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| 1 | +using Microsoft.AspNetCore.Html; |
| 2 | +using Microsoft.AspNetCore.Mvc.Rendering; |
| 3 | +using Microsoft.AspNetCore.Mvc.ViewFeatures; |
| 4 | +using Microsoft.AspNetCore.Mvc.ViewFeatures.Internal; |
| 5 | +using Microsoft.AspNetCore.Routing; |
| 6 | +using System; |
| 7 | +using System.Collections.Generic; |
| 8 | +using System.ComponentModel.DataAnnotations; |
| 9 | +using System.Linq; |
| 10 | +using System.Linq.Expressions; |
| 11 | + |
| 12 | +namespace Common.Extensions |
| 13 | +{ |
| 14 | + public static class HtmlHelpers |
| 15 | + { |
| 16 | + public static IHtmlContent oTextBoxFor<TModel, TProperty>(this HtmlHelper<TModel> html, |
| 17 | + Expression<Func<TModel, TProperty>> expression, |
| 18 | + IDictionary<string, object> htmlAttributes = null, |
| 19 | + bool readOnly = false, |
| 20 | + bool sublist = false, |
| 21 | + bool inputGroup = false, |
| 22 | + bool isGuide = false, |
| 23 | + string guideUrl = "") |
| 24 | + { |
| 25 | + var outerDiv = new TagBuilder("div"); |
| 26 | + var label = new TagBuilder("label"); |
| 27 | + var labelAttributes = new Dictionary<string, object>(); |
| 28 | + |
| 29 | + outerDiv.AddCssClass("form-group"); |
| 30 | + labelAttributes.Add("class", "control-label col-xs-12"); |
| 31 | + |
| 32 | + if (!sublist) |
| 33 | + { |
| 34 | + labelAttributes.Add("class", "control-label col-xs-12 col-sm-4 col-md-4 col-lg-3"); |
| 35 | + } |
| 36 | + |
| 37 | + var labelText = html.LabelFor(expression, labelAttributes).ToString(); |
| 38 | + label.InnerHtml.AppendHtml(labelText); |
| 39 | + |
| 40 | + var innerDiv = new TagBuilder("div"); |
| 41 | + innerDiv.AddCssClass("col-xs-12"); |
| 42 | + |
| 43 | + if (!sublist) |
| 44 | + { |
| 45 | + innerDiv.AddCssClass("col-xs-12 col-sm-8 col-md-8 col-lg-9"); |
| 46 | + } |
| 47 | + |
| 48 | + var summaryDiv = new TagBuilder("div"); |
| 49 | + var small = new TagBuilder("small"); |
| 50 | + var span = new TagBuilder("span"); |
| 51 | + |
| 52 | + summaryDiv.AddCssClass("error-summary"); |
| 53 | + summaryDiv.InnerHtml.AppendHtml(small.InnerHtml); |
| 54 | + summaryDiv.InnerHtml.AppendHtml(summaryDiv.ToString()); |
| 55 | + span.AddCssClass("field-validation-valid"); |
| 56 | + span.InnerHtml.AppendHtml(html.ValidationMessageFor(expression).ToString()); |
| 57 | + small.InnerHtml.AppendHtml(span.InnerHtml); |
| 58 | + small.InnerHtml.AppendHtml(small.ToString()); |
| 59 | + |
| 60 | + if (htmlAttributes == null) |
| 61 | + { |
| 62 | + htmlAttributes = new Dictionary<string, object>(); |
| 63 | + } |
| 64 | + |
| 65 | + var oMetaData = ExpressionMetadataProvider.FromLambdaExpression(expression, html.ViewData, html.MetadataProvider); |
| 66 | + |
| 67 | + if (oMetaData == null) |
| 68 | + { |
| 69 | + if (readOnly) |
| 70 | + { |
| 71 | + if (!htmlAttributes.ContainsKey("readonly")) |
