diff --git a/umbrello/umlwidgets/umlwidget.cpp b/umbrello/umlwidgets/umlwidget.cpp index 4eadf7481..7b14bbd94 100644 --- a/umbrello/umlwidgets/umlwidget.cpp +++ b/umbrello/umlwidgets/umlwidget.cpp @@ -1,2026 +1,2034 @@ /*************************************************************************** * 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. * * * * copyright (C) 2002-2014 * * Umbrello UML Modeller Authors * ***************************************************************************/ #include "umlwidget.h" // local includes #include "actor.h" #include "actorwidget.h" #include "associationwidget.h" #include "classifier.h" #include "classpropertiesdialog.h" #include "cmds.h" #include "debug_utils.h" #include "dialog_utils.h" #include "docwindow.h" #include "floatingtextwidget.h" #include "notewidget.h" #include "object_factory.h" #include "idchangelog.h" #include "menus/listpopupmenu.h" #include "port.h" #include "portwidget.h" #include "settingsdialog.h" #include "uml.h" #include "umldoc.h" #include "umllistview.h" #include "umlobject.h" #include "umlscene.h" #include "umlview.h" #include "usecase.h" #include "usecasewidget.h" #include "uniqueid.h" #include "widget_factory.h" // kde includes #include #include // qt includes #include #include #include #include using namespace Uml; DEBUG_REGISTER_DISABLED(UMLWidget) const QSizeF UMLWidget::DefaultMinimumSize(50, 20); const QSizeF UMLWidget::DefaultMaximumSize(1000, 5000); const int UMLWidget::defaultMargin = 5; const int UMLWidget::selectionMarkerSize = 4; const int UMLWidget::resizeMarkerLineCount = 3; /** * Creates a UMLWidget object. * * @param scene The view to be displayed on. * @param type The WidgetType to construct. * This must be set to the appropriate value by the constructors of inheriting classes. * @param o The UMLObject to represent. */ UMLWidget::UMLWidget(UMLScene * scene, WidgetType type, UMLObject * o) : WidgetBase(scene, type) { init(); m_umlObject = o; if (m_umlObject) { connect(m_umlObject, SIGNAL(modified()), this, SLOT(updateWidget())); m_nId = m_umlObject->id(); } } /** * Creates a UMLWidget object. * * @param scene The view to be displayed on. * @param type The WidgetType to construct. * This must be set to the appropriate value by the constructors of inheriting classes. * @param id The id of the widget. * The default value (id_None) will prompt generation of a new ID. */ UMLWidget::UMLWidget(UMLScene *scene, WidgetType type, Uml::ID::Type id) : WidgetBase(scene, type) { init(); if (id == Uml::ID::None) m_nId = UniqueID::gen(); else m_nId = id; } /** * Destructor. */ UMLWidget::~UMLWidget() { cleanup(); } /** * Assignment operator */ UMLWidget& UMLWidget::operator=(const UMLWidget & other) { if (this == &other) return *this; WidgetBase::operator=(other); // assign members loaded/saved m_useFillColor = other.m_useFillColor; m_usesDiagramFillColor = other.m_usesDiagramFillColor; m_usesDiagramUseFillColor = other.m_usesDiagramUseFillColor; m_fillColor = other.m_fillColor; m_Assocs = other.m_Assocs; m_isInstance = other.m_isInstance; m_instanceName = other.m_instanceName; m_instanceName = other.m_instanceName; m_showStereotype = other.m_showStereotype; setX(other.x()); setY(other.y()); setRect(rect().x(), rect().y(), other.width(), other.height()); // assign volatile (non-saved) members m_startMove = other.m_startMove; m_nPosX = other.m_nPosX; m_doc = other.m_doc; //new m_resizable = other.m_resizable; for (unsigned i = 0; i < FT_INVALID; ++i) m_pFontMetrics[i] = other.m_pFontMetrics[i]; m_activated = other.m_activated; m_ignoreSnapToGrid = other.m_ignoreSnapToGrid; m_ignoreSnapComponentSizeToGrid = other.m_ignoreSnapComponentSizeToGrid; return *this; } /** * Overload '==' operator */ bool UMLWidget::operator==(const UMLWidget& other) const { if (this == &other) return true; if (baseType() != other.baseType()) { return false; } if (id() != other.id()) return false; /* Testing the associations is already an exaggeration, no? The type and ID should uniquely identify an UMLWidget. */ if (m_Assocs.count() != other.m_Assocs.count()) { return false; } // if(getBaseType() != wt_Text) // DON'T do this for floatingtext widgets, an infinite loop will result // { AssociationWidgetListIt assoc_it(m_Assocs); AssociationWidgetListIt assoc_it2(other.m_Assocs); AssociationWidget * assoc = 0, *assoc2 = 0; while (assoc_it.hasNext() && assoc_it2.hasNext()) { assoc = assoc_it.next(); assoc2 = assoc_it2.next(); if (!(*assoc == *assoc2)) { return false; } } // } return true; // NOTE: In the comparison tests we are going to do, we don't need these values. // They will actually stop things functioning correctly so if you change these, be aware of that. /* if(m_useFillColor != other.m_useFillColor) return false; if(m_nId != other.m_nId) return false; if(m_nX != other.m_nX) return false; if(m_nY != other.m_nY) return false; */ } /** * Sets the local id of the object. * * @param id The local id of the object. */ void UMLWidget::setLocalID(Uml::ID::Type id) { m_nLocalID = id; } /** * Returns the local ID for this object. This ID is used so that * many objects of the same @ref UMLObject instance can be on the * same diagram. * * @return The local ID. */ Uml::ID::Type UMLWidget::localID() const { return m_nLocalID; } /** * Returns the widget with the given ID. * The default implementation tests the following IDs: * - m_nLocalID * - if m_umlObject is non NULL: m_umlObject->id() * - m_nID * Composite widgets override this function to test further owned widgets. * * @param id The ID to test this widget against. * @return 'this' if id is either of m_nLocalID, m_umlObject->id(), or m_nId; * else NULL. */ UMLWidget* UMLWidget::widgetWithID(Uml::ID::Type id) { if (id == m_nLocalID || (m_umlObject != 0 && id == m_umlObject->id()) || id == m_nId) return this; return 0; } /** * Compute the minimum possible width and height. * * @return QSizeF(mininum_width, minimum_height) */ QSizeF UMLWidget::minimumSize() const { return m_minimumSize; } /** * This method is used to set the minimum size variable for this * widget. * * @param newSize The size being set as minimum. */ void UMLWidget::setMinimumSize(const QSizeF& newSize) { m_minimumSize = newSize; } /** * Compute the maximum possible width and height. * * @return maximum size */ QSizeF UMLWidget::maximumSize() { return m_maximumSize; } /** * This method is used to set the maximum size variable for this * widget. * * @param newSize The size being set as maximum. */ void UMLWidget::setMaximumSize(const QSizeF& newSize) { m_maximumSize = newSize; } /** * Event handler for context menu events. */ void UMLWidget::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) { WidgetBase::contextMenuEvent(event); } /** * Moves the widget to a new position using the difference between the * current position and the new position. * This method doesn't adjust associations. It only moves the widget. * * It can be overridden to constrain movement only in one axis even when * the user isn't constraining the movement with shift or control buttons, for example. * The movement policy set here is applied whenever the widget is moved, being it * moving it explicitly, or as a part of a selection but not receiving directly the * mouse events. * * Default behaviour is move the widget to the new position using the diffs. * @see constrainMovementForAllWidgets * * @param diffX The difference between current X position and new X position. * @param diffY The difference between current Y position and new Y position. */ void UMLWidget::moveWidgetBy(qreal diffX, qreal diffY) { setX(x() + diffX); setY(y() + diffY); } /** * Modifies the value of the diffX and diffY variables used to move the widgets. * * It can be overridden to constrain movement of all the selected widgets only in one * axis even when the user isn't constraining the movement with shift or control * buttons, for example. * The difference with moveWidgetBy is that the diff positions used here are * applied to all the selected widgets instead of only to m_widget, and that * moveWidgetBy, in fact, moves the widget, and here simply the diff positions * are modified. * * Default behaviour is do nothing. * @see moveWidgetBy * * @param diffX The difference between current X position and new X position. * @param diffY The difference between current Y position and new Y position. */ void UMLWidget::constrainMovementForAllWidgets(qreal &diffX, qreal &diffY) { Q_UNUSED(diffX) Q_UNUSED(diffY) } /** * Bring the widget at the pressed position to the foreground. */ void UMLWidget::toForeground() { QRectF rect = QRectF(scenePos(), QSizeF(width(), height())); QList items = scene()->items(rect, Qt::IntersectsItemShape, Qt::DescendingOrder); DEBUG(DBG_SRC) << "items at " << rect << " = " << items.count(); if (items.count() > 1) { foreach(QGraphicsItem* i, items) { UMLWidget* w = dynamic_cast(i); if (w) { DEBUG(DBG_SRC) << "item=" << w->name() << " with zValue=" << w->zValue(); if (w->name() != name()) { if (w->zValue() >= zValue()) { setZValue(w->zValue() + 1.0); DEBUG(DBG_SRC) << "bring to foreground with zValue: " << zValue(); } } } } } else { setZValue(0.0); } DEBUG(DBG_SRC) << "zValue is " << zValue(); } /** * Handles a mouse press event. * It'll select the widget (or mark it to be deselected) and prepare it to * be moved or resized. Go on reading for more info about this. * * Widget values and message bar status are saved. * * If shift or control buttons are pressed, we're in move area no matter * where the button was pressed in the widget. Moreover, if the widget * wasn't already selected, it's added to the selection. If already selected, * it's marked to be deselected when releasing the button (provided it isn't * moved). * Also, if the widget is already selected with other widgets but shift nor * control buttons are pressed, we're in move area. If finally we don't move * the widget, it's selected and the other widgets deselected when releasing * the left button. * * If shift nor control buttons are pressed, we're facing a single selection. * Depending on the position of the cursor, we're in move or in resize area. * If the widget wasn't selected (both when there are no widgets selected, or * when there're other widgets selected but not the one receiving the press * event) it's selected and the others deselected, if any. If already selected, * it's marked to be deselected when releasing the button (provided it wasn't * moved or resized). * * @param event The QGraphicsSceneMouseEvent event. */ void UMLWidget::mousePressEvent(QGraphicsSceneMouseEvent *event) { if (event->button() != Qt::LeftButton) { event->ignore(); return; } event->accept(); DEBUG(DBG_SRC) << "widget = " << name() << " / type = " << baseTypeStr(); toForeground(); m_startMovePostion = pos(); m_startResizeSize = QSizeF(width(), height()); // saving the values of the widget m_pressOffset = event->scenePos() - pos(); DEBUG(DBG_SRC) << "press offset=" << m_pressOffset; m_oldStatusBarMsg = UMLApp::app()->statusBarMsg(); if (event->modifiers() == Qt::ShiftModifier || event->modifiers() == Qt::ControlModifier) { m_shiftPressed = true; if (event->button() == Qt::LeftButton) { m_inMoveArea = true; } if (!isSelected()) { selectMultiple(event); } return; } m_shiftPressed = false; int count = m_scene->selectedCount(true); if (event->button() == Qt::LeftButton) { if (isSelected() && count > 1) { // single selection is made in release event if the widget wasn't moved m_inMoveArea = true; m_oldPos = pos(); return; } if (isInResizeArea(event)) { m_inResizeArea = true; m_oldW = width(); m_oldH = height(); } else { m_inMoveArea = true; } } // if widget wasn't selected, or it was selected but with other widgets also selected if (!isSelected() || count > 1) { selectSingle(event); } } /** * Handles a mouse move event. * It resizes or moves the widget, depending on where the cursor is pressed * on the widget. Go on reading for more info about this. * * If resizing, the widget is resized using UMLWidget::resizeWidget (where specific * widget resize constraint can be applied), and then the associations are * adjusted. * The resizing can be constrained also to a specific axis using control * and shift buttons. If on or another is pressed, it's constrained to X axis. * If both are pressed, it's constrained to Y axis. * * If not resizing, the widget is being moved. If the move is being started, * the selection bounds are set (which includes updating the list of selected * widgets). * The difference between the previous position of the selection and the new * one is got (taking in account the selection bounds so widgets don't go * beyond the scene limits). Then, it's constrained to X or Y axis depending * on shift and control buttons. * A further constraint is made using constrainMovementForAllWidgets (for example, * if the widget that receives the event can only be moved in Y axis, with this * method the movement of all the widgets in the selection can be constrained to * be moved only in Y axis). * Then, all the selected widgets are moved using moveWidgetBy (where specific * widget movement constraint can be applied) and, if a certain amount of time * passed from the last move event, the associations are also updated (they're * not updated always to be easy on the CPU). Finally, the scene is resized, * and selection bounds updated. * * @param event The QGraphicsSceneMouseEvent event. */ void UMLWidget::mouseMoveEvent(QGraphicsSceneMouseEvent* event) { if (m_inResizeArea) { resize(event); return; } if (!m_moved) { UMLApp::app()->document()->writeToStatusBar(i18n("Hold shift or ctrl to move in X axis. Hold shift and control to move in Y axis. Right button click to cancel move.")); m_moved = true; //Maybe needed by AssociationWidget m_startMove = true; setSelectionBounds(); } QPointF position = event->scenePos() - m_pressOffset; qreal diffX = position.x() - x(); qreal diffY = position.y() - y(); if ((event->modifiers() & Qt::ShiftModifier) && (event->modifiers() & Qt::ControlModifier)) { // move only in Y axis diffX = 0; } else if ((event->modifiers() & Qt::ShiftModifier) || (event->modifiers() & Qt::ControlModifier)) { // move only in X axis diffY = 0; } constrainMovementForAllWidgets(diffX, diffY); // nothing to move if (diffX == 0 && diffY == 0) { return; } QPointF delta = event->scenePos() - event->lastScenePos(); DEBUG(DBG_SRC) << "diffX=" << diffX << " / diffY=" << diffY; foreach(UMLWidget* widget, umlScene()->selectedWidgets()) { if ((widget->parentItem() == 0) || (!widget->parentItem()->isSelected())) { widget->moveWidgetBy(diffX, diffY); widget->adjustUnselectedAssocs(delta.x(), delta.y()); widget->slotSnapToGrid(); } } // Move any selected associations. foreach(AssociationWidget* aw, m_scene->selectedAssocs()) { if (aw->isSelected()) { aw->moveEntireAssoc(diffX, diffY); } } umlScene()->resizeSceneToItems(); } /** * Handles a mouse release event. * It selects or deselects the widget and cancels or confirms the move or * resize. Go on reading for more info about this. * No matter which tool is selected, Z position of widget is updated. * * Middle button release resets the selection. * Left button release, if it wasn't moved nor resized, selects the widget * and deselect the others if it wasn't selected and there were other widgets * selected. If the widget was marked to be deselected, deselects it. * If it was moved or resized, the document is set to modified if position * or size changed. Also, if moved, all the associations are adjusted because * the timer could have prevented the adjustment in the last move event before * the release. * If mouse was pressed in resize area, cursor is set again to normal cursor * Right button release if right button was pressed shows the pop up menu for * the widget. * If left button was pressed, it cancels the move or resize with a mouse move * event at the same position than the cursor was when pressed. Another left * button release is also sent. * * @param event The QGraphicsSceneMouseEvent event. */ void UMLWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) { if (!m_moved && !m_resized) { if (!m_shiftPressed && (m_scene->selectedCount(true) > 1)) { selectSingle(event); } else if (!isSelected()) { deselect(event); } } else { // Commands if (m_moved) { int selectionCount = umlScene()->selectedWidgets().count(); if (selectionCount > 1) { UMLApp::app()->beginMacro(i18n("Move widgets")); } foreach(UMLWidget* widget, umlScene()->selectedWidgets()) { UMLApp::app()->executeCommand(new Uml::CmdMoveWidget(widget)); } if (selectionCount > 1) { UMLApp::app()->endMacro(); } m_moved = false; } else { UMLApp::app()->executeCommand(new Uml::CmdResizeWidget(this)); m_autoResize = false; m_resized = false; } if ((m_inMoveArea && wasPositionChanged()) || (m_inResizeArea && wasSizeChanged())) { umlDoc()->setModified(true); } UMLApp::app()->document()->writeToStatusBar(m_oldStatusBarMsg); } if (m_inResizeArea) { m_inResizeArea = false; m_scene->activeView()->setCursor(Qt::ArrowCursor); } else { m_inMoveArea = false; } m_startMove = false; } /** * Event handler for mouse double click events. * @param event the QGraphicsSceneMouseEvent event. */ void UMLWidget::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) { if (event->button() == Qt::LeftButton) { DEBUG(DBG_SRC) << "widget = " << name() << " / type = " << baseTypeStr(); showPropertiesDialog(); event->accept(); } } /** * Return the start position of the move action. * @return point where the move began */ QPointF UMLWidget::startMovePosition() const { return m_startMovePostion; } /** * Set the start position of the move action. * @param position point where the move began */ void UMLWidget::setStartMovePosition(const QPointF &position) { m_startMovePostion = position; } /** * Return the start size of the resize action. * @return size where the resize began */ QSizeF UMLWidget::startResizeSize() const { return m_startResizeSize; } /** * Resizes the widget. * It's called from resize, after the values are constrained and before * the associations are adjusted. * * Default behaviour is resize the widget using the new size values. * @see resize * * @param newW The new width for the widget. * @param newH The new height for the widget. */ void UMLWidget::resizeWidget(qreal newW, qreal newH) { setSize(newW, newH); } /** * Notify child widget about parent resizes. * Child widgets can override this function to move when their parent is resized. */ void UMLWidget::notifyParentResize() { } /** * When a widget changes this slot captures that signal. */ void UMLWidget::updateWidget() { updateGeometry(); switch (baseType()) { case WidgetBase::wt_Class: m_scene->createAutoAttributeAssociations(this); break; case WidgetBase::wt_Entity: m_scene->createAutoConstraintAssociations(this); break; default: break; } if (isVisible()) update(); } /** * Apply possible constraints to the given candidate width and height. * The default implementation limits input values to the bounds returned * by minimumSize()/maximumSize(). * * @param width input value, may be modified by the constraint * @param height input value, may be modified by the constraint */ void UMLWidget::constrain(qreal& width, qreal& height) { QSizeF minSize = minimumSize(); if (width < minSize.width()) width = minSize.width(); if (height < minSize.height()) height = minSize.height(); QSizeF maxSize = maximumSize(); if (width > maxSize.width()) width = maxSize.width(); if (height > maxSize.height()) height = maxSize.height(); if (fixedAspectRatio()) { QSizeF size = rect().size(); float aspectRatio = size.width() > 0 ? (float)size.height()/size.width() : 