Files
Orchard/src/Orchard.Web/Core/Shapes/CoreShapes.cs
Nathan Heskew 91c3588f88 Fixing some class names
--HG--
branch : dev
2010-10-19 15:34:55 -07:00

318 lines
14 KiB
C#

using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Mvc.Html;
using Orchard.DisplayManagement;
using Orchard.DisplayManagement.Descriptors;
using Orchard.Settings;
using Orchard.UI;
using Orchard.UI.Resources;
using Orchard.UI.Zones;
// ReSharper disable InconsistentNaming
namespace Orchard.Core.Shapes {
public class CoreShapes : IShapeTableProvider {
private readonly IWorkContextAccessor _workContextAccessor;
public CoreShapes(IWorkContextAccessor workContextAccessor) {
// needed to get CurrentSite.
// note that injecting ISiteService here causes a stack overflow in AutoFac!
_workContextAccessor = workContextAccessor;
}
public void Discover(ShapeTableBuilder builder) {
// the root page shape named 'Layout' is wrapped with 'Document'
// and has an automatic zone creating behavior
builder.Describe("Layout")
.Configure(descriptor => descriptor.Wrappers.Add("Document"))
.OnCreating(creating => creating.Behaviors.Add(new ZoneHoldingBehavior(() => creating.New.Zone())))
.OnCreated(created => {
var layout = created.Shape;
layout.Head = created.New.DocumentZone(ZoneName: "Head");
layout.Body = created.New.DocumentZone(ZoneName: "Body");
layout.Tail = created.New.DocumentZone(ZoneName: "Tail");
layout.Body.Add(created.New.PlaceChildContent(Source: layout));
layout.Content = created.New.Zone();
layout.Content.ZoneName = "Content";
layout.Content.Add(created.New.PlaceChildContent(Source: layout));
});
// 'Zone' shapes are built on the Zone base class
// They have class="zone zone-{name}"
// and the template can be specialized with "Zone-{Name}" base file name
builder.Describe("Zone")
.OnCreating(creating => creating.BaseType = typeof(Zone))
.OnDisplaying(displaying => {
var zone = displaying.Shape;
zone.Classes.Add("zone-" + zone.ZoneName.HtmlClassify());
zone.Classes.Add("zone");
zone.Metadata.Alternates.Add("Zone__" + zone.ZoneName);
});
builder.Describe("Menu")
.OnDisplaying(displaying => {
var menu = displaying.Shape;
menu.Classes.Add("menu-" + menu.MenuName.HtmlClassify());
menu.Classes.Add("menu");
menu.Metadata.Alternates.Add("Menu__" + menu.MenuName);
});
builder.Describe("MenuItem")
.OnDisplaying(displaying => {
var menuItem = displaying.Shape;
var menu = menuItem.Menu;
menuItem.Metadata.Alternates.Add("MenuItem__" + menu.MenuName);
});
// 'List' shapes start with several empty collections
builder.Describe("List")
.OnCreated(created => {
var list = created.Shape;
list.Tag = "ul";
list.ItemClasses = new List<string>();
list.ItemAttributes = new Dictionary<string, string>();
});
}
static TagBuilder GetTagBuilder(string tagName, string id, IEnumerable<string> classes, IDictionary<string, string> attributes) {
var tagBuilder = new TagBuilder(tagName);
tagBuilder.MergeAttributes(attributes, false);
foreach (var cssClass in classes ?? Enumerable.Empty<string>())
tagBuilder.AddCssClass(cssClass);
if (!string.IsNullOrWhiteSpace(id))
tagBuilder.GenerateId(id);
return tagBuilder;
}
[Shape]
public void Zone(dynamic Display, dynamic Shape, TextWriter Output) {
string id = Shape.Id;
IEnumerable<string> classes = Shape.Classes;
IDictionary<string, string> attributes = Shape.Attributes;
var zoneWrapper = GetTagBuilder("div", id, classes, attributes);
Output.Write(zoneWrapper.ToString(TagRenderMode.StartTag));
