//=====================================================================
/// <summary>
/// Constructor
/// </summary>
public TimeZoneListDlg()
{
InitializeComponent();
dgvCalendar.AutoGenerateColumns = false;
tbcLastModified.DefaultCellStyle.Format =
CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern + " " +
CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern;
vCal = null;
timeZones = new VTimeZoneCollection();
LoadGridWithItems();
}
//=====================================================================
/// <summary>
/// Constructor
/// </summary>
public CalendarBrowserForm()
{
InitializeComponent();
// The string format to use when drawing the status text
sf = new StringFormat(StringFormatFlags.NoWrap);
sf.Alignment = StringAlignment.Near;
sf.LineAlignment = StringAlignment.Center;
sf.Trimming = StringTrimming.EllipsisCharacter;
dgvCalendar.AutoGenerateColumns = false;
// Load the time zone collection with info from the registry
TimeZoneRegInfo.LoadTimeZoneInfo();
vCal = new VCalendar();
LoadComponentList();
LoadGridWithItems(true);
}
/// <summary>
/// Open a vCalendar or iCalendar file
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void miOpen_Click(object sender, EventArgs e)
{
if(wasModified && MessageBox.Show("Do you want to discard your changes to the current calendar?",
"Discard Changes", MessageBoxButtons.YesNo, MessageBoxIcon.Question,
MessageBoxDefaultButton.Button2) == DialogResult.No)
return;
using(OpenFileDialog dlg = new OpenFileDialog())
{
dlg.Title = "Load Calendar File";
dlg.Filter = "ICS files (*.ics)|*.ics|VCS files (*.vcs)|*.vcs|All files (*.*)|*.*";
if(vCal.Version == SpecificationVersions.vCalendar10)
{
dlg.DefaultExt = "vcs";
dlg.FilterIndex = 2;
}
else
{
dlg.DefaultExt = "ics";
dlg.FilterIndex = 1;
}
dlg.InitialDirectory = Path.GetFullPath(Path.Combine(
Environment.CurrentDirectory, @"..\..\..\..\..\PDIFiles"));
if(dlg.ShowDialog() == DialogResult.OK)
{
try
{
this.Cursor = Cursors.WaitCursor;
// Parse the calendar information from the file and load the data grid with some basic
// information about the items in it.
vCal.Dispose();
vCal = VCalendarParser.ParseFromFile(dlg.FileName);
LoadComponentList();
// Find the first collection with items
if(vCal.Events.Count != 0)
cboComponents.SelectedIndex = 0;
else
if(vCal.ToDos.Count != 0)
cboComponents.SelectedIndex = 1;
else
if(vCal.Journals.Count != 0)
cboComponents.SelectedIndex = 2;
else
if(vCal.FreeBusys.Count != 0)
cboComponents.SelectedIndex = 3;
else
cboComponents.SelectedIndex = 0;
LoadGridWithItems(true);
lblFilename.Text = dlg.FileName;
}
catch(Exception ex)
{
string error = String.Format("Unable to load calendar:\n{0}", ex.Message);
if(ex.InnerException != null)
{
error += ex.InnerException.Message + "\n";
if(ex.InnerException.InnerException != null)
error += ex.InnerException.InnerException.Message;
}
System.Diagnostics.Debug.Write(ex);
MessageBox.Show(error, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
this.Cursor = Cursors.Default;
}
}
}
}
//=====================================================================
/// <summary>
/// This is overridden to allow cloning of a PDI object
/// </summary>
/// <returns>A clone of the object</returns>
public override object Clone()
{
VCalendar o = new VCalendar();
o.Clone(this);
return o;
}
/// <summary>
/// This is implemented to handle properties as they are parsed from the data stream
/// </summary>
/// <param name="propertyName">The name of the property.</param>
/// <param name="parameters">A string collection containing the parameters and their values. If empty,
/// there are no parameters.</param>
/// <param name="propertyValue">The value of the property.</param>
/// <remarks><para>There may be a mixture of name/value pairs or values alone in the parameters string
/// collection. It is up to the derived class to process the parameter list based on the specification
/// to which it conforms. For entries that are parameter names, the entry immediately following it in
/// the collection is its associated parameter value. The property name, parameter names, and their
/// values may be in upper, lower, or mixed case.</para>
///
/// <para>The value may be an encoded string. The properties are responsible for any decoding that may
/// need to occur (i.e. base 64 encoded image data).</para></remarks>
/// <exception cref="PDIParserException">This is thrown if an error is encountered while parsing the data
/// stream. Refer to the and inner exceptions for information on the cause of the problem.</exception>
protected override void PropertyParser(string propertyName, StringCollection parameters, string propertyValue)
{
SpecificationVersions version = SpecificationVersions.None;
string temp;
int idx;
// Is it parsing a sub-object?
