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centerlineview.cpp
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centerlineview.cpp
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/*
* centerlineview.cpp
*
* CenterlineView classes
* Copyright (C) 2002 lignum Computing, Inc. <lignumcad@lignumcomputing.com>
* $Id$
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <qaction.h>
#include <QMenu>
#include <qlineedit.h>
#include <qradiobutton.h>
#include <qlabel.h>
#include <qcursor.h>
#include "OGLFT.h"
#include "units.h"
#include "command.h"
#include "lignumcadmainwindow.h"
#include "cursorfactory.h"
#include "line.h"
#include "page.h"
#include "pageview.h"
#include "designbookview.h"
#include "model.h"
#include "openglview.h"
#include "alignment.h"
#include "handle.h"
#include "gl2ps.h"
#include "listviewitem.h"
#include "dimensionview.h"
#include "lcdefaultlengthspinbox.h"
#include "lcconstraintchooser.h"
#include "centerline.h"
#include "centerlineinfodialog.h"
#include "centerlineview.h"
#include <QMouseEvent>
namespace Space2D {
class CenterlineViewCreate : public CreateObject {
//! When CommandHistory undoes or redoes the creation of this object,
//! the Design Book view is the only handle which is required. Everything
//! else can be looked up.
DesignBookView* design_book_view_;
//! The details of the centerline and view are stored as XML.
QDomDocument xml_doc_;
public:
/*!
* Create a memento of the current state of the centerline and its view.
* \param centerline_view view object of the centerline.
*/
CenterlineViewCreate ( CenterlineView* centerline_view )
{
design_book_view_ = centerline_view->parent()->parent();
QDomElement root = xml_doc_.createElement( lC::STR::MEMENTO );
root.setAttribute( lC::STR::NAME, centerline_view->dbURL().toString() );
centerline_view->centerline()->write( root );
centerline_view->write( root );
xml_doc_.appendChild( root );
}
//! Destructor doesn't do much.
~CenterlineViewCreate ( void ) {}
/*!
* (Re)create the centerline object and its view as specified in
* the XML representation.
*/
void create ( void )
{
QDomNodeList memento_list = xml_doc_.elementsByTagName( lC::STR::MEMENTO );
if ( memento_list.length() > 0 ) {
DBURL url = memento_list.item(0).toElement().attribute( lC::STR::NAME );
// First, we have to find the parent page and view for the centerline.
DBURL parent = url.parent();
Page* page =
dynamic_cast<Page*>( design_book_view_->model()->lookup( parent ) );
PageView* page_view =
dynamic_cast<PageView*>( design_book_view_->lookup( parent ) );
// Now, we can extract the XML representations for the centerline
// and its view
QDomNodeList centerline_list =
xml_doc_.elementsByTagName( lC::STR::CENTERLINE );
if ( centerline_list.length() > 0 ) {
QDomNodeList centerline_view_list =
xml_doc_.elementsByTagName( lC::STR::CENTERLINE_VIEW );
if ( centerline_view_list.length() > 0 ) {
uint centerline_id =
centerline_list.item(0).toElement().attribute( lC::STR::ID ).toUInt();
new Centerline( centerline_id, centerline_list.item(0).toElement(),
page );
page_view->
addFigureView( new CenterlineView( centerline_view_list.
item(0).toElement(),
page_view ) );
}
}
// See if there are any constraints which should be put back
// in place when this centerline is restored.
