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designbookview.cpp
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designbookview.cpp
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/*
* designbookview.cpp
*
* DesignBookView class: the primary user interface.
* 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 <qapplication.h>
#include <qmainwindow.h>
#include <qaction.h>
#include <QMenu>
#include <qlineedit.h>
#include <qfiledialog.h>
#include <qmessagebox.h>
#include <qspinbox.h>
#include <qlineedit.h>
#include <qtextedit.h>
#include <qlabel.h>
#include <qradiobutton.h>
#include <qpushbutton.h>
#include <qbuttongroup.h>
#include <qstatusbar.h>
#include <qimage.h>
#include <qsettings.h>
#include <qregexp.h>
#include <qdom.h>
#include <qpainter.h>
#include <qpicture.h>
#include <qslider.h>
#include <qlayout.h>
#include <QDesktopWidget>
#include <QPrintDialog>
#include "configuration.h"
#include "openglview.h"
#include "openglexample.h"
#include "openglprinter.h"
#include "tabbarcontext.h"
#include "lignumcadmainwindow.h"
#include "pagefactory.h"
#include "pageview.h"
#include "model.h"
#include "lcfilechooser.h"
#include "lcfontchooser.h"
#include "lccolorchooser.h"
#include "lcdefaultfilechooser.h"
#include "lcdefaultlengthspinbox.h"
#include "lcdefaultratiospinbox.h"
#include "lcdefaultcombobox.h"
#include "listviewitem.h"
#include "command.h"
#include "printer.h"
#include "units.h"
#include "businessinfo.h"
#include "usersettings.h"
#include "designbookview.h"
#include "lcdebug.h"
//#define LAYOUT_COMPREHENSION
PreferencesDialog* DesignBookView::preferences_dialog_ = 0;
OpenGLExample* DesignBookView::preferences_example_ = 0;
Printer* DesignBookView::printer_ = 0;
OpenGLPrinter* DesignBookView::opengl_printer_ = 0;
// The parent design book view connects the create action to this slot.
void CreatePage::createPage ( void )
{
DesignBookView* view = dynamic_cast<DesignBookView*>( parent() );
PageView* page_view = PageFactory::instance()->create( id_, view );
if ( !page_view->configure() ) {
view->deletePage( page_view );
return;
}
view->modelChanged( true );
CommandHistory::instance().
addCommand( new CreateCommand( QString( "create %1").arg( page_view->type() ),
page_view->memento() ) );
view->showPageView( page_view );
}
// Should this class be a singleton? Are we ever going to have a
// MDI version of lignumCAD?
DesignBookView::DesignBookView ( lignumCADMainWindow* lCMW )
: QWidget( lCMW ), lCMW_( lCMW ), gui_visible_( false ),
model_( 0 ), printing_( false ), currentPageView(0)
{
setObjectName("designbookview");
init();
// Can't really display the OpenGL and Tabbar views until there is
// something to display. (In particular, unless QTabbar has some
// child Tabs, it won't have a height!). So, make the user do
// something first.
Model* model = new Model ( tr( "unnamed" ), QString::null );
uint initial_page_id;
if ( ! newModelWizard( model, initial_page_id ) ) {
delete model;
return;
}
model_ = model;
PageView* page_view = PageFactory::instance()->create( initial_page_id, this);
// I don't know. For my sanity's sake, creating the initial page is
// not sufficient to flag the model as modified. However, the page configure
// method may consider differently.
model_->setChanged( false );
// Give the user a chance to configure the page and possibly decide against
// creating it after all.
if ( !page_view->configure() ) {
deletePage( page_view );
showView();
return;
}
CommandHistory::instance().