1; height = width * aspectRatio; } } /** * Initializes key attributes of the class. */ void UMLWidget::init() { m_nId = Uml::ID::None; m_nLocalID = UniqueID::gen(); m_isInstance = false; setMinimumSize(DefaultMinimumSize); setMaximumSize(DefaultMaximumSize); m_font = QApplication::font(); for (int i = (int)FT_INVALID - 1; i >= 0; --i) { FontType fontType = (FontType)i; setupFontType(m_font, fontType); m_pFontMetrics[fontType] = new QFontMetrics(m_font); } if (m_scene) { m_useFillColor = true; m_usesDiagramFillColor = true; m_usesDiagramUseFillColor = true; const Settings::OptionState& optionState = m_scene->optionState(); m_fillColor = optionState.uiState.fillColor; m_showStereotype = optionState.classState.showStereoType; } else { uError() << "SERIOUS PROBLEM - m_scene is NULL"; m_useFillColor = false; m_usesDiagramFillColor = false; m_usesDiagramUseFillColor = false; m_showStereotype = false; } m_resizable = true; m_fixedAspectRatio = false; m_startMove = false; m_activated = false; m_ignoreSnapToGrid = false; m_ignoreSnapComponentSizeToGrid = false; m_doc = UMLApp::app()->document(); m_nPosX = 0; connect(m_scene, SIGNAL(sigFillColorChanged(Uml::ID::Type)), this, SLOT(slotFillColorChanged(Uml::ID::Type))); connect(m_scene, SIGNAL(sigLineColorChanged(Uml::ID::Type)), this, SLOT(slotLineColorChanged(Uml::ID::Type))); connect(m_scene, SIGNAL(sigTextColorChanged(Uml::ID::Type)), this, SLOT(slotTextColorChanged(Uml::ID::Type))); connect(m_scene, SIGNAL(sigLineWidthChanged(Uml::ID::Type)), this, SLOT(slotLineWidthChanged(Uml::ID::Type))); m_umlObject = 0; m_oldPos = QPointF(); m_pressOffset = QPointF(); m_oldW = 0; m_oldH = 0; m_shiftPressed = false; m_inMoveArea = false; m_inResizeArea = false; m_moved = false; m_resized = false; // propagate line color set by base class constructor // which does not call the virtual methods from this class. setLineColor(lineColor()); setZValue(2.0); // default for most widgets } /** * This is usually called synchronously after menu.exec() and \a * trigger's parent is always the ListPopupMenu which can be used to * get the type of action of \a trigger. * * @note Subclasses can reimplement to handle specific actions and * leave the rest to WidgetBase::slotMenuSelection. */ void UMLWidget::slotMenuSelection(QAction *trigger) { if (!trigger) { return; } ListPopupMenu::MenuType sel = ListPopupMenu::typeFromAction(trigger); switch (sel) { case ListPopupMenu::mt_Resize: umlScene()->resizeSelection(); break; case ListPopupMenu::mt_AutoResize: setAutoResize(trigger->isChecked()); updateGeometry(); break; case ListPopupMenu::mt_Rename_Object: { QString name = m_instanceName; bool ok = Dialog_Utils::askName(i18n("Rename Object"), i18n("Enter object name:"), name); if (ok) { m_instanceName = name; updateGeometry(); moveEvent(0); update(); UMLApp::app()->document()->setModified(true); } break; } case ListPopupMenu::mt_FloatText: { FloatingTextWidget* ft = new FloatingTextWidget(umlScene()); ft->showChangeTextDialog(); //if no text entered delete if (!FloatingTextWidget::isTextValid(ft->text())) { delete ft; } else { ft->setID(UniqueID::gen()); addWidget(ft, false); } break; } case ListPopupMenu::mt_Actor: { UMLActor *actor = new UMLActor; UMLWidget *widget = new ActorWidget(umlScene(), actor); addConnectedWidget(widget, Uml::AssociationType::Association); break; } case ListPopupMenu::mt_Note: { NoteWidget *widget = new NoteWidget(umlScene()); addConnectedWidget(widget, Uml::AssociationType::Anchor); break; } case ListPopupMenu::mt_Port: { // TODO: merge with ToolbarStateOneWidget::setWidget() UMLPackage* component = umlObject()->asUMLPackage(); QString name = Model_Utils::uniqObjectName(UMLObject::ot_Port, component); if (Dialog_Utils::askName(i18n("Enter Port Name"), i18n("Enter the port"), name)) { UMLPort *port = Object_Factory::createUMLObject(UMLObject::ot_Port, name, component)->asUMLPort(); UMLWidget *umlWidget = Widget_Factory::createWidget(umlScene(), port); umlWidget->setParentItem(this); umlScene()->setupNewWidget(umlWidget); } break; } case ListPopupMenu::mt_UseCase: { UMLUseCase *useCase = new UMLUseCase; UMLWidget *widget = new UseCaseWidget(umlScene(), useCase); addConnectedWidget(widget, Uml::AssociationType::Association); break; } default: WidgetBase::slotMenuSelection(trigger); break; } } /** * Captures when another widget moves if this widget is linked to it. * @see sigWidgetMoved * * @param id The id of object behind the widget. */ void UMLWidget::slotWidgetMoved(Uml::ID::Type /*id*/) { } /** * Captures a color change signal. * * @param viewID The id of the UMLScene behind the widget. */ void UMLWidget::slotFillColorChanged(Uml::ID::Type viewID) { //only change if on the diagram concerned if (m_scene->ID() != viewID) { return; } if (m_usesDiagramFillColor) { WidgetBase::setFillColor(m_scene->fillColor()); } if (m_usesDiagramUseFillColor) { WidgetBase::setUseFillColor(m_scene->useFillColor()); } update(); } /** * Captures a text color change signal. * * @param viewID The id of the UMLScene behind the widget. */ void UMLWidget::slotTextColorChanged(Uml::ID::Type viewID) { //only change if on the diagram concerned if (m_scene->ID() != viewID) return; WidgetBase::setTextColor(m_scene->textColor()); update(); } /** * Captures a line color change signal. * * @param viewID The id of the UMLScene behind the widget. */ void UMLWidget::slotLineColorChanged(Uml::ID::Type viewID) { //only change if on the diagram concerned if (m_scene->ID() != viewID) return; if (m_usesDiagramLineColor) { WidgetBase::setLineColor(m_scene->lineColor()); } update(); } /** * Captures a linewidth change signal. * * @param viewID The id of the UMLScene behind the widget. */ void UMLWidget::slotLineWidthChanged(Uml::ID::Type viewID) { //only change if on the diagram concerned if (m_scene->ID() != viewID) { return; } if (m_usesDiagramLineWidth) { WidgetBase::setLineWidth(m_scene->lineWidth()); } update(); } /** * Set the status of using fill color (undo action) * * @param fc the status of using fill color. */ void UMLWidget::setUseFillColor(bool fc) { if (useFillColor() != fc) { UMLApp::app()->executeCommand(new CmdChangeUseFillColor(this, fc)); } } /** * Set the status of using fill color. * * @param fc the status of using fill color. */ void UMLWidget::setUseFillColorCmd(bool fc) { WidgetBase::setUseFillColor(fc); update(); } /** * Overrides the method from WidgetBase. */ void UMLWidget::setTextColorCmd(const QColor &color) { WidgetBase::setTextColor(color); update(); } /** * Overrides