/tags/Lib.Web.Mvc 3.3/Lib.Web.Mvc/JQuery/JqGrid/JqGridColumnModel.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization;

using System.Web.Mvc;

using Lib.Web.Mvc.JQuery.JqGrid.DataAnnotations;

using System.ComponentModel.DataAnnotations;



namespace Lib.Web.Mvc.JQuery.JqGrid

{

    /// <summary>

    /// jqGrid column parameters description.

    /// </summary>

    public class JqGridColumnModel

    {

        #region Properties

        /// <summary>

        /// Gets or sets the alignment of the cell in the body layer (default JqGridAligns.Left)

        /// </summary>

        public JqGridAlignments Alignment { get; set; }



        /// <summary>

        /// Gets or sets additional CSS classes for the column (separated by space).

        /// </summary>

        public string Classes { get; set; }



        /// <summary>

        /// Gets or set the value defining if this column can be edited.

        /// </summary>

        public bool? Editable { get; set; }



        /// <summary>

        /// Gets or sets the options for editable column.

        /// </summary>

        public JqGridColumnEditOptions EditOptions { get; set; }



        /// <summary>

        /// Gets or sets the rules for editable column.

        /// </summary>

        public JqGridColumnEditRules EditRules { get; set; }



        /// <summary>

        /// Gets or sets the type for editable column.

        /// </summary>

        public JqGridColumnEditTypes? EditType { get; set; }



        /// <summary>

        /// Gets or sets the value which defines if internal recalculation of the width of the column is disabled (default false).

        /// </summary>

        public bool? Fixed { get; set; }



        /// <summary>

        /// Gets or sets the predefined formatter type ('' delimited string) or custom JavaScript formatting function name.

        /// </summary>

        public string Formatter { get; set; }



        /// <summary>

        /// Gets or sets the options for predefined formatter (every predefined formatter uses only a subset of all options), which are overwriting the defaults from the language file.

        /// </summary>

        public JqGridColumnFormatterOptions FormatterOptions { get; set; }



        /// <summary>

        /// Get or sets additional, used in form editing, options for editable column.

        /// </summary>

        public JqGridColumnFormOptions FormOptions { get; set; }



        /// <summary>

        /// Gets or sets the value which defines if this column is hidden at initialization (default false).

        /// </summary>

        public bool Hidden { get; set; }



        /// <summary>

        /// Gets or sets the sorting order for first column sorting.

        /// </summary>

        public JqGridSortingOrders? InitialSortingOrder { get; set; }



        /// <summary>

        /// Gets or sets the value which defines if column can be resized (default true).

        /// </summary>

        public bool? Resizable { get; set; }



        /// <summary>

        /// Gets or sets the value defining if this column can be searched.

        /// </summary>

        public bool? Searchable { get; set; }



        /// <summary>

        /// Gets or sets the options for searchable column.

        /// </summary>

        public JqGridColumnSearchOptions SearchOptions { get; set; }



        /// <summary>

        /// Gets or sets the type of the search field for the column.

        /// </summary>

        public JqGridColumnSearchTypes? SearchType { get; set; }



        /// <summary>

        /// Gets or sets the grouping summary type.

        /// </summary>

        public JqGridColumnSummaryTypes? SummaryType { get; set; }



        /// <summary>

        /// Gets or sets the grouping summary template.

        /// </summary>

        public string SummaryTemplate { get; set; }



        /// <summary>

        /// Gets or sets the grouping summary function for custom type.

        /// </summary>

        public string SummaryFunction { get; set; }



        /// <summary>

        /// Gets or sets the value defining if this column can be sorted.

        /// </summary>

        public bool? Sortable { get; set; }



        /// <summary>

        /// Gets or sets the index name for sorting and searching (default String.Empty)

        /// </summary>

        public string Index { get; set; }



        /// <summary>

        /// Gets the unique name for the column.

        /// </summary>

        public string Name { get; private set; }



        /// <summary>

        /// Gets or sets the custom function to "unformat" a value of the cell when used in editing or client-side sorting

        /// </summary>

        public string UnFormatter { get; set; }



        /// <summary>

        /// Gets or sets the initial width in pixels of the column (default 150).

        /// </summary>

        public int? Width { get; set; }

        #endregion



        #region Constructor

        /// <summary>

        /// Initializes a new instance of the JqGridColumnModel class.

