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-rw-r--r--tdeparts/part.cpp705
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diff --git a/tdeparts/part.cpp b/tdeparts/part.cpp
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+++ b/tdeparts/part.cpp
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+/* This file is part of the KDE project
+ Copyright (C) 1999 Simon Hausmann <hausmann@kde.org>
+ (C) 1999 David Faure <faure@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include <tdeparts/part.h>
+#include <tdeparts/event.h>
+#include <tdeparts/plugin.h>
+#include <tdeparts/mainwindow.h>
+#include <tdeparts/partmanager.h>
+
+#include <tqapplication.h>
+#include <tqfile.h>
+#include <tqpoint.h>
+#include <tqpointarray.h>
+#include <tqpainter.h>
+#include <tqtextstream.h>
+#include <tqfileinfo.h>
+
+#include <kinstance.h>
+#include <tdelocale.h>
+#include <tdetempfile.h>
+#include <tdemessagebox.h>
+#include <tdeio/job.h>
+#include <kstandarddirs.h>
+#include <tdefiledialog.h>
+#include <kdirnotify_stub.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <assert.h>
+#include <kdebug.h>
+
+template class TQPtrList<KXMLGUIClient>;
+
+using namespace KParts;
+
+namespace KParts
+{
+
+class PartBasePrivate
+{
+public:
+ PartBasePrivate()
+ {
+ m_pluginLoadingMode = PartBase::LoadPlugins;
+ }
+ ~PartBasePrivate()
+ {
+ }
+ PartBase::PluginLoadingMode m_pluginLoadingMode;
+};
+
+class PartPrivate
+{
+public:
+ PartPrivate()
+ {
+ m_bSelectable = true;
+ }
+ ~PartPrivate()
+ {
+ }
+
+ bool m_bSelectable;
+};
+}
+
+PartBase::PartBase()
+{
+ d = new PartBasePrivate;
+ m_obj = 0L;
+}
+
+PartBase::~PartBase()
+{
+ delete d;
+}
+
+void PartBase::setPartObject( TQObject *obj )
+{
+ m_obj = obj;
+}
+
+TQObject *PartBase::partObject() const
+{
+ return m_obj;
+}
+
+void PartBase::setInstance( TDEInstance *inst )
+{
+ setInstance( inst, true );
+}
+
+void PartBase::setInstance( TDEInstance *inst, bool bLoadPlugins )
+{
+ KXMLGUIClient::setInstance( inst );
+ TDEGlobal::locale()->insertCatalogue( inst->instanceName() );
+ // install 'instancename'data resource type
+ TDEGlobal::dirs()->addResourceType( inst->instanceName() + "data",
+ TDEStandardDirs::kde_default( "data" )
+ + TQString::fromLatin1( inst->instanceName() ) + '/' );
+ if ( bLoadPlugins )
+ loadPlugins( m_obj, this, instance() );
+}
+
+void PartBase::loadPlugins( TQObject *parent, KXMLGUIClient *parentGUIClient, TDEInstance *instance )
+{
+ if( d->m_pluginLoadingMode != DoNotLoadPlugins )
+ Plugin::loadPlugins( parent, parentGUIClient, instance, d->m_pluginLoadingMode == LoadPlugins );
+}
+
+void PartBase::setPluginLoadingMode( PluginLoadingMode loadingMode )
+{
+ d->m_pluginLoadingMode = loadingMode;
+}
+
+Part::Part( TQObject *parent, const char* name )
+ : TQObject( parent, name )
+{
+ d = new PartPrivate;
+ m_widget = 0L;
+ m_manager = 0L;
+ PartBase::setPartObject( this );
+}
+
+Part::~Part()
+{
+ kdDebug(1000) << "Part::~Part " << this << endl;
+
+ if ( m_widget )
+ {
+ // We need to disconnect first, to avoid calling it !
