349 lines
21 KiB
C#
349 lines
21 KiB
C#
using System;
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using System.Drawing;
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using System.Windows.Forms;
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namespace DataTableParsingEngine
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{
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public class TableGroupParser
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{
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/// <summary>
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/// Paints rows according to their RowAttribute and detects whether or not they are part of a group.
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/// This function offers a faster method of determining all of this by starting at the row index that
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/// fired the row leave even. As opposed to the PaintRowGroups function which spins through all the
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/// DataGridView's rows.
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/// </summary>
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/// <param name="startingIndex">The starting index (the row that fired the RowLeave event)</param>
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/// <param name="dataGridView">The DataGridView to parse.</param>
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public static void PaintRowGroupsFromIndex(int startingIndex, DataGridView dataGridView)
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{
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//Underflow protection for the lazy.
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if (startingIndex < 0)
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{
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return;
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}
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var parser = new RowParser();
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int isHeaderColumn;
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int isMemberColumn;
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int isDirtyColumn;
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if (dataGridView.Columns.Count == Enum.GetNames(typeof(SalesTableColumns)).Length)
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{
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isHeaderColumn = (int)SalesTableColumns.IsHeaderRow;
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isMemberColumn = (int)SalesTableColumns.IsMemberRow;
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isDirtyColumn = (int)SalesTableColumns.IsDirty;
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}
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else
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{
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isHeaderColumn = (int)InventoryTableColumns.IsHeaderRow;
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isMemberColumn = (int)InventoryTableColumns.IsMemberRow;
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isDirtyColumn = (int)InventoryTableColumns.IsDirty;
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}
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//Spin through the dataGridView rows starting at the row that fired the event.
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for (var i = startingIndex; i < (dataGridView.RowCount - 1); i++)
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{
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//Get the status of the current row.
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var rowStatus = parser.GetRowAttribute(dataGridView.Rows[i]);
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//IF the current row is a header row...
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if (rowStatus == RowParser.RowAttribute.HeaderRow)
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{
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//Then check to see if the next row is a row header.
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rowStatus = parser.GetRowAttribute(dataGridView.Rows[i + 1]);
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//IF so, color code this row as White, since it is not a true group header.
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if (rowStatus == RowParser.RowAttribute.HeaderRow)
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{
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//Clear the current row of its attributes.
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = default(Color);
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return;
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}
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//IF the current row is not the first row in the data grid (index zero)...
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if (i > 0)
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{
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//The start by checking the previous row's status.
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rowStatus = parser.GetRowAttribute(dataGridView.Rows[i - 1]);
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//IF the previous row is a header row AND has color coding saying it is a group header, then clear the previous row's color and apply it to this row (i).
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if (rowStatus == RowParser.RowAttribute.HeaderRow && (bool)dataGridView.Rows[i - 1].Cells[isHeaderColumn].EditedFormattedValue)
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{
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//Clear the previous row of its attributes.
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dataGridView.Rows[i - 1].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i - 1].Cells[isMemberColumn].Value = false;
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//This condition means the user changed the members of a group, so the old header row needs to be updated in the database.
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dataGridView.Rows[i - 1].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i - 1].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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dataGridView.Rows[i - 1].DefaultCellStyle.BackColor = default(Color);
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//Check the next row to see if its a member row before declaring the current row a header row.
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rowStatus = parser.GetRowAttribute(dataGridView.Rows[i + 1]);
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if (rowStatus != RowParser.RowAttribute.MemberRow)
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{
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//Clear the coloring from the current row.
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = true;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = default(Color);
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return;
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}
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//Set the current row as a header row.
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = true;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = TableColors.HeaderRow;
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return;
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}
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//IF the previous row is a header row OR if the previous row is index zero AND a member row, clear its coloring.
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if (rowStatus == RowParser.RowAttribute.HeaderRow || rowStatus == RowParser.RowAttribute.MemberRow && (i - 1) == 0)
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{
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//Clear the previous row of its attributes.