foreach (var item in ordered_hack(Shape))
Output.Write(Display(item));
Output.Write(zoneWrapper.ToString(TagRenderMode.EndTag));
}
[Shape]
public void ContentZone(dynamic Display, dynamic Shape, TextWriter Output) {
foreach (var item in ordered_hack(Shape))
Output.Write(Display(item));
}
[Shape]
public void DocumentZone(dynamic Display, dynamic Shape, TextWriter Output) {
foreach (var item in ordered_hack(Shape))
Output.Write(Display(item));
}
#region ordered_hack
private static IEnumerable<dynamic> ordered_hack(dynamic shape) {
IEnumerable<dynamic> unordered = shape;
if (unordered == null || unordered.Count() < 2)
return shape;
var i = 1;
var progress = 1;
var flatPositionComparer = new FlatPositionComparer();
var ordering = unordered.Select(item => {
var position = (item == null || item.GetType().GetProperty("Metadata") == null || item.Metadata.GetType().GetProperty("Position") == null)
? null
: item.Metadata.Position;
return new { item, position };
}).ToList();
// since this isn't sticking around (hence, the "hack" in the name), throwing (in) a gnome
while (i < ordering.Count()) {
if (flatPositionComparer.Compare(ordering[i].position, ordering[i - 1].position) > -1) {
if (i == progress)
progress = ++i;
else
i = progress;
}
else {
var higherThanItShouldBe = ordering[i];
ordering[i] = ordering[i - 1];
ordering[i - 1] = higherThanItShouldBe;
if (i > 1)
--i;
}
}
return ordering.Select(ordered => ordered.item).ToList();
}
#endregion
[Shape]
public void HeadScripts(HtmlHelper Html, IResourceManager ResourceManager) {
WriteResources(Html, _workContextAccessor.GetContext(Html.ViewContext).CurrentSite,
ResourceManager, "script", ResourceLocation.Head, null);
WriteLiteralScripts(Html, ResourceManager.GetRegisteredHeadScripts());
}
[Shape]
public void FootScripts(HtmlHelper Html, IResourceManager ResourceManager) {
WriteResources(Html, _workContextAccessor.GetContext(Html.ViewContext).CurrentSite,
ResourceManager, "script", null, ResourceLocation.Head);
WriteLiteralScripts(Html, ResourceManager.GetRegisteredFootScripts());
}
[Shape]
public void Metas(HtmlHelper Html, IResourceManager ResourceManager) {
foreach (var meta in ResourceManager.GetRegisteredMetas()) {
Html.ViewContext.Writer.WriteLine(meta.GetTag());
}
}
[Shape]
public void HeadLinks(HtmlHelper Html, IResourceManager ResourceManager) {
foreach (var link in ResourceManager.GetRegisteredLinks()) {
Html.ViewContext.Writer.WriteLine(link.GetTag());
}
}
[Shape]
public void StylesheetLinks(HtmlHelper Html, IResourceManager ResourceManager) {
WriteResources(Html, _workContextAccessor.GetContext(Html.ViewContext).CurrentSite,
ResourceManager, "stylesheet", null, null);
}
private static void WriteLiteralScripts(HtmlHelper html, IEnumerable<string> scripts) {
if (scripts == null) {
return;
}
var writer = html.ViewContext.Writer;
foreach (string script in scripts) {
writer.WriteLine(script);
}
}
private static void WriteResources(HtmlHelper html, ISite site, IResourceManager rm, string resourceType, ResourceLocation? includeLocation, ResourceLocation? excludeLocation) {
bool debugMode;
switch (site.ResourceDebugMode) {
case ResourceDebugMode.Enabled:
debugMode = true;
break;
case ResourceDebugMode.Disabled:
debugMode = false;
break;
default:
Debug.Assert(site.ResourceDebugMode == ResourceDebugMode.FromAppSetting, "Unknown ResourceDebugMode value.");
debugMode = html.ViewContext.HttpContext.IsDebuggingEnabled;
break;
}
