Grouping items available

resources/forms/mainWindow.ui

@@ -69,6 +69,7 @@
    <addaction name="actionForward"/>
    <addaction name="separator"/>
    <addaction name="actionErase"/>
+   <addaction name="actionGroupItems"/>
    <addaction name="actionBoard"/>
    <addaction name="actionTutorial"/>
    <addaction name="actionWeb"/>
@@ -1633,6 +1634,21 @@
     <string>Import old Sankore or Uniboard documents</string>
    </property>
   </action>
+  <action name="actionGroupItems">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="icon">
+    <iconset resource="../sankore.qrc">
+     <normaloff>:/images/toolbar/library.png</normaloff>:/images/toolbar/library.png</iconset>
+   </property>
+   <property name="text">
+    <string>Gtorup items</string>
+   </property>
+   <property name="toolTip">
+    <string>Erase Content</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="../sankore.qrc"/>

src/board/UBBoardView.cpp

@@ -440,7 +440,9 @@ void UBBoardView::mousePressEvent (QMouseEvent *event)
                 || movingItem->type() == UBGraphicsPolygonItem::Type
                 || movingItem->type() == UBGraphicsCache::Type
                 || movingItem->type() == UBGraphicsTriangle::Type
-                || movingItem == this->scene()->backgroundObject())
+                || movingItem == this->scene()->backgroundObject()
+                || movingItem->group())
+
                 {
                     movingItem = NULL;
                     QGraphicsView::mousePressEvent (event);

src/domain/UBGraphicsPolygonItem.cpp

@@ -185,6 +185,19 @@ void UBGraphicsPolygonItem::paint ( QPainter * painter, const QStyleOptionGraphi
     QGraphicsPolygonItem::paint(painter, option, widget);
 }
 
+QPainterPath UBGraphicsPolygonItem::shape() const
+{
+
+    QPainterPath path;
+    path.addRect(boundingRect());
+
+    return path;
+
+//    static QPainterPath shapePath = QGraphicsPolygonItem::shape();
+
+//    return shapePath;
+}
+
 
 UBGraphicsScene* UBGraphicsPolygonItem::scene()
 {

src/domain/UBGraphicsPolygonItem.h

@@ -115,6 +115,8 @@ class UBGraphicsPolygonItem : public QGraphicsPolygonItem, public UBItem
 
     protected:
         void paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget);
+        QPainterPath shape () const;
+
 
 
     private:

src/domain/UBGraphicsScene.cpp

@@ -30,6 +30,7 @@
 #include "core/UBPersistenceManager.h"
 
 #include "gui/UBMagnifer.h"
+#include "gui/UBMainWindow.h"
 
 #include "tools/UBGraphicsRuler.h"
 #include "tools/UBGraphicsProtractor.h"
@@ -54,6 +55,7 @@
 #include "UBGraphicsWidgetItem.h"
 #include "UBGraphicsPDFItem.h"
 #include "UBGraphicsTextItem.h"
+#include "domain/ubgraphicsgroupcontaineritem.h"
 
 #include "UBAppleWidget.h"
 #include "UBW3CWidget.h"
@@ -157,9 +159,6 @@ qreal UBZLayerController::changeZLevelTo(QGraphicsItem *item, moveDestination de
                 while (iCurElement.hasNext() && iCurElement.peekNext().value()->data(UBGraphicsItemData::ItemOwnZValue).toReal() == nextZ) {
                     UBGraphicsItem::assignZValue(iCurElement.next().value(), nextZ);
                 }
-
-                item->scene()->clearSelection();
-                item->setSelected(true);
             }
         }
 
@@ -289,6 +288,9 @@ UBGraphicsScene::UBGraphicsScene(UBDocumentProxy* parent)
     }
 
     connect(this, SIGNAL(selectionChanged()), this, SLOT(selectionChangedProcessing()));
+    connect(this, SIGNAL(selectionChanged()), this, SLOT(enableGroupingButton()));
+
+    connect(UBApplication::mainWindow->actionGroupItems, SIGNAL(triggered()), this, SLOT(processGroupItems()));
 }
 