QDomNodeList unconstraint_list =
xml_doc_.elementsByTagName( lC::STR::UNCONSTRAINTS );
if ( unconstraint_list.length() > 0 ) {
QDomNode n = unconstraint_list.item( 0 ).firstChild();
while ( !n.isNull() ) {
QDomElement e = n.toElement();
if ( e.tagName() == lC::STR::CONSTRAINED_LINE ) {
DBURL db_url = e.attribute( lC::STR::URL );
ConstrainedLine* line =
dynamic_cast<ConstrainedLine*>( page->model()->lookup( db_url ));
if ( line != 0 ) {
QDomElement new_constraint = e.firstChild().toElement();
line->setConstraint( new_constraint );
}
else
cerr << "Yikes, line did not exist!" << endl;
}
else if ( e.tagName() == lC::STR::DIMENSION_VIEW ) {
DBURL db_url = e.attribute( lC::STR::URL );
FigureView* figure_view =
dynamic_cast<FigureView*>( design_book_view_->lookup( db_url ) );
if ( figure_view != 0 ) {
QDomElement dimension_view = e.firstChild().toElement();
figure_view->setDimensionView( dimension_view );
}
else
cerr << "Yikes, figure view did not exist!" << endl;
}
n = n.nextSibling();
}
}
}
}
/*!
* Delete the centerline object and its view as specified in the
* XML representation.
*/
void remove ( void )
{
QDomNodeList memento_list = xml_doc_.elementsByTagName( lC::STR::MEMENTO );
if ( memento_list.length() > 0 ) {
DBURL url = memento_list.item(0).toElement().attribute( lC::STR::NAME );
CenterlineView* centerline_view =
dynamic_cast<CenterlineView*>( design_book_view_->lookup( url ) );
DBURL parent = url.parent();
PageView* page_view =
dynamic_cast<PageView*>( design_book_view_->lookup( parent ) );
page_view->removeFigureView( centerline_view );
}
}
/*!
* \return the XML representation.
*/
QDomDocument* representation ( void ) { return &xml_doc_; }
/*!
* Append the contents of the XML representation to the argument XML
* document.
* \param xml_rep CommandHistory's global XML document.
*/
void write ( QDomDocument* xml_rep )
{
QDomElement rep_root = xml_rep->firstChild().toElement();
QDomElement doc_root = xml_doc_.firstChild().toElement();
rep_root.setAttribute( lC::STR::NAME, doc_root.attribute( lC::STR::NAME ) );
QDomNodeList centerline_list =
xml_doc_.elementsByTagName( lC::STR::CENTERLINE );
if ( centerline_list.length() > 0 ) {
QDomNode element = xml_rep->importNode( centerline_list.item(0), true );
rep_root.appendChild( element );
}
QDomNodeList centerline_view_list =
xml_doc_.elementsByTagName( lC::STR::CENTERLINE_VIEW );
if ( centerline_view_list.length() > 0 ) {
QDomNode element = xml_rep->importNode( centerline_view_list.item(0),
true );
rep_root.appendChild( element );
}
QDomNodeList constraint_list =
xml_doc_.elementsByTagName( lC::STR::CONSTRAINTS );
if ( constraint_list.length() > 0 ) {
QDomNode element = xml_rep->importNode( constraint_list.item(0), true );
rep_root.appendChild( element );
}
QDomNodeList unconstraint_list =
xml_doc_.elementsByTagName( lC::STR::UNCONSTRAINTS );
if ( unconstraint_list.length() > 0 ) {
QDomNode element = xml_rep->importNode( unconstraint_list.item(0), true );
rep_root.appendChild( element );
}
}
/*!
* If the creation of a centerline is immediately followed by a rename,
* merge this into the representation rather than having a separate
* undo step.
* \param rename the rename command.
* \return true if the rename command applied to this object.
*/
bool mergeRename ( RenameCommand* rename )
{
// First, make sure the rename refers to this object. Start by extracting
// the old path.
QDomNodeList memento_list = xml_doc_.elementsByTagName( lC::STR::MEMENTO );
if ( memento_list.length() > 0 ) {
QString path = memento_list.item(0).toElement().attribute( lC::STR::NAME );
if ( path != rename->oldDBURL().toString() )
return false;
// Additional sanity check: make sure the object and its view have elements.
