/// <summary>
/// Sets the color of each slot based on its rule. Slots that don't inherit must have a color already.
/// If this completes without error, then the theme is ready to use. (All slots will have a color.)
/// setSlot() can be called before this, but this must be called before getThemeAs*().
/// Does not override colors of rules where isCustomized is true (i.e. doesn't override existing customizations).
/// </summary>
/// <param name="slotRules"></param>
/// <param name="isInverted"></param>
public static void InsureSlots(IThemeRules slotRules, Boolean isInverted)
{
// Get all the "root" rules, the ones which don't inherit. Then "set" them to trigger updating dependent slots.
foreach (var ruleName in slotRules)
{
IThemeSlotRule rule = slotRules[ruleName];
if (rule.inherits == null && String.IsNullOrEmpty(rule.value))
{
if (rule.color == null)
{
throw new InvalidOperationException("A color slot rule that does not inherit must provide its own color.");
}
ThemeGenerator.SetSlotInternal(rule, rule.color, isInverted, false, false);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="rule"></param>
/// <param name="color"></param>
/// <param name="isInverted"></param>
/// <param name="isCustomization"></param>
/// <param name="overwriteCustomColor"></param>
public static void SetSlot(IThemeSlotRule rule, IColor color, Boolean isInverted = false, Boolean isCustomization = false, Boolean overwriteCustomColor = true)
{
if (rule.color == null && String.IsNullOrEmpty(rule.value))
{
// not a color rule
return;
}
if (overwriteCustomColor)
{
IColor colorAsIColor = color;
if (colorAsIColor == null)
{
throw new ArgumentNullException(nameof(color), "Color is invalid in setSlot(): " + color.ToString());
}
ThemeGenerator.SetSlotInternal(rule, colorAsIColor, isInverted, isCustomization, overwriteCustomColor);
}
else if (rule.color != null)
{
ThemeGenerator.SetSlotInternal(rule, rule.color, isInverted, isCustomization, overwriteCustomColor);
}
}
/// <summary>
/// Sets the given slot's color to the appropriate color, shading it if necessary.
/// Then, iterates through all other rules(that are this rule's dependents) to update them accordingly.
/// isCustomization= true means it's a user provided color, set it to that raw color
/// isCustomization= false means the rule it's inheriting from changed, so updated using asShade
/// </summary>
/// <param name="rule"></param>
/// <param name="color"></param>
/// <param name="isInverted"></param>
/// <param name="isCustomization"></param>
/// <param name="overwriteCustomColor"></param>
private static void SetSlotInternal(IThemeSlotRule rule, IColor color, Boolean isInverted, Boolean isCustomization, Boolean overwriteCustomColor = true)
{
//if (rule.color == null && String.IsNullOrEmpty(rule.value))
//{
// // not a color rule
// return;
//}
if (overwriteCustomColor || rule.color == null || !rule.isCustomized || rule.inherits == null)
{
// set the rule's color under these conditions
if ((overwriteCustomColor || !rule.isCustomized) && !isCustomization && rule.inherits != null && Shades.IsValidShade(rule.asShade))
{
// it's inheriting by shade
if (rule.isBackgroundShade)
{
rule.color = Shades.GetBackgroundShade(color, rule.asShade, isInverted);
}
else
{
rule.color = Shades.GetShade(color, rule.asShade, isInverted);
}
rule.isCustomized = false;
}
else
{
rule.color = color;
rule.isCustomized = true;
}
// then update dependent colors
foreach (var ruleToUpdate in rule.dependentRules)
{
ThemeGenerator.SetSlotInternal(ruleToUpdate, rule.color, isInverted, false, overwriteCustomColor);
}
}
}