private void OnMainFileOpenMenuClicked(object sender, RoutedEventArgs e)
{
Microsoft.Win32.OpenFileDialog dialog = new Microsoft.Win32.OpenFileDialog();
dialog.Filter = FilterTxt + "|" +
FilterJson + "|" +
FilterXml + "|" +
FilterSoap + "|" +
FilterBinary + "|" +
FilterAny;
dialog.FilterIndex = 1;
bool?dialogResult = dialog.ShowDialog();
if (dialogResult == true)
{
string filePath = dialog.FileName;
if (System.IO.File.Exists(filePath))
{
string content = System.IO.File.ReadAllText(filePath);
// determine which format the user want to save as
if (dialog.FilterIndex == 1)
{
// read as txt
System.IO.StringReader reader = new System.IO.StringReader(content);
string line = reader.ReadLine();
System.DateTime lastSaved;
if (System.DateTime.TryParse(line, out lastSaved))
{
// we read the line, so remove the line
line = string.Empty;
}
else
{
lastSaved = System.DateTime.Now;
}
content = line + reader.ReadToEnd();
Models.TodoTask document = new Models.TodoTask(content);
document.LastSaved = lastSaved;
content = document.Content;
reader.Dispose();
}
else if (dialog.FilterIndex == 2)
{
// read as JSON
string json = content;
// deserialize to expected type (Models.Document)
object jsonObject = Newtonsoft.Json
.JsonConvert
.DeserializeObject(json, typeof(Models.TodoTask));
// cast and assign JSON object to expected type (Models.Document)
Models.TodoTask document = (Models.TodoTask)jsonObject;
// assign content from deserialized Models.Document
content = document.Content;
}
else if (dialog.FilterIndex == 3)
{
// read as XML for type of Models.Document
System.Xml.Serialization.XmlSerializer serializer =
new System.Xml.Serialization.XmlSerializer(typeof(Models.TodoTask));
// convert content to byte array (sequence of bytes)
byte[] buffer = System.Text.Encoding.ASCII.GetBytes(content);
// make stream from buffer
System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer);
// deserialize stream to an object
object xmlObject = serializer.Deserialize(stream);
// cast and assign XML object to actual type object
Models.TodoTask document = (Models.TodoTask)xmlObject;
content = document.Content;
stream.Dispose(); // release the resources
}
else if (dialog.FilterIndex == 4)
{
// read as soap
System.Runtime.Serialization.Formatters.Soap.SoapFormatter serializer =
new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
// convert content to byte array (sequence of bytes)
byte[] buffer = System.Text.Encoding.ASCII.GetBytes(content);
// make stream from buffer
System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer);
// deserialize stream to an object
object soapObject = serializer.Deserialize(stream);
// cast and assign SOAP object to actual type object
Models.TodoTask document = (Models.TodoTask)soapObject;
// read content
content = document.Content;
stream.Dispose(); // release the resources
}
else if (dialog.FilterIndex == 5)
{
// read as binary
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter serializer =
new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
// reading and writing binary data directly as string has issues, try not to do it
byte[] buffer = Convert.FromBase64String(content);
System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer);
// deserialize stream to object
object binaryObject = serializer.Deserialize(stream);
// assign binary object to actual type object
Models.TodoTask document = (Models.TodoTask)binaryObject;
// read the content
content = document.Content;
stream.Dispose(); // release the resources
}
else // imply this is any file
{
// read as is
}
// assign content to UI control
TodoTaskNameText.Text = content;
}
}
}
private void OnMainFileSaveMenuClicked(object sender, RoutedEventArgs e)
{
Microsoft.Win32.SaveFileDialog dialog = new Microsoft.Win32.SaveFileDialog();
dialog.Filter = FilterTxt + "|" +
FilterJson + "|" +
FilterXml + "|" +
FilterSoap + "|" +
FilterBinary;
dialog.FilterIndex = 1;
bool?dialogResult = dialog.ShowDialog();
if (dialogResult == true)
{
string filePath = dialog.FileName;
if (System.IO.File.Exists(filePath))
{
System.IO.File.Delete(filePath);
}
// get content from UI control
string content = string.Empty;
// determine which format the user want to save as
if (dialog.FilterIndex == 1)
{
// write as txt
System.IO.StringWriter writer = new System.IO.StringWriter();
writer.WriteLine(DateTime.Now); // write last saved
writer.Write(content); // write content
content = writer.ToString(); // assign assembled content
writer.Dispose(); // release writer
}
else if (dialog.FilterIndex == 2)
{
// write as JSON
// create object to serialize
Models.TodoTask document = new Models.TodoTask(content);
// serialize type (Models.Document) to JSON string
string json = Newtonsoft
.Json
.JsonConvert
.SerializeObject(document);
// set content to JSON result
content = json; // assign JSON string to content