the method from WidgetBase. */ void UMLWidget::setTextColor(const QColor &color) { if (textColor() != color) { UMLApp::app()->executeCommand(new CmdChangeTextColor(this, color)); update(); } } /** * Overrides the method from WidgetBase. */ void UMLWidget::setLineColorCmd(const QColor &color) { WidgetBase::setLineColor(color); update(); } /** * Overrides the method from WidgetBase. */ void UMLWidget::setLineColor(const QColor &color) { if (lineColor() != color) { UMLApp::app()->executeCommand(new CmdChangeLineColor(this, color)); } } /** * Overrides the method from WidgetBase, execute CmdChangeLineWidth */ void UMLWidget::setLineWidth(uint width) { if (lineWidth() != width) { UMLApp::app()->executeCommand(new CmdChangeLineWidth(this, width)); } } /** * Overrides the method from WidgetBase. */ void UMLWidget::setLineWidthCmd(uint width) { WidgetBase::setLineWidth(width); update(); } /** * Sets the background fill color * * @param color the new fill color */ void UMLWidget::setFillColor(const QColor &color) { if (fillColor() != color) { UMLApp::app()->executeCommand(new CmdChangeFillColor(this, color)); } } /** * Sets the background fill color * * @param color the new fill color */ void UMLWidget::setFillColorCmd(const QColor &color) { WidgetBase::setFillColor(color); update(); } /** * Activate the object after serializing it from a QDataStream * * @param ChangeLog * @return true for success */ bool UMLWidget::activate(IDChangeLog* /*ChangeLog = 0 */) { if (widgetHasUMLObject(baseType()) && m_umlObject == 0) { m_umlObject = m_doc->findObjectById(m_nId); if (m_umlObject == 0) { uError() << "cannot find UMLObject with id=" << Uml::ID::toString(m_nId); return false; } } setFontCmd(m_font); setSize(width(), height()); m_activated = true; updateGeometry(); if (m_scene->getPaste()) { FloatingTextWidget * ft = 0; QPointF point = m_scene->getPastePoint(); int x = point.x() + this->x(); int y = point.y() + this->y(); if (m_scene->type() == Uml::DiagramType::Sequence) { switch (baseType()) { case WidgetBase::wt_Object: case WidgetBase::wt_Precondition : setY(this->y()); setX(x); break; case WidgetBase::wt_Message: setY(this->y()); setX(x); break; case WidgetBase::wt_Text: ft = static_cast(this); if (ft->textRole() == Uml::TextRole::Seq_Message) { setX(x); setY(this->y()); } else { setX(this->x()); setY(this->y()); } break; default: setY(y); break; }//end switch base type }//end if sequence else { setX(x); setY(y); } }//end if pastepoint else { setX(this->x()); setY(this->y()); } if (m_scene->getPaste()) m_scene->createAutoAssociations(this); updateGeometry(); return true; } /** * Returns true if the Activate method has been called for this instance * * @return The activate status. */ bool UMLWidget::isActivated() const { return m_activated; } /** * Set the m_activated flag of a widget but does not perform the Activate method * * @param active Status of activation is to be set. */ void UMLWidget::setActivated(bool active /*=true*/) { m_activated = active; } /** * Adds an already created association to the list of * associations that include this UMLWidget */ void UMLWidget::addAssoc(AssociationWidget* pAssoc) { if (pAssoc && !associationWidgetList().contains(pAssoc)) { associationWidgetList().append(pAssoc); } } /** * Returns the list of associations connected to this widget. */ AssociationWidgetList &UMLWidget::associationWidgetList() const { m_Assocs.removeAll(0); return m_Assocs; } /** * Removes an already created association from the list of * associations that include this UMLWidget */ void UMLWidget::removeAssoc(AssociationWidget* pAssoc) { if (pAssoc) { associationWidgetList().removeAll(pAssoc); } if (changesShape()) { updateGeometry(); } } /** * Adjusts associations with the given co-ordinates * * @param dx The amount by which the widget moved in X direction. * @param dy The amount by which the widget moved in Y direction. */ void UMLWidget::adjustAssocs(qreal dx, qreal dy) { qDebug() << this; // don't adjust Assocs on file load, as // the original positions, which are stored in XMI // should be reproduced exactly // (don't try to reposition assocs as long // as file is only partly loaded -> reposition // could be misguided) /// @todo avoid trigger of this event during load if (m_doc->loading()) { // don't recalculate the assocs during load of XMI // -> return immediately without action return; } foreach(AssociationWidget* assocwidget, associationWidgetList()) { assocwidget->saveIdealTextPositions(); } foreach(AssociationWidget* assocwidget, associationWidgetList()) { assocwidget->widgetMoved(this, dx, dy); } } /** * Adjusts all unselected associations with the given co-ordinates * * @param dx The amount by which the widget moved in X direction. * @param dy The amount by which the widget moved in Y direction. */ void UMLWidget::adjustUnselectedAssocs(qreal dx, qreal dy) { foreach(AssociationWidget* assocwidget, associationWidgetList()) { if (!assocwidget->isSelected()) assocwidget->saveIdealTextPositions(); } foreach(AssociationWidget* assocwidget, associationWidgetList()) { if (!assocwidget->isSelected()) { assocwidget->widgetMoved(this, dx, dy); } } } /** * Show a properties dialog for a UMLWidget. */ bool UMLWidget::showPropertiesDialog() { bool result = false; // will already be selected so make sure docWindow updates the doc // back it the widget UMLApp::app()->docWindow()->updateDocumentation(false); QPointer dlg = new ClassPropertiesDialog((QWidget*)UMLApp::app(), this); if (dlg->exec()) { UMLApp::app()->docWindow()->showDocumentation(umlObject(), true); m_doc->setModified(true); result = true; } dlg->close(); //wipe from memory delete dlg; return result; } /** * Move the widget by an X and Y offset relative to * the current position. */ void UMLWidget::moveByLocal(qreal dx, qreal dy) { qreal newX = x() + dx; qreal newY = y() + dy; setX(newX); setY(newY); adjustAssocs(dx, dy); } /** * Set the pen. */ void UMLWidget::setPenFromSettings(QPainter & p) { p.setPen(QPen(m_lineColor, m_lineWidth)); } /** * Set the pen. */ void UMLWidget::setPenFromSettings(QPainter *p) { p->setPen(QPen(m_lineColor, m_lineWidth)); } /** * Returns the cursor to be shown when resizing the widget. * Default cursor is KCursor::sizeFDiagCursor(). * * @return The cursor to be shown when resizing the widget. */ QCursor UMLWidget::resizeCursor() const { return Qt::SizeFDiagCursor; } /** * Checks if the mouse is in resize area (right bottom corner), and sets * the cursor depending on that. * The cursor used when resizing is gotten