private List <CommonLayer> GetLegendLayers()
{
StringCollection visibleLayers = null;
if (_pixelSize > 0 && _appState.VisibleLayers.ContainsKey(_appState.MapTab))
{
visibleLayers = _appState.VisibleLayers[_appState.MapTab];
}
Configuration config = AppContext.GetConfiguration();
Configuration.MapTabRow mapTab = config.MapTab.FindByMapTabID(_appState.MapTab);
CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTab);
List <CommonLayer> layerList = new List <CommonLayer>();
List <String> mapTabLayerIds = new List <String>();
foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows())
{
Configuration.LayerRow layer = mapTabLayer.LayerRow;
mapTabLayerIds.Add(layer.LayerID);
CommonLayer commonLayer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, layer.LayerName, true) == 0);
if (commonLayer.Type == CommonLayerType.Feature && !layerList.Contains(commonLayer))
{
bool hasClasses = GetNumClasses(commonLayer) > 0;
bool visibleAtScale = _pixelSize <= 0 || commonLayer.IsWithinScaleThresholds(_pixelSize);
bool shownInLegend = !mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1;
bool checkedInLegend = mapTabLayer.IsCheckInLegendNull() || mapTabLayer.CheckInLegend < 0 || visibleLayers == null || visibleLayers.Contains(layer.LayerID);
bool shownInPrintLegend = !(!mapTabLayer.IsShowInPrintLegendNull() && mapTabLayer.ShowInPrintLegend == 0);
if (hasClasses && visibleAtScale && shownInLegend && checkedInLegend && shownInPrintLegend)
{
layerList.Add(commonLayer);
while (commonLayer.Parent != null)
{
commonLayer = commonLayer.Parent;
if (!layerList.Contains(commonLayer))
{
layerList.Add(commonLayer);
}
}
}
}
}
if (!mapTab.IsBaseMapIDNull() && !mapTab.IsShowBaseMapInLegendNull() && mapTab.ShowBaseMapInLegend == 1)
{
foreach (Configuration.LayerRow layer in config.Layer.Where(o => !o.IsBaseMapIDNull() && o.BaseMapID == mapTab.BaseMapID))
{
if (!mapTabLayerIds.Contains(layer.LayerID))
{
CommonLayer commonLayer = dataFrame.Layers.FirstOrDefault(o => String.Compare(o.Name, layer.LayerName, true) == 0);
if (commonLayer.Type == CommonLayerType.Feature && !layerList.Contains(commonLayer))
{
bool hasClasses = GetNumClasses(commonLayer) > 0;
bool visibleAtScale = _pixelSize <= 0 || commonLayer.IsWithinScaleThresholds(_pixelSize);
if (hasClasses && visibleAtScale)
{
layerList.Add(commonLayer);
while (commonLayer.Parent != null)
{
commonLayer = commonLayer.Parent;
if (!layerList.Contains(commonLayer))
{
layerList.Add(commonLayer);
}
}
}
}
}
}
}
return(layerList);
}
public void Initialize(Configuration config, AppState appState, Configuration.ApplicationRow application)
{
foreach (Configuration.ApplicationMapTabRow appMapTabRow in application.GetApplicationMapTabRows())
{
Configuration.MapTabRow mapTabRow = appMapTabRow.MapTabRow;
CommonDataFrame dataFrame = AppContext.GetDataFrame(mapTabRow);
bool isInteractive = !mapTabRow.IsInteractiveLegendNull() && mapTabRow.InteractiveLegend == 1;
CheckMode checkMode = CheckMode.None;
List <CommonLayer> configuredLayers = new List <CommonLayer>();
List <LayerProperties> layerProperties = new List <LayerProperties>();
List <String> mapTabLayerIds = new List <String>();
string name = null;
string metaDataUrl = null;
