cyf
415 lines
13 KiB
C#
415 lines
13 KiB
C#
/******************************
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* 说明：自定义下拉选择框控件
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* 创建人：龚宇超
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* 创建日期：2017-08-07
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* 修改人：
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* 修改日期：
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* 修改备注：
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* 版本：1.0.0.0
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******************************/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using DevExpress.XtraEditors;
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using DevExpress.XtraEditors.Controls;
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using Lskj.Control.Model;
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using Lskj.Business.Impl;
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namespace Lskj.Control
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{
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/// <summary>
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/// 自定义下拉选择框
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/// </summary>
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public partial class LabelComboxEdit : BaseUserControl
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{
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/// <summary>
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/// 数据源
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/// </summary>
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private List<ComboBoxModel> _sources = new List<ComboBoxModel>();
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/// <summary>
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/// 绑定ValueMember
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/// </summary>
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public string ValueMember = string.Empty;
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/// <summary>
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/// 隐藏值字段
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/// </summary>
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public string ValueField = string.Empty;
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/// <summary>
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/// 显示值字段
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/// </summary>
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public string TextField = string.Empty;
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/// <summary>
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/// 下拉选择框控件
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/// </summary>
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public ComboBoxEdit TextEdit { get { return txtEdit; } }
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/// <summary>
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/// 文本
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/// </summary>
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/// <value>The label.</value>
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public Label Label { get { return lblText; } }
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/// <summary>
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/// The contro object
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/// </summary>
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public MyControl ControlObj;
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/// <summary>
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/// 数据源
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/// </summary>
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public string SourceSQL = string.Empty;
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/// <summary>
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/// 是否带参数
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/// </summary>
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public bool Isparameters = false;
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public LabelComboxEdit()
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{
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InitializeComponent();
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// 绑定事件
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txtEdit.QueryPopUp += TxtEdit_QueryPopUp;
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}
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private void TxtEdit_QueryPopUp(object sender, CancelEventArgs e)
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{
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this.RefreshData();
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}
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public void RefreshData()
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{
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if (Isparameters && !string.IsNullOrWhiteSpace(this.SourceSQL) && this.ControlObj != null)
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{
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string oldValue = this.EditValue;
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string sqlValue = this.ControlObj.ReplaceControlValue(this.SourceSQL);
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sqlValue = sqlValue.Replace("#", "");
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DataTable table = BaseImpl.GetDataTableResult(sqlValue);
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this.SetDataSource(table, true);
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this.EditText = oldValue;
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}
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}
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/// <summary>
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/// <para>说明：设置控件显示文本</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-08-07 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="text">显示Lebel文本</param>
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public override string LabelText
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{
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get
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{
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return this.lblText.Text;
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}
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set
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{
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this.lblText.Text = value;
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if (FontSize > 0)
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{
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this.plLeft.Dock = DockStyle.Left;
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this.plLeft.AutoSize = false;
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this.lblText.AutoSize = false;
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this.lblText.Dock = System.Windows.Forms.DockStyle.Fill;
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this.lblText.Location = new System.Drawing.Point(0, 0);
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this.lblText.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
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this.txtEdit.Properties.AutoHeight = false;
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this.txtEdit.Properties.AppearanceDropDown.Font = this.txtEdit.Properties.Appearance.Font;//下拉框里的字体和选中框中的保持一致
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this.plLeft.Width = value.Length * GetCharWidth();
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GetCharWidthMultilingual(this.lblText, this.lblText.Text, this.plLeft);
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}
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else
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{
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this.plLeft.Width = this.lblText.Width + PaddingLeft;
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}
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}
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}
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/// <summary>
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/// 字体大小
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/// </summary>
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/// <value>The size of the control.</value>
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public override float FontSize
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{
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get
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{
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return base.FontSize;
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}
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set
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{
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base.FontSize = value;
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if (value > 0)
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{
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this.lblText.Font = new Font(this.lblText.Font.FontFamily, value);
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this.TextEdit.Font = new Font(this.TextEdit.Font.FontFamily, value);
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}
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}
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}
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/// <summary>
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/// <para>说明：设置控件显示值</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-08-07 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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public override string EditText
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{
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get
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{
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return txtEdit.Text;
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}
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set
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{
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ComboBoxModel item = ValueMember.Equals(ValueField)
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? this._sources.FirstOrDefault(x => x.RowItem[x.ValueMember] + "" == value + "")
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: this._sources.FirstOrDefault(x => x.RowItem[x.DisplayMember] + "" == value + "");
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if (item != null)
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{
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txtEdit.SelectedItem = item;
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}
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else
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{
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txtEdit.EditValue = null;
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}
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}
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}
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/// <summary>
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/// 获取隐藏值
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/// </summary>
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/// <value>The edit value.</value>
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public string EditValue
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{
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get
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{
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ComboBoxModel model = this.txtEdit.SelectedItem as ComboBoxModel;
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if (model != null)
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{
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return ValueMember.Equals(ValueField)
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? model.RowItem[model.ValueMember] + ""
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: model.RowItem[model.DisplayMember] + "";
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}
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else