addCommand( new CreateCommand( QString( "create %1" ).arg( page_view->type() ),
page_view->memento() ) );
page_tabbar_->setCurrentIndex(page_view->tabIdx() );
page_tabbar_->update();
page_view->show();
opengl_view_->setPageView( page_view );
showView();
}
DesignBookView::DesignBookView ( lignumCADMainWindow* lCMW, const QString file_name )
: QWidget( lCMW ), lCMW_( lCMW ), gui_visible_( false ),
model_( 0 ), printing_( false ), currentPageView(0)
{
setObjectName( "designbookview" );
init();
if ( !read( file_name ) ) return;
if ( model_ == 0 ) return;
showView();
}
DesignBookView::~DesignBookView ()
{
page_views_.clear(); // Must be empty before destroying model
if ( model_ != 0 ) delete model_;
delete opengl_view_;
}
// Handle the common activities of constructing a Design Book.
void DesignBookView::init ( void )
{
app_palette_ = qApp->desktop()->palette();
// Recover the user's default settings.
QSettings settings;
bool ok;
Ui::lignumCADMainWindow* lCMW_Ui = lCMW_->getUi();
//TODO check if value exist, otherwise write
QString business_name =
settings.value( lC::Setting::Business::NAME ).toString();
if ( ok )
BusinessInfo::instance().setName( business_name );
QString business_location =
settings.value( lC::Setting::Business::LOCATION ).toString();
if ( ok )
BusinessInfo::instance().setLocation( business_location );
QString business_logo =
settings.value( lC::Setting::Business::LOGO ).toString();
if ( ok )
BusinessInfo::instance().setLogo( business_logo );
QString length_unit =
settings.value ( lC::Setting::LENGTH_UNIT, ',').toString();
if ( ok )
UnitsBasis::instance()->setLengthUnit( length_unit );
QString scheme =
settings.value ( lC::Setting::ColorScheme::BASE ).toString();
if ( !scheme.isEmpty() )
OpenGLGlobals::instance()->setDefaultScheme( scheme );
bool custom =
settings.value( lC::Setting::ColorScheme::CUSTOM, false ).toBool();
if ( ok ) {
if ( !custom ) {
OpenGLGlobals::instance()->setPredefinedScheme( true );
OpenGLGlobals::instance()->setScheme( OpenGLGlobals::instance()->at() );
}
else {
OpenGLGlobals::instance()->setPredefinedScheme( false );
QString color_name;
color_name = settings.
value( lC::Setting::ColorScheme::GEOMETRY ).toString();
if ( ok ) {
QColor color( color_name );
OpenGLGlobals::instance()->setGeometryColor( color );
}
color_name = settings.
value( lC::Setting::ColorScheme::ANNOTATION ).toString();
if ( ok ) {
QColor color( color_name );
OpenGLGlobals::instance()->setAnnotationColor( color );
}
color_name = settings.
value( lC::Setting::ColorScheme::GRID ).toString();
if ( ok ) {
QColor color( color_name );
OpenGLGlobals::instance()->setGridColor( color );
}
color_name = settings.
value( lC::Setting::ColorScheme::CONSTRAINT_PRIMARY ).toString();
if ( ok ) {
QColor color( color_name );
OpenGLGlobals::instance()->setConstraintPrimaryColor( color );
}
color_name = settings.
value(lC::Setting::ColorScheme::CONSTRAINT_SECONDARY ).toString();
if ( ok ) {
QColor color( color_name );
OpenGLGlobals::instance()->setConstraintSecondaryColor( color );
}
QString style = settings.
value( lC::Setting::ColorScheme::BACKGROUND_STYLE ).toString();
if ( ok )
OpenGLGlobals::instance()->
setBackgroundStyle( lC::Background::backgroundStyle( style ) );
color_name = settings.
value( lC::Setting::ColorScheme::BACKGROUND ).toString();
if ( ok ) {
QColor color( color_name );
OpenGLGlobals::instance()->setBackgroundColor( color );
}
color_name = settings.
value( lC::Setting::ColorScheme::GRADIENT ).toString();
if ( ok ) {
QColor color( color_name );
OpenGLGlobals::instance()->setGradientColor( color );
}
QString pattern_file = settings.
