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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| using System; | ||
|
|
||
| namespace FlexLabs.Web | ||
| { | ||
| public sealed class AutoDropDownListAttribute : Attribute | ||
| { | ||
| /// <summary> | ||
| /// Defines the settings to initialise the DropDownList with | ||
| /// </summary> | ||
| /// <param name="optionsFieldName">The field in the model class that contains the IEnumerable<SelectListItem></param> | ||
| public AutoDropDownListAttribute(String optionsFieldName) | ||
| { | ||
| OptionsFieldName = optionsFieldName; | ||
| } | ||
|
|
||
| public String OptionsFieldName { get; private set; } | ||
| public String OptionsLabel { get; set; } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| using System; | ||
|
|
||
| namespace FlexLabs.Web | ||
| { | ||
| public sealed class AutoTextBoxAttribute : Attribute | ||
| { | ||
| /// <summary> | ||
| /// A string that is used to format the input | ||
| /// </summary> | ||
| public String Format { get; set; } | ||
| public String Type { get; set; } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| using System; | ||
| using System.Linq.Expressions; | ||
| using System.Reflection; | ||
|
|
||
| namespace FlexLabs.Web.Html | ||
| { | ||
| internal static class ExpressionHelper | ||
| { | ||
| public static MemberInfo GetMemberInfo(Expression expression) | ||
| { | ||
| if (expression == null) | ||
| return null; | ||
|
|
||
| if (expression is LambdaExpression) | ||
| return GetMemberInfo((expression as LambdaExpression).Body); | ||
|
|
||
| switch (expression.NodeType) | ||
| { | ||
| case ExpressionType.ArrayIndex: | ||
| var binaryExpression = expression as BinaryExpression; | ||
| return GetMemberInfo(binaryExpression.Left); | ||
|
|
||
| case ExpressionType.MemberAccess: | ||
| var memberExpression = expression as MemberExpression; | ||
| return memberExpression.Member; | ||
|
|
||
| default: | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
| public static TAttribute GetAttribute<TAttribute>(MemberInfo memberInfo) | ||
| where TAttribute: Attribute | ||
| { | ||
| var attributes = memberInfo.GetCustomAttributes(typeof(TAttribute), false); | ||
| if (attributes.Length > 0) | ||
| return attributes[0] as TAttribute; | ||
|
|
||
| return null; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq.Expressions; | ||
| using System.Web.Mvc; | ||
| using System.Web.Mvc.Html; | ||
|
|
||
| namespace FlexLabs.Web.Html | ||
| { | ||
| public static class EditorHelpers | ||
| { | ||
| public static MvcHtmlString AutoEditorFieldFor<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, TValue>> expression, String templateName = null, Object additionalViewData = null) | ||
| { | ||
| var label = html.LabelFor(expression); | ||
| var validation = html.ValidationMessageFor(expression); | ||
|
|
||
| MvcHtmlString editor = null; | ||
| var member = ExpressionHelper.GetMemberInfo(expression); | ||
|
|
||
| if (editor == null && ExpressionHelper.GetAttribute<AutoDropDownListAttribute>(member) != null) | ||
| editor = html.AutoDropDownListFor(expression); | ||
| if (editor == null && ExpressionHelper.GetAttribute<AutoTextBoxAttribute>(member) != null) | ||
| editor = html.AutoTextBoxFor(expression); | ||
| if (editor == null) | ||
| editor = html.EditorFor(expression, templateName, additionalViewData); | ||
|
|
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| return MvcHtmlString.Create(label.ToString() + editor.ToString() + validation.ToString()); | ||
| } | ||
|
|
||
| public static MvcHtmlString AutoDropDownListFor<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, TValue>> expression, Object htmlAttributes = null) | ||
| { | ||
| var member = ExpressionHelper.GetMemberInfo(expression); | ||
| var attr = ExpressionHelper.GetAttribute<AutoDropDownListAttribute>(member); | ||
