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* paste-cells poc * paste-cell poc * paste-cells poc * Paste Table Cells command * Paste Table Cells command, v3.27 * Paste Table Cells command
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,238 @@ | ||
| //************************************************************************************************ | ||
| // Copyright © 2021 Steven M Cohn. All rights reserved. | ||
| //************************************************************************************************ | ||
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| namespace River.OneMoreAddIn.Commands | ||
| { | ||
| using River.OneMoreAddIn.Models; | ||
| using System; | ||
| using System.Linq; | ||
| using System.Threading.Tasks; | ||
| using System.Windows.Forms; | ||
| using System.Xml.Linq; | ||
| using Hap = HtmlAgilityPack; | ||
| using Resx = River.OneMoreAddIn.Properties.Resources; | ||
| using Win = System.Windows; | ||
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| /// <summary> | ||
| /// Paste the copied cells into the target table, overlaying cells rather than inserting | ||
| /// a nested table. The target table is expanded with extra rows or columns as needed. | ||
| /// </summary> | ||
| internal class PasteCellsCommand : Command | ||
| { | ||
| private OneNote one; | ||
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| public PasteCellsCommand() | ||
| { | ||
| } | ||
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| public override async Task Execute(params object[] args) | ||
| { | ||
| using (one = new OneNote(out var page, out var ns)) | ||
| { | ||
| // make sure cursor is positioned in a target table... | ||
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| var targetRoot = GetTargetTableRoot(page, ns); | ||
| if (targetRoot == null) | ||
| { | ||
| return; | ||
| } | ||
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| var table = new Table(targetRoot); | ||
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| // anchor is the upper-left cell into which pasting will begin | ||
| var anchor = table.GetSelectedCells(out _).FirstOrDefault(); | ||
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| if (anchor == null) | ||
| { | ||
| logger.WriteLine("could not find anchor cell"); | ||
| UIHelper.ShowInfo(one.Window, "could not find anchor cell; this shouldn't happen!"); | ||
| return; | ||
| } | ||
|
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| // get the content to paste... | ||
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| var spage = await GetSourcePage(); | ||
| if (spage == null) | ||
| { | ||
| UIHelper.ShowInfo(one.Window, Resx.PasteCellsCommand_NoContent); | ||
| return; | ||
| } | ||
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| var source = GetSourceTable(spage); | ||
| if (source == null) | ||
| { | ||
| UIHelper.ShowInfo(one.Window, Resx.PasteCellsCommand_NoContent); | ||
| return; | ||
| } | ||
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| var mapping = page.MergeQuickStyles(spage); | ||
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| EnsureRoom(table, anchor, source); | ||
|
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| // paste... | ||
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| for (int r = 0, row = anchor.RowNum - 1; r < source.RowCount; r++, row++) | ||
| { | ||
| for (int c = 0, col = anchor.ColNum - 1; c < source.ColumnCount; c++, col++) | ||
| { | ||
| table[row][col].SetContent(source[r][c].GetContent()); | ||
| page.ApplyStyleMapping(mapping, table[row][col].Root); | ||
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| var shading = source[r][c].ShadingColor; | ||
| if (shading != null) | ||
| { | ||
| table[row][col].ShadingColor = shading; | ||
| } | ||
| } | ||
| } | ||
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| await one.Update(page); | ||
| } | ||
| } | ||
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| private XElement GetTargetTableRoot(Page page, XNamespace ns) | ||
| { | ||
| // Find first selected cell as anchor point to locate table; by filtering on | ||
| // selected=all, we avoid including the parent table of a selected nested table. | ||
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| var cell = page.Root.Descendants(ns + "Cell") | ||
| // first dive down to find the selected T | ||
| .Elements(ns + "OEChildren").Elements(ns + "OE") | ||
| .Elements(ns + "T") | ||
| .Where(e => e.Attribute("selected")?.Value == "all") | ||
