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Initial project's source code check-in.

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ptsurbeleu 2011-07-13 16:07:32 -07:00
commit b03b0b373f
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WebsitePanel/Sources/WebsitePanel.WebPortal/Code/Adapters/MenuAdapter.cs Normal file
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// Material sourced from the bluePortal project (http://blueportal.codeplex.com).
// Licensed under the Microsoft Public License (available at http://www.opensource.org/licenses/ms-pl.html).
using System;
using System.IO;
using System.Web;
using System.Web.Configuration;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace CSSFriendly
{
public class MenuAdapter : System.Web.UI.WebControls.Adapters.MenuAdapter
{
private WebControlAdapterExtender _extender = null;
private WebControlAdapterExtender Extender
{
get
{
if (((_extender == null) && (Control != null)) ||
((_extender != null) && (Control != _extender.AdaptedControl)))
{
_extender = new WebControlAdapterExtender(Control);
}
System.Diagnostics.Debug.Assert(_extender != null, "CSS Friendly adapters internal error", "Null extender instance");
return _extender;
}
}
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
if (Extender.AdapterEnabled)
{
RegisterScripts();
}
}
private void RegisterScripts()
{
Extender.RegisterScripts();
string folderPath = WebConfigurationManager.AppSettings.Get("CSSFriendly-JavaScript-Path");
if (String.IsNullOrEmpty(folderPath))
{
folderPath = "~/JavaScript";
}
string filePath = folderPath.EndsWith("/") ? folderPath + "MenuAdapter.js" : folderPath + "/MenuAdapter.js";
Page.ClientScript.RegisterClientScriptInclude(GetType(), GetType().ToString(), Page.ResolveUrl(filePath));
}
protected override void RenderBeginTag(HtmlTextWriter writer)
{
if (Extender.AdapterEnabled)
{
Extender.RenderBeginTag(writer, "AspNet-Menu-" + Control.Orientation.ToString());
}
else
{
base.RenderBeginTag(writer);
}
}
protected override void RenderEndTag(HtmlTextWriter writer)
{
if (Extender.AdapterEnabled)
{
Extender.RenderEndTag(writer);
}
else
{
base.RenderEndTag(writer);
}
}
protected override void RenderContents(HtmlTextWriter writer)
{
if (Extender.AdapterEnabled)
{
writer.Indent++;
BuildItems(Control.Items, true, writer);
writer.Indent--;
writer.WriteLine();
}
else
{
base.RenderContents(writer);
}
}
private void BuildItems(MenuItemCollection items, bool isRoot, HtmlTextWriter writer)
{
if (items.Count > 0)
{
writer.WriteLine();
writer.WriteBeginTag("ul");
if (isRoot)
{
writer.WriteAttribute("class", "AspNet-Menu");
writer.WriteAttribute("id", Control.ClientID);
}
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
foreach (MenuItem item in items)
{
BuildItem(item, writer);
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("ul");
}
}
private void BuildItem(MenuItem item, HtmlTextWriter writer)
{
Menu menu = Control as Menu;
if ((menu != null) && (item != null) && (writer != null))
{
writer.WriteLine();
writer.WriteBeginTag("li");
string theClass = (item.ChildItems.Count > 0) ? "AspNet-Menu-WithChildren" : "AspNet-Menu-Leaf";
string selectedStatusClass = GetSelectStatusClass(item);
if (!String.IsNullOrEmpty(selectedStatusClass))
{
theClass += " " + selectedStatusClass;
}
writer.WriteAttribute("class", theClass);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
writer.WriteLine();
if (((item.Depth < menu.StaticDisplayLevels) && (menu.StaticItemTemplate != null)) ||
((item.Depth >= menu.StaticDisplayLevels) && (menu.DynamicItemTemplate != null)))
{
writer.WriteBeginTag("div");
writer.WriteAttribute("class", GetItemClass(menu, item));
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