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dataGridView.Rows[i - 1].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i - 1].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i - 1].DefaultCellStyle.BackColor = default(Color);
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}
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//Then check to see if the next row is a member row
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rowStatus = parser.GetRowAttribute(dataGridView.Rows[i + 1]);
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if (rowStatus == RowParser.RowAttribute.MemberRow)
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{
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//Set the current row and check for changes.
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if (!(bool)dataGridView.Rows[i].Cells[isHeaderColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = true;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = TableColors.HeaderRow;
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//Set the next row as a member row.
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if (!(bool)dataGridView.Rows[i + 1].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i + 1].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i + 1].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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dataGridView.Rows[i + 1].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i + 1].Cells[isMemberColumn].Value = true;
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dataGridView.Rows[i + 1].DefaultCellStyle.BackColor = TableColors.MemberRow;
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}
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//IF previous row is Incomplete, then call the stable PaintRowGroups function.
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else if (rowStatus == RowParser.RowAttribute.IncompleteRow)
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{
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//PaintRowGroups(dataGridView);
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}
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}
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else
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{
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//Then check to see if the next row is a member row
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rowStatus = parser.GetRowAttribute(dataGridView.Rows[i + 1]);
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if (rowStatus == RowParser.RowAttribute.MemberRow)
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{
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//Set the current row and check for changes.
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if (!(bool)dataGridView.Rows[i].Cells[isHeaderColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = true;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = TableColors.MemberRow;
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//Set the next row as a member row.
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if (!(bool)dataGridView.Rows[i + 1].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i + 1].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i + 1].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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dataGridView.Rows[i + 1].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i + 1].Cells[isMemberColumn].Value = true;
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dataGridView.Rows[i + 1].DefaultCellStyle.BackColor = TableColors.MemberRow;
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}
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}
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}
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else if (rowStatus == RowParser.RowAttribute.MemberRow)
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{
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if (i > 0)
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{
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//Check the previous row.
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rowStatus = parser.GetRowAttribute(dataGridView.Rows[i - 1]);
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//IF the previous row is a member row AND is the first row in the data grid, then remove the coloring from it and the current row (i).
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if (rowStatus == RowParser.RowAttribute.MemberRow && (i - 1) == 0)
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{
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//Clear the previous row of its attributes.
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dataGridView.Rows[i - 1].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i - 1].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i - 1].DefaultCellStyle.BackColor = default(Color);
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//Check for changes in the current row.
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if ((bool)dataGridView.Rows[i].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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//Clear the current row of its attributes.
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = default(Color);
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}
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//IF the previous row is a member row AND it also has color coding suggesting that it is a member of a group, then add the current row (i) as well.
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else if (rowStatus == RowParser.RowAttribute.MemberRow && (bool)dataGridView.Rows[i - 1].Cells[isMemberColumn].EditedFormattedValue)
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{
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//Check for changes in the current row.
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if (!(bool)dataGridView.Rows[i].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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//Set the current row as a member row.
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = true;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = TableColors.MemberRow;
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}
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//IF the previous row is simply a member row with no coloring at all, then remove the coloring from the current row (i).
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else if (rowStatus == RowParser.RowAttribute.MemberRow || rowStatus == RowParser.RowAttribute.AdSpecialRow)
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{
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//Check for changes in the current row.
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if ((bool)dataGridView.Rows[i].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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//Clear the current row of its attributes.
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = default(Color);
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}
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//IF the previous row is a header row, then color it as a group header and color the current row as a member of said group.
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else if (rowStatus == RowParser.RowAttribute.HeaderRow && !(bool)dataGridView.Rows[i - 1].Cells[isHeaderColumn].EditedFormattedValue)
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{
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//Set the previous row as a header row.
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if (!(bool)dataGridView.Rows[i - 1].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i - 1].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i - 1].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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dataGridView.Rows[i - 1].Cells[isHeaderColumn].Value = true;
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dataGridView.Rows[i - 1].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i - 1].DefaultCellStyle.BackColor = TableColors.HeaderRow;
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//This condition means the user created a group so the newly made header row will need to be updated in the database as well.
