/// <summary>
/// Removes a layer from the child layer list
/// </summary>
/// <param name="objectName">Name of object to remove</param>
public virtual void Remove(string objectName)
{
lock (this.m_children.SyncRoot)
{
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.Dispose();
ro.ParentList = null;
break;
}
}
}
}
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>
/// Sorts the children list according to priority
/// TODO: Redesign the render tree to perhaps a list, to enable proper sorting
/// </summary>
public virtual void SortChildren()
{
int index = 0;
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++;
}
}
///<summary>
/// 使照相机ZOOM到图层的位置。
/// </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(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;
}
else
{
double north = Convert.ToDouble(ro.MetaData["north"]);
double south = Convert.ToDouble(ro.MetaData["south"]);
double west = Convert.ToDouble(ro.MetaData["west"]);
double east = Convert.ToDouble(ro.MetaData["east"]);
DrawArgs.Camera.SetPosition((north + south) / 2, (west + east) / 2);
}
if (ro is Icon)
{
Icon ico = (Icon)ro;
DrawArgs.Camera.SetPosition(ico.Latitude, ico.Longitude);
DrawArgs.Camera.Altitude /= 2;
break;
}
}
}
}
}
/// <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
{
}
}
/// <summary>
/// 刷新图标集合图层
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void refreshTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
if (isUpdating)
{
return;
}
isUpdating = true;
try
{
for (int i = 0; i < this.ChildObjects.Count; i++)
{
RenderableObject ro = (RenderableObject)this.ChildObjects[i];
if (ro != null && ro.IsOn && ro is Icon)
{
Icon icon = (Icon)ro;
if (icon.RefreshInterval == TimeSpan.MaxValue || icon.LastRefresh > System.DateTime.Now - icon.RefreshInterval)
{
continue;
}
object key = null;
IconTexture iconTexture = null;
if (icon.TextureFileName != null && icon.TextureFileName.Length > 0)
{
if (icon.TextureFileName.ToLower().StartsWith("http://") && icon.SaveFilePath != null)
{
//download it
try
{
Qrst.Net.WebDownload webDownload = new Qrst.Net.WebDownload(icon.TextureFileName);
webDownload.DownloadType = Qrst.Net.DownloadType.Unspecified;
System.IO.FileInfo saveFile = new System.IO.FileInfo(icon.SaveFilePath);
if (!saveFile.Directory.Exists)
{
saveFile.Directory.Create();
}
webDownload.DownloadFile(saveFile.FullName);
}
catch { }
iconTexture = (IconTexture)m_textures[icon.SaveFilePath];
if (iconTexture != null)
{
IconTexture tempTexture = iconTexture;
m_textures[icon.SaveFilePath] = new IconTexture(DrawArgs.Device, icon.SaveFilePath);
tempTexture.Dispose();
}
else
{
key = icon.SaveFilePath;
iconTexture = new IconTexture(DrawArgs.Device, icon.SaveFilePath);
// New texture, cache it
m_textures.Add(key, iconTexture);
// Use default dimensions if not set
if (icon.Width == 0)
{
icon.Width = iconTexture.Width;
}
if (icon.Height == 0)
{
icon.Height = iconTexture.Height;
}
}
}
else
{
// Icon image from file
iconTexture = (IconTexture)m_textures[icon.TextureFileName];
if (iconTexture != null)
{
IconTexture tempTexture = iconTexture;
m_textures[icon.SaveFilePath] = new IconTexture(DrawArgs.Device, icon.TextureFileName);
tempTexture.Dispose();
}
else
{
key = icon.SaveFilePath;
iconTexture = new IconTexture(DrawArgs.Device, icon.TextureFileName);
// New texture, cache it
m_textures.Add(key, iconTexture);
// Use default dimensions if not set
if (icon.Width == 0)
{
icon.Width = iconTexture.Width;
}
if (icon.Height == 0)
{
icon.Height = iconTexture.Height;
}
}
}
}
else
{
// Icon image from bitmap
if (icon.Image != null)
{
iconTexture = (IconTexture)m_textures[icon.Image];
if (iconTexture != null)
{
IconTexture tempTexture = iconTexture;
m_textures[icon.SaveFilePath] = new IconTexture(DrawArgs.Device, icon.Image);
tempTexture.Dispose();
}
else
{
key = icon.SaveFilePath;
iconTexture = new IconTexture(DrawArgs.Device, icon.Image);
// New texture, cache it
m_textures.Add(key, iconTexture);
// Use default dimensions if not set
if (icon.Width == 0)
{
icon.Width = iconTexture.Width;
}
if (icon.Height == 0)
{
icon.Height = iconTexture.Height;
}
}
}
}
icon.LastRefresh = System.DateTime.Now;
}
}
}
catch { }
finally
{
isUpdating = false;
}
}
/// <summary>
/// 添加一个Icon对象.
/// </summary>
public override void Add(RenderableObject ro)
{
m_children.Add(ro);
isInitialized = false;
}
