414 lines
13 KiB
C#
414 lines
13 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Xml;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace FineUI.Examples
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{
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public partial class _default : PageBase
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{
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#region Page_Init
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protected void Page_Init(object sender, EventArgs e)
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{
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string menuType = "menu";
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HttpCookie menuCookie = Request.Cookies["MenuStyle"];
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if (menuCookie != null)
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{
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menuType = menuCookie.Value;
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}
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// 注册客户端脚本，服务器端控件ID和客户端ID的映射关系
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JObject ids = GetClientIDS(btnExpandAll, btnCollapseAll, windowSourceCode, mainTabStrip);
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if (menuType == "accordion")
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{
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Accordion accordionMenu = InitAccordionMenu();
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ids.Add("mainMenu", accordionMenu.ClientID);
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ids.Add("menuType", "accordion");
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}
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else
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{
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Tree treeMenu = InitTreeMenu();
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ids.Add("mainMenu", treeMenu.ClientID);
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ids.Add("menuType", "menu");
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}
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ids.Add("theme", PageManager.Instance.Theme.ToString());
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// 只在页面第一次加载时注册客户端用到的脚本
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if (!Page.IsPostBack)
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{
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string idsScriptStr = String.Format("window.IDS={0};", ids.ToString(Newtonsoft.Json.Formatting.None));
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PageContext.RegisterStartupScript(idsScriptStr);
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}
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}
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private Accordion InitAccordionMenu()
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{
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Accordion accordionMenu = new Accordion();
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accordionMenu.ID = "accordionMenu";
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accordionMenu.EnableFill = true;
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accordionMenu.ShowBorder = false;
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accordionMenu.ShowHeader = false;
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Region2.Items.Add(accordionMenu);
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XmlDocument xmlDoc = XmlDataSource1.GetXmlDocument();
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XmlNodeList xmlNodes = xmlDoc.SelectNodes("/Tree/TreeNode");
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foreach (XmlNode xmlNode in xmlNodes)
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{
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if (xmlNode.HasChildNodes)
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{
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AccordionPane accordionPane = new AccordionPane();
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accordionPane.Title = xmlNode.Attributes["Text"].Value;
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accordionPane.Layout = Layout.Fit;
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accordionPane.ShowBorder = false;
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accordionPane.BodyPadding = "2px 0 0 0";
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accordionMenu.Items.Add(accordionPane);
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Tree innerTree = new Tree();
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innerTree.EnableArrows = true;
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innerTree.ShowBorder = false;
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innerTree.ShowHeader = false;
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innerTree.EnableIcons = false;
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innerTree.AutoScroll = true;
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accordionPane.Items.Add(innerTree);
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XmlDocument innerXmlDoc = new XmlDocument();
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innerXmlDoc.LoadXml(String.Format("<?xml version=\"1.0\" encoding=\"utf-8\" ?><Tree>{0}</Tree>", xmlNode.InnerXml));
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// 绑定AccordionPane内部的树控件
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innerTree.DataSource = innerXmlDoc;
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innerTree.DataBind();
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// 重新设置每个节点的图标
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ResolveTreeNode(innerTree.Nodes);
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}
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}
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return accordionMenu;
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}
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private Tree InitTreeMenu()
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{
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Tree treeMenu = new Tree();
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treeMenu.ID = "treeMenu";
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treeMenu.EnableArrows = true;
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treeMenu.ShowBorder = false;
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treeMenu.ShowHeader = false;
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treeMenu.EnableIcons = false;
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treeMenu.AutoScroll = true;
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Region2.Items.Add(treeMenu);
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// 绑定 XML 数据源到树控件
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treeMenu.DataSource = XmlDataSource1;
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treeMenu.DataBind();
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// 重新设置每个节点的图标
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ResolveTreeNode(treeMenu.Nodes);
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return treeMenu;
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}
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private JObject GetClientIDS(params ControlBase[] ctrls)
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{
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JObject jo = new JObject();
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foreach (ControlBase ctrl in ctrls)
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{
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jo.Add(ctrl.ID, ctrl.ClientID);
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}
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return jo;
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}
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#endregion
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#region Page_Load
