private void Enable()
{
Debug.Assert(layer != null, "We cannot decide whether the form is enabled without layer!");
var enabled = layer.IsRequestedIndividually() && supportedCrs.SelectedIndex != -1;
supportedCrs.Enabled = enabled;
downloadOneImage.Enabled = enabled && !layer.IsLeaf();
autoUpdate.Enabled = enabled;
imageFormats.Enabled = enabled;
Debug.Assert(!enabled || imageFormats.SelectedIndex != -1,
"At least one image format must be selected!");
transparent.Enabled = enabled && Wms.AbleToBeTransparent(layer.ImageFormat);
transparentColor.Enabled = enabled;
imageAddress.Enabled = enabled;
}
public void Refresh(Layer newLayer)
{
layer = newLayer;
if (newLayer != null)
{
FillCrsComboBox();
layerTitle.Text = newLayer.Title;
layerDescription.Text = newLayer.Description;
downloadOneImage.Checked = newLayer.DownloadOneImage;
autoUpdate.Checked = newLayer.AutoUpdate;
FillImageFormatsComboBox();
transparent.Checked = newLayer.IsTransparent && Wms.AbleToBeTransparent(newLayer.ImageFormat);
transparentColor.Text = ColorTranslator.ToHtml(newLayer.BgColor);
transparentColor.ForeColor = GetContrastColor(newLayer.BgColor);
transparentColor.BackColor = newLayer.BgColor;
Enabled = true;
Enable();
}
else
{
Enabled = false;
supportedCrs.Items.Clear();
layerTitle.Text = string.Empty;
layerDescription.Text = string.Empty;
downloadOneImage.Checked = true;
autoUpdate.Checked = true;
imageFormats.Items.Clear();
transparent.Checked = true;
transparentColor.Text = string.Empty;
transparentColor.ForeColor = SystemColors.WindowText;
transparentColor.BackColor = SystemColors.Control;
}
RefreshImageAddress();
}