WizardFormXmlCustomParser.cs :  » Web-Frameworks » Ingenious-MVC » Ingenious » Mvc » Windows » Forms » Views » C# / CSharp Open Source

#region License

/**
 * Ingenious MVC : An MVC framework for .NET 2.0
 * Copyright (C) 2006, JDP Group
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Authors: - Kent Boogaart (kentcb@internode.on.net)
 */

#endregion

using System;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Resources;
using System.Xml;
using System.Xml.Schema;
using Ingenious.Mvc.Configuration;
using Ingenious.Mvc.Configuration.Configurators;
using Ingenious.Mvc.Util;

namespace Ingenious.Mvc.Windows.Forms.Views{
  /// <include file='WizardFormXmlCustomParser.doc.xml' path='/doc/member[@name="T:WizardFormXmlCustomParser"]/*'/>
  internal sealed class WizardFormXmlCustomParser : IXmlCustomParser
  {
    private XmlSchema _schema;

    /// <include file='WizardFormXmlCustomParser.doc.xml' path='/doc/member[@name="P:Schema"]/*'/>
    XmlSchema IXmlCustomParser.Schema
    {
      get
      {
        if (_schema == null)
        {
          _schema = XmlSchema.Read(Assembly.GetExecutingAssembly().GetManifestResourceStream(GetType(), "WizardFormXmlCustomParser.xsd"), null);
        }

        return _schema;
      }
    }

    /// <include file='WizardFormXmlCustomParser.doc.xml' path='/doc/member[@name="P:TypeName"]/*'/>
    string IXmlCustomParser.TypeName
    {
      get
      {
        return "wizardForm";
      }
    }

    /// <include file='WizardFormXmlCustomParser.doc.xml' path='/doc/member[@name="M:Parse(Ingenious.Mvc.Configuration.ConfigurationInfo,System.Object,System.Xml.XmlNode)"]/*'/>
    public object Parse(ConfigurationInfo configurationInfo, object parent, XmlNode section)
    {
      ArgumentHelper.AssertNotNull(section, "section");
      ArgumentHelper.AssertNotNull(parent, "parent");

      ViewInfo viewInfo = parent as ViewInfo;
      System.Diagnostics.Debug.Assert(!viewInfo.Id.IsEmpty);
      XmlAttribute titleAttribute = section.Attributes["title"];
      XmlAttribute imageAttribute = section.Attributes["image"];
      XmlAttribute previousTextAttribute = section.Attributes["previousText"];
      XmlAttribute nextTextAttribute = section.Attributes["nextText"];
      XmlAttribute finishTextAttribute = section.Attributes["finishText"];
      XmlAttribute cancelTextAttribute = section.Attributes["cancelText"];
      
      WizardForm.CustomConfiguration retVal = new Ingenious.Mvc.Windows.Forms.Views.WizardForm.CustomConfiguration();

      if (titleAttribute != null)
      {
        retVal.Title = titleAttribute.Value;
      }

      if (previousTextAttribute != null)
      {
        retVal.PreviousText = previousTextAttribute.Value;
      }

      if (nextTextAttribute != null)
      {
        retVal.NextText = nextTextAttribute.Value;
      }

      if (finishTextAttribute != null)
      {
        retVal.FinishText = finishTextAttribute.Value;
      }

      if (cancelTextAttribute != null)
      {
        retVal.CancelText = cancelTextAttribute.Value;
      }

      if (imageAttribute != null)
      {
        Image image = null;
        string imageString = imageAttribute.Value;

        //first look for an appropriate resource
        if (imageString.IndexOf(",") != -1)
        {
          string resourceName = imageString.Substring(0, imageString.IndexOf(","));
          string typeName = imageString.Substring(resourceName.Length + 1).Trim();
          Type type = System.Type.GetType(typeName);

          if (type != null)
          {
            ResourceManager resourceManager = new ResourceManager(type);
            image = resourceManager.GetObject(resourceName) as Image;
          }
        }

        //next, look for a file
        if (image == null)
        {
          if (File.Exists(imageString))
          {
            image = Image.FromFile(imageString);
          }
        }

        //we must have an image by now otherwise we throw
        ExceptionHelper.ThrowIf(image == null, "Parse.imageNotFound", imageString, viewInfo.Id);
        retVal.Image = image;
      }

      return retVal;
    }
  }
}