lserp_cs_6.0/插件库/Lskj.Control/LabelComboxEdit.cs

/******************************
* 说明：自定义下拉选择框控件
* 创建人：龚宇超
* 创建日期：2017-08-07
* 修改人：
* 修改日期：
* 修改备注：
* 版本：1.0.0.0
******************************/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Controls;
using Lskj.Control.Model;

namespace Lskj.Control
{
    /// <summary>
    /// 自定义下拉选择框
    /// </summary>
    public partial class LabelComboxEdit : BaseUserControl
    {
        /// <summary>
        /// 数据源
        /// </summary>
        private List<ComboBoxModel> _sources = new List<ComboBoxModel>();
        /// <summary>
        /// 绑定ValueMember
        /// </summary>
        public string ValueMember = string.Empty;
        /// <summary>
        /// 隐藏值字段
        /// </summary>
        public string ValueField = string.Empty;
        /// <summary>
        /// 显示值字段
        /// </summary>
        public string TextField = string.Empty;
        /// <summary>
        /// 下拉选择框控件
        /// </summary>
        public ComboBoxEdit TextEdit { get { return txtEdit; } }
        /// <summary>
        /// 文本
        /// </summary>
        /// <value>The label.</value>
        public Label Label { get { return lblText; } }

        public LabelComboxEdit()
        {
            InitializeComponent();
        }


        /// <summary>
        /// <para>说明：设置控件显示文本</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="text">显示Lebel文本</param>
        public override string LabelText
        {
            get
            {
                return this.lblText.Text;
            }
            set
            {
                this.lblText.Text = value;
                if (FontSize > 0)
                {
                    this.plLeft.Dock = DockStyle.Left;
                    this.plLeft.AutoSize = false;
                    this.lblText.AutoSize = false;
                    this.lblText.Dock = System.Windows.Forms.DockStyle.Fill;
                    this.lblText.Location = new System.Drawing.Point(0, 0);
                    this.lblText.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
                    this.txtEdit.Properties.AutoHeight = false;
                    this.plLeft.Width = value.Length * GetCharWidth();

                    GetCharWidthMultilingual(this.lblText, this.lblText.Text, this.plLeft);
                }
                else
                {
                    this.plLeft.Width = this.lblText.Width + PaddingLeft;
                }
            }
        }
        /// <summary>
        /// 字体大小
        /// </summary>
        /// <value>The size of the control.</value>
        public override float FontSize
        {
            get
            {
                return base.FontSize;
            }
            set
            {
                base.FontSize = value;
                if (value > 0)
                {
                    this.lblText.Font = new Font(this.lblText.Font.FontFamily, value);
                    this.TextEdit.Font = new Font(this.TextEdit.Font.FontFamily, value);
                }
            }
        }
        /// <summary>
        /// <para>说明：设置控件显示值</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        public override string EditText
        {
            get
            {
                return txtEdit.Text;
            }
            set
            {
                
                ComboBoxModel item = ValueMember.Equals(ValueField)
                    ? this._sources.FirstOrDefault(x => x.RowItem[x.ValueMember] + "" == value + "")
                    : this._sources.FirstOrDefault(x => x.RowItem[x.DisplayMember] + "" == value + "");

                if (item != null)
                {
                    txtEdit.SelectedItem = item;
                }
                else
                {
                    txtEdit.EditValue = null;
                }
            }
        }
        /// <summary>
        /// 获取隐藏值
        /// </summary>
        /// <value>The edit value.</value>
        public string EditValue
        {
            get
            {
                ComboBoxModel model = this.txtEdit.SelectedItem as ComboBoxModel;
                if (model != null)
                {
                    return ValueMember.Equals(ValueField)
                           ? model.RowItem[model.ValueMember] + ""
                           : model.RowItem[model.DisplayMember] + "";
                }
                else
                {
                    return string.Empty;
                }
            }
        }
        /// <summary>
        /// <para>说明：设置控件提示文本</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-07 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns>返回控件值</returns>
        public override string NullText
        {
            get
            {
                return this.txtEdit.Properties.NullText;

            }
            set
            {
                this.txtEdit.Properties.NullText = value;
            }
        }
        /// <summary>
        /// 只读文本颜色
        /// </summary>
        /// <value>The color of the read only label.</value>
        public override bool ReadOnly
        {
            get
            {
                return base.ReadOnly;
            }
            set
            {
                base.ReadOnly = value;
                this.txtEdit.Properties.ReadOnly = value;
                this.lblText.ForeColor = value ? base.ReadOnlyLabelForceColor : Required ? base.RequiredLabelForceColor : base.DefaultLabelForceColor;
            }
        }
        /// <summary>
        /// 必填文本颜色
        /// </summary>
        /// <value>The color of the required label.</value>
        public override bool Required
        {
            get
            {
                return base.Required;
            }
            set
            {
                base.Required = value;
                if (value)
                {
                    this.lblText.ForeColor = base.RequiredLabelForceColor;
                }
            }
        }
        /// <summary>
        /// <para>说明：需要单独验证是否修改</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-11-08 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns><c>true</c> if this instance is update; otherwise, <c>false</c>.</returns>
        public override bool IsUpdate()
        {
            if (Model.FieldType == ControlType.LabComboxValue ||
                Model.FieldType == ControlType.LabAutoCompleteValueParam)
            {
                return !this.Model.Text.Equals(this.EditValue, StringComparison.OrdinalIgnoreCase);
            }
            else
            {
                return base.IsUpdate();
            }
        }
        /// <summary>
        /// <para>说明：设置数据源</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2017-08-08 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：