if(currentState != VCalendarParserState.VCalendar)
{
switch(currentState)
{
case VCalendarParserState.VEvent:
VEventParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VToDo:
VToDoParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VJournal:
VJournalParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VAlarm:
VAlarmParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VFreeBusy:
VFreeBusyParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.VTimeZone:
VTimeZoneParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.ObservanceRule:
ObservanceRuleParser(propertyName, parameters, propertyValue);
break;
case VCalendarParserState.Custom:
CustomObjectParser(propertyName, parameters, propertyValue);
break;
}
return;
}
// The last entry is always CustomProperty so scan for length minus one
for(idx = 0; idx < ntvCal.Length - 1; idx++)
if(ntvCal[idx].IsMatch(propertyName))
break;
// An opening BEGIN:VCALENDAR property must have been seen
if(vCal == null && ntvCal[idx].EnumValue != PropertyType.Begin)
throw new PDIParserException(this.LineNumber, LR.GetString("ExParseNoBeginProp", "BEGIN:VCALENDAR",
propertyName));
// Handle or create the property
switch(ntvCal[idx].EnumValue)
{
case PropertyType.Begin:
// Start a new object
temp = propertyValue.Trim();
// The last entry is always Custom so scan for length - 1
for(idx = 0; idx < ntvObjs.Length - 1; idx++)
if(ntvObjs[idx].IsMatch(temp))
break;
priorState.Push(currentState);
currentState = ntvObjs[idx].EnumValue;
switch(currentState)
{
case VCalendarParserState.VCalendar:
// NOTE: If serializing into an existing instance, this may not be null. If so, it
// is ignored. It may also exist if two calendars appear in the same file. In that
// case, they will be merged into one calendar.
if(vCal == null)
vCal = new VCalendar();
break;
case VCalendarParserState.VEvent:
vEvent = new VEvent();
vCal.Events.Add(vEvent);
break;
case VCalendarParserState.VToDo:
vToDo = new VToDo();
vCal.ToDos.Add(vToDo);
break;
case VCalendarParserState.VJournal:
vJournal = new VJournal();
vCal.Journals.Add(vJournal);
break;
case VCalendarParserState.VFreeBusy:
vFreeBusy = new VFreeBusy();
vCal.FreeBusys.Add(vFreeBusy);
break;
case VCalendarParserState.VTimeZone:
// NOTE: Unlike the other objects, time zone are not added to the collection until
// the END Tag is encountered as they are shared amongst all calendar instances.
vTimeZone = new VTimeZone();
break;
case VCalendarParserState.Custom:
CustomObjectParser(propertyName, parameters, propertyValue);
break;
}
break;
case PropertyType.End:
// The value must be VCALENDAR
if(String.Compare(propertyValue.Trim(), "VCALENDAR", StringComparison.OrdinalIgnoreCase) != 0)
throw new PDIParserException(this.LineNumber, LR.GetString("ExParseUnrecognizedTagValue",
ntvCal[idx].Name, propertyValue));
// When done, we'll propagate the version number to all objects to make it consistent
vCal.PropagateVersion();
break;
case PropertyType.Version:
// Version must be 1.0 or 2.0
temp = propertyValue.Trim();
if(temp == "1.0")
version = SpecificationVersions.vCalendar10;
else
if(temp == "2.0")
version = SpecificationVersions.iCalendar20;
else
throw new PDIParserException(this.LineNumber, LR.GetString("ExParseUnrecognizedVersion",
"vCalendar/iCalendar", temp));
vCal.Version = version;
break;
case PropertyType.ProductId:
vCal.ProductId.EncodedValue = propertyValue;
break;
case PropertyType.CalendarScale:
vCal.CalendarScale.DeserializeParameters(parameters);
vCal.CalendarScale.EncodedValue = propertyValue;
break;
case PropertyType.Method:
vCal.Method.DeserializeParameters(parameters);
vCal.Method.EncodedValue = propertyValue;
break;
case PropertyType.GeographicPosition:
vCal.VCalendarGeographicPosition.EncodedValue = propertyValue;
break;
case PropertyType.TimeZone:
vCal.VCalendarTimeZone.DeserializeParameters(parameters);
vCal.VCalendarTimeZone.EncodedValue = propertyValue;
break;
case PropertyType.Daylight:
vCal.VCalendarDaylightRule.DeserializeParameters(parameters);
vCal.VCalendarDaylightRule.EncodedValue = propertyValue;
break;
default: // Anything else is a custom property
CustomProperty c = new CustomProperty(propertyName);
c.DeserializeParameters(parameters);
c.EncodedValue = propertyValue;
vCal.CustomProperties.Add(c);
break;
}
}
/// <summary>
/// This static method can be used to load property values into an existing instance of a calendar from a
/// string.
/// </summary>
/// <param name="calendarText">A set of calendar properties in a string</param>
/// <param name="calendar">The calendar instance into which the properties will be loaded</param>
/// <remarks>The properties of the specified calendar will be cleared before the new properties are
/// loaded into it.</remarks>
/// <example>
/// <code language="cs">
/// VCalendar vCalendar = new VCalendar();
/// VCalendarParser.ParseFromString(calendarString, vCalendar);
/// </code>
/// <code language="vbnet">
/// Dim vCalendar As New VCalendar
/// VCalendarParser.ParseFromString(calendarString, vCalendar)
/// </code>
/// </example>
public static void ParseFromString(string calendarText, VCalendar calendar)
{
VCalendarParser vcp = new VCalendarParser(calendar);
vcp.ParseString(calendarText);
}
/// <summary>
/// This version of the constructor is used when parsing calendar data that is to be stored in an
/// existing vCalendar/iCalendar instance.
/// </summary>
/// <remarks>The properties in the passed calendar will be cleared</remarks>
/// <param name="calendar">The existing calendar instance</param>
/// <exception cref="ArgumentNullException">This is thrown if the specified calendar object is null</exception>
protected VCalendarParser(VCalendar calendar) : this()
{
if(calendar == null)
throw new ArgumentNullException("calendar", LR.GetString("ExParseNullObject", "vCalendar/iCalendar"));
vCal = calendar;
vCal.ClearProperties();
}
