private void addFormElement()
{
if ((ChosenFormElementOption == null) || (ChosenFormElementOption == String.Empty))
{
return;
}
if (ChosenFormElementOption == "Label")
{
LabelFormElement e = new LabelFormElement();
e.Name = "New Label";
e.LabelText = "New Label";
LabelElementWrapper w = new LabelElementWrapper(e);
_template.FormElements.Add(e);
FormElements.Add(w);
generateInstance();
}
else if (ChosenFormElementOption == "Text Box")
{
TextFormElement e = new TextFormElement();
e.Name = "New text box";
FormElementWrapper w = new FormElementWrapper(e);
_template.FormElements.Add(e);
FormElements.Add(w);
generateInstance();
}
else if (ChosenFormElementOption == "Numeric Up Down")
{
NumericFormElement e = new NumericFormElement();
e.Name = "New numeric box";
NumericElementWrapper w = new NumericElementWrapper(e);
_template.FormElements.Add(e);
FormElements.Add(w);
generateInstance();
}
}
private void FormViewer_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (!(this.DataContext is FormInstance))
{
return;
}
///Ok so the datacontex wil be a Forminstance
FormInstance f = (FormInstance)this.DataContext;
//does this forminstance already have dataitems
//We clear all the existing elements from the Grid
FormGrid.Children.Clear();
//Set up the rows and columns
FormGrid.RowDefinitions.Clear();
FormGrid.ColumnDefinitions.Clear();
var rows = f.FormTemplate.Rows.Split(',');
for (int i = 0; i < f.FormTemplate.NumberOfRows; i++)
{
RowDefinition def = new RowDefinition();
Binding widthBinding = new Binding("ActualHeight");
widthBinding.Source = FormGrid;
widthBinding.Converter = new FractionConverter();
widthBinding.ConverterParameter = Convert.ToDouble(rows[i]);
def.SetBinding(RowDefinition.HeightProperty, widthBinding);
FormGrid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(Convert.ToDouble(rows[i]), GridUnitType.Star)
});
}
var cols = f.FormTemplate.Columns.Split(',');
for (int i = 0; i < f.FormTemplate.NumberOfColumns; i++)
{
ColumnDefinition def = new ColumnDefinition();
Binding widthBinding = new Binding("ActualWidth");
widthBinding.Source = FormGrid;
widthBinding.Converter = new FractionConverter();
widthBinding.ConverterParameter = Convert.ToDouble(cols[i]);
def.SetBinding(ColumnDefinition.WidthProperty, widthBinding);
//FormGrid.ColumnDefinitions.Add(def);
FormGrid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(Convert.ToDouble(cols[i]), GridUnitType.Star)
});
}
///Now we iterate the elements that make up this template
///and add them to the grid
///for each form element, we add a control, and we check if the FormInstance already has a
///QADataItem that matches in terms of its DataDictionaryEntry and EquipmentItem
///if we have match, then we assign that dataitem to the Control we just added
foreach (FormElement elm in f.FormTemplate.FormElements)
{
if (elm is LabelFormElement)
{
LabelFormElement l = (LabelFormElement)elm;
Label X = new Label();
X.HorizontalContentAlignment = HorizontalAlignment.Center;
X.VerticalContentAlignment = VerticalAlignment.Center;
X.Content = l.LabelText;
setControlLayout(l, X);
}
else if (elm is BooleanFormElement)
{
BooleanFormElement b = (BooleanFormElement)elm;
CheckBox X = new CheckBox();
QADataItem qaDataItem = null;
if (f.DataItems.Where(x => x.DataDictionaryEntry.FullName == b.DataDictionaryEntry.FullName).Any())
{
//qaDataItem = (QADataItem)f.DataItems.Where(x => x.DataDictionaryEntry.FullName == b.DataDictionaryEntry.FullName).First();
}
else
{
//qaDataItem = new QADataItem();
//qaDataItem.EquipmentItem = b.EquipmentItem;
}
setControlLayout(b, X);
}
else if (elm is NumericFormElement)
{
///create refernce to native type
NumericFormElement n = (NumericFormElement)elm;
///Create the control
MahApps.Metro.Controls.NumericUpDown t = new MahApps.Metro.Controls.NumericUpDown();
t.Maximum = n.Maximum;
t.MinHeight = n.Minimum;
t.StringFormat = "{}{0:F" + n.NumberOfDecimals.ToString() + "} " + n.Unit;
///We should never have a NumericFormElement without a DataDictionaryEntry
if (n.DataDictionaryEntry != null)
{
///This object is the underlying QADataItem that the control will bind to.
QADataItem d = null;
if (f.DataItems.Where(x => x.DataDictionaryEntry.FullName == n.DataDictionaryEntry.FullName && (x as QADataItem).EquipmentItem.FullName == n.EquipmentItem.FullName).Any())
{
///This FormInstance already has a QADataItem that matches on DataDictionaryEntry and EquipmentItem, so let's retrieve that one.
d = f.DataItems.Where(x => x.DataDictionaryEntry.FullName == n.DataDictionaryEntry.FullName && (x as QADataItem).EquipmentItem.FullName == n.EquipmentItem.FullName).First() as QADataItem;
}
else
{
d = new QuantifiableQADataItem
{
EquipmentItem = n.EquipmentItem,
DataDictionaryEntry = n.DataDictionaryEntry,
QAFormInstance = f as QAFormInstance
};
}
Binding bd = new Binding("Value");
bd.Source = d;
bd.Mode = BindingMode.TwoWay;
BindingOperations.SetBinding(t, MahApps.Metro.Controls.NumericUpDown.ValueProperty, bd);
}
else
{
// / we should log this
}
//t.LostFocus += new RoutedEventHandler((senderX, eX) => FormatNumericElement(senderX, eX, n.Format + n.NumberOfDecimals));
setControlLayout(n, t);
}
else if (elm is TextFormElement)
{
TextFormElement tfe = (TextFormElement)elm;
TextBox t = new TextBox();
setControlLayout(tfe, t);
}
}
}