 UBGraphicsScene::~UBGraphicsScene()
@@ -307,6 +309,36 @@ void UBGraphicsScene::selectionChangedProcessing()
         UBApplication::showMessage("ZValue is " + QString::number(selectedItems().first()->zValue(), 'f') + "own z value is "
                                                 + QString::number(selectedItems().first()->data(UBGraphicsItemData::ItemOwnZValue).toReal(), 'f'));
 }
+void UBGraphicsScene::enableGroupingButton()
+{
+    QAction *groupAction = UBApplication::mainWindow->actionGroupItems;
+
+    if (selectedItems().count() > 1) {
+        groupAction->setEnabled(true);
+    } else {
+        groupAction->setEnabled(false);
+    }
+}
+void UBGraphicsScene::processGroupItems()
+{
+    qDebug() << "processing grouping items";
+
+    UBGraphicsGroupContainerItem *groupItem = new UBGraphicsGroupContainerItem();
+
+    foreach (QGraphicsItem *item, selectedItems()) {
+        item->setSelected(false);
+        item->setFlag(QGraphicsItem::ItemIsSelectable, false);
+        item->setFlag( QGraphicsItem::ItemIsMovable, false);
+        item->setFlag(QGraphicsItem::ItemIsFocusable);
+        groupItem->addToGroup(item);
+    }
+
+    addItem(groupItem);
+//    groupItem->setPos(50, 50);
+    groupItem->setVisible(true);
+    groupItem->setFocus();
+    qDebug() << groupItem->boundingRect();
+}
 
 // MARK: -
 // MARK: Mouse/Tablet events handling
@@ -1916,6 +1948,14 @@ void UBGraphicsScene::setOwnZlevel(QGraphicsItem *item)
 {
     item->setZValue(item->data(UBGraphicsItemData::ItemOwnZValue).toReal());
 }
+void UBGraphicsScene::groupItems(QList<QGraphicsItem *> &itemList)
+{
+    foreach (QGraphicsItem *item, itemList) {
+        qDebug() << "selected item found";
+        item->setSelected(false);
+    }
+}
+
 
 qreal UBGraphicsScene::changeZLevelTo(QGraphicsItem *item, UBZLayerController::moveDestination dest)
 {

src/domain/UBGraphicsScene.h

@@ -287,6 +287,8 @@ class UBGraphicsScene: public UBCoreGraphicsScene, public UBItem
 
         void setSelectedZLevel(QGraphicsItem *item);
         void setOwnZlevel(QGraphicsItem *item);
+
+        void groupItems(QList<QGraphicsItem *> &itemList);
 public slots:
 
         void hideEraser();
@@ -303,6 +305,8 @@ public slots:
         void setToolCursor(int tool);
 
         void selectionChangedProcessing();
+        void enableGroupingButton();
+        void processGroupItems();
 
         void moveMagnifier(QPoint newPos);
         void closeMagnifier();

src/domain/domain.pri

@@ -23,7 +23,9 @@ HEADERS      += src/domain/UBGraphicsScene.h \
     src/domain/UBGraphicsAudioItem.h \
     src/domain/UBGraphicsAudioItemDelegate.h \
     src/domain/UBAbstractUndoCommand.h\
-    src/domain/UBAngleWidget.h
+    src/domain/UBAngleWidget.h \
+    src/domain/ubgraphicsgroupcontaineritem.h \
+    src/domain/ubgraphicsgroupcontaineritemdelegate.h
                 
 HEADERS      += src/domain/UBGraphicsItemDelegate.h \
 				src/domain/UBGraphicsVideoItemDelegate.h \
@@ -56,7 +58,9 @@ SOURCES      += src/domain/UBGraphicsScene.cpp \
     src/domain/UBGraphicsAudioItem.cpp \
     src/domain/UBGraphicsAudioItemDelegate.cpp \
     src/domain/UBAbstractUndoCommand.cpp \
-    src/domain/UBAngleWidget.cpp
+    src/domain/UBAngleWidget.cpp \
+    src/domain/ubgraphicsgroupcontaineritem.cpp \
+    src/domain/ubgraphicsgroupcontaineritemdelegate.cpp
                 
