private async Task <string> RenderBlocksToHtml(
PageRegionRenderDetails pageRegion,
Dictionary <string, string> regionAttributes,
VisualEditorState visualEditorState
)
{
// No _permittedBlocks means any is allowed.
var blocksToRender = pageRegion
.Blocks
.Where(m => _permittedBlocks.Count == 0 || _permittedBlocks.Contains(m.BlockType.FileName));
var blockHtmlParts = new List <string>();
foreach (var block in blocksToRender)
{
var renderedBlock = await _blockRenderer.RenderBlockAsync(_viewContext, _pageViewModel, block);
blockHtmlParts.Add(renderedBlock);
}
string blocksHtml = string.Empty;
if (blockHtmlParts.Any())
{
if (!_allowMultipleBlocks)
{
// If for some reason another block has been added in error, make sure we only display one.
blocksHtml = blockHtmlParts.Last();
}
else
{
blocksHtml = string.Join(string.Empty, blockHtmlParts);
}
}
else
{
regionAttributes.Add("data-cms-page-region-empty", string.Empty);
if (!_allowMultipleBlocks && visualEditorState.VisualEditorMode == VisualEditorMode.Edit)
{
// If there are no blocks and this is a single block region
// add a placeholder element so we always have a menu
blocksHtml = _blockRenderer.RenderPlaceholderBlock(_emptyContentMinHeight);
}
}
return(blocksHtml);
}
private async Task <string> RenderRegion(PageRegionRenderDetails pageRegion)
{
string blocksHtml = string.Empty;
// No _permittedBlocks means any is allowed.
var renderingTasks = pageRegion
.Blocks
.Where(m => _permittedBlocks.Count == 0 || _permittedBlocks.ContainsKey(m.BlockType.FileName))
.Select(m => _blockRenderer.RenderBlockAsync(_viewContext, _pageViewModel, m));
var blockHtmlParts = await Task.WhenAll(renderingTasks);
if (blockHtmlParts.Any())
{
if (!_allowMultipleBlocks)
{
// If for some reason another block has been added in error, make sure we only display one.
blocksHtml = blockHtmlParts.Last();
}
else
{
blocksHtml = string.Join(string.Empty, blockHtmlParts);
}
}
else if (!_allowMultipleBlocks && _pageViewModel.IsPageEditMode)
{
// If there are no blocks and this is a single block region
// add a placeholder element so we always have a menu
blocksHtml = _blockRenderer.RenderPlaceholderBlock(_emptyContentMinHeight);
}
// If we're not in edit mode just return the blocks.
if (!_pageViewModel.IsPageEditMode)
{
if (_wrappingTagName != null)
{
return(TemplateRegionTagBuilderHelper.WrapInTag(
blocksHtml,
_wrappingTagName,
_allowMultipleBlocks,
_additonalHtmlAttributes
));
}
return(blocksHtml);
}
var attrs = new Dictionary <string, string>();
attrs.Add("data-cms-page-template-region-id", pageRegion.PageTemplateRegionId.ToString());
attrs.Add("data-cms-page-region-name", pageRegion.Name);
attrs.Add("data-cms-page-region", string.Empty);
attrs.Add("class", "cofoundry__sv-region");
if (_permittedBlocks.Any())
{
var permittedBlockTypes = _permittedBlocks.Select(m => m.Key);
attrs.Add("data-cms-page-region-permitted-block-types", string.Join(",", permittedBlockTypes));
}
if (_allowMultipleBlocks)
{
attrs.Add("data-cms-multi-block", "true");
if (_emptyContentMinHeight.HasValue)
{
attrs.Add("style", "min-height:" + _emptyContentMinHeight + "px");
}
}
return(TemplateRegionTagBuilderHelper.WrapInTag(
blocksHtml,
_wrappingTagName,
_allowMultipleBlocks,
_additonalHtmlAttributes,
attrs
));
}
