/// <summary>
/// Creates new category from the file system.
/// no save() is required after that.
/// </summary>
/// <param name="parentCategory">the parent</param>
/// <param name="fileName">the full path</param>
/// <param name="deep">determine if you will make a deep copy,
/// or you will just copy only the images in this category</param>
public Category(Category parentCategory, String fileName, bool deep)
{
if (parentCategory == null || fileName == null)
{
throw new ObjectDBException("Problem creating category!", this);
}
// the user of the new category is the
// same as the user of the parent category
this.parent = parentCategory;
user = parentCategory.User;
SqlTransaction trans = null;
try
{
trans = user.Connection.getInstance().BeginTransaction();
SqlCommand cmd = new SqlCommand();
cmd.Connection = user.Connection.getInstance();
cmd.Transaction = trans;
cmd.CommandType = CommandType.StoredProcedure;
if (!deep)
{
FileManger.saveSingleFolder(cmd, this, fileName);
}
else
{
}
trans.Commit();
}
catch (SqlException e)
{
if (trans != null) trans.Rollback();
throw new ServerInfoException(
e.Message, user.Connection.ServerInfos, e);
}
catch (Exception e)
{
if (trans != null) trans.Rollback();
if (e is ServerInfoException) throw e;
else
{
throw new ObjectDBException("Problem creating new category!", this, e);
}
}
shared = false;
}
public Category(Category parentCategory)
{
this.parent = parentCategory;
this.user = parentCategory.User;
}
public void save()
{
if (this.id >= 0 || parent == null || categoryName == null)
{
// Category should not have an id to be inserted
throw new ObjectDBException("Problem creating category!", this);
}
// the user of the new category is the
// same as the user of the parent category
user = parent.user;
try
{
SqlCommand cmd = new SqlCommand();
cmd.Connection = user.Connection.getInstance();
// no transaction needed here
cmd.CommandType = CommandType.StoredProcedure;
FileManger.saveCategory(cmd, this);
}
catch (SqlException e)
{
throw new ServerInfoException(
e.Message, user.Connection.ServerInfos, e);
}
catch (Exception e)
{
if (e is ServerInfoException) throw e;
else
{
throw new ObjectDBException("Problem creating new category!", this, e);
}
}
parent = null;
shared = false;
}
/// <summary>
/// Loads a new existing image by its id.
/// Since this is internal constructor it
/// dosen't wrap the exceptions(i.e. danegrouse code).
/// </summary>
/// <param name="categoryId">the id of the image</param>
/// <param name="cmd">the command object to be used
/// (convinient when using transactions)</param>
/// <param name="user">the current user of this image</param>
internal Image(Int32 imageId, SqlCommand cmd, User user)
{
this.user = user;
load(imageId, cmd);
}
/// <summary>
/// Loads a new existing category by its id.
/// Since this is internal constructor it
/// dosen't wrap the exceptions(i.e. danegrouse code).
