public void ToggleOpacity(sLayer layer)
{
if (layer == null) return;
layer.Layer.Opacity = (layer.Layer.Opacity > 0.1) ? 0 : 1;
}
private static IEnumerable<MenuItem> GetMenuItems(sLayer layer)
{
var r = new List<MenuItem>();
var menuLayer = layer.Layer as IMenuLayer;
if (menuLayer == null) return r;
var mi = menuLayer.GetMenuItems();
if (mi != null)
r.AddRange(mi);
return r;
}
public void LayerMenu(sLayer layer, FrameworkElement element)
{
if (layer == null) return;
var menu = new MenuPopupViewModel
{
RelativeElement = element,
RelativePosition = new Point(25, 0),
TimeOut = new TimeSpan(0, 0, 0, 5),
VerticalAlignment = VerticalAlignment.Bottom,
DisplayProperty = string.Empty
};
menu.Items.AddRange(GetMenuItems(layer));
if (menu.Items.Any()) AppState.Popups.Add(menu);
}
private static void LayerStructureAsString(int pLevel, sLayer pLayer, ref StringBuilder pLog)
{
pLog.AppendLine(Indent(pLevel * 3) + $"* {GetLayerType(pLayer)} '{pLayer.Title}'");
foreach (var child in pLayer.Children)
{
LayerStructureAsString(pLevel + 1, child, ref pLog);
}
}
private static string GetLayerType(sLayer pLayer)
{
if (pLayer.Layer == null) return "Unknown layer type";
if (pLayer.Layer is GroupLayer) return "Group layer";
return pLayer.Layer.GetType().Name;
}
public void CleanUpLayers(ref sLayer l)
{
var tbr = new List<sLayer>();
for (var i = 0; i < l.Children.Count; i++)
{
var c = l.Children[i];
c.HasMenu = GetMenuItems(c).Any();
if (c.Children == null || c.Children.Count > 0) continue; //
if (l.Layer is IStartStopLayer && !((IStartStopLayer)l.Layer).IsStarted)
{
tbr.Add(c);
}
if (c.Layer is IStartStopLayer && !((IStartStopLayer) c.Layer).IsStarted)
{
c.Children.Clear();
}
if (c.Layer is GraphicsLayer && !((GraphicsLayer)c.Layer).Graphics.Any())
{
tbr.Add(c);
}
if (c.Layer is GraphicsLayer && l.Children.Count == 1 && l.Title == c.Title)
{
tbr.Add(c);
}
//if (c.Layer is IStartStopLayer && c.Children != null && c.Children.Count == 1 && c.Children[0].Title == c.Title)
//{
// l.Children.Add(c);
// c.Children.Clear();
// tbr.Add(c);
//}
//else
if (c.Children == null || !c.Children.Any()) continue;
l.Children.Add(c.Children[0]);
c.Children.Clear();
tbr.Add(c);
}
foreach (var c in tbr)
{
l.Children.Remove(c);
}
foreach (var t in l.Children)
{
var c = t;
CleanUpLayers(ref c);
}
if (l.Path != null && expandedStates.ContainsKey(l.Path)) l.IsExpanded = expandedStates[l.Path];
}
public void UpdateLayers()
{
if (updating) return;
try
{
updating = true;
LogCs.LogMessage("(Re)build viewmodel for GIS layers.");
var startLayer = new sLayer();
ParseLayers(AppState.ViewDef.AcceleratedLayers, ref startLayer, "AcceleratedLayers", false);
ParseLayers(AppState.ViewDef.Layers, ref startLayer, "Layers", false);
ParseLayers(AppState.ViewDef.BaseLayers, ref startLayer, "BaseLayers", true);
CleanUpLayers(ref startLayer);
if (AppState.ViewDef.EsriLayers != null) // When is EsriLayers set??
