kreta/KretaWeb/Helpers/CheckBoxExtensions.cs

using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Text;
using System.Web.Mvc;
using Kendo.Mvc.UI;
using Kendo.Mvc.UI.Fluent;

namespace Kreta.Web.Helpers
{
    public static class CheckBoxExtensions
    {
        public static CheckBoxBuilder KretaCheckBox(this HtmlHelper helper, string name, string label, bool check, bool enabled = true, IDictionary<string, object> htmlAttributes = null)
        {
            CheckBoxBuilder checkBox = helper.Kendo().CheckBox()
                .Name(name)
                .Label(label)
                .Checked(check)
                .Enable(enabled);

            if (htmlAttributes != null)
            {
                checkBox.HtmlAttributes(htmlAttributes);
            }

            return checkBox;
        }

        public static CheckBoxBuilder KretaCheckBoxFor<TModel, TValue>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TValue>> expression, IDictionary<string, object> htmlAttributes = null, bool renderLabelToRight = false, string customDisplayName = null)
        {
            ModelMetadata metadata = ModelMetadata.FromLambdaExpression(expression, helper.ViewData);

            if (htmlAttributes == null)
            {
                htmlAttributes = new Dictionary<string, object>();
            }

            var displayName = !string.IsNullOrWhiteSpace(customDisplayName) ? customDisplayName : metadata.DisplayName;

            if (!renderLabelToRight)
            {
                htmlAttributes.Add("data-labelmsg", displayName);
            }
            else
            {
                //NOTE: Erre azért van szükség, mert a körülötte lévő div nem veszi fel a label méretét, mert fix 5px-re van állítva és emiatt belecsúszik az alatta lévő! 
                if (htmlAttributes.ContainsKey("class"))
                {
                    htmlAttributes["class"] += " disableCheckBoxFixHeight";
                }
                else
                {
                    htmlAttributes.Add("class", "disableCheckBoxFixHeight");
                }
            }

            switch (expression.ReturnType.Name)
            {
                case "Boolean":
                    CheckBoxBuilder checkbox = helper.Kendo()
                        .CheckBoxFor(Expression.Lambda<Func<TModel, bool>>(expression.Body, expression.Parameters))
                        .Label(renderLabelToRight ? displayName : string.Empty) /*Ne generáljon ki label-t az input mögé, ha balra akarjuk a szöveget, azt a RenderWithName-el kell*/
                        .HtmlAttributes(htmlAttributes);

                    return checkbox;
                default:
                    CheckBoxBuilder nullableCheckbox = helper.Kendo()
                        .CheckBoxFor(Expression.Lambda<Func<TModel, bool?>>(expression.Body, expression.Parameters))
                        .Label(renderLabelToRight ? displayName : string.Empty) /*Ne generáljon ki label-t az input mögé, ha balra akarjuk a szöveget, azt a RenderWithName-el kell*/
                        .HtmlAttributes(htmlAttributes);

                    return nullableCheckbox;
            }
        }

        public static MvcHtmlString RenderSearchPanel(this CheckBoxBuilder helper)
        {
            string labelMsg = "";
            foreach (KeyValuePair<string, object> item in helper.ToComponent().HtmlAttributes)
            {
                if (item.Key == "data-labelmsg" && item.Value != null)
                {
                    labelMsg = item.Value.ToString();
                }
            }

            StringBuilder stringBuilder = new StringBuilder();
            stringBuilder.Append("<div class=\"searchInputRowHeight\"><div>");
            stringBuilder.Append("<label class=\"searchPanelInputLabel\" for=\"").Append(helper.ToComponent().Name).Append("\">").Append(labelMsg).Append("</label>");
            stringBuilder.Append("</div><div>");
            stringBuilder.Append(helper.ToHtmlString());
            stringBuilder.Append("</div></div>");

            return new MvcHtmlString(stringBuilder.ToString());
        }

        public static MvcHtmlString RenderSearchPanelSideBar(this CheckBoxBuilder helper)
        {
            string labelMsg = "";
            foreach (KeyValuePair<string, object> item in helper.ToComponent().HtmlAttributes)
            {
                if (item.Key == "data-labelmsg" && item.Value != null)
                {
                    labelMsg = item.Value.ToString();
                }
            }

