void Initialize()
{
myNoteConfiguraiton = new ApplicationConfiguration();
xmlInteraction = new XMLInteraction(myNoteConfiguraiton);
if (null != xmlInteraction && Common.DesktopApplicaiton)
{
Sync.CheckSyncRequired(myNoteConfiguraiton.SyncFile, ref xmlInteraction);
}
UpdateTreeView();
if (treeView1.Nodes.Count > 0)
{
string title;
string note;
string lastUpdated;
if (xmlInteraction.GetNodeDetails(treeView1.Nodes[0].Name, out title, out note, out lastUpdated))
{
noteForm = new NoteForm(treeView1.Nodes[0].Name, title, note, lastUpdated);
}
else
{
noteForm = new NoteForm();
}
}
else
{
CreateNote();
}
ShowNoteForm();
}
public ApplicationConfiguration()
{
if (!File.Exists(Common.MyNoteAppConfigFile))
{
XMLInteraction.CreateNoteFile(Common.MyNoteAppConfigFile, Common.DefaultConfigString);
}
ReadConfigFile();
}
public static void CheckSyncRequired(string file, ref XMLInteraction xmlInteraction)
{
string filePath = Path.GetFullPath(file);
string fileName = Path.GetFileName(filePath);
filePath = Path.GetDirectoryName(filePath);
// Create a new FileSystemWatcher and set its properties.
FileSystemWatcher watcher = new FileSystemWatcher();
watcher.Path = filePath;
watcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite;
watcher.Filter = fileName;
watcher.Changed += new FileSystemEventHandler(xmlInteraction.OnlineChangesObserved);
watcher.EnableRaisingEvents = true;
}
// Sync with another file
public void syncWithCloud()
{
while (true)
{
try
{
bool needSync = false;
//sleep till sync interval specified
for (int i = 0; i < AppConf.SyncInteval; i++)
{
Thread.Sleep(1000);
lock (thisOnlineSyncLock)
{
//If user requested for force update quit sleep and sync
if (ForceSyncRequired)
{
needSync = true;
break;
}
}
}
if (!needSync)
{
// check sync required
lock (thisOnlineSyncLock)
{
if (OnlineSyncRequired)
{
needSync = true;
}
}
}
if (needSync)
{
Logger.GetInstance.LogMessage(System.Reflection.MethodBase.GetCurrentMethod().Name, "Performing sync");
if (File.Exists(AppConf.SyncFile))
{
//lock the object such that no updates made to xml
lock (thisXMLLock)
{
using (Mutex mutex = new Mutex(false, AppConf.SyncFile))
{
if (!mutex.WaitOne(0, true))
{
Logger.GetInstance.LogMessage(System.Reflection.MethodBase.GetCurrentMethod().Name,
"Couldn't aquire sync file lock. Sync delayed till next cycle.");
}
else
{
XMLInteraction syncXMLInteraction = new XMLInteraction(AppConf.SyncFile);
//check for common note changes and local changes
foreach (XmlElement changeElement in xmlTrackChangesNode)
{
bool useLocalToCloud = true;
XmlElement changeElementInClound = syncXMLInteraction.xmlTrackChangesNode[changeElement.Name];
if (null != changeElementInClound)
{
DateTime localTime, cloudTime;
DateTime.TryParse(changeElement.GetAttribute(Common.XmlTimeNodeString), out localTime);
DateTime.TryParse(changeElementInClound.GetAttribute(Common.XmlTimeNodeString), out cloudTime);
if (DateTime.Compare(localTime, cloudTime) < 0)
{
useLocalToCloud = false;
}
else
{
syncXMLInteraction.xmlTrackChangesNode.RemoveChild(changeElementInClound);
}
}
if (useLocalToCloud)
{
Operation op;
Enum.TryParse <Operation>(changeElement.GetAttribute(Common.XmlOperationNodeString), out op);
XmlNode tempNode = xmlNotesNode[changeElement.Name];
DateTime tempDateTime;
DateTime.TryParse(tempNode[Common.XmlLastUpdatedNodeString].InnerText, out tempDateTime);
Note tempNote = new Note(op, changeElement.Name, tempDateTime,
tempNode[Common.XmlTitleNodeString].InnerText,
tempNode[Common.XmlNoteNodeString].InnerText
);
syncXMLInteraction.PushChangesToXML(tempNote, false);
}
else
{
Operation op;
Enum.TryParse <Operation>(changeElementInClound.GetAttribute(Common.XmlOperationNodeString), out op);
XmlNode tempNode = syncXMLInteraction.xmlNotesNode[changeElementInClound.Name];
DateTime tempDateTime;
DateTime.TryParse(tempNode[Common.XmlLastUpdatedNodeString].InnerText, out tempDateTime);
Note tempNote = new Note(op, changeElement.Name, tempDateTime,
tempNode[Common.XmlTitleNodeString].InnerText,
tempNode[Common.XmlNoteNodeString].InnerText
);
PushChangesToXML(tempNote, false);
}
}
xmlTrackChangesNode.RemoveAll();
//retrive could changes and sync
foreach (XmlElement changeElementInClound in syncXMLInteraction.xmlTrackChangesNode)
{
Operation op;
Enum.TryParse <Operation>(changeElementInClound.GetAttribute(Common.XmlOperationNodeString), out op);
XmlNode tempNode = syncXMLInteraction.xmlNotesNode[changeElementInClound.Name];
DateTime tempDateTime;
DateTime.TryParse(tempNode[Common.XmlLastUpdatedNodeString].InnerText, out tempDateTime);
Note tempNote = new Note(op, changeElementInClound.Name, tempDateTime,
tempNode[Common.XmlTitleNodeString].InnerText,
tempNode[Common.XmlNoteNodeString].InnerText
);
PushChangesToXML(tempNote, false);
}
syncXMLInteraction.xmlTrackChangesNode.RemoveAll();
//save xml files
SaveXML();
syncXMLInteraction.SaveXML();
}
mutex.ReleaseMutex();
}
}
//reset sync variables
lock (thisOnlineSyncLock)
{
ForceSyncRequired = false;
OnlineSyncRequired = false;
}
}
}
}
catch (Exception ex)
{
Logger.GetInstance.LogMessage(System.Reflection.MethodBase.GetCurrentMethod().Name, ex.Data.ToString());
}
}
}