diff options
Diffstat (limited to 'kpovmodeler/pmlibraryentrypreview.cpp')
| -rw-r--r-- | kpovmodeler/pmlibraryentrypreview.cpp | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/kpovmodeler/pmlibraryentrypreview.cpp b/kpovmodeler/pmlibraryentrypreview.cpp new file mode 100644 index 00000000..b7232cdd --- /dev/null +++ b/kpovmodeler/pmlibraryentrypreview.cpp @@ -0,0 +1,344 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2002 by Luis Carvalho + email : [email protected] +************************************************************************** + +************************************************************************** +* * +* 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. * +* * +**************************************************************************/ + + +#include "pmlibraryobject.h" +#include "pmlibraryhandle.h" +#include "pmlibraryentrypreview.h" +#include "pmdialogeditbase.h" +#include "pmpart.h" +#include "pmtreeview.h" +#include "pmxmlparser.h" +#include "pmscene.h" +#include "pmobjectdrag.h" + +#include <qlabel.h> +#include <qlineedit.h> +#include <qmultilineedit.h> +#include <qlayout.h> +#include <qpushbutton.h> +#include <qdragobject.h> + +#include <kurl.h> +#include <klocale.h> +#include <kdialog.h> +#include <kmessagebox.h> +#include <kfiledialog.h> + +PMLibraryEntryPreview::PMLibraryEntryPreview( QWidget* parent ) : + QWidget( parent ) +{ + setAcceptDrops( true ); + m_pPart = new PMPart( this, "treeview", NULL, "part", false, true ); + m_pPart->setReadWrite( false ); + m_readOnly = true; + m_modified = false; + m_subLib = false; + + setMaximumSize( 1000, 1000 ); + QVBoxLayout* vl = new QVBoxLayout( this, KDialog::spacingHint( ) ); + + QHBoxLayout* hl = new QHBoxLayout( vl ); + hl->addStretch( 1 ); + + QGridLayout* gl = new QGridLayout( vl, 4, 2 ); + gl->setColStretch( 1, 1 ); + QLabel* lbl = new QLabel( i18n( "Name: " ), this ); + m_pName = new QLineEdit( this ); + m_pName->setAlignment( Qt::AlignLeft ); + m_pName->setReadOnly( true ); + gl->addWidget( lbl, 0, 0 ); + gl->addWidget( m_pName, 0, 1 ); + + lbl = new QLabel( i18n( "Description:" ), this ); + lbl->setAlignment( Qt::AlignTop ); + m_pDescription = new QMultiLineEdit( this ); + m_pDescription->setAlignment( Qt::AlignTop | Qt::AlignLeft | + Qt::WordBreak | Qt::DontClip ); + m_pDescription->setReadOnly( true ); + gl->addWidget( lbl, 1, 0 ); + gl->addWidget( m_pDescription, 1, 1 ); + + m_pKeywordsLabel = new QLabel( i18n( "Keywords:" ), this ); + m_pKeywordsLabel->setAlignment( Qt::AlignTop ); + m_pKeywords = new QMultiLineEdit( this ); + m_pKeywords->setAlignment( Qt::AlignTop | Qt::AlignLeft | + Qt::WordBreak | Qt::DontClip ); + m_pKeywords->setReadOnly( true ); + gl->addWidget( m_pKeywordsLabel, 2, 0 ); + gl->addWidget( m_pKeywords, 2, 1 ); + + m_pContentsLabel = new QLabel( i18n( "Contents:" ), this ); + m_pContentsPreview = new PMTreeView( m_pPart, this ); + gl->addMultiCellWidget( m_pContentsLabel, 3, 3, 0, 1 ); + gl->addMultiCellWidget( m_pContentsPreview, 4, 4, 0, 1 ); + gl->setRowStretch(4, 1); + + hl = new QHBoxLayout( vl ); + hl->addStretch( 1 ); + m_pSetPreviewImageButton = new QPushButton( i18n( "Change Preview Image" ), this ); + m_pSetPreviewImageButton->setEnabled( false ); + hl->addWidget( m_pSetPreviewImageButton ); + + hl = new QHBoxLayout( vl ); + hl->addStretch( 1 ); + m_pApplyChanges = new QPushButton( i18n( "&Apply" ), this ); + m_pApplyChanges->setEnabled( false ); + hl->addWidget( m_pApplyChanges ); + m_pCancelChanges = new QPushButton( i18n( "&Cancel" ), this ); + m_pCancelChanges->setEnabled( false ); + hl->addWidget( m_pCancelChanges ); + + connect( m_pName, SIGNAL( textChanged( const QString& ) ), + SLOT( slotTextChanged( const QString& ) ) ); + connect( m_pDescription, SIGNAL( textChanged( ) ), + SLOT( slotTextChanged( ) ) ); + connect( m_pKeywords, SIGNAL( textChanged( ) ), + SLOT( slotTextChanged( ) ) ); + connect( m_pSetPreviewImageButton, SIGNAL( clicked( ) ), + SLOT( slotPreviewClicked( ) ) ); + connect( m_pPart, SIGNAL( modified( ) ), + SLOT( slotTextChanged( ) ) ); + connect( m_pApplyChanges, SIGNAL( clicked( ) ), SLOT( slotApplyClicked( ) ) ); + connect( m_pCancelChanges, SIGNAL( clicked( ) ), SLOT( slotCancelClicked( ) ) ); + vl->addStretch( 1 ); +} + +PMLibraryEntryPreview::~PMLibraryEntryPreview( ) +{ +// delete m_pPart; +} + +bool PMLibraryEntryPreview::showPreview( KURL u, bool readOnly, bool subLib ) +{ + bool result = false; + + if( u.isLocalFile( ) ) + { + result = saveIfNeeded( ); + + m_image.reset( ); + + m_subLib = subLib; + if( subLib ) + { + // Load the new subLib to preview + PMLibraryHandle lib( u.path( ) ); + m_pName->setText( lib.name( ) ); + m_pDescription->setText( lib.description( ) ); + m_pKeywords->setText( "" ); + m_pPart->setReadWrite( true ); + m_pPart->setScene( new PMScene( m_pPart ) ); + m_pContentsPreview->slotRefresh( ); + m_pPart->setReadWrite( false ); + } + else + { + // Load the new object to preview + PMLibraryObject aux( u ); + + m_pName->setText( aux.name( ) ); + m_pDescription->setText( aux.description( ) ); + m_pKeywords->setText( aux.keywords( ) ); + if( aux.preview( ) ) + { + m_image = aux.preview( )->copy( ); + } + loadObjects( aux.objects( ) ); + // Save the preview location + } + m_pKeywordsLabel->setEnabled( !subLib ); + m_pKeywords->setEnabled( !subLib ); + m_pContentsLabel->setEnabled( !subLib ); + m_pContentsPreview->setEnabled( !subLib ); + setReadOnly( readOnly ); + setModified( false ); + m_currentURL = u; + } + return result; +} + +void PMLibraryEntryPreview::loadObjects( QByteArray* obj ) +{ + + m_pPart->setReadWrite( true ); + m_pPart->setScene( new PMScene( m_pPart ) ); + if( obj ) + { + PMXMLParser parser( m_pPart, *obj ); + m_pPart->insertFromParser( i18n( "Object Load" ), &parser, m_pPart->scene( ) ); + } + m_pPart->setReadWrite( false ); + m_pContentsPreview->slotRefresh( ); +} + +void PMLibraryEntryPreview::clearPreview( ) +{ + saveIfNeeded( ); + m_pName->setText( "" ); + m_pDescription->setText( "" ); + m_pKeywords->setText( "" ); + m_image.reset( ); + m_pPart->setReadWrite( true ); + m_pPart->setScene( new PMScene( m_pPart ) ); + m_pContentsPreview->slotRefresh( ); + m_pPart->setReadWrite( false ); + setReadOnly( true ); + setModified( false ); +} + +void PMLibraryEntryPreview::setReadOnly( bool b ) +{ + m_readOnly = b; + if( b ) + { + m_pName->setReadOnly( true ); + m_pDescription->setReadOnly( true ); + m_pKeywords->setReadOnly( true ); + m_pSetPreviewImageButton->setEnabled( false ); + m_pPart->setReadWrite( false ); + } + else + { + m_pName->setReadOnly( false ); + m_pDescription->setReadOnly( false ); + if( m_subLib ) + { + m_pKeywords->setReadOnly( true ); + m_pSetPreviewImageButton->setEnabled( false ); + m_pPart->setReadWrite( false ); + } + else + { + m_pKeywords->setReadOnly( false ); + m_pSetPreviewImageButton->setEnabled( true ); + m_pPart->setReadWrite( true ); + } + } +} + +void PMLibraryEntryPreview::slotTextChanged( ) +{ + setModified( true ); +} + +void PMLibraryEntryPreview::slotTextChanged( const QString& /* s */) +{ + setModified( true ); +} + +void PMLibraryEntryPreview::slotPreviewClicked( ) +{ + KFileDialog dlg( QString::null, "", NULL, "", false ); + + dlg.setFilter( "image/jpeg image/gif image/tiff image/png image/x-bmp" ); + if( dlg.exec( ) == QDialog::Accepted ) + { + m_image.load( dlg.selectedFile( ) ); + setModified( true ); + } +} + +void PMLibraryEntryPreview::slotApplyClicked( ) +{ + saveIfNeeded( true ); + emit objectChanged( ); +} + +void PMLibraryEntryPreview::slotCancelClicked( ) +{ + setModified( false ); + showPreview( m_currentURL, m_readOnly, m_subLib ); +} + +bool PMLibraryEntryPreview::saveIfNeeded( bool forceSave ) +{ + if ( m_modified ) + { + // ask if we must save the changes + if( forceSave || KMessageBox::questionYesNo( this, + i18n( "The object has been modified and not saved.\nDo you wish to save?" ), + i18n( "Warning" ), KStdGuiItem::save(), KStdGuiItem::discard() ) == KMessageBox::Yes ) + { + if( m_subLib ) + { + PMLibraryHandle lib( m_currentURL.path( ) ); + lib.setName( m_pName->text( ) ); + lib.setDescription( m_pDescription->text( ) ); + lib.saveLibraryInfo( ); + } + else + { + PMLibraryObject objToSave; + PMObjectList sortedList; + PMObject* tmp; + + // First save the text parameters. + objToSave.setName( m_pName->text( ) ); + objToSave.setDescription( m_pDescription->text( ) ); + objToSave.setKeywords( m_pKeywords->text( ) ); + + // Gather the contents of the part. + tmp = m_pPart->scene( )->firstChild( ); + while( tmp ) + { + sortedList.append( tmp ); + tmp = tmp->nextSibling(); + } + + // Add them to the object to save. + PMObjectDrag drag( m_pPart, sortedList ); + objToSave.setObjects( drag.encodedData( "application/x-kpovmodeler" ) ); + + // Add the preview image + objToSave.setPreview( m_image.copy( ) ); + + // Finally save the object to a file. + kdDebug( 0 ) << m_currentURL.path( ) << "\n"; + objToSave.save( m_currentURL.path( ) ); + } + setModified( false ); + return true; + } + setModified( false ); + } + return false; +} + +void PMLibraryEntryPreview::dragEnterEvent( QDragEnterEvent* event ) +{ + event->accept( !m_readOnly && QImageDrag::canDecode( event ) ); +} + +void PMLibraryEntryPreview::dropEvent( QDropEvent* event ) +{ + QImage img; + if( QImageDrag::decode( event, img ) ) + { + m_image = img; + setModified( true ); + } +} + +void PMLibraryEntryPreview::setModified( bool modified ) +{ + m_modified = modified; + m_pApplyChanges->setEnabled( modified ); + m_pCancelChanges->setEnabled( modified ); +} + +#include "pmlibraryentrypreview.moc" |