}
else if (dialog.FilterIndex == 3)
{
// write as XML
// create object to serialize
Models.TodoTask document = new Models.TodoTask(content);
// create serializer
System.Xml.Serialization.XmlSerializer serializer =
new System.Xml.Serialization.XmlSerializer(typeof(Models.TodoTask));
// this serializer writes to a stream
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, document);
stream.Seek(0, System.IO.SeekOrigin.Begin); // reset stream to start
// read content from stream
System.IO.StreamReader reader = new System.IO.StreamReader(stream);
content = reader.ReadToEnd(); // assign XML string to content
reader.Dispose(); // dispose the reader
stream.Dispose(); // dispose the stream
}
else if (dialog.FilterIndex == 4)
{
// write as SOAP
// note: have to add a reference to a global assembly (dll) to use in project
// create object to serialize
Models.TodoTask document = new Models.TodoTask(content);
// create serializer
System.Runtime.Serialization.Formatters.Soap.SoapFormatter serializer =
new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
// this serializer writes to a stream
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, document);
stream.Seek(0, System.IO.SeekOrigin.Begin); // reset stream to start
// read content from stream
System.IO.StreamReader reader = new System.IO.StreamReader(stream);
content = reader.ReadToEnd(); // assign SOAP string to content
reader.Dispose(); // dispose the reader
stream.Dispose(); // dispose the stream
}
else // implies this is last one (binary)
{
// write as binary
// create object to serialize
Models.TodoTask document = new Models.TodoTask(content);
// create serializer
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter serializer =
new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
// this serializer writes to a stream
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, document);
stream.Seek(0, System.IO.SeekOrigin.Begin); // reset stream to start
// reading and writing binary data directly as string has issues, try not to do it
content = Convert.ToBase64String(stream.ToArray()); // assign base64 to content
stream.Dispose(); // dispose the stream
}
// write content to file
System.IO.File.WriteAllText(filePath, content);
}
}
private void FileSave_Click(object sender, RoutedEventArgs e)
{
Microsoft.Win32.SaveFileDialog dialog = new Microsoft.Win32.SaveFileDialog();
dialog.Filter = FilterTxt + "|" +
FilterJson + "|" +
FilterXml + "|" +
FilterSoap + "|" +
FilterBinary;
dialog.FilterIndex = 1;
bool?dialogResult = dialog.ShowDialog();
if (dialogResult == true)
{
string filePath = dialog.FileName;
if (System.IO.File.Exists(filePath))
{
System.IO.File.Delete(filePath);
}
// get content from UI control
string content = "";
// determine which format the user want to save as
if (dialog.FilterIndex == 1)
{
// write as txt
System.IO.StringWriter writer = new System.IO.StringWriter();
List <TodoTask> items = new List <TodoTask>();
foreach (var item in this.TodoTaskListView.Items)
{
items.Add(item as TodoTask);
}
foreach (var item in items)
{
writer.WriteLine(item.Description);
}
/* writer.WriteLine(DateTime.Now); // write last saved
* writer.Write(content); // write content */
content = writer.ToString(); // assign assembled content
writer.Dispose(); // release writer
}
else if (dialog.FilterIndex == 2)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
System.Collections.ArrayList list = new System.Collections.ArrayList();
ItemCollection items = this.TodoTaskListView.Items;
foreach (var item in this.TodoTaskListView.Items)
{
items.Add(item as TodoTask);
}
// write as JSON
// create object to serialize
foreach (var item in items)
{
TodoTask todoTask = item as TodoTask;
list.Add(todoTask);
}
Models.TodoTask document = new Models.TodoTask(content);
// serialize type (Models.Document) to JSON string
string json = Newtonsoft
.Json
.JsonConvert
.SerializeObject(document);
// set content to JSON result
content = json; // assign JSON string to content
}
else if (dialog.FilterIndex == 3)
{
// write as XML
// create object to serialize
List <TodoTask> list = new List <TodoTask>();
ItemCollection items = this.TodoTaskListView.Items;
foreach (var item in items)
{
TodoTask todoTask = item as TodoTask;
list.Add(todoTask);
}
// create serializer
System.Xml.Serialization.XmlSerializer serializer =
new System.Xml.Serialization.XmlSerializer(typeof(List <ToDoApp.Wpf.Models.TodoTask>));
// this serializer writes to a stream
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, list);
stream.Seek(0, System.IO.SeekOrigin.Begin); // reset stream to start
// read content from stream
System.IO.StreamReader reader = new System.IO.StreamReader(stream);
content = reader.ReadToEnd(); // assign XML string to content
reader.Dispose(); // dispose the reader
stream.Dispose(); // dispose the stream
}
