/// <summary>Creates a navigation using unordered list elements.</summary>
public static N2.Web.Tree Tree(this HtmlHelper html,
ContentItem startsFrom = null,
ContentItem current = null,
int takeLevels = 2,
bool parallelRoot = true,
bool appendCreatorNode = false,
ItemFilter filter = null,
object htmlAttributes = null)
{
if (startsFrom == null) startsFrom = html.StartPage();
if (current == null) current = html.CurrentPage();
if (filter == null) filter = new NavigationFilter(html.ViewContext.HttpContext.User, html.ContentEngine().SecurityManager);
var builder = parallelRoot
? (HierarchyBuilder)new ParallelRootHierarchyBuilder(startsFrom, takeLevels)
: (HierarchyBuilder)new TreeHierarchyBuilder(startsFrom, takeLevels);
if (builder == null)
throw new ArgumentException("builder == null");
if (appendCreatorNode && ControlPanelExtensions.GetControlPanelState(html).IsFlagSet(ControlPanelState.DragDrop))
builder.GetChildren = (i) => i == null ? null : i.Children.FindNavigatablePages().Where(filter).AppendCreatorNode(html.ContentEngine(), i);
else
builder.GetChildren = (i) => i == null ? null : i.Children.FindNavigatablePages().Where(filter);
var tree = N2.Web.Tree.Using(builder);
if (htmlAttributes != null)
tree.Tag(ApplyToRootUl(htmlAttributes));
ClassifyAnchors(startsFrom, current, parallelRoot, tree);
return tree;
}
public static void RenderControlPanel(this HtmlHelper html)
{
var engine = html.ContentEngine();
var item = html.CurrentItem() ?? html.StartPage();
if (!engine.SecurityManager.IsEditor(html.ViewContext.HttpContext.User))
return;
if (RegistrationExtensions.GetRegistrationExpression(html) != null)
return;
var state = ControlPanel.GetState(html.ViewContext.HttpContext.User, html.ViewContext.HttpContext.Request.QueryString);
var settings = new
{
NavigationUrl = engine.ManagementPaths.GetNavigationUrl(item),
ManagementUrl = engine.ManagementPaths.GetManagementInterfaceUrl(),
Path = item.Path,
Plugins = Plugins(html, item, state),
Definitions = Definitions(html, engine, item, state),
Version = typeof(ContentItem).Assembly.GetName().Version.ToString(),
Permission = engine.GetContentAdapter<NodeAdapter>(item).GetMaximumPermission(item)
};
html.Resources().JQuery()
.JQueryPlugins()
.JQueryUi()
.JavaScript("{ManagementUrl}/Resources/Js/parts.js").StyleSheet("{ManagementUrl}/Resources/Css/parts.css");
string controlPanelHtml = format.Replace(settings);
html.ViewContext.Writer.Write(controlPanelHtml);
if (state == ControlPanelState.DragDrop)
html.Resources().JavaScript(ControlPanel.DragDropScriptInitialization(), ScriptOptions.DocumentReady);
}
/// <summary>Gets the curent state of the control panel.</summary>
/// <param name="html"></param>
/// <returns></returns>
public static ControlPanelState GetControlPanelState(this HtmlHelper html)
{
return UI.WebControls.ControlPanel.GetState(html.ContentEngine());
}
/// <summary>Begins an editable wrapper that can be used to edit a single property in a view.</summary>
/// <param name="html"></param>
/// <param name="item"></param>
/// <param name="displayableName"></param>
/// <returns>A disposable object that must be called to close the editable wrapper element.</returns>
public static IDisposable BeginEditableWrapper(this HtmlHelper html, ContentItem item, string displayableName)
{
return WebExtensions.GetEditableWrapper(item, true, displayableName, html.ContentEngine().Definitions.GetDefinition(item).Displayables[displayableName], html.ViewContext.Writer);
}
/// <summary>Begins an editable wrapper that can be used to edit a single property in a view.</summary>
/// <param name="html"></param>
/// <param name="item"></param>
/// <param name="displayableName"></param>
/// <returns>A disposable object that must be called to close the editable wrapper element.</returns>
public static IDisposable BeginEditableWrapper(this HtmlHelper html, ContentItem item, string displayableName)
{
if (ControlPanel.GetState(html.ContentEngine()) == ControlPanelState.DragDrop)
{
return WebExtensions.GetEditableWrapper(item, true, displayableName, html.ContentEngine().Definitions.GetDefinition(item).Displayables[displayableName], html.ViewContext.Writer);
}
else
{
return new EmptyDisposable();
}
}
/// <summary>
/// determines if user is actively managing (administering) the site vs. using the site
/// </summary>
/// <param name="html"></param>
/// <returns>true if managing</returns>
public static bool IsManaging(this HtmlHelper html)
{
return IsManaging(html.ContentEngine());
}
/// <summary>
/// determines if user is actively organizing parts / editing the page interactively via drag & drop
/// </summary>
/// <param name="html"></param>
/// <returns>true if managing</returns>
public static bool IsOrganizing(this HtmlHelper html)
{
var engine = html.ContentEngine();
return engine != null && ControlPanel.GetState(engine).IsFlagSet(ControlPanelState.DragDrop);
}
/// <summary>Gets the curent state of the control panel.</summary>
/// <param name="html"></param>
/// <returns></returns>
public static ControlPanelState GetControlPanelState(this HtmlHelper html)
{
return UI.WebControls.ControlPanel.GetState(html.ContentEngine().SecurityManager, html.ViewContext.HttpContext.User, html.ViewContext.HttpContext.Request.QueryString);
}
