities&service=WMS&version=" + curServer.Version.Value : "?request=GetCapabilities&service=WMS&version=" + curServer.Version.Value);
using( WebDownload download = new WebDownload(url) )
download.DownloadFile(xmlPath );
this.wmsList = new WMSList(curServer.Name.Value, curServer.ServerUrl.Value, xmlPath, curServer.Version.Value);
if(this.wmsList.Layers != null)
{
foreach(MyWMSLayer l in this.wmsList.Layers)
{
TreeNode tn = this.getTreeNodeFromWMSLayer(l);
this.treeViewTableOfContents.BeginInvoke(new UpdateTableTreeDelegate(this.UpdateTableTree), new object[] {tn});
}
}
}
catch(WebException)
{
TreeNode tn = new TreeNode(curServer.Name.Value + " (Connection Error)");
tn.ForeColor = Color.Red;
this.treeViewTableOfContents.BeginInvoke(new UpdateTableTreeDelegate(this.UpdateTableTree), new object[] {tn});
}
catch(Exception ex)
{
TreeNode tn = new TreeNode(curServer.Name.Value + " " + ex.ToString());
tn.ForeColor = Color.Red;
this.treeViewTableOfContents.BeginInvoke(new UpdateTableTreeDelegate(this.UpdateTableTree), new object[] {tn});
}
updateCurrentProgressBar(i+1, root.ServerCount);
}
// TODO: Invoke
this.treeViewTableOfContents.AfterSelect += new TreeViewEventHandler(treeViewTableOfContents_AfterSelect);
this.panelLower.Enabled = true;
UpdateStatusBar( "" );
updateCurrentProgressBar(0,1);
this.isRefreshed = true;
}
catch( Exception caught )
{
this.worldWindow.Caption = caught.Message;
}
finally
{
this.isRefreshing = false;
}
}
protected override ModelNode[] Load()
{
WebDownload oCatalogDownload = new WebDownload(m_oUri.ToCapabilitiesUri(), true);
oCatalogDownload.DownloadFile(CapabilitiesFilename);
WMSList oCatalog = new WMSList(m_oUri.ToCapabilitiesUri(), CapabilitiesFilename);
m_strTitle = oCatalog.Name;
List<ModelNode> result = new List<ModelNode>();
foreach (WMSLayer oLayer in oCatalog.Layers[0].ChildLayers)
{
if (oLayer.ChildLayers == null)
{
result.Add(new WMSLayerModelNode(m_oModel, oLayer));
}
else
{
result.Add(new WMSFolderModelNode(m_oModel, oLayer));
}
}
if (oCatalog.Layers[0].Name != null)
{
result.Add(new WMSLayerModelNode(m_oModel, oCatalog.Layers[0]));
}
result.Sort(new Comparison<ModelNode>(WMSRootModelNode.SortWMSChildNodes));
return result.ToArray();
}