private void openMenuItem_Click(object sender, EventArgs e)
{
//Open Menu & check condition
if (dataModified)
{
// Offer to save drawing & display dialog
DialogResult dialogResult = MessageBox.Show("Do you want to save changes?", "Form1", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
switch (dialogResult)
{
case DialogResult.Yes: writeFile(currentFile);
break;
case DialogResult.No: reset();
this.CreateGraphics().Clear(Form1.ActiveForm.BackColor);
break;
case DialogResult.Cancel: return;
}
}
//open dialog
String line = null;
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Text files(*.txt)|*.txt|Binary Files(*.bin)|*.bin|Serialized files(*.ser)|*.ser|XML files(*.xml)|*.xml|All files(*.*)|*.*";
dlg.InitialDirectory = Directory.GetCurrentDirectory();
if (dlg.ShowDialog() == DialogResult.Cancel)
return;
reset();
this.CreateGraphics().Clear(Form1.ActiveForm.BackColor);
if (dlg.ShowDialog() == DialogResult.OK)
{
currentFile = dlg.FileName;
//FileStream fs = new FileStream(currentFile, FileMode.Open);
FileInfo fileInfo = new FileInfo(dlg.FileName);
Graphics graphics = this.CreateGraphics();
// check for text files & selecting the shape
if (fileInfo.Extension == ".txt")
{
FileStream fs = new FileStream(currentFile, FileMode.Open);
StreamReader sr = new StreamReader(fs);
while ((line = sr.ReadLine()) != null)
{
switch (line)
{
case "Line": currentShapeType = ShapeType.Line;
break;
case "Rect": currentShapeType = ShapeType.Rectangle;
break;
case "FreeLine": currentShapeType = ShapeType.FreeLine;
break;
case "Text": currentShapeType = ShapeType.Text;
break;
}
shape = Shape.CreateShape(currentShapeType);
shape.readText(sr);
shape.Draw(graphics);
shapeList.Add(shape);
}
sr.Close();
fs.Close();
}
// Check for bin files & selecting encoding
else if (fileInfo.Extension == ".bin")
{
FileStream fs = new FileStream(currentFile, FileMode.Open);
BinaryReader br = new BinaryReader(fs);
switch (br.ReadString())
{
case "us-ascii":
Shape.TextEncodingType = Encoding.ASCII;
break;
case "utf-8":
Shape.TextEncodingType = Encoding.UTF8;
break;
case "u\0t\0f\0-\01\06\0":
Shape.TextEncodingType = Encoding.Unicode;
break;
case "u\0\0\0t\0\0\0f\0\0\0-\0\0\03\0\0\02\0\0\0":
Shape.TextEncodingType = Encoding.UTF32;
break;
case "\0u\0n\0i\0c\0o\0d\0e\0F\0F\0F\0E":
Shape.TextEncodingType = Encoding.BigEndianUnicode;
break;
case "utf-7":
Shape.TextEncodingType = Encoding.UTF7;
break;
}
br = new BinaryReader(fs, Shape.TextEncodingType);
int length = (int)br.BaseStream.Length;
MessageBox.Show(length.ToString());
while (br.PeekChar() != -1)
{
// Selecting shape for bin file & recreating the figures
switch (br.ReadString())
{
case "Line":
currentShapeType = ShapeType.Line;
shape = Shape.CreateShape(currentShapeType);
shape.readBinary(br);
shape.Draw(graphics);
shapeList.Add(shape);
break;
case "Rect":
currentShapeType = ShapeType.Rectangle;
shape = Shape.CreateShape(currentShapeType);
shape.readBinary(br);
shape.Draw(graphics);
shapeList.Add(shape);
break;
case "FreeLine":
currentShapeType = ShapeType.FreeLine;
shape = Shape.CreateShape(currentShapeType);
shape.readBinary(br);
shape.Draw(graphics);
shapeList.Add(shape);
break;
case "Text":
currentShapeType = ShapeType.Text;
shape = Shape.CreateShape(currentShapeType);
shape.readBinary(br);
shape.Draw(graphics);
shapeList.Add(shape);
break;
}
}
fs.Close();
}
else if (fileInfo.Extension == ".ser")
{
FileStream fs = new FileStream(currentFile, FileMode.Open);
BinaryFormatter bf = new BinaryFormatter();
shapeList = (List<Shape>)bf.Deserialize(fs);
foreach (Shape shape in shapeList)
shape.Draw(graphics);
fs.Close();
}//end ser
else if (fileInfo.Extension == ".xml")
{
XDocument document = XDocument.Load(currentFile);
XElement root = document.Root;
foreach (XElement xe in root.Elements())
{
switch (xe.Name.ToString())
{
case "Line": currentShapeType = ShapeType.Line;
break;
case "Rect": currentShapeType = ShapeType.Rectangle;
break;
case "FreeLine": currentShapeType = ShapeType.FreeLine;
break;
case "Text": currentShapeType = ShapeType.Text;
break;
}
shape = Shape.CreateShape(currentShapeType);
foreach (XElement xee in xe.Elements())
{
shape.readXmlElement(xee);
}
shape.Draw(graphics);
shapeList.Add(shape);
//fs1.Close();
}// End xml
}
}
}
