public void Refresh(FeatureLayer displayLayer, WinformsMap map)
{
FeatureLayer = displayLayer;
Draw(map.CurrentScale);
Controls.Clear();
Label LegendTitleLabel = new Label();
LegendTitleLabel.AutoSize = true;
LegendTitleLabel.TextAlign = ContentAlignment.MiddleLeft;
LegendTitleLabel.Location = new Point(5, 15);
LegendTitleLabel.Text = Title;
LegendTitleLabel.Font = new Font("Segoe UI", 12F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(0)));
Size textSize = TextRenderer.MeasureText(LegendTitleLabel.Text, LegendTitleLabel.Font);
int maxPanelWidth = LegendTitleLabel.Location.X + textSize.Width;
Controls.Add(LegendTitleLabel);
int legendItemHeight = 55;
foreach (var item in LegendItems.Where(i => i.Image != null && !string.IsNullOrEmpty(i.Title)))
{
PictureBox ItemImagePicture = new PictureBox();
ItemImagePicture.Location = new Point(10, legendItemHeight);
ItemImagePicture.Size = item.Image.Size;
ItemImagePicture.Image = item.Image;
Label TextLabel = new Label();
TextLabel.AutoSize = true;
TextLabel.Text = item.Title;
TextLabel.Location = new Point(ItemImagePicture.Location.X + ItemImagePicture.Width + 10, legendItemHeight + ItemImagePicture.Height / 2 - 6);
textSize = TextRenderer.MeasureText(TextLabel.Text, TextLabel.Font);
maxPanelWidth = maxPanelWidth < TextLabel.Location.X + textSize.Width ? TextLabel.Location.X + textSize.Width : maxPanelWidth;
legendItemHeight += ItemImagePicture.Height + 5;
Controls.Add(ItemImagePicture);
Controls.Add(TextLabel);
}
Location = new Point(Location.X, map.Height + map.Top - legendItemHeight - 9);
Height = legendItemHeight + 10;
Width = maxPanelWidth + 20;
}
protected void ItemOnItemSelected(object sender, EventArgs e)
{
ItemViewModel viewModel = (ItemViewModel)sender;
SelectedLegendItem = null;
if (viewModel.IsSelected == false)
{
return;
}
SelectedLegendItem = viewModel;
foreach (ItemViewModel itemViewModel in LegendItems.Where(x => !ReferenceEquals(x, viewModel)))
{
itemViewModel.IsSelected = false;
}
}