Initial comit to use drag and drop

qelectrotech.pro

@@ -201,6 +201,9 @@ SOURCES += $$files(sources/*.cpp) \
            $$files(sources/TerminalStrip/ui/*.cpp) \
            $$files(sources/TerminalStrip/UndoCommand/*.cpp)
 
+# Needed for use promote QTreeWidget in terminalstripeditor.ui
+INCLUDEPATH += sources/TerminalStrip/ui
+
 # Liste des fichiers qui seront incorpores au binaire en tant que ressources Qt
 RESOURCES += qelectrotech.qrc
 

sources/TerminalStrip/ui/terminalstripeditor.cpp

@@ -23,6 +23,7 @@
 #include "../elementprovider.h"
 #include "../qetgraphicsitem/terminalelement.h"
 #include "../UndoCommand/addterminalstripcommand.h"
+#include "terminalstriptreewidget.h"
 
 #include <QTreeWidgetItem>
 
@@ -61,10 +62,10 @@ void TerminalStripEditor::buildTree()
 	}
 
 	QStringList strl{title};
-	new QTreeWidgetItem(ui->m_terminal_strip_tw, strl, TerminalStripEditor::Root);
+	new QTreeWidgetItem(ui->m_terminal_strip_tw, strl, TerminalStripTreeWidget::Root);
 
 	QStringList ftstrl(tr("Bornes indépendante"));
-	new QTreeWidgetItem(ui->m_terminal_strip_tw, ftstrl, TerminalStripEditor::FreeTerminal);
+	new QTreeWidgetItem(ui->m_terminal_strip_tw, ftstrl, TerminalStripTreeWidget::FreeTerminalSection);
 
 	auto ts_vector = m_project->terminalStrip();
 	std::sort(ts_vector.begin(), ts_vector.end(), [](TerminalStrip *a, TerminalStrip *b) {
@@ -105,7 +106,7 @@ QTreeWidgetItem* TerminalStripEditor::addTerminalStrip(TerminalStrip *terminal_s
 	}
 	if (!inst_qtwi) {
 		QStringList inst_strl{installation_str};
-		inst_qtwi = new QTreeWidgetItem(root_item, inst_strl, TerminalStripEditor::Inst);
+		inst_qtwi = new QTreeWidgetItem(root_item, inst_strl, TerminalStripTreeWidget::Inst);
 	}
 
 		//Check if location already exist
@@ -121,12 +122,12 @@ QTreeWidgetItem* TerminalStripEditor::addTerminalStrip(TerminalStrip *terminal_s
 	}
 	if (!loc_qtwi) {
 		QStringList loc_strl{location_str};
-		loc_qtwi = new QTreeWidgetItem(inst_qtwi, loc_strl, TerminalStripEditor::Loc);
+		loc_qtwi = new QTreeWidgetItem(inst_qtwi, loc_strl, TerminalStripTreeWidget::Loc);
 	}
 
 		//Add the terminal strip
 	QStringList name{terminal_strip->name()};
-	auto item = new QTreeWidgetItem(loc_qtwi, name, TerminalStripEditor::Strip);
+	auto item = new QTreeWidgetItem(loc_qtwi, name, TerminalStripTreeWidget::Strip);
 	m_H_item_strip.insert(item, terminal_strip);
 	return item;
 }
@@ -155,7 +156,8 @@ void TerminalStripEditor::addFreeTerminal()
 	for (const auto terminal : qAsConst(vector_))
 	{
 		QStringList strl{terminal->actualLabel()};
-		new QTreeWidgetItem(free_terminal_item, strl, TerminalStripEditor::FreeTerminal);
+		auto item = new QTreeWidgetItem(free_terminal_item, strl, TerminalStripTreeWidget::FreeTerminal);
+		item->setData(0, TerminalStripTreeWidget::UUID_USER_ROLE, terminal->uuid().toString());
 	}
 }
 
@@ -169,14 +171,14 @@ void TerminalStripEditor::on_m_add_terminal_strip_pb_clicked()
 
 	if (auto item = ui->m_terminal_strip_tw->currentItem())
 	{
-		if (item->type() == TerminalStripEditor::Strip) {
+		if (item->type() == TerminalStripTreeWidget::Strip) {
 			item = item->parent();
 		}
-		if (item->type() == TerminalStripEditor::Loc) {
+		if (item->type() == TerminalStripTreeWidget::Loc) {
 			dialog->setLocation(item->data(0, Qt::DisplayRole).toString());
 			item = item->parent();
 		}
-		if (item->type() == TerminalStripEditor::Inst) {
+		if (item->type() == TerminalStripTreeWidget::Inst) {
 			dialog->setInstallation(item->data(0, Qt::DisplayRole).toString());
 		}
 	}