/// </summary>
/// <param name="categoryId">the id of the category</param>
/// <param name="cmd">the command object to be used
/// (convinient when using transactions)</param>
/// <param name="user">the current user of this category</param>
internal Category(Int32 categoryId, SqlCommand cmd, User user)
{
this.user = user;
load(categoryId, cmd);
}
private void MenuItemChangePassword_Click(object sender, System.EventArgs e)
{
ChangePasswordDialog dialog = new ChangePasswordDialog();
dialog.Alias = currentUser.Alias;
if (dialog.ShowDialog() == DialogResult.OK && currentUser != null)
{
try
{
if (currentUser.checkUser(dialog.Alias, dialog.Password))
{
currentUser.Password = dialog.NewPassword;
MessageBox.Show(this, "Password successfuly changed!", "Info",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
dialog.Dispose();
}
catch (ServerInfoException ex)
{
MessageBox.Show(this, ex.Message, "Info",
MessageBoxButtons.OK, MessageBoxIcon.Information);
dialog.Dispose();
// try again
MenuItemChangePassword_Click(sender, e);
}
catch (ObjectDBException ex)
{
MessageBox.Show(this, ex.Message, "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
currentUser.Dispose();
currentUser = null;
enableMenu(false);
}
}
}
public Image(String fileName, Category parentCategory)
{
this.realFileName = fileName;
this.parentCategory = parentCategory;
this.user = parentCategory.User;
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
if (currentUser != null)
{
currentUser.Dispose();
currentUser = null;
}
}
base.Dispose( disposing );
}
private void MenuItemNewUser_Click(object sender, System.EventArgs e)
{
NewUserDialog dialog = new NewUserDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
currentUser = new User();
try
{
currentUser.Alias = dialog.Alias;
currentUser.Name = dialog.UserName;
currentUser.Surname = dialog.UserSurname;
currentUser.Password = dialog.Password;
currentUser.save();
// set the root element of the tree
Category rootCat = currentUser.RootCategory;
TreeNode root = new TreeNode(rootCat.Name);
root.Tag = rootCat;
root.ImageIndex = 0;
MainFormTreeView.Nodes.Add(root);
enableMenu(true);
dialog.Dispose();
}
catch (ServerInfoException ex)
{
MessageBox.Show(dialog, ex.Message, "Info",
MessageBoxButtons.OK, MessageBoxIcon.Information);
dialog.Dispose();
// try again
MenuItemNewUser_Click(sender, e);
}
catch (ObjectDBException ex)
{
MessageBox.Show(this, ex.Message + "\n" +
"Application will terminate.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
dialog.Dispose();
}
}
}
private void MenuItemLogout_Click(object sender, System.EventArgs e)
{
if (MenuItemLogout.Enabled == true && currentUser != null)
{
try
{
currentUser.performLogout();
currentUser.Dispose();
currentUser = null;
MainFormTreeView.Nodes.Clear();
ListViewImageList.Images.Clear();
MainFrameListView.Items.Clear();
enableMenu(false);
GC.Collect();
}
catch (ServerInfoException ex)
{
MessageBox.Show(this, ex.Message, "Info",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (ObjectDBException ex)
{
MessageBox.Show(this, ex.Message +
"/n Application will terminate!", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Dispose();
currentUser = null;
}
}
}
private void MenuItemLogin_Click(object sender, System.EventArgs e)
{
LoginDialog dialog = new LoginDialog();
if (dialog.ShowDialog() == DialogResult.OK)
{
if (currentUser == null) {
currentUser = new User();
}
try
{
currentUser.performLogin(dialog.Loginame, dialog.Password);
// set the root element of the tree
Category rootCat = currentUser.RootCategory;
TreeNode root = new TreeNode(rootCat.Name);
root.Tag = rootCat;
root.ImageIndex = 0;
MainFormTreeView.Nodes.Add(root);
MainFormTreeView.Refresh();
enableMenu(true);
dialog.Dispose();
}
catch (ServerInfoException ex)
{
MessageBox.Show(this, ex.Message, "Info",
MessageBoxButtons.OK, MessageBoxIcon.Information);
dialog.Dispose();
// try again
MenuItemLogin_Click(sender, e);
}
catch (ObjectDBException ex)
{
MessageBox.Show(this, ex.Message, "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
dialog.Dispose();
}
dialog = null;
GC.Collect();
}
}
private void MenuItemDeleteUser_Click(object sender, System.EventArgs e)
{
if (MenuItemDeleteUser.Enabled == true && currentUser != null)
{
try
{
bool confirmed = MessageBox.Show(
"This operation will delete all the data associated with this user.\n"+
"\tDo you want to continue?",
"Confirmation Dialog", MessageBoxButtons.YesNo,
MessageBoxIcon.Warning) == DialogResult.Yes;
if (confirmed)
{
currentUser.delete();
currentUser.Dispose();
currentUser = null;
MainFormTreeView.Nodes.Clear();
MainFrameListView.Items.Clear();
ListViewImageList.Images.Clear();
enableMenu(false);
GC.Collect();
}
}
catch (ServerInfoException ex)
{
MessageBox.Show(this, ex.Message, "Info",
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (ObjectDBException ex)
{
MessageBox.Show(this, ex.Message + "\n" +
"Application will terminate.", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
Dispose(true);
}
}
}