from resizeCursor(). * * @param me The QMouseEVent to check. * @return true if the mouse is in resize area, false otherwise. */ bool UMLWidget::isInResizeArea(QGraphicsSceneMouseEvent *me) { qreal m = 10.0; const qreal w = width(); const qreal h = height(); // If the widget itself is very small then make the resize area small, too. // Reason: Else it becomes impossible to do a move instead of resize. if (w - m < m || h - m < m) { m = 2.0; } if (m_resizable && me->scenePos().x() >= (x() + w - m) && me->scenePos().y() >= (y() + h - m)) { m_scene->activeView()->setCursor(resizeCursor()); return true; } else { m_scene->activeView()->setCursor(Qt::ArrowCursor); return false; } } /** * calculate content related size of widget. * * @return calculated widget size */ QSizeF UMLWidget::calculateSize(bool withExtensions /* = true */) const { Q_UNUSED(withExtensions) const QFontMetrics &fm = getFontMetrics(UMLWidget::FT_NORMAL); const int fontHeight = fm.lineSpacing(); if (m_umlObject) { qreal width = 0, height = defaultMargin; if (!m_umlObject->stereotype().isEmpty()) { height += fontHeight; const QFontMetrics &bfm = UMLWidget::getFontMetrics(UMLWidget::FT_BOLD); const int stereoWidth = bfm.size(0, m_umlObject->stereotype(true)).width(); if (stereoWidth > width) width = stereoWidth; } height += fontHeight; const QFontMetrics &bfm = UMLWidget::getFontMetrics(UMLWidget::FT_BOLD); const int nameWidth = bfm.size(0, m_umlObject->name()).width(); if (nameWidth > width) width = nameWidth; return QSizeF(width + 2*defaultMargin, height); } else return QSizeF(width(), height()); } /** * Resize widget to minimum size. */ void UMLWidget::resize() { qreal oldW = width(); qreal oldH = height(); // @TODO minimumSize() do not work in all cases, we need a dedicated autoResize() method QSizeF size = minimumSize(); setSize(size.width(), size.height()); DEBUG(DBG_SRC) << "size=" << size; adjustAssocs(size.width()-oldW, size.height()-oldH); } /** * Resizes the widget and adjusts the associations. * It's called when a mouse move event happens and the cursor was * in resize area when pressed. * Resizing can be constrained to an specific axis using control and shift buttons. * * @param me The QGraphicsSceneMouseEvent to get the values from. */ void UMLWidget::resize(QGraphicsSceneMouseEvent *me) { - // TODO the status message lies for at least MessageWidget which could only be resized vertical - UMLApp::app()->document()->writeToStatusBar(i18n("Hold shift or ctrl to move in X axis. Hold shift and control to move in Y axis. Right button click to cancel resize.")); + QString msgX = i18n("Hold shift or control to move in X axis."); + QString msgY = i18n("Hold shift and control to move in Y axis."); + QString msg; + if (isMessageWidget()) + msg = msgY; + else if (isObjectWidget()) + msg = msgX; + else + msg = QString(QLatin1String("%1 %2")).arg(msgX, msgY); + UMLApp::app()->document()->writeToStatusBar(msg); m_resized = true; qreal newW = m_oldW + me->scenePos().x() - x() - m_pressOffset.x(); qreal newH = m_oldH + me->scenePos().y() - y() - m_pressOffset.y(); if ((me->modifiers() & Qt::ShiftModifier) && (me->modifiers() & Qt::ControlModifier)) { //Move in Y axis newW = m_oldW; } else if ((me->modifiers() & Qt::ShiftModifier) || (me->modifiers() & Qt::ControlModifier)) { //Move in X axis newH = m_oldH; } constrain(newW, newH); resizeWidget(newW, newH); DEBUG(DBG_SRC) << "event=" << me->scenePos() << "/ pos=" << pos() << " / newW=" << newW << " / newH=" << newH; QPointF delta = me->scenePos() - me->lastScenePos(); adjustAssocs(delta.x(), delta.y()); m_scene->resizeSceneToItems(); } /** * Checks if the size of the widget changed respect to the size that * it had when press event was fired. * * @return true if was resized, false otherwise. */ bool UMLWidget::wasSizeChanged() { return m_oldW != width() || m_oldH != height(); } /** * Checks if the position of the widget changed respect to the position that * it had when press event was fired. * * @return true if was moved, false otherwise. */ bool UMLWidget::wasPositionChanged() { return m_oldPos != pos(); } /** * Fills m_selectedWidgetsList and sets the selection bounds ((m_min/m_max)X/Y attributes). */ void UMLWidget::setSelectionBounds() { } void UMLWidget::setSelectedFlag(bool _select) { WidgetBase::setSelected(_select); } /** * Sets the state of whether the widget is selected. * * @param _select The state of whether the widget is selected. */ void UMLWidget::setSelected(bool _select) { WidgetBase::setSelected(_select); const WidgetBase::WidgetType wt = baseType(); if (_select) { if (m_scene->selectedCount() == 0) { if (widgetHasUMLObject(wt)) { UMLApp::app()->docWindow()->showDocumentation(m_umlObject, false); } else { UMLApp::app()->docWindow()->showDocumentation(this, false); } }//end if /* if (wt != wt_Text && wt != wt_Box) { setZ(9);//keep text on top and boxes behind so don't touch Z value } */ } else { /* if (wt != wt_Text && wt != wt_Box) { setZ(m_origZ); } */ if (isSelected()) UMLApp::app()->docWindow()->updateDocumentation(true); } update(); // selection changed, we have to make sure the copy and paste items // are correctly enabled/disabled UMLApp::app()->slotCopyChanged(); // select in tree view as done for diagrams if (_select) { UMLListViewItem * item = UMLApp::app()->listView()->findItem(id()); if (item) UMLApp::app()->listView()->setCurrentItem(item); else UMLApp::app()->listView()->clearSelection(); } } /** * Selects the widget and clears the other selected widgets, if any. * * @param me The QGraphicsSceneMouseEvent which made the selection. */ void UMLWidget::selectSingle(QGraphicsSceneMouseEvent *me) { m_scene->clearSelected(); // Adds the widget to the selected widgets list, but as it has been cleared // only the current widget is selected. selectMultiple(me); } /** * Selects the widget and adds it to the list of selected widgets. * * @param me The QGraphicsSceneMouseEvent which made the selection. */ void UMLWidget::selectMultiple(QGraphicsSceneMouseEvent *me) { Q_UNUSED(me); setSelected(true); } /** * Deselects the widget and removes it from the list of selected widgets. * * @param me The QGraphicsSceneMouseEvent which made the selection. */ void UMLWidget::deselect(QGraphicsSceneMouseEvent *me) { Q_UNUSED(me); setSelected(false); } /** * Clears the selection, resets the toolbar and deselects the widget. */ //void UMLWidget::resetSelection() //{ // m_scene->clearSelected(); // m_scene->resetToolbar(); // setSelected(false); //} /** * Sets the view the widget is on. * * @param