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using System;using System.Web;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Data;using System.Globalization;using System.Collections.Specialized;
using UDDI.Web;using UDDI.API;using UDDI.API.Service;using UDDI.API.Business;
namespace UDDI.VisualStudio{ /// <summary>
/// This class represents the default page that is displayed in the Add Web Reference
/// Dialog in Visual Studio .NET. This page will display the inital search options to
/// the user.
/// </summary>
public class AddWebReferencePage : Page { //
// These controls are bound to elements on our .aspx page. We do not need to instantiate
// these objects, ASP.NET will assign values to them for us.
//
protected UddiButton aspnet_searchByService; protected UddiButton aspnet_searchByProvider; protected UddiButton aspnet_searchFromBrowse; protected UddiButton aspnet_cancelBrowse; protected UddiTextBox aspnet_serviceName; protected UddiTextBox aspnet_providerName; protected Label aspnet_serviceErrorMessage; protected Label aspnet_providerErrorMessage; protected Label aspnet_noCategoriesMessage; protected HelpLinkControl aspnet_helpLink; protected HtmlGenericControl html_browseSearchButtons; protected HtmlGenericControl html_searchButtons; protected CategoryBrowserControl uddi_categoryBrowser; /// <summary>
/// Event handler for the aspnet_searchByService button click.
/// </summary>
/// <param name="sender">Passed by ASP.NET, we don't use it.</param>
/// <param name="args">Passed by ASP.NET, we don't use it.</param>
public void SearchByService_Click( object sender, EventArgs args ) { //
// We are searching by service name. Make sure we have a name first.
//
string searchName = aspnet_serviceName.Text;
if( null == searchName || searchName.Equals( string.Empty ) || searchName.Length == 0 ) { ShowErrorMessage( SearchType.SearchByService ); } else { string url = string.Format( "search.aspx?{0}={1}&{2}={3}", StateParamNames.SearchType, (int)SearchType.SearchByService, StateParamNames.SearchParams, Server.UrlEncode( searchName ) );
Response.Redirect( url ); } } /// <summary>
/// Event handler for the aspnet_searchByProvider button click.
/// </summary>
/// <param name="sender">Passed by ASP.NET, we don't use it.</param>
/// <param name="args">Passed by ASP.NET, we don't use it.</param>
public void SearchByProvider_Click( object sender, EventArgs args ) { //
// We are searching by business name. Make sure we have a name first.
//
string searchName = aspnet_providerName.Text; if( null == searchName || searchName.Equals( string.Empty ) || searchName.Length == 0 ) { ShowErrorMessage( SearchType.SearchByProvider ); } else { string url = string.Format( "search.aspx?{0}={1}&{2}={3}", StateParamNames.SearchType, (int)SearchType.SearchByProvider, StateParamNames.SearchParams, Server.UrlEncode( searchName ) ); Response.Redirect( url ); } }
private void SearchFromBrowse_Click( object sender, EventArgs args ) { string searchID = ( string ) ViewState[ StateParamNames.SearchID ]; string url = string.Format( "search.aspx?{0}={1}&{2}={3}&{4}={5}", StateParamNames.SearchType, (int)SearchType.SearchFromBrowse, Server.UrlEncode( StateParamNames.TModelKey ), Server.UrlEncode( uddi_categoryBrowser.TModelKey ), StateParamNames.KeyValue, Server.UrlEncode( uddi_categoryBrowser.KeyValue ) ); Response.Redirect( url ); }
/// <summary>
/// Displays an error message to the user.
/// </summary>
/// <param name="searchType">The type of search determines what message to show.</param>
private void ShowErrorMessage( SearchType searchType ) { switch( searchType ) { case SearchType.SearchByService: { aspnet_serviceErrorMessage.Text = Localization.GetString( "AWR_SEARCH_SERVICE_ERROR" ); aspnet_serviceErrorMessage.Visible = true; break; } case SearchType.SearchByProvider: { aspnet_providerErrorMessage.Text = Localization.GetString( "AWR_SEARCH_PROVIDER_ERROR" ); aspnet_providerErrorMessage.Visible = true;
break; } } } protected void CancelBrowse_Click( object sender, EventArgs args ) { string searchID = ViewState[ StateParamNames.SearchID ] as string; if( null != searchID && searchID.Length > 0 ) { SessionCache.Discard( searchID ); } Response.Redirect( "default.aspx" ); }
protected override void OnLoad( EventArgs args ) { //
// Whenever we load this page, we want to make sure our session state is cleared out and that
// the default search options are visible.
