/// <summary>
/// Initializes a new instance of the <see cref="T:NewWidgets.Widgets.Widget"/> class for internal use
/// </summary>
/// <param name="styles">Styles.</param>
internal protected Widget(WidgetStyleSheet[] styles)
: base(null)
{
Size = new Vector2(0, 0);
m_styleType = WidgetStyleType.Normal;
m_styles = styles; // use the same styles as parent
}
protected void DelayedSwitchStyle(WidgetStyleType styleType)
{
Animator.StartCustomAnimation(this, AnimationKind.Custom, null, 1, null,
delegate {
SwitchStyle(styleType);
});
}
public override bool SwitchStyle(WidgetStyleType styleType)
{
if (base.SwitchStyle(styleType))
{
InvalidateLayout();
return(true);
}
return(false);
}
internal void SetProperty <T>(WidgetStyleType style, WidgetParameterIndex index, T value)
{
if (!HasStyle(style))
{
throw new ArgumentException("Widget doesn't have style " + style + " assigned!");
}
m_styles[(int)style].Set(m_styles, index, value);
}
internal T GetProperty <T>(WidgetStyleType style, WidgetParameterIndex index, T defaultValue)
{
if (!HasStyle(style))
{
style = m_styleType;
}
return(m_styles[(int)style].Get(index, defaultValue));
}
public override bool SwitchStyle(WidgetStyleType styleType)
{
if (base.SwitchStyle(styleType))
{
m_label.SwitchStyle(styleType);
m_image.SwitchStyle(styleType);
return(true);
}
return(false);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:NewWidgets.Widgets.Widget"/> class.
/// </summary>
/// <param name="style">Style.</param>
protected Widget(WidgetStyleSheet style = default(WidgetStyleSheet))
: base(null)
{
if (style.IsEmpty)
{
style = DefaultStyle;
}
Size = style.Get(WidgetParameterIndex.Size, new Vector2(0, 0));
m_styleType = WidgetStyleType.Normal;
m_styles = new WidgetStyleSheet[(int)WidgetStyleType.Max];
LoadStyle(WidgetStyleType.Normal, style);
}
/// <summary>
/// Switches the style.
/// </summary>
/// <param name="styleType">Style type.</param>
public virtual bool SwitchStyle(WidgetStyleType styleType)
{
if (!HasStyle(styleType))
{
return(false);
}
if (m_styleType == styleType)
{
return(false);
}
m_styleType = styleType;
return(true);
}
public void UpdateStyle()
{
WidgetStyleType type = WidgetStyleType.Normal;
if (Selected)
{
type |= WidgetStyleType.Selected;
}
if (!Enabled)
{
type |= WidgetStyleType.Disabled;
}
if (Hovered)
{
type |= WidgetStyleType.Hovered;
}
if (!HasStyle(type)) // try to fall back
{
if (HasStyle(type & ~WidgetStyleType.Selected))
{
type &= ~WidgetStyleType.Selected;
}
if (HasStyle(type & ~WidgetStyleType.Disabled))
{
type &= ~WidgetStyleType.Disabled;
}
if (HasStyle(type & ~WidgetStyleType.Hovered))
{
type &= ~WidgetStyleType.Hovered;
}
}
if (HasStyle(type)) // only perform switch if we have where to switch
{
if (type == m_styleType)
{
return;
}
DelayedSwitchStyle(type);
}
}
public override bool SwitchStyle(WidgetStyleType styleType)
{
if (base.SwitchStyle(styleType))
{
if (m_image != null)
{
m_image.SwitchStyle(styleType);
}
if (m_linkedLabel != null)
{
m_linkedLabel.SwitchStyle(styleType);
}
return(true);
}
return(false);
}
/// <summary>
/// Loads the style and possible sub-styles
/// </summary>
/// <param name="styleType">Style type.</param>
/// <param name="style">Style.</param>
public void LoadStyle(WidgetStyleType styleType, WidgetStyleSheet style)
{
if (style.IsEmpty)
{
return;
}
m_styles[(int)styleType] = style;
// Hovered can be only subset of Normal, Disabled, Selected or SelectedDisabled
if (styleType == WidgetStyleType.Normal || styleType == WidgetStyleType.Disabled || styleType == WidgetStyleType.Selected || styleType == WidgetStyleType.SelectedDisabled)
{
var hoveredStyleReference = style.Get(WidgetParameterIndex.HoveredStyle, default(WidgetStyleSheet));
if (!hoveredStyleReference.IsEmpty)
{
WidgetStyleType targetStyleType = 0;
switch (styleType)
{
case WidgetStyleType.Normal:
targetStyleType = WidgetStyleType.Hovered;
break;
case WidgetStyleType.Selected:
targetStyleType = WidgetStyleType.SelectedHovered;
break;
case WidgetStyleType.Disabled:
if (style.Name == m_styles[(int)WidgetStyleType.Normal].Name)
{
targetStyleType = 0; // workaround to prevent using hovered style when disabled is set to same style as normal
}
else
{
targetStyleType = WidgetStyleType.DisabledHovered;
}
break;
case WidgetStyleType.SelectedDisabled:
targetStyleType = WidgetStyleType.SelectedDisabledHovered;
break;
}
if (targetStyleType != 0)
{
LoadStyle(targetStyleType, hoveredStyleReference);
}
}
}
// Disabled can be only subset of Normal or Selected
if (styleType == WidgetStyleType.Normal || styleType == WidgetStyleType.Selected)
{
var disabledStyleReference = style.Get(WidgetParameterIndex.DisabledStyle, default(WidgetStyleSheet));
if (!disabledStyleReference.IsEmpty)
{
WidgetStyleType targetStyleType = 0;
switch (styleType)
{
case WidgetStyleType.Normal:
targetStyleType = WidgetStyleType.Disabled;
break;
case WidgetStyleType.Selected:
targetStyleType = WidgetStyleType.SelectedDisabled;
break;
}
if (targetStyleType != 0)
{
LoadStyle(targetStyleType, disabledStyleReference);
}
}
}
// Selected can be only subset of Normal
if (styleType == WidgetStyleType.Normal)
{
var selectedStyleReference = style.Get(WidgetParameterIndex.SelectedStyle, default(WidgetStyleSheet));
if (!selectedStyleReference.IsEmpty)
{
LoadStyle(WidgetStyleType.Selected, selectedStyleReference);
}
var selectedHoveredStyleReference = style.Get(WidgetParameterIndex.SelectedHoveredStyle, default(WidgetStyleSheet));
if (!selectedHoveredStyleReference.IsEmpty)
{
LoadStyle(WidgetStyleType.SelectedHovered, selectedHoveredStyleReference);
}
}
}
protected bool HasStyle(WidgetStyleType styleType)
{
return(!m_styles[(int)styleType].IsEmpty);
}
