407 lines
12 KiB
C#
407 lines
12 KiB
C#
using System;
|
||
using System.Collections.Generic;
|
||
using System.Web;
|
||
using System.Web.UI;
|
||
using System.Web.UI.WebControls;
|
||
|
||
using System.Xml;
|
||
using Newtonsoft.Json;
|
||
using Newtonsoft.Json.Linq;
|
||
|
||
namespace FineUI.Examples
|
||
{
|
||
public partial class _default : PageBase
|
||
{
|
||
#region Page_Init
|
||
|
||
private string _menuType = "menu";
|
||
private bool _showOnlyNew = false;
|
||
private int _examplesCount = 0;
|
||
|
||
protected void Page_Init(object sender, EventArgs e)
|
||
{
|
||
HttpCookie menuCookie = Request.Cookies["MenuStyle_v4"];
|
||
if (menuCookie != null)
|
||
{
|
||
_menuType = menuCookie.Value;
|
||
}
|
||
|
||
// 从Cookie中读取是否仅显示最新示例
|
||
HttpCookie menuShowOnlyNew = Request.Cookies["ShowOnlyNew_v4"];
|
||
if (menuShowOnlyNew != null)
|
||
{
|
||
_showOnlyNew = Convert.ToBoolean(menuShowOnlyNew.Value);
|
||
}
|
||
|
||
|
||
if (_menuType == "accordion")
|
||
{
|
||
InitAccordionMenu();
|
||
}
|
||
else
|
||
{
|
||
InitTreeMenu();
|
||
}
|
||
|
||
|
||
if (_showOnlyNew)
|
||
{
|
||
leftPanel.Title = String.Format("最新示例（{0}）", _examplesCount);
|
||
}
|
||
else
|
||
{
|
||
leftPanel.Title = String.Format("全部示例（{0}）", _examplesCount);
|
||
}
|
||
|
||
}
|
||
|
||
private Accordion InitAccordionMenu()
|
||
{
|
||
Accordion accordionMenu = new Accordion();
|
||
accordionMenu.ID = "accordionMenu";
|
||
accordionMenu.ShowBorder = false;
|
||
accordionMenu.ShowHeader = false;
|
||
leftPanel.Items.Add(accordionMenu);
|
||
|
||
|
||
XmlDocument xmlDoc = XmlDataSource1.GetXmlDocument();
|
||
XmlNodeList xmlNodes = xmlDoc.SelectNodes("/Tree/TreeNode");
|
||
foreach (XmlNode xmlNode in xmlNodes)
|
||
{
|
||
if (xmlNode.HasChildNodes)
|
||
{
|
||
AccordionPane accordionPane = new AccordionPane();
|
||
accordionPane.Title = xmlNode.Attributes["Text"].Value;
|
||
accordionPane.Layout = Layout.Fit;
|
||
accordionPane.ShowBorder = false;
|
||
|
||
var accordionPaneIconAttr = xmlNode.Attributes["Icon"];
|
||
if (accordionPaneIconAttr != null)
|
||
{
|
||
accordionPane.Icon = (Icon)Enum.Parse(typeof(Icon), accordionPaneIconAttr.Value, true);
|
||
}
|
||
|
||
accordionMenu.Items.Add(accordionPane);
|
||
|
||
Tree innerTree = new Tree();
|
||
innerTree.ShowBorder = false;
|
||
innerTree.ShowHeader = false;
|
||
innerTree.EnableIcons = true;
|
||
innerTree.AutoScroll = true;
|
||
innerTree.EnableSingleClickExpand = true;
|
||
accordionPane.Items.Add(innerTree);
|
||
|
||
XmlDocument doc = new XmlDocument();
|
||
doc.LoadXml(String.Format("<?xml version=\"1.0\" encoding=\"utf-8\" ?><Tree>{0}</Tree>", xmlNode.InnerXml));
|
||
ResolveXmlDocument(doc);
|
||
|
||
// 绑定AccordionPane内部的树控件
|
||
innerTree.NodeDataBound += treeMenu_NodeDataBound;
|
||
innerTree.PreNodeDataBound += treeMenu_PreNodeDataBound;
|
||
innerTree.DataSource = doc;
|
||
innerTree.DataBind();
|
||
}
|
||
}
|
||
|
||
return accordionMenu;
|
||
}
|
||
|
||
private Tree InitTreeMenu()
|
||
{
|
||
Tree treeMenu = new Tree();
|
||
treeMenu.ID = "treeMenu";
|
||
treeMenu.ShowBorder = false;
|
||
treeMenu.ShowHeader = false;