QDomNodeList centerline_list =
xml_doc_.elementsByTagName( lC::STR::CENTERLINE );
QDomNodeList centerline_view_list =
xml_doc_.elementsByTagName( lC::STR::CENTERLINE_VIEW );
if ( centerline_list.length() == 0 ||
centerline_view_list.length() == 0 )
return false;
// Update the name elements in the object and it's view.
memento_list.item(0).toElement().setAttribute( lC::STR::NAME,
rename->newDBURL().toString() );
centerline_list.item(0).toElement().
setAttribute( lC::STR::NAME, rename->newDBURL().name() );
centerline_view_list.item(0).toElement().setAttribute( lC::STR::CENTERLINE,
rename->newDBURL().toString() );
return true;
}
return false;
}
};
QChar centerline_symbol_( 0x2104 );
CenterlineCreateInput::CenterlineCreateInput( Centerline* centerline,
CenterlineView* centerline_view )
: centerline_( centerline ), centerline_view_( centerline_view )
{}
void CenterlineCreateInput::startDisplay ( QMenu* context_menu )
{
context_menu_ = context_menu;
QAction* cancel_action =
centerline_view_->parent()->lCMW()->getUi()->cancelCenterlineAction;
separator_id_ = context_menu_->addSeparator();
context_menu_ ->addAction( cancel_action );
connect( cancel_action, SIGNAL( activated() ), SLOT( cancelOperation() ) );
centerline_view_->view()->
setCursor( CursorFactory::instance().cursor( CursorFactory::CENTERLINE ) );
}
void CenterlineCreateInput::mousePrepress ( QMouseEvent* /*me*/,
const SelectedNames& /*selected*/ )
{}
void CenterlineCreateInput::mousePress ( QMouseEvent* me,
const SelectedNames& selected )
{
start_ = centerline_view_->view()->unproject2D( me->pos() );
UnitsBasis::instance()->round( start_ );
Line* centerline = 0;
SelectedNames::const_iterator f;
for ( f = selected.begin(); f != selected.end(); ++f ) {
FigureView* fv =
dynamic_cast< FigureView* >( centerline_view_->parent()->
figureSelectionNames()[ (*f).second[0] ].get() );
std::vector<GLuint>::const_iterator g;
for ( g = (*f).second.begin(); g != (*f).second.end(); ++g ) {
Line* line = dynamic_cast< Line* >( fv->geometry( *g ) );
if ( line != 0 ) {
centerline = line;
}
}
}
if ( centerline != 0 ) {
centerline_->line()->setConstraint( new Coincident( centerline ) );
}
else {
centerline_->line()->setConstraint( new Offset( start_, &Y_AXIS ) );
centerline_view_->view()->
setCursor( CursorFactory::instance().cursor( CursorFactory::LINE_ROTATE ) );
}
}
void CenterlineCreateInput::mouseDrag ( QMouseEvent* me,
const SelectedNames& /*selected*/ )
{
ConstrainedLine* line = centerline_->line();
if ( line->isAdjustable() ) {
Point current = centerline_view_->view()->unproject2D( me->pos() );
UnitsBasis::instance()->round( current );
double orientation = (current - start_).orientation();
// Currently, there're only horizontal and vertical centerlines
if ( fabs( orientation ) <= 45. || fabs( orientation ) > 135. ) {
if ( !line->isHorizontal() )
line->setReference( start_, &X_AXIS );
}
else {
if ( !line->isVertical() )
line->setReference( start_, &Y_AXIS );
}
}
}
bool CenterlineCreateInput::mouseRelease ( QMouseEvent* /*me*/,
const SelectedNames& /*selected*/ )
{
PageView* page_view = centerline_view_->parent();
QAction* cancel_action = page_view->lCMW()->getUi()->cancelCenterlineAction;
cancel_action->disconnect();
context_menu_->removeAction( cancel_action );
context_menu_->removeAction( separator_id_ );
centerline_->setComplete( true );
centerline_view_->unsetCursor();
page_view->figureComplete();
page_view->activateFigure( centerline_view_ );
CommandHistory::instance().