value( lC::Setting::ColorScheme::PATTERN_FILE ).toString();
if ( ok )
OpenGLGlobals::instance()->setPatternFile( pattern_file );
}
}
QString dimension_font =
settings.value( lC::Setting::Dimension::FONT ).toString();
if ( !dimension_font.isEmpty() )
OpenGLGlobals::instance()->setDimensionFont( dimension_font );
double arrow_head_length =
settings.value( lC::Setting::Dimension::ARROW_HEAD_LENGTH, 0 ).toDouble();
if ( ok )
OpenGLGlobals::instance()->setArrowHeadLength( arrow_head_length );
int arrow_head_width_ratio =
settings.value( lC::Setting::Dimension::ARROW_HEAD_WIDTH_RATIO, 0 ).toInt();
if ( ok )
OpenGLGlobals::instance()->
setArrowHeadWidthRatio( Ratio( arrow_head_width_ratio ) );
QString arrow_head_style =
settings.value( lC::Setting::Dimension::ARROW_HEAD_STYLE ).toString();
if ( ok )
OpenGLGlobals::instance()->
setArrowHeadStyle( lC::arrowHeadStyle( arrow_head_style ) );
double clearance =
settings.value( lC::Setting::Dimension::CLEARANCE, 0 ).toDouble();
if ( ok )
OpenGLGlobals::instance()->setClearance( clearance );
double line_thickness =
settings.value ( lC::Setting::Dimension::LINE_THICKNESS, 0 ).toDouble();
if ( ok )
OpenGLGlobals::instance()->setLineThickness( line_thickness );
double extension_line_offset =
settings.value ( lC::Setting::Dimension::EXTENSION_LINE_OFFSET, 0).toDouble();
if ( ok )
OpenGLGlobals::instance()->setExtensionLineOffset( extension_line_offset );
QString annotation_font =
settings.value ( lC::Setting::Annotation::FONT ).toString();
if ( !annotation_font.isEmpty() )
OpenGLGlobals::instance()->setAnnotationFont( annotation_font );
double handle_size =
settings.value ( lC::Setting::Handle::SIZE, 0 ).toDouble();
if ( ok )
OpenGLGlobals::instance()->setHandleSize( handle_size );
new_model_wizard_ = new NewModelWizard( lCMW_ );
page_info_dialog_ = new PageInfoDialog( lCMW_ );
opengl_view_ = new OpenGLView( this, "openGLView", lCMW_, 0 );
opengl_view_->setFocus();
page_tabbar_ = new TabBarContext( this, "pageTabBarContext" );
page_tabbar_->setShape( QTabBar::RoundedSouth );
//#ifndef LAYOUT_COMPREHENSION
// // Without at least one tab, QTabBar starts with an initial height
// // of 0, from which the layout never seems to recover. It's probably
// // something wrong with the specification of QGLWidget's resizing
// // preferences. Look at this later. For now...
// page_tabbar_->setMinimumHeight( 32 );
// page_tabbar_->addTab( new QTab( "###dummy###" ) );
//#endif
// Add the available pages to the Insert menu and the Tab Bar context
// menu.
QVector<uint> page_ids = PageFactory::instance()->pageIDs();
QVector<uint>::const_iterator id = page_ids.begin();
// This loop assumes that the page creation menu items are the first
// items inserted into both the menu bar Insert menu and the tab bar
// context popup menu. (QAction really needs some more identifying
// information.)
