[Nasa-exp-checkins] WorldWind/WorldWind/PluginEngine PluginInstallDialog.cs,NONE,1.1 PluginInstallDi

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Update of /cvsroot/nasa-exp/WorldWind/WorldWind/PluginEngine
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv23831/WorldWind/PluginEngine

Added Files:
	PluginInstallDialog.cs PluginInstallDialog.resx 
Log Message:
WW-106:	Add plugin install/uninstall buttons

--- NEW FILE: PluginInstallDialog.cs ---
using System;
using WorldWind.Net;
using WorldWind.PluginEngine;
using System.IO;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace WorldWind.PluginEngine
{
	/// <summary>
	/// Ask user for plugin file path/url, then download and install.
	/// </summary>
	public class PluginInstallDialog : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button buttonInstall;
		private System.Windows.Forms.Button buttonCancel;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox url;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
		private System.Windows.Forms.Button buttonBrowse;
		private System.Windows.Forms.OpenFileDialog openFileDialog;
		private PluginCompiler m_compiler;

		public PluginInstallDialog(PluginCompiler compiler)
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			m_compiler = compiler;
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.label1 = new System.Windows.Forms.Label();
			this.url = new System.Windows.Forms.TextBox();
			this.buttonInstall = new System.Windows.Forms.Button();
			this.buttonCancel = new System.Windows.Forms.Button();
			this.label2 = new System.Windows.Forms.Label();
			this.buttonBrowse = new System.Windows.Forms.Button();
			this.openFileDialog = new System.Windows.Forms.OpenFileDialog();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(11, 65);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(163, 14);
			this.label1.TabIndex = 1;
			this.label1.Text = "Plugin File / URL:";
			// 
			// url
			// 
			this.url.Location = new System.Drawing.Point(11, 83);
			this.url.Name = "url";
			this.url.Size = new System.Drawing.Size(333, 20);
			this.url.TabIndex = 2;
			this.url.Text = "";
			// 
			// buttonInstall
			// 
			this.buttonInstall.Location = new System.Drawing.Point(214, 115);
			this.buttonInstall.Name = "buttonInstall";
			this.buttonInstall.TabIndex = 4;
			this.buttonInstall.Text = "&Install";
			this.buttonInstall.Click += new System.EventHandler(this.buttonInstall_Click);
			// 
			// buttonCancel
			// 
			this.buttonCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.buttonCancel.Location = new System.Drawing.Point(297, 115);
			this.buttonCancel.Name = "buttonCancel";
			this.buttonCancel.TabIndex = 5;
			this.buttonCancel.Text = "&Cancel";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(12, 14);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(345, 42);
			this.label2.TabIndex = 0;
			this.label2.Text = "To install a plugin, either copy the URL pointing to the plugin from a web page a" +
				"nd paste it in the field below or paste/browse for a local file.  Then press ins" +
				"tall.";
			// 
			// buttonBrowse
			// 
			this.buttonBrowse.Location = new System.Drawing.Point(345, 81);
			this.buttonBrowse.Name = "buttonBrowse";
			this.buttonBrowse.Size = new System.Drawing.Size(30, 23);
			this.buttonBrowse.TabIndex = 3;
			this.buttonBrowse.Text = "&...";
			this.buttonBrowse.Click += new System.EventHandler(this.buttonBrowse_Click);
			// 
			// openFileDialog
			// 
			this.openFileDialog.AddExtension = false;
			this.openFileDialog.RestoreDirectory = true;
			// 
			// PluginInstallDialog
			// 
			this.AcceptButton = this.buttonInstall;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.CancelButton = this.buttonCancel;
			this.ClientSize = new System.Drawing.Size(383, 148);
			this.Controls.Add(this.buttonBrowse);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.buttonCancel);
			this.Controls.Add(this.buttonInstall);
			this.Controls.Add(this.url);
			this.Controls.Add(this.label1);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.Name = "PluginInstallDialog";
			this.Text = "Plugin Installation";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// Install plugin
		/// </summary>
		private void buttonInstall_Click(object sender, System.EventArgs e)
		{
			try
			{
				// Trim off any whitespace the user may have added 
				url.Text = url.Text.Trim();

				if(IsWeb)
					InstallFromUrl(new Uri(url.Text));
				else if(IsFile)
					InstallFromFile(url.Text);
				else
				{
					MessageBox.Show("Please specify an existing filename or a web url starting with 'http://'.", "Not found", MessageBoxButtons.OK, MessageBoxIcon.Error );
					url.Focus();
					return;
				}