addCommand( new CreateCommand( "create centerline",
centerline_view_->memento() ) );
return false;
}
void CenterlineCreateInput::keyPress ( QKeyEvent* ke )
{
if ( ke->key() == Qt::Key_Escape )
cancelOperation();
else
ke->ignore();
}
void CenterlineCreateInput::cancelOperation ( void )
{
PageView* page_view = centerline_view_->parent();
QAction* cancel_action = page_view->lCMW()->getUi()->cancelCenterlineAction;
cancel_action->disconnect();
context_menu_ ->removeAction( cancel_action );
context_menu_->removeAction( separator_id_ );
page_view->removeFigureView( centerline_view_ );
page_view->cancelOperation();
}
CenterlineModifyInput::CenterlineModifyInput( Centerline* centerline,
CenterlineView* centerline_view )
: centerline_( centerline ), centerline_view_( centerline_view ),
xml_rep_( 0 )
{}
/*
* Tries to set the mouse cursor to a reasonable shape based on what
* is highlighted. For centerlines, they can only move in one direction.
* If *this* view is no longer highlighted, turn off any special cursor
* shape imposed by this view.
*/
void CenterlineModifyInput::mousePrepress ( QMouseEvent* me,
const SelectedNames& selected )
{
if ( selected.empty() ) {
centerline_view_->unsetCursor();
return;
}
SelectedNames::const_iterator f;
// For each highlighted figure view...
for ( f = selected.begin(); f != selected.end(); ++f ) {
// If the highlighted figure view is *this* view...
if ( (*f).second[0] == centerline_view_->selectionName() ) {
// If the geometry of this view is highlighted...
if ( (*f).second.size() > 1 ) {
GLuint g = (*f).second[1]; // (*(*f).second->rbegin()).first;
if ( centerline_view_->isGeometry( g ) ) {
centerline_view_->setCursor( g );
// This may have been called as a second chance action which
// another FigureView has already rejected.
me->accept();
}
else {
centerline_view_->unsetCursor();
}
return; // Probably not the last word here
}
}
}
// If none of the highlighted figure views was this one, then
// reset the cursor.
centerline_view_->unsetCursor();
}
void CenterlineModifyInput::mousePress ( QMouseEvent* me,
const SelectedNames& selected )
{
// Let the Page handle these events
if ( me->button() != Qt::LeftButton || selected.empty() ) {
me->ignore();
return;
}
SelectedNames::const_iterator f;
for ( f = selected.begin(); f != selected.end(); ++f ) {
// If this view is selected, then accept this mouse press (me->accept
// is true by default)
if ( (*f).second[0] == centerline_view_->selectionName() ) {
if ( (*f).second.size() > 1 &&
centerline_view_->isGeometry( (*f).second[1] ) ) {
old_offset_ = centerline_->line()->offset();
last_pnt_ = centerline_view_->view()->unproject2D( me->pos() );
UnitsBasis::instance()->round( last_pnt_ );
start_pnt_ = last_pnt_;
// Search for other geometry's to align with.
selection_type_ = SelectionType( TRANSIENT, EDGE );
// I think this controls some state...
drag_handle_ = (*f).second[1]; // (*(*f).second->rbegin()).first;
return;
}
}
}
// If this view wasn't highlighted, then let also let the page handle it.
me->ignore();
}
void CenterlineModifyInput::mouseDrag ( QMouseEvent* me,
const SelectedNames& /*selected*/ )
{
if ( drag_handle_ == 0 ) return;
current_pnt_ = centerline_view_->view()->unproject2D( me->pos() );
UnitsBasis::instance()->round( current_pnt_ );
centerline_->line()->setPosition( current_pnt_ );
last_pnt_ = current_pnt_;
centerline_view_->parent()->figureModified();
}
bool CenterlineModifyInput::mouseRelease ( QMouseEvent* /*me*/,
const SelectedNames& selected )
{
MoveLinesCommand* command = 0;
if ( centerline_->line()->offset() != old_offset_ ) {
command = new MoveLinesCommand( "move centerline",
centerline_view_->model() );
command->add( centerline_->line(), old_offset_ );
}
// See if we picked up a coincident constraint.
