Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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"