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Add PagedList fluent builder for ..Mvc.Core project
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Ivan Grek
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Feb 27, 2019
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235 changes: 235 additions & 0 deletions
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examples/X.PagedList.Mvc.Example.Core/Views/Shared/Paging/_Pager.cshtml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,235 @@ | ||
| @using System.Text | ||
| @using X.PagedList.Mvc.Common | ||
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| @model X.PagedList.IPagedList | ||
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| @{ | ||
| var options = (PagedListRenderOptionsBase)ViewData["Options"]; | ||
| var generatePageUrl = (Func<int, string>)ViewData["GeneratePageUrl"]; | ||
| var containerDivClasses = (options.ContainerDivClasses ?? Enumerable.Empty<string>()).Aggregate(new StringBuilder(), (c, n) => c.Append(n).Append(" ")); | ||
| var ulElementClasses = (options.UlElementClasses ?? Enumerable.Empty<string>()).Aggregate(new StringBuilder(), (c, n) => c.Append(n).Append(" ")); | ||
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| var list = Model; | ||
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| //calculate start and end of range of page numbers | ||
| var firstPageToDisplay = 1; | ||
| var lastPageToDisplay = list.PageCount; | ||
| var pageNumbersToDisplay = lastPageToDisplay; | ||
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||
| if (options.MaximumPageNumbersToDisplay.HasValue && list.PageCount > options.MaximumPageNumbersToDisplay) | ||
| { | ||
| // cannot fit all pages into pager | ||
| var maxPageNumbersToDisplay = options.MaximumPageNumbersToDisplay.Value; | ||
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| firstPageToDisplay = list.PageNumber - maxPageNumbersToDisplay / 2; | ||
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| if (firstPageToDisplay < 1) | ||
| { | ||
| firstPageToDisplay = 1; | ||
| } | ||
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| pageNumbersToDisplay = maxPageNumbersToDisplay; | ||
| lastPageToDisplay = firstPageToDisplay + pageNumbersToDisplay - 1; | ||
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| if (lastPageToDisplay > list.PageCount) | ||
| { | ||
| firstPageToDisplay = list.PageCount - maxPageNumbersToDisplay + 1; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @*pagination-container*@ | ||
| <div class="@containerDivClasses"> | ||
| <ul class="@ulElementClasses"> | ||
| @*first*@ | ||
| @if (options.DisplayLinkToFirstPage == PagedListDisplayMode.Always || (options.DisplayLinkToFirstPage == PagedListDisplayMode.IfNeeded && firstPageToDisplay > 1)) | ||
| { | ||
| var pageClasses = (options.PageClasses ?? Enumerable.Empty<string>()).Aggregate(new StringBuilder(), (c, n) => c.Append(n).Append(" ")); | ||
| const int targetPageNumber = 1; | ||
|
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||
| if (list.IsFirstPage) | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="PagedList-skipToFirst disabled"> | ||
| <a class="@pageClasses">@string.Format(options.LinkToFirstPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| else | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="PagedList-skipToFirst"> | ||
| <a rel="first" class="@pageClasses" href="@generatePageUrl(targetPageNumber)">@string.Format(options.LinkToFirstPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| } | ||
|
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||
| @*previous*@ | ||
| @if (options.DisplayLinkToPreviousPage == PagedListDisplayMode.Always || (options.DisplayLinkToPreviousPage == PagedListDisplayMode.IfNeeded && !list.IsFirstPage)) | ||
| { | ||
| var pageClasses = (options.PageClasses ?? Enumerable.Empty<string>()).Aggregate(new StringBuilder(), (c, n) => c.Append(n).Append(" ")); | ||
| var targetPageNumber = list.PageNumber - 1; | ||
|
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||
| if (!list.HasPreviousPage) | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.PreviousElementClass disabled"> | ||
| <a class="@pageClasses">@string.Format(options.LinkToPreviousPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| else | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.PreviousElementClass"> | ||
| <a rel="prev" class="@pageClasses" href="@generatePageUrl(targetPageNumber)">@string.Format(options.LinkToPreviousPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| } | ||
|
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||
| @*text*@ | ||
| @if (options.DisplayPageCountAndCurrentLocation) | ||
| { | ||
| <li class="PagedList-pageCountAndLocation disabled"> | ||
| <a>@string.Format(options.PageCountAndCurrentLocationFormat, list.PageNumber, list.PageCount)</a> | ||
| </li> | ||
| } | ||
|
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||
| @*text*@ | ||
| @if (options.DisplayItemSliceAndTotal) | ||
| { | ||
| <li class="PagedList-pageCountAndLocation disabled"> | ||
| <a>@string.Format(options.ItemSliceAndTotalFormat, list.FirstItemOnPage, list.LastItemOnPage, list.TotalItemCount)</a> | ||