| 72 | + { |
| 73 | + htmlAttributes.Add("readonly", "read-only"); |
| 74 | + } |
| 75 | + } |
| 76 | + } |
| 77 | + else |
| 78 | + { |
| 79 | + if (!htmlAttributes.ContainsKey("placeholder")) |
| 80 | + { |
| 81 | + var fieldName = ExpressionHelper.GetExpressionText(expression); |
| 82 | + var placeholder = oMetaData.Metadata.DisplayName ?? oMetaData.Metadata.PropertyName ?? fieldName.Split('.').Last(); |
| 83 | + |
| 84 | + if (!string.IsNullOrWhiteSpace(placeholder)) |
| 85 | + { |
| 86 | + htmlAttributes.Add("placeholder", placeholder); |
| 87 | + } |
| 88 | + |
| 89 | + if (readOnly || oMetaData.Metadata.IsReadOnly) |
| 90 | + { |
| 91 | + if (!htmlAttributes.ContainsKey("readonly")) |
| 92 | + { |
| 93 | + htmlAttributes.Add("readonly", "read-only"); |
| 94 | + } |
| 95 | + } |
| 96 | + } |
| 97 | + } |
| 98 | + |
| 99 | + var oExpression = expression.Body as MemberExpression; |
| 100 | + |
| 101 | + if (oExpression != null) |
| 102 | + { |
| 103 | + var strLengthAttribute = oExpression.Member |
| 104 | + .GetCustomAttributes(typeof(StringLengthAttribute), false) |
| 105 | + .FirstOrDefault() as StringLengthAttribute; |
| 106 | + |
| 107 | + if (strLengthAttribute != null) |
| 108 | + { |
| 109 | + if (!htmlAttributes.ContainsKey("maxlength")) |
| 110 | + { |
| 111 | + htmlAttributes.Add("maxlength", strLengthAttribute.MaximumLength); |
| 112 | + } |
| 113 | + } |
| 114 | + } |
| 115 | + |
| 116 | + if (htmlAttributes.ContainsKey("date")) |
| 117 | + { |
| 118 | + var inputGroupDiv = new TagBuilder("div"); |
| 119 | + inputGroupDiv.AddCssClass("input-group date"); |
| 120 | + |
| 121 | + var spanDate = new TagBuilder("span"); |
| 122 | + spanDate.AddCssClass("input-group-addon input-pe-disabled"); |
| 123 | + |
| 124 | + var spanIcon = new TagBuilder("span"); |
| 125 | + spanIcon.AddCssClass("fa fa-calendar input-pe-disabled"); |
| 126 | + |
| 127 | + spanIcon.InnerHtml.AppendHtml(spanIcon.ToString()); |
| 128 | + spanDate.InnerHtml.AppendHtml(spanIcon.InnerHtml); |
| 129 | + spanDate.InnerHtml.AppendHtml(spanDate.ToString()); |
| 130 | + |
| 131 | + inputGroupDiv.InnerHtml.AppendHtml(spanDate.InnerHtml + (html.TextBoxFor(expression, htmlAttributes)).ToString()); |
| 132 | + innerDiv.InnerHtml.AppendHtml(inputGroupDiv.ToString() + summaryDiv.InnerHtml); |
| 133 | + outerDiv.InnerHtml.AppendHtml(labelText + innerDiv.ToString()); |
| 134 | + } |
| 135 | + else |
| 136 | + { |
| 137 | + var sp = expression.Body.ToString().Split('.'); |
| 138 | + var id = string.Empty; |
| 139 | + |
| 140 | + for (int i = 0; i < sp.Length; i++) |
| 141 | + { |
| 142 | + if (i > 0) |
| 143 | + { |
| 144 | + id += sp[i]; |
| 145 | + if (i < sp.Length - 1) |
| 146 | + id += "_"; |
| 147 | + } |
| 148 | + } |
| 149 | + |
| 150 | + innerDiv.InnerHtml.AppendHtml((inputGroup ? "<div class='input-group'>" : "") + |
| 151 | + html.TextBoxFor(expression, htmlAttributes) + |