 SOURCES      += src/domain/UBGraphicsItemDelegate.cpp \
 				src/domain/UBGraphicsVideoItemDelegate.cpp \

src/domain/ubgraphicsgroupcontaineritem.cpp

@@ -0,0 +1,86 @@
+#include "ubgraphicsgroupcontaineritem.h"
+
+#include <QtGui>
+
+#include "domain/UBGraphicsItemDelegate.h"
+#include "domain/ubgraphicsgroupcontaineritemdelegate.h"
+#include "domain/UBGraphicsScene.h"
+
+UBGraphicsGroupContainerItem::UBGraphicsGroupContainerItem(QGraphicsItem *parent)
+    : QGraphicsItemGroup(parent)
+{
+    setData(UBGraphicsItemData::ItemLayerType, UBItemLayerType::Object);
+
+    mDelegate = new UBGraphicsGroupContainerItemDelegate(this, 0);
+    mDelegate->init();
+
+    setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
+    setFlag(QGraphicsItem::ItemIsSelectable, true);
+    setFlag(QGraphicsItem::ItemIsMovable, true);
+
+    UBGraphicsGroupContainerItem::setAcceptHoverEvents(true);
+
+    setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::ObjectItem)); //Necessary to set if we want z value to be assigned correctly
+}
+
+
+UBGraphicsScene *UBGraphicsGroupContainerItem::scene()
+{
+    UBGraphicsScene *castScene = dynamic_cast<UBGraphicsScene*>(scene());
+
+    return castScene;
+}
+UBGraphicsGroupContainerItem *UBGraphicsGroupContainerItem::deepCopy() const
+{
+
+    UBGraphicsGroupContainerItem *copy = new UBGraphicsGroupContainerItem(parentItem());
+
+    copy->setPos(this->pos());
+    copy->setTransform(this->transform());
+    copy->setFlag(QGraphicsItem::ItemIsMovable, true);
+    copy->setFlag(QGraphicsItem::ItemIsSelectable, true);
+    copy->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType));
+    copy->setData(UBGraphicsItemData::ItemLocked, this->data(UBGraphicsItemData::ItemLocked));
+    copy->setUuid(this->uuid()); // this is OK for now as long as Widgets are imutable
+
+//    copy->resize(this->size());
+
+    return copy;
+}
+void UBGraphicsGroupContainerItem::remove()
+{
+    if (mDelegate)
+        mDelegate->remove();
+}
+
+
+void UBGraphicsGroupContainerItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (mDelegate->mousePressEvent(event)) {
+        //NOOP
+    } else {
+        QGraphicsItemGroup::mousePressEvent(event);
+        setSelected(true);
+    }
+}
+
+void UBGraphicsGroupContainerItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
+{
+    if (mDelegate->mouseMoveEvent(event)) {
+        // NOOP;
+    } else {
+        QGraphicsItemGroup::mouseMoveEvent(event);
+    }
+}
+
+void UBGraphicsGroupContainerItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
+{
+    mDelegate->mouseReleaseEvent(event);
+    QGraphicsItemGroup::mouseReleaseEvent(event);
+}
+
+QVariant UBGraphicsGroupContainerItem::itemChange(GraphicsItemChange change, const QVariant &value)
+{
+    QVariant newValue = mDelegate->itemChange(change, value);
+    return QGraphicsItemGroup::itemChange(change, newValue);
+}

src/domain/ubgraphicsgroupcontaineritem.h

@@ -0,0 +1,32 @@
+#ifndef UBGRAPHICSGROUPCONTAINERITEM_H
+#define UBGRAPHICSGROUPCONTAINERITEM_H
+
+#include <QGraphicsItem>
+
+#include "domain/UBItem.h"
+
+class UBGraphicsGroupContainerItem : public QGraphicsItemGroup, public UBItem, public UBGraphicsItem
+{
+
+public:
+    UBGraphicsGroupContainerItem (QGraphicsItem *parent = 0);
+    virtual UBGraphicsItemDelegate* Delegate() const { return mDelegate;}
+
+    virtual UBGraphicsScene* scene();
+    virtual UBGraphicsGroupContainerItem *deepCopy() const;
+    virtual void remove();
+
+
+protected:
+
+    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
+    virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+
+    virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
+
+private:
+
+};
+
+#endif // UBGRAPHICSGROUPCONTAINERITEM_H

