private void compareRefreshLists(RenderableObjectList newList, RenderableObjectList curList)
{
ArrayList addList = new ArrayList();
ArrayList delList = new ArrayList();
foreach (RenderableObject newObject in newList.ChildObjects)
{
bool foundObject = false;
foreach (RenderableObject curObject in curList.ChildObjects)
{
string xmlSource = curObject.MetaData["XmlSource"] as string;
if (xmlSource != null && xmlSource == m_DataSource && newObject.Name == curObject.Name)
{
foundObject = true;
UpdateRenderable(curObject, newObject);
break;
}
}
if (!foundObject)
{
addList.Add(newObject);
}
}
foreach (RenderableObject curObject in curList.ChildObjects)
{
bool foundObject = false;
foreach (RenderableObject newObject in newList.ChildObjects)
{
string xmlSource = newObject.MetaData["XmlSource"] as string;
if (xmlSource != null && xmlSource == m_DataSource && newObject.Name == curObject.Name)
{
foundObject = true;
break;
}
}
if (!foundObject)
{
string src = (string)curObject.MetaData["XmlSource"];
if (src != null || src == m_DataSource)
{
delList.Add(curObject);
}
}
}
foreach (RenderableObject o in addList)
{
curList.Add(o);
}
foreach (RenderableObject o in delList)
{
curList.Remove(o);
}
}
/// <summary>
/// Enables layer with specified name
/// 使图层可以用 。
/// </summary>
/// <returns>False if layer not found.</returns>
public virtual bool Enable(string name)
{
if (name == null || name.Length == 0)
{
return(true);
}
string lowerName = name.ToLower();
foreach (RenderableObject ro in m_children)
{
if (ro.Name.ToLower() == lowerName)
{
ro.IsOn = true;
return(true);
}
RenderableObjectList rol = ro as RenderableObjectList;
if (rol == null)
{
continue;
}
// Recurse down
if (rol.Enable(name))
{
rol.isOn = true;
return(true);
}
}
return(false);
}
private void UpdateRenderable(RenderableObject oldRenderable, RenderableObject newRenderable)
{
if (oldRenderable is Icon && newRenderable is Icon)
{
Icon oldIcon = (Icon)oldRenderable;
Icon newIcon = (Icon)newRenderable;
oldIcon.SetPosition((float)newIcon.Latitude, (float)newIcon.Longitude, (float)newIcon.Altitude);
}
else if (oldRenderable is RenderableObjectList && newRenderable is RenderableObjectList)
{
RenderableObjectList oldList = (RenderableObjectList)oldRenderable;
RenderableObjectList newList = (RenderableObjectList)newRenderable;
compareRefreshLists(newList, oldList);
}
}
/// <summary>
/// 删除一个图层。
/// </summary>
public virtual void Delete()
{
RenderableObjectList list = this.ParentList;
string xmlConfigFile = (string)this.MetaData["XmlSource"];
if (this.ParentList.Name == "Earth")
{
string message = "是否删除图层 '" + this.Name + "' ?";
if (DialogResult.Yes != MessageBox.Show(message, "删除图层", MessageBoxButtons.YesNo, MessageBoxIcon.Warning,
MessageBoxDefaultButton.Button2))
{
return;
}
this.ParentList.Remove(this);
}
else
{
throw new Exception("无法删除此图层");
}
}
/// <summary>
/// Add a child object to this layer.
/// 添加一个 孩子 到这个图层。
/// </summary>
public virtual void Add(RenderableObject ro)
{
try
{
lock (this.m_children.SyncRoot)
{
RenderableObjectList dupList = null;
RenderableObject duplicate = null;
ro.ParentList = this;
foreach (RenderableObject childRo in m_children)
{
if (childRo is RenderableObjectList && childRo.Name == ro.Name)
{
dupList = (RenderableObjectList)childRo;
break;
}
else if (childRo.Name == ro.Name)
{
duplicate = childRo;
break;
}
}
if (dupList != null)
{
RenderableObjectList rol = (RenderableObjectList)ro;
foreach (RenderableObject childRo in rol.ChildObjects)
{
dupList.Add(childRo);
}
}
else
{
if (duplicate != null)
{
for (int i = 1; i < 100; i++)
{
ro.Name = string.Format("{0} [{1}]", duplicate.Name, i);
bool found = false;
foreach (RenderableObject childRo in m_children)
{
if (childRo.Name == ro.Name)
{
found = true;
break;
}
}
if (!found)
{
break;
}
}
}
m_children.Add(ro);
}
SortChildren();
}
}
catch
{
}
}