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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Text;
namespace System.Web.Mvc.Ajax
{
public class AjaxOptions
{
private string _confirm;
private string _httpMethod;
private InsertionMode _insertionMode = InsertionMode.Replace;
private string _loadingElementId;
private string _onBegin;
private string _onComplete;
private string _onFailure;
private string _onSuccess;
private string _updateTargetId;
private string _url;
public string Confirm
{
get { return _confirm ?? String.Empty; }
set { _confirm = value; }
}
public string HttpMethod
{
get { return _httpMethod ?? String.Empty; }
set { _httpMethod = value; }
}
public InsertionMode InsertionMode
{
get { return _insertionMode; }
set
{
switch (value)
{
case InsertionMode.Replace:
case InsertionMode.InsertAfter:
case InsertionMode.InsertBefore:
_insertionMode = value;
return;
default:
throw new ArgumentOutOfRangeException("value");
}
}
}
internal string InsertionModeString
{
get
{
switch (InsertionMode)
{
case InsertionMode.Replace:
return "Sys.Mvc.InsertionMode.replace";
case InsertionMode.InsertBefore:
return "Sys.Mvc.InsertionMode.insertBefore";
case InsertionMode.InsertAfter:
return "Sys.Mvc.InsertionMode.insertAfter";
default:
return ((int)InsertionMode).ToString(CultureInfo.InvariantCulture);
}
}
}
internal string InsertionModeUnobtrusive
{
get
{
switch (InsertionMode)
{
case InsertionMode.Replace:
return "replace";
case InsertionMode.InsertBefore:
return "before";
case InsertionMode.InsertAfter:
return "after";
default:
return ((int)InsertionMode).ToString(CultureInfo.InvariantCulture);
}
}
}
public int LoadingElementDuration { get; set; }
public string LoadingElementId
{
get { return _loadingElementId ?? String.Empty; }
set { _loadingElementId = value; }
}
public string OnBegin
{
get { return _onBegin ?? String.Empty; }
set { _onBegin = value; }
}
public string OnComplete
{
get { return _onComplete ?? String.Empty; }
set { _onComplete = value; }
}
public string OnFailure
{
get { return _onFailure ?? String.Empty; }
set { _onFailure = value; }
}
public string OnSuccess
{
get { return _onSuccess ?? String.Empty; }
set { _onSuccess = value; }
}
public string UpdateTargetId
{
get { return _updateTargetId ?? String.Empty; }
set { _updateTargetId = value; }
}
[SuppressMessage("Microsoft.Design", "CA1056:UriPropertiesShouldNotBeStrings", Justification = "This property is used by the optionsBuilder which always accepts a string.")]
public string Url
{
get { return _url ?? String.Empty; }
set { _url = value; }
}
internal string ToJavascriptString()
{
// creates a string of the form { key1: value1, key2 : value2, ... }
StringBuilder optionsBuilder = new StringBuilder("{");
optionsBuilder.Append(String.Format(CultureInfo.InvariantCulture, " insertionMode: {0},", InsertionModeString));
optionsBuilder.Append(PropertyStringIfSpecified("confirm", Confirm));
optionsBuilder.Append(PropertyStringIfSpecified("httpMethod", HttpMethod));
optionsBuilder.Append(PropertyStringIfSpecified("loadingElementId", LoadingElementId));
optionsBuilder.Append(PropertyStringIfSpecified("updateTargetId", UpdateTargetId));
optionsBuilder.Append(PropertyStringIfSpecified("url", Url));
optionsBuilder.Append(EventStringIfSpecified("onBegin", OnBegin));
optionsBuilder.Append(EventStringIfSpecified("onComplete", OnComplete));
optionsBuilder.Append(EventStringIfSpecified("onFailure", OnFailure));
optionsBuilder.Append(EventStringIfSpecified("onSuccess", OnSuccess));
optionsBuilder.Length--;
optionsBuilder.Append(" }");
return optionsBuilder.ToString();
}
public IDictionary<string, object> ToUnobtrusiveHtmlAttributes()
{
var result = new Dictionary<string, object>
{
{ "data-ajax", "true" },
};
AddToDictionaryIfSpecified(result, "data-ajax-url", Url);
AddToDictionaryIfSpecified(result, "data-ajax-method", HttpMethod);
AddToDictionaryIfSpecified(result, "data-ajax-confirm", Confirm);
AddToDictionaryIfSpecified(result, "data-ajax-begin", OnBegin);
AddToDictionaryIfSpecified(result, "data-ajax-complete", OnComplete);
AddToDictionaryIfSpecified(result, "data-ajax-failure", OnFailure);
AddToDictionaryIfSpecified(result, "data-ajax-success", OnSuccess);
if (!String.IsNullOrWhiteSpace(LoadingElementId))
{
result.Add("data-ajax-loading", "#" + LoadingElementId);
if (LoadingElementDuration > 0)
{
result.Add("data-ajax-loading-duration", LoadingElementDuration);
}
}
if (!String.IsNullOrWhiteSpace(UpdateTargetId))
{
result.Add("data-ajax-update", "#" + UpdateTargetId);
result.Add("data-ajax-mode", InsertionModeUnobtrusive);
}
return result;
}
// Helpers
private static void AddToDictionaryIfSpecified(IDictionary<string, object> dictionary, string name, string value)
{
if (!String.IsNullOrWhiteSpace(value))
{
dictionary.Add(name, value);
}
}
private static string EventStringIfSpecified(string propertyName, string handler)
{
if (!String.IsNullOrEmpty(handler))
{
return String.Format(CultureInfo.InvariantCulture, " {0}: Function.createDelegate(this, {1}),", propertyName, handler.ToString());
}
return String.Empty;
}
private static string PropertyStringIfSpecified(string propertyName, string propertyValue)
{
if (!String.IsNullOrEmpty(propertyValue))
{
string escapedPropertyValue = propertyValue.Replace("'", @"\'");
return String.Format(CultureInfo.InvariantCulture, " {0}: '{1}',", propertyName, escapedPropertyValue);
}
return String.Empty;
}
}
}
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