private void PhoneApplicationPage_LayoutUpdated(object sender, EventArgs e)
{
try
{
if (bFocused && (null != focusedElement))
{
bFocused = false;
focusedElement.Focus();
focusedElement = null;
}
}
catch (Exception ex)
{
//Trace the exception for debug purposes
Utils.Trace(String.Format("Exception = {0}.", ex.GetType()) + "\n");
}
TravelReportInfo travelReportInfo = ((App.Current.RootVisual as PhoneApplicationFrame).DataContext as TravelReportInfo);
txtFromDate.Value = travelReportInfo.FirstDay;
bFromDateChangedNavigateTo = false;
txtToDate.Value = travelReportInfo.LastDay;
bToDateChangedNavigateTo = false;
}
// Code to execute when the application is activated (brought to foreground)
// This code will not execute when the application is first launched
private void Application_Activated(object sender, ActivatedEventArgs e)
{
//Trace the event for debug purposes
Utils.Trace("Application Activated");
//Create new data object variable
TravelReportInfo travelReportInfo = null;
//Try to locate previous data in transient state of the application
if (PhoneApplicationService.Current.State.ContainsKey("UnsavedTravelReportInfo"))
{
//If found, initialize the data variable and remove in from application's state
travelReportInfo = PhoneApplicationService.Current.State["UnsavedTravelReportInfo"] as TravelReportInfo;
PhoneApplicationService.Current.State.Remove("UnsavedTravelReportInfo");
}
//If found set it as a DataContext for all the pages of the application
//An application is not guaranteed to be activated after it has been tombstoned,
//thus if not found create new data object
if (null != travelReportInfo)
{
RootFrame.DataContext = travelReportInfo;
}
else
{
RootFrame.DataContext = new TravelReportInfo();
}
}
private void txtFromDate_ValueChanged(object sender, DateTimeValueChangedEventArgs e)
{
TravelReportInfo travelReportInfo = ((App.Current.RootVisual as PhoneApplicationFrame).DataContext as TravelReportInfo);
travelReportInfo.FirstDay = DateTime.Parse(txtFromDate.ValueString);
bFromDateChangedNavigateTo = true;
}
public static void ClearTravelReport(TravelReportInfo travelReportInfo)
{
travelReportInfo.Clear();
if (MessageBox.Show("Clear all saved reports also?", "Clead Data", MessageBoxButton.OKCancel) == MessageBoxResult.OK)
{
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
//Check if file exits
if (isf.FileExists("TravelReportInfo.dat"))
isf.DeleteFile("TravelReportInfo.dat");
}
}
}
public static void SaveTravelReport(TravelReportInfo travelReportInfo, string fileName, bool isExiting)
{
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
//If user choose to save, create a new file
using (IsolatedStorageFileStream fs = isf.CreateFile(fileName))
{
//and serialize data
XmlSerializer ser = new XmlSerializer(typeof(TravelReportInfo));
ser.Serialize(fs, travelReportInfo);
}
}
if (!isExiting)
MessageBox.Show("Travel report saved successfully", "Save Complete", MessageBoxButton.OK);
}
public static void ClearTravelReport(TravelReportInfo travelReportInfo)
{
if (MessageBox.Show("Clear all saved reports also?", "Clead Data", MessageBoxButton.OKCancel) == MessageBoxResult.OK)
{
travelReportInfo.Clear();
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
//Check if file exits
if (isf.FileExists("TravelReportInfo.dat"))
{
isf.DeleteFile("TravelReportInfo.dat");
}
}
}
}
public static void SaveTravelReport(TravelReportInfo travelReportInfo, string fileName, bool isExiting)
{
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
//If user choose to save, create a new file
using (IsolatedStorageFileStream fs = isf.CreateFile(fileName))
{
//and serialize data
XmlSerializer ser = new XmlSerializer(typeof(TravelReportInfo));
ser.Serialize(fs, travelReportInfo);
}
}
if (!isExiting)
{
MessageBox.Show("Travel report saved successfully", "Save Complete", MessageBoxButton.OK);
}
}
// Code to execute when the application is launching (eg, from Start)
// This code will not execute when the application is reactivated
private void Application_Launching(object sender, LaunchingEventArgs e)
{
//Trace the event for debug purposes
Utils.Trace("Application Launching");
//Create new data object variable
TravelReportInfo travelReportInfo = null;
//Try to load previously saved data from IsolatedStorage
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
//Check if file exits
if (isf.FileExists("TravelReportInfo.dat"))
{
using (IsolatedStorageFileStream fs = isf.OpenFile("TravelReportInfo.dat", System.IO.FileMode.Open))
{
//Read the file contents and try to deserialize it back to data object
XmlSerializer ser = new XmlSerializer(typeof(TravelReportInfo));
object obj = ser.Deserialize(fs);
//If successfully deserialized, initialize data object variable with it
if (null != obj && obj is TravelReportInfo)
{
travelReportInfo = obj as TravelReportInfo;
}
else
{
travelReportInfo = new TravelReportInfo();
}
}
}
else
{