+ disconnect( m_widget, TQT_SIGNAL( destroyed() ),
+ this, TQT_SLOT( slotWidgetDestroyed() ) );
+ }
+
+ if ( m_manager )
+ m_manager->removePart(this);
+
+ if ( m_widget )
+ {
+ kdDebug(1000) << "deleting widget " << m_widget << " " << m_widget->name() << endl;
+ delete (TQWidget*) m_widget;
+ }
+
+ delete d;
+}
+
+void Part::embed( TQWidget * parentWidget )
+{
+ if ( widget() )
+ widget()->reparent( parentWidget, 0, TQPoint( 0, 0 ), true );
+}
+
+TQWidget *Part::widget()
+{
+ return m_widget;
+}
+
+void Part::setManager( PartManager *manager )
+{
+ m_manager = manager;
+}
+
+PartManager *Part::manager() const
+{
+ return m_manager;
+}
+
+Part *Part::hitTest( TQWidget *widget, const TQPoint & )
+{
+ if ( (TQWidget *)m_widget != widget )
+ return 0L;
+
+ return this;
+}
+
+void Part::setWidget( TQWidget *widget )
+{
+ assert ( !m_widget ); // otherwise we get two connects
+ m_widget = widget;
+ connect( m_widget, TQT_SIGNAL( destroyed() ),
+ this, TQT_SLOT( slotWidgetDestroyed() ) );
+
+ // Tell the actionCollection() which widget its
+ // action shortcuts should be connected to.
+ actionCollection()->setWidget( widget );
+
+ // Since KParts objects are XML-based, shortcuts should
+ // be connected to the widget when the XML settings
+ // are processed, rather than on TDEAction construction.
+ actionCollection()->setAutoConnectShortcuts( false );
+}
+
+void Part::setSelectable( bool selectable )
+{
+ d->m_bSelectable = selectable;
+}
+
+bool Part::isSelectable() const
+{
+ return d->m_bSelectable;
+}
+
+void Part::customEvent( TQCustomEvent *event )
+{
+ if ( PartActivateEvent::test( event ) )
+ {
+ partActivateEvent( (PartActivateEvent *)event );
+ return;
+ }
+
+ if ( PartSelectEvent::test( event ) )
+ {
+ partSelectEvent( (PartSelectEvent *)event );
+ return;
+ }
+
+ if ( GUIActivateEvent::test( event ) )
+ {
+ guiActivateEvent( (GUIActivateEvent *)event );
+ return;
+ }
+
+ TQObject::customEvent( event );
+}
+
+void Part::partActivateEvent( PartActivateEvent * )
+{
+}
+
+void Part::partSelectEvent( PartSelectEvent * )
+{
+}
+
+void Part::guiActivateEvent( GUIActivateEvent * )
+{
+}
+
+TQWidget *Part::hostContainer( const TQString &containerName )
+{
+ if ( !factory() )
+ return 0L;
+
+ return factory()->container( containerName, this );
+}
+
+void Part::slotWidgetDestroyed()
+{
+ kdDebug(1000) << "KPart::slotWidgetDestroyed(), deleting part " << name() << endl;
+ m_widget = 0;
+ delete this;
+}
+
+//////////////////////////////////////////////////
+
+namespace KParts
+{
+
+class ReadOnlyPartPrivate
+{
+public:
+ ReadOnlyPartPrivate()
+ {
+ m_job = 0L;
+ m_uploadJob = 0L;
+ m_showProgressInfo = true;
+ m_saveOk = false;
+ m_waitForSave = false;
+ m_duringSaveAs = false;
+ }
+ ~ReadOnlyPartPrivate()
+ {
+ }
+
+ TDEIO::FileCopyJob * m_job;
+ TDEIO::FileCopyJob * m_uploadJob;
+ KURL m_originalURL; // for saveAs
+ TQString m_originalFilePath; // for saveAs
+ bool m_showProgressInfo : 1;
+ bool m_saveOk : 1;
+ bool m_waitForSave : 1;
+ bool m_duringSaveAs : 1;
+};
+
+}
+
+ReadOnlyPart::ReadOnlyPart( TQObject *parent, const char *name )
+ : Part( parent, name ), m_bTemp( false )
+{
+ d = new ReadOnlyPartPrivate;
+}
+
+ReadOnlyPart::~ReadOnlyPart()
+{
+ ReadOnlyPart::closeURL();
+ delete d;
+}
+
+void ReadOnlyPart::setProgressInfoEnabled( bool show )
+{
+ d->m_showProgressInfo = show;
+}
+
