/// <summary>
/// Handles the Click event of the SendButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs"/> instance containing the event data.</param>
private void SendButton_Click(object sender, RoutedEventArgs e)
{
string message = InputTextBox.Text;
if (!string.IsNullOrEmpty(message))
{
// Create a new message info object and fill it with some data. This message info object is converted
// to textblock controls and animated image using a converter.
AnimationMessageInfo messageInfo = new AnimationMessageInfo();
messageInfo.Created = DateTime.Now;
messageInfo.Message = message;
messageInfo.MessageBrush = new SolidColorBrush(Colors.Green);
messageInfo.User = "******";
HistoryListBox.Items.Add(messageInfo);
InputTextBox.Text = string.Empty;
}
}
/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <param name="value">The source data being passed to the target.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the target dependency property.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
/// <returns>
/// The value to be passed to the target dependency property.
/// </returns>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
AnimationMessageInfo message = value as AnimationMessageInfo;
if (message != null)
{
WrapPanel wrapPanel = new WrapPanel();
wrapPanel.Children.Add(new TextBlock {
FontWeight = FontWeights.SemiBold, Text = "["
});
wrapPanel.Children.Add(new TextBlock {
FontWeight = FontWeights.SemiBold, Text = message.Created.ToString()
});
wrapPanel.Children.Add(new TextBlock {
FontWeight = FontWeights.SemiBold, Text = "]"
});
wrapPanel.Children.Add(new TextBlock {
Margin = new Thickness(4, 0, 0, 0), Text = message.User
});
wrapPanel.Children.Add(new TextBlock {
Margin = new Thickness(4, 0, 4, 0), Text = ":"
});
string messageString = message.Message;
while (true)
{
int index = int.MaxValue;
string smileyKey = null;
foreach (string key in _smileys.Keys)
{
int temp = messageString.IndexOf(key);
if (temp >= 0 && temp < index)
{
index = temp;
smileyKey = key;
}
}
if (index != int.MaxValue)
{
string subString = messageString.Substring(0, index);
foreach (string part in subString.Split(' '))
{
wrapPanel.Children.Add(new TextBlock {
Text = part + " ", Foreground = message.MessageBrush
});
}
wrapPanel.Children.Add(GetSmiley(_smileys[smileyKey]));
messageString = messageString.Substring(index + smileyKey.Length);
}
else
{
foreach (string part in messageString.Split(' '))
{
wrapPanel.Children.Add(new TextBlock {
Text = part + " ", Foreground = message.MessageBrush
});
}
break;
}
}
return(wrapPanel);
}
else
{
return(null);
}
}