for ( int index = 0; id != page_ids.end(); ++id, ++index ) {
QAction* insertAction = PageFactory::instance()->action( *id, lCMW_ );
page_tabbar_->contextMenu()->addAction(insertAction);
lCMW_Ui->insertMenu->addAction ( insertAction );
lCMW_Ui->insertToolbar->addAction ( insertAction );
connect( insertAction, SIGNAL( activated() ),
new CreatePage( this, *id ), SLOT( createPage() ) );
insertAction->setEnabled( false );
}
page_tabbar_->contextMenu()->addSeparator();
page_tabbar_->contextMenu()->addAction( lCMW_Ui->renamePageAction );
page_tabbar_->contextMenu()->addAction( lCMW_Ui->deletePageAction );
connect( opengl_view_, SIGNAL( scale( const Ratio& ) ),
lCMW_, SLOT( scaleChanged( const Ratio& ) ) );
connect( page_tabbar_, SIGNAL( selected( int ) ), SLOT( pageChanged( int ) ) );
connect( lCMW_Ui->editPreferencesAction, SIGNAL( activated() ),
SLOT( editPreferences() ) );
connect( lCMW_Ui->renamePageAction, SIGNAL( activated() ), SLOT( renamePage() ) );
connect( lCMW_Ui->deletePageAction, SIGNAL( activated() ), SLOT( deletePage() ) );
connect( this, SIGNAL( setCaption( const QString& ) ),
lCMW_, SLOT( setCaption( const QString& ) ) );
connect( this, SIGNAL( pageChanged( const QString& ) ),
lCMW_, SLOT( pageChanged( const QString& ) ) );
// Disable the actions we can't take.
lCMW_Ui->fileSaveAction->setEnabled( false );
lCMW_Ui->fileSaveAsAction->setEnabled( false );
lCMW_Ui->filePrintAction->setEnabled( false );
lCMW_Ui->exportPageAction->setEnabled( false );
lCMW_Ui->modelInfoAction->setEnabled( false );
lCMW_Ui->editUndoAction->setEnabled( false );
lCMW_Ui->editRedoAction->setEnabled( false );
lCMW_Ui->editCutAction->setEnabled( false );
lCMW_Ui->editCopyAction->setEnabled( false );
lCMW_Ui->editPasteAction->setEnabled( false );
lCMW_Ui->editFindAction->setEnabled( false );
if ( preferences_dialog_ == 0 )
preferences_dialog_ = new PreferencesDialog( lCMW_ );
if ( printer_ == 0 )
printer_ = new Printer;
// note: need a real printer class...
if ( opengl_printer_ == 0 )
opengl_printer_ = new OpenGLPrinter( this, "openGLPrinter", opengl_view_ );
//TODO figure out what to get from lCMW_
model_list_item_ = lCMW_->modelHierarchyList();
connect( &CommandHistory::instance(), SIGNAL( undoRedoChanged(bool, bool ) ),
SLOT( updateUndoRedo(bool, bool) ) );
model_info_dialog_ = new ModelInfoDialog( static_cast<QWidget*>(lCMW_) );
}
/*
* The name (of the model)
*/
QString DesignBookView::name ( void ) const
{
return model_->name();
}
// The database ID (of the model).
DBURL DesignBookView::dbURL ( void ) const
{
return model_->dbURL();
}
PageView* DesignBookView::getCurrentPageView() const
{
return page_views_.value(currentPageView).get();
}
int DesignBookView::getCurrentPageViewIdx() const
{
return currentPageView;
}
// Show the design book GUI.
void DesignBookView::showView ( void )
{
// Enable the actions we can now take.
lCMW_->getUi()->fileSaveAction->setEnabled( model_->changed() );
lCMW_->getUi()->fileSaveAsAction->setEnabled( true );
lCMW_->getUi()->filePrintAction->setEnabled( true );
lCMW_->getUi()->exportPageAction->setEnabled( true );
lCMW_->getUi()->modelInfoAction->setEnabled( true );
lCMW_->getUi()->editFindAction->setEnabled( true );
QVector<uint> page_ids = PageFactory::instance()->pageIDs();
QVector<uint>::const_iterator id = page_ids.begin();
for ( int index = 0; id != page_ids.end(); ++id, ++index ) {
QAction* insertAction = PageFactory::instance()->action( *id, lCMW_ );
insertAction->setEnabled( true );
}
emit setCaption( tr( "lignumCAD: %1-%2.%3%4" ).
arg( lC::formatName( model_->name() ) ).
arg( model_->version() ).
arg( model_->revision() ).