{
ParseLayers(AppState.ViewDef.EsriLayers, ref startLayer, "BaseLayers", true);
}
StartLayer = startLayer; // Override with new layout
if (view != null)
{
//view.tvLayers.ItemsSource = StartLayer.Children;
view.tvStartLayer.ItemsSource = StartLayer.Children;
}
var layerStructure = LayerStructureAsString();
LogCs.LogMessage("GIS layers:\n" + layerStructure);
}
catch (Exception)
{
throw;
}
finally
{
updating = false;
}
}
public void Zoom(sLayer l)
{
try
{
MapViewDef.ZoomTo(l.Layer);
}
catch (Exception)
{
AppState.TriggerNotification("There is not a valid zoom level for " + l.Layer.ID);
}
}
public void ToggleTab(sLayer l)
{
if (l == null) return;
var tl = (ITabLayer)l.Layer;
if (tl.IsTabActive)
tl.OpenTab();
else tl.CloseTab();
}
public void Config(sLayer l)
{
var layer = l.Layer as ISettingsLayer;
if (layer != null) layer.StartSettings();
}
// Called when layer is deactivated (called from XAML)
internal void DeactivateGisLayer(sLayer l)
{
if (l == null || l.Path==null) return;
expandedStates[l.Path] = l.IsExpanded;
var wmsLayer = l as sWmsLayer;
if (wmsLayer != null) UpdateWmsLayer(wmsLayer.BaseLayer);
var ls = l.Layer as IStartStopLayer;
if (ls != null && ls.IsStarted && ls.CanStop)
{
ls.Stop();
return;
}
var gl = l.Layer as GraphicsLayer;
if (gl != null) {
gl.Opacity = 0;
return;
}
// Since we couldn't stop it, turn the visibility back on.
l.Visible = true;
}
// Called when layer is activated (called from XAML)
internal void ActivateGisLayer(sLayer l)
{
if (l == null || l.Path==null) return;
expandedStates[l.Path] = l.IsExpanded;
var wmsLayer = l as sWmsLayer;
if (wmsLayer != null) UpdateWmsLayer(wmsLayer.BaseLayer);
var gl = l.Layer as GraphicsLayer;
if (gl != null)
{
gl.Opacity = 1;
return;
}
var ls = l.Layer as IStartStopLayer;
if (ls == null) return;
if (!ls.IsStarted)
//ThreadPool.QueueUserWorkItem(delegate {
ls.Start();
//});
}
public void UpdateExpandState(sLayer l)
{
if (l == null || l.Path==null) return;
expandedStates[l.Path] = l.IsExpanded;
}
public void ParseEsriLayers(Layer layer, ref sLayer parent, string relativePath, bool include = true)
{
try
{
if (layer is IIgnoreLayer) return;
var nl = parent;
if (include)
{
var wmsLayer = layer as WmsLayer;
if (wmsLayer != null)
{
wmsLayer.Initialized -= w_Initialized;
wmsLayer.Initialized += w_Initialized;
var wms = new sWmsLayer
{
Layer = layer,
Title = layer.ID,
Parent = parent,
IsTabAvailable = layer is ITabLayer,
IsConfigAvailable = layer is ISettingsLayer
};
wms.BaseLayer = wms;
parent.Children.Add(wms);
wms.Path = relativePath + "\\" + wmsLayer.ID;
if (wmsLayer.LayerList.Count > 0)
{
foreach (var sl in wmsLayer.LayerList.OrderBy(l => l.Name))
{
ParseWmsLayers(layer, sl, ref wms);
}
}
}
else
{
nl = new sLayer
{
Layer = layer,
Title = layer.ID,
IsTabAvailable = layer is ITabLayer,
IsConfigAvailable = layer is ISettingsLayer,
IsService = layer is IStartStopLayer,
Parent = parent,
Path = relativePath + "\\" + layer.ID
};
var nl1 = nl;
layer.PropertyChanged += (s, f) =>
{
if (f.PropertyName == "Visible")
nl1.Visible = layer.Visible;
};
var onlineLayer = layer as IOnlineLayer;
if (onlineLayer != null)
{
nl.IsOnline = onlineLayer.IsOnline;
nl.IsShared = onlineLayer.IsShared;
}
parent.Children.Add(nl);
}
}
var gl = layer as GroupLayer;
if (gl == null) return;
foreach (var cl in gl.ChildLayers.OrderBy(l => l.ID))
{
//sLayer sl = new sLayer() {Layer = cl};
//nl.Children.Add(sl);
ParseLayers(cl, ref nl, relativePath + "\\" + cl.ID);
}
var children = layer as ILayerWithMoreChildren;
if (children != null)
{
foreach (var cl in children.Children.OrderBy(l => l.ID))
{
//sLayer sl = new sLayer() {Layer = cl};
//nl.Children.Add(sl);
ParseLayers(cl, ref nl, relativePath + "\\" + cl.ID);
}
}
gl.ChildLayers.CollectionChanged -= MakeDirty;
gl.ChildLayers.CollectionChanged += MakeDirty;
}
catch (Exception e)
{
LogCs.LogException("ParseLayer", e);
}
}