scene The UMLScene the widget is on. */ void UMLWidget::setScene(UMLScene *scene) { //remove signals from old view - was probably 0 anyway disconnect(m_scene, SIGNAL(sigFillColorChanged(Uml::ID::Type)), this, SLOT(slotFillColorChanged(Uml::ID::Type))); disconnect(m_scene, SIGNAL(sigTextColorChanged(Uml::ID::Type)), this, SLOT(slotTextColorChanged(Uml::ID::Type))); disconnect(m_scene, SIGNAL(sigLineWidthChanged(Uml::ID::Type)), this, SLOT(slotLineWidthChanged(Uml::ID::Type))); m_scene = scene; connect(m_scene, SIGNAL(sigFillColorChanged(Uml::ID::Type)), this, SLOT(slotFillColorChanged(Uml::ID::Type))); connect(m_scene, SIGNAL(sigTextColorChanged(Uml::ID::Type)), this, SLOT(slotTextColorChanged(Uml::ID::Type))); connect(m_scene, SIGNAL(sigLineWidthChanged(Uml::ID::Type)), this, SLOT(slotLineWidthChanged(Uml::ID::Type))); } /** * Sets the x-coordinate. * Currently, the only class that reimplements this method is * ObjectWidget. * * @param x The x-coordinate to be set. */ void UMLWidget::setX(qreal x) { QGraphicsObject::setX(x); } /** * Sets the y-coordinate. * Currently, the only class that reimplements this method is * ObjectWidget. * * @param y The y-coordinate to be set. */ void UMLWidget::setY(qreal y) { QGraphicsObject::setY(y); } /** * Used to cleanup any other widget it may need to delete. * Used by child classes. This should be called before deleting a widget of a diagram. */ void UMLWidget::cleanup() { } /** * Tells the widget to snap to grid. * Will use the grid settings of the @ref UMLView it belongs to. */ void UMLWidget::slotSnapToGrid() { if (!m_ignoreSnapToGrid) { qreal newX = m_scene->snappedX(x()); setX(newX); qreal newY = m_scene->snappedY(y()); setY(newY); } } /** * Returns whether the widget type has an associated UMLObject */ bool UMLWidget::widgetHasUMLObject(WidgetBase::WidgetType type) { if (type == WidgetBase::wt_Actor || type == WidgetBase::wt_UseCase || type == WidgetBase::wt_Class || type == WidgetBase::wt_Interface || type == WidgetBase::wt_Enum || type == WidgetBase::wt_Datatype || type == WidgetBase::wt_Package || type == WidgetBase::wt_Component || type == WidgetBase::wt_Port || type == WidgetBase::wt_Node || type == WidgetBase::wt_Artifact || type == WidgetBase::wt_Object) { return true; } else { return false; } } /** * Set m_ignoreSnapToGrid. */ void UMLWidget::setIgnoreSnapToGrid(bool to) { m_ignoreSnapToGrid = to; } /** * Return the value of m_ignoreSnapToGrid. */ bool UMLWidget::getIgnoreSnapToGrid() const { return m_ignoreSnapToGrid; } /** * Sets the size. * If m_scene->snapComponentSizeToGrid() is true, then * set the next larger size that snaps to the grid. */ void UMLWidget::setSize(qreal width, qreal height) { // snap to the next larger size that is a multiple of the grid if (!m_ignoreSnapComponentSizeToGrid && m_scene->snapComponentSizeToGrid()) { // integer divisions int numX = width / m_scene->snapX(); int numY = height / m_scene->snapY(); // snap to the next larger valid value if (width > numX * m_scene->snapX()) width = (numX + 1) * m_scene->snapX(); if (height > numY * m_scene->snapY()) height = (numY + 1) * m_scene->snapY(); } const QRectF newRect(rect().x(), rect().y(), width, height); setRect(newRect); foreach(QGraphicsItem* child, childItems()) { UMLWidget* umlChild = static_cast(child); umlChild->notifyParentResize(); } } /** * Sets the size with another size. */ void UMLWidget::setSize(const QSizeF& size) { setSize(size.width(), size.height()); } /** * Update the size of this widget. * * @param withAssocs true - update associations too */ void UMLWidget::updateGeometry(bool withAssocs) { if (m_doc->loading()) { return; } if (!m_autoResize) return; qreal oldW = width(); qreal oldH = height(); QSizeF size = calculateSize(); qreal clipWidth = size.width(); qreal clipHeight = size.height(); constrain(clipWidth, clipHeight); setSize(clipWidth, clipHeight); slotSnapToGrid(); if (withAssocs) adjustAssocs(size.width()-oldW, size.height()-oldH); update(); } /** * clip the size of this widget against the * minimal and maximal limits. */ void UMLWidget::clipSize() { qreal clipWidth = width(); qreal clipHeight = height(); constrain(clipWidth, clipHeight); setSize(clipWidth, clipHeight); } /** * Template Method, override this to set the default font metric. */ void UMLWidget::setDefaultFontMetrics(QFont &font, UMLWidget::FontType fontType) { setupFontType(font, fontType); setFontMetrics(fontType, QFontMetrics(font)); } void UMLWidget::setupFontType(QFont &font, UMLWidget::FontType fontType) { switch (fontType) { case FT_NORMAL: font.setBold(false); font.setItalic(false); font.setUnderline(false); break; case FT_BOLD: font.setBold(true); font.setItalic(false); font.setUnderline(false); break; case FT_ITALIC: font.setBold(false); font.setItalic(true); font.setUnderline(false); break; case FT_UNDERLINE: font.setBold(false); font.setItalic(false); font.setUnderline(true); break; case FT_BOLD_ITALIC: font.setBold(true); font.setItalic(true); font.setUnderline(false); break; case FT_BOLD_UNDERLINE: font.setBold(true); font.setItalic(false); font.setUnderline(true); break; case FT_ITALIC_UNDERLINE: font.setBold(false); font.setItalic(true); font.setUnderline(true); break; case FT_BOLD_ITALIC_UNDERLINE: font.setBold(true); font.setItalic(true); font.setUnderline(true); break; default: return; } } void UMLWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { Q_UNUSED(option); Q_UNUSED(widget); if (option->state & QStyle::State_Selected) { const qreal w = width(); const qreal h = height(); const qreal s = selectionMarkerSize; QBrush brush(Qt::blue); painter->fillRect(0, 0, s, s, brush); painter->fillRect(0, 0 + h - s, s, s, brush); painter->fillRect(0 + w - s, 0, s, s, brush); // Draw the resize anchor in the lower right corner. // Don't draw it if the widget is so small that the // resize anchor would cover up most of the widget. if (m_resizable && w >= s+8 && h >= s+8) { brush.setColor(Qt::red); const int right = 0 + w; const int bottom = 0 + h; painter->drawLine(right - s, 0 + h - 1, 0 + w - 1, 0 + h - s); painter->drawLine(right - (s*2), bottom - 1, right - 1, bottom - (s*2)); painter->drawLine(right - (s*3), bottom - 1, right - 1, bottom - (s*3)); } else { painter->fillRect(0 + w - s, 0 + h - s, s, s, brush); } // debug info if (Tracer::instance()->isEnabled(QLatin1String(metaObject()->className()))) { painter->setPen(Qt::green); painter->setBrush(Qt::NoBrush); painter->drawPath(shape()); painter->setPen(Qt::blue); painter->drawRect(boundingRect()); // origin