75 lines
2.7 KiB
C#
75 lines
2.7 KiB
C#
using System.Collections.Generic;
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using System.Diagnostics;
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using System.Windows.Controls;
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using System.Windows.Input;
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namespace ExtendedGrid.Base
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{
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public class CopyDg : CustomDg
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{
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static CopyDg()
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{
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CommandManager.RegisterClassCommandBinding(
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typeof (CopyDg),
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new CommandBinding(ApplicationCommands.Paste,
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OnExecutedPaste,
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OnCanExecutePaste));
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}
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#region Clipboard Paste
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private static void OnCanExecutePaste(object target, CanExecuteRoutedEventArgs args)
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{
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((CopyDg) target).OnCanExecutePaste(args);
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}
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/// <summary>
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/// This virtual method is called when ApplicationCommands.Paste command query its state.
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/// </summary>
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/// <param name="args"></param>
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protected virtual void OnCanExecutePaste(CanExecuteRoutedEventArgs args)
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{
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args.CanExecute = true;
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args.Handled = true;
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}
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private static void OnExecutedPaste(object target, ExecutedRoutedEventArgs args)
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{
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((CopyDg) target).OnExecutedPaste(args);
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}
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/// <summary>
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/// This virtual method is called when ApplicationCommands.Paste command is executed.
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/// </summary>
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/// <param name="args"></param>
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protected virtual void OnExecutedPaste(ExecutedRoutedEventArgs args)
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{
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Debug.WriteLine("OnExecutedPaste begin");
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// parse the clipboard data
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List<string[]> rowData = Classes.ClipboardHelper.ParseClipboardData();
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// call OnPastingCellClipboardContent for each cell
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int minRowIndex = Items.IndexOf(CurrentItem);
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int maxRowIndex = Items.Count - 1;
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int minColumnDisplayIndex = (SelectionUnit != DataGridSelectionUnit.FullRow)
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? Columns.IndexOf(CurrentColumn)
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: 0;
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int maxColumnDisplayIndex = Columns.Count - 1;
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int rowDataIndex = 0;
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for (int i = minRowIndex; i <= maxRowIndex && rowDataIndex < rowData.Count; i++, rowDataIndex++)
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{
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int columnDataIndex = 0;
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for (int j = minColumnDisplayIndex;
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j <= maxColumnDisplayIndex && columnDataIndex < rowData[rowDataIndex].Length;
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j++, columnDataIndex++)
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{
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DataGridColumn column = ColumnFromDisplayIndex(j);
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column.OnPastingCellClipboardContent(Items[i], rowData[rowDataIndex][columnDataIndex]);
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}
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}
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}
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#endregion Clipboard Paste
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}
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}
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