| 152 | + (inputGroup ? "<span class='input-group-btn'><button class='btn btn-primary" + (isGuide ? " openGuide" : "") + "' type='button' " + (isGuide ? " data-href='" + guideUrl + "'" : "") + " id='groupBtn_" + id + "'><i class='fa fa-search'></i></button></span></div>" : "") + |
| 153 | + summaryDiv.InnerHtml); |
| 154 | + outerDiv.InnerHtml.AppendHtml(labelText + innerDiv.ToString()); |
| 155 | + } |
| 156 | + |
| 157 | + return outerDiv; |
| 158 | + } |
| 159 | + |
| 160 | + public static IHtmlContent oDropDownFor<TModel, TProperty>(this HtmlHelper<TModel> html, |
| 161 | + Expression<Func<TModel, TProperty>> expression, |
| 162 | + IEnumerable<SelectListItem> list, |
| 163 | + string first, |
| 164 | + IDictionary<string, object> htmlAttributes = null, |
| 165 | + bool readOnly = false, |
| 166 | + bool sublist = false, |
| 167 | + bool isGuide = false, |
| 168 | + string guideUrl = "") |
| 169 | + { |
| 170 | + var outerDiv = new TagBuilder("div"); |
| 171 | + var label = new TagBuilder("label"); |
| 172 | + var labelAttributes = new Dictionary<string, object>(); |
| 173 | + |
| 174 | + outerDiv.AddCssClass("form-group"); |
| 175 | + |
| 176 | + if (!sublist) |
| 177 | + { |
| 178 | + labelAttributes.Add("class", "control-label col-xs-12 col-sm-4 col-md-4 col-lg-3"); |
| 179 | + } |
| 180 | + else |
| 181 | + { |
| 182 | + labelAttributes.Add("class", "control-label col-xs-12"); |
| 183 | + } |
| 184 | + |
| 185 | + var labelText = html.LabelFor(expression, labelAttributes).ToString(); |
| 186 | + |
| 187 | + var innerDiv = new TagBuilder("div"); |
| 188 | + var summaryDiv = new TagBuilder("div"); |
| 189 | + var small = new TagBuilder("small"); |
| 190 | + var span = new TagBuilder("span"); |
| 191 | + |
| 192 | + if (!sublist) |
| 193 | + { |
| 194 | + innerDiv.AddCssClass("col-xs-12 col-sm-8 col-md-8 col-lg-9"); |
| 195 | + } |
| 196 | + else |
| 197 | + { |
| 198 | + innerDiv.AddCssClass("col-xs-12"); |
| 199 | + } |
| 200 | + |
| 201 | + label.InnerHtml.AppendHtml(labelText); |
| 202 | + summaryDiv.AddCssClass("error-summary"); |
| 203 | + span.AddCssClass("field-validation-valid"); |
| 204 | + span.InnerHtml.AppendHtml(html.ValidationMessageFor(expression).ToString()); |
| 205 | + small.InnerHtml.AppendHtml(span.InnerHtml); |
| 206 | + small.InnerHtml.AppendHtml(small.ToString()); |
| 207 | + summaryDiv.InnerHtml.AppendHtml(small.InnerHtml); |
| 208 | + summaryDiv.InnerHtml.AppendHtml(summaryDiv.ToString()); |
| 209 | + |
| 210 | + var dict = new RouteValueDictionary(htmlAttributes); |
| 211 | + |
| 212 | + if (isGuide) |
| 213 | + { |
| 214 | + var inputGroupDiv = new TagBuilder("div"); |
| 215 | + var inputGroupSpan = new TagBuilder("span"); |
| 216 | + var inputGroupBtn = new TagBuilder("button"); |
| 217 | + var inputGroupBtnI = new TagBuilder("i"); |
| 218 | + |
