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313
KretaWeb/Helpers/DropdownListExtensions.cs
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313
KretaWeb/Helpers/DropdownListExtensions.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Text;
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using System.Web.Mvc;
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using Kendo.Mvc.UI;
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using Kendo.Mvc.UI.Fluent;
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using Kreta.Framework;
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namespace Kreta.Web.Helpers
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{
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public static class DropdownListExtensions
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{
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public static DropDownListBuilder KretaDropdownList(this HtmlHelper helper, string id, string url = null
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, string dataTextField = "Text", string datavalueField = "Value", string groupName = null, Type groupType = null)
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{
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if (groupName != null)
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{
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var dropdownlist = helper.Kendo().DropDownList()
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.Name(id)
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.DataTextField(dataTextField)
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.DataValueField(datavalueField)
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.DataSource(source =>
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{
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source.Custom()
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.ServerFiltering(true)
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.Transport(transport =>
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{
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transport.Read(
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read => read.Url(url));
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})
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.Group(g => g.Add(groupName, groupType));
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});
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return dropdownlist;
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}
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else
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{
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var dropdownlist = helper.Kendo().DropDownList()
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.Name(id)
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.DataTextField(dataTextField)
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.DataValueField(datavalueField)
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.DataSource(source =>
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{
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source.Custom()
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.ServerFiltering(true)
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.Transport(transport =>
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{
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transport.Read(
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read => read.Url(url));
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});
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});
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return dropdownlist;
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}
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}
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public static DropDownListBuilder KretaDropdownList(this HtmlHelper helper, string id, IEnumerable<SelectListItem> selectList, IDictionary<string, object> htmlAttributes = null)
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{
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if (htmlAttributes == null)
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htmlAttributes = new Dictionary<string, object>();
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htmlAttributes.Add("data-labelmsg", id);
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var dropdown = helper.Kendo().DropDownList()
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.Name(id)
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.BindTo(selectList)
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.HtmlAttributes(htmlAttributes);
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return dropdown;
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}
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public static DropDownListBuilder KretaDropdownListFor<TModel, TProperty>(
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this HtmlHelper<TModel> helper,
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Expression<Func<TModel, TProperty>> expression,
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IEnumerable<SelectListItem> selectList,
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IDictionary<string, object> htmlAttributes = null,
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bool addOptionLabel = true
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)
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{
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var fieldName = ExpressionHelper.GetExpressionText(expression);
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var fullBindingName = helper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(fieldName);
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var metadata = ModelMetadata.FromLambdaExpression(expression, helper.ViewData);
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if (htmlAttributes == null)
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htmlAttributes = new Dictionary<string, object>();
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var validationAttributes = helper.GetUnobtrusiveValidationAttributes(fullBindingName, metadata);
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foreach (var key in validationAttributes.Keys)
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{
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if (key == "data-val-required")
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{
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htmlAttributes.Add("title", validationAttributes[key].ToString());
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}
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}
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if (metadata.IsRequired)
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{
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htmlAttributes.Add("data-rule-required", "true");
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htmlAttributes.Add("data-labelmsg", metadata.DisplayName + " *");
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}
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else
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{
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htmlAttributes.Add("data-labelmsg", metadata.DisplayName);
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}
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selectList = selectList.Where(t => !string.IsNullOrWhiteSpace(t.Value)).ToList();
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var dropdown = helper.Kendo()
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.DropDownListFor(expression)
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.BindTo(selectList)
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.HtmlAttributes(htmlAttributes);
