compare: drag to compare ui.

Gui/Control/cpTableWidget.cpp

@@ -4,15 +4,14 @@
 #include <QDrag>
 #include <QMimeData>
 #include <QPainter>
+#include <Util.h>
 
 CpTableWidget::CpTableWidget(QWidget* parent) : QTableWidget(parent)
 {
-
 }
 
 CpTableWidget::~CpTableWidget()
 {
-
 }
 
 void CpTableWidget::dropEvent(QDropEvent* event)
@@ -24,7 +23,15 @@ void CpTableWidget::dropEvent(QDropEvent* event)
     QByteArray encoded = event->mimeData()->data("application/x-qabstractitemmodeldatalist");
     QDataStream stream(&encoded, QIODevice::ReadOnly);
 
-    QList<QTableWidgetItem*> draggedItems;
+    QPoint pos = event->pos();
+    int startRow = rowAt(pos.y());
+    int startCol = columnAt(pos.x());
+    if (startCol != 1 && startCol != 2) {
+        event->ignore();
+        return;
+    }
+
+    QStringList draggedData;
     while (!stream.atEnd()) {
         int row, col;
         QMap<int, QVariant> roleData;
@@ -32,7 +39,35 @@ void CpTableWidget::dropEvent(QDropEvent* event)
         if (col != 1) {
             continue;
         }
+        draggedData.append(roleData[Qt::DisplayRole].toString());
     }
+
+    if (draggedData.isEmpty()) {
+        event->ignore();
+        return;
+    }
+
+    int currentRow = startRow;
+    if (currentRow == -1) {
+        currentRow = rowCount();
+    }
+    for (const QString& text : draggedData) {
+        if (currentRow >= rowCount()) {
+            insertRow(rowCount());
+        }
+        QString cur = startCol == 1 ? Util::Join(GlobalData::Ins()->GetLocalRoot(), text)
+                                    : Util::Join(GlobalData::Ins()->GetRemoteRoot(), text);
+        QTableWidgetItem* item = this->item(currentRow, startCol);
+        if (!item) {
+            item = new QTableWidgetItem(cur);
+            setItem(currentRow, startCol, item);
+        } else {
+            item->setText(cur);
+        }
+        currentRow++;
+    }
+
+    event->acceptProposedAction();
 }
 
 void CpTableWidget::dragEnterEvent(QDragEnterEvent* event)
@@ -43,5 +78,3 @@ void CpTableWidget::dragEnterEvent(QDragEnterEvent* event)
         event->ignore();
     }
 }
-
-