Move widget here

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.5)
-set(PIM_VERSION "5.12.43")
+set(PIM_VERSION "5.12.44")
 
 project(mailcommon VERSION ${PIM_VERSION})
 

src/CMakeLists.txt

@@ -145,6 +145,7 @@ set(libmailcommon_snippets_SRCS
   snippets/snippetsmanager.cpp
   snippets/snippetsmodel.cpp
   snippets/snippetvariabledialog.cpp
+  snippets/snippetwidget.cpp
 )
 
 set(libmailcommon_tag_SRCS
@@ -408,6 +409,7 @@ ecm_generate_headers(MailCommon_Camelcasefilterimporter_HEADERS
 ecm_generate_headers(MailCommon_Camelcasesnippets_HEADERS
   HEADER_NAMES
   SnippetsManager
+  SnippetWidget
   REQUIRED_HEADERS MailCommon_snippets_HEADERS
   PREFIX MailCommon
   RELATIVE snippets

src/snippets/snippetwidget.cpp

@@ -0,0 +1,89 @@
+/***************************************************************************
+ *   snippet feature from kdevelop/plugins/snippet/                        *
+ *                                                                         *
+ *   Copyright (C) 2007 by Robert Gruber                                   *
+ *   rgruber@users.sourceforge.net                                         *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "snippetwidget.h"
+#include "snippetsmanager.h"
+
+#include <kactioncollection.h>
+#include <KLocalizedString>
+
+#include <QMenu>
+#include <QContextMenuEvent>
+#include <QHeaderView>
+using namespace MailCommon;
+SnippetWidget::SnippetWidget(KActionCollection *actionCollection, QWidget *parent)
+    : QTreeView(parent)
+{
+    header()->hide();
+    setAcceptDrops(true);
+    setDragEnabled(true);
+    setRootIsDecorated(true);
+    setAlternatingRowColors(true);
+    mSnippetsManager = new MailCommon::SnippetsManager(actionCollection, this, this);
+    connect(mSnippetsManager, &MailCommon::SnippetsManager::insertPlainText, this, &SnippetWidget::insertSnippetText);
+
+    setModel(mSnippetsManager->model());
+    setSelectionModel(mSnippetsManager->selectionModel());
+
+    connect(this, &QAbstractItemView::activated,
+            mSnippetsManager->insertSnippetAction(), &QAction::trigger);
+    connect(mSnippetsManager->model(), &QAbstractItemModel::rowsInserted,
+            this, &QTreeView::expandAll);
+    connect(mSnippetsManager->model(), &QAbstractItemModel::rowsRemoved,
+            this, &QTreeView::expandAll);
+
+    expandAll();
+}
+
+SnippetWidget::~SnippetWidget()
+{
+}
+
+void SnippetWidget::contextMenuEvent(QContextMenuEvent *event)
+{
+    QMenu popup;
+
+    const bool itemSelected = mSnippetsManager->selectionModel()->hasSelection();
+
+    bool canAddSnippet = true;
+    if (itemSelected) {
+        popup.setTitle(mSnippetsManager->selectedName());
+        if (mSnippetsManager->snippetGroupSelected()) {
+            popup.addAction(mSnippetsManager->editSnippetGroupAction());
+            popup.addAction(mSnippetsManager->deleteSnippetGroupAction());
+        } else {
+            canAddSnippet = false; // subsnippets are not permitted
+            popup.addAction(mSnippetsManager->addSnippetAction());
+            popup.addAction(mSnippetsManager->editSnippetAction());
+            popup.addAction(mSnippetsManager->deleteSnippetAction());
+            popup.addAction(mSnippetsManager->insertSnippetAction());
+        }
+        popup.addSeparator();
+    } else {
+        popup.setTitle(i18n("Text Snippets"));
+    }
+    if (canAddSnippet) {
+        popup.addAction(mSnippetsManager->addSnippetAction());
+    }
+    popup.addAction(mSnippetsManager->addSnippetGroupAction());
+
+    popup.exec(event->globalPos());
+}
+
+void SnippetWidget::dropEvent(QDropEvent *event)
+{
+    if (event->source() == this) {
+        event->setDropAction(Qt::MoveAction);
+    }
+    QTreeView::dropEvent(event);
+}

src/snippets/snippetwidget.h

@@ -0,0 +1,47 @@
+/***************************************************************************
+ *   snippet feature from kdevelop/plugins/snippet/                        *
+ *                                                                         *
+ *   Copyright (C) 2007 by Robert Gruber                                   *
+ *   rgruber@users.sourceforge.net                                         *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef MAILCOMMON_SNIPPETWIDGET_H
+#define MAILCOMMON_SNIPPETWIDGET_H
+
+#include <QTreeView>
+#include "mailcommon_export.h"
+
+class KActionCollection;
+
+class QContextMenuEvent;
+
+namespace MailCommon {
+class SnippetsManager;
+/**
+ * @author Robert Gruber
+ */
+class MAILCOMMON_EXPORT SnippetWidget : public QTreeView
+{
+    Q_OBJECT
+public:
+    explicit SnippetWidget(KActionCollection *actionCollection, QWidget *parent = nullptr);
+    ~SnippetWidget() override;
+
+protected:
+    void contextMenuEvent(QContextMenuEvent *) override;
+    void dropEvent(QDropEvent *) override;
+
+Q_SIGNALS:
+    void insertSnippetText(const QString &str);
+
+private:
+    MailCommon::SnippetsManager *mSnippetsManager = nullptr;
+};
+}
+#endif