#4017 Automatic parsing of date-time format in CSV Observed Time History Data

ApplicationCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeatureUi.cpp

@@ -466,7 +466,7 @@ void RicPasteAsciiDataToSummaryPlotFeatureUi::fieldChangedByUi(const caf::PdmFie
 {
     if (changedField == &m_cellSeparator || changedField == &m_timeSeriesColumnName)
     {
-        m_previewText = m_parser->previewText(PREVIEW_TEXT_LINE_COUNT, parseOptions());
+        updatePreviewTextAndDateFormat();
     }
 }
 
@@ -495,5 +495,23 @@ void RicPasteAsciiDataToSummaryPlotFeatureUi::initialize(RifCsvUserDataParser* p
         m_timeSeriesColumnName = QString::fromStdString(parser->tableData().columnInfos()[0].columnName());
     }
 
-    m_previewText = parser->previewText(PREVIEW_TEXT_LINE_COUNT, parseOptions());
+    updatePreviewTextAndDateFormat();
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RicPasteAsciiDataToSummaryPlotFeatureUi::updatePreviewTextAndDateFormat()
+{
+    m_previewText = m_parser->previewText(PREVIEW_TEXT_LINE_COUNT, parseOptions());
+
+    QStringList timeStrings = m_parser->timeColumnPreviewData(PREVIEW_TEXT_LINE_COUNT, parseOptions());
+
+    DateFormat df = DATE_DDMMYYYY_DOT_SEPARATED;
+    for (auto& s : timeStrings)
+    {
+        df = dateFormatFromString(s);
+    }
+
+    m_dateFormat = df;
 }

ApplicationCode/Commands/SummaryPlotCommands/RicPasteAsciiDataToSummaryPlotFeatureUi.h

@@ -143,6 +143,7 @@ protected:
 
 private:
     void    initialize(RifCsvUserDataParser* parser);
+    void    updatePreviewTextAndDateFormat();
 
 private:
     UiMode                                                      m_uiMode;

ApplicationCode/FileInterface/RifCsvUserDataParser.cpp

@@ -218,6 +218,52 @@ QString RifCsvUserDataParser::previewText(int lineCount, const AsciiDataParseOpt
     return preview;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QStringList RifCsvUserDataParser::timeColumnPreviewData(int lineCount, const AsciiDataParseOptions& parseOptions)
+{
+    QStringList timeStrings;
+
+    QTextStream* stream = openDataStream();
+
+    if (stream)
+    {
+        int  timeColumnIndex = -1;
+        int  iLine           = 0;
+
+        while (iLine < lineCount && !stream->atEnd())
+        {
+            QString line = stream->readLine();
+
+            if (line.isEmpty()) continue;
+
+            int         iCol = 0;
+            QStringList cols = RifFileParseTools::splitLineAndTrim(line, parseOptions.cellSeparator);
+            for (const QString& cellData : cols)
+            {
+                if (cellData == parseOptions.timeSeriesColumnName && iLine == 0)
+                {
+                    timeColumnIndex = iCol;
+                }
+
+                if (iLine > 0 && timeColumnIndex != -1 && timeColumnIndex == iCol)
+                {
+                    timeStrings.push_back(cellData);
+                }
+
+                iCol++;
+            }
+
+            iLine++;
+        }
+    }
+
+    closeDataStream();
+
+    return timeStrings;
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
@@ -784,4 +830,4 @@ void RifCsvUserDataPastedTextParser::closeDataStream()
         delete m_textStream;
         m_textStream = nullptr;
     }
-}
+}

ApplicationCode/FileInterface/RifCsvUserDataParser.h

@@ -54,6 +54,7 @@ public:
 
     bool                parseColumnInfo(const AsciiDataParseOptions& parseOptions);
     QString             previewText(int lineCount, const AsciiDataParseOptions& parseOptions);
+    QStringList         timeColumnPreviewData(int lineCount, const AsciiDataParseOptions& parseOptions);
 
     CsvLayout           determineCsvLayout();