| </li> | ||
| } | ||
|
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||
| @*page*@ | ||
| @if (options.DisplayLinkToIndividualPages) | ||
| { | ||
| //if there are previous page numbers not displayed, show an ellipsis | ||
| if (options.DisplayEllipsesWhenNotShowingAllPageNumbers && firstPageToDisplay > 1) | ||
| { | ||
| var targetPageNumber = firstPageToDisplay - 1; | ||
|
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||
| if (!list.HasPreviousPage) | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.EllipsesElementClass disabled"> | ||
| <a class="PagedList-skipToPrevious">@Html.Raw(string.Format(options.EllipsesFormat, targetPageNumber))</a> | ||
| </li> | ||
| } | ||
| else | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.EllipsesElementClass"> | ||
| <a rel="prev" class="PagedList-skipToPrevious" href="@generatePageUrl(targetPageNumber)">@Html.Raw(string.Format(options.EllipsesFormat, targetPageNumber))</a> | ||
| </li> | ||
| } | ||
| } | ||
|
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||
| foreach (var i in Enumerable.Range(firstPageToDisplay, pageNumbersToDisplay)) | ||
| { | ||
| //show delimiter between page numbers | ||
| if (i > firstPageToDisplay && !string.IsNullOrWhiteSpace(options.DelimiterBetweenPageNumbers)) | ||
| { | ||
| <li>@options.DelimiterBetweenPageNumbers</li> | ||
| } | ||
|
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| var pageClasses = (options.PageClasses ?? Enumerable.Empty<string>()).Aggregate(new StringBuilder(), (c, n) => c.Append(n).Append(" ")); | ||
| var targetPageNumber = i; | ||
|
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||
| if (i == list.PageNumber) | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.ActiveLiElementClass"> | ||
| <span class="@pageClasses">@string.Format(options.LinkToIndividualPageFormat, targetPageNumber)</span> | ||
| </li> | ||
| } | ||
| else | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li> | ||
| <a rel="prev" class="@pageClasses" href="@generatePageUrl(targetPageNumber)">@string.Format(options.LinkToIndividualPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| } | ||
|
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||
| //if there are subsequent page numbers not displayed, show an ellipsis | ||
| if (options.DisplayEllipsesWhenNotShowingAllPageNumbers && (firstPageToDisplay + pageNumbersToDisplay - 1) < list.PageCount) | ||
| { | ||
| var targetPageNumber = lastPageToDisplay + 1; | ||
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||
| if (!list.HasPreviousPage) | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.EllipsesElementClass disabled"> | ||
| <a class="PagedList-skipToNext">@Html.Raw(string.Format(options.EllipsesFormat, targetPageNumber))</a> | ||
| </li> | ||
| } | ||
| else | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.EllipsesElementClass"> | ||
| <a rel="next" class="PagedList-skipToNext" href="@generatePageUrl(targetPageNumber)">@Html.Raw(string.Format(options.EllipsesFormat, targetPageNumber))</a> | ||
| </li> | ||
| } | ||
| } | ||
| } | ||
|
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||
| @*next*@ | ||
| @if (options.DisplayLinkToNextPage == PagedListDisplayMode.Always || (options.DisplayLinkToNextPage == PagedListDisplayMode.IfNeeded && !list.IsLastPage)) | ||
| { | ||
| var pageClasses = (options.PageClasses ?? Enumerable.Empty<string>()).Aggregate(new StringBuilder(), (c, n) => c.Append(n).Append(" ")); | ||
| var targetPageNumber = list.PageNumber + 1; | ||
|
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||
| if (!list.HasNextPage) | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.NextElementClass disabled"> | ||
| <a class="@pageClasses">@string.Format(options.LinkToNextPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| else | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="@options.NextElementClass"> | ||
| <a rel="next" class="@pageClasses" href="@generatePageUrl(targetPageNumber)">@string.Format(options.LinkToNextPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| } | ||
|
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||
| @*last*@ | ||
| @if (options.DisplayLinkToLastPage == PagedListDisplayMode.Always || (options.DisplayLinkToLastPage == PagedListDisplayMode.IfNeeded && lastPageToDisplay < list.PageCount)) | ||
| { | ||
| var pageClasses = (options.PageClasses ?? Enumerable.Empty<string>()).Aggregate(new StringBuilder(), (c, n) => c.Append(n).Append(" ")); | ||
| var targetPageNumber = list.PageCount; | ||
|
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||
| if (list.IsLastPage) | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="PagedList-skipToLast disabled"> | ||
| <a class="@pageClasses">@string.Format(options.LinkToLastPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| else | ||
| { | ||
| //FunctionToTransformEachPageLink | ||
| <li class="PagedList-skipToLast"> | ||
| <a rel="last" class="@pageClasses" href="@generatePageUrl(targetPageNumber)">@string.Format(options.LinkToLastPageFormat, targetPageNumber)</a> | ||
| </li> | ||
| } | ||
| } | ||
| </ul> | ||
| </div> |
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