/******************************
* 说明：自定义备注框
* 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 System.IO;
namespace Lskj.Control
{
///
/// 自定义备注框
///
public partial class LabelRemarkEdit : BaseUserControl
{
///
/// 当 lasttext 为空（清空）时触发。
///
public event EventHandler LastTextEmpty;
///
/// 文本控件
///
public MemoEdit TextEdit { get { return txtEdit; } }
///
/// 存储文件地址（用于保存上传）
///
public string filepath;
///
/// 存储原文件名
///
public string lasttext;
///
/// 是否变更新增
///
public bool changeAdd;
public LabelRemarkEdit()
{
InitializeComponent();
}
public void BandAllowDrop()
{
txtEdit.AllowDrop = true;
txtEdit.DragEnter += OnDragEnter;
txtEdit.DragDrop += OnDragDrop;
}
///
/// 拖拽完成触发
///
///
///
private void OnDragDrop(object sender, DragEventArgs e)
{
var file = ((string[])e.Data.GetData(DataFormats.FileDrop))[0];
string filename = Path.GetFileName(file);
if (!string.IsNullOrEmpty(lasttext) && string.Equals(lasttext, filename, StringComparison.OrdinalIgnoreCase))
{
MessageUtil.Show("检测到更改文件和原文件完全一样！");
}
else
{
string prefix1 = GetPrefixBeforeLastS(filename, StringComparison.OrdinalIgnoreCase);
string prefix2 = GetPrefixBeforeLastS(lasttext, StringComparison.OrdinalIgnoreCase);
if (!string.IsNullOrEmpty(lasttext) && !string.Equals(prefix1, prefix2, StringComparison.OrdinalIgnoreCase))
{
MessageUtil.Show("检测到更改文件和原文件不匹配！");
}
else
{
txtEdit.Text = filename;
this.filepath = file;
OnLastTextEmpty();
}
}
}
///
/// 拖拽为空触发回调
///
protected virtual void OnLastTextEmpty()
{
LastTextEmpty?.Invoke(this, EventArgs.Empty);
}
///
/// 取出最后一次出现 "-S" 之前的部分（不含扩展名）
///
private static string GetPrefixBeforeLastS(string fileName, StringComparison comp)
{
if (string.IsNullOrEmpty(fileName)) return string.Empty;
// 1) 去掉扩展名
int dot = fileName.LastIndexOf('.');
string noExt = dot >= 0 ? fileName.Substring(0, dot) : fileName;
// 2) 找最后一次出现 "-S"
int pos = noExt.LastIndexOf("-S", comp);
return pos >= 0 ? noExt.Substring(0, pos) : noExt;
}
///
/// 说明：移动到目标表格
/// 创建人：龚宇超
/// 创建日期：2017-11-13
/// 修改人：
/// 修改日期：
/// 修改备注：
/// 版本：1.0
///
/// The source of the event.
/// The instance containing the event data.
protected void OnDragEnter(object sender, System.Windows.Forms.DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop) &&
((string[])e.Data.GetData(DataFormats.FileDrop)).Length == 1)
e.Effect = DragDropEffects.Copy;
else
e.Effect = DragDropEffects.None;
}
///
/// 说明：设置控件显示文本
/// 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
///
/// 显示Lebel文本
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
{
Graphics g = this.lblText.CreateGraphics();
SizeF sizeF = g.MeasureString(value, this.lblText.Font);
this.plLeft.Width = (int)sizeF.Width + PaddingLeft;
}
}
}
///
/// 字体大小
///
/// The size of the control.
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);
}
}
}
///
/// 说明：设置控件值
/// 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
///
public override string EditText
{
get
{
return this.txtEdit.Text;
}
set
{
//this.txtEdit.Text = value;
this.txtEdit.Text = NormalizeMemoText(value);
}
}
///
/// 处理换行 （\n的换行不会生效，必须要\r\n才行。这里会把\n转成\r\n）
///
///
///
private static string NormalizeMemoText(string value)
{
if (string.IsNullOrEmpty(value)) return value;
return value
.Replace("\r\n", "\n") // 先把 CRLF 压成 LF
.Replace("\r", "\n") // 再把单独 CR 压成 LF
.Replace("\n", Environment.NewLine); // 最后统一成 Windows CRLF
}
///
/// 说明：设置控件提示文本
/// 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
///
/// 返回控件值
public override string NullText
{
get
{
return this.txtEdit.Properties.NullValuePrompt;
}
set
{
if (!string.IsNullOrEmpty(value))
{
this.TextEdit.Properties.NullValuePromptShowForEmptyValue = true;
this.TextEdit.Properties.NullValuePrompt = value;
}
base.NullText = value;
}
}
///
/// 只读文本颜色
///
/// The color of the read only label.
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;
}
}
///
/// 必填文本颜色
///
/// The color of the required label.
public override bool Required
{
get
{
return base.Required;
}
set
{
base.Required = value;
if (value)
{
this.lblText.ForeColor = base.RequiredLabelForceColor;
}
}
}
///
/// 背景颜色
///
/// The color of the required label.
public override Color BackgroundColor
{
get
{
return TextEdit.Properties.Appearance.BackColor;
}
set
{
TextEdit.Properties.Appearance.BackColor = value;
}
}
///
/// 前景颜色
///
/// The color of the required label.
public override Color ForeColor
{
get
{
return TextEdit.Properties.Appearance.ForeColor;
}
set
{
TextEdit.Properties.Appearance.ForeColor = value;
}
}
///
/// 内容加粗
///
/// The color of the required label.
public override bool ContentBold
{
get
{
return TextEdit.Properties.Appearance.Font.Bold;
}
set
{
Font oldFont = TextEdit.Properties.Appearance.Font;
TextEdit.Properties.Appearance.Font = new Font(oldFont.FontFamily, oldFont.Size, value ? FontStyle.Bold : FontStyle.Regular);
}
}
}
}