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{
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return string.Empty;
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}
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}
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}
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/// <summary>
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/// <para>说明：设置控件提示文本</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-08-07 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <returns>返回控件值</returns>
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public override string NullText
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{
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get
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{
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return this.txtEdit.Properties.NullText;
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}
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set
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{
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this.txtEdit.Properties.NullText = value;
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}
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}
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/// <summary>
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/// 只读文本颜色
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/// </summary>
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/// <value>The color of the read only label.</value>
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public override bool ReadOnly
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{
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get
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{
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return base.ReadOnly;
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}
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set
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{
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base.ReadOnly = value;
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this.txtEdit.Properties.ReadOnly = value;
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this.lblText.ForeColor = value ? base.ReadOnlyLabelForceColor : Required ? base.RequiredLabelForceColor : base.DefaultLabelForceColor;
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}
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}
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/// <summary>
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/// 必填文本颜色
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/// </summary>
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/// <value>The color of the required label.</value>
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public override bool Required
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{
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get
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{
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return base.Required;
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}
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set
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{
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base.Required = value;
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if (value)
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{
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this.lblText.ForeColor = base.RequiredLabelForceColor;
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}
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}
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}
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/// <summary>
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/// <para>说明：需要单独验证是否修改</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-11-08 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <returns><c>true</c> if this instance is update; otherwise, <c>false</c>.</returns>
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public override bool IsUpdate()
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{
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if (Model.FieldType == ControlType.LabComboxValue ||
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Model.FieldType == ControlType.LabAutoCompleteValueParam)
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{
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return !this.Model.Text.Equals(this.EditValue, StringComparison.OrdinalIgnoreCase);
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}
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else
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{
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return base.IsUpdate();
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}
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}
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/// <summary>
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/// <para>说明：设置数据源</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2017-08-08 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="dataSource">数据源</param>
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public void SetDataSource(DataTable dataSource)
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{
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SetDataSource(dataSource, false);
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}
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/// <summary>
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/// <para>说明：设置数据源</para>
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/// </summary>
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/// <param name="dataSource">数据源</param>
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/// <param name="clearBeforeBind">绑定前是否清空原数据源</param>
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public void SetDataSource(DataTable dataSource, bool clearBeforeBind)
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{
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try
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{
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if (clearBeforeBind)
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{
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ClearDataSource();
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}
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if (dataSource == null) return;
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foreach (DataRow item in dataSource.Rows)
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{
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ComboBoxModel model = new ComboBoxModel
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{
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ValueMember = ValueField,
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DisplayMember = TextField,
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RowItem = item
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};
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this._sources.Add(model);
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this.txtEdit.Properties.Items.Add(model);
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}
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}
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catch (Exception)
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{
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}
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}
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/// <summary>
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/// 清空下拉数据源和已选项，避免带参数下拉每次弹出重复追加。
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/// </summary>
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private void ClearDataSource()
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{
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this._sources.Clear();
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this.txtEdit.SelectedItem = null;
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this.txtEdit.EditValue = null;
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this.txtEdit.Properties.Items.Clear();
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}
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/// <summary>
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/// 背景颜色
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/// </summary>
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/// <value>The color of the required label.</value>
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public override Color BackgroundColor
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{
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get
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{
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return TextEdit.Properties.Appearance.BackColor;
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}
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set
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{
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TextEdit.Properties.Appearance.BackColor = value;
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}
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}
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/// <summary>
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/// 前景颜色
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/// </summary>
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/// <value>The color of the required label.</value>
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public override Color ForeColor
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{
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get
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{
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return TextEdit.Properties.Appearance.ForeColor;
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}
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set
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{
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TextEdit.Properties.Appearance.ForeColor = value;
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}
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}
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/// <summary>
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/// 内容加粗
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/// </summary>
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/// <value>The color of the required label.</value>
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public override bool ContentBold
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{
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get
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{
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return TextEdit.Properties.Appearance.Font.Bold;
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}
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set
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{
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Font oldFont = TextEdit.Properties.Appearance.Font;
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TextEdit.Properties.Appearance.Font = new Font(oldFont.FontFamily, oldFont.Size, value ? FontStyle.Bold : FontStyle.Regular);
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}
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}
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}
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class ComboBoxModel
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{
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public string ValueMember;
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public string DisplayMember;
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public DataRow RowItem;
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public override string ToString()
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{
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return this.RowItem[DisplayMember] + "";
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}
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}
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}
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