umbrello
toolbarstatearrow.cpp

00001 /***************************************************************************
00002  *                                                                         *
00003  *   This program is free software; you can redistribute it and/or modify  *
00004  *   it under the terms of the GNU General Public License as published by  *
00005  *   the Free Software Foundation; either version 2 of the License, or     *
00006  *   (at your option) any later version.                                   *
00007  *                                                                         *
00008  *   copyright (C) 2004-2006                                               *
00009  *   Umbrello UML Modeller Authors <uml-devel@uml.sf.net>                  *
00010  ***************************************************************************/
00011 
00012 // own header
00013 #include "toolbarstatearrow.h"
00014 
00015 // app includes
00016 #include "associationwidget.h"
00017 #include "uml.h"
00018 #include "umlview.h"
00019 #include "umlwidget.h"
00020 
00021 ToolBarStateArrow::ToolBarStateArrow(UMLView *umlView): ToolBarState(umlView) {
00022     m_selectionRect.setAutoDelete(true);
00023 
00024     init();
00025 }
00026 
00027 ToolBarStateArrow::~ToolBarStateArrow() {
00028 }
00029 
00030 void ToolBarStateArrow::init() {
00031     ToolBarState::init();
00032 
00033     m_selectionRect.clear();
00034 }
00035 
00036 void ToolBarStateArrow::mousePressAssociation() {
00037     getCurrentAssociation()->mousePressEvent(m_pMouseEvent);
00038 }
00039 
00040 void ToolBarStateArrow::mousePressWidget() {
00041     getCurrentWidget()->mousePressEvent(m_pMouseEvent);
00042 }
00043 
00044 void ToolBarStateArrow::mousePressEmpty() {
00045     if (m_pMouseEvent->button() != Qt::LeftButton) {
00046         // Leave widgets selected upon RMB press on empty diagram area.
00047         // The popup menu is activated upon RMB release.
00048         return;
00049     }
00050     ToolBarState::mousePressEmpty();
00051 
00052     // Starts the selection rectangle
00053     if (m_selectionRect.count() == 0) {
00054         m_startPosition = m_pMouseEvent->pos();
00055 
00056         for (int i = 0; i < 4; i++) {
00057             QCanvasLine* line = new QCanvasLine(m_pUMLView->canvas());
00058             line->setPoints(m_pMouseEvent->x(), m_pMouseEvent->y(),
00059                             m_pMouseEvent->x(), m_pMouseEvent->y());
00060             line->setPen(QPen(QColor("grey"), 0, Qt::DotLine));
00061             line->setVisible(true);
00062             line->setZ(100);
00063             m_selectionRect.append(line);
00064         }
00065     }
00066 }
00067 
00068 void ToolBarStateArrow::mouseReleaseAssociation() {
00069     getCurrentAssociation()->mouseReleaseEvent(m_pMouseEvent);
00070 }
00071 
00072 void ToolBarStateArrow::mouseReleaseWidget() {
00073     getCurrentWidget()->mouseReleaseEvent(m_pMouseEvent);
00074 }
00075 
00076 void ToolBarStateArrow::mouseReleaseEmpty() {
00077     if (m_selectionRect.count() == 4) {
00078         m_selectionRect.clear();
00079     } else if (m_pMouseEvent->button() == Qt::RightButton) {
00080         m_pUMLView->setMenu();
00081     }
00082 }
00083 
00084 void ToolBarStateArrow::mouseDoubleClickAssociation() {
00085     getCurrentAssociation()->mouseDoubleClickEvent(m_pMouseEvent);
00086 }
00087 
00088 void ToolBarStateArrow::mouseDoubleClickWidget() {
00089     getCurrentWidget()->mouseDoubleClickEvent(m_pMouseEvent);
00090 }
00091 
00092 void ToolBarStateArrow::mouseMoveAssociation() {
00093     getCurrentAssociation()->mouseMoveEvent(m_pMouseEvent);
00094 }
00095 
00096 void ToolBarStateArrow::mouseMoveWidget() {
00097     getCurrentWidget()->mouseMoveEvent(m_pMouseEvent);
00098 }
00099 
00100 void ToolBarStateArrow::mouseMoveEmpty() {
00101     if (m_selectionRect.count() == 4) {
00102         QCanvasLine* line = m_selectionRect.at(0);
00103         line->setPoints(m_startPosition.x(), m_startPosition.y(),
00104                         m_pMouseEvent->x(), m_startPosition.y());
00105 
00106         line = m_selectionRect.at(1);
00107         line->setPoints(m_pMouseEvent->x(), m_startPosition.y(),
00108                         m_pMouseEvent->x(), m_pMouseEvent->y());
00109 
00110         line = m_selectionRect.at(2);
00111         line->setPoints(m_pMouseEvent->x(), m_pMouseEvent->y(),
00112                         m_startPosition.x(), m_pMouseEvent->y());
00113 
00114         line = m_selectionRect.at(3);
00115         line->setPoints(m_startPosition.x(), m_pMouseEvent->y(),
00116                         m_startPosition.x(), m_startPosition.y());
00117 
00118         m_pUMLView->selectWidgets(m_startPosition.x(), m_startPosition.y(),
00119                                   m_pMouseEvent->x(), m_pMouseEvent->y());
00120     }
00121 }
00122 
00123 void ToolBarStateArrow::changeTool() {
00124 }
00125 
00126 void ToolBarStateArrow::setCurrentWidget(UMLWidget* currentWidget) {
00127     if (currentWidget != 0 && getCurrentWidget() != 0) {
00128         return;
00129     }
00130 
00131     ToolBarState::setCurrentWidget(currentWidget);
00132 }
00133 
00134 #include "toolbarstatearrow.moc"
umbrello API Documentation

toolbarstatearrow.cpp
