From 809366c508585a0541db5f9913cf8a0ffcb38b09 Mon Sep 17 00:00:00 2001
From: Daniel Schick <schick@textbausteine.net>
Date: Sun, 8 Feb 2026 08:44:00 +0100
Subject: [PATCH] Added excel import for initial data set.

---
 ENI2/Controls/HazardMaterialControl.xaml    |   2 +
 ENI2/Controls/HazardMaterialControl.xaml.cs |  10 ++
 ENI2/EditControls/NewDGItemDialog.xaml.cs   |   5 +-
 ENI2/Excel/ExcelLocalImportHelper.cs        | 122 ++++++++++++++++++++
 4 files changed, 135 insertions(+), 4 deletions(-)

diff --git a/ENI2/Controls/HazardMaterialControl.xaml b/ENI2/Controls/HazardMaterialControl.xaml
index 63179853..6a234d88 100644
--- a/ENI2/Controls/HazardMaterialControl.xaml
+++ b/ENI2/Controls/HazardMaterialControl.xaml
@@ -21,12 +21,14 @@
                 </Grid.RowDefinitions>
                 <Grid Grid.Row="0">
                     <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="120" />
                         <ColumnDefinition Width="120" />
                         <ColumnDefinition Width="120" />
                         <ColumnDefinition Width="*" />
                     </Grid.ColumnDefinitions>
                     <Button x:Name="buttonSave" Grid.Column="0" Margin="2" Content="Save all changes" Click="buttonSave_Click" />
                     <Button x:Name="buttonAdd" Grid.Column="1" Margin="2" Content="Add new" Click="buttonAdd_Click" />
+                    <Button x:Name="buttonImport" Grid.Column="2" Margin="2" Content="{x:Static p:Resources.textImportFromExcel}" Click="buttonImport_Click" />
                 </Grid>
                 <local:ENIDataGrid Grid.Row="1" Margin="2,8,2,2" x:Name="dataGridHazardMaterial" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"
                                    SelectionMode="Extended" AutoGenerateColumns="False" CellEditEnding="dataGridHazardMaterial_CellEditEnding" CanUserAddRows="False">
diff --git a/ENI2/Controls/HazardMaterialControl.xaml.cs b/ENI2/Controls/HazardMaterialControl.xaml.cs
index ef3e890d..b632a13e 100644
--- a/ENI2/Controls/HazardMaterialControl.xaml.cs
+++ b/ENI2/Controls/HazardMaterialControl.xaml.cs
@@ -1,4 +1,5 @@
 using bsmd.database;
+using ENI2.Excel;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -56,6 +57,15 @@ namespace ENI2.Controls
             AddNewTemplate();
         }
 
+        private void buttonImport_Click(object sender, RoutedEventArgs e)
+        {
+            var imported = ExcelLocalImportHelper.ImportHazardMaterials();
+            foreach (var item in imported)
+            {
+                HAZPosTemplate.Templates.Add(item);
+            }
+        }
+
         private void dataGridHazardMaterial_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
         {
             if (e.Row?.Item is HAZPosTemplate template)
diff --git a/ENI2/EditControls/NewDGItemDialog.xaml.cs b/ENI2/EditControls/NewDGItemDialog.xaml.cs
index c1c849e6..c812a78f 100644
--- a/ENI2/EditControls/NewDGItemDialog.xaml.cs
+++ b/ENI2/EditControls/NewDGItemDialog.xaml.cs
@@ -7,7 +7,6 @@ using ENI2.Controls;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 
@@ -85,9 +84,7 @@ namespace ENI2.EditControls
                     filtered = filtered.Where(elem => elem.TemplateType == sType);
                 }
                 this.listBoxDescription.ItemsSource = filtered;
-            }
-            
+            }            
         }
-
     }
 }
diff --git a/ENI2/Excel/ExcelLocalImportHelper.cs b/ENI2/Excel/ExcelLocalImportHelper.cs
index eaee9caa..06ee2abe 100644
--- a/ENI2/Excel/ExcelLocalImportHelper.cs
+++ b/ENI2/Excel/ExcelLocalImportHelper.cs
@@ -398,6 +398,112 @@ namespace ENI2.Excel
 