src/domain/ubgraphicsgroupcontaineritemdelegate.cpp

@@ -0,0 +1,58 @@
+#include "ubgraphicsgroupcontaineritemdelegate.h"
+
+#include <QtGui>
+
+#include "UBGraphicsScene.h"
+#include "gui/UBResources.h"
+
+#include "domain/UBGraphicsDelegateFrame.h"
+#include "domain/ubgraphicsgroupcontaineritem.h"
+
+#include "core/memcheck.h"
+#include "board/UBBoardController.h"
+
+UBGraphicsGroupContainerItemDelegate::UBGraphicsGroupContainerItemDelegate(QGraphicsItem *pDelegated, QObject *parent) :
+    UBGraphicsItemDelegate(pDelegated, parent), mDestroyGroupButton(0)
+
+{
+
+}
+
+UBGraphicsGroupContainerItem *UBGraphicsGroupContainerItemDelegate::delegated()
+{
+    return dynamic_cast<UBGraphicsGroupContainerItem*>(mDelegated);
+}
+
+void UBGraphicsGroupContainerItemDelegate::decorateMenu(QMenu *menu)
+{
+    mLockAction = menu->addAction(tr("Locked"), this, SLOT(lock(bool)));
+    QIcon lockIcon;
+    lockIcon.addPixmap(QPixmap(":/images/locked.svg"), QIcon::Normal, QIcon::On);
+    lockIcon.addPixmap(QPixmap(":/images/unlocked.svg"), QIcon::Normal, QIcon::Off);
+    mLockAction->setIcon(lockIcon);
+    mLockAction->setCheckable(true);
+
+    mShowOnDisplayAction = mMenu->addAction(tr("Visible on Extended Screen"), this, SLOT(showHide(bool)));
+    mShowOnDisplayAction->setCheckable(true);
+
+    QIcon showIcon;
+    showIcon.addPixmap(QPixmap(":/images/eyeOpened.svg"), QIcon::Normal, QIcon::On);
+    showIcon.addPixmap(QPixmap(":/images/eyeClosed.svg"), QIcon::Normal, QIcon::Off);
+    mShowOnDisplayAction->setIcon(showIcon);
+}
+
+void UBGraphicsGroupContainerItemDelegate::buildButtons()
+{
+    UBGraphicsItemDelegate::buildButtons();
+
+    mDestroyGroupButton = new DelegateButton(":/images/font.svg", mDelegated, mFrame, Qt::TopLeftSection);
+
+    mButtons << mDestroyGroupButton;
+
+    connect(mDestroyGroupButton, SIGNAL(clicked()), this, SLOT(destroyGroup()));
+}
+
+void UBGraphicsGroupContainerItemDelegate::destroyGroup()
+{
+    castUBGraphicsScene()->destroyItemGroup(delegated());
+}

src/domain/ubgraphicsgroupcontaineritemdelegate.h

@@ -0,0 +1,29 @@
+#ifndef UBGRAPHICSGROUPCONTAINERITEMDELEGATE_H
+#define UBGRAPHICSGROUPCONTAINERITEMDELEGATE_H
+
+#include "domain/UBGraphicsItemDelegate.h"
+
+class UBGraphicsGroupContainerItem;
+
+class UBGraphicsGroupContainerItemDelegate : public UBGraphicsItemDelegate
+{
+public:
+    UBGraphicsGroupContainerItemDelegate(QGraphicsItem* pDelegated, QObject * parent = 0);
+
+    UBGraphicsGroupContainerItem *delegated();
+
+protected:
+    virtual void decorateMenu(QMenu *menu);
+    virtual void buildButtons();
+
+
+
+
+private slots:
+    void destroyGroup();
+
+private:
+    DelegateButton *mDestroyGroupButton;
+};
+
+#endif // UBGRAPHICSGROUPCONTAINERITEMDELEGATE_H