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oqtane
312
Oqtane.Client/Shared/SiteRouter.razor
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312
Oqtane.Client/Shared/SiteRouter.razor
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@using System
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@using Oqtane.Services
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@using Oqtane.Models
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@using System.Linq
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@using System.Collections.Generic
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@using Oqtane.Shared
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@using Microsoft.JSInterop
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@inject IUriHelper UriHelper
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@inject IJSRuntime jsRuntime
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@inject ITenantService TenantService
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@inject ISiteService SiteService
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@inject IPageService PageService
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@inject IUserService UserService
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@inject IModuleService ModuleService
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@inject IModuleDefinitionService ModuleDefinitionService
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@inject ISkinService SkinService
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@DynamicComponent
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@functions {
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[CascadingParameter] PageState PageState { get; set; }
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[Parameter] Action<PageState> OnStateChange { get; set; }
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RenderFragment DynamicComponent { get; set; }
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private string _absoluteUri;
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string alias;
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Site site;
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List<Page> pages;
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Page page;
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User user;
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List<Module> modules;
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PageState pagestate;
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protected override void OnInit()
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{
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_absoluteUri = UriHelper.GetAbsoluteUri();
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UriHelper.OnLocationChanged += OnLocationChanged;
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DynamicComponent = builder =>
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{
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if (pagestate != null)
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{
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builder.OpenComponent(0, Type.GetType(Constants.DefaultPage));
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builder.CloseComponent();
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}
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};
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}
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public void Dispose()
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{
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UriHelper.OnLocationChanged -= OnLocationChanged;
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}
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protected override async Task OnParametersSetAsync()
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{
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if (PageState == null)
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{
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await Refresh();
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}
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}
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private async Task Refresh()
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{
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List<ModuleDefinition> moduledefinitions = await ModuleDefinitionService.GetModuleDefinitionsAsync();
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List<Models.Skin> skins = await SkinService.GetSkinsAsync();
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bool reload = false;
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if (PageState == null)
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{
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Tenant tenant = await TenantService.GetTenantAsync();
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site = await SiteService.GetSiteAsync(tenant.SiteId);
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alias = Utilities.GetAlias(_absoluteUri);
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}
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else
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{
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site = PageState.Site;
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alias = PageState.Alias;
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}
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if (Utilities.GetAlias(_absoluteUri) != alias)
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{
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Tenant tenant = await TenantService.GetTenantAsync();
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site = await SiteService.GetSiteAsync(tenant.SiteId);
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alias = Utilities.GetAlias(_absoluteUri);
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reload = true;
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}
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if (site != null)
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{
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var interop = new Interop(jsRuntime);
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string userid = await interop.GetCookie("user");
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if (PageState == null || reload == true)
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{
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if (!string.IsNullOrEmpty(userid))
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{
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user = await UserService.GetUserAsync(int.Parse(userid));
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}
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}
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else
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{
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user = PageState.User;
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}
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if (!string.IsNullOrEmpty(userid))
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{
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if (user != null && user.UserId != int.Parse(userid))
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{
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user = await UserService.GetUserAsync(int.Parse(userid));
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}
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// this is a hack for server-side Blazor where JSInterop is not working OnInit() which means the userid is not being retrieved from the cookie on the initial render and is not being loaded into PageState
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if (user == null)
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{
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user = await UserService.GetUserAsync(int.Parse(userid));
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}
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}
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else
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{
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user = null;
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}
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string path = new Uri(_absoluteUri).PathAndQuery.Substring(1);
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if (alias != "")
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{
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path = path.Replace(alias, "");
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}
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Dictionary<string, string> querystring = ParseQueryString(path);
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if (querystring.ContainsKey("reload"))
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{
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reload = true;
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}
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if (PageState == null || reload == true)
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{
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pages = await PageService.GetPagesAsync(site.SiteId);
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}
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else
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{
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pages = PageState.Pages;
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}
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if (path.IndexOf("?") != -1)
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{
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path = path.Substring(0, path.IndexOf("?"));
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}
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if (PageState == null || reload == true)
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{
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page = pages.Where(item => item.Path == path).FirstOrDefault();
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}
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else
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{
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page = PageState.Page;
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}
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if (page.Path != path)
