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Status icons now copy paste correctly as text
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,259 @@ | ||
| // ----------------------------------------------------------------------- | ||
| // <copyright file="DataGridViewImageWithAltTextCell.cs" company="Peter Chapman"> | ||
| // Copyright 2018 Peter Chapman. See LICENCE.md for licence details. | ||
| // </copyright> | ||
| // ----------------------------------------------------------------------- | ||
|
|
||
| namespace MySqlTuner | ||
| { | ||
| using System; | ||
| using System.Globalization; | ||
| using System.IO; | ||
| using System.Text; | ||
| using System.Windows.Forms; | ||
|
|
||
| /// <summary> | ||
| /// Provides alternate text for copying to the clipboard. | ||
| /// </summary> | ||
| /// <seealso cref="System.Windows.Forms.DataGridViewImageCell" /> | ||
| public class DataGridViewImageWithAltTextCell : DataGridViewImageCell | ||
| { | ||
| /// <summary> | ||
| /// Gets or sets the alternate text. | ||
| /// </summary> | ||
| /// <value> | ||
| /// The alternate text. | ||
| /// </value> | ||
| public string AltText { get; set; } | ||
|
|
||
| /// <summary> | ||
| /// Retrieves the formatted value of the cell to copy to the <see cref="T:System.Windows.Forms.Clipboard" />. | ||
| /// </summary> | ||
| /// <param name="rowIndex">The zero-based index of the row containing the cell.</param> | ||
| /// <param name="firstCell"><see langword="true" /> to indicate that the cell is in the first column of the region defined by the selected cells; otherwise, <see langword="false" />.</param> | ||
| /// <param name="lastCell"><see langword="true" /> to indicate that the cell is the last column of the region defined by the selected cells; otherwise, <see langword="false" />.</param> | ||
| /// <param name="inFirstRow"><see langword="true" /> to indicate that the cell is in the first row of the region defined by the selected cells; otherwise, <see langword="false" />.</param> | ||
| /// <param name="inLastRow"><see langword="true" /> to indicate that the cell is in the last row of the region defined by the selected cells; otherwise, <see langword="false" />.</param> | ||
| /// <param name="format">The current format string of the cell.</param> | ||
| /// <returns> | ||
| /// An <see cref="T:System.Object" /> that represents the value of the cell to copy to the <see cref="T:System.Windows.Forms.Clipboard" />. | ||
| /// </returns> | ||
| /// <exception cref="ArgumentOutOfRangeException">rowIndex</exception> | ||
| protected override object GetClipboardContent(int rowIndex, bool firstCell, bool lastCell, bool inFirstRow, bool inLastRow, string format) | ||
| { | ||
| if (this.DataGridView == null) | ||
| { | ||
| return null; | ||
| } | ||
|
|
||
| // Header Cell classes override this implementation - this implementation is only for inner cells | ||
| if (rowIndex < 0 || rowIndex >= this.DataGridView.Rows.Count) | ||
| { | ||
| throw new ArgumentOutOfRangeException(nameof(rowIndex)); | ||
| } | ||
|
|
||
| StringBuilder sb = new StringBuilder(64); | ||
| if (string.Equals(format, DataFormats.Html, StringComparison.OrdinalIgnoreCase)) | ||
| { | ||
| if (firstCell) | ||
| { | ||
| if (inFirstRow) | ||
| { | ||
| sb.Append("<TABLE>"); | ||
| } | ||
|
|
||
| sb.Append("<TR>"); | ||
| } | ||
|
|
||
| sb.Append("<TD>"); | ||
| if (!string.IsNullOrEmpty(this.AltText)) | ||
| { | ||
| FormatPlainTextAsHtml(this.AltText, new StringWriter(sb, CultureInfo.CurrentCulture)); | ||
| } | ||
| else | ||
| { | ||
| sb.Append(" "); | ||
| } | ||
|
|
||
| sb.Append("</TD>"); | ||
| if (lastCell) | ||
| { | ||
| sb.Append("</TR>"); | ||
| if (inLastRow) | ||
| { | ||
| sb.Append("</TABLE>"); | ||
| } | ||
| } | ||
|
|
||