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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InitMenuStyleButton();
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InitLangMenuButton();
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InitThemeMenuButton();
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//// 显示源代码按钮
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//btnSourceCode.OnClientClick = windowSourceCode.GetShowReference("./common/source.aspx?files=~/default.aspx;~/common/menu.xml;~/Web.config;~/Code/PageBase.cs;~/js/default.js;~/css/default.css");
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}
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}
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private void InitMenuStyleButton()
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{
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string menuStyleID = "MenuStyleTree";
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HttpCookie menuStyleCookie = Request.Cookies["MenuStyle"];
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if (menuStyleCookie != null)
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{
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switch (menuStyleCookie.Value)
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{
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case "menu":
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menuStyleID = "MenuStyleTree";
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break;
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case "accordion":
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menuStyleID = "MenuStyleAccordion";
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break;
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}
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}
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SetSelectedMenuID(MenuStyle, menuStyleID);
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}
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private void InitLangMenuButton()
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{
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string langMenuID = "MenuLangZHCN";
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string langValue = PageManager1.Language.ToString().ToLower();
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switch (langValue)
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{
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case "zh_cn":
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langMenuID = "MenuLangZHCN";
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break;
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case "zh_tw":
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langMenuID = "MenuLangZHTW";
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break;
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case "en":
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langMenuID = "MenuLangEN";
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break;
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}
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SetSelectedMenuID(MenuLang, langMenuID);
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}
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private void InitThemeMenuButton()
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{
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string themeMenuID = "MenuThemeBlue";
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string themeValue = PageManager1.Theme.ToString().ToLower();
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switch (themeValue)
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{
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case "blue":
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themeMenuID = "MenuThemeBlue";
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break;
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case "gray":
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themeMenuID = "MenuThemeGray";
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break;
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case "access":
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themeMenuID = "MenuThemeAccess";
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break;
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case "neptune":
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themeMenuID = "MenuThemeNeptune";
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break;
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}
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SetSelectedMenuID(MenuTheme, themeMenuID);
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}
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#endregion
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#region Event
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protected void MenuLang_CheckedChanged(object sender, CheckedEventArgs e)
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{
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// 单选框菜单按钮的CheckedChanged事件会触发两次，一次是取消选中的菜单项，另一次是选中的菜单项；
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// 不处理取消选中菜单项的事件，从而防止此函数重复执行两次
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if (!e.Checked)
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{
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return;
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}
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string langValue = FineUI.Language.ZH_CN.ToString();
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string langID = GetSelectedMenuID(MenuLang);
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switch (langID)
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{
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case "MenuLangZHCN":
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langValue = FineUI.Language.ZH_CN.ToString();
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break;
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case "MenuLangZHTW":
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langValue = FineUI.Language.ZH_TW.ToString();
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break;
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case "MenuLangEN":
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langValue = FineUI.Language.EN.ToString();
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break;
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}
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SaveToCookieAndRefresh("Language", langValue);
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}
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protected void MenuTheme_CheckedChanged(object sender, CheckedEventArgs e)
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{
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// 单选框菜单按钮的CheckedChanged事件会触发两次，一次是取消选中的菜单项，另一次是选中的菜单项；
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// 不处理取消选中菜单项的事件，从而防止此函数重复执行两次
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if (!e.Checked)
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{
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return;
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}
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string themeValue = FineUI.Theme.Neptune.ToString();
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string themeID = GetSelectedMenuID(MenuTheme);
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switch (themeID)
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{
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case "MenuThemeNeptune":
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themeValue = FineUI.Theme.Neptune.ToString();
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break;
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case "MenuThemeBlue":
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themeValue = FineUI.Theme.Blue.ToString();