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dataGridView.Rows[i - 1].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i - 1].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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//Check for changes in the current row.
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if (!(bool)dataGridView.Rows[i].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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//Set the current row as a member row.
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = true;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = TableColors.MemberRow;
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}
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else if (rowStatus == RowParser.RowAttribute.HeaderRow)
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{
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//Check for changes in the current row.
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if (!(bool)dataGridView.Rows[i].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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//Set the current row as a member row.
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dataGridView.Rows[i].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i].Cells[isMemberColumn].Value = true;
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dataGridView.Rows[i].DefaultCellStyle.BackColor = TableColors.MemberRow;
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}
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//IF the previous row is incomplete, then call the stable PaintRowGroups function.
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else if (rowStatus == RowParser.RowAttribute.IncompleteRow)
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{
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//PaintRowGroups(dataGridView);
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}
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}
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//ELSE the current row is the first row in the data grid, therefore it can't be a member row so remove all coloring.
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else
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{
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//Clear the current row of its attributes.
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dataGridView.Rows[0].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[0].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[0].DefaultCellStyle.BackColor = default(Color);
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}
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}
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else if (rowStatus == RowParser.RowAttribute.AdSpecialRow)
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{
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if (i == 0) return;
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dataGridView.Rows[startingIndex].DefaultCellStyle.BackColor = TableColors.AdSpecial;
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//Get the previous row's attribute.
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rowStatus = parser.GetRowAttribute(dataGridView.Rows[i - 1]);
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if (rowStatus == RowParser.RowAttribute.HeaderRow)
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{
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//Check to see if the previous row sees itself as a header row, if so mark it dirty.
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if ((bool)dataGridView.Rows[i - 1].Cells[isHeaderColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i - 1].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i - 1].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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//Clear its color coding.
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dataGridView.Rows[i - 1].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i - 1].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i - 1].DefaultCellStyle.BackColor = default(Color);
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}
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//Next get the status of the next row.
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rowStatus = parser.GetRowAttribute(dataGridView.Rows[i + 1]);
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if (rowStatus == RowParser.RowAttribute.MemberRow)
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{
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//Check to see if the next row thinks it is a member row.
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if (!(bool)dataGridView.Rows[i + 1].Cells[isMemberColumn].EditedFormattedValue)
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{
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dataGridView.Rows[i + 1].Cells[isDirtyColumn].Value = true;
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dataGridView.Rows[i + 1].HeaderCell.Style.BackColor = TableColors.PendingEdit;
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}
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//Clear its color coding.
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dataGridView.Rows[i + 1].Cells[isMemberColumn].Value = false;
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dataGridView.Rows[i + 1].Cells[isHeaderColumn].Value = false;
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dataGridView.Rows[i + 1].DefaultCellStyle.BackColor = default(Color);
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}
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}
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}
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}
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public static void PaintRowGroups(DataGridView table)
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{
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}
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public static void PaintInventoryRowGroups(int startingIndex, DataGridView inventoryDataGridView,
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DataGridView companionDataGridView = null)
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{
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}
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public enum SalesTableColumns
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{
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Id = 0,
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AdItem = 1,
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Sold = 2,
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SalePrice = 3,
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TotalSales = 4,
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Cost = 5,
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ProfitReturn = 6,
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TotalProfitReturn = 7,
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IsHeaderRow = 8,
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IsMemberRow = 9,
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IsDirty = 10
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}
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public enum InventoryTableColumns
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{
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Id = 0,
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AdItem = 1,
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BeginningInventory = 2,
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Recieved = 3,
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Total = 4,
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EndingInventory = 5,
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IsHeaderRow = 6,
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IsMemberRow = 7,
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IsDirty = 8
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}
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public enum InvoiceTableColumns
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{
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Id = 0,
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InvoiceDate = 1,
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Supplier = 2,
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InvoiceNumber = 3,
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InvoiceNetAmountAtCost = 4,
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InvoiceNote = 5,
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IsDirty = 6
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}
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}
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}
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