//***************************************************************
// RichEditBox MenuFlyoutItem Click Events for different menus
//***************************************************************
private void MnFontStyles_Click(object sender, RoutedEventArgs e)
{
// Set the editors font according to the MenuFlyoutItem selected
MenuFlyoutItem item = (MenuFlyoutItem)sender;
Windows.UI.Text.ParagraphStyle style = new Windows.UI.Text.ParagraphStyle();
if (item.Text == "Heading1")
{
style = Windows.UI.Text.ParagraphStyle.Heading1;
}
else if (item.Text == "None")
{
style = Windows.UI.Text.ParagraphStyle.None;
}
else if (item.Text == "Normal")
{
style = Windows.UI.Text.ParagraphStyle.Normal;
}
else if (item.Text == "Undefined")
{
style = Windows.UI.Text.ParagraphStyle.Undefined;
}
editor.Document.Selection.ParagraphFormat.Style = style;
}
int sumRGB; // sum of the selected colors RGB
//int pos, line, column; // for detecting line and column numbers
//int selectedFontSize = 0;
//string filenamee; // file opened inside of RTB
public MainPage()
{
this.InitializeComponent();
// Initialize MenuFlyouts on startup with the appropriate MenuFlyout object
MenuFlyout mnuSize = mnuFontSize;
MenuFlyout mnuColor = mnuFontColor;
// Fill Font Menu Flyout Items List
string[] fonts = Microsoft.Graphics.Canvas.Text.CanvasTextFormat.GetSystemFontFamilies();
// Sort fonts a->z
Array.Sort(fonts, (x, y) => String.Compare(x.ToString(), y.ToString()));
foreach (string font in fonts)
{
MenuFlyoutItem mnFont = new MenuFlyoutItem();
mnFont.Text = font;
mnuFontSelection.Items.Add(mnFont);
mnFont.Click += MnFont_Click;
}
// Fill Font Size Menu Flyout Items List
for (int i = 0; i < 90; i++)
{
MenuFlyoutItem mnFontSize = new MenuFlyoutItem();
mnFontSize.Text = i.ToString();
mnuSize.Items.Add(mnFontSize);
mnFontSize.Click += MnFontSize_Click;
}
// FontColor list
foreach (PropertyInfo prop in typeof(Colors).GetProperties())
{
if (prop.PropertyType.FullName == "Windows.UI.Color")
{
colorList.Add(prop.Name);
}
}
// Fill FontColor Menu Flyout Items List
foreach (string color in colorList)
{
MenuFlyoutItem mnFontColor = new MenuFlyoutItem();
mnFontColor.Text = color;
mnuColor.Items.Add(mnFontColor);
mnFontColor.Click += MnFontColor_Click;
}
// Fill BackColor for each color in the Font Color Menu Flyout
for (int i = 0; i < mnuColor.Items.Count; i++)
{
// Create Color object
Color selectedColor = new Color();
selectedColor = (Color)typeof(Colors).GetProperty(colorList[i]).GetValue(selectedColor);
// Set background color of menu items according to its color
mnuColor.Items[i].Background = new SolidColorBrush(selectedColor);
// Set the text color depending on if the barkground is darker or lighter
// Create Color object
Color col = Color.FromArgb(selectedColor.A, selectedColor.R, selectedColor.G, selectedColor.B);
// 255,255,255 = White and 0,0,0 = Black
// Max sum of RGB values is 765 -> (255 + 255 + 255)
// Middle sum of RGB values is 382 -> (765/2)
// Color is considered darker if its <= 382
// Color is considered lighter if its > 382
sumRGB = ConvertToRGB(col); // get the color objects sum of the RGB value
if (sumRGB <= MIDDLE) // Darker Background
{
mnuColor.Items[i].Foreground = new SolidColorBrush(Colors.White); // Set to white text
}
else if (sumRGB > MIDDLE) // Lighter Background
{
mnuColor.Items[i].Foreground = new SolidColorBrush(Colors.Black); // Set to black text
}
}
// Fill FontStyle MenuFlyoutItem List
Windows.UI.Text.ParagraphStyle[] styles;
styles = new Windows.UI.Text.ParagraphStyle[4];
styles[0] = Windows.UI.Text.ParagraphStyle.Heading1;
styles[1] = Windows.UI.Text.ParagraphStyle.None;
styles[2] = Windows.UI.Text.ParagraphStyle.Normal;
styles[3] = Windows.UI.Text.ParagraphStyle.Undefined;
for (int i = 0; i < styles.Count(); i++)
{
MenuFlyoutItem mnFontStyles = new MenuFlyoutItem();
mnFontStyles.Text = styles[i].ToString();
mnuFontStyles.Items.Add(mnFontStyles);
mnFontStyles.Click += MnFontStyles_Click;
}
}