arg( model_->changed() ? tr( "*", "model changed flag" ) : QString::null ) );
if ( not gui_visible_ ) {
old_central_widget_ = lCMW_->centralWidget();
old_central_widget_->hide();
lCMW_->setCentralWidget( this );
show();
gui_visible_ = true;
//#ifndef LAYOUT_COMPREHENSION
// if ( page_tabbar_->count() > 0 ) {
// QTab* tab0 = page_tabbar_->tabAt( new QPoint() );
// if ( tab0 != 0 && tab0->text() == "###dummy###" )
// page_tabbar_->removeTab( tab0 );
// }
//#endif
}
//TODO figure if we got this right, is source of model_list_item_ correct ?
model_list_item_->setData( lC::STR::NAME_ID.
arg( lC::formatName( model_->name() ) ).
arg( model_->id() ),
lC::NAME );
model_list_item_->setData ( trC( lC::STR::MODEL ), lC::TYPE );
//TODO figure out how to implement these
//model_list_item_->setOpen( true );
// model_list_item_->setEditable ( lC::NAME, true );
connect( model_, SIGNAL( nameChanged( const QString& ) ),
SLOT( updateName( const QString& ) ) );
// TODO see this for a solution
// connect( model_list_item_, SIGNAL( nameChanged( const QString& ) ),
// this, SLOT( setName( const QString& ) ) );
}
// Hide the design book GUI.
void DesignBookView::hideView ( void )
{
// vbox_layout_->hide();
lCMW_->setCentralWidget( old_central_widget_ );
old_central_widget_->show();
gui_visible_ = false;
}
// If the program is about to Exit, make sure the user has saved
// the current model.
bool DesignBookView::aboutToExit ( void )
{
if ( this->model_ ) {
if ( model_->changed() ) {
QMessageBox mb( trC( lC::STR::LIGNUMCAD ),
tr( "The current model has been modified.\n"
"Do you really want to exit lignumCAD?" ),
QMessageBox::Information,
QMessageBox::Yes | QMessageBox::Default,
QMessageBox::No,
QMessageBox::Cancel, lCMW() );
mb.setButtonText( QMessageBox::Yes, tr( "Discard changes" ) );
mb.setButtonText( QMessageBox::No, tr( "Save it first" ) );
mb.setButtonText( QMessageBox::Cancel, tr( "Cancel exit" ) );
switch ( mb.exec() ) {
case QMessageBox::Yes:
// clear();
break;
case QMessageBox::No:
if ( !save() ) return false;
break;
case QMessageBox::Cancel:
return false;
}
}
// Release the memory allocated by lignumCAD. Mostly for debugging
// dynamic memory allocations.
clear();
}
return true;
}
// There can only be one page of each type with the same name.
// Check to make sure this name is unique for the type of page.
bool DesignBookView::uniquePageName ( const QString name ) const
{
QListIterator<std::shared_ptr <PageView> > pv( page_views_ );
while ( pv.hasNext() ) {
PageView* tempPv = pv.next().get();
if ( tempPv == getCurrentPageView() )
continue;
else if ( lC::formatName( tempPv->name() ) == name &&
tempPv->type() == getCurrentPageView()->type() )
return false;
}
return true;
}
// There can only be one page of each type with the same name.
// Check to make sure this name is unique for the type of page.
// This version does the complaining.
lC::RenameStatus DesignBookView::uniquePageName ( const PageView* page_view,
const QString& name,
const QString& type )
const
{
QListIterator< std::shared_ptr <PageView> > pv( page_views_ );
while ( pv.hasNext() ) {
PageView* tempPv = pv.next().get();
// Skip one's self.
if ( tempPv == page_view ) continue;
if ( lC::formatName( tempPv->name() ) == name &&
tempPv->type() == type ) {
QMessageBox mb( trC( lC::STR::LIGNUMCAD ),
tr( "The name \"%1\" for a page of type %2 already exists." ).
