From 10f24c2dff3e96cee5104d8f54bca504fdcd9be9 Mon Sep 17 00:00:00 2001
From: Jakub Melka <Mgr.Jakub.Melka@gmail.com>
Date: Sat, 7 Oct 2023 18:24:04 +0200
Subject: [PATCH] Issue #97: Context menu + layout items on window size changed

---
 Pdf4QtDocPageOrganizer/mainwindow.cpp    | 38 ++++++++++++++++++++++++
 Pdf4QtDocPageOrganizer/mainwindow.h      |  4 +++
 Pdf4QtDocPageOrganizer/mainwindow.ui     |  3 ++
 Pdf4QtDocPageOrganizer/pageitemmodel.cpp | 17 ++++++++++-
 4 files changed, 61 insertions(+), 1 deletion(-)

diff --git a/Pdf4QtDocPageOrganizer/mainwindow.cpp b/Pdf4QtDocPageOrganizer/mainwindow.cpp
index e99ca6d..75c1fc1 100644
--- a/Pdf4QtDocPageOrganizer/mainwindow.cpp
+++ b/Pdf4QtDocPageOrganizer/mainwindow.cpp
@@ -56,6 +56,8 @@ MainWindow::MainWindow(QWidget* parent) :
 
     ui->documentItemsView->setModel(m_model);
     ui->documentItemsView->setItemDelegate(m_delegate);
+    connect(ui->documentItemsView, &QListView::customContextMenuRequested, this, &MainWindow::onWorkspaceCustomContextMenuRequested);
+
     setMinimumSize(pdf::PDFWidgetUtils::scaleDPI(this, QSize(800, 600)));
 
     ui->actionClear->setData(int(Operation::Clear));
@@ -221,6 +223,13 @@ QSize MainWindow::getMaxPageImageSize() const
     return pdf::PDFWidgetUtils::scaleDPI(this, QSize(250, 250));
 }
 
+void MainWindow::resizeEvent(QResizeEvent* resizeEvent)
+{
+    QMainWindow::resizeEvent(resizeEvent);
+
+    ui->documentItemsView->doItemsLayout();
+}
+
 void MainWindow::on_actionClose_triggered()
 {
     close();
@@ -246,6 +255,35 @@ void MainWindow::onMappedActionTriggered(int actionId)
     performOperation(static_cast<Operation>(actionId));
 }
 
+void MainWindow::onWorkspaceCustomContextMenuRequested(const QPoint& point)
+{
+    QMenu* contextMenu = new QMenu(this);
+    contextMenu->addAction(ui->actionCut);
+    contextMenu->addAction(ui->actionCopy);
+    contextMenu->addAction(ui->actionPaste);
+    contextMenu->addSeparator();
+    contextMenu->addAction(ui->actionRotate_Left);
+    contextMenu->addAction(ui->actionRotate_Right);
+    QMenu* selectMenu = contextMenu->addMenu(tr("Select"));
+    selectMenu->addAction(ui->actionSelect_All);
+    selectMenu->addAction(ui->actionSelect_Even);
+    selectMenu->addAction(ui->actionSelect_Odd);
+    selectMenu->addAction(ui->actionSelect_Landscape);
+    selectMenu->addAction(ui->actionSelect_Portrait);
+    selectMenu->addAction(ui->actionSelect_None);
+    QMenu* regroupMenu = contextMenu->addMenu(tr("Regroup"));
+    regroupMenu->addAction(ui->actionRegroup_Even_Odd);
+    regroupMenu->addAction(ui->actionRegroup_by_Alternating_Pages);
+    regroupMenu->addAction(ui->actionRegroup_by_Alternating_Pages_Reversed_Order);
+    regroupMenu->addAction(ui->actionRegroup_by_Page_Pairs);
+    regroupMenu->addAction(ui->actionRegroup_by_Bookmarks);
+    contextMenu->addSeparator();
+    contextMenu->addAction(ui->actionGroup);
+    contextMenu->addAction(ui->actionUngroup);
+
+    contextMenu->exec(ui->documentItemsView->viewport()->mapToGlobal(point));
+}
+
 void MainWindow::updateActions()
 {
     QList<QAction*> actions = findChildren<QAction*>();
diff --git a/Pdf4QtDocPageOrganizer/mainwindow.h b/Pdf4QtDocPageOrganizer/mainwindow.h
index b0eb2dc..95ab66e 100644
--- a/Pdf4QtDocPageOrganizer/mainwindow.h
+++ b/Pdf4QtDocPageOrganizer/mainwindow.h
@@ -100,10 +100,14 @@ public:
         PrepareIconTheme
     };
 
+protected:
+    virtual void resizeEvent(QResizeEvent* resizeEvent) override;
+
 private slots:
     void on_actionClose_triggered();
     void on_actionAddDocuments_triggered();
     void onMappedActionTriggered(int actionId);
+    void onWorkspaceCustomContextMenuRequested(const QPoint& point);
     void updateActions();
 
 private:
diff --git a/Pdf4QtDocPageOrganizer/mainwindow.ui b/Pdf4QtDocPageOrganizer/mainwindow.ui
index 8025ad1..4df97d2 100644
--- a/Pdf4QtDocPageOrganizer/mainwindow.ui
+++ b/Pdf4QtDocPageOrganizer/mainwindow.ui
@@ -20,6 +20,9 @@
    <layout class="QVBoxLayout" name="verticalLayout">
     <item>
      <widget class="QListView" name="documentItemsView">
+      <property name="contextMenuPolicy">
+       <enum>Qt::CustomContextMenu</enum>
+      </property>
       <property name="dragEnabled">
        <bool>true</bool>
       </property>
diff --git a/Pdf4QtDocPageOrganizer/pageitemmodel.cpp b/Pdf4QtDocPageOrganizer/pageitemmodel.cpp
index 9ea0261..3fab2a6 100644
--- a/Pdf4QtDocPageOrganizer/pageitemmodel.cpp
+++ b/Pdf4QtDocPageOrganizer/pageitemmodel.cpp
@@ -83,10 +83,25 @@ QVariant PageItemModel::data(const QModelIndex& index, int role) const
         return QVariant();
     }
 
+    const PageGroupItem* item = getItem(index);
     switch (role)
     {
         case Qt::DisplayRole:
-            return m_pageGroupItems.at(index.row()).groupName;
+            return item->groupName;
+
+        case Qt::ToolTipRole:
+        {
+            QStringList texts;
+            texts << QString("<b>%1</b>").arg(item->groupName);
+
+            if (item->isGrouped())
+            {
+                texts << QString("%1 pages").arg(item->groups.size());
+            }
+
+            return texts.join("<br>");
+        }
+
 
         default:
             break;