Adding a TableView class that allows for copy functionality.

radixwidgets/CMakeLists.txt

@@ -22,6 +22,7 @@ TRIBITS_SUBPACKAGE(widgets)
 # C/C++ headers
 SET(HEADERS
    tabwidget.hh
+   tableview.hh
 )
 #
 # Moc the header files
@@ -48,6 +49,7 @@ ENDIF()
 # C/C++ source
 SET(SOURCES
    tabwidget.cc
+   tableview.cc
 )
 
 ##---------------------------------------------------------------------------##

radixwidgets/cmake/Dependencies.cmake

@@ -10,7 +10,7 @@ ENDIF()
 IF(USE_QT4)
    SET(QT_PACKAGES QT)
 ELSE()
-   SET(QT_PACKAGES Qt5Gui)
+   SET(QT_PACKAGES Qt5Gui Qt5Widgets Qt5Core)
 ENDIF()
 
 TRIBITS_PACKAGE_DEFINE_DEPENDENCIES(

radixwidgets/tableview.cc

+#include "radixwidgets/tableview.hh"
+
+#include <QApplication>
+#include <QHeaderView>
+#include <QClipBoard>
+#include <QKeyEvent>
+
+namespace radix
+{
+
+TableView::TableView(QWidget *parent)
+    : QTableView(parent)
+{
+}
+
+void TableView::copy()
+{
+    // selected items
+    auto selected = selectionModel()->selectedIndexes();
+
+    // selection is empty
+    if( selected.empty() )
+    {
+        return;
+    }
+
+    // data cells, unique rows, unique columns
+    QHash<int, QHash<int, QString>> cells;
+    QList<int> rows;
+    QList<int> cols;
+
+    // process selected indices
+    {
+        // row/column sets
+        QSet<int> rs;
+        QSet<int> cs;
+
+        // determine min/max row/columns
+        for( const auto &index : selected )
+        {
+            rs << index.row();
+            cs << index.column();
+            cells[index.row()][index.column()] = index.data().toString();
+        }
+
+        rows = rs.toList();
+        cols = cs.toList();
+
+        qSort( rows );
+        qSort( cols );
+    }
+
+    // row/column header models
+    auto rhmodel = verticalHeader()->model();
+    auto chmodel = horizontalHeader()->model();
+
+    // table data
+    QString data;
+
+    // add column headers
+    for( auto col : cols )
+    {
+        data.append( '\t').append(chmodel->headerData(col, Qt::Horizontal ).toString());
+    }
+
+    // add cell data
+    for( auto row : rows )
+    {
+        // add row header
+        data.append('\n').append(rhmodel->headerData(row, Qt::Vertical).toString());
+
+        // add row's cells
+        for( auto col : cols )
+        {
+            data.append( '\t' );
+
+            // row's data
+            auto &rd = cells[row];
+
+            // current cell is valid
+            if(rd.contains(col))
+            {
+                data.append(rd[col]);
+            }
+        }
+    }
+
+    // store in clipboard
+    QApplication::clipboard()->setText(data);
+}
+
+
+void TableView::keyPressEvent(QKeyEvent *event)
+{
+    if(event->matches(QKeySequence::Copy) )
+    {
+        copy();
+    }
+    else
+    {
+        QTableView::keyPressEvent(event);
+    }
+}
+} // namespace radix

radixwidgets/tableview.hh

+#ifndef RADIX_RADIXWIDGETS_TABLEVIEW_HH_
+#define RADIX_RADIXWIDGETS_TABLEVIEW_HH_
+
+#include <QTableView>
+
+namespace radix
+{
+/**
+ *  * @brief The TableWidget class
+ *   * Allows extentions of the QTableWidget
+ * provides for copy
+ *    */
+
+class TableView : public QTableView
+{
+    Q_OBJECT
+public:
+    TableView(QWidget *parent = 0);
+
+private:
+    void copy();
+public slots:
+    void keyPressEvent(QKeyEvent *event);
+};
+
+} // namespace radix
+#endif  /** RADIX_RADIXWIDGETS_TABLEVIEW_HH_ */