writer.WriteLine();
MenuItemTemplateContainer container = new MenuItemTemplateContainer(menu.Items.IndexOf(item), item);
if ((item.Depth < menu.StaticDisplayLevels) && (menu.StaticItemTemplate != null))
{
menu.StaticItemTemplate.InstantiateIn(container);
}
else
{
menu.DynamicItemTemplate.InstantiateIn(container);
}
container.DataBind();
container.RenderControl(writer);
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("div");
}
else
{
if (IsLink(item))
{
writer.WriteBeginTag("a");
if (!String.IsNullOrEmpty(item.NavigateUrl))
{
writer.WriteAttribute("href", Page.Server.HtmlEncode(menu.ResolveClientUrl(item.NavigateUrl)));
}
else
{
writer.WriteAttribute("href", Page.ClientScript.GetPostBackClientHyperlink(menu, "b" + item.ValuePath.Replace(menu.PathSeparator.ToString(), "\\"), true));
}
writer.WriteAttribute("class", GetItemClass(menu, item));
WebControlAdapterExtender.WriteTargetAttribute(writer, item.Target);
if (!String.IsNullOrEmpty(item.ToolTip))
{
writer.WriteAttribute("title", item.ToolTip);
}
else if (!String.IsNullOrEmpty(menu.ToolTip))
{
writer.WriteAttribute("title", menu.ToolTip);
}
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
writer.WriteLine();
}
else
{
writer.WriteBeginTag("span");
writer.WriteAttribute("class", GetItemClass(menu, item));
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
writer.WriteLine();
}
if (!String.IsNullOrEmpty(item.ImageUrl))
{
writer.WriteBeginTag("img");
writer.WriteAttribute("src", menu.ResolveClientUrl(item.ImageUrl));
writer.WriteAttribute("alt", !String.IsNullOrEmpty(item.ToolTip) ? item.ToolTip : (!String.IsNullOrEmpty(menu.ToolTip) ? menu.ToolTip : item.Text));
writer.Write(HtmlTextWriter.SelfClosingTagEnd);
}
writer.Write(item.Text);
if (IsLink(item))
{
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("a");
}
else
{
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("span");
}
}
if ((item.ChildItems != null) && (item.ChildItems.Count > 0))
{
BuildItems(item.ChildItems, false, writer);
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("li");
}
}
private bool IsLink(MenuItem item)
{
return (item != null) && item.Enabled && ((!String.IsNullOrEmpty(item.NavigateUrl)) || item.Selectable);
}
private string GetItemClass(Menu menu, MenuItem item)
{
string value = "AspNet-Menu-NonLink";
if (item != null)
{
if (((item.Depth < menu.StaticDisplayLevels) && (menu.StaticItemTemplate != null)) ||
((item.Depth >= menu.StaticDisplayLevels) && (menu.DynamicItemTemplate != null)))
{
value = "AspNet-Menu-Template";
}
else if (IsLink(item))
{
value = "AspNet-Menu-Link";
}
string selectedStatusClass = GetSelectStatusClass(item);
if (!String.IsNullOrEmpty(selectedStatusClass))
{
value += " " + selectedStatusClass;
}
}
return value;
}
private string GetSelectStatusClass(MenuItem item)
{
string value = "";
if (item.Selected)
{
value += " AspNet-Menu-Selected";
}
else if (IsChildItemSelected(item))
{
value += " AspNet-Menu-ChildSelected";
}
else if (IsParentItemSelected(item))
{
value += " AspNet-Menu-ParentSelected";
}
return value;
}
private bool IsChildItemSelected(MenuItem item)
{
bool bRet = false;
if ((item != null) && (item.ChildItems != null))
{
bRet = IsChildItemSelected(item.ChildItems);
}
return bRet;
}
private bool IsChildItemSelected(MenuItemCollection items)
{
bool bRet = false;
if (items != null)
{
foreach (MenuItem item in items)
{
if (item.Selected || IsChildItemSelected(item.ChildItems))
{
bRet = true;
break;
}
}
}
return bRet;
}
private bool IsParentItemSelected(MenuItem item)
{
bool bRet = false;
if ((item != null) && (item.Parent != null))
{
if (item.Parent.Selected)
{
bRet = true;
}
else
{
bRet = IsParentItemSelected(item.Parent);
}
}
return bRet;
}
}
}