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if (addOptionLabel && selectList.Count() > 1)
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{
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dropdown.OptionLabel(StringResourcesUtil.GetString(364));
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}
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return dropdown;
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}
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public static DropDownListBuilder KretaDropdownListFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression, string url, string dataTextField = "Text", string datavalueField = "Value", IDictionary<string, object> htmlAttributes = null)
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{
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var fieldName = ExpressionHelper.GetExpressionText(expression);
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var fullBindingName = helper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(fieldName);
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var metadata = ModelMetadata.FromLambdaExpression(expression, helper.ViewData);
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var value = metadata.Model;
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if (htmlAttributes == null)
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htmlAttributes = new Dictionary<string, object>();
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var validationAttributes = helper.GetUnobtrusiveValidationAttributes(fullBindingName, metadata);
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foreach (var key in validationAttributes.Keys)
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{
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if (key == "data-val-required")
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{
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htmlAttributes.Add("title", validationAttributes[key].ToString());
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}
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}
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if (metadata.IsRequired)
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{
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htmlAttributes.Add("data-rule-required", "true");
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//htmlAttributes.Add("title", string.Format(StringResourcesUtil.GetString(3477), metadata.DisplayName));
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htmlAttributes.Add("data-labelmsg", metadata.DisplayName + " *");
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}
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else
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{ htmlAttributes.Add("data-labelmsg", metadata.DisplayName); }
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var dropdown = helper.Kendo()
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.DropDownListFor(expression)
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.HtmlAttributes(htmlAttributes)
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.DataTextField(dataTextField)
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.DataValueField(datavalueField)
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.DataSource(source =>
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{
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source.Custom()
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.ServerFiltering(true)
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.Transport(transport =>
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{
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transport.Read(
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read => read.Url(url));
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}).Group(g => g.Add("Group", typeof(string)));
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});
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return dropdown;
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}
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public static MvcHtmlString RenderSearchPanel(this DropDownListBuilder helper)
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{
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List<SelectListItem> modSelectList = new List<SelectListItem>();
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modSelectList.Add(new SelectListItem() { Text = StringResourcesUtil.GetString(364), Value = "" });
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foreach (var item in helper.ToComponent().DataSource.Data)
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{
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var dli = (DropDownListItem)item;
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modSelectList.Add(new SelectListItem() { Text = dli.Text, Value = dli.Value, Selected = dli.Selected });
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}
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if (modSelectList.Count == 2)
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helper.BindTo(modSelectList);
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string labelMsg = "";
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foreach (var item in helper.ToComponent().HtmlAttributes)
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{
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if (item.Key == "data-labelmsg" && item.Value != null)
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labelMsg = item.Value.ToString();
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}
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StringBuilder sb = new StringBuilder();
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sb.Append("<div class=\"searchInputRowHeight\"><div>");
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sb.Append("<label class=\"searchPanelInputLabel\" for=\"").Append(helper.ToComponent().Name).Append("\">").Append(labelMsg).Append("</label>");
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sb.Append("</div><div>");
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sb.Append(helper.ToHtmlString());
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sb.Append("</div></div>");
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return new MvcHtmlString(sb.ToString());
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}
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public static MvcHtmlString RenderSearchPanelSideBar(this DropDownListBuilder helper)
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{
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List<SelectListItem> modSelectList = new List<SelectListItem>();
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modSelectList.Add(new SelectListItem() { Text = StringResourcesUtil.GetString(364), Value = "" });
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foreach (var item in helper.ToComponent().DataSource.Data)
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{
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var dli = (DropDownListItem)item;
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modSelectList.Add(new SelectListItem() { Text = dli.Text, Value = dli.Value, Selected = dli.Selected });
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}
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if (modSelectList.Count == 2)
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helper.BindTo(modSelectList);
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string labelMsg = "";
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foreach (var item in helper.ToComponent().HtmlAttributes)
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{
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if (item.Key == "data-labelmsg" && item.Value != null)
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labelMsg = item.Value.ToString();