+bool ReadOnlyPart::isProgressInfoEnabled() const
+{
+ return d->m_showProgressInfo;
+}
+
+#ifndef KDE_NO_COMPAT
+void ReadOnlyPart::showProgressInfo( bool show )
+{
+ d->m_showProgressInfo = show;
+}
+#endif
+
+bool ReadOnlyPart::openURL( const KURL &url )
+{
+ if ( !url.isValid() )
+ return false;
+ if ( !closeURL() )
+ return false;
+ m_url = url;
+ if ( m_url.isLocalFile() )
+ {
+ emit started( 0 );
+ m_file = m_url.path();
+ bool ret = openFile();
+ if (ret)
+ {
+ emit completed();
+ emit setWindowCaption( m_url.prettyURL() );
+ };
+ return ret;
+ }
+ else
+ {
+ m_bTemp = true;
+ // Use same extension as remote file. This is important for mimetype-determination (e.g. koffice)
+ TQString fileName = url.fileName();
+ TQFileInfo fileInfo(fileName);
+ TQString ext = fileInfo.extension();
+ TQString extension;
+ if ( !ext.isEmpty() && url.query().isNull() ) // not if the URL has a query, e.g. cgi.pl?something
+ extension = "."+ext; // keep the '.'
+ KTempFile tempFile( TQString::null, extension );
+ m_file = tempFile.name();
+
+ KURL destURL;
+ destURL.setPath( m_file );
+ d->m_job = TDEIO::file_copy( m_url, destURL, 0600, true, false, d->m_showProgressInfo );
+ d->m_job->setWindow( widget() ? widget()->topLevelWidget() : 0 );
+ emit started( d->m_job );
+ connect( d->m_job, TQT_SIGNAL( result( TDEIO::Job * ) ), this, TQT_SLOT( slotJobFinished ( TDEIO::Job * ) ) );
+ return true;
+ }
+}
+
+void ReadOnlyPart::abortLoad()
+{
+ if ( d->m_job )
+ {
+ //kdDebug(1000) << "Aborting job " << d->m_job << endl;
+ d->m_job->kill();
+ d->m_job = 0;
+ }
+}
+
+bool ReadOnlyPart::closeURL()
+{
+ abortLoad(); //just in case
+
+ if ( m_bTemp )
+ {
+ unlink( TQFile::encodeName(m_file) );
+ m_bTemp = false;
+ }
+ // It always succeeds for a read-only part,
+ // but the return value exists for reimplementations
+ // (e.g. pressing cancel for a modified read-write part)
+ return true;
+}
+
+void ReadOnlyPart::slotJobFinished( TDEIO::Job * job )
+{
+ kdDebug(1000) << "ReadOnlyPart::slotJobFinished" << endl;
+ assert( job == d->m_job );
+ d->m_job = 0;
+ if (job->error())
+ emit canceled( job->errorString() );
+ else
+ {
+ if ( openFile() )
+ emit setWindowCaption( m_url.prettyURL() );
+ emit completed();
+ }
+}
+
+void ReadOnlyPart::guiActivateEvent( GUIActivateEvent * event )
+{
+ if (event->activated())
+ {
+ if (!m_url.isEmpty())
+ {
+ kdDebug(1000) << "ReadOnlyPart::guiActivateEvent -> " << m_url.prettyURL() << endl;
+ emit setWindowCaption( m_url.prettyURL() );
+ } else emit setWindowCaption( "" );
+ }
+}
+
+bool ReadOnlyPart::openStream( const TQString& mimeType, const KURL& url )
+{
+ if ( !closeURL() )
+ return false;
+ m_url = url;
+ return doOpenStream( mimeType );
+}
+
+bool ReadOnlyPart::writeStream( const TQByteArray& data )
+{
+ return doWriteStream( data );
+}
+
+bool ReadOnlyPart::closeStream()
+{
+ return doCloseStream();
+}
+
+//////////////////////////////////////////////////
+
+ReadWritePart::ReadWritePart( TQObject *parent, const char *name )
+ : ReadOnlyPart( parent, name ), m_bModified( false ), m_bClosing( false )
+{
+ m_bReadWrite = true;
+}
+
+ReadWritePart::~ReadWritePart()
+{
+ // parent destructor will delete temp file
+ // we can't call our own closeURL() here, because
+ // "cancel" wouldn't cancel anything. We have to assume
+ // the app called closeURL() before destroying us.
