public TreeItem(string name, bool isGroup, object rtObject, string layerData)
{
this.name = name;
this.isGroup = isGroup;
this.rtObject = rtObject;
this.layerData = layerData;
if (isGroup)
{
this.children = new System.Collections.ArrayList();
}
else
{
this.children = null;
}
this.parent = null;
}
private void BuildLayerTree(MgMap map)
{
System.Collections.Hashtable knownGroups = new System.Collections.Hashtable();
System.Collections.ArrayList unresolved = new System.Collections.ArrayList();
MgLayerGroupCollection groups = map.GetLayerGroups();
for (int i = 0; i < groups.GetCount(); i++)
{
MgLayerGroup rtGroup = groups.GetItem(i);
Legend.TreeItem node = new Legend.TreeItem(rtGroup.GetName(), true, rtGroup, null);
knownGroups.Add(node.name, node);
MgLayerGroup parentGroup = rtGroup.GetGroup();
if (parentGroup == null)
{
this.tree.Add(node);
}
else
{
string parentName = parentGroup.GetName();
Legend.TreeItem parentNode = (Legend.TreeItem)knownGroups[parentName];
if (parentNode != null)
{
parentNode.Attach(node);
}
else
{
node.parentName = parentName;
unresolved.Add(node);
}
}
}
if (unresolved.Count > 0)
{
for (int i = 0; i < unresolved.Count; i++)
{
Legend.TreeItem node = (Legend.TreeItem)unresolved[i];
Legend.TreeItem parentNode = (Legend.TreeItem)knownGroups[node.parentName];
if (parentNode != null)
{
parentNode.Attach(node);
}
else
{
this.tree.Add(node);
}
}
}
MgLayerCollection layers = map.GetLayers();
for (int i = 0; i < layers.GetCount(); i++)
{
if (layers.GetItem(i).GetDisplayInLegend())
{
MgLayer rtLayer = (MgLayer)layers.GetItem(i);
MgResourceIdentifier resId = rtLayer.GetLayerDefinition();
Legend.TreeItem node = new Legend.TreeItem(rtLayer.GetName(), false, rtLayer, this.resSrvc.GetResourceContent(resId).ToString());
MgLayerGroup parentGroup = rtLayer.GetGroup();
if (parentGroup == null)
{
this.tree.Add(node);
}
else
{
Legend.TreeItem parentNode = (Legend.TreeItem)knownGroups[parentGroup.GetName()];
if (parentNode != null)
{
parentNode.Attach(node);
}
else
{
this.tree.Add(node);
}
}
}
}
}