//
// REMOVED because we no longer ever render all ROs in a a ROL without explicitly checking
// render priority anyway.
//
/// <summary>
/// Sorts the children list according to priority - ONLY called in worker thread (in Update())
/// </summary>
//private void SortChildren()
//{
// int index = 0;
// m_childrenRWLock.AcquireWriterLock(Timeout.Infinite);
// try
// {
// while (index + 1 < m_children.Count)
// {
// RenderableObject a = (RenderableObject)m_children[index];
// RenderableObject b = (RenderableObject)m_children[index + 1];
// if (a.RenderPriority > b.RenderPriority)
// {
// // Swap
// m_children[index] = b;
// m_children[index + 1] = a;
// index = 0;
// continue;
// }
// index++;
// }
// }
// finally
// {
// m_childrenRWLock.ReleaseWriterLock();
// m_needsSort = 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;
this.compareRefreshLists(newList, oldList);
}
}
private string getFullRenderableObjectName(RenderableObject ro, string name)
{
if (ro.ParentList == null)
{
return("/" + name);
}
else
{
if (name == null)
{
return(this.getFullRenderableObjectName(ro.ParentList, ro.Name));
}
else
{
return(this.getFullRenderableObjectName(ro.ParentList, ro.Name + "/" + name));
}
}
}
private int getIRenderableIndexFromParent(RenderableObject renderable)
{
if (renderable.ParentList == null)
{
return(-1);
}
else
{
for (int index = 0; index < renderable.ParentList.ChildObjects.Count; index++)
{
if (renderable == renderable.ParentList.ChildObjects[index])
{
return(index);
}
}
}
return(-1);
}
///<summary>
/// Goes to the extent specified by the bounding box for the QTS layer
/// or to the lat/lon for icons
/// </summary>
protected virtual void OnGotoClick(object sender, EventArgs e)
{
lock (this.ParentList.ChildObjects.SyncRoot)
{
for (int i = 0; i < this.ParentList.ChildObjects.Count; i++)
{
RenderableObject ro = (RenderableObject)this.ParentList.ChildObjects[i];
if (ro.Name.Equals(this.name))
{
if (ro is QuadTileSet)
{
QuadTileSet qts = (QuadTileSet)ro;
DrawArgs.Camera.SetPosition((qts.North + qts.South) / 2, (qts.East + qts.West) / 2);
double perpendicularViewRange = (qts.North - qts.South > qts.East - qts.West ? qts.North - qts.South : qts.East - qts.West);
double altitude = qts.LayerRadius * Math.Sin(MathEngine.DegreesToRadians(perpendicularViewRange * 0.5));
DrawArgs.Camera.Altitude = altitude;
break;
}
if (ro is Icon)
{
Icon ico = (Icon)ro;
DrawArgs.Camera.SetPosition(ico.Latitude, ico.Longitude);
DrawArgs.Camera.Altitude /= 2;
break;
}
if (ro is ShapeFileLayer)
{
ShapeFileLayer slayer = (ShapeFileLayer)ro;
DrawArgs.Camera.SetPosition((slayer.North + slayer.South) / 2, (slayer.East + slayer.West) / 2);
double perpendicularViewRange = (slayer.North - slayer.South > slayer.East - slayer.West ? slayer.North - slayer.South : slayer.East - slayer.West);
double altitude = slayer.MaxAltitude;
DrawArgs.Camera.Altitude = altitude;
break;
}
}
}
}
}
/// <summary>
/// Save a subset of the LM to a file.
/// </summary>
/// <param name="ro">RenderableObjectList to save</param>
/// <param name="file">Location for output</param>
public static void SaveAs(RenderableObject ro, string file)
{
XmlDocument worldDoc = new XmlDocument();
worldDoc.AppendChild((worldDoc.CreateXmlDeclaration("1.0", "utf-8", null)));
if (ro is RenderableObjectList)
{
//worldDoc.AppendChild(saveLayer((RenderableObjectList)ro, worldDoc));
worldDoc.AppendChild(ro.ToXml(worldDoc));
}
else
{
RenderableObjectList rol = new RenderableObjectList("Saved");
rol.Add(ro);
worldDoc.AppendChild(saveLayer(rol, worldDoc));
}
worldDoc.Save(file);
}
/// <summary>
/// Return the first direct child with a given name.
/// </summary>
/// <example>Get the placenames LayerSet.
/// <code>
/// RenderableObject placenames = CurrentWorld.RenderableObjects.GetObject("Placenames"));
/// </code></example>
/// <param name="name">The name to search for</param>
/// <returns>The first <c>RenderableObject</c> that matched the specified name, or <c>nullk</c> if none was found.</returns>
public virtual RenderableObject GetObject(string name)
{
RenderableObject result = null;
this.m_childrenRWLock.AcquireReaderLock(Timeout.Infinite);
try
{
foreach (RenderableObject ro in this.m_children)
{
if (ro.Name.Equals(name))
{
result = ro;
break;
}
}
}
finally
{
this.m_childrenRWLock.ReleaseReaderLock();
}
return(result);
}
/// <summary>
/// Gets the xml for properties in the base RO class.
/// </summary>
/// <param name="ro">The RenderableObject to parse</param>
/// <param name="roNode">the XmlNode for the object</param>
public static void getRenderableObjectProperties(RenderableObject ro, XmlNode roNode)
{
XmlDocument worldDoc = roNode.OwnerDocument;
// TODO: what about Thumbnail, ThumbnailImage, IconImagePath, etc.?
// do those even get used for anything?
