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345 lines
11 KiB
345 lines
11 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2002 by Luis Carvalho
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email : lpassos@mail.telepac.pt
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#include "pmlibraryobject.h"
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#include "pmlibraryhandle.h"
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#include "pmlibraryentrypreview.h"
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#include "pmdialogeditbase.h"
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#include "pmpart.h"
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#include "pmtreeview.h"
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#include "pmxmlparser.h"
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#include "pmscene.h"
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#include "pmobjectdrag.h"
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#include <tqlabel.h>
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#include <tqlineedit.h>
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#include <tqmultilineedit.h>
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#include <tqlayout.h>
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#include <tqpushbutton.h>
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#include <tqdragobject.h>
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#include <kurl.h>
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#include <klocale.h>
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#include <kdialog.h>
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#include <kmessagebox.h>
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#include <tdefiledialog.h>
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PMLibraryEntryPreview::PMLibraryEntryPreview( TQWidget* parent ) :
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TQWidget( parent )
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{
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setAcceptDrops( true );
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m_pPart = new PMPart( this, "treeview", NULL, "part", false, true );
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m_pPart->setReadWrite( false );
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m_readOnly = true;
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m_modified = false;
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m_subLib = false;
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setMaximumSize( 1000, 1000 );
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TQVBoxLayout* vl = new TQVBoxLayout( this, KDialog::spacingHint( ) );
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TQHBoxLayout* hl = new TQHBoxLayout( vl );
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hl->addStretch( 1 );
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TQGridLayout* gl = new TQGridLayout( vl, 4, 2 );
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gl->setColStretch( 1, 1 );
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TQLabel* lbl = new TQLabel( i18n( "Name: " ), this );
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m_pName = new TQLineEdit( this );
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m_pName->setAlignment( TQt::AlignLeft );
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m_pName->setReadOnly( true );
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gl->addWidget( lbl, 0, 0 );
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gl->addWidget( m_pName, 0, 1 );
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lbl = new TQLabel( i18n( "Description:" ), this );
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lbl->setAlignment( TQt::AlignTop );
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m_pDescription = new TQMultiLineEdit( this );
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m_pDescription->setAlignment( TQt::AlignTop | TQt::AlignLeft |
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TQt::WordBreak | TQt::DontClip );
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m_pDescription->setReadOnly( true );
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gl->addWidget( lbl, 1, 0 );
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gl->addWidget( m_pDescription, 1, 1 );
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m_pKeywordsLabel = new TQLabel( i18n( "Keywords:" ), this );
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m_pKeywordsLabel->setAlignment( TQt::AlignTop );
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m_pKeywords = new TQMultiLineEdit( this );
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m_pKeywords->setAlignment( TQt::AlignTop | TQt::AlignLeft |
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TQt::WordBreak | TQt::DontClip );
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m_pKeywords->setReadOnly( true );
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gl->addWidget( m_pKeywordsLabel, 2, 0 );
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gl->addWidget( m_pKeywords, 2, 1 );
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m_pContentsLabel = new TQLabel( i18n( "Contents:" ), this );
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m_pContentsPreview = new PMTreeView( m_pPart, this );
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gl->addMultiCellWidget( m_pContentsLabel, 3, 3, 0, 1 );
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gl->addMultiCellWidget( m_pContentsPreview, 4, 4, 0, 1 );
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gl->setRowStretch(4, 1);
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hl = new TQHBoxLayout( vl );
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hl->addStretch( 1 );
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m_pSetPreviewImageButton = new TQPushButton( i18n( "Change Preview Image" ), this );
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m_pSetPreviewImageButton->setEnabled( false );
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hl->addWidget( m_pSetPreviewImageButton );
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hl = new TQHBoxLayout( vl );
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hl->addStretch( 1 );
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m_pApplyChanges = new TQPushButton( i18n( "&Apply" ), this );
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m_pApplyChanges->setEnabled( false );
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hl->addWidget( m_pApplyChanges );
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m_pCancelChanges = new TQPushButton( i18n( "&Cancel" ), this );
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m_pCancelChanges->setEnabled( false );
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hl->addWidget( m_pCancelChanges );
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connect( m_pName, TQT_SIGNAL( textChanged( const TQString& ) ),
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TQT_SLOT( slotTextChanged( const TQString& ) ) );
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connect( m_pDescription, TQT_SIGNAL( textChanged( ) ),
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TQT_SLOT( slotTextChanged( ) ) );
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connect( m_pKeywords, TQT_SIGNAL( textChanged( ) ),
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TQT_SLOT( slotTextChanged( ) ) );
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connect( m_pSetPreviewImageButton, TQT_SIGNAL( clicked( ) ),
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TQT_SLOT( slotPreviewClicked( ) ) );
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connect( m_pPart, TQT_SIGNAL( modified( ) ),
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TQT_SLOT( slotTextChanged( ) ) );