sources/TerminalStrip/ui/terminalstripeditor.h

@@ -38,14 +38,6 @@ class TerminalStripEditor : public QDialog
 {
 		Q_OBJECT
 
-		enum TreeWidgetType{
-			Root,
-			FreeTerminal,
-			Inst,
-			Loc,
-			Strip
-		};
-
 	public:
 		explicit TerminalStripEditor(QETProject *project, QWidget *parent = nullptr);
 		~TerminalStripEditor() override;

sources/TerminalStrip/ui/terminalstripeditor.ui

@@ -32,7 +32,16 @@
     </widget>
    </item>
    <item row="1" column="0" colspan="2">
-    <widget class="QTreeWidget" name="m_terminal_strip_tw">
+    <widget class="TerminalStripTreeWidget" name="m_terminal_strip_tw">
+     <property name="dragEnabled">
+      <bool>false</bool>
+     </property>
+     <property name="dragDropMode">
+      <enum>QAbstractItemView::InternalMove</enum>
+     </property>
+     <property name="autoExpandDelay">
+      <number>500</number>
+     </property>
      <property name="animated">
       <bool>true</bool>
      </property>
@@ -45,6 +54,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>TerminalStripTreeWidget</class>
+   <extends>QTreeWidget</extends>
+   <header location="global">terminalstriptreewidget.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
 </ui>

sources/TerminalStrip/ui/terminalstriptreewidget.cpp

@@ -0,0 +1,78 @@
+/*
+        Copyright 2006-2021 The QElectroTech Team
+        This file is part of QElectroTech.
+
+        QElectroTech 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.
+
+        QElectroTech is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "terminalstriptreewidget.h"
+#include "../../qeticons.h"
+
+#include <QDebug>
+#include <QDrag>
+#include <QMimeData>
+#include <QDragMoveEvent>
+
+int TerminalStripTreeWidget::UUID_USER_ROLE = Qt::UserRole + 1;
+
+TerminalStripTreeWidget::TerminalStripTreeWidget(QWidget *parent) :
+    QTreeWidget(parent)
+{}
+
+QStringList TerminalStripTreeWidget::mimeTypes() const
+{
+	QStringList strl(QStringLiteral("application/x-qet-terminal-strip-tree-item"));
+
+	return strl;
+}
+
+void TerminalStripTreeWidget::startDrag(Qt::DropActions supportedActions)
+{
+	Q_UNUSED(supportedActions)
+
+	auto item = currentItem();
+
+	if (!item ||
+		item->type() != TerminalStripTreeWidget::FreeTerminal) {
+		return;
+	}
+
+	QDrag drag(this);
+	auto mime_data = new QMimeData();
+	mime_data->setData("application/x-qet-terminal-strip-tree-item", item->data(0, UUID_USER_ROLE).toString().toLatin1());
+
+	drag.setMimeData(mime_data);
+	drag.setPixmap(QET::Icons::ElementTerminal.pixmap(16,16));
+	drag.exec(Qt::MoveAction);
+}
+
+void TerminalStripTreeWidget::dragMoveEvent(QDragMoveEvent *event)
+{
+	QTreeWidget::dragMoveEvent(event);
+
+	auto item = itemAt(event->pos());
+
+	if (item &&
+		item->type() == TerminalStripTreeWidget::Strip) {
+		event->accept();
+	} else {
+		event->ignore();
+	}
+}
+
+void TerminalStripTreeWidget::dropEvent(QDropEvent *event)
+{}
+
+Qt::DropActions TerminalStripTreeWidget::supportedDropActions() const {
+	return Qt::MoveAction;
+}

sources/TerminalStrip/ui/terminalstriptreewidget.h

@@ -0,0 +1,54 @@
+/*
+        Copyright 2006-2021 The QElectroTech Team
+        This file is part of QElectroTech.
+
+        QElectroTech 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.
+
+        QElectroTech is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef TERMINALSTRIPTREEWIDGET_H
+#define TERMINALSTRIPTREEWIDGET_H
+
+#include <QTreeWidget>
+
+/**
+ * @brief The TerminalStripTreeWidget class
+ * Derived class use to implement custom drag and drop
+ */
+class TerminalStripTreeWidget : public QTreeWidget
+{
+        Q_OBJECT
+	public :
+		enum TreeWidgetType{
+			Root,
+			FreeTerminal,
+			FreeTerminalSection,
+			Inst,
+			Loc,
+			Strip
+		};
+
+			//Role used for data in QTreeWidgetItem
+		static int UUID_USER_ROLE;
+
+    public:
+        TerminalStripTreeWidget(QWidget *parent = nullptr);
+
+	protected:
+		QStringList mimeTypes() const override;
+		void startDrag(Qt::DropActions supportedActions) override;
+		void dragMoveEvent(QDragMoveEvent *event) override;
+		void dropEvent(QDropEvent *event) override;
+		Qt::DropActions supportedDropActions() const override;
+};
+
+#endif // TERMINALSTRIPTREEWIDGET_H