         #endregion
 
+        #region Hazard Material Import from Excel
+
+        public static List<HAZPosTemplate> ImportHazardMaterials()
+        {
+            OpenFileDialog ofd = new OpenFileDialog
+            {
+                Filter = "Excel Files|*.xls;*.xlsx"
+            };
+
+            if (ofd.ShowDialog() ?? false)
+            {
+                try
+                {
+                    using (var stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                    using (var workbook = new XLWorkbook(stream))
+                    {
+                        var worksheet = workbook.Worksheet(1);
+                        var range = worksheet.RangeUsed();
+                        var rows = range.RowsUsed().Skip(1); // header row
+
+                        List<HAZPosTemplate> templates = new List<HAZPosTemplate>();
+
+                        foreach (var row in rows)
+                        {
+                            if (row.Cell(1).IsEmpty() &&
+                                row.Cell(3).IsEmpty() &&
+                                row.Cell(5).IsEmpty())
+                                continue;
+
+                            HAZPosTemplate hpt = new HAZPosTemplate();
+
+                            if (!row.Cell(1).IsEmpty())
+                                hpt.Description = Truncate(row.Cell(1).GetString().Trim(), 100);
+
+                            int? hazardIndex = GetIntCell(row.Cell(3));
+                            if (hazardIndex.HasValue)
+                                hpt.Hazard = (HAZPosTemplate.HazardsEnum)hazardIndex.Value;
+
+                            int? flashpointIndex = GetIntCell(row.Cell(5));
+                            if (flashpointIndex.HasValue)
+                                hpt.Flashpoint = (HAZPosTemplate.FlashpointEnum)flashpointIndex.Value;
+
+                            if (!row.Cell(6).IsEmpty())
+                            {
+                                string specRef = row.Cell(6).GetString().Trim();
+                                if (specRef.Equals("Ja", StringComparison.OrdinalIgnoreCase))
+                                    hpt.SpecRef15_19 = true;
+                                else if (specRef.Equals("Nein", StringComparison.OrdinalIgnoreCase))
+                                    hpt.SpecRef15_19 = false;
+                            }
+
+                            if (!row.Cell(7).IsEmpty())
+                            {
+                                string type = row.Cell(7).GetString().Trim();
+                                if (Enum.TryParse(type, true, out HAZPosTemplate.SublistType templateType))
+                                    hpt.TemplateType = templateType;
+                            }
+
+                            if (!row.Cell(9).IsEmpty())
+                            {
+                                string mhb = row.Cell(9).GetString().Trim();
+                                if (mhb.Equals("y", StringComparison.OrdinalIgnoreCase))
+                                    hpt.MHB = true;
+                                else if (mhb.Equals("n", StringComparison.OrdinalIgnoreCase))
+                                    hpt.MHB = false;
+                            }
+
+                            int? imsbcHazIndex = GetIntCell(row.Cell(12));
+                            if (imsbcHazIndex.HasValue)
+                                hpt.IMSBC_HAZ = (HAZPosTemplate.IMO_HAZ_ClassEnum)imsbcHazIndex.Value;
+
+                            if (!row.Cell(13).IsEmpty())
+                                hpt.UNNr = Truncate(row.Cell(13).GetString().Trim(), 100);
+
+                            if (!row.Cell(14).IsEmpty())
+                                hpt.IMOClass = Truncate(row.Cell(14).GetString().Trim(), 100);
+
+                            int? pollutionIndex = GetIntCell(row.Cell(16));
+                            if (pollutionIndex.HasValue)
+                                hpt.PollutionCategory = (HAZPosTemplate.PollutionCategoryEnum)pollutionIndex.Value;
+
+                            if (!row.Cell(20).IsEmpty())
+                                hpt.FP_IBC = Truncate(row.Cell(20).GetString().Trim(), 100);
+
+                            if (!row.Cell(21).IsEmpty())
+                                hpt.Comment = Truncate(row.Cell(21).GetString().Trim(), 255);
+
+                            hpt.IsDirty = true;
+                            templates.Add(hpt);
+                        }
+
+                        return templates;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show("Error reading Excel: " + ex.Message, Properties.Resources.textCaptionError,
+                        MessageBoxButton.OK, MessageBoxImage.Error);
+                }
+            }
+
+            return new List<HAZPosTemplate>();
+        }
+
+        #endregion
+
         private static string Truncate(string value, int maxLength)
         {
             if (value == null)
@@ -405,5 +511,21 @@ namespace ENI2.Excel
             return value.Length <= maxLength ? value : value.Substring(0, maxLength);
         }
 
+        private static int? GetIntCell(IXLCell cell)
+        {
+            if (cell == null || cell.IsEmpty()) return null;
+            try
+            {
+                return cell.GetValue<int>();
+            }
+            catch
+            {
+                string text = cell.GetString().Trim();
+                if (int.TryParse(text, out int val))
+                    return val;
+            }
+            return null;
+        }
+
     }
 }