add: customTabwidget set drag action.

Gui/Control/FileControl.cpp

@@ -1,4 +1,4 @@
-#include "FileControl.h"
+#include "FileControl.h"
 
 #include <LocalFile.h>
 #include <QDateTime>
@@ -57,12 +57,25 @@ void FileManager::InitControl()
     ui->tableWidget->horizontalHeader()->setSectionResizeMode(1, QHeaderView::Stretch);
     // ui->tableWidget->setStyleSheet("QTableWidget::item:hover { background-color: transparent; }");
 
+    ui->tableWidget->setDragEnabled(true);
+    ui->tableWidget->viewport()->setAcceptDrops(true);
+    ui->tableWidget->setDropIndicatorShown(true);
+    ui->tableWidget->setSelectionMode(QAbstractItemView::ExtendedSelection);
+    ui->tableWidget->setDragDropMode(QAbstractItemView::DragDrop);
+
     connect(ui->btnHome, &QPushButton::clicked, this, &FileManager::evtHome);
     connect(ui->btnVisit, &QPushButton::clicked, this, &FileManager::evtFile);
     connect(ui->tableWidget, &QTableWidget::cellDoubleClicked, this, &FileManager::doubleClick);
     connect(ui->btnUp, &QPushButton::clicked, this, &FileManager::evtUp);
 }
 
+void FileManager::InitMenu(bool remote)
+{
+    if (remote) {
+        auto acDown = new QAction(tr("Download"));
+    }
+}
+
 void FileManager::ShowPath(const QString& path)
 {
     int existingIndex = ui->comboBox->findText(path);

Gui/Control/FileControl.h

@@ -1,10 +1,11 @@
-#ifndef FILECONTROL_H
+#ifndef FILECONTROL_H
 #define FILECONTROL_H
 
 #include <ClientCore.h>
 #include <InfoDirFile.h>
 #include <QWidget>
 #include <Util.h>
+#include <QMenu>
 
 namespace Ui {
 class FileManager;
@@ -23,6 +24,7 @@ public:
 
 private:
     void InitControl();
+    void InitMenu(bool remote = false);
     void ShowPath(const QString& path);
     void ShowFile(const DirFileInfoVec& info);
     void doubleClick(int row, int column);
@@ -35,6 +37,8 @@ private:
 private:
     Ui::FileManager* ui;
     QString curRoot_;
+    QMenu* localMenu_;
+    QMenu* remoteMenu_;
     std::shared_ptr<DirFileHelper> fileHelper_;
 };
 

Gui/Control/FileControl.ui

@@ -57,10 +57,17 @@
     </layout>
    </item>
    <item>
-    <widget class="QTableWidget" name="tableWidget"/>
+    <widget class="CustomTableWidget" name="tableWidget"/>
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>CustomTableWidget</class>
+   <extends>QTableWidget</extends>
+   <header>cusTableWidget.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>

Gui/Control/cusTableWidget.cpp

@@ -0,0 +1,67 @@
+#include "cusTableWidget.h"
+#include <QDrag>
+#include <QMimeData>
+#include <QPainter>
+
+CustomTableWidget::CustomTableWidget(QWidget* parent)
+{
+}
+
+CustomTableWidget::~CustomTableWidget()
+{
+}
+
+void CustomTableWidget::dropEvent(QDropEvent* event)
+{
+    if (!event->mimeData()->hasFormat("application/x-custom-data")) {
+        event->ignore();
+        return;
+    }
+
+    QModelIndex index = indexAt(event->pos());
+    if (!index.isValid()) {
+        event->ignore();
+        return;
+    }
+
+    QString data = QString::fromUtf8(event->mimeData()->data("application/x-custom-data"));
+    QStringList items = data.split(",");
+
+    //emit customDropRequested(items.first(), index.row(), index.column(), event->source());
+
+    event->acceptProposedAction();
+}
+
+void CustomTableWidget::dragMoveEvent(QDragMoveEvent* event)
+{
+    const QTableWidget* source = qobject_cast<const QTableWidget*>(event->source());
+    if (source == this) {
+        event->ignore();
+        return;
+    }
+    if (event->mimeData()->hasFormat("application/x-custom-data")) {
+        event->setDropAction(Qt::MoveAction);
+        event->acceptProposedAction();
+    } else {
+        event->ignore();
+    }
+}
+
+void CustomTableWidget::startDrag(Qt::DropActions supportedActions)
+{
+    QDrag* drag = new QDrag(this);
+    QMimeData* mimeData = new QMimeData;
+
+    QStringList selectedTexts;
+    foreach (QTableWidgetItem* item, selectedItems()) {
+        selectedTexts << item->text();
+    }
+    mimeData->setData("application/x-custom-data", selectedTexts.join(",").toUtf8());
+    drag->setMimeData(mimeData);
+    QPixmap pixmap(100, 50);
+    pixmap.fill(Qt::lightGray);
+    QPainter painter(&pixmap);
+    painter.drawText(pixmap.rect(), Qt::AlignCenter, QString("%1 ITEM").arg(selectedTexts.count()));
+    drag->setPixmap(pixmap);
+    drag->exec(supportedActions);
+}

Gui/Control/cusTableWidget.h

@@ -0,0 +1,20 @@
+#ifndef CUSTOM_TABLEWIDET_H
+#define CUSTOM_TABLEWIDET_H
+
+#include <QTableWidget>
+#include <QDropEvent>
+
+class CustomTableWidget : public QTableWidget
+{
+    Q_OBJECT
+public:
+    explicit CustomTableWidget(QWidget* parent = nullptr);
+    ~CustomTableWidget() override;
+
+protected:
+    void dropEvent(QDropEvent* event) override;
+    void dragMoveEvent(QDragMoveEvent *event) override;
+    void startDrag(Qt::DropActions supportedActions) override;
+};
+
+#endif