arg( name ).arg( trC( type ) ),
QMessageBox::Warning,
QMessageBox::Yes | QMessageBox::Default,
QMessageBox::Cancel,
QMessageBox::NoButton );
mb.setButtonText( QMessageBox::Yes, tr( "Enter another name" ) );
mb.setButtonText( QMessageBox::Cancel, tr( "Cancel page edit" ) );
switch ( mb.exec() ) {
case QMessageBox::Yes:
return lC::Redo;
case QMessageBox::Cancel:
return lC::Rejected;
}
break;
}
}
return lC::OK;
}
// Add the given page to the Design Book. Note: after a lot of
// travail, this function does NOT show() the Page. The PageViews are
// a virtual hierarchy, but this function is invoked by the PageView
// constructor itself. Therefore, the subclass (i.e., the real
// object) is not finished being constructed when this is
// called. Thus, the virtual PageView::show() method is not callable
// until the subclass is completely constructed. So, DesignBookView
// show()s the page after it is completely constructed.
void DesignBookView::addPageView ( PageView* page_view )
{
//#ifndef LAYOUT_COMPREHENSION
// if ( page_tabbar_->count() > 0 ) {
// QTab* tab0 = page_tabbar_->tabAt( QPoint() );
// if ( tab0 != 0 && tab0->text() == "###dummy###" ) {
// page_tabbar_->removeTab( tab0 );
// }
// }
//#endif
// This now needs to be a little bit more careful when adding a page
// view. The order of page ids needs to be maintained.
int p = 0;
for ( ; p < page_views_.count(); ++p ) {
if ( page_views_.at( p )->id() > page_view->id() ) break;
}
page_views_.insert( p, std::shared_ptr<PageView>(page_view) );
//TODO tab() is replaced by tabIdx
//page_tabs_.insert( page_view->tab(), std::make_shared<PageView>(page_view) );
//page_tabbar_->insertTab( page_view->tab(), p );
page_tabbar_->update();
connect( page_view, SIGNAL( cutCopyChanged(bool) ),
SLOT( updateCutCopy(bool) ) );
lCMW_->getUi()->editPasteAction->setEnabled( true );
#if 0
// Actually, let the caller decide if this is a meaningful
// change. Examples of adding a page which are not meaningful: an
// initial sketch page with no contents, loading the model from a
// file.
if ( !model_->changed() )
modelChanged( true );
#endif
}
// Give (fully-constructed) pages a chance to show themselves
void DesignBookView::showPageView ( PageView* page_view )
{
// The goal here is to insure consistency between the various
// GUI components and the internal state of this object. The issue
// is that QTabBar::addTab does not make the added tab the current
// tab. So, when a page is added, its tab may not be selected. However,
// the first tab that is added IS selected but QTabBar does not
// emit the pageChanged signal.
// So, if the given page view's tab is not currently selected, just
// make it current and the QTabBar will fire the pageChanged signal.
if ( page_tabbar_->currentIndex() != page_view->tabIdx() )
page_tabbar_->setCurrentIndex( page_view->tabIdx() );
else {
// Otherwise, we have to do this all ourselves
QListIterator< std::shared_ptr <PageView> > pv( page_views_ );
while(pv.hasNext()) {
if(pv.next().get() == page_view ) {
page_view->show();
opengl_view_->setPageView( page_view );
emit pageChanged( page_view->name() );
break;
}
}
}
}
// Remove a page from the Design Book. This merely unlinks the page.
// (Not currently used, apparently.)
void DesignBookView::removePageView ( PageView* page_view )
{
QMutableListIterator< std::shared_ptr <PageView> > pv( page_views_ );
while(pv.hasNext()) {
if(pv.next().get() == page_view ) {
pv.remove();
}
}
}
// Return the "last" PageView in the list. (Used to find it's ListView item.)
PageView* DesignBookView::lastPageView ( void )
{
return page_views_.last().get();
}
// Search for the place where this page view goes in the hierarchy list.
