/// <summary>
/// Constructor
/// </summary>
/// <param name="scrollView">The scroll view host.</param>
/// <param name="selectionStrategy">The selection strategy to use.</param>
public ButtonGrid(ScrollView scrollView, ButtonGridSelectionStrategy selectionStrategy)
: this(scrollView, selectionStrategy, new ButtonGridGridLayout(), null, CreateDefaultCaptionFactory(scrollView))
{
}
/// <summary>
/// This function only exists to allow the subclasses of ButtonGrid for common strategies to actually be able to set
/// their strategy. This should not (and can't) be called from other classes. If you do need to use ButtonGrid raw
/// externally to this library just favor object composition to get your grid setup correctly. If you do make a new subclass
/// of ButtonGrid, pass null for the strategy in the base call and then call this method as soon as possible.
/// </summary>
/// <param name="selectionStrategy"></param>
protected internal void _workaroundSetSelectionStrategy(ButtonGridSelectionStrategy selectionStrategy)
{
this.selectionStrategy = selectionStrategy;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="scrollView">The scroll view host.</param>
/// <param name="selectionStrategy">The selection strategy to use.</param>
/// <param name="layoutEngine">The Layout to use.</param>
/// <param name="itemComparer">A comparison instance.</param>
/// <param name="captionFactory">The factory to use to make captions.</param>
public ButtonGrid(ScrollView scrollView, ButtonGridSelectionStrategy selectionStrategy, ButtonGridLayout layoutEngine, IComparer <ButtonGridItem> itemComparer, ButtonGridCaptionFactory captionFactory)
{
this.selectionStrategy = selectionStrategy;
NonEmptyGroupCount = 0;
String read;
bool boolValue;
int intValue;
SuppressLayout = false;
this.scrollView = scrollView;
scrollView.CanvasPositionChanged += scrollView_CanvasPositionChanged;
this.itemComparer = itemComparer;
this.layoutEngine = layoutEngine;
//Try to get properties from the widget itself.
read = scrollView.getUserString("ItemHeight");
if (read != null && NumberParser.TryParse(read, out intValue))
{
ItemHeight = ScaleHelper.Scaled(intValue);
}
else
{
ItemHeight = ScaleHelper.Scaled(122);
}
read = scrollView.getUserString("ItemWidth");
if (read != null && NumberParser.TryParse(read, out intValue))
{
ItemWidth = ScaleHelper.Scaled(intValue);
}
else
{
ItemWidth = ScaleHelper.Scaled(122);
}
ButtonSkin = scrollView.getUserString("ButtonSkin");
if (ButtonSkin == null || ButtonSkin == String.Empty)
{
ButtonSkin = "ButtonGridButton";
}
read = scrollView.getUserString("ShowGroupCaptions");
if (read != null && bool.TryParse(read, out boolValue))
{
ShowGroupCaptions = boolValue;
}
else
{
ShowGroupCaptions = true;
}
read = scrollView.getUserString("ItemPaddingX");
if (read != null && NumberParser.TryParse(read, out intValue))
{
layoutEngine.ItemPaddingX = ScaleHelper.Scaled(intValue);
}
read = scrollView.getUserString("ItemPaddingY");
if (read != null && NumberParser.TryParse(read, out intValue))
{
layoutEngine.ItemPaddingY = ScaleHelper.Scaled(intValue);
}
read = scrollView.getUserString("GroupPaddingY");
if (read != null && NumberParser.TryParse(read, out intValue))
{
layoutEngine.GroupPaddingY = ScaleHelper.Scaled(intValue);
}
read = scrollView.getUserString("Center");
if (read != null && bool.TryParse(read, out boolValue))
{
layoutEngine.Center = boolValue;
}
this.CaptionFactory = captionFactory;
}