private void openMenuItem_Click(object sender, EventArgs e)
{
//Open Menu & check condition
if (dataModified)
{
// Offer to save drawing & display dialog
DialogResult dialogResult = MessageBox.Show("Do you want to save changes?", "Form1", MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
switch (dialogResult)
{
case DialogResult.Yes: writeFile(currentFile);
break;
case DialogResult.No: reset();
this.CreateGraphics().Clear(Form1.ActiveForm.BackColor);
break;
case DialogResult.Cancel: return;
}
}
//open dialog
String line = null;
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "Text files(*.txt)|*.txt|Binary Files(*.bin)|*.bin|Serialized files(*.ser)|*.ser|XML files(*.xml)|*.xml|All files(*.*)|*.*";
dlg.InitialDirectory = Directory.GetCurrentDirectory();
if (dlg.ShowDialog() == DialogResult.Cancel)
{
return;
}
reset();
this.CreateGraphics().Clear(Form1.ActiveForm.BackColor);
if (dlg.ShowDialog() == DialogResult.OK)
{
currentFile = dlg.FileName;
//FileStream fs = new FileStream(currentFile, FileMode.Open);
FileInfo fileInfo = new FileInfo(dlg.FileName);
Graphics graphics = this.CreateGraphics();
// check for text files & selecting the shape
if (fileInfo.Extension == ".txt")
{
FileStream fs = new FileStream(currentFile, FileMode.Open);
StreamReader sr = new StreamReader(fs);
while ((line = sr.ReadLine()) != null)
{
switch (line)
{
case "Line": currentShapeType = ShapeType.Line;
break;
case "Rect": currentShapeType = ShapeType.Rectangle;
break;
case "FreeLine": currentShapeType = ShapeType.FreeLine;
break;
case "Text": currentShapeType = ShapeType.Text;
break;
}
shape = Shape.CreateShape(currentShapeType);
shape.readText(sr);
shape.Draw(graphics);
shapeList.Add(shape);
}
sr.Close();
fs.Close();
}
// Check for bin files & selecting encoding
else if (fileInfo.Extension == ".bin")
{
FileStream fs = new FileStream(currentFile, FileMode.Open);
BinaryReader br = new BinaryReader(fs);
switch (br.ReadString())
{
case "us-ascii":
Shape.TextEncodingType = Encoding.ASCII;
break;
case "utf-8":
Shape.TextEncodingType = Encoding.UTF8;
break;
case "u\0t\0f\0-\01\06\0":
Shape.TextEncodingType = Encoding.Unicode;
break;
case "u\0\0\0t\0\0\0f\0\0\0-\0\0\03\0\0\02\0\0\0":
Shape.TextEncodingType = Encoding.UTF32;
break;
case "\0u\0n\0i\0c\0o\0d\0e\0F\0F\0F\0E":
Shape.TextEncodingType = Encoding.BigEndianUnicode;
break;
case "utf-7":
Shape.TextEncodingType = Encoding.UTF7;
break;
}
br = new BinaryReader(fs, Shape.TextEncodingType);
int length = (int)br.BaseStream.Length;
MessageBox.Show(length.ToString());
while (br.PeekChar() != -1)
{
// Selecting shape for bin file & recreating the figures
switch (br.ReadString())
{
case "Line":
currentShapeType = ShapeType.Line;
shape = Shape.CreateShape(currentShapeType);
shape.readBinary(br);
shape.Draw(graphics);
shapeList.Add(shape);
break;
case "Rect":
currentShapeType = ShapeType.Rectangle;
shape = Shape.CreateShape(currentShapeType);
shape.readBinary(br);
shape.Draw(graphics);
shapeList.Add(shape);
break;
case "FreeLine":
currentShapeType = ShapeType.FreeLine;
shape = Shape.CreateShape(currentShapeType);
shape.readBinary(br);
shape.Draw(graphics);
shapeList.Add(shape);
break;
case "Text":
currentShapeType = ShapeType.Text;
shape = Shape.CreateShape(currentShapeType);
shape.readBinary(br);
shape.Draw(graphics);
shapeList.Add(shape);
break;
}
}
fs.Close();
}
else if (fileInfo.Extension == ".ser")
{
FileStream fs = new FileStream(currentFile, FileMode.Open);
BinaryFormatter bf = new BinaryFormatter();
shapeList = (List <Shape>)bf.Deserialize(fs);
foreach (Shape shape in shapeList)
{
shape.Draw(graphics);
}
fs.Close();
}//end ser
else if (fileInfo.Extension == ".xml")
{
XDocument document = XDocument.Load(currentFile);
XElement root = document.Root;
foreach (XElement xe in root.Elements())
{
switch (xe.Name.ToString())
{
case "Line": currentShapeType = ShapeType.Line;
break;
case "Rect": currentShapeType = ShapeType.Rectangle;
break;
case "FreeLine": currentShapeType = ShapeType.FreeLine;
break;
case "Text": currentShapeType = ShapeType.Text;
break;
}
shape = Shape.CreateShape(currentShapeType);
foreach (XElement xee in xe.Elements())
{
shape.readXmlElement(xee);
}
shape.Draw(graphics);
shapeList.Add(shape);
//fs1.Close();
}// End xml
}
}
}