| if (attr == null) | ||
| throw new InvalidOperationException("Missing AutoDropDownListAttribute on property"); | ||
|
|
||
| var field = member.DeclaringType.GetField(attr.OptionsFieldName); | ||
| if (field == null) | ||
| throw new MissingFieldException($"Could not find field {attr.OptionsFieldName} on type {member.DeclaringType}"); | ||
| if (!typeof(IEnumerable<SelectListItem>).IsAssignableFrom(field.FieldType)) | ||
| throw new Exception($"Field {attr.OptionsFieldName} is not of type IEnumerable<SelectListItem>"); | ||
|
|
||
| var model = html.ViewData.Model; | ||
| var options = field.GetValue(model) as IEnumerable<SelectListItem>; | ||
| return html.DropDownListFor(expression, options, attr.OptionsLabel, htmlAttributes); | ||
| } | ||
|
|
||
| public static MvcHtmlString AutoTextBoxFor<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, TValue>> expression, Object htmlAttributes = null) | ||
| { | ||
| var member = ExpressionHelper.GetMemberInfo(expression); | ||
| var attr = ExpressionHelper.GetAttribute<AutoTextBoxAttribute>(member); | ||
| if (attr == null) | ||
| throw new InvalidOperationException("Missing AutoTextBoxAttribute on property"); | ||
|
|
||
| var attributes = htmlAttributes != null | ||
| ? (IDictionary<String, Object>)HtmlHelper.AnonymousObjectToHtmlAttributes(htmlAttributes) | ||
| : new Dictionary<String, Object>(StringComparer.OrdinalIgnoreCase); | ||
|
|
||
| if (attr.Type != null && !attributes.ContainsKey("type")) | ||
| attributes["type"] = attr.Type; | ||
|
|
||
| return html.TextBoxFor(expression, attr.Format, attributes); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| using FlexLabs.Web.TablePager; | ||
| using System; | ||
| using System.Web.Mvc; | ||
| using System.Web.Mvc.Html; | ||
|
|
||
| namespace FlexLabs.Web.Html | ||
| { | ||
| public static class PagingExtensions | ||
| { | ||
| public static MvcHtmlString EnableFormSorting<TModel>(this HtmlHelper<TModel> html) | ||
| where TModel : ITableModel | ||
| { | ||
| var model = html.ViewData.Model; | ||
| String result = String.Empty; | ||
|
|
||
| if (model.SortBy != null) | ||
| { | ||
| var sortBy = new TagBuilder("input"); | ||
| sortBy.MergeAttribute("type", "hidden"); | ||
| sortBy.MergeAttribute("name", "SortBy"); | ||
| sortBy.MergeAttribute("value", model.SortBy.ToString()); | ||
| result += sortBy.ToString(TagRenderMode.SelfClosing); | ||
| } | ||
|
|
||
| if (model.SortAsc != null) | ||
| { | ||
| var sortAsc = new TagBuilder("input"); | ||
| sortAsc.MergeAttribute("type", "hidden"); | ||
| sortAsc.MergeAttribute("name", "SortAsc"); | ||
| sortAsc.MergeAttribute("value", model.SortAsc.ToString()); | ||
| result += sortAsc.ToString(TagRenderMode.SelfClosing); | ||
| } | ||
|
|
||
| if (model.FirstItemID != null) | ||
| { | ||
| var firstItemID = new TagBuilder("input"); | ||
| firstItemID.MergeAttribute("type", "hidden"); | ||
| firstItemID.MergeAttribute("name", "FirstItemID"); | ||
| firstItemID.MergeAttribute("value", model.FirstItemID.ToString()); | ||
| result += firstItemID.ToString(TagRenderMode.SelfClosing); | ||
| } | ||
|
|
||
| return MvcHtmlString.Create(result); | ||
| } | ||
|
|
||
| public static MvcHtmlString PageSizer<TModel>(this HtmlHelper<TModel> html, String lavel = "Page Size: ", Int32[] pageSizes = null, Int32? currentSize = null) | ||
| where TModel : ITableModel | ||
| { | ||
| var label = html.LabelFor(m => m.PageSize); | ||
| var editor = html.DropDownListFor(m => m.PageSize, TableModel.GetPageSizes(pageSizes, currentSize), new { onchange = "$(this).closest('form').submit();" }); | ||
| var validation = html.ValidationMessageFor(m => m.PageSize); | ||
|
|
||
| return MvcHtmlString.Create(label.ToString() + editor.ToString() + validation.ToString()); | ||
| } | ||
|
|
||
| public static MvcHtmlString Pager<TModel>(this HtmlHelper<TModel> html, PagedListData pageData, String label = "Page: ") | ||
