/// <summary>
/// Edits a value based on some user input which is collected from a character control.
/// </summary>
/// <param name="context"></param>
/// <param name="provider"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
_dialogProvider = provider.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
List <int> layerList = new List <int>();
LayoutLegend legend = context.Instance as LayoutLegend;
LayoutMap map = null;
if (legend != null)
{
map = legend.Map;
}
if (map == null)
{
return(layerList);
}
CheckedListBox lb = new CheckedListBox();
List <int> originalList = value as List <int>;
if (originalList != null)
{
for (int i = map.MapControl.Layers.Count - 1; i >= 0; i--)
{
lb.Items.Add(map.MapControl.Layers[i].LegendText, originalList.Contains(i));
}
}
if (_dialogProvider != null)
{
_dialogProvider.DropDownControl(lb);
}
for (int i = 0; i < lb.Items.Count; i++)
{
if (lb.GetItemChecked(i))
{
layerList.Add(lb.Items.Count - 1 - i);
}
}
return(layerList);
}
/// <summary>
/// Pans the map the specified amount
/// </summary>
/// <param name="lm">the layout map to pan</param>
/// <param name="x">The distance to pan the map on x-axis in screen coord</param>
/// <param name="y">The distance to pan the map on y-axis in screen coord</param>
public void PanMap(LayoutMap lm, float x, float y)
{
RectangleF mapOnScreen = PaperToScreen(lm.Rectangle);
lm.PanMap((lm.Envelope.Width / mapOnScreen.Width) * x, (lm.Envelope.Height / mapOnScreen.Height) * -y);
}
/// <summary>
/// Zooms the specified map element to the full extent of its layers
/// </summary>
public void ZoomFullExtentMap(LayoutMap lm)
{
lm.ZoomToFullExtent();
}
/// <summary>
/// Zoom the specified map to the extent of the data view
/// </summary>
public void ZoomFullViewExtentMap(LayoutMap lm)
{
lm.ZoomViewExtent();
}
/// <summary>
/// Zooms the specified map element out by 10%
/// </summary>
public void ZoomOutMap(LayoutMap lm)
{
lm.ZoomOutMap();
}