ListViewItem* DesignBookView::previousItem ( uint id ) const
{
ListViewItem* previous_item = 0;
//TODO not sure this is correct, start at 0 ?
int seekRow = 0;
//TODO conver
ListViewItem* item = static_cast <ListViewItem*> (model_list_item_->child( seekRow ));
QListIterator< std::shared_ptr <PageView> > p( page_views_ );
while ( p.hasNext() && item) {
if ( p.next().get()->id() > id ) break;
previous_item = item;
item = static_cast <ListViewItem*> (model_list_item_->child( seekRow ));
seekRow++;
}
return previous_item;
}
// If a view detects a change to the model, its reported here.
void DesignBookView::modelChanged ( bool status )
{
if ( status ) {
model_->setChanged( true );
emit setCaption( tr( "lignumCAD: %1-%2.%3%4" ).
arg( lC::formatName( model_->name() ) ).
arg( model_->version() ).
arg( model_->revision() ).
arg( tr( "*", "model changed flag" ) ) );
lCMW_->getUi()->fileSaveAction->setEnabled( true );
}
else {
model_->setChanged( false );
emit setCaption( tr( "lignumCAD: %1-%2.%3" ).
arg( lC::formatName( model_->name() ) ).
arg( model_->version() ).
arg( model_->revision() ) );
lCMW_->getUi()->fileSaveAction->setEnabled( false );
}
}
// (Destructively) erase the contents of the model.
void DesignBookView::clear ( void )
{
opengl_view_->setPageView( 0 );
for ( PageView* page_view = page_views_.first().get();
page_view != 0;
page_view = getCurrentPageView() ) {
page_tabbar_->removeTab( page_view->tabIdx() );
page_tabs_.remove( page_view->tabIdx() );
removePageView( page_view );
// i.e., remove the current page_view
// delete page_view;
}
if ( model_ != 0 )
delete model_;
model_ = 0;
}
// Undo the last command. This is here since the OpenGL view will
// generally have to be modified as a result of the undoing. For
// efficiency, we don't want to do updateGL more than we have to.
// So, make all the changes first and then redraw the screen.
// (If the redraw was at a lower level, then more routine changes
// could fire many redraws). Also saves a little code in the mementos.
void DesignBookView::undo ( void )
{
CommandHistory::instance().undo();
modelChanged( !CommandHistory::instance().canUndo() );
view()->updateGL();
}
// Just like undo, redo's will generally need to redraw the display.
// So, do the redraw all at once after everything is updated
// internally.
void DesignBookView::redo ( void )
{
CommandHistory::instance().redo();
modelChanged( !CommandHistory::instance().canUndo() );
view()->updateGL();
}
// Cut (delete). Delegate to the current page since it knows what's
// activated.
void DesignBookView::cut ( void )
{
if ( getCurrentPageView() != 0 ) {
getCurrentPageView()->cut();
view()->updateGL();
}
}
// Copy. Delegate to the current page since it knows what's activated.
void DesignBookView::copy ( void )
{
if ( getCurrentPageView() != 0 )
getCurrentPageView()->copy();
}
// Paste. (Well, this will require some care...)
void DesignBookView::paste ( void )
{
if ( getCurrentPageView() != 0 )
getCurrentPageView()->paste();
}
/*
* Let the user adjust the display attributes to taste.
*/
void DesignBookView::editPreferences ( void )
{
// Sets all the widgets in the dialog to the current state.
preferences_dialog_->update();
int ret = preferences_dialog_->exec();
if ( ret == QDialog::Rejected ) return;
// Save any changes the user made in the global settings box.
// What happens if you have more than one instance open?...