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connect( m_pApplyChanges, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotApplyClicked( ) ) );
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connect( m_pCancelChanges, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotCancelClicked( ) ) );
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vl->addStretch( 1 );
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}
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PMLibraryEntryPreview::~PMLibraryEntryPreview( )
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{
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// delete m_pPart;
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}
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bool PMLibraryEntryPreview::showPreview( KURL u, bool readOnly, bool subLib )
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{
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bool result = false;
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if( u.isLocalFile( ) )
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{
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result = saveIfNeeded( );
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m_image.reset( );
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m_subLib = subLib;
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if( subLib )
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{
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// Load the new subLib to preview
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PMLibraryHandle lib( u.path( ) );
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m_pName->setText( lib.name( ) );
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m_pDescription->setText( lib.description( ) );
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m_pKeywords->setText( "" );
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m_pPart->setReadWrite( true );
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m_pPart->setScene( new PMScene( m_pPart ) );
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m_pContentsPreview->slotRefresh( );
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m_pPart->setReadWrite( false );
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}
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else
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{
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// Load the new object to preview
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PMLibraryObject aux( u );
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m_pName->setText( aux.name( ) );
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m_pDescription->setText( aux.description( ) );
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m_pKeywords->setText( aux.keywords( ) );
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if( aux.preview( ) )
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{
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m_image = aux.preview( )->copy( );
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}
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loadObjects( aux.objects( ) );
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// Save the preview location
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}
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m_pKeywordsLabel->setEnabled( !subLib );
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m_pKeywords->setEnabled( !subLib );
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m_pContentsLabel->setEnabled( !subLib );
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m_pContentsPreview->setEnabled( !subLib );
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setReadOnly( readOnly );
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setModified( false );
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m_currentURL = u;
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}
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return result;
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}
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void PMLibraryEntryPreview::loadObjects( TQByteArray* obj )
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{
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m_pPart->setReadWrite( true );
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m_pPart->setScene( new PMScene( m_pPart ) );
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if( obj )
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{
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PMXMLParser parser( m_pPart, *obj );
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m_pPart->insertFromParser( i18n( "Object Load" ), &parser, m_pPart->scene( ) );
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}
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m_pPart->setReadWrite( false );
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m_pContentsPreview->slotRefresh( );
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}
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void PMLibraryEntryPreview::clearPreview( )
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{
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saveIfNeeded( );
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m_pName->setText( "" );
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m_pDescription->setText( "" );
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m_pKeywords->setText( "" );
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m_image.reset( );
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m_pPart->setReadWrite( true );
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m_pPart->setScene( new PMScene( m_pPart ) );
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m_pContentsPreview->slotRefresh( );
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m_pPart->setReadWrite( false );
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setReadOnly( true );
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setModified( false );
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}
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void PMLibraryEntryPreview::setReadOnly( bool b )
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{
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m_readOnly = b;
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if( b )
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{
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m_pName->setReadOnly( true );
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m_pDescription->setReadOnly( true );
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m_pKeywords->setReadOnly( true );
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m_pSetPreviewImageButton->setEnabled( false );
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m_pPart->setReadWrite( false );
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}
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else
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{
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m_pName->setReadOnly( false );
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m_pDescription->setReadOnly( false );
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if( m_subLib )
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{
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m_pKeywords->setReadOnly( true );
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m_pSetPreviewImageButton->setEnabled( false );
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m_pPart->setReadWrite( false );
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}
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else
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{
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m_pKeywords->setReadOnly( false );
