protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
//load available components
if (!DesignMode)
{
new CompositionContainer(new DirectoryCatalog(m_CatalogPath)).ComposeParts(this);
}
else
{
m_ComponentFactories = new List <ExportFactory <T, TMetaData> >();
}
int colIdx = 0;
int rowIdx = 0;
if (m_ComponentFactories.Count == 1)
{
//only one component, select it!
ComponentSelected?.Invoke(this, m_ComponentFactories.First());
return;
}
foreach (ExportFactory <T, TMetaData> factory in m_ComponentFactories)
{
if (colIdx != 0 && rowIdx == 0)
{
MainLayout.ColumnCount++;
MainLayout.ColumnStyles.Add(new ColumnStyle(SizeType.Percent));
//adjust width
foreach (ColumnStyle column in MainLayout.ColumnStyles)
{
column.Width = 1.0f / MainLayout.ColumnCount;
}
}
Button btn = new Button
{
Text = factory.Metadata.Name,
Anchor = AnchorStyles.None,
Width = 80,
Height = 50,
Tag = factory
};
btn.Click += OnClick;
MainLayout.Controls.Add(btn, colIdx, rowIdx);
if (++colIdx >= c_MaxColumns)
{
colIdx = 0;
//TODO: Handle pages!
rowIdx++;
MainLayout.RowCount++;
MainLayout.RowStyles.Add(new RowStyle(SizeType.Percent));
//adjust height
foreach (RowStyle row in MainLayout.RowStyles)
{
row.Height = 1.0f / MainLayout.RowCount;
}
}
}
}
private void OnButtonClick(object sender, EventArgs e)
{
try
{
if (!(sender is Button btn))
{
return;
}
Guid guid = (Guid)btn.Tag;
ComponentSelected?.Invoke(this, new PluginEventArgs(guid));
}
catch (Exception ex)
{
Debug.Fail(ex.ToString());
_log.Debug(ex.ToString());
}
}
private void ComponentSelectedHandler(object sender, ComponentEventArgs e)
{
ComponentSelected?.Invoke(sender, e);
}
private void OnClick(object sender, EventArgs e)
{
ComponentSelected?.Invoke(this, (sender as Button).Tag as ExportFactory <T, TMetaData>);
}