/// <summary>
/// Handles the user command to show custom settings.
/// </summary>
protected override void ShowSettings()
{
List <DashboardBlockType> blockTypes;
//
// Get the current configuration settings for the list of available blocks.
//
try
{
blockTypes = JsonConvert.DeserializeObject <List <DashboardBlockType> >(GetAttributeValue("AvailableBlocks"));
if (blockTypes == null)
{
blockTypes = new List <DashboardBlockType>();
}
}
catch
{
blockTypes = new List <DashboardBlockType>();
}
//
// Get all the known blocks and remove any blocks that no longer exist from the
// configuration data.
//
var blocks = GetAllBlocks();
var removeBlockTypes = blockTypes.Where(b => !blocks.Any(bb => bb.Id == b.BlockId)).ToList();
blockTypes.RemoveAll(b => removeBlockTypes.Any(rb => rb.BlockId == b.BlockId));
//
// Walk each block and either initialize the block type or load it from cache.
//
foreach (var block in blocks)
{
var blockType = blockTypes.Where(b => b.BlockId == block.Id).FirstOrDefault();
if (blockType == null)
{
blockType = new DashboardBlockType();
blockType.BlockCache = block;
blockType.BlockId = block.Id;
blockTypes.Add(blockType);
}
else
{
blockType.BlockCache = BlockCache.Read(blockType.BlockId);
}
}
rblSettingsDefaultLayout.SelectedValue = GetAttributeValue("DefaultLayout");
AvailableBlocksLive = blockTypes;
gSettingsBlocks.DataSource = blockTypes;
gSettingsBlocks.DataBind();
mdlSettings.Show();
}
/// <summary>
/// Get the list of available blocks that the user can enable on the dashboard.
/// </summary>
/// <returns>An enumerable list of block types available.</returns>
private List <DashboardBlockType> GetAvailableBlocks()
{
List <DashboardBlockType> blockTypes;
//
// Get the current configuration settings for the list of available blocks.
//
try
{
blockTypes = JsonConvert.DeserializeObject <List <DashboardBlockType> >(GetAttributeValue("AvailableBlocks"));
if (blockTypes == null)
{
blockTypes = new List <DashboardBlockType>();
}
}
catch
{
blockTypes = new List <DashboardBlockType>();
}
//
// Get all the blocks the user can see.
//
var blocks = GetAllBlocks()
.Where(b => b.IsAuthorized(Authorization.VIEW, CurrentPerson) || b.IsAuthorized(Authorization.EDIT, CurrentPerson) || b.IsAuthorized(Authorization.ADMINISTRATE, CurrentPerson))
.ToList();
//
// Filter the block types to those the user has permissions to view.
//
blockTypes = blockTypes.Where(bt => blocks.Any(b => b.Id == bt.BlockId)).ToList();
//
// Walk each block and either initialize the block type or load it from cache.
//
foreach (var block in blocks)
{
var blockType = blockTypes.Where(b => b.BlockId == block.Id).FirstOrDefault();
if (blockType == null)
{
blockType = new DashboardBlockType();
blockType.BlockCache = block;
blockType.BlockId = block.Id;
blockTypes.Add(blockType);
}
else
{
blockType.BlockCache = BlockCache.Read(blockType.BlockId);
}
}
return(blockTypes);
}