else if (dialog.FilterIndex == 4)
{
// write as SOAP
// note: have to add a reference to a global assembly (dll) to use in project
//create object to serialize
// todo
System.Collections.ArrayList list = new System.Collections.ArrayList();
ItemCollection items = this.TodoTaskListView.Items;
foreach (var item in items)
{
TodoTask todoTask = item as TodoTask;
list.Add(todoTask);
}
// create serializer
System.Runtime.Serialization.Formatters.Soap.SoapFormatter serializer =
new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
// this serializer writes to a stream
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, list);
stream.Seek(0, System.IO.SeekOrigin.Begin); // reset stream to start
// read content from stream
System.IO.StreamReader reader = new System.IO.StreamReader(stream);
content = reader.ReadToEnd(); // assign SOAP string to content
reader.Dispose(); // dispose the reader
stream.Dispose(); // dispose the stream
}
else // implies this is last one (binary)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
List <TodoTask> items = new List <TodoTask>();
foreach (var item in this.TodoTaskListView.Items)
{
items.Add(item as TodoTask);
}
foreach (var item in items)
{
writer.WriteLine(item.Description);
}
// write as binary
// create object to serialize
Models.TodoTask document = new Models.TodoTask(content);
// create serializer
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter serializer =
new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
// this serializer writes to a stream
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, document);
stream.Seek(0, System.IO.SeekOrigin.Begin); // reset stream to start
// reading and writing binary data directly as string has issues, try not to do it
content = Convert.ToBase64String(stream.ToArray()); // assign base64 to content
stream.Dispose(); // dispose the stream
}
// write content to file
System.IO.File.WriteAllText(filePath, content);
/* string path = "output.txt";
* if (System.IO.File.Exists(path))
* {
* File.Delete(path); //deletes the old file, creating a new list
*
* System.IO.FileStream fileStream = System.IO.File.Open(
* path,
* System.IO.FileMode.Append,
* System.IO.FileAccess.Write,
* System.IO.FileShare.None);
* System.IO.StreamWriter writer = new System.IO.StreamWriter(fileStream);
*
* foreach (var item in TodoTaskListView.Items)
* {
* TodoTask listitem = item as TodoTask;
* writer.WriteLine(listitem.Description);
* }
*
* writer.Close();
* fileStream.Close();
* }
* else
* {
* System.IO.StreamWriter writer = new System.IO.StreamWriter(path);
*
* foreach (var item in TodoTaskListView.Items)
* {
* TodoTask listitem = item as TodoTask;
* writer.WriteLine(listitem.Description);
* //
* }
*
* writer.Close();
* }*/
}
}
private void OnMainFileSaveAsMenuClicked(object sender, RoutedEventArgs e)
{
Microsoft.Win32.SaveFileDialog dialog = new Microsoft.Win32.SaveFileDialog();
dialog.Filter = FilterTxt + "|" +
FilterJson + "|" +
FilterXml + "|" +
FilterSoap + "|" +
FilterBinary;
dialog.FilterIndex = 1;
bool?dialogResult = dialog.ShowDialog();
if (dialogResult == true)
{
string filePath = dialog.FileName;
if (System.IO.File.Exists(filePath))
{
System.IO.File.Delete(filePath);
}
string content = "";
List <TodoTask> items = new List <TodoTask>();
ViewModels.MainWindowViewModel viewModel = (this.DataContext as ViewModels.MainWindowViewModel);
foreach (var todoTaskViewModel in viewModel.TodoTaskItems)
{
Models.TodoTask item = new Models.TodoTask();
item.Description = todoTaskViewModel.Description;
// todo: all properties
item.DueBy = todoTaskViewModel.DueBy;
item.IsCompleted = todoTaskViewModel.IsCompleted;
item.CompletedOn = todoTaskViewModel.CompletedOn;
items.Add(item);
}
if (dialog.FilterIndex == 1)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
content = writer.ToString();
writer.Dispose();
}
else if (dialog.FilterIndex == 2)
{
string json = Newtonsoft
.Json
.JsonConvert
.SerializeObject(items);
content = json;
}
else if (dialog.FilterIndex == 3)
{
System.Xml.Serialization.XmlSerializer serializer =
new System.Xml.Serialization.XmlSerializer(typeof(List <TodoTask>));
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, items);
stream.Seek(0, System.IO.SeekOrigin.Begin);
System.IO.StreamReader reader = new System.IO.StreamReader(stream);
content = reader.ReadToEnd();
reader.Dispose();
stream.Dispose();
}
else if (dialog.FilterIndex == 4)
{
//System.Runtime.Serialization.Formatters.Soap.SoapFormatter serializer =
// new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
//System.IO.MemoryStream stream = new System.IO.MemoryStream();
//serializer.Serialize(stream, document);
//stream.Seek(0, System.IO.SeekOrigin.Begin);
//System.IO.StreamReader reader = new System.IO.StreamReader(stream);
//content = reader.ReadToEnd();
//reader.Dispose();
//stream.Dispose();