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m_pSetPreviewImageButton->setEnabled( true );
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m_pPart->setReadWrite( true );
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}
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}
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}
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void PMLibraryEntryPreview::slotTextChanged( )
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{
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setModified( true );
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}
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void PMLibraryEntryPreview::slotTextChanged( const TQString& /* s */)
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{
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setModified( true );
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}
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void PMLibraryEntryPreview::slotPreviewClicked( )
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{
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KFileDialog dlg( TQString(), "", NULL, "", false );
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dlg.setFilter( "image/jpeg image/gif image/tiff image/png image/x-bmp" );
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if( dlg.exec( ) == TQDialog::Accepted )
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{
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m_image.load( dlg.selectedFile( ) );
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setModified( true );
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}
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}
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void PMLibraryEntryPreview::slotApplyClicked( )
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{
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saveIfNeeded( true );
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emit objectChanged( );
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}
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void PMLibraryEntryPreview::slotCancelClicked( )
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{
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setModified( false );
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showPreview( m_currentURL, m_readOnly, m_subLib );
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}
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bool PMLibraryEntryPreview::saveIfNeeded( bool forceSave )
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{
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if ( m_modified )
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{
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// ask if we must save the changes
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if( forceSave || KMessageBox::questionYesNo( this,
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i18n( "The object has been modified and not saved.\nDo you wish to save?" ),
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i18n( "Warning" ), KStdGuiItem::save(), KStdGuiItem::discard() ) == KMessageBox::Yes )
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{
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if( m_subLib )
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{
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PMLibraryHandle lib( m_currentURL.path( ) );
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lib.setName( m_pName->text( ) );
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lib.setDescription( m_pDescription->text( ) );
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lib.saveLibraryInfo( );
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}
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else
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{
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PMLibraryObject objToSave;
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PMObjectList sortedList;
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PMObject* tmp;
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// First save the text parameters.
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objToSave.setName( m_pName->text( ) );
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objToSave.setDescription( m_pDescription->text( ) );
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objToSave.setKeywords( m_pKeywords->text( ) );
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// Gather the contents of the part.
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tmp = m_pPart->scene( )->firstChild( );
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while( tmp )
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{
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sortedList.append( tmp );
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tmp = tmp->nextSibling();
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}
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// Add them to the object to save.
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PMObjectDrag drag( m_pPart, sortedList );
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objToSave.setObjects( drag.encodedData( "application/x-kpovmodeler" ) );
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// Add the preview image
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objToSave.setPreview( m_image.copy( ) );
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// Finally save the object to a file.
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kdDebug( 0 ) << m_currentURL.path( ) << "\n";
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objToSave.save( m_currentURL.path( ) );
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}
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setModified( false );
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return true;
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}
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setModified( false );
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}
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return false;
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}
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void PMLibraryEntryPreview::dragEnterEvent( TQDragEnterEvent* event )
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{
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event->accept( !m_readOnly && TQImageDrag::canDecode( event ) );
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}
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void PMLibraryEntryPreview::dropEvent( TQDropEvent* event )
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{
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TQImage img;
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if( TQImageDrag::decode( event, img ) )
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{
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m_image = img;
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setModified( true );
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}
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}
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void PMLibraryEntryPreview::setModified( bool modified )
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{
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m_modified = modified;
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m_pApplyChanges->setEnabled( modified );
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m_pCancelChanges->setEnabled( modified );
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}
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#include "pmlibraryentrypreview.moc"
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