painter->drawLine(-10, 0, 10, 0); painter->drawLine(0, -10, 0, 10); } } if (umlScene()->isShowDocumentationIndicator() && hasDocumentation()) { const qreal h = height(); const qreal d = 8; QPolygonF p; p << QPointF(0, h - d) << QPointF(d, h) << QPointF(0, h); painter->setPen(Qt::blue); painter->setBrush(Qt::red); painter->drawPolygon(p); } } /** * Template Method, override this to set the default font metric. */ void UMLWidget::setDefaultFontMetrics(QFont &font, UMLWidget::FontType fontType, QPainter &painter) { setupFontType(font, fontType); painter.setFont(font); setFontMetrics(fontType, painter.fontMetrics()); } /** * Returns the font metric used by this object for Text * which uses bold/italic fonts. */ QFontMetrics &UMLWidget::getFontMetrics(UMLWidget::FontType fontType) const { return *m_pFontMetrics[fontType]; } /** * Set the font metric to use. */ void UMLWidget::setFontMetrics(UMLWidget::FontType fontType, QFontMetrics fm) { delete m_pFontMetrics[fontType]; m_pFontMetrics[fontType] = new QFontMetrics(fm); } /** * Sets the font the widget is to use. * * @param font Font to be set. */ void UMLWidget::setFont(const QFont &font) { QFont newFont = font; forceUpdateFontMetrics(newFont, 0); if (m_font != newFont) { UMLApp::app()->executeCommand(new CmdChangeFont(this, font)); } } /** * Sets the font the widget is to use. * * @param font Font to be set. */ void UMLWidget::setFontCmd(const QFont &font) { WidgetBase::setFont(font); forceUpdateFontMetrics(0); if (m_doc->loading()) return; update(); } /** * Updates font metrics for widgets current m_font */ void UMLWidget::forceUpdateFontMetrics(QPainter *painter) { forceUpdateFontMetrics(m_font, painter); } /** * @note For performance Reasons, only FontMetrics for already used * font types are updated. Not yet used font types will not get a font metric * and will get the same font metric as if painter was zero. * This behaviour is acceptable, because diagrams will always be shown on Display * first before a special painter like a printer device is used. */ void UMLWidget::forceUpdateFontMetrics(QFont& font, QPainter *painter) { if (painter == 0) { for (int i = (int)FT_INVALID - 1; i >= 0; --i) { if (m_pFontMetrics[(UMLWidget::FontType)i] != 0) setDefaultFontMetrics(font, (UMLWidget::FontType)i); } } else { for (int i2 = (int)FT_INVALID - 1; i2 >= 0; --i2) { if (m_pFontMetrics[(UMLWidget::FontType)i2] != 0) setDefaultFontMetrics(font, (UMLWidget::FontType)i2, *painter); } } if (m_doc->loading()) return; // calculate the size, based on the new font metric updateGeometry(); } /** * Set the status of whether to show Stereotype. * * @param flag True if stereotype shall be shown. */ void UMLWidget::setShowStereotype(bool flag) { m_showStereotype = flag; updateGeometry(); update(); } /** * Returns the status of whether to show Stereotype. * * @return True if stereotype is shown. */ bool UMLWidget::showStereotype() const { return m_showStereotype; } /** * Overrides the standard operation. * * @param me The move event. */ void UMLWidget::moveEvent(QGraphicsSceneMouseEvent* me) { Q_UNUSED(me) } void UMLWidget::saveToXMI1(QDomDocument & qDoc, QDomElement & qElement) { /* Call after required actions in child class. Type must be set in the child class. */ WidgetBase::saveToXMI1(qDoc, qElement); qElement.setAttribute(QLatin1String("xmi.id"), Uml::ID::toString(id())); qreal dpiScale = UMLApp::app()->document()->dpiScale(); qElement.setAttribute(QLatin1String("x"), QString::number(x() / dpiScale)); qElement.setAttribute(QLatin1String("y"), QString::number(y() / dpiScale)); qElement.setAttribute(QLatin1String("width"), QString::number(width() / dpiScale)); qElement.setAttribute(QLatin1String("height"), QString::number(height() / dpiScale)); qElement.setAttribute(QLatin1String("isinstance"), m_isInstance); if (!m_instanceName.isEmpty()) qElement.setAttribute(QLatin1String("instancename"), m_instanceName); if (m_showStereotype) qElement.setAttribute(QLatin1String("showstereotype"), m_showStereotype); // Unique identifier for widget (todo: id() should be unique, new attribute // should indicate the UMLObject's ID it belongs to) qElement.setAttribute(QLatin1String("localid"), Uml::ID::toString(m_nLocalID)); } bool UMLWidget::loadFromXMI1(QDomElement & qElement) { QString id = qElement.attribute(QLatin1String("xmi.id"), QLatin1String("-1")); m_nId = Uml::ID::fromString(id); WidgetBase::loadFromXMI1(qElement); QString x = qElement.attribute(QLatin1String("x"), QLatin1String("0")); QString y = qElement.attribute(QLatin1String("y"), QLatin1String("0")); QString h = qElement.attribute(QLatin1String("height"), QLatin1String("0")); QString w = qElement.attribute(QLatin1String("width"), QLatin1String("0")); qreal dpiScale = UMLApp::app()->document()->dpiScale(); setSize(toDoubleFromAnyLocale(w) * dpiScale, toDoubleFromAnyLocale(h) * dpiScale); setX(toDoubleFromAnyLocale(x) * dpiScale); setY(toDoubleFromAnyLocale(y) * dpiScale); QString isinstance = qElement.attribute(QLatin1String("isinstance"), QLatin1String("0")); m_isInstance = (bool)isinstance.toInt(); m_instanceName = qElement.attribute(QLatin1String("instancename")); QString showstereo = qElement.attribute(QLatin1String("showstereotype"), QLatin1String("0")); m_showStereotype = (bool)showstereo.toInt(); QString localid = qElement.attribute(QLatin1String("localid"), QLatin1String("0")); if (localid != QLatin1String("0")) { m_nLocalID = Uml::ID::fromString(localid); } return true; } /** * Adds a widget to the diagram, which is connected to the current widget * @param widget widget instance to add to diagram * @param type association type */ void UMLWidget::addConnectedWidget(UMLWidget *widget, Uml::AssociationType::Enum type) { umlScene()->addItem(widget); widget->setX(x() + rect().width() + 100); widget->setY(y()); widget->setSize(100, 40); AssociationWidget* assoc = AssociationWidget::create(umlScene(), this, type, widget); umlScene()->addAssociation(assoc); widget->showPropertiesDialog(); QSizeF size = widget->minimumSize(); widget->setSize(size); } /** * Adds a widget to the diagram, which is connected to the current widget * @param widget widget instance to add to diagram * @param showProperties whether to show properties of the widget */ void UMLWidget::addWidget(UMLWidget *widget, bool showProperties) { umlScene()->addItem(widget); widget->setX(x() + rect().width() + 100); widget->setY(y()); widget->setSize(100, 40); if (showProperties) widget->showPropertiesDialog(); QSizeF size = widget->minimumSize(); widget->setSize(size); }