            StringBuilder stringBuilder = new StringBuilder();
            stringBuilder.Append("<div class=\"searchPanelRow\">");
            stringBuilder.Append("<div class=\"searchPanelRowTitle\">");
            stringBuilder.Append("<label class=\"searchPanelLabel\" for=\"").Append(helper.ToComponent().Name).Append("\">").Append(labelMsg).Append("</label>");
            stringBuilder.Append("</div>");
            stringBuilder.Append("<div class=\"searchPanelRowValue\">");
            stringBuilder.Append(helper.ToHtmlString());
            stringBuilder.Append("</div>");
            stringBuilder.Append("</div>");

            return new MvcHtmlString(stringBuilder.ToString());
        }

        public static MvcHtmlString RenderWithName(this CheckBoxBuilder helper, int labelWidth = 6, int inputWidth = 6, string customClass = "", string tooltipResource = null, string labelMsg = null, bool allSizeSame = false)
        {
            if (string.IsNullOrWhiteSpace(labelMsg))
            {
                foreach (KeyValuePair<string, object> item in helper.ToComponent().HtmlAttributes)
                {
                    if (item.Key == "data-labelmsg" && item.Value != null)
                    {
                        labelMsg = item.Value.ToString();
                    }
                }
            }

            var stringBuilder = new StringBuilder();
            if (string.IsNullOrWhiteSpace(tooltipResource))
            {
                AddRenderWithNameBeginingFrame(stringBuilder, labelWidth, inputWidth, helper.ToComponent().Name, labelMsg, customClass, allSizeSame);
            }
            else
            {
                AddRenderWithNameTooltipBeginingFrame(stringBuilder, labelWidth, inputWidth, helper.ToComponent().Name, labelMsg, customClass, tooltipResource, allSizeSame);
            }
            stringBuilder.Append(helper.ToHtmlString());
            AddRenderWithNameCloseingFrame(stringBuilder);
            return new MvcHtmlString(stringBuilder.ToString());
        }

        public static MvcHtmlString RenderWithName(this CheckBoxBuilder helper, string label, int labelWidth = 6, int inputWidth = 6, string tooltipResource = null)
        {
            var stringBuilder = new StringBuilder();
            if (string.IsNullOrWhiteSpace(tooltipResource))
            {
                AddRenderWithNameBeginingFrame(stringBuilder, labelWidth, inputWidth, helper.ToComponent().Name, label, string.Empty, false);
            }
            else
            {
                AddRenderWithNameTooltipBeginingFrame(stringBuilder, labelWidth, inputWidth, helper.ToComponent().Name, label, string.Empty, tooltipResource, false);
            }
            stringBuilder.Append(helper.ToHtmlString());
            AddRenderWithNameCloseingFrame(stringBuilder);

            return new MvcHtmlString(stringBuilder.ToString());
        }

        private static void AddRenderWithNameBeginingFrame(StringBuilder stringBuilder, int labelWidth, int inputWidth, string controlName, string labelMsg, string customClass, bool allSizeSame)
        {
            stringBuilder.AppendFormat("<div class=\"{0} {1} \">", BootsrapHelper.GetSizeClasses(labelWidth, allSizeSame), customClass);
            stringBuilder.AppendFormat("<label class=\"windowInputLabel\" for=\"{0}\">{1}</label>", controlName, labelMsg);
            stringBuilder.AppendFormat("</div><div class=\"{0} {1}\">", BootsrapHelper.GetSizeClasses(inputWidth, allSizeSame), customClass);
        }

        private static void AddRenderWithNameTooltipBeginingFrame(StringBuilder stringBuilder, int labelWidth, int inputWidth, string controlName, string labelMsg, string customClass, string tooltipResource, bool allSizeSame)
        {
            stringBuilder.AppendFormat("<div class=\"{0} {1} kretaLabelTooltip \">", BootsrapHelper.GetSizeClasses(labelWidth, allSizeSame), customClass);
            stringBuilder.AppendFormat("<label class=\"windowInputLabel\" for=\"{0}\">{1}", controlName, labelMsg);
            stringBuilder.Append("&nbsp;<img class='kretaLabelTooltipImg' />");
            stringBuilder.AppendFormat("<span class=\"kretaLabelTooltipText\">{0}</span>", tooltipResource);
            stringBuilder.Append("</label>");
            stringBuilder.AppendFormat("</div><div class=\"{0} {1}\">", BootsrapHelper.GetSizeClasses(inputWidth, allSizeSame), customClass);
        }

        private static void AddRenderWithNameCloseingFrame(StringBuilder stringBuilder)
        {
            stringBuilder.Append("</div>");
        }
    }
}