private string generateTextLine(int lineNumber)
{
const int charsPerButton = 4;
int buttonsPerLine = (SegmentType == SegmentType.Segment2x8 ? 8 : 4);
int startIndex = (buttonsPerLine * lineNumber);
StringBuilder builder = new StringBuilder();
for (int i = 0; i < buttonsPerLine; i++)
{
BindableColorButton button = GetButton(startIndex + i);
string rawText;
if (button == null || string.IsNullOrEmpty(button.Text))
{
rawText = string.Empty;
}
else
{
rawText = button.Text;
}
builder.Append(rawText.ClipOrPad(charsPerButton));
//One character space between buttons
builder.Append(' ');
}
return(builder.ToString());
}
protected void OnButtonUpdated(BindableColorButton button, string propertyName)
{
if (ButtonUpdated != null)
{
ButtonUpdated(button, new PropertyChangedEventArgs(propertyName));
}
}
public void ClearButton(int buttonIndex)
{
BindableColorButton button = GetButton(buttonIndex);
if (button != null)
{
button.Clear();
}
}
public BindableColorButton SetButton(int buttonIndex, string text, FrontPanelColors color, bool dim, ButtonFunction function, int value)
{
BindableColorButton button = GetButton(buttonIndex);
if (button != null)
{
button.SetButton(text, color, dim, function, value);
}
return(button);
}
public void CopyFrom(Segment segment, LcdDisplayMode lcdTextSource)
{
if (segment == null)
{
return;
}
this.SegmentType = segment.Type;
this.PortID = segment.PortID;
this.LcdMode = lcdTextSource;
if (lcdMode == LcdDisplayMode.Segment)
{
int lineWidth = 40;
int lineCount = 2;
if (segmentType == SegmentType.Segment4x4)
{
lineWidth = 20;
lineCount = 4;
}
string text = segment.GetDisplayText();
//Sanity check on text field length
int totalWidth = lineWidth * lineCount;
if (text.Length < totalWidth)
{
text = text.ClipOrPad(totalWidth);
}
for (int i = 0; i < lineCount; i++)
{
int startIndex = lineWidth * i;
string subString = text.Substring(startIndex, lineWidth);
setTextLine(i, subString);
}
}
//Update buttons
foreach (ColorButton button in segment.ColorButtons)
{
BindableColorButton thisButton = GetButton(button.ControlID);
thisButton.AlternateColorIndex = button.BlinkColor;
thisButton.Blink2x = button.Blink2x;
thisButton.ColorIndex = button.Color;
thisButton.Dim = button.Dim;
thisButton.Text = button.Text;
thisButton.Value = button.Value;
}
}
public BindableSegment()
{
for (int i = 0; i < 16; i++)
{
BindableColorButton button = new BindableColorButton()
{
ButtonIndex = i
};
button.PropertyChanged += new PropertyChangedEventHandler(button_PropertyChanged);
buttons.Add(button);
}
buttons.CollectionItemChanged += Buttons_CollectionItemChanged;
UpdateTextLines();
}