public static PagerItemOptions Merge([CanBeNull] PagerItemOptions baseOptions,
[CanBeNull] PagerItemOptions additionalOptions)
{
// If base options is not null, use its clone as base; otherwise, use a new empty item as base.
var result = baseOptions?.Clone() ?? new PagerItemOptions();
// Return base item if no additional options are
if (additionalOptions == null)
{
return(result);
}
// Merge attributes
result.Content = additionalOptions.Content ?? result.Content;
result.Link = additionalOptions.Link ?? result.Link;
result.ActiveMode = additionalOptions.ActiveMode ?? result.ActiveMode;
result.InactiveBehavior = additionalOptions.InactiveBehavior ?? result.InactiveBehavior;
// Merge settings
foreach (var i in additionalOptions.AdditionalSettings)
{
result.AdditionalSettings[i.Key] = i.Value;
}
return(result);
}
/// <summary>
/// Initialize a new set with all empty settings.
/// </summary>
public PagerItemOptionsSet()
{
Default = new PagerItemOptions();
Normal = new PagerItemOptions();
Current = new PagerItemOptions();
Omitted = new PagerItemOptions();
FirstPageButton = new PagerItemOptions();
LastPageButton = new PagerItemOptions();
PreviousPageButton = new PagerItemOptions();
NextPageButton = new PagerItemOptions();
}
/// <summary>
/// Initialize a new set with all empty settings.
/// </summary>
public PagerItemOptionsSet()
{
Default = new PagerItemOptions();
Normal = new PagerItemOptions();
Current = new PagerItemOptions();
Omitted = new PagerItemOptions();
FirstPageButton = new PagerItemOptions();
LastPageButton = new PagerItemOptions();
PreviousPageButton = new PagerItemOptions();
NextPageButton = new PagerItemOptions();
}
/// <summary>
/// Create a new <see cref="PagerItemGenerationContext" /> from a base <see cref="PagerGenerationContext" />.
/// </summary>
/// <param name="baseContext">The base <see cref="PagerGenerationContext" /> instance.</param>
/// <param name="pagerItem">The current page item.</param>
/// <param name="pagerItemOptions">The current page item options.</param>
public PagerItemGenerationContext([NotNull] PagerGenerationContext baseContext, PagerItem pagerItem,
PagerItemOptions pagerItemOptions)
{
if (baseContext == null)
{
throw new ArgumentNullException(nameof(baseContext));
}
CurrentPage = baseContext.CurrentPage;
TotalPage = baseContext.TotalPage;
Options = baseContext.Options;
ViewContext = baseContext.ViewContext;
GenerationMode = baseContext.GenerationMode;
PagerItem = pagerItem;
PagerItemOptions = pagerItemOptions;
}
/// <summary>
/// Create a new <see cref="PagerItemGenerationContext" /> from a base <see cref="PagerGenerationContext" />.
/// </summary>
/// <param name="baseContext">The base <see cref="PagerGenerationContext" /> instance.</param>
/// <param name="pagerItem">The current page item.</param>
/// <param name="pagerItemOptions">The current page item options.</param>
public PagerItemGenerationContext([NotNull] PagerGenerationContext baseContext, PagerItem pagerItem,
PagerItemOptions pagerItemOptions)
{
if (baseContext == null)
{
throw new ArgumentNullException(nameof(baseContext));
}
CurrentPage = baseContext.CurrentPage;
TotalPage = baseContext.TotalPage;
Options = baseContext.Options;
ViewContext = baseContext.ViewContext;
GenerationMode = baseContext.GenerationMode;
PagerItem = pagerItem;
PagerItemOptions = pagerItemOptions;
}
public PagerItemOptions GetMergedOptionsFor(PagerItemType itemType)
{
// Stack used to LIFO operations
var optionsStack = new Stack <PagerItemOptions>();
// Recursively get base item
PagerItemType?current = itemType;
while (current != null)
{
optionsStack.Push(GetOptionsFor(itemType));
current = GetBaseItemType(current.Value);
}
// Put default item
optionsStack.Push(Default);
// Merge all items
return(PagerItemOptions.MergeAll(optionsStack));
}