QSettings settings;
// Recover any changes made to the default business information
if ( preferences_dialog_->getUi()->businessNameLineEdit->isModified() ) {
QString name = preferences_dialog_->getUi()->businessNameLineEdit->text();
BusinessInfo::instance().setName( name );
if ( !name.isEmpty() )
settings.setValue( lC::Setting::Business::NAME, name );
else
settings.remove( lC::Setting::Business::NAME );
}
if ( preferences_dialog_->getUi()->businessLocationLineEdit->isModified() ) {
QString location = preferences_dialog_->getUi()->businessLocationLineEdit->text();
BusinessInfo::instance().setLocation( location );
if ( !location.isEmpty() )
settings.setValue( lC::Setting::Business::LOCATION, location );
else
settings.remove( lC::Setting::Business::LOCATION );
}
if ( preferences_dialog_->getUi()->logoFileChooser->edited() ) {
QString logo = preferences_dialog_->getUi()->logoFileChooser->fileName();
BusinessInfo::instance().setLogo( logo );
if ( !logo.isEmpty() )
settings.setValue( lC::Setting::Business::LOGO, logo );
else
settings.remove( lC::Setting::Business::LOGO );
}
// Recover any changes made to the default unit preference.
// (For now, this applies to everything. Eventaully, we might
// do this on a per model basis...)
bool unit_modified = false;
if ( preferences_dialog_->getUi()->unitsListBox->currentIndex().row() !=
UnitsBasis::instance()->at() ) {
UnitsBasis::instance()->
setLengthUnit( preferences_dialog_->getUi()->unitsListBox->currentItem()->text() );
unit_modified = true;
}
if ( preferences_dialog_->getUi()->fractionalRadioButton->isChecked() &&
UnitsBasis::instance()->format() != FRACTIONAL ) {
UnitsBasis::instance()->setFormat( FRACTIONAL );
unit_modified = true;
}
else if ( preferences_dialog_->getUi()->decimalRadioButton->isChecked() &&
UnitsBasis::instance()->format() != DECIMAL ) {
UnitsBasis::instance()->setFormat( DECIMAL );
unit_modified = true;
}
if ( preferences_dialog_->getUi()->precisionComboBox->value() !=
UnitsBasis::instance()->precision() ) {
UnitsBasis::instance()->setPrecision( preferences_dialog_->getUi()->precisionComboBox->
value() );
unit_modified = true;
}
if ( unit_modified ) {
QStringList length_unit;
length_unit << QString( "%1[%2]" ).arg( UnitsBasis::instance()->name() ).
arg( UnitsBasis::instance()->abbreviation() );
length_unit << unitFormatText( UnitsBasis::instance()->format() );
length_unit << QString::number( UnitsBasis::instance()->precision() );
settings.setValue( lC::Setting::LENGTH_UNIT, length_unit );
}
// Recover any changes made to the default color scheme preference.
if ( preferences_dialog_->getUi()->predefinedRadioButton->isChecked() ) {
if ( !OpenGLGlobals::instance()->isPredefinedScheme() ) {
OpenGLGlobals::instance()->setPredefinedScheme( true );
}
if ( preferences_dialog_->getUi()->colorSchemeListBox->currentIndex().row() !=
OpenGLGlobals::instance()->at() ) {
// This effectively discards any modifications which the user
// made to the custom settings. So, I guess the question is:
// Should toggling from custom to predefined change the
// values on the custom side?...I think so because you're
// saying I want the attributes of the selected predefined entry
// and there is only one current set of values.
OpenGLGlobals::instance()->
setScheme( preferences_dialog_->getUi()->colorSchemeListBox->currentIndex().row() );
}
settings.setValue( lC::Setting::ColorScheme::CUSTOM, false );
settings.setValue( lC::Setting::ColorScheme::BASE,
OpenGLGlobals::instance()->scheme().name() );
}
else {
settings.setValue( lC::Setting::ColorScheme::CUSTOM, true );
settings.setValue( lC::Setting::ColorScheme::BASE,
OpenGLGlobals::instance()->scheme().name() );
if ( OpenGLGlobals::instance()->isPredefinedScheme() )
OpenGLGlobals::instance()->setPredefinedScheme( false );
if ( preferences_dialog_->getUi()->geometryColorChooser->edited() ) {
OpenGLGlobals::instance()->
setGeometryColor( preferences_dialog_->getUi()->geometryColorChooser->color() );