Line* reference = 0;
SelectedNames::const_iterator f;
for ( f = selected.begin(); f != selected.end(); ++f ) {
FigureView* fv =
dynamic_cast< FigureView* >( centerline_view_->parent()->
figureSelectionNames()[ (*f).second[0] ].get() );
if ( fv == centerline_view_ ) continue;
std::vector<GLuint>::const_iterator g;
for ( g = (*f).second.begin(); g != (*f).second.end(); ++g ) {
Line* line = dynamic_cast< Line* >( fv->geometry( *g ) );
if ( line != 0 ) {
if ( ( centerline_->line()->isVertical() && line->isVertical() ) ||
( centerline_->line()->isHorizontal() && line->isHorizontal() ) )
reference = line;
}
}
}
if ( reference != 0 && !reference->dependsOn( centerline_->line() ) ) {
xml_rep_ = new QDomDocument;
QDomElement reconstraints = xml_rep_->createElement( lC::STR::RECONSTRAINTS );
xml_rep_->appendChild( reconstraints );
QDomElement old_constraints = xml_rep_->createElement( lC::STR::OLD_CONSTRAINTS );
reconstraints.appendChild( old_constraints );
QDomElement new_constraints = xml_rep_->createElement( lC::STR::NEW_CONSTRAINTS );
reconstraints.appendChild( new_constraints );
QDomElement old_xml = xml_rep_->createElement( lC::STR::CONSTRAINED_LINE );
old_xml.setAttribute( lC::STR::URL,
centerline_->line()->dbURL().toString() );
centerline_->line()->constraint()->write( old_xml );
old_constraints.appendChild( old_xml );
// If from_reference's modifiedConstraint signal is emitted,
// then the old XML representation of its constraint is appended
// to this reconstrain command (done in the SLOT).
// Actually, I don't think this can happen here...
ConstrainedLine* from_reference =
dynamic_cast<ConstrainedLine*>( centerline_->line()->reference() );
if ( from_reference != 0 ) {
from_ref_xml_ = xml_rep_->createElement( lC::STR::CONSTRAINED_LINE );
from_ref_xml_.setAttribute( lC::STR::URL,
from_reference->dbURL().toString() );
from_reference->constraint()->write( from_ref_xml_ );
connect( from_reference, SIGNAL( modifiedConstraint() ),
SLOT( cascadeConstraints() ) );
}
centerline_->line()->setConstraint( new Coincident( reference ) );
if ( from_reference != 0 )
disconnect( from_reference, SIGNAL( modifiedConstraint() ),
this, SLOT( cascadeConstraints() ) );
QDomElement new_xml = xml_rep_->createElement( lC::STR::CONSTRAINED_LINE );
new_xml.setAttribute( lC::STR::URL, centerline_->line()->dbURL().toString() );
centerline_->line()->constraint()->write( new_xml );
new_constraints.appendChild( new_xml );
}
if ( xml_rep_ != 0 ) {
if ( command == 0 )
command = new MoveLinesCommand( "move centerline",
centerline_view_->model() );
command->add( xml_rep_ );
xml_rep_ = 0;
}
if ( command != 0 )
CommandHistory::instance().addCommand( command );
selection_type_ = SelectionType( TRANSIENT, FIGURE );
drag_handle_ = 0;
// Continue in this mode until unselected
return false;
}
void CenterlineModifyInput::mouseDoubleClick ( QMouseEvent* )
{
centerline_view_->editInformation();
}
void CenterlineModifyInput::setCenterline ( Centerline* centerline )
{
centerline_ = centerline;
}
CenterlineInfoDialog* CenterlineView::centerline_info_dialog_;
CenterlineView::CenterlineView ( Centerline* centerline,
PageView* parent )
: FigureView( parent ), centerline_( centerline ), dimension_view_( 0 ),
create_input_( centerline, this ), modify_input_( centerline, this )
{
init();
}
CenterlineView::CenterlineView ( const QDomElement& xml_rep,
PageView* parent )