+}
+
+void ReadWritePart::setReadWrite( bool readwrite )
+{
+ // Perhaps we should check isModified here and issue a warning if true
+ m_bReadWrite = readwrite;
+}
+
+void ReadWritePart::setModified( bool modified )
+{
+ kdDebug(1000) << "ReadWritePart::setModified( " << (modified ? "true" : "false") << ")" << endl;
+ if ( !m_bReadWrite && modified )
+ {
+ kdError(1000) << "Can't set a read-only document to 'modified' !" << endl;
+ return;
+ }
+ m_bModified = modified;
+}
+
+void ReadWritePart::setModified()
+{
+ setModified( true );
+}
+
+bool ReadWritePart::queryClose()
+{
+ if ( !isReadWrite() || !isModified() )
+ return true;
+
+ TQString docName = url().fileName();
+ if (docName.isEmpty()) docName = i18n( "Untitled" );
+
+ int res = KMessageBox::warningYesNoCancel( widget(),
+ i18n( "The document \"%1\" has been modified.\n"
+ "Do you want to save your changes or discard them?" ).arg( docName ),
+ i18n( "Close Document" ), KStdGuiItem::save(), KStdGuiItem::discard() );
+
+ bool abortClose=false;
+ bool handled=false;
+
+ switch(res) {
+ case KMessageBox::Yes :
+ sigQueryClose(&handled,&abortClose);
+ if (!handled)
+ {
+ if (m_url.isEmpty())
+ {
+ KURL url = KFileDialog::getSaveURL();
+ if (url.isEmpty())
+ return false;
+
+ saveAs( url );
+ }
+ else
+ {
+ save();
+ }
+ } else if (abortClose) return false;
+ return waitSaveComplete();
+ case KMessageBox::No :
+ return true;
+ default : // case KMessageBox::Cancel :
+ return false;
+ }
+}
+
+bool ReadWritePart::closeURL()
+{
+ abortLoad(); //just in case
+ if ( isReadWrite() && isModified() )
+ {
+ if (!queryClose())
+ return false;
+ }
+ // Not modified => ok and delete temp file.
+ return ReadOnlyPart::closeURL();
+}
+
+bool ReadWritePart::closeURL( bool promptToSave )
+{
+ return promptToSave ? closeURL() : ReadOnlyPart::closeURL();
+}
+
+bool ReadWritePart::save()
+{
+ d->m_saveOk = false;
+ if ( m_file.isEmpty() ) // document was created empty
+ prepareSaving();
+ if( saveFile() )
+ return saveToURL();
+ else
+ emit canceled(TQString::null);
+ return false;
+}
+
+bool ReadWritePart::saveAs( const KURL & kurl )
+{
+ if (!kurl.isValid())
+ {
+ kdError(1000) << "saveAs: Malformed URL " << kurl.url() << endl;
+ return false;
+ }
+ d->m_duringSaveAs = true;
+ d->m_originalURL = m_url;
+ d->m_originalFilePath = m_file;
+ m_url = kurl; // Store where to upload in saveToURL
+ prepareSaving();
+ bool result = save(); // Save local file and upload local file
+ if (result)
+ emit setWindowCaption( m_url.prettyURL() );
+ else
+ {
+ m_url = d->m_originalURL;
+ m_file = d->m_originalFilePath;
+ d->m_duringSaveAs = false;
+ d->m_originalURL = KURL();
+ d->m_originalFilePath = TQString::null;
+ }
+
+ return result;
+}
+
+// Set m_file correctly for m_url
+void ReadWritePart::prepareSaving()
+{
+ // Local file
+ if ( m_url.isLocalFile() )
+ {