StringCollection visibleLayers = isInteractive ? appState.VisibleLayers[mapTabRow.MapTabID] : null;
// find layers attached via MapTabLayer
foreach (Configuration.MapTabLayerRow mapTabLayerRow in mapTabRow.GetMapTabLayerRows())
{
if (!mapTabLayerRow.IsShowInLegendNull() && mapTabLayerRow.ShowInLegend == 1)
{
CommonLayer layer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, mapTabLayerRow.LayerRow.LayerName, true) == 0);
name = mapTabLayerRow.LayerRow.IsDisplayNameNull() ? mapTabLayerRow.LayerRow.LayerName : mapTabLayerRow.LayerRow.DisplayName;
metaDataUrl = mapTabLayerRow.LayerRow.IsMetaDataURLNull() ? null : mapTabLayerRow.LayerRow.MetaDataURL;
bool isExclusive = mapTabLayerRow.IsIsExclusiveNull() ? false : mapTabLayerRow.IsExclusive == 1;
string tag = mapTabLayerRow.LayerID;
mapTabLayerIds.Add(tag);
if (isInteractive)
{
bool layerVisible = visibleLayers != null && visibleLayers.Contains(mapTabLayerRow.LayerID);
checkMode = mapTabLayerRow.IsCheckInLegendNull() || mapTabLayerRow.CheckInLegend < 0 ? CheckMode.Empty :
layerVisible ? CheckMode.Checked : CheckMode.Unchecked;
}
configuredLayers.Add(layer);
layerProperties.Add(new LayerProperties(name, tag, checkMode, isExclusive, metaDataUrl));
}
}
// find layers attached via BaseMapID
if (!mapTabRow.IsBaseMapIDNull() && !mapTabRow.IsShowBaseMapInLegendNull() && mapTabRow.ShowBaseMapInLegend == 1)
{
if (checkMode != CheckMode.None)
{
checkMode = CheckMode.Empty;
}
foreach (DataRow row in config.Layer.Select("BaseMapID = '" + mapTabRow.BaseMapID + "'"))
{
Configuration.LayerRow layerRow = (Configuration.LayerRow)row;
if (!mapTabLayerIds.Contains(layerRow.LayerID))
{
CommonLayer layer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, layerRow.LayerName, true) == 0);
metaDataUrl = layerRow.IsMetaDataURLNull() ? null : layerRow.MetaDataURL;
configuredLayers.Add(layer);
layerProperties.Add(new LayerProperties(layerRow.Name, null, checkMode, false, metaDataUrl));
}
}
}
// add group layers as necessary
for (int i = 0; i < configuredLayers.Count; ++i)
{
checkMode = !isInteractive ? CheckMode.None : layerProperties[i].CheckMode == CheckMode.Checked ? CheckMode.Checked : CheckMode.Unchecked;
CommonLayer parent = configuredLayers[i].Parent;
while (parent != null)
{
int index = configuredLayers.IndexOf(parent);
if (index < 0)
{
configuredLayers.Add(parent);
layerProperties.Add(new LayerProperties(parent.Name, null, checkMode, false, null));
}
else
{
if (checkMode == CheckMode.Checked && layerProperties[index].CheckMode == CheckMode.Unchecked)
{
layerProperties[index].CheckMode = CheckMode.Checked;
}
}
parent = parent.Parent;
}
}
// create the top level legend control for this map tab
HtmlGenericControl parentLegend = new HtmlGenericControl("div");
pnlLegendScroll.Controls.Add(parentLegend);
parentLegend.Attributes["data-maptab"] = appMapTabRow.MapTabID;
parentLegend.Attributes["class"] = "LegendTop";
parentLegend.Style["display"] = appMapTabRow.MapTabID == appState.MapTab ? "block" : "none";
// add the Legend controls for the configured layers
foreach (CommonLayer layer in dataFrame.TopLevelLayers)
{
AddLayerToLegend(mapTabRow.MapTabID, configuredLayers, layerProperties, parentLegend, layer);
}
}
}