XmlNode nameNode = worldDoc.CreateElement("Name");
nameNode.AppendChild(worldDoc.CreateTextNode(ro.Name));
roNode.AppendChild(nameNode);
XmlNode descNode = worldDoc.CreateElement("Description");
descNode.AppendChild(worldDoc.CreateTextNode(ro.Description));
roNode.AppendChild(descNode);
XmlNode opacityNode = worldDoc.CreateElement("Opacity");
opacityNode.AppendChild(worldDoc.CreateTextNode(ro.Opacity.ToString(CultureInfo.InvariantCulture)));
roNode.AppendChild(nameNode);
XmlNode renderPriorityNode = worldDoc.CreateElement("RenderPriority");
renderPriorityNode.AppendChild(worldDoc.CreateTextNode(ro.RenderPriority.ToString()));
roNode.AppendChild(renderPriorityNode);
// Attributes
XmlAttribute isOnAttribute = worldDoc.CreateAttribute("ShowAtStartup");
isOnAttribute.Value = ro.IsOn.ToString(CultureInfo.InvariantCulture);
roNode.Attributes.Append(isOnAttribute);
XmlAttribute infoUriAttribute = worldDoc.CreateAttribute("InfoUri");
infoUriAttribute.Value = (string)ro.MetaData["InfoUri"];
roNode.Attributes.Append(infoUriAttribute);
}
public SurfaceImage(string imageFilePath, double north, double south, double west, double east, Texture texture, RenderableObject parentRenderable)
{
m_ParentRenderable = parentRenderable;
m_ImageFilePath = imageFilePath;
m_North = north;
m_South = south;
m_West = west;
m_East = east;
m_Texture = texture;
}
/// <summary>
/// Initializes a new instance of the <see cref= "T:WorldWind.LayerMenuItem"/> class.
/// </summary>
/// <param name="parent"></param>
/// <param name="renderableObject"></param>
public LayerMenuItem(LayerManagerMenu parent, RenderableObject renderableObject)
{
this.m_renderableObject = renderableObject;
this.m_parent = parent;
}
/// <summary>
/// Removes all deleted ROs. Called only in Update (Worker thread)
/// </summary>
private void Remove()
{
// get the writer lock for the delList because we need to clear at the end.
// if we just do a reader lock and upgrade you can get another
// writer in there which means we'd clear the delList before
// we remove new items for deletion from the child list.
this.m_delRWLock.AcquireWriterLock(Timeout.Infinite);
try
{
// if we need to clear everyone just do it.
if (this.m_delAll)
{
if (this.GetWriterLock(10))
{
try
{
while (this.m_children.Count > 0)
{
RenderableObject ro = (RenderableObject)this.m_children[0];
this.m_children.RemoveAt(0);
ro.Dispose();
}
}
finally
{
this.m_childrenRWLock.ReleaseWriterLock();
}
this.m_delAll = false;
// we can safely clear the list
this.m_delList.Clear();
}
else
{
// try next update cycle
}
}
else
{
// get a writer lock so we can remove from the child list
if (this.GetWriterLock(10))
{
try
{
foreach (object data in this.m_delList)
{
RenderableObject rod = data as RenderableObject;
if (rod != null)
{
this.m_children.Remove(rod);
rod.ParentList = null;
rod.Dispose();
}
string objectName = data as String;
if (objectName != null)
{
for (int i = 0; i < this.m_children.Count; i++)
{
RenderableObject ro = (RenderableObject)this.m_children[i];
if (ro.Name.Equals(objectName))
{
this.m_children.RemoveAt(i);
ro.ParentList = null;
ro.Dispose();
break;
}
}
}
}
// we can safely clear the list
this.m_delList.Clear();
}
finally
{
this.m_childrenRWLock.ReleaseWriterLock();
}
}
else
{
// try next update cycle
}
}
}
finally
{
this.m_delRWLock.ReleaseWriterLock();
}
}
/// <summary>
/// Add a child object to this layer. If the new object has the same name as an existing object in this
/// ROL it gets a number appended. If the new object is a ROL and there was already a ROL with the same
/// name then the children of the new ROL gets added to the old ROL.
///
/// Not sure who uses this but the functionality was kept this way.
/// </summary>
public virtual void Add(RenderableObject ro)
{
ro.ParentList = this;
RenderableObjectList dupList = null;
RenderableObject duplicate = null;
// We get a write lock here because if you get a reader lock and then upgrade
// the data can change on us before we get the write lock.
//
// This is somewhat unfortunate since we spend a bit of time going through the
// child list.
//
// if we can't get the writer lock in 2 seconds something is probably borked
if (this.GetWriterLock(200))
{
try
{
// find duplicate names
foreach (RenderableObject childRo in this.m_children)
{
if (childRo is RenderableObjectList &&
ro is RenderableObjectList &&
childRo.Name == ro.Name)
{
dupList = (RenderableObjectList)childRo;
break;
}
else if (childRo.Name == ro.Name)
{
duplicate = childRo;
break;
}
}
// if we have two ROLs with the same name, don't rename the new ROL but add the children of the new ROL to the
// existing ROL.
if (dupList != null)
{
RenderableObjectList rol = (RenderableObjectList)ro;
foreach (RenderableObject childRo in rol.ChildObjects)
{
dupList.Add(childRo);
}
}
else
{
// Try to find an unused number for this name
if (duplicate != null)
{
for (int i = 1; i < 1000; i++)
{
ro.Name = string.Format("{0} [{1}]", duplicate.Name, i);
bool found = false;
foreach (RenderableObject childRo in this.m_children)
{
if (childRo.Name == ro.Name)
{
found = true;
break;
}
}
if (!found)
{
break;
}
}
}
// Add the new child
this.m_children.Add(ro);
// Resort during the next update
// NeedsSort = true;
}
}
finally
{
this.m_childrenRWLock.ReleaseWriterLock();
}
}
else
{
MessageBox.Show("Unable to add new object " + ro.Name);
}
}