: FigureView( parent ), centerline_( 0 ), dimension_view_( 0 ),
create_input_( 0, this ), modify_input_( 0, this )
{
DBURL db_url( xml_rep.attribute( lC::STR::CENTERLINE ) );
centerline_ = dynamic_cast< Centerline* >( model()->lookup( db_url ) );
QDomNode n = xml_rep.firstChild();
while ( !n.isNull() ) {
QDomElement e = n.toElement();
if ( !e.isNull() ) {
if ( e.tagName() == lC::STR::DIMENSION_VIEW ) {
dimension_view_ = new DimensionView( e, view()->genSelectionName(),
this );
dimensionview_objects_.insert( dimension_view_->selectionName(),
std::shared_ptr<DimensionView>(dimension_view_) );
connect( dimension_view_->fromReference(), SIGNAL( modifiedPosition() ),
SLOT( dmvRefModified() ));
connect( dimension_view_->fromReference(), SIGNAL( destroyedGeometry() ),
SLOT( destroyedDmVRef() ) );
connect( dimension_view_->toReference(), SIGNAL( modifiedPosition() ),
SLOT( dmvRefModified() ));
connect( dimension_view_->toReference(), SIGNAL( destroyedGeometry() ),
SLOT( destroyedDmVRef() ) );
}
}
n = n.nextSibling();
}
modify_input_.setCenterline( centerline_ );
init();
modifiedPosition();
}
CenterlineView::CenterlineView ( const QString& name, const QDomElement& xml_rep,
Page* page, PageView* parent )
: FigureView( parent ), centerline_( 0 ), dimension_view_( 0 ),
create_input_( 0, this ), modify_input_( 0, this )
{
QDomDocument doc = xml_rep.ownerDocument();
QDomNodeList centerline_list = doc.elementsByTagName( lC::STR::CENTERLINE );
// Well, failure is not really an option...but it could happen if
// somebody put a partial XML document into the clipboard...
// In general, the failure modes of lignumCAD need substantially more
// consideration......
if ( centerline_list.count() > 0 )
centerline_ = new Centerline( page->newID(), name,
centerline_list.item(0).toElement(), page );
modify_input_.setCenterline( centerline_ );
init();
modifiedPosition();
}
void CenterlineView::init ( void )
{
setObjectName( centerline_->name() + lC::STR::VIEW_EXT );
// Create unique GL selection names for each of the components
// of the centerline view (i.e., the line itself, and two handles).
line_.setSelectionName( view()->genSelectionName() );
handle0_.setSelectionName( view()->genSelectionName() );
handle1_.setSelectionName( view()->genSelectionName() );
// Normally, set the selected cursor shape here, but it really depends
// on the orientation of the centerline.
// Allow for reverse lookup of GL selection name to object
centerline_objects_.insert( line_.selectionName(), line_ );
centerline_objects_.insert( handle0_.selectionName(), handle0_ );
centerline_objects_.insert( handle1_.selectionName(), handle1_ );
ListViewItem* previous_item = parent()->previousItem( parent()->listViewItem(),
centerline_->id() );
list_view_item_ = new ListViewItem( parent()->listViewItem(), previous_item );
list_view_item_->setData( lC::formatName( centerline_->name() )
+ QString( " <%1>" ).arg( centerline_->id() ),
lC::NAME );
list_view_item_->setData( trC( lC::STR::CENTERLINE ), lC::TYPE );
list_view_item_->setData( trC( lC::STR::UNDEFINED ), lC::DETAIL );
//TODO
//list_view_item_->setOpen( true );
//list_view_item_->setRenameEnabled( lC::NAME, true );
line_list_view_ = new ListViewItem( list_view_item_, 0 );
line_list_view_->setData( lC::formatName( centerline_->name() ), lC::NAME );
line_list_view_->setData( trC( lC::STR::CONSTRAINED_LINE ), lC::TYPE );
