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/***************************************************************************
* *
* 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) 2004-2006 *
* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
***************************************************************************/
// own header
#include "toolbarstatemessages.h"
// kde includes
#include <kdebug.h>
// local includes
#include "floatingtextwidget.h"
#include "messagewidget.h"
#include "objectwidget.h"
#include "uml.h"
#include "umldoc.h"
#include "umlview.h"
ToolBarStateMessages::ToolBarStateMessages(UMLView *umlView) : ToolBarStatePool(umlView) {
m_firstObject = 0;
m_messageLine = 0;
}
ToolBarStateMessages::~ToolBarStateMessages() {
delete m_messageLine;
}
void ToolBarStateMessages::init() {
ToolBarStatePool::init();
cleanMessage();
}
void ToolBarStateMessages::cleanBeforeChange() {
ToolBarStatePool::cleanBeforeChange();
cleanMessage();
}
void ToolBarStateMessages::mouseMove(TQMouseEvent* ome) {
ToolBarStatePool::mouseMove(ome);
if (m_messageLine) {
TQPoint sp = m_messageLine->startPoint();
m_messageLine->setPoints(sp.x(), sp.y(), m_pMouseEvent->x(), m_pMouseEvent->y());
}
}
void ToolBarStateMessages::slotWidgetRemoved(UMLWidget* widget) {
ToolBarState::slotWidgetRemoved(widget);
if (widget == m_firstObject) {
cleanMessage();
}
}
void ToolBarStateMessages::setCurrentElement() {
m_isObjectWidgetLine = false;
ObjectWidget* objectWidgetLine = m_pUMLView->onWidgetLine(m_pMouseEvent->pos());
if (objectWidgetLine) {
setCurrentWidget(objectWidgetLine);
m_isObjectWidgetLine = true;
return;
}
//commit 515177 fixed a setting creation messages only working properly at 100% zoom
//However, the applied patch doesn't seem to be necessary no more, so it was removed
//The widgets weren't got from UMLView, but from a method in this class similarto the
//one in UMLView but containing special code to handle the zoom
UMLWidget *widget = m_pUMLView->getWidgetAt(m_pMouseEvent->pos());
if (widget) {
setCurrentWidget(widget);
return;
}
}
void ToolBarStateMessages::mouseReleaseWidget() {
//TODO When an association between UMLObjects of invalid types is made, an error message
//is shown. Shouldn't also a message be used here?
if (m_pMouseEvent->button() != Qt::LeftButton ||
getCurrentWidget()->getBaseType() != Uml::wt_Object) {
cleanMessage();
return;
}
if (!m_isObjectWidgetLine && !m_firstObject) {
return;
}
if (!m_isObjectWidgetLine) {
setSecondWidget(static_cast<ObjectWidget*>(getCurrentWidget()), CreationMessage);
return;
}
if (!m_firstObject) {
setFirstWidget(static_cast<ObjectWidget*>(getCurrentWidget()));
} else {
setSecondWidget(static_cast<ObjectWidget*>(getCurrentWidget()), NormalMessage);
}
}
void ToolBarStateMessages::mouseReleaseEmpty() {
cleanMessage();
}
void ToolBarStateMessages::setFirstWidget(ObjectWidget* firstObject) {
m_firstObject = firstObject;
m_messageLine = new TQCanvasLine(m_pUMLView->canvas());
m_messageLine->setPoints(m_pMouseEvent->x(), m_pMouseEvent->y(), m_pMouseEvent->x(), m_pMouseEvent->y());
m_messageLine->setPen(TQPen(m_pUMLView->getLineColor(), m_pUMLView->getLineWidth(), TQt::DashLine));
m_messageLine->tqsetVisible(true);
m_pUMLView->viewport()->setMouseTracking(true);
}
void ToolBarStateMessages::setSecondWidget(ObjectWidget* secondObject, MessageType messageType) {
Uml::Sequence_Message_Type msgType = getMessageType();
//TODO shouldn't start position in the first widget be used also for normal messages
//and not only for creation?
int y = m_pMouseEvent->y();
if (messageType == CreationMessage) {
msgType = Uml::sequence_message_creation;
y = m_messageLine->startPoint().y();
}
MessageWidget* message = new MessageWidget(m_pUMLView, m_firstObject,
secondObject, y, msgType);
cleanMessage();
m_pUMLView->getMessageList().append(message);
FloatingTextWidget *ft = message->getFloatingTextWidget();
//TODO cancel doesn't cancel the creation of the message, only cancels setting an operation.
//Shouldn't it cancel also the whole creation?
ft->showOpDlg();
message->setTextPosition();
m_pUMLView->getWidgetList().append(ft);
UMLApp::app()->getDocument()->setModified();
}
Uml::Sequence_Message_Type ToolBarStateMessages::getMessageType() {
if (getButton() == WorkToolBar::tbb_Seq_Message_Synchronous) {
return Uml::sequence_message_synchronous;
}
return Uml::sequence_message_asynchronous;
}
void ToolBarStateMessages::cleanMessage() {
m_firstObject = 0;
delete m_messageLine;
m_messageLine = 0;
}
#include "toolbarstatemessages.moc"
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