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}
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StringBuilder sb = new StringBuilder();
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sb.Append("<div class=\"searchPanelRow\">");
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sb.Append("<div class=\"searchPanelRowTitle\">");
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sb.Append("<label class=\"searchPanelLabel\" for=\"").Append(helper.ToComponent().Name).Append("\">").Append(labelMsg).Append("</label>");
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sb.Append("</div>");
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sb.Append("<div class=\"searchPanelRowValue\">");
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sb.Append(helper.ToHtmlString());
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sb.Append("</div>");
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sb.Append("</div>");
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return new MvcHtmlString(sb.ToString());
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}
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public static MvcHtmlString RenderWithName(this DropDownListBuilder helper, int labelWidth = 6, int inputWidth = 6, bool allSizeSame = false, string tooltipResource = null)
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{
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string labelMsg = "";
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foreach (var item in helper.ToComponent().HtmlAttributes)
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{
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if (item.Key == "data-labelmsg" && item.Value != null)
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labelMsg = item.Value.ToString();
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}
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var sb = new StringBuilder();
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if (string.IsNullOrWhiteSpace(tooltipResource))
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AddRenderWithNameBeginingFrame(sb, labelWidth, inputWidth, allSizeSame, helper.ToComponent().Name, labelMsg);
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else
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AddRenderWithNameTooltipBeginingFrame(sb, labelWidth, inputWidth, allSizeSame, helper.ToComponent().Name, labelMsg, tooltipResource);
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sb.Append(helper.ToHtmlString());
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AddRenderWithNameCloseingFrame(sb);
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return new MvcHtmlString(sb.ToString());
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}
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private static void AddRenderWithNameBeginingFrame(StringBuilder sb, int labelWidth, int inputWidth, bool allSizeSame, string controlName, string labelMsg)
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{
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sb.AppendFormat("<div class=\"{0}\">", BootsrapHelper.GetSizeClasses(labelWidth, allSizeSame));
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sb.AppendFormat("<label class=\"windowInputLabel\" for=\"{0}\">{1}</label>", controlName, labelMsg);
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sb.AppendFormat("</div><div class=\"{0} \">", BootsrapHelper.GetSizeClasses(inputWidth, allSizeSame));
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}
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private static void AddRenderWithNameTooltipBeginingFrame(StringBuilder sb, int labelWidth, int inputWidth, bool allSizeSame, string controlName, string labelMsg, string tooltipResource)
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{
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sb.AppendFormat("<div class=\"{0} kretaLabelTooltip \">", BootsrapHelper.GetSizeClasses(labelWidth, allSizeSame));
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sb.AppendFormat("<label class=\"windowInputLabel\" for=\"{0}\">{1}", controlName, labelMsg);
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sb.Append(" <img class='kretaLabelTooltipImg' />");
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sb.AppendFormat("<span class=\"kretaLabelTooltipText\">{0}</span>", tooltipResource);
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sb.Append("</label>");
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sb.AppendFormat("</div><div class=\"{0} \">", BootsrapHelper.GetSizeClasses(inputWidth, allSizeSame));
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}
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private static void AddRenderWithNameCloseingFrame(StringBuilder sb)
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{
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sb.Append("</div>");
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}
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public static MvcHtmlString RenderWithName(this DropDownListBuilder helper, string label, int labelWidth = 6, int inputWidth = 6, bool allSizeSame = false, string tooltipResource = null)
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{
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var sb = new StringBuilder();
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if (string.IsNullOrWhiteSpace(tooltipResource))
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AddRenderWithNameBeginingFrame(sb, labelWidth, inputWidth, allSizeSame, helper.ToComponent().Name, label);
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else
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AddRenderWithNameTooltipBeginingFrame(sb, labelWidth, inputWidth, allSizeSame, helper.ToComponent().Name, label, tooltipResource);
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sb.Append(helper.ToHtmlString());
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AddRenderWithNameCloseingFrame(sb);
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return new MvcHtmlString(sb.ToString());
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}
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public static MvcHtmlString RenderWithoutName(this DropDownListBuilder helper, int inputWidth = 6, bool allSizeSame = false, string tooltipResource = null)
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{
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var sb = new StringBuilder();
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sb.AppendFormat($"<div class=\"{{0}} {(!string.IsNullOrWhiteSpace(tooltipResource) ? "kretaLabelTooltip" : "")}\">", BootsrapHelper.GetSizeClasses(inputWidth, allSizeSame));
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if (!string.IsNullOrWhiteSpace(tooltipResource))
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{
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helper.HtmlAttributes(new { style = "width: 94% !important;" });
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}
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sb.Append(helper.ToHtmlString());
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if (!string.IsNullOrWhiteSpace(tooltipResource))
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{
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sb.Append(" <img class='kretaLabelTooltipImg' />");
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sb.AppendFormat("<span class=\"kretaLabelTooltipText\">{0}</span>", tooltipResource);
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}
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sb.Append("</div>");
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return new MvcHtmlString(sb.ToString());
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}
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}
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}
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