public static void UpdateExisting(ExerciseObject currentItem)
{
//Read DB File
XmlSerializer serializer = new XmlSerializer(typeof(List <ExerciseObject>));
FileStream fs = new FileStream("myExercises.xml", FileMode.Open);
// Declare an object variable of the type to be deserialized.
List <ExerciseObject> data = new List <ExerciseObject>();
/* Use the Deserialize method to restore the object's state with
* data from the XML document. */
data = (List <ExerciseObject>)serializer.Deserialize(fs);
fs.Close();
foreach (ExerciseObject thingie in data)
{
if (thingie.NameOfExercise.Equals(currentItem.NameOfExercise))
{
thingie.Tempo = currentItem.Tempo;
thingie.Description = currentItem.Description;
}
}
//update db file
TextWriter writer = new StreamWriter("myExercises.xml");
serializer.Serialize(writer, data);
writer.Close();
}
public static ExerciseObject GetRandom()
{
XmlSerializer serializer = new XmlSerializer(typeof(List <ExerciseObject>));
FileStream fs = new FileStream("myExercises.xml", FileMode.Open);
// Declare an object variable of the type to be deserialized.
List <ExerciseObject> data = new List <ExerciseObject>();
/* Use the Deserialize method to restore the object's state with
* data from the XML document. */
data = (List <ExerciseObject>)serializer.Deserialize(fs);
fs.Close();
var rand = new Random();
int ranIndex = rand.Next(data.Count);
ExerciseObject toReturn = data.ElementAt(ranIndex);
return(toReturn);
}
public static void InsertObject(ExerciseObject obj)
{
XmlSerializer serializer = new XmlSerializer(typeof(List <ExerciseObject>));
bool dataExists = File.Exists("myExercises.xml");
// Declare an object variable of the type to be deserialized.
List <ExerciseObject> data = new List <ExerciseObject>();
if (dataExists)
{
// A FileStream is needed to read the XML document.
FileStream fs = new FileStream("myExercises.xml", FileMode.Open);
/* Use the Deserialize method to restore the object's state with
* data from the XML document. */
data = (List <ExerciseObject>)serializer.Deserialize(fs);
fs.Close();
}
data.Add(obj);
TextWriter writer = new StreamWriter("myExercises.xml");
serializer.Serialize(writer, data);
writer.Close();
}
private void button1_Click(object sender, EventArgs e)
{
ExerciseObject upNext = xmlMethods.GetRandom();
TempoBox.Text = upNext.Tempo;
DescBox.Text = upNext.Description;
NameBox.Text = upNext.NameOfExercise;
}
private void SNEButton_Click(object sender, EventArgs e)
{
ExerciseObject newExercise = new ExerciseObject();
newExercise.NameOfExercise = NameBox.Text;
newExercise.Description = DescBox.Text;
newExercise.Tempo = TempoBox.Text;
xmlMethods.InsertObject(newExercise);
}
private void button3_Click(object sender, EventArgs e)
{
ExerciseObject updated = new ExerciseObject();
updated.NameOfExercise = NameBox.Text;
updated.Tempo = TempoBox.Text;
updated.Description = DescBox.Text;
xmlMethods.UpdateExisting(updated);
}