line_list_view_->setData( trC( lC::STR::CONSTRAINT_UNDEFINED ), lC::DETAIL );
//TODO
//line_list_view_->setOpen( true );
//line_list_view_->listView()->ensureItemVisible( line_list_view_ );
connect( centerline_->line(), SIGNAL( modifiedConstraint() ),
SLOT( modifiedConstraint() ) );
connect( centerline_->line(), SIGNAL( modifiedPosition() ),
SLOT( modifiedPosition() ) );
//TODO
//connect( list_view_item_, SIGNAL( nameChanged( const QString& ) ),
// SLOT( listNameChanged( const QString& ) ) );
connect( centerline_->line(), SIGNAL( nameChanged( const QString& ) ),
SLOT( updateName( const QString& ) ) );
if ( centerline_info_dialog_ == 0 )
centerline_info_dialog_ = new CenterlineInfoDialog( parent()->lCMW() );
}
CenterlineView::~CenterlineView ( void )
{
if ( dimension_view_ ) {
disconnect( dimension_view_->fromReference(), SIGNAL( modifiedPosition() ),
this, SLOT( dmvRefModified() ) );
disconnect( dimension_view_->fromReference(), SIGNAL( destroyedGeometry() ),
this, SLOT( destroyedDmVRef() ) );
disconnect( dimension_view_->toReference(), SIGNAL( modifiedPosition() ),
this, SLOT( dmvRefModified() ) );
disconnect( dimension_view_->toReference(), SIGNAL( destroyedGeometry() ),
this, SLOT( destroyedDmVRef() ) );
delete dimension_view_;
}
if ( centerline_ ) {
disconnect( centerline_->line(), SIGNAL( modifiedConstraint() ),
this, SLOT( modifiedConstraint() ) );
disconnect( centerline_->line(), SIGNAL( modifiedPosition() ),
this, SLOT( modifiedPosition() ) );
centerline_->parent()->removeFigure( centerline_ );
}
delete list_view_item_;
}
/*
* Decide whether the centerline or the dimension is being
* manipulated and return the responsible controller
*/
InputObject* CenterlineView::modifyInput ( void )
{
if ( isActivated() )
return &modify_input_;
QHashIterator< int,std::shared_ptr<DimensionView> > idmv( dimensionview_objects_ );
while ( idmv.hasNext()) {
if ( idmv.next().value()->isActivated() )
return dimension_view_->modifyInput();
}
return 0;
}
CreateObject* CenterlineView::memento ( void )
{
return new CenterlineViewCreate( this );
}
/*
* Update the dimension view to have the given properties.
*/
void CenterlineView::setDimensionView ( const QDomElement& xml_rep )
{
if ( dimension_view_ != 0 ) {
disconnect( dimension_view_->fromReference(), SIGNAL( modifiedPosition() ),
this, SLOT( dmvRefModified() ) );
disconnect( dimension_view_->fromReference(), SIGNAL( destroyedGeometry() ),
this, SLOT( destroyedDmVRef() ) );
disconnect( dimension_view_->toReference(), SIGNAL( modifiedPosition() ),
this, SLOT( dmvRefModified() ) );
disconnect( dimension_view_->toReference(), SIGNAL( destroyedGeometry() ),
this, SLOT( destroyedDmVRef() ) );
dimensionview_objects_.remove( dimension_view_->selectionName() );
delete dimension_view_;
}
dimension_view_ = new DimensionView( xml_rep, view()->genSelectionName(),
this );
dimensionview_objects_.insert( dimension_view_->selectionName(),
std::shared_ptr<DimensionView>(dimension_view_) );
connect( dimension_view_->fromReference(), SIGNAL( modifiedPosition() ),
SLOT( dmvRefModified() ));
connect( dimension_view_->fromReference(), SIGNAL( destroyedGeometry() ),
SLOT( destroyedDmVRef() ) );
connect( dimension_view_->toReference(), SIGNAL( modifiedPosition() ),
SLOT( dmvRefModified() ));
connect( dimension_view_->toReference(), SIGNAL( destroyedGeometry() ),
SLOT( destroyedDmVRef() ) );
}
// Recompute any layout due to changes in the view.
