public MgLegendControlPresenter(ILegendView legend, MgMapViewerProvider provider)
{
_legend = legend;
_provider = provider;
_map = _provider.GetMap();
InitInitialSelectabilityStates();
_resSvc = (MgResourceService)_provider.CreateService(MgServiceType.ResourceService);
_selectableIcon = Properties.Resources.lc_select;
_unselectableIcon = Properties.Resources.lc_unselect;
}
/// <summary>
/// Initializes this viewer with the specified viewer provider, if the provider contains a map
/// it will load that as well. Otherwise a call to <see cref="LoadMap"/> is required afterwards
/// </summary>
/// <param name="provider">The provider.</param>
public void Init(MgMapViewerProvider provider)
{
if (_agfRW == null)
_agfRW = new MgAgfReaderWriter();
if (_wktRW == null)
_wktRW = new MgWktReaderWriter();
if (_geomFact == null)
_geomFact = new MgGeometryFactory();
_provider = provider;
if (_resSvc != null) //Forward looking, dispose the existing one as it may be of a different implementation
{
_resSvc.Dispose();
_resSvc = null;
}
_resSvc = (MgResourceService)_provider.CreateService(MgServiceType.ResourceService);
_overlayRenderOpts = CreateMapRenderingOptions(0, 0, 255);
_selectionRenderOpts = CreateSelectionRenderingOptions(0, 0, 255);
if (_provider != null)
{
_provider.MapLoaded -= OnMapSetOnProvider;
_provider = null;
}
_provider = provider;
_provider.MapLoaded += OnMapSetOnProvider;
var map = _provider.GetMap();
if (map != null)
OnMapSetOnProvider(this, EventArgs.Empty);
}