public bool Save(string FileName)
{
if (!AnyTaskSelected || FileName == null)
{
return(false);
}
XDocument doc = new XDocument(new XElement("task", SelectedTask.Attribute("number"),
new XElement("table", DataTable
.Skip(1)
.Select(i =>
new XElement("row", i
.Select(j =>
new XElement("cell", new XAttribute("value", j.Text))
))))));
doc.Save(FileName);
return(true);
}
public bool Load(string FileName)
{
if (!AnyTaskSelected)
{
return(false);
}
if (!System.IO.File.Exists(FileName))
{
throw new XMLFileOpenSaveException("File doesn't exist!");
}
XDocument doc = XDocument.Load(FileName);
#region Validation
var task = doc.Element("task");
if (task == null)
{
throw new XMLValidationException("XML file has no element <task>");
}
if (task.Attribute("number").Value != SelectedTask.Attribute("number").Value)
{
return(false);
}
var table = task.Element("table");
if (table == null)
{
throw new XMLValidationException("XML file has no element <table> in <task> section");
}
var rows = table.Descendants("row").ToArray();
if (rows.Length != DataTable.Count - 1)
{
throw new XMLValidationException("Element <table> doesn't match selected task table");
}
foreach (var row in rows)
{
var cells = row.Descendants("cell");
if (cells.Count() != DataTable.First().Count)
{
throw new XMLValidationException("Element <table> doesn't match selected task table");
}
foreach (var cell in cells)
{
if (cell.Attribute("value") == null)
{
throw new XMLValidationException("Element <cell> has no attribute 'value'");
}
}
}
#endregion
for (int i = 0; i < rows.Length; i++)
{
var cells = rows[i].Descendants("cell").ToArray();
for (int j = 0; j < cells.Length; j++)
{
DataTable[i + 1][j].Text = cells[j].Attribute("value").Value;
}
}
return(true);
}