//If previous data not found, create new instance
travelReportInfo = new TravelReportInfo();
}
}
//Set data variable (either recovered or new) as a DataContext for all the pages of the application
RootFrame.DataContext = travelReportInfo;
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
//Trace the event for debug purposes
Utils.Trace("Navigated To MainPage");
//Check if page state has saved focus and apply it back
if (State.ContainsKey("FocusedElement"))
{
Control focusedElement = this.FindName(State["FocusedElement"] as string) as Control;
if (null != focusedElement)
{
focusedElement.Focus();
}
}
TravelReportInfo travelReportInfo = ((App.Current.RootVisual as PhoneApplicationFrame).DataContext as TravelReportInfo);
if (State.ContainsKey("txtDestination"))
{
travelReportInfo.Destination = State["txtDestination"] as string;
}
if (State.ContainsKey("txtJustification"))
{
travelReportInfo.Justification = State["txtJustification"] as string;
}
if (State.ContainsKey("txtToDate"))
{
travelReportInfo.FirstDay = DateTime.Parse(State["txtToDate"] as string);
}
if (State.ContainsKey("txtFromDate"))
{
travelReportInfo.LastDay = DateTime.Parse(State["txtFromDate"] as string);
}
base.OnNavigatedTo(e);
}
// Code to execute when the application is launching (eg, from Start)
// This code will not execute when the application is reactivated
private void Application_Launching(object sender, LaunchingEventArgs e)
{
//Trace the event for debug purposes
Utils.Trace("Application Launching");
//Create new data object variable
TravelReportInfo travelReportInfo = null;
//Try to load previously saved data from IsolatedStorage
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
//Check if file exits
if (isf.FileExists("TravelReportInfo.dat"))
{
using (IsolatedStorageFileStream fs = isf.OpenFile("TravelReportInfo.dat", System.IO.FileMode.Open))
{
//Read the file contents and try to deserialize it back to data object
XmlSerializer ser = new XmlSerializer(typeof(TravelReportInfo));
object obj = ser.Deserialize(fs);
//If successfully deserialized, initialize data object variable with it
if (null != obj && obj is TravelReportInfo)
travelReportInfo = obj as TravelReportInfo;
else
travelReportInfo = new TravelReportInfo();
}
}
else
//If previous data not found, create new instance
travelReportInfo = new TravelReportInfo();
}
//Set data variable (either recovered or new) as a DataContext for all the pages of the application
RootFrame.DataContext = travelReportInfo;
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
//Trace the event for debug purposes
Utils.Trace("Navigated To MainPage");
//Check if page state has saved focus and apply it back
if (State.ContainsKey("FocusedElement"))
{
focusedElement = this.FindName(State["FocusedElement"] as string) as Control;
bFocused = true;
//if (null != focusedElement)
// focusedElement.Focus();
}
else
{
bFocused = false;
}
TravelReportInfo travelReportInfo = ((App.Current.RootVisual as PhoneApplicationFrame).DataContext as TravelReportInfo);
if (State.ContainsKey("txtDestination"))
{
travelReportInfo.Destination = State["txtDestination"] as string;
}
if (State.ContainsKey("txtJustification"))
{
travelReportInfo.Justification = State["txtJustification"] as string;
}
if (State.ContainsKey("txtToDate"))
{
if (!bToDateChangedNavigateTo)
{
travelReportInfo.LastDay = DateTime.Parse(State["txtToDate"] as string);
txtToDate.Value = travelReportInfo.LastDay;//this operation call txtFromDate_ValueChanged event
bToDateChangedNavigateTo = false;
}
else
{
bToDateChangedNavigateTo = false;
}
}
else
{
//format todata
txtToDate.Value = travelReportInfo.LastDay;
bToDateChangedNavigateTo = false;
}
if (State.ContainsKey("txtFromDate"))
{
if (!bFromDateChangedNavigateTo)
{
travelReportInfo.FirstDay = DateTime.Parse(State["txtFromDate"] as string);
txtFromDate.Value = travelReportInfo.FirstDay;//this operation call txtFromDate_ValueChanged event
bFromDateChangedNavigateTo = false;
}
else
{
bFromDateChangedNavigateTo = false;
}
}
else
{
// format fromdata
txtFromDate.Value = travelReportInfo.FirstDay;
bFromDateChangedNavigateTo = false;
}
base.OnNavigatedTo(e);
}
// Code to execute when the application is launching (eg, from Start)
// This code will not execute when the application is reactivated
private void Application_Launching(object sender, LaunchingEventArgs e)
{
Utils.Trace("Application Launching");
TravelReportInfo trf = null;
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
Utils.ListStorageFiles();
if (isf.FileExists(_fileName))
{
using (IsolatedStorageFileStream fs = isf.OpenFile(_fileName, System.IO.FileMode.Open))
{
XmlSerializer ser = new XmlSerializer(typeof(TravelReportInfo));
object obj = ser.Deserialize(fs);
if (null != obj && obj is TravelReportInfo)
trf = obj as TravelReportInfo;
else
trf = new TravelReportInfo();
}
}
else
trf = new TravelReportInfo();
}
RootFrame.DataContext = trf;
}