|
||
treeMenu.EnableIcons = true;
|
||
treeMenu.AutoScroll = true;
|
||
treeMenu.EnableSingleClickExpand = true;
|
||
leftPanel.Items.Add(treeMenu);
|
||
|
||
XmlDocument doc = XmlDataSource1.GetXmlDocument();
|
||
ResolveXmlDocument(doc);
|
||
|
||
// 绑定 XML 数据源到树控件
|
||
treeMenu.NodeDataBound += treeMenu_NodeDataBound;
|
||
treeMenu.PreNodeDataBound += treeMenu_PreNodeDataBound;
|
||
treeMenu.DataSource = doc;
|
||
treeMenu.DataBind();
|
||
|
||
return treeMenu;
|
||
}
|
||
|
||
#region ResolveXmlDocument
|
||
|
||
private void ResolveXmlDocument(XmlDocument doc)
|
||
{
|
||
ResolveXmlDocument(doc, doc.DocumentElement.ChildNodes);
|
||
}
|
||
|
||
private int ResolveXmlDocument(XmlDocument doc, XmlNodeList nodes)
|
||
{
|
||
// nodes 中渲染到页面上的节点个数
|
||
int nodeVisibleCount = 0;
|
||
|
||
foreach (XmlNode node in nodes)
|
||
{
|
||
// Only process Xml elements (ignore comments, etc)
|
||
if (node.NodeType == XmlNodeType.Element)
|
||
{
|
||
XmlAttribute removedAttr;
|
||
|
||
// 是否叶子节点
|
||
bool isLeaf = node.ChildNodes.Count == 0;
|
||
|
||
|
||
// 所有过滤条件均是对叶子节点而言，而是否显示目录，要看是否存在叶子节点
|
||
if (isLeaf)
|
||
{
|
||
// 如果仅显示最新示例
|
||
if (_showOnlyNew)
|
||
{
|
||
XmlAttribute isNewAttr = node.Attributes["IsNew"];
|
||
if (isNewAttr == null)
|
||
{
|
||
removedAttr = doc.CreateAttribute("Removed");
|
||
removedAttr.Value = "true";
|
||
|
||
node.Attributes.Append(removedAttr);
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
// 存在子节点
|
||
if (!isLeaf)
|
||
{
|
||
// 递归
|
||
int childVisibleCount = ResolveXmlDocument(doc, node.ChildNodes);
|
||
|
||
if (childVisibleCount == 0)
|
||
{
|
||
removedAttr = doc.CreateAttribute("Removed");
|
||
removedAttr.Value = "true";
|
||
|
||
node.Attributes.Append(removedAttr);
|
||
}
|
||
}
|
||
|
||
|
||
removedAttr = node.Attributes["Removed"];
|
||
if (removedAttr == null)
|
||
{
|
||
nodeVisibleCount++;
|
||
}
|
||
}
|
||
}
|
||
|
||
return nodeVisibleCount;
|
||
}
|
||
|
||
#endregion
|
||
|
||
/// <summary>
|
||
/// 树节点的绑定后事件
|
||
/// </summary>
|
||
/// <param name="sender"></param>
|
||
/// <param name="e"></param>
|
||
private void treeMenu_NodeDataBound(object sender, TreeNodeEventArgs e)
|
||
{
|
||
// 是否叶子节点
|
||
bool isLeaf = e.XmlNode.ChildNodes.Count == 0;
|
||
|
||
string isNewHtml = GetIsNewHtml(e.XmlNode);
|
||
if (!String.IsNullOrEmpty(isNewHtml))
|
||
{
|
||
e.Node.Text += isNewHtml;
|
||
}
|
||
|
||
if (isLeaf)
|
||
{
|
||
// 设置节点的提示信息
|
||
e.Node.ToolTip = e.Node.Text;
|
||
}
|
||
|
||
// 如果仅显示最新示例 并且 当前节点不是子节点，则展开当前节点
|
||
if (_showOnlyNew && !e.Node.Leaf)
|
||
{
|
||
e.Node.Expanded = true;
|
||
}
|
||
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 树节点的预绑定事件
|
||
/// </summary>
|
||
/// <param name="sender"></param>
|
||
/// <param name="e"></param>
|
||
private void treeMenu_PreNodeDataBound(object sender, TreePreNodeEventArgs e)
|
||
{
|
||
/*
|
||
// 如果仅显示最新示例
|
||
if (showOnlyNew)
|
||
{
|
||
string isNewHtml = GetIsNewHtml(e.XmlNode);
|
||
if (String.IsNullOrEmpty(isNewHtml))
|
||
{
|
||
e.Cancelled = true;
|
||
}
|
||
}
|
||
|
||
// 更新示例总数
|
||
if (e.XmlNode.ChildNodes.Count == 0)