void CenterlineView::viewAttributeChanged ( void )
{
updateDimensionViews();
}
// Change the name of the centerline.
void CenterlineView::setName ( const QString& name )
{
DBURL old_db_url = centerline_->dbURL();
centerline_->setName( name );
CommandHistory::instance().
addCommand( new RenameCommand( "rename centerline",
model(), old_db_url, centerline_->dbURL() ));
}
// Check a list view rename for uniqueness.
void CenterlineView::listNameChanged ( const QString& name )
{
int ret = parent()->uniqueFigureName( this, name, centerline_->type() );
switch ( ret ) {
case lC::OK:
setName( name );
break;
case lC::Redo:
//TODO
//list_view_item_->startRename( lC::NAME );
case lC::Rejected:
updateName( centerline_->name() ); // Repaint list item with old name.
}
}
void CenterlineView::draw ( void ) const
{
if ( !centerline_->isValid() ) return;
QColor color = view()->annotationColor();
if ( isHighlighted() || isActivated() ||
line_.isHighlighted() || line_.isActivated() )
color = color.light();
view()->qglColor( color );
FaceData face_data( view()->annotationFont(), 0, color.rgb() );
OGLFT::BBox clbb = view()->font(face_data)->measure( centerline_symbol_ );
// Determine where the ends are. The centerline is drawn
// across the entire window with a gap for the CL symbol.
Point ll_corner = view()->llCorner();
Point ur_corner = view()->urCorner();
Point end[4];
if ( centerline_->line()->isHorizontal() ) {
end[0] = Point( ll_corner[X], centerline_->line()->o()[Y] );
end[1] = Point( ll_corner[X] +
( clbb.x_max_ - clbb.x_min_ ) - clbb.advance_.dx_/2.,
centerline_->line()->o()[Y] );
end[2] = Point( ll_corner[X] +
2 * (clbb.x_max_ - clbb.x_min_) + clbb.advance_.dx_/2.,
centerline_->line()->o()[Y] );
end[3] = Point( ur_corner[X], centerline_->line()->o()[Y] );
}
else {
end[0] = Point( centerline_->line()->o()[X], ur_corner[Y] );
end[1] = Point( centerline_->line()->o()[X],
ur_corner[Y] -
(clbb.y_max_ - clbb.y_min_) + clbb.y_max_/2.);
end[2] = Point( centerline_->line()->o()[X],
ur_corner[Y] -
2 * (clbb.y_max_ - clbb.y_min_) - clbb.y_max_/2. );
end[3] = Point( centerline_->line()->o()[X], ll_corner[Y] );
}
if ( !centerline_->line()->isAdjustable() &&
( isHighlighted() || isActivated() ) ) {
Segment edge_segment = centerline_->closestVertices( centerline_->line() );
Segment reference_segment = centerline_->line()->reference()->
parent()->closestVertices( centerline_->line()->reference() );
Alignment::draw( view(), edge_segment, reference_segment );
}
// Draw the centerline itself
glEnable( GL_LINE_STIPPLE );
glLineStipple( 1, 0x18ff );
gl2psEnable( GL2PS_LINE_STIPPLE );
gl2psLineStipple( GL2PS_LINE_STIPPLE_DASHDOT );
glBegin( GL_LINES );
glVertex2dv( end[0] );
glVertex2dv( end[1] );
glVertex2dv( end[2] );
glVertex2dv( end[3] );
glEnd();
glDisable( GL_LINE_STIPPLE );
gl2psDisable( GL2PS_LINE_STIPPLE );
// Draw the CL symbol. Two notes: 1) we defined the glyph
// ourselves and expect certain attributes of the bounding box. 2)
// The single character OGLFT draw routine doesn't save the
// current modelview matrix.
glPushMatrix();
if ( centerline_->line()->isHorizontal() )
view()->font(face_data)->draw( end[0][X] + (clbb.x_max_ - clbb.x_min_),