| return sb.ToString(); | ||
| } | ||
| else | ||
| { | ||
| bool csv = string.Equals(format, DataFormats.CommaSeparatedValue, StringComparison.OrdinalIgnoreCase); | ||
| if (csv || | ||
| string.Equals(format, DataFormats.Text, StringComparison.OrdinalIgnoreCase) || | ||
| string.Equals(format, DataFormats.UnicodeText, StringComparison.OrdinalIgnoreCase)) | ||
| { | ||
| if (!string.IsNullOrEmpty(this.AltText)) | ||
| { | ||
| if (firstCell && lastCell && inFirstRow && inLastRow) | ||
| { | ||
| sb.Append(this.AltText); | ||
| } | ||
| else | ||
| { | ||
| bool escapeApplied = false; | ||
| int insertionPoint = sb.Length; | ||
| FormatPlainText(this.AltText, csv, new StringWriter(sb, CultureInfo.CurrentCulture), ref escapeApplied); | ||
| if (escapeApplied) | ||
| { | ||
| sb.Insert(insertionPoint, '"'); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if (lastCell) | ||
| { | ||
| if (!inLastRow) | ||
| { | ||
| sb.Append((char)Keys.Return); | ||
| sb.Append((char)Keys.LineFeed); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| sb.Append(csv ? ',' : (char)Keys.Tab); | ||
| } | ||
|
|
||
| return sb.ToString(); | ||
| } | ||
| else | ||
| { | ||
| return null; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Formats the plain text. | ||
| /// </summary> | ||
| /// <param name="s">The text.</param> | ||
| /// <param name="csv">If set to <c>true</c> format as CSV.</param> | ||
| /// <param name="output">The output.</param> | ||
| /// <param name="escapeApplied">If set to <c>true</c> escape was applied.</param> | ||
| private static void FormatPlainText(string s, bool csv, TextWriter output, ref bool escapeApplied) | ||
| { | ||
| if (s == null) | ||
| { | ||
| return; | ||
| } | ||
|
|
||
| int cb = s.Length; | ||
| for (int i = 0; i < cb; i++) | ||
| { | ||
| char ch = s[i]; | ||
| switch (ch) | ||
| { | ||
| case '"': | ||
| if (csv) | ||
| { | ||
| output.Write("\"\""); | ||
| escapeApplied = true; | ||
| } | ||
| else | ||
| { | ||
| output.Write('"'); | ||
| } | ||
|
|
||
| break; | ||
| case ',': | ||
| if (csv) | ||
| { | ||
| escapeApplied = true; | ||
| } | ||
|
|
||
| output.Write(','); | ||
| break; | ||
| case '\t': | ||
| if (!csv) | ||
| { | ||
| output.Write(' '); | ||
| } | ||
| else | ||
| { | ||
| output.Write('\t'); | ||
| } | ||
|
|
||
| break; | ||
| default: | ||
| output.Write(ch); | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (escapeApplied) | ||
| { | ||
| output.Write('"'); // terminating double-quote. | ||
| // the caller is responsible for inserting the opening double-quote. | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Formats the plain text as HTML. | ||
| /// </summary> | ||
| /// <param name="s">The text.</param> | ||
| /// <param name="output">The output.</param> | ||
| private static void FormatPlainTextAsHtml(string s, TextWriter output) | ||
| { | ||
| if (s == null) | ||
| { | ||
| return; | ||
| } | ||
|
|
||
| int cb = s.Length; | ||
| char prevCh = '\0'; | ||
|
|
||
| for (int i = 0; i < cb; i++) | ||
| { | ||
| char ch = s[i]; | ||
| switch (ch) | ||
| { | ||
| case '<': | ||
| output.Write("<"); | ||
| break; | ||
| case '>': | ||
| output.Write(">"); | ||
| break; | ||
| case '"': | ||
| output.Write("""); | ||
| break; | ||
| case '&': | ||
| output.Write("&"); | ||
| break; | ||
| case ' ': | ||
| if (prevCh == ' ') | ||
| { | ||
| output.Write(" "); | ||
| } | ||
| else | ||
| { | ||
| output.Write(ch); | ||
| } | ||
|
|
||
| break; | ||
| case '\r': | ||
| // Ignore \r, only handle \n | ||
| break; | ||
| case '\n': | ||
| output.Write("<br>"); | ||
| break; | ||
| default: | ||
| output.Write(ch); | ||
| break; | ||
| } | ||
|
|
||
| prevCh = ch; | ||
| } | ||
| } | ||
| } | ||
| } |
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