|
||
{
|
||
examplesCount++;
|
||
}
|
||
*/
|
||
|
||
// 是否叶子节点
|
||
bool isLeaf = e.XmlNode.ChildNodes.Count == 0;
|
||
|
||
XmlAttribute removedAttr = e.XmlNode.Attributes["Removed"];
|
||
if (removedAttr != null)
|
||
{
|
||
e.Cancelled = true;
|
||
}
|
||
|
||
if (isLeaf && !e.Cancelled)
|
||
{
|
||
_examplesCount++;
|
||
}
|
||
}
|
||
|
||
|
||
private string GetIsNewHtml(XmlNode node)
|
||
{
|
||
string result = String.Empty;
|
||
|
||
XmlAttribute isNewAttr = node.Attributes["IsNew"];
|
||
if (isNewAttr != null)
|
||
{
|
||
if (Convert.ToBoolean(isNewAttr.Value))
|
||
{
|
||
result = " <span class=\"isnew\">New!</span>";
|
||
}
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
|
||
#endregion
|
||
|
||
#region Page_Load
|
||
|
||
protected void Page_Load(object sender, EventArgs e)
|
||
{
|
||
if (!IsPostBack)
|
||
{
|
||
InitMenuStyleButton();
|
||
InitLangMenuButton();
|
||
InitThemeMenuButton();
|
||
InitMenuShowOnlyNew();
|
||
|
||
litVersion.Text = FineUI.GlobalConfig.ProductVersion;
|
||
litOnlineUserCount.Text = Application["OnlineUserCount"].ToString();
|
||
}
|
||
}
|
||
|
||
private void InitMenuShowOnlyNew()
|
||
{
|
||
cbxShowOnlyNew.Checked = _showOnlyNew;
|
||
|
||
}
|
||
|
||
|
||
private void InitMenuStyleButton()
|
||
{
|
||
string menuStyleID = "MenuStyleTree";
|
||
|
||
HttpCookie menuStyleCookie = Request.Cookies["MenuStyle_v4"];
|
||
if (menuStyleCookie != null)
|
||
{
|
||
switch (menuStyleCookie.Value)
|
||
{
|
||
case "menu":
|
||
menuStyleID = "MenuStyleTree";
|
||
break;
|
||
case "accordion":
|
||
menuStyleID = "MenuStyleAccordion";
|
||
break;
|
||
}
|
||
}
|
||
|
||
|
||
SetSelectedMenuID(MenuStyle, menuStyleID);
|
||
}
|
||
|
||
|
||
private void InitLangMenuButton()
|
||
{
|
||
string langMenuID = "MenuLangZHCN";
|
||
|
||
string langValue = PageManager1.Language.ToString().ToLower();
|
||
switch (langValue)
|
||
{
|
||
case "zh_cn":
|
||
langMenuID = "MenuLangZHCN";
|
||
break;
|
||
case "zh_tw":
|
||
langMenuID = "MenuLangZHTW";
|
||
break;
|
||
case "en":
|
||
langMenuID = "MenuLangEN";
|
||
break;
|
||
}
|
||
|
||
|
||
SetSelectedMenuID(MenuLang, langMenuID);
|
||
}
|
||
|
||
private void InitThemeMenuButton()
|
||
{
|
||
string themeMenuID = "MenuThemeBlue";
|
||
|
||
string themeValue = PageManager1.Theme.ToString().ToLower();
|
||
switch (themeValue)
|
||
{
|
||
case "blue":
|
||
themeMenuID = "MenuThemeBlue";
|
||
break;
|
||
case "gray":
|
||
themeMenuID = "MenuThemeGray";
|
||
break;
|
||
case "access":
|
||
themeMenuID = "MenuThemeAccess";
|
||
break;
|
||
case "neptune":
|
||
themeMenuID = "MenuThemeNeptune";
|
||
break;
|
||
}
|
||
|
||
SetSelectedMenuID(MenuTheme, themeMenuID);
|
||
}
|
||
|
||
|
||
private void SetSelectedMenuID(MenuButton menuButton, string selectedMenuID)
|
||
{
|
||
foreach (MenuItem item in menuButton.Menu.Items)
|
||
{
|
||
MenuCheckBox menu = (item as MenuCheckBox);
|
||
if (menu != null && menu.ID == selectedMenuID)
|
||
{
|
||
menu.Checked = true;
|
||
}
|
||
else
|
||
{
|
||
menu.Checked = false;
|
||
}
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
|
||
}
|
||
}
|