| 219 | + inputGroupDiv.AddCssClass("input-group"); |
| 220 | + inputGroupSpan.AddCssClass("input-group-btn"); |
| 221 | + inputGroupBtn.AddCssClass("btn btn-primary openGuide"); |
| 222 | + inputGroupBtn.MergeAttribute("type", "button"); |
| 223 | + inputGroupBtn.MergeAttribute("data-href", guideUrl); |
| 224 | + inputGroupBtnI.AddCssClass("fa fa-search"); |
| 225 | + |
| 226 | + inputGroupBtn.InnerHtml.AppendHtml(inputGroupBtnI.ToString()); |
| 227 | + inputGroupSpan.InnerHtml.AppendHtml(inputGroupBtn.ToString()); |
| 228 | + inputGroupDiv.InnerHtml.AppendHtml(html.DropDownListFor(expression, list, first, dict) + inputGroupSpan.ToString()); |
| 229 | + innerDiv.InnerHtml.AppendHtml(inputGroupDiv.ToString() + summaryDiv.InnerHtml); |
| 230 | + outerDiv.InnerHtml.AppendHtml(labelText + innerDiv); |
| 231 | + } |
| 232 | + else |
| 233 | + { |
| 234 | + innerDiv.InnerHtml.AppendHtml(html.DropDownListFor(expression, list, first, dict).ToString() + summaryDiv.InnerHtml); |
| 235 | + outerDiv.InnerHtml.AppendHtml(labelText + innerDiv); |
| 236 | + } |
| 237 | + |
| 238 | + return outerDiv; |
| 239 | + } |
| 240 | + |
| 241 | + public static IHtmlContent oEnumDropDownFor<TModel, TProperty, TEnum>(this HtmlHelper<TModel> html, |
| 242 | + Expression<Func<TModel, TProperty>> expression, |
| 243 | + TEnum selectedValue, |
| 244 | + IEnumerable<SelectListItem> list = null, |
| 245 | + string first = "", |
| 246 | + IDictionary<string, object> htmlAttributes = null, |
| 247 | + bool readOnly = false, |
| 248 | + bool sublist = false, |
| 249 | + bool isGuide = false, |
| 250 | + string guideUrl = "") |
| 251 | + { |
| 252 | + var values = Enum.GetValues(typeof(TEnum)).Cast<TEnum>(); |
| 253 | + |
| 254 | + if (list == null) |
| 255 | + { |
| 256 | + list = from value in values |
| 257 | + select new SelectListItem |
| 258 | + { |
| 259 | + Text = value.ToString(), |
| 260 | + Value = Convert.ToInt32(value).ToString(), |
| 261 | + Selected = (value.Equals(selectedValue)) |
| 262 | + }; |
| 263 | + } |
| 264 | + |
| 265 | + var outerDiv = new TagBuilder("div"); |
| 266 | + outerDiv.AddCssClass("form-group"); |
| 267 | + |
| 268 | + var label = new TagBuilder("label"); |
| 269 | + var labelAttributes = new Dictionary<string, object>(); |
| 270 | + |
| 271 | + if (!sublist) |
| 272 | + { |
| 273 | + labelAttributes.Add("class", "control-label col-xs-12 col-sm-4 col-md-4 col-lg-3"); |
| 274 | + } |
| 275 | + else |
| 276 | + { |
| 277 | + labelAttributes.Add("class", "control-label col-xs-12"); |
| 278 | + } |
| 279 | + |
| 280 | + var labelText = html.LabelFor(expression, labelAttributes).ToString(); |
| 281 | + label.InnerHtml.AppendHtml(labelText); |
| 282 | + |
| 283 | + var innerDiv = new TagBuilder("div"); |
| 284 | + |
| 285 | + if (!sublist) |
| 286 | + { |
| 287 | + innerDiv.AddCssClass("col-xs-12 col-sm-8 col-md-8 col-lg-9"); |
| 288 | + } |
