//Calls the server and ask for a document.
public void openFile(string nameOfFile)
{
if (hasLock == false)
{
try
{
if (nameOfFile != "")
{
//Network call.
openDocument = network.openFile(nameOfFile, myInfo);
//Clears the text box.
DocumentText.Document.Blocks.Clear();
//Appends the grabbed document.
DocumentText.AppendText(openDocument.FileContents);
//Sets current textbox string for the thread to send and recieve changes.
currentTextboxText = openDocument.FileContents;
//Unlocks the lock request and drop buttons.
lockRequest.IsEnabled = true;
releaseLock.IsEnabled = true;
}
}
catch (Exception err)
{
onDisconnect(err);
}
}
else
{
releaseLock_Click(null, null);
openFile(nameOfFile);
//System.Windows.MessageBox.Show("Please release the lock before opening a new file.", "Error");
}
}
public void changes()
{
while (true)
{
if (openDocument != null)
{
List <Patch> patches;
Dictionary <int, List <Patch> > returnedPatches;
Object[] temp;
while (true)
{
try
{
if (hasLock == true)
{
Thread.Sleep(1000);
//Copies the document Textbox
// TextRange range = new TextRange(DocumentText.Document.ContentStart, DocumentText.Document.ContentEnd);
string myText2 = currentTextboxText;
patches = diffMatch.patch_make(diffMatch.diff_main(openDocument.FileContents, myText2));
temp = diffMatch.patch_apply(patches, openDocument.FileContents);
openDocument.FileContents = temp[0].ToString();
network.sendDocChanges(openDocument.FileName, patches, myInfo);
openDocument.SaveID = network.getLastPatchID(openDocument.FileName) + 1;
}
else
{
Thread.Sleep(1000);
returnedPatches = network.getDocChanges(openDocument.FileName, myInfo, openDocument.SaveID);
if (returnedPatches.Count > 0)
{
foreach (List <Patch> item in returnedPatches.Values)
{
temp = diffMatch.patch_apply(item, openDocument.FileContents);
openDocument.FileContents = temp[0].ToString();
this.Dispatcher.Invoke(new Action(() => { DocumentText.Document.Blocks.Clear(); DocumentText.AppendText(openDocument.FileContents); }));
}
openDocument.SaveID = returnedPatches.Last().Key + 1;
}
}
}
catch (Exception)
{
//MessageBoxResult result = System.Windows.MessageBox.Show("Error: Connection to the server was lost. Would you like to reconnect?", "Error", MessageBoxButton.YesNo);
//if (result == MessageBoxResult.No)
//{
// this.Close();
// Environment.Exit(1);
//}
}
}
}
}
}
