1 files changed, 124 insertions, 0 deletions
diff --git a/umbrello/umbrello/seqlinewidget.cpp b/umbrello/umbrello/seqlinewidget.cpp
new file mode 100644
index 00000000..a4be0216
--- /dev/null
+++ b/umbrello/umbrello/seqlinewidget.cpp
@@ -0,0 +1,124 @@
+/***************************************************************************
+ *                                                                         *
+ *   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) 2002-2007                                               *
+ *   Umbrello UML Modeller Authors <uml-devel@uml.sf.net>                  *
+ ***************************************************************************/
+
+// own header
+#include "seqlinewidget.h"
+
+//kde includes
+#include <kcursor.h>
+#include <kdebug.h>
+//app includes
+#include "umlview.h"
+#include "objectwidget.h"
+#include "messagewidget.h"
+
+// class members
+int const SeqLineWidget::m_nMouseDownEpsilonX = 20;
+
+SeqLineWidget::SeqLineWidget( UMLView * pView, ObjectWidget * pObject ) : QCanvasLine( pView -> canvas() ) {
+    m_pView = pView;
+    m_pObject = pObject;
+    setPen( QPen( m_pObject->getLineColor(), 0, Qt::DashLine ) );
+    setZ( 0 );
+    setVisible( true );
+    m_DestructionBox.line1 = 0;
+    m_nLengthY = 250;
+    setupDestructionBox();
+}
+
+SeqLineWidget::~SeqLineWidget() {}
+
+int SeqLineWidget::onWidget( const QPoint & p ) {
+    int nOnWidget = 0;
+    QPoint sp = startPoint();
+    QPoint ep = endPoint();
+    //see if on widget ( for message creation )
+    if( sp.x() - m_nMouseDownEpsilonX < p.x()
+            && ep.x() + m_nMouseDownEpsilonX > p.x()
+            && sp.y() < p.y() && ep.y() + 3 > p.y() )
+    {
+        nOnWidget = 1;
+    }
+    return nOnWidget;
+}
+
+void SeqLineWidget::cleanup() {
+    cleanupDestructionBox();
+}
+
+void SeqLineWidget::setStartPoint( int startX, int startY ) {
+    int endX = startX;
+    int endY = startY + m_nLengthY;
+    QCanvasLine::setPoints( startX, startY, endX, endY );
+    moveDestructionBox();
+}
+
+void SeqLineWidget::cleanupDestructionBox() {
+    if ( m_DestructionBox.line1 ) {
+        delete m_DestructionBox.line1;
+        m_DestructionBox.line1 = 0;
+        delete m_DestructionBox.line2;
+        m_DestructionBox.line2 = 0;
+    }
+}
+
+void SeqLineWidget::setupDestructionBox() {
+    cleanupDestructionBox();
+    if( !m_pObject->getShowDestruction() ) {
+        return;
+    }
+    QRect rect;
+    rect.setX( m_pObject->getX() + m_pObject->getWidth() / 2 - 10 );
+    rect.setY( m_pObject->getY() + m_pObject->getHeight() + m_nLengthY );
+    rect.setWidth( 14 );
+    rect.setHeight( 14 );
+
+    m_DestructionBox.line1 = new QCanvasLine( m_pView->canvas() );
+    m_DestructionBox.setLine1Points(rect);
+    m_DestructionBox.line1->setVisible( true );
+    m_DestructionBox.line1->setPen( QPen(m_pObject->getLineColor(), 2) );
+    m_DestructionBox.line1->setZ( 3 );
+
+    m_DestructionBox.line2 = new QCanvasLine( m_pView -> canvas() );
+    m_DestructionBox.setLine2Points(rect);
+    m_DestructionBox.line2->setVisible( true );
+    m_DestructionBox.line2->setPen( QPen(m_pObject->getLineColor(), 2) );
+    m_DestructionBox.line2->setZ( 3 );
+}
+
+void SeqLineWidget::moveDestructionBox() {
+    if( !m_DestructionBox.line1 ) {
+        return;
+    }
+    QRect rect;
+    rect.setX( m_pObject->getX() + m_pObject->getWidth() / 2 - 7 );
+    rect.setY( m_pObject->getY() + m_pObject->getHeight() + m_nLengthY - 7 );
+    rect.setWidth( 14 );
+    rect.setHeight( 14 );
+    m_DestructionBox.setLine1Points(rect);
+    m_DestructionBox.setLine2Points(rect);
+}
+
+void SeqLineWidget::setEndOfLine(int yPosition) {
+    QPoint sp = startPoint();
+    int newY = yPosition;
+    m_nLengthY = yPosition - m_pObject->getY() - m_pObject->getHeight();
+    // normally the managing Objectwidget is responsible for the call of this function
+    // but to be sure - make a double check _against current position_
+    if ( m_nLengthY < 0 ) {
+        m_nLengthY = 0;
+        newY = m_pObject->getY() + m_pObject->getHeight();
+    }
+    setPoints( sp.x(), sp.y(), sp.x(), newY );
+    moveDestructionBox();
+    m_pView->resizeCanvasToItems();
+}
+