| 289 | + else |
| 290 | + { |
| 291 | + innerDiv.AddCssClass("col-xs-12"); |
| 292 | + } |
| 293 | + |
| 294 | + var summaryDiv = new TagBuilder("div"); |
| 295 | + var small = new TagBuilder("small"); |
| 296 | + var span = new TagBuilder("span"); |
| 297 | + |
| 298 | + summaryDiv.AddCssClass("error-summary"); |
| 299 | + span.AddCssClass("field-validation-valid"); |
| 300 | + span.InnerHtml.AppendHtml(html.ValidationMessageFor(expression).ToString()); |
| 301 | + small.InnerHtml.AppendHtml(span.InnerHtml); |
| 302 | + small.InnerHtml.AppendHtml(small); |
| 303 | + summaryDiv.InnerHtml.AppendHtml(small.InnerHtml); |
| 304 | + summaryDiv.InnerHtml.AppendHtml(summaryDiv); |
| 305 | + |
| 306 | + var dict = new RouteValueDictionary(htmlAttributes); |
| 307 | + |
| 308 | + if (isGuide) |
| 309 | + { |
| 310 | + var inputGroupDiv = new TagBuilder("div"); |
| 311 | + var inputGroupSpan = new TagBuilder("span"); |
| 312 | + var inputGroupBtn = new TagBuilder("button"); |
| 313 | + var inputGroupBtnI = new TagBuilder("i"); |
| 314 | + |
| 315 | + inputGroupSpan.AddCssClass("input-group-btn"); |
| 316 | + inputGroupDiv.AddCssClass("input-group"); |
| 317 | + inputGroupBtn.AddCssClass("btn btn-primary openGuide"); |
| 318 | + inputGroupBtn.MergeAttribute("type", "button"); |
| 319 | + inputGroupBtn.MergeAttribute("data-href", guideUrl); |
| 320 | + inputGroupBtnI.AddCssClass("fa fa-search"); |
| 321 | + |
| 322 | + inputGroupBtn.InnerHtml.AppendHtml(inputGroupBtnI); |
| 323 | + inputGroupSpan.InnerHtml.AppendHtml(inputGroupBtn); |
| 324 | + inputGroupDiv.InnerHtml.AppendHtml(html.DropDownListFor(expression, list, first, dict).ToString() + inputGroupSpan); |
| 325 | + innerDiv.InnerHtml.AppendHtml(inputGroupDiv.ToString() + summaryDiv.InnerHtml); |
| 326 | + outerDiv.InnerHtml.AppendHtml(labelText + innerDiv); |
| 327 | + } |
| 328 | + else |
| 329 | + { |
| 330 | + innerDiv.InnerHtml.AppendHtml(html.DropDownListFor(expression, list, first, dict).ToString() + summaryDiv.InnerHtml); |
| 331 | + outerDiv.InnerHtml.AppendHtml(labelText + innerDiv); |
| 332 | + } |
| 333 | + |
| 334 | + return outerDiv; |
| 335 | + } |
| 336 | + |
| 337 | + public static IHtmlContent oEnumDropDownList<TEnum>(this HtmlHelper html, |
| 338 | + string name, |
| 339 | + TEnum selectedValue, |
| 340 | + IDictionary<string, object> htmlAttributes = null) |
| 341 | + { |
| 342 | + var values = Enum.GetValues(typeof(TEnum)).Cast<TEnum>(); |
| 343 | + var items = from value in values |
| 344 | + select new SelectListItem |
| 345 | + { |
| 346 | + Text = value.ToString(), |
| 347 | + Value = Convert.ToInt32(value).ToString(), |
| 348 | + Selected = (value.Equals(selectedValue)) |
| 349 | + }; |
| 350 | + |
| 351 | + return html.DropDownList(name, items, htmlAttributes); |
| 352 | + } |
| 353 | + } |
| 354 | +} |
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