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{
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page = pages.Where(item => item.Path == path).FirstOrDefault();
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reload = true;
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}
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if (page != null)
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{
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// check if user is authorized to view page
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if (UserService.IsAuthorized(user, page.ViewPermissions))
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{
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pagestate = new PageState();
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pagestate.Alias = alias;
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pagestate.Site = site;
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pagestate.Pages = pages;
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pagestate.Page = page;
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pagestate.User = user;
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pagestate.Uri = new Uri(_absoluteUri, UriKind.Absolute);
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pagestate.QueryString = querystring;
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pagestate.ModuleId = -1;
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pagestate.Control = "";
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pagestate.Mode = "client";
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if (querystring.ContainsKey("mid"))
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{
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pagestate.ModuleId = int.Parse(querystring["mid"]);
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}
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if (querystring.ContainsKey("ctl"))
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{
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pagestate.Control = querystring["ctl"];
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}
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if (PageState != null && (PageState.ModuleId != pagestate.ModuleId || PageState.Control != pagestate.Control))
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{
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reload = true;
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}
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if (PageState == null || reload == true)
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{
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modules = await ModuleService.GetModulesAsync(page.PageId);
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modules = ProcessModules(modules, moduledefinitions, pagestate.Control, page.Panes);
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}
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else
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{
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modules = PageState.Modules;
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}
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pagestate.Modules = modules;
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OnStateChange?.Invoke(pagestate);
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}
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else
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{
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// user is not authorized to view page
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}
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}
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else
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{
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// page does not exist
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}
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}
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else
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{
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// site does not exist
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}
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StateHasChanged();
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}
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private async void OnLocationChanged(object sender, string AbsoluteUri)
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{
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_absoluteUri = AbsoluteUri;
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await LocationChanged();
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}
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public async Task LocationChanged()
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{
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await Refresh();
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}
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private Dictionary<string, string> ParseQueryString(string path)
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{
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Dictionary<string, string> querystring = new Dictionary<string, string>();
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if (path.IndexOf("?") != -1)
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{
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foreach (string kvp in path.Substring(path.IndexOf("?") + 1).Split('&'))
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{
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if (kvp != "")
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{
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if (kvp.Contains("="))
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{
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string[] pair = kvp.Split('=');
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querystring.Add(pair[0], pair[1]);
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}
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else
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{
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querystring.Add(kvp, "true"); // default querystring when no value is provided
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}
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}
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}
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}
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return querystring;
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}
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private List<Module> ProcessModules(List<Module> modules, List<ModuleDefinition> moduledefinitions, string control, string panes)
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{
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ModuleDefinition moduledefinition;
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if (control == "")
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{
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control = Constants.DefaultControl;
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}
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Dictionary<string, int> paneindex = new Dictionary<string, int>();
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foreach (Module module in modules)
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{
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// set the type based on the template and action
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moduledefinition = moduledefinitions.Where(item => item.ModuleDefinitionName == module.ModuleDefinitionName).FirstOrDefault();
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if (moduledefinition != null)
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{
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string typename = moduledefinition.ControlTypeTemplate;
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if (moduledefinition.ControlTypeRoutes != "")
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{
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foreach (string route in moduledefinition.ControlTypeRoutes.Split(';'))
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{
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if (route.StartsWith(control + "="))
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{
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typename = route.Replace(control + "=", "");
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}
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}
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}
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module.ModuleType = typename.Replace("{Control}", control);
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}
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// ensure module's pane exists in current page and if not, assign it to the Admin pane
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if (!panes.Contains(module.Pane))
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{
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module.Pane = Constants.AdminPane;
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}
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// calculate module position within pane
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if (paneindex.ContainsKey(module.Pane))
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{
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paneindex[module.Pane] += 1;
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}
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else
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{
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paneindex.Add(module.Pane, 0);
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}
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module.PaneModuleIndex = paneindex[module.Pane];
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}
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foreach (Module module in modules)
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{
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module.PaneModuleCount = paneindex[module.Pane] + 1;
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}
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return modules;
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}
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}
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