        /// </summary>

        /// <param name="name">The unique name for the column.</param>

        public JqGridColumnModel(string name)

        {

            SummaryType = null;

            SummaryTemplate = "{0}";

            SummaryFunction = null;



            Index = String.Empty;

            Name = name;

            Alignment = JqGridAlignments.Left;

            Hidden = false;

        }



        internal JqGridColumnModel(ModelMetadata propertyMetadata)

        {

            IEnumerable<object> customAttributes  = propertyMetadata.ContainerType.GetProperty(propertyMetadata.PropertyName).GetCustomAttributes(true).AsEnumerable();



            JqGridColumnLayoutAttribute columnLayoutAttribute = customAttributes.OfType<JqGridColumnLayoutAttribute>().FirstOrDefault();

            if (columnLayoutAttribute != null)

            {

                Alignment = columnLayoutAttribute.Alignment;

                Classes = columnLayoutAttribute.Classes;

                Fixed = columnLayoutAttribute.Fixed;

                Resizable = columnLayoutAttribute.Resizable;

                Width = columnLayoutAttribute.Width;

            }

            else

                Alignment = JqGridAlignments.Left;



            JqGridColumnFormatterAttribute columnFormatterAttribute = customAttributes.OfType<JqGridColumnFormatterAttribute>().FirstOrDefault();

            if (columnFormatterAttribute != null)

            {

                Formatter = columnFormatterAttribute.Formatter;

                FormatterOptions = columnFormatterAttribute.FormatterOptions;

                UnFormatter = columnFormatterAttribute.UnFormatter;

            }



            JqGridColumnSortableAttribute columnSortableAttribute = customAttributes.OfType<JqGridColumnSortableAttribute>().FirstOrDefault();

            if (columnSortableAttribute != null)

            {

                InitialSortingOrder = columnSortableAttribute.InitialSortingOrder;

                Sortable = columnSortableAttribute.Sortable;

                Index = columnSortableAttribute.Index;

            }



            JqGridColumnSearchableAttribute columnSearchableAttribute = customAttributes.OfType<JqGridColumnSearchableAttribute>().FirstOrDefault();

            if (columnSearchableAttribute != null)

            {

                Searchable = columnSearchableAttribute.Searchable;

                if (Searchable.Value)

                {

                    SearchOptions = columnSearchableAttribute.SearchOptions;

                    SearchType = columnSearchableAttribute.SearchType;



                    if (SearchType == JqGridColumnSearchTypes.Select)

                        SearchOptions.DataUrl = columnSearchableAttribute.DataUrl;

                }

            }



            JqGridColumnEditableAttribute columnEditableAttribute = customAttributes.OfType<JqGridColumnEditableAttribute>().FirstOrDefault();

            if (columnEditableAttribute != null)

            {

                Editable = columnEditableAttribute.Editable;

                if (Editable.Value)

                {

                    EditOptions = columnEditableAttribute.EditOptions;

                    EditRules = columnEditableAttribute.EditRules;

                    EditType = columnEditableAttribute.EditType;

                    FormOptions = columnEditableAttribute.FormOptions;



                    if ((propertyMetadata.ModelType == typeof(Int16)) || (propertyMetadata.ModelType == typeof(Int32)) || (propertyMetadata.ModelType == typeof(Int64)) || (propertyMetadata.ModelType == typeof(UInt16)) || (propertyMetadata.ModelType == typeof(UInt32)) || (propertyMetadata.ModelType == typeof(UInt32)))

                        EditRules.Integer = true;

                    else if ((propertyMetadata.ModelType == typeof(Decimal)) || (propertyMetadata.ModelType == typeof(Double)) || (propertyMetadata.ModelType == typeof(Single)))

                        EditRules.Number = true;



                    RequiredAttribute requiredAttribute = customAttributes.OfType<RequiredAttribute>().FirstOrDefault();

                    if (requiredAttribute != null)

                        EditRules.Required = true;



                    RangeAttribute rangeAttribute = customAttributes.OfType<RangeAttribute>().FirstOrDefault();

                    if (rangeAttribute != null)

                    {

                        EditRules.MaxValue = Convert.ToDouble(rangeAttribute.Maximum);

                        EditRules.MinValue = Convert.ToDouble(rangeAttribute.Minimum);

                    }



                    if (EditType == JqGridColumnEditTypes.Select)

                        EditOptions.DataUrl = columnEditableAttribute.DataUrl;



                    StringLengthAttribute stringLengthAttribute = customAttributes.OfType<StringLengthAttribute>().FirstOrDefault();

                    if (stringLengthAttribute != null)

                        EditOptions.MaximumLength = stringLengthAttribute.MaximumLength;

                }

            }



            SummaryType = propertyMetadata.GetColumnSummaryType();

            SummaryTemplate = propertyMetadata.GetColumnSummaryTemplate();

            SummaryFunction = propertyMetadata.GetColumnSummaryFunction();



            Name = propertyMetadata.PropertyName;



            if (String.IsNullOrWhiteSpace(Index))

                Index = propertyMetadata.PropertyName;



            if (!String.IsNullOrWhiteSpace(propertyMetadata.TemplateHint) && propertyMetadata.TemplateHint.Equals("HiddenInput"))

                Hidden = true;

            else

                Hidden = false;

        }

        #endregion

    }

}