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Initial project's source code check-in.

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ptsurbeleu 2011-07-13 16:07:32 -07:00
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WebsitePanel.Installer/Sources/WebsitePanel.Setup/Wizard/InstallFolderPage.cs Normal file
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// Copyright (c) 2011, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// - Neither the name of the Outercurve Foundation nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Threading;
using System.Windows.Forms;
namespace WebsitePanel.Setup
{
public partial class InstallFolderPage : BannerWizardPage
{
public InstallFolderPage()
{
InitializeComponent();
}
private long spaceRequired = 0;
protected override void InitializePageInternal()
{
this.Text = "Choose Install Location";
string component = Wizard.SetupVariables.ComponentFullName;
this.Description = string.Format("Choose the folder in which to install {0}.", component);
this.lblIntro.Text = string.Format("Setup will install {0} in the following folder. To install in a different folder, click Browse and select another folder. Click Next to continue.", component);
this.AllowMoveBack = false;
this.AllowMoveNext = true;
this.AllowCancel = true;
UpdateSpaceRequiredInformation();
if ( !string.IsNullOrEmpty(Wizard.SetupVariables.InstallationFolder))
{
txtFolder.Text = Wizard.SetupVariables.InstallationFolder;
}
}
private void UpdateSpaceRequiredInformation()
{
try
{
spaceRequired = 0;
lblSpaceRequiredValue.Text = string.Empty;
if (!string.IsNullOrEmpty(Wizard.SetupVariables.InstallerFolder))
{
spaceRequired = FileUtils.CalculateFolderSize(Wizard.SetupVariables.InstallerFolder);
lblSpaceRequiredValue.Text = FileUtils.SizeToMB(spaceRequired);
}
}
catch (Exception ex)
{
Log.WriteError("I/O error:", ex);
}
}
protected internal override void OnAfterDisplay(EventArgs e)
{
base.OnAfterDisplay(e);
////unattended setup
if (!string.IsNullOrEmpty(Wizard.SetupVariables.SetupXml) && AllowMoveNext)
Wizard.GoNext();
}
private void OnBrowseClick(object sender, System.EventArgs e)
{
FolderBrowserDialog dialog = new FolderBrowserDialog();
dialog.RootFolder = Environment.SpecialFolder.MyComputer;
dialog.SelectedPath = txtFolder.Text;
if (dialog.ShowDialog() == DialogResult.OK)
{
txtFolder.Text = dialog.SelectedPath;
}
}
protected internal override void OnBeforeMoveNext(CancelEventArgs e)
{
try
{
string installFolder = this.txtFolder.Text;
Log.WriteInfo(string.Format("Destination folder \"{0}\" selected", installFolder));
if (!Directory.Exists(installFolder))
{
Log.WriteStart(string.Format("Creating a new folder \"{0}\"", installFolder));
Directory.CreateDirectory(installFolder);
Log.WriteStart("Created a new folder");
}
Wizard.SetupVariables.InstallationFolder = installFolder;
base.OnBeforeMoveNext(e);
}
catch (Exception ex)
{
Log.WriteError("Folder create error", ex);
e.Cancel = true;
ShowError("Unable to create the folder.");
}
}
private void OnFolderChanged(object sender, EventArgs e)
{
UpdateFreeSpaceInformation();
}
private void UpdateFreeSpaceInformation()
{
lblSpaceAvailableValue.Text = string.Empty;
this.AllowMoveNext = false;
try
{
if ( string.IsNullOrEmpty(txtFolder.Text))
return;
string path = Path.GetFullPath(txtFolder.Text);
string drive = Path.GetPathRoot(path);
ulong freeBytesAvailable, totalBytes, freeBytes;
if (FileUtils.GetDiskFreeSpaceEx(drive, out freeBytesAvailable, out totalBytes, out freeBytes))
{
long freeSpace = Convert.ToInt64(freeBytesAvailable);
lblSpaceAvailableValue.Text = FileUtils.SizeToMB(freeSpace);
this.AllowMoveNext = (freeSpace >= spaceRequired);
}
}
catch (Exception ex)
{
Log.WriteError("I/O error:", ex);
this.AllowMoveNext = false;
}
}
}
}