| where TModel : ITableModel | ||
| { | ||
| var labelTag = new TagBuilder("label"); | ||
| labelTag.SetInnerText(label); | ||
|
|
||
| var ulTag = new TagBuilder("ul"); | ||
|
|
||
| if (!pageData.CanSeeFirstPage()) | ||
| ulTag.InnerHtml += PagerLink(1); | ||
|
|
||
| foreach (var page in pageData.PageRange) | ||
| { | ||
| if (page == pageData.PageNumber) | ||
| ulTag.InnerHtml += $"<li class=\"page-current\">{page}</li>"; | ||
| else | ||
| ulTag.InnerHtml += PagerLink(page); | ||
| } | ||
|
|
||
| if (!pageData.CanSeeLastPage()) | ||
| ulTag.InnerHtml += PagerLink(pageData.PageCount); | ||
|
|
||
| var divTag = new TagBuilder("div"); | ||
| divTag.AddCssClass("table-pager"); | ||
| divTag.InnerHtml += labelTag.ToString(); | ||
| divTag.InnerHtml += ulTag; | ||
| return MvcHtmlString.Create(divTag.ToString()); | ||
| } | ||
|
|
||
| private static String PagerLink(Int32 pageNumber) | ||
| { | ||
| return $"<li><button type=\"submit\" name=\"page\" value=\"{pageNumber}\">{pageNumber}</button></li>"; | ||
| } | ||
|
|
||
| public static MvcHtmlString Pager<TModel>(this HtmlHelper<TModel> html, String label = "Page: ") | ||
| where TModel : ITableModel | ||
| { | ||
| if (html.ViewData.Model?.PageItems?.PageCount == 0) | ||
| return null; | ||
|
|
||
| var pageItems = html.ViewData.Model.PageItems; | ||
| var pageData = new PagedListData(pageItems.PageNumber, pageItems.PageSize, pageItems.PageCount, pageItems.TotalItemCount); | ||
| return Pager(html, pageData, label); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| using FlexLabs.Web.TablePager; | ||
| using System.Collections.Generic; | ||
| using System.Web.Mvc; | ||
|
|
||
| namespace FlexLabs.Web.Html | ||
| { | ||
| public static class TableExtensions | ||
| { | ||
| public static MvcHtmlString TableHeader(this HtmlHelper html, IEnumerable<ITableHeader> headers) | ||
| { | ||
| return TableHeader(html, new[] { headers }); | ||
| } | ||
|
|
||
| public static MvcHtmlString TableHeader(this HtmlHelper html, IEnumerable<IEnumerable<ITableHeader>> headersSet) | ||
| { | ||
| var theadTag = new TagBuilder("thead"); | ||
|
|
||
| foreach (var headers in headersSet) | ||
| { | ||
| var rowTag = new TagBuilder("tr"); | ||
| foreach (var iheader in headers) | ||
| { | ||
| var thTag = new TagBuilder("th"); | ||
| if (iheader.CssClass != null) | ||
| thTag.AddCssClass(iheader.CssClass); | ||
| if (iheader.ColSpan.HasValue) | ||
| thTag.MergeAttribute("colspan", iheader.ColSpan.ToString()); | ||
| if (iheader.RowSpan.HasValue) | ||
| thTag.MergeAttribute("rowspan", iheader.RowSpan.ToString()); | ||
|
|
||
| if (iheader is CustomTableHeader) | ||
| { | ||
| thTag.InnerHtml = (iheader as CustomTableHeader).Content(html.ViewData.Model).ToString(); | ||
| } | ||
| else | ||
| { | ||
| var header = iheader as TableHeader; | ||
| if (header.Value != null) | ||
| { | ||
| var buttonTag = new TagBuilder("button"); | ||
| buttonTag.MergeAttribute("type", "submit"); | ||
| buttonTag.MergeAttribute("name", "changeSort"); | ||
| buttonTag.MergeAttribute("value", header.Value.ToString()); | ||
| if (header.ToolTip != null) | ||
| buttonTag.MergeAttribute("title", header.ToolTip); | ||
| buttonTag.SetInnerText(header.Title); | ||
| thTag.InnerHtml = buttonTag.ToString(); | ||
| } | ||
| else if (header.ToolTip != null) | ||
| { | ||
| var span = new TagBuilder("span"); | ||
| span.MergeAttribute("title", header.ToolTip); | ||
| span.SetInnerText(header.Title); | ||
| thTag.InnerHtml = span.ToString(); | ||
| } | ||
| else | ||
| { | ||
| thTag.SetInnerText(header.Title); | ||
| } | ||
| } | ||
|
|
||
| rowTag.InnerHtml += thTag.ToString(); | ||
| } | ||
| theadTag.InnerHtml += rowTag.ToString(); | ||
| } | ||
|
|
||
| return MvcHtmlString.Create(theadTag.ToString()); | ||
| } | ||
| } | ||
| } |
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