public static DialogResult Show(CalendarItem outlook, CalendarItem google)
{
using (var form = new DifferencesForm()) {
form.LoadData(outlook, google);
return(form.ShowDialog());
}
}
/// <summary>
/// Compares the two lists of calendar items and finds the differences in the lists.
/// </summary>
/// <param name="outlookList">The outlook list</param>
/// <param name="googleList">The google list</param>
/// <returns>A list of calendar items with the appropriate changes specified.</returns>
private List <CalendarItem> CompareLists(List <CalendarItem> outlookList, List <CalendarItem> googleList, bool forceContentsEqual = false)
{
var finalList = new List <CalendarItem>();
foreach (var calendarItem in outlookList)
{
// Check to see if Item is not in google list
if (!googleList.Contains(calendarItem))
{
// It's not, check the archiver. Maybe it was deleted in google.
if (m_archiver.Contains(calendarItem.CalendarItemIdentifier))
{
// It appears to have been deleted in the google cal.
// Do you want to delete it from outlook?
if (
MessageBox.Show(
"It appears the calendar event '" + calendarItem.Subject +
"' was deleted from Google. Would you like to remove it from Outlook also?", "Delete Event?",
MessageBoxButtons.YesNo) == DialogResult.Yes)
{
// Yes, delete it
calendarItem.Action |= CalendarItemAction.OutlookDelete;
finalList.Add(calendarItem);
}
}
else
{ // It is not it google's list or the archiver, add it to google
if (calendarItem.Recurrence != null)
{
if (calendarItem.IsFirstOccurence)
{
calendarItem.Action |= CalendarItemAction.GoogleAdd;
finalList.Add(calendarItem);
}
}
else
{
calendarItem.Action |= CalendarItemAction.GoogleAdd;
finalList.Add(calendarItem);
}
}
}
else
{ // It is in googles list. Find them differences.
var item = googleList.Find(x => x.CalendarItemIdentifier.GoogleId.Equals(calendarItem.CalendarItemIdentifier.GoogleId));
// Get the differences
if (item != null && !item.IsContentsEqual(calendarItem))
{
// Should we do the same action to every calendar item?
if (PerformActionToAll)
{
// Check and make sure there is an action to perform
if (Action != CalendarItemAction.Nothing)
{
calendarItem.Action |= Action;
finalList.Add(calendarItem);
}
}
else
{ // We are not performing the same action to every item, yet.
// Are we performing a silentSync?
if (m_silentSync && m_precedence != Precedence.None)
{
// Yep, setup the action to be performed
PerformActionToAll = true;
Action = m_precedence == Precedence.Outlook
? CalendarItemAction.GoogleUpdate
: CalendarItemAction.OutlookUpdate;
}
else
{ // No we are not performing a silent sync
var result = (DifferencesFormResults)DifferencesForm.Show(calendarItem, item);
// Save Outlook Version Once
if (result == DifferencesFormResults.KeepOutlookSingle)
{
calendarItem.Action |= CalendarItemAction.GoogleUpdate;
finalList.Add(calendarItem);
// Save Outlook Version for All
}
else if (result == DifferencesFormResults.KeepOutlookAll)
{
calendarItem.Action |= CalendarItemAction.GoogleUpdate;
finalList.Add(calendarItem);
Action = CalendarItemAction.GoogleUpdate;
PerformActionToAll = true;
// Save Google Version Once
}
else if (result == DifferencesFormResults.KeepGoogleSingle)
{
item.Action |= CalendarItemAction.OutlookUpdate;
finalList.Add(item);
// Save Google Version for All
}
else if (result == DifferencesFormResults.KeepGoogleAll)
{
item.Action |= CalendarItemAction.OutlookUpdate;
finalList.Add(item);
Action = CalendarItemAction.OutlookUpdate;
PerformActionToAll = true;
// Ignore All
}
else if (result == DifferencesFormResults.IgnoreAll)
{
PerformActionToAll = true;
Action = CalendarItemAction.Nothing;
}
}
}
}
}
}
foreach (var calendarItem in googleList)
{
if (!outlookList.Contains(calendarItem))
{
if (m_archiver.Contains(calendarItem.CalendarItemIdentifier))
{
if (
MessageBox.Show(
"It appears the calendar event '" + calendarItem.Subject +
"' was deleted from Outlook. Would you like to remove it from Google also?",
"Delete Event?",
MessageBoxButtons.YesNo) == DialogResult.Yes)
{
calendarItem.Action |= CalendarItemAction.GoogleDelete;
finalList.Add(calendarItem);
}
}
else
{
calendarItem.Action |= CalendarItemAction.OutlookAdd;
finalList.Add(calendarItem);
}
}
}
return(finalList);
}