Session.Clear();
//
// Reset the state of our search and browse buttons
//
html_searchButtons.Visible = true; html_browseSearchButtons.Visible = false; //
// Set our help link based on the current culture.
//
// -- this control is not localizable, replacing with localizable version
//aspnet_helpLink.NavigateUrl = string.Format(@"javascript:OnNavigate('{0}/addwebreference/{1}/help.htm')", Request.ApplicationPath, CultureInfo.CurrentCulture.TwoLetterISOLanguageName );
aspnet_helpLink.NavigateUrl = string.Format(@"javascript:OnNavigate('{0}/addwebreference/{1}/help.htm')", Request.ApplicationPath, Localization.GetCulture().LCID ); // We don't use the CacheObject, but the CategoryBrowser control won't work unless this object
// is properly instantiated.
//
CacheObject cacheObject;
if( !this.IsPostBack ) { string searchID = Guid.NewGuid().ToString(); ViewState[ StateParamNames.SearchID ] = searchID;
cacheObject = new CacheObject();
cacheObject.FindBusiness = new FindBusiness(); cacheObject.FindBusiness.CategoryBag = new KeyedReferenceCollection(); cacheObject.FindBusiness.IdentifierBag = new KeyedReferenceCollection(); cacheObject.FindBusiness.TModelBag = new StringCollection();
cacheObject.FindService = new FindService(); cacheObject.FindService.CategoryBag = new KeyedReferenceCollection(); cacheObject.FindService.TModelBag = new StringCollection();
cacheObject.FindTModel = new UDDI.API.ServiceType.FindTModel(); cacheObject.FindTModel.CategoryBag = new KeyedReferenceCollection(); cacheObject.FindTModel.IdentifierBag = new KeyedReferenceCollection(); SessionCache.Save( searchID, cacheObject ); } else { //
// Get our search ID
//
string searchID = ( string ) ViewState[ StateParamNames.SearchID ];
cacheObject = SessionCache.Get( searchID );
//
// We want to peek in the ASP.NET event pipeline to see if the CategoryBrowser has been invoked. If it
// has, then we want to hide the rest of the search page. The reason is that the CategoryBrowser control
// can't be redirected to another page, so we want to give the appearance that its on a dedicated page.
//
if( null != Request[ "__EVENTTARGET" ] && Request[ "__EVENTTARGET" ].Length > 0 ) { html_searchButtons.Visible = false; html_browseSearchButtons.Visible = true; } }
//
// A null cacheObject at this point is a fatal error because we can't initialize our CategoryBrowser
// without it.
//
if( null == cacheObject ) { Response.Redirect( "error.aspx" ); } uddi_categoryBrowser.Initialize( new KeyedReferenceCollection(), cacheObject ); uddi_categoryBrowser.ShowNoCategoriesMessage = false; }
/// <summary>
/// This is our last chance to manipulate the page. All we want to do is see if our category browser is going to
/// show any taxonomies. If it isn't, we'll output a message instead of an empty control.
/// </summary>
/// <param name="args"></param>
protected override void OnPreRender( EventArgs args ) { //
// If we are not in a postback, and there are no taxonomies being shown,
// display a message
//
if( 0 == uddi_categoryBrowser.TaxonomyCount && !IsPostBack ) { aspnet_noCategoriesMessage.Text = Localization.GetString( "AWR_NO_CATEGORIES" ); aspnet_noCategoriesMessage.Visible = true; uddi_categoryBrowser.Visible = false; } //
// Only enable our search button if we are looking at a categorization scheme that is
// valid for categorization.
//
string taxonomyID = uddi_categoryBrowser.TaxonomyID; string tModelKey = uddi_categoryBrowser.TModelKey; string keyValue = uddi_categoryBrowser.KeyValue;
if( null != taxonomyID && taxonomyID.Length > 0 && null != keyValue && keyValue.Length > 0 && Taxonomy.IsValidForClassification( Convert.ToInt32( taxonomyID ), keyValue ) ) { aspnet_searchFromBrowse.Enabled = true; } else { aspnet_searchFromBrowse.Enabled = false; } base.OnPreRender( args ); }
/// <summary>
/// Override OnInit to set up our event handlers
/// </summary>
/// <param name="args">Passed by ASP.NET, we dont' use it.</param>
protected override void OnInit( EventArgs args ) { //
// Hook up our event handlers
//
aspnet_searchByService.Click += new EventHandler( SearchByService_Click ); aspnet_searchByProvider.Click += new EventHandler( SearchByProvider_Click ); aspnet_searchFromBrowse.Click += new EventHandler( SearchFromBrowse_Click ); aspnet_cancelBrowse.Click += new EventHandler( CancelBrowse_Click ); } }}
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