/// <summary>
/// Toggle the visibility of a feature layer in an ArcGIS Dynamic Map Service Layer
/// </summary>
private void OnToggleFeatureLayer(object sender, RoutedEventArgs e)
{
HideConextMenu();
TOCNodeInfo nodeInfo = null;
TreeViewItem treeNode = null;
if (sender is CheckBox)
{
CheckBox checkBox = sender as CheckBox;
treeNode = checkBox.Tag as TreeViewItem;
nodeInfo = treeNode.Tag as TOCNodeInfo;
}
else if (sender is RadioButton)
{
RadioButton radioBox = sender as RadioButton;
treeNode = radioBox.Tag as TreeViewItem;
nodeInfo = treeNode.Tag as TOCNodeInfo;
}
if (treeNode != null && nodeInfo != null)
{
TreeViewItem mapNode = GetMapLayerNode(treeNode);
ArcGISDynamicMapServiceLayer dynamicLayer = this.MapControl.Layers[nodeInfo.MapID] as ArcGISDynamicMapServiceLayer;
int[] oldVisibles = (int[])dynamicLayer.VisibleLayers.Clone();
List <int> visLayers = new List <int>();
GetVisibleLayerIDs(mapNode, visLayers);
dynamicLayer.VisibleLayers = visLayers.ToArray();
EventCenter.DispatchMapLayerVisibilityChangeEvent(this, new MapLayerVisibilityChangeEventArgs(dynamicLayer, oldVisibles));
}
}
/// <summary>
/// Toggle the Visibilities of a Group of Layers
/// </summary>
private void MenuItemToggleGroup_Click(object sender, MenuItemClickEventArgs e)
{
if (e.ItemTag is TreeViewItem)
{
bool show = (sender == MenuItemShowAll);
TreeViewItem treeItem = e.ItemTag as TreeViewItem;
ToggleChildNodes(treeItem, show);
string mapID = "";
bool isMapNode = false;
TreeViewItem mapLayerNode = null;
if (treeItem.Tag is LivingMapLayer)
{
mapID = (treeItem.Tag as LivingMapLayer).ID;
mapLayerNode = treeItem;
isMapNode = true;
}
else if (treeItem.Tag is TOCNodeInfo)
{
mapID = (treeItem.Tag as TOCNodeInfo).MapID;
mapLayerNode = GetMapLayerNode(treeItem);
}
if (treeItem.Header is CheckBox)
{
(treeItem.Header as CheckBox).IsChecked = show;
}
else if (treeItem.Header is RadioButton)
{
(treeItem.Header as RadioButton).IsChecked = show;
}
if (mapID != "")
{
ArcGISDynamicMapServiceLayer dynamicMap = this.MapControl.Layers[mapID] as ArcGISDynamicMapServiceLayer;
int[] oldVisibles = (int[])dynamicMap.VisibleLayers.Clone();
List <int> layerIDs = new List <int>();
GetVisibleLayerIDs(mapLayerNode, layerIDs);
dynamicMap.VisibleLayers = layerIDs.ToArray();
if (isMapNode)
{
dynamicMap.Visible = show;
}
EventCenter.DispatchMapLayerVisibilityChangeEvent(this, new MapLayerVisibilityChangeEventArgs(dynamicMap, oldVisibles));
}
HideConextMenu();
}
}
/// <summary>
/// Toggle the visibility of an ArcGIS Map Service Layer (Living Maps)
/// </summary>
private void OnToggleMapLayer(object sender, RoutedEventArgs e)
{
HideConextMenu();
if (sender is CheckBox)
{
CheckBox check = sender as CheckBox;
LivingMapLayer mapConfig = (check.Tag as TreeViewItem).Tag as LivingMapLayer;
Layer theLayer = this.MapControl.Layers[mapConfig.ID] as Layer;
if (theLayer != null)
{
theLayer.Visible = check.IsChecked.Value;
EventCenter.DispatchMapLayerVisibilityChangeEvent(this, new MapLayerVisibilityChangeEventArgs(theLayer));
}
}
}
private void OnLegendInfoSucceed(LayerLegendInfo legendInfo, TreeViewItem mapTreeNode)
{
layerCount++; // Count Legend-Initialized LivingMap
if (mapTreeNode != null && mapTreeNode.Tag != null)
{
LivingMapLayer mapConfig = mapTreeNode.Tag as LivingMapLayer;
if (legendInfo.LayerLegendInfos != null)
{
if (this.MapControl.Layers[mapConfig.ID] is ArcGISDynamicMapServiceLayer)
{
ArcGISDynamicMapServiceLayer dynamicLayer = this.MapControl.Layers[mapConfig.ID] as ArcGISDynamicMapServiceLayer;
List <int> layerIDs = GetDynamicMapLayerIDs(mapConfig, dynamicLayer.Layers);
List <int> visibleLayerIDs = new List <int>();
CreateDynamicLayerTree(mapConfig.ID, legendInfo, mapTreeNode, dynamicLayer.Layers, layerIDs, visibleLayerIDs, mapConfig.ToggleLayer, true);
// Initialize map visibilities
dynamicLayer.VisibleLayers = visibleLayerIDs.ToArray();
EventCenter.DispatchMapLayerVisibilityChangeEvent(this, new MapLayerVisibilityChangeEventArgs(dynamicLayer, new int[0]));
}
else
{
CreateCachedLayerTree(mapConfig.ID, legendInfo, mapTreeNode);
}
}
else if (legendInfo.LegendItemInfos != null) // Feature Layer
{
mapTreeNode.ItemTemplate = this.Resources["SymbolTreeNode"] as DataTemplate;
mapTreeNode.ItemsSource = legendInfo.LegendItemInfos;
}
}
if (layerCount == MapContentTree.Items.Count)
{
this.IsBusy = false;
}
}