}
else
{
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter serializer =
new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
System.IO.MemoryStream stream = new System.IO.MemoryStream();
serializer.Serialize(stream, items);
stream.Seek(0, System.IO.SeekOrigin.Begin);
content = Convert.ToBase64String(stream.ToArray());
stream.Dispose();
}
System.IO.File.WriteAllText(filePath, content);
}
}
private void FileOpen_Click(object sender, RoutedEventArgs e)
{
//old code that worked with defaul file path
//string path = "output.txt";
Microsoft.Win32.OpenFileDialog dialog = new Microsoft.Win32.OpenFileDialog();
dialog.Filter = FilterTxt + "|" +
FilterJson + "|" +
FilterXml + "|" +
FilterSoap + "|" +
FilterBinary;
dialog.FilterIndex = 1;
bool?dialogResult = dialog.ShowDialog();
if (dialogResult == true)
{
string filePath = dialog.FileName;
if (System.IO.File.Exists(filePath))
{
string content = string.Empty;
if (dialog.FilterIndex == 1)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
ItemCollection items = this.TodoTaskListView.Items;
foreach (var item in items)
{
TodoTask todoTask = item as TodoTask;
writer.Write(todoTask.LastSaved);
writer.Write(todoTask.IsComplete);
writer.Write(todoTask.Description);
}
content = writer.ToString();
writer.Dispose();
}
else if (dialog.FilterIndex == 2)
{
// read as JSON
string json = content;
// deserialize to expected type (Models.Document)
object jsonObject = Newtonsoft.Json
.JsonConvert
.DeserializeObject(json, typeof(Models.TodoTask));
// cast and assign JSON object to expected type (Models.Document)
Models.TodoTask items = (Models.TodoTask)jsonObject;
// assign content from deserialized Models.Document
content = items.Content;
}
else if (dialog.FilterIndex == 3)
{
// read as XML for type of Models.Document
System.Xml.Serialization.XmlSerializer serializer =
new System.Xml.Serialization.XmlSerializer(typeof(Models.TodoTask));
// convert content to byte array (sequence of bytes)
byte[] buffer = System.Text.Encoding.ASCII.GetBytes(content);
// make stream from buffer
System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer);
// deserialize stream to an object
#pragma warning disable CA5369 // Use XmlReader For Deserialize
object xmlObject = serializer.Deserialize(stream);
#pragma warning restore CA5369 // Use XmlReader For Deserialize
// cast and assign XML object to actual type object
Models.TodoTask items = (Models.TodoTask)xmlObject;
content = items.Content;
stream.Dispose(); // release the resources
}
else if (dialog.FilterIndex == 4)
{
// read as soap
System.Runtime.Serialization.Formatters.Soap.SoapFormatter serializer =
new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
// convert content to byte array (sequence of bytes)
byte[] buffer = System.Text.Encoding.ASCII.GetBytes(content);
// make stream from buffer
System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer);
// deserialize stream to an object
object soapObject = serializer.Deserialize(stream);
// cast and assign SOAP object to actual type object
Models.TodoTask document = (Models.TodoTask)soapObject;
// read content
content = document.Content;
stream.Dispose(); // release the resources
}
else if (dialog.FilterIndex == 5)
{
// read as binary
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter serializer =
new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
// reading and writing binary data directly as string has issues, try not to do it
byte[] buffer = Convert.FromBase64String(content);
System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer);
// deserialize stream to object
object binaryObject = serializer.Deserialize(stream);
// assign binary object to actual type object
Models.TodoTask items = (Models.TodoTask)binaryObject;
// read the content
content = items.Content;
stream.Dispose(); // release the resources
}
else // imply this is any file
{
// read as is
}
// assign content to UI control
// ~~~~~~~ UserText.Text = content; ~~~~~~~~~~~~~~~~~~~
//old code that worked with defaul file path
/*if (System.IO.File.Exists(path))
* {
* System.IO.FileStream fileStream = System.IO.File.Open(
* path,
* System.IO.FileMode.Open,
* System.IO.FileAccess.Read,
* System.IO.FileShare.None);
* System.IO.StreamReader reader = new System.IO.StreamReader(fileStream);
* while (reader.EndOfStream == false)
* {
* string line = reader.ReadLine();
* TodoTask item = new TodoTask();
* item.Description = line;
* TodoTaskListView.Items.Add(item);
* }
* reader.Close();
* fileStream.Close();
* }*/
//below is part of the save file code
/*System.IO.StringWriter writer = new System.IO.StringWriter();
* List<TodoTask> items = new List<TodoTask>();
* foreach (var item in this.TodoTaskListView.Items)
* {
* items.Add(item as TodoTask);
* }
*
* foreach (var item in items)
* {
* writer.WriteLine(item.Description);
* }*/
}
}
}