| // now move back up to the Cell | ||
| .Select(e => e.Parent.Parent.Parent) | ||
| .FirstOrDefault(); | ||
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| if (cell == null) | ||
| { | ||
| UIHelper.ShowInfo(one.Window, Resx.PasteCellsCommand_SelectCell); | ||
| return null; | ||
| } | ||
|
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| var root = cell.Ancestors(ns + "Table").FirstOrDefault(); | ||
| if (root == null) | ||
| { | ||
| logger.WriteLine("error finding <one:Table>"); | ||
| UIHelper.ShowInfo(one.Window, "error finding <one:Table>; this shouldn't happen!"); | ||
| return null; | ||
| } | ||
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| return root; | ||
| } | ||
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| private async Task<Page> GetSourcePage() | ||
| { | ||
| // the Clipboard will contain HTML of the copied cells wrapped in a <table> | ||
| var content = await SingleThreaded.Invoke(() => | ||
| { | ||
| return Win.Clipboard.ContainsText(Win.TextDataFormat.Html) | ||
| ? Win.Clipboard.GetText(Win.TextDataFormat.Html) | ||
| : null; | ||
| }); | ||
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| if (string.IsNullOrEmpty(content)) | ||
| { | ||
| return null; | ||
| } | ||
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| if (!ValidateClipboardContent(content)) | ||
| { | ||
| return null; | ||
| } | ||
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| return await CreateTemplatePage(); | ||
| } | ||
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| private Table GetSourceTable(Page page) | ||
| { | ||
| var element = page.Root.Descendants(page.Namespace + "Table").FirstOrDefault(); | ||
| if (element == null) | ||
| { | ||
| return null; | ||
| } | ||
|
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| return new Table(element); | ||
| } | ||
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| private bool ValidateClipboardContent(string content) | ||
| { | ||
| var index = content.IndexOf("<html"); | ||
| if (index < 0) | ||
| { | ||
| return false; | ||
| } | ||
|
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| try | ||
| { | ||
| var html = content.Substring(index); | ||
| var doc = new Hap.HtmlDocument(); | ||
| doc.LoadHtml(html); | ||
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| var table = doc.DocumentNode.SelectSingleNode("//body//table"); | ||
| if (table == null) | ||
| { | ||
| logger.WriteLine("no <table> found in content"); | ||
| return false; | ||
| } | ||
| } | ||
| catch (Exception exc) | ||
| { | ||
| logger.WriteLine("error parsing clipboard content", exc); | ||
| return false; | ||
| } | ||
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| return true; | ||
| } | ||
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| private async Task<Page> CreateTemplatePage() | ||
| { | ||
| // use a temporary scratch page to convert the HTML into OneNote XML by pasting the | ||
| // HTML contents of the clipboard and let OneNote do its magic... | ||
|
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| var currentPageId = one.CurrentPageId; | ||
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| one.CreatePage(one.CurrentSectionId, out var pageId); | ||
| await one.NavigateTo(pageId); | ||
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| // since the Hotkey message loop is watching all input, explicitly setting | ||
| // focus on the OneNote main window provides a direct path for SendKeys | ||
| Native.SetForegroundWindow(one.WindowHandle); | ||
| SendKeys.SendWait("^(v)"); | ||
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| var page = one.GetPage(pageId); | ||
| one.DeleteHierarchy(pageId); | ||
|
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| await one.NavigateTo(currentPageId); | ||
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| return page; | ||
| } | ||
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| private void EnsureRoom(Table table, TableCell anchor, Table source) | ||
| { | ||
| var room = table.RowCount - anchor.RowNum + 1; | ||
| while (room < source.RowCount) | ||
| { | ||
| table.AddRow(); | ||
| room++; | ||
| } | ||
|
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| room = table.ColumnCount - anchor.ColNum + 1; | ||
| while (room < source.ColumnCount) | ||
| { | ||
| table.AddColumn(40); | ||
| room++; | ||
| } | ||
| } | ||
| } | ||
| } |
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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