				// Success, close this dialog
				Close();
			}
			catch(ApplicationException)
			{
				// User aborted
			}
		}

		/// <summary>
		/// Determine if user points to a file.
		/// </summary>
		bool IsFile
		{
			get
			{
				return File.Exists(url.Text);
			}
		}

		/// <summary>
		/// Determine if user points to a web URL.
		/// </summary>
		bool IsWeb
		{
			get
			{
				return url.Text.ToLower().StartsWith("http://");
			}
		}

		/// <summary>
		/// Install plugin from local file.
		/// </summary>
		/// <param name="pluginPath">Plugin path/filename.</param>
		void InstallFromFile( string pluginPath )
		{
			string fileName = Path.GetFileName( pluginPath );
			string destPath = GetDestinationPath( fileName );
			if(destPath == null)
				return;

			File.Copy(pluginPath, destPath);

			ShowSuccessMessage( fileName );
		}

		/// <summary>
		/// Install plugin from web (url).
		/// </summary>
		/// <param name="pluginUrl">http:// URL</param>
		void InstallFromUrl( Uri uri )
		{
			string fileName = Path.GetFileName( uri.LocalPath );
			string destPath = GetDestinationPath( fileName );
			if(destPath == null)
				return;

			using(WebDownload dl = new WebDownload(uri.ToString()))
				dl.DownloadFile(destPath);

			ShowSuccessMessage( fileName );
		}

		/// <summary>
		/// Calculates plugin destination directory based on name, and prepares it.
		/// </summary>
		/// <param name="fileName">Plugin filename only (no path).</param>
		string GetDestinationPath( string fileName )
		{
			string directory = Path.Combine(m_compiler.PluginRootDirectory, Path.GetFileNameWithoutExtension(fileName));
			Directory.CreateDirectory(directory);

			string fullPath = Path.Combine(directory, fileName);
			if(File.Exists(fullPath))
			{
				// Show overwrite warning
				string msg = string.Format("You already have {0} installed.  Do you wish to overwrite it?", 
					Path.GetFileNameWithoutExtension(fileName) );
				if( MessageBox.Show(msg, "Overwrite?", MessageBoxButtons.YesNo, MessageBoxIcon.Question, 
					MessageBoxDefaultButton.Button2) != DialogResult.Yes)
					throw new ApplicationException("Install aborted.");
			}

			return fullPath;
		}

		/// <summary>
		/// Display a message box with successful installation message.
		/// </summary>
		void ShowSuccessMessage( string fileName )
		{
			string msg = string.Format("{0} was successfully installed.",
				Path.GetFileNameWithoutExtension(fileName) );
			MessageBox.Show(msg, "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
		}

		/// <summary>
		/// Browse for local file
		/// </summary>
		private void buttonBrowse_Click(object sender, System.EventArgs e)
		{
			OpenFileDialog of = new OpenFileDialog();
			if(IsFile)
				of.FileName = url.Text;
			if(of.ShowDialog()!=DialogResult.OK)
				return;
			url.Text = of.FileName;
		}
	}
}

--- NEW FILE: PluginInstallDialog.resx ---
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[Nasa-exp-checkins] WorldWind/WorldWind/PluginEngine PluginInstallDialog.cs,NONE,1.1 PluginInstallDi

[Nasa-exp-checkins] WorldWind/WorldWind/PluginEngine PluginInstallDialog.cs,NONE,1.1 PluginInstallDialog.resx,NONE,1.1