//
// ScriptComponentDescriptor.cs
//
// Author:
// Igor Zelmanovich <igorz@mainsoft.com>
//
// (C) 2007 Mainsoft, Inc. http://www.mainsoft.com
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Text;
using System.Web.Script.Serialization;
namespace System.Web.UI{
public class ScriptComponentDescriptor : ScriptDescriptor
{
string _elementID;
string _type;
string _id;
IDictionary<string, string> _properties;
IDictionary<string, string> _events;
IDictionary<string, string> _references;
public ScriptComponentDescriptor (string type) {
if (String.IsNullOrEmpty (type))
throw new ArgumentException ("Value cannot be null or empty.", "type");
_type = type;
}
public virtual string ClientID {
get {
return ID;
}
}
internal string ElementIDInternal {
get {
return _elementID;
}
set {
_elementID = value;
}
}
public virtual string ID {
get {
if (_id == null)
return String.Empty;
return _id;
}
set {
_id = value;
}
}
public string Type {
get {
return _type;
}
set {
if (String.IsNullOrEmpty (value))
throw new ArgumentException ("Value cannot be null or empty.", "value");
_type = value;
}
}
public void AddComponentProperty (string name, string componentID) {
if (name == null)
throw new ArgumentException ("Value cannot be null or empty.", "name");
if (componentID == null)
throw new ArgumentException ("Value cannot be null or empty.", "componentID");
AddEntry (ref _references, String.Format ("\"{0}\"", name), String.Format ("\"{0}\"", componentID));
}
public void AddElementProperty (string name, string elementID) {
if (name == null)
throw new ArgumentException ("Value cannot be null or empty.", "name");
if (elementID == null)
throw new ArgumentException ("Value cannot be null or empty.", "elementID");
AddEntry (ref _properties, String.Format ("\"{0}\"", name), String.Format ("$get(\"{0}\")", elementID));
}
public void AddEvent (string name, string handler) {
if (name == null)
throw new ArgumentException ("Value cannot be null or empty.", "name");
if (handler == null)
throw new ArgumentException ("Value cannot be null or empty.", "handler");
AddEntry (ref _events, String.Format ("\"{0}\"", name), handler);
}
public void AddProperty (string name, object value) {
if (name == null)
throw new ArgumentException ("Value cannot be null or empty.", "name");
string valueString;
if (value == null)
valueString = "null";
else
valueString = JavaScriptSerializer.DefaultSerializer.Serialize (value);
AddEntry (ref _properties, String.Format ("\"{0}\"", name), valueString);
}
public void AddScriptProperty (string name, string script) {
if (name == null)
throw new ArgumentException ("Value cannot be null or empty.", "name");
if (script == null)
throw new ArgumentException ("Value cannot be null or empty.", "script");
AddEntry (ref _properties, String.Format ("\"{0}\"", name), script);
}
void AddEntry (ref IDictionary<string, string> dictionary, string key, string value) {
if (dictionary == null)
dictionary = new SortedDictionary<string, string> ();
if (!dictionary.ContainsKey (key))
dictionary.Add (key, value);
else
dictionary [key] = value;
}
protected internal override string GetScript ()
{
string id = ID;
if (id != String.Empty)
AddProperty ("id", id);
bool haveFormID = String.IsNullOrEmpty (FormID) == false;
bool haveElementID = String.IsNullOrEmpty (ElementIDInternal) == false;
var sb = new StringBuilder ("$create(");
if (haveFormID)
sb.Append ("$get(\"");
sb.Append (Type);
if (haveFormID)
sb.Append ("\")");
WriteSerializedProperties (sb);
WriteSerializedEvents (sb);
WriteSerializedReferences (sb);
if (haveElementID)
sb.AppendFormat (", $get(\"{0}\")", ElementIDInternal);
sb.Append (");");
return sb.ToString ();
}
internal static string SerializeDictionary (IDictionary<string, string> dictionary)
{
if (dictionary == null || dictionary.Count == 0)
return "null";
StringBuilder sb = new StringBuilder ("{");
foreach (string key in dictionary.Keys)
sb.AppendFormat ("{0}:{1},", key, dictionary [key]);
sb.Length--;
sb.Append ("}");
return sb.ToString ();
}
void WriteSerializedProperties (StringBuilder sb)
{
sb.Append (", ");
sb.Append (SerializeDictionary (_properties));
}
void WriteSerializedEvents (StringBuilder sb)
{
sb.Append (", ");
sb.Append (SerializeDictionary (_events));
}
void WriteSerializedReferences (StringBuilder sb)
{
sb.Append (", ");
sb.Append (SerializeDictionary (_references));
}
}
}
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