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#5367: Implemented import/export for the Projection Element.
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Sipke Schoorstra committed Jun 8, 2015
1 parent b2b6ea4 commit 0b30967
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Showing 2 changed files with 50 additions and 12 deletions.
56 changes: 44 additions & 12 deletions src/Orchard.Web/Modules/Orchard.Layouts/Drivers/ProjectionElementDriver.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
using Orchard.Projections.ViewModels;
using Orchard.Tokens;
using Orchard.UI.Navigation;
using Orchard.Layouts.Helpers;
using DescribeContext = Orchard.Forms.Services.DescribeContext;

namespace Orchard.Layouts.Drivers {
Expand All @@ -31,11 +32,11 @@ public class ProjectionElementDriver : FormsElementDriver<Projection> {
private readonly IDisplayHelperFactory _displayHelperFactory;

public ProjectionElementDriver(
IFormManager formManager,
IProjectionManager projectionManager,
IOrchardServices services,
IRepository<LayoutRecord> layoutRepository,
ITokenizer tokenizer,
IFormManager formManager,
IProjectionManager projectionManager,
IOrchardServices services,
IRepository<LayoutRecord> layoutRepository,
ITokenizer tokenizer,
IDisplayHelperFactory displayHelperFactory)
: base(formManager) {

Expand All @@ -56,11 +57,15 @@ protected override IEnumerable<string> FormNames {
protected override void OnDisplaying(Projection element, ElementDisplayContext context) {
var queryId = element.QueryId;
var layoutId = element.LayoutId;
var query = queryId != null ? _contentManager.Get<QueryPart>(queryId.Value) : default(QueryPart);
var emptyContentItemsList = Enumerable.Empty<ContentManagement.ContentItem>();

if (queryId == null || layoutId == null)
return;
context.ElementShape.ContentItems = emptyContentItemsList;
context.ElementShape.BuildShapes = (Func<string, IEnumerable<dynamic>>)(displayType => emptyContentItemsList.Select(x => _contentManager.BuildDisplay(x, displayType)));

var query = _contentManager.Get<QueryPart>(queryId.Value);
if (query == null || layoutId == null) {
return;
}

// Retrieving paging parameters.
var queryString = _services.WorkContext.HttpContext.Request.QueryString;
Expand Down Expand Up @@ -104,14 +109,14 @@ protected override void OnDisplaying(Projection element, ElementDisplayContext c
var contentItems = _projectionManager.GetContentItems(query.Id, pager.GetStartIndex() + element.Skip, pager.PageSize).ToList();

context.ElementShape.ContentItems = contentItems;
context.ElementShape.BuildShapes = (Func<string, IEnumerable<dynamic>>) (displayType => contentItems.Select(x => _contentManager.BuildDisplay(x, displayType)));
context.ElementShape.BuildShapes = (Func<string, IEnumerable<dynamic>>)(displayType => contentItems.Select(x => _contentManager.BuildDisplay(x, displayType)));

// TODO: Figure out if we need this for a Projection Element, and if so, how.
//// Sanity check so that content items with ProjectionPart can't be added here, or it will result in an infinite loop.
//contentItems = contentItems.Where(x => !x.Has<ProjectionPart>()).ToList();

// Applying layout.
var layout = _layoutRepository.Get(layoutId.Value);
var layout = layoutId != null ? _layoutRepository.Get(layoutId.Value) : default(LayoutRecord);
var layoutDescriptor = layout == null ? null : _projectionManager.DescribeLayouts().SelectMany(x => x.Descriptors).FirstOrDefault(x => x.Category == layout.Category && x.Type == layout.Type);

// Create pager shape.
Expand Down Expand Up @@ -140,7 +145,7 @@ protected override void OnDisplaying(Projection element, ElementDisplayContext c

var layoutComponents = contentItems.Select(contentItem => {
var contentItemMetadata = _contentManager.GetItemMetadata(contentItem);
var propertyDescriptors = fieldDescriptors.Select( d => {
var propertyDescriptors = fieldDescriptors.Select(d => {
var fieldContext = new PropertyContext {
State = FormParametersHelper.ToDynamic(d.Property.State),
Tokens = new Dictionary<string, object> { { "Content", contentItem } }
Expand Down Expand Up @@ -195,7 +200,7 @@ protected override void OnDisplaying(Projection element, ElementDisplayContext c
var list = context.ElementShape.List = _services.New.List();
foreach (var group in groups) {
var localResult = layoutDescriptor.Render(renderLayoutContext, group.Components);

// Add the Context to the shape.
localResult.Context(renderLayoutContext);
list.Add(_services.New.LayoutGroup(Key: new MvcHtmlString(group.Key), List: localResult));
Expand Down Expand Up @@ -281,6 +286,33 @@ protected override void DescribeForm(DescribeContext context) {
});
}

protected override void OnExporting(Projection element, ExportElementContext context) {
var query = element.QueryId != null ? _contentManager.Get<QueryPart>(element.QueryId.Value) : default(QueryPart);
var layout = element.LayoutId != null ? _layoutRepository.Get(element.LayoutId.Value) : default(LayoutRecord);
var queryIdentity = query != null ? _contentManager.GetItemMetadata(query).Identity.ToString() : default(string);
var layoutIndex = layout != null ? query.Layouts.IndexOf(layout) : default(int?);

if (queryIdentity != null && layoutIndex != null) {
context.ExportableData["QueryId"] = queryIdentity;
context.ExportableData["LayoutIndex"] = layoutIndex.Value.ToString();
}
}

protected override void OnImporting(Projection element, ImportElementContext context) {
var queryIdentity = context.ExportableData.Get("QueryId");
var query = queryIdentity != null ? context.Session.GetItemFromSession(queryIdentity) : default(ContentManagement.ContentItem);

if (query == null)
return;

var queryPart = query.As<QueryPart>();
var layoutIndex = XmlHelper.Parse<int>(context.ExportableData.Get("LayoutIndex"));
var layout = queryPart.Layouts[layoutIndex];

element.QueryId = queryPart.Id;
element.LayoutId = layout.Id;
}

private static string GetLayoutDescription(IEnumerable<LayoutDescriptor> layouts, LayoutRecord l) {
var descriptor = layouts.First(x => l.Category == x.Category && l.Type == x.Type);
return String.IsNullOrWhiteSpace(l.Description) ? descriptor.Display(new LayoutContext { State = FormParametersHelper.ToDynamic(l.State) }).Text : l.Description;
Expand Down
6 changes: 6 additions & 0 deletions src/Orchard.Web/Modules/Orchard.Layouts/Elements/Projection.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,18 @@ public int? QueryId {
get {
return String.IsNullOrWhiteSpace(QueryLayoutId) ? null : XmlHelper.Parse<int?>(QueryLayoutId.Split(new[] { ';' })[0]);
}
set {
QueryLayoutId = String.Format("{0};{1}", value, LayoutId);
}
}

public int? LayoutId {
get {
return String.IsNullOrWhiteSpace(QueryLayoutId) ? null : XmlHelper.Parse<int?>(QueryLayoutId.Split(new[] { ';' })[1]);
}
set {
QueryLayoutId = String.Format("{0};{1}", QueryId, value);
}
}

public int ItemsToDisplay {
Expand Down

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