var defaultSettings = new RequireSettings {
DebugMode = debugMode,
Culture = CultureInfo.CurrentUICulture.Name,
};
var requiredResources = rm.BuildRequiredResources(resourceType);
var appPath = html.ViewContext.HttpContext.Request.ApplicationPath;
foreach (var context in requiredResources.Where(r =>
(includeLocation.HasValue ? r.Settings.Location == includeLocation.Value : true) &&
(excludeLocation.HasValue ? r.Settings.Location != excludeLocation.Value : true))) {
html.ViewContext.Writer.WriteLine(context.GetTagBuilder(defaultSettings, appPath).ToString(context.Resource.TagRenderMode));
}
}
[Shape]
public void List(
dynamic Display,
TextWriter Output,
IEnumerable<dynamic> Items,
string Tag,
string Id,
IEnumerable<string> Classes,
IDictionary<string, string> Attributes,
IEnumerable<string> ItemClasses,
IDictionary<string, string> ItemAttributes) {
if (Items == null)
return;
var listTagName = string.IsNullOrEmpty(Tag) ? "ul" : Tag;
const string itemTagName = "li";
var listTag = GetTagBuilder(listTagName, Id, Classes, Attributes);
Output.Write(listTag.ToString(TagRenderMode.StartTag));
var count = Items.Count();
var index = 0;
foreach (var item in Items) {
var itemTag = GetTagBuilder(itemTagName, null, ItemClasses, ItemAttributes);
if (index == 0)
itemTag.AddCssClass("first");
if (index == count - 1)
itemTag.AddCssClass("last");
Output.Write(itemTag.ToString(TagRenderMode.StartTag));
Output.Write(Display(item));
Output.Write(itemTag.ToString(TagRenderMode.EndTag));
++index;
}
Output.Write(listTag.ToString(TagRenderMode.EndTag));
}
[Shape]
public IHtmlString PlaceChildContent(dynamic Source) {
return Source.Metadata.ChildContent;
}
[Shape]
public void Partial(HtmlHelper Html, TextWriter Output, string TemplateName, object Model, string Prefix) {
RenderInternal(Html, Output, TemplateName, Model, Prefix);
}
[Shape]
public void DisplayTemplate(HtmlHelper Html, TextWriter Output, string TemplateName, object Model, string Prefix) {
RenderInternal(Html, Output, "DisplayTemplates/" + TemplateName, Model, Prefix);
}
[Shape]
public void EditorTemplate(HtmlHelper Html, TextWriter Output, string TemplateName, object Model, string Prefix) {
RenderInternal(Html, Output, "EditorTemplates/" + TemplateName, Model, Prefix);
}
static void RenderInternal(HtmlHelper Html, TextWriter Output, string TemplateName, object Model, string Prefix) {
var adjustedViewData = new ViewDataDictionary(Html.ViewDataContainer.ViewData) {
Model = DetermineModel(Html, Model),
TemplateInfo = new TemplateInfo {
HtmlFieldPrefix = DeterminePrefix(Html, Prefix)
}
};
var adjustedViewContext = new ViewContext(Html.ViewContext, Html.ViewContext.View, adjustedViewData, Html.ViewContext.TempData, Output);
var adjustedHtml = new HtmlHelper(adjustedViewContext, new ViewDataContainer(adjustedViewData));
adjustedHtml.RenderPartial(TemplateName);
}
static object DetermineModel(HtmlHelper Html, object Model) {
bool isNull = ((dynamic)Model) == null;
return isNull ? Html.ViewData.Model : Model;
}
static string DeterminePrefix(HtmlHelper Html, string Prefix) {
var actualPrefix = string.IsNullOrEmpty(Prefix)
? Html.ViewContext.ViewData.TemplateInfo.HtmlFieldPrefix
: Html.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(Prefix);
return actualPrefix;
}
private class ViewDataContainer : IViewDataContainer {
public ViewDataContainer(ViewDataDictionary viewData) { ViewData = viewData; }
public ViewDataDictionary ViewData { get; set; }
}
}
}