+ if ( m_bTemp ) // get rid of a possible temp file first
+ { // (happens if previous url was remote)
+ unlink( TQFile::encodeName(m_file) );
+ m_bTemp = false;
+ }
+ m_file = m_url.path();
+ }
+ else
+ { // Remote file
+ // We haven't saved yet, or we did but locally - provide a temp file
+ if ( m_file.isEmpty() || !m_bTemp )
+ {
+ KTempFile tempFile;
+ m_file = tempFile.name();
+ m_bTemp = true;
+ }
+ // otherwise, we already had a temp file
+ }
+}
+
+bool ReadWritePart::saveToURL()
+{
+ if ( m_url.isLocalFile() )
+ {
+ setModified( false );
+ emit completed();
+ // if m_url is a local file there won't be a temp file -> nothing to remove
+ assert( !m_bTemp );
+ d->m_saveOk = true;
+ d->m_duringSaveAs = false;
+ d->m_originalURL = KURL();
+ d->m_originalFilePath = TQString::null;
+ return true; // Nothing to do
+ }
+ else
+ {
+ if (d->m_uploadJob)
+ {
+ unlink(TQFile::encodeName(d->m_uploadJob->srcURL().path()));
+ d->m_uploadJob->kill();
+ d->m_uploadJob = 0;
+ }
+ KTempFile tempFile;
+ TQString uploadFile = tempFile.name();
+ KURL uploadUrl;
+ uploadUrl.setPath( uploadFile );
+ tempFile.unlink();
+ // Create hardlink
+ if (::link(TQFile::encodeName(m_file), TQFile::encodeName(uploadFile)) != 0)
+ {
+ // Uh oh, some error happened.
+ return false;
+ }
+ d->m_uploadJob = TDEIO::file_move( uploadUrl, m_url, -1, true /*overwrite*/ );
+ d->m_uploadJob->setWindow( widget() ? widget()->topLevelWidget() : 0 );
+ connect( d->m_uploadJob, TQT_SIGNAL( result( TDEIO::Job * ) ), this, TQT_SLOT( slotUploadFinished (TDEIO::Job *) ) );
+ return true;
+ }
+}
+
+void ReadWritePart::slotUploadFinished( TDEIO::Job * )
+{
+ if (d->m_uploadJob->error())
+ {
+ unlink(TQFile::encodeName(d->m_uploadJob->srcURL().path()));
+ TQString error = d->m_uploadJob->errorString();
+ d->m_uploadJob = 0;
+ if (d->m_duringSaveAs) {
+ m_url = d->m_originalURL;
+ m_file = d->m_originalFilePath;
+ }
+ emit canceled( error );
+ }
+ else
+ {
+ KDirNotify_stub allDirNotify("*", "KDirNotify*");
+ KURL dirUrl( m_url );
+ dirUrl.setPath( dirUrl.directory() );
+ allDirNotify.FilesAdded( dirUrl );
+
+ d->m_uploadJob = 0;
+ setModified( false );
+ emit completed();
+ d->m_saveOk = true;
+ }
+ d->m_duringSaveAs = false;
+ d->m_originalURL = KURL();
+ d->m_originalFilePath = TQString::null;
+ if (d->m_waitForSave)
+ {
+ tqApp->exit_loop();
+ }
+}
+
+// Trolls: Nothing to see here, please step away.
+void tqt_enter_modal( TQWidget *widget );
+void tqt_leave_modal( TQWidget *widget );
+
+bool ReadWritePart::waitSaveComplete()
+{
+ if (!d->m_uploadJob)
+ return d->m_saveOk;
+
+ d->m_waitForSave = true;
+
+ TQWidget dummy(0,0,(WFlags)(WType_Dialog | WShowModal));
+ dummy.setFocusPolicy( TQ_NoFocus );
+ tqt_enter_modal(&dummy);
+ tqApp->enter_loop();
+ tqt_leave_modal(&dummy);
+
+ d->m_waitForSave = false;
+
+ return d->m_saveOk;
+}
+
+#include "part.moc"
+
+// vim:sw=2:ts=8:et