protected override void CommitProperties()
{
// Keep track of whether selectedIndex was programmatically changed
var selectedIndexChanged = ProposedSelectedIndex != NO_PROPOSED_SELECTION;
// If selectedIndex was set to CUSTOM_SELECTED_ITEM, and no selectedItem was specified,
// then don't change the selectedIndex
if (ProposedSelectedIndex == CUSTOM_SELECTED_ITEM &&
null == PendingSelectedItem)
{
ProposedSelectedIndex = NO_PROPOSED_SELECTION;
}
base.CommitProperties();
if (null != TextInput)
{
if (_maxCharsChanged)
{
TextInput.MaxChars = _maxChars;
_maxCharsChanged = false;
}
if (_restrictChanged)
{
TextInput.Restrict = _restrict;
_restrictChanged = false;
}
if (_typicalItemChanged)
{
if (TypicalItem != null)
{
var itemString = LabelUtil.ItemToLabel(TypicalItem, LabelField, LabelFunction);
//TextInput.widthInChars = itemString.Length;
}
/*else
* {
* // Just set it back to the default value
* //textInput.widthInChars = 10;
* }*/
_typicalItemChanged = false;
}
// Clear the TextInput because we were programmatically set to NO_SELECTION
// We call this after super.commitProperties because commitSelection might have
// changed the value to NO_SELECTION
if (selectedIndexChanged && SelectedIndex == NO_SELECTION)
{
TextInput.Text = string.Empty;
}
}
}
protected override void UpdateLabelDisplay(object displayItem = null)
{
if (null == LabelDisplay)
{
return;
}
if (null == displayItem)
{
displayItem = SelectedItem;
}
LabelDisplay.Text = null != displayItem?
LabelUtil.ItemToLabel(displayItem, LabelField, LabelFunction) :
_prompt;
}
protected override void UpdateLabelDisplay(object displayItem = null)
{
base.UpdateLabelDisplay(displayItem);
if (null != TextInput)
{
if (null == displayItem)
{
displayItem = SelectedItem;
}
if (null != displayItem)
{
TextInput.Text = LabelUtil.ItemToLabel(displayItem, LabelField, LabelFunction);
}
}
}
/**
* Given a data item, return the correct text a renderer
* should display while taking the <code>labelField</code>
* and <code>labelFunction</code> properties into account.
*/
override public string ItemToLabel(object item)
{
return(LabelUtil.ItemToLabel(item, LabelField, LabelFunction));
}