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break;
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case "MenuThemeGray":
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themeValue = FineUI.Theme.Gray.ToString();
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break;
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case "MenuThemeAccess":
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themeValue = FineUI.Theme.Access.ToString();
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break;
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}
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SaveToCookieAndRefresh("Theme", themeValue);
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}
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protected void MenuStyle_CheckedChanged(object sender, CheckedEventArgs e)
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{
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// 单选框菜单按钮的CheckedChanged事件会触发两次，一次是取消选中的菜单项，另一次是选中的菜单项；
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// 不处理取消选中菜单项的事件，从而防止此函数重复执行两次
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if (!e.Checked)
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{
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return;
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}
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string menuValue = "menu";
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string menuStyleID = GetSelectedMenuID(MenuStyle);
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switch (menuStyleID)
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{
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case "MenuStyleTree":
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menuValue = "tree";
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break;
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case "MenuStyleAccordion":
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menuValue = "accordion";
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break;
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}
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SaveToCookieAndRefresh("MenuStyle", menuValue);
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}
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private string GetSelectedMenuID(MenuButton menuButton)
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{
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foreach (MenuItem item in menuButton.Menu.Items)
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{
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if (item is MenuCheckBox && (item as MenuCheckBox).Checked)
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{
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return item.ID;
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}
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}
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return null;
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}
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private void SetSelectedMenuID(MenuButton menuButton, string selectedMenuID)
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{
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foreach (MenuItem item in menuButton.Menu.Items)
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{
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MenuCheckBox menu = (item as MenuCheckBox);
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if (menu != null && menu.ID == selectedMenuID)
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{
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menu.Checked = true;
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}
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else
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{
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menu.Checked = false;
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}
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}
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}
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private void SaveToCookieAndRefresh(string cookieName, string cookieValue)
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{
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HttpCookie cookie = new HttpCookie(cookieName, cookieValue);
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cookie.Expires = DateTime.Now.AddYears(1);
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Response.Cookies.Add(cookie);
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PageContext.Refresh();
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}
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#endregion
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#region Tree
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/// <summary>
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/// 重新设置每个节点的图标
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/// </summary>
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/// <param name="nodes"></param>
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private void ResolveTreeNode(TreeNodeCollection nodes)
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{
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foreach (TreeNode node in nodes)
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{
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if (node.Nodes.Count == 0)
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{
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if (!String.IsNullOrEmpty(node.NavigateUrl))
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{
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node.IconUrl = GetIconForTreeNode(node.NavigateUrl);
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}
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}
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else
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{
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ResolveTreeNode(node.Nodes);
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}
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}
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}
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/// <summary>
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/// 根据链接地址返回相应的图标
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/// </summary>
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/// <param name="url"></param>
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/// <returns></returns>
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private string GetIconForTreeNode(string url)
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{
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url = url.ToLower();
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int paramsIndex = url.IndexOf("?");
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if (paramsIndex >= 0)
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{
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url = url.Substring(0, paramsIndex);
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}
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int lastDotIndex = url.LastIndexOf('.');
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|
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if (lastDotIndex >= 0)
|
|||
|
|
{
|
|||
|
|
url = url.Substring(lastDotIndex + 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
string fileType = url;
|
|||
|
|
|
|||
|
|
string iconUrl = "~/images/filetype/vs_unknow.png";
|
|||
|
|
if (fileType == "txt")
|
|||
|
|
{
|
|||
|
|
iconUrl = "~/images/filetype/vs_txt.png";
|
|||
|
|
}
|
|||
|
|
else if (fileType == "aspx")
|
|||
|
|
{
|
|||
|
|
iconUrl = "~/images/filetype/vs_aspx.png";
|
|||
|
|
}
|
|||
|
|
else if (fileType == "htm" || fileType == "html")
|
|||
|
|
{
|
|||
|
|
iconUrl = "~/images/filetype/vs_htm.png";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return iconUrl;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|