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RpsExternalCommandBase.cs

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 2016.0.1

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RpsExternalCommandBase.cs

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.IO;

using System.Xml.Linq;

using Autodesk.Navisworks.Api;

using Autodesk.Navisworks.Api.Plugins;

namespace RevitPythonShell.RpsRuntime

{

/// <summary>

/// An abstract base class for ExternalCommand instances created by the DeployRpsAddin projects.

/// All that has to be done is subclass from this class - the script to run will

/// be found inside the assembly embedded resources of the subclass.

/// </summary>

public abstract class RpsExternalCommandBase

{

/// <summary>

/// Find the script in the resources and run it.

/// </summary>

public int Execute(ref string message, string[] parameters)

{

var executor = new ScriptExecutor(GetConfig(), message);

var className = this.GetType().Name; // e.g. "ec_helloworld"

var scriptName = className.Substring(3) + ".py"; // e.g. "helloworld.py

var assembly = this.GetType().Assembly;

var source = new StreamReader(assembly.GetManifestResourceStream(scriptName)).ReadToEnd();

var result = executor.ExecuteScript(source, Path.Combine(assembly.Location, scriptName));

message = executor.Message;

return result;

}

/// <summary>

/// Search for the config file first in the user preferences,

/// then in the all users preferences.

/// If not found, a new (empty) config file is created in the user preferences.

/// </summary>

private RpsConfig GetConfig()

{

var addinName = Path.GetFileNameWithoutExtension(this.GetType().Assembly.Location);

var fileName = addinName + ".xml";

var userFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), addinName);

var userFolderFile = Path.Combine(userFolder, fileName);

if (File.Exists(userFolderFile))

{

return new RpsConfig(userFolderFile);

}

var allUserFolder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), addinName);

var allUserFolderFile = Path.Combine(allUserFolder, addinName);

if (File.Exists(allUserFolderFile))

{

return new RpsConfig(allUserFolderFile);

}

// create a new file in users appdata and return that

var doc = new XDocument(

new XElement("RevitPythonShell",

new XElement("SearchPaths"),

new XElement("Variables")));

if (!Directory.Exists(userFolder))

{

Directory.CreateDirectory(userFolder);

}

doc.Save(userFolderFile);

return new RpsConfig(userFolderFile);

}

}

}