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insertfileplugin.cpp

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2002 Anders Lund <anders@alweb.dk>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #include "insertfileplugin.h"
00020 #include "insertfileplugin.moc"
00021 
00022 #include <ktexteditor/document.h>
00023 #include <ktexteditor/viewcursorinterface.h>
00024 #include <ktexteditor/editinterface.h>
00025 
00026 #include <assert.h>
00027 #include <kio/job.h>
00028 #include <kaction.h>
00029 #include <kfiledialog.h>
00030 #include <kgenericfactory.h>
00031 #include <klocale.h>
00032 #include <kmessagebox.h>
00033 #include <kpushbutton.h>
00034 #include <ktempfile.h>
00035 #include <kurl.h>
00036 
00037 #include <qfile.h>
00038 #include <qtextstream.h>
00039 
00040 K_EXPORT_COMPONENT_FACTORY( ktexteditor_insertfile, KGenericFactory<InsertFilePlugin>( "ktexteditor_insertfile" ) )
00041 
00042 
00043 //BEGIN InsertFilePlugin
00044 InsertFilePlugin::InsertFilePlugin( QObject *parent, const char* name, const QStringList& )
00045     : KTextEditor::Plugin ( (KTextEditor::Document*) parent, name )
00046 {
00047 }
00048 
00049 InsertFilePlugin::~InsertFilePlugin()
00050 {
00051 }
00052 
00053 void InsertFilePlugin::addView(KTextEditor::View *view)
00054 {
00055   InsertFilePluginView *nview = new InsertFilePluginView (view, "Insert File Plugin");
00056   m_views.append (nview);
00057 }
00058 
00059 void InsertFilePlugin::removeView(KTextEditor::View *view)
00060 {
00061   for (uint z=0; z < m_views.count(); z++)
00062     if (m_views.at(z)->parentClient() == view)
00063     {
00064        InsertFilePluginView *nview = m_views.at(z);
00065        m_views.remove (nview);
00066        delete nview;
00067     }
00068 }
00069 //END InsertFilePlugin
00070 
00071 //BEGIN InsertFilePluginView
00072 InsertFilePluginView::InsertFilePluginView( KTextEditor::View *view, const char *name )
00073   : QObject( view, name ),
00074     KXMLGUIClient( view )
00075 {
00076   view->insertChildClient( this );
00077   setInstance( KGenericFactory<InsertFilePlugin>::instance() );
00078   _job = 0;
00079   (void) new KAction( i18n("Insert File..."), 0, this, SLOT(slotInsertFile()), actionCollection(), "tools_insert_file" );
00080   setXMLFile( "ktexteditor_insertfileui.rc" );
00081 }
00082 
00083 void InsertFilePluginView::slotInsertFile()
00084 {
00085   KFileDialog dlg("::insertfile", "", (QWidget*)parent(), "filedialog", true);
00086   dlg.setOperationMode( KFileDialog::Opening );
00087 
00088   dlg.setCaption(i18n("Choose File to Insert"));
00089   dlg.okButton()->setText(i18n("&Insert"));
00090   dlg.setMode( KFile::File );
00091   dlg.exec();
00092 
00093   _file = dlg.selectedURL().url();
00094   if ( _file.isEmpty() ) return;
00095 
00096   if ( _file.isLocalFile() ) {
00097     _tmpfile = _file.path();
00098     insertFile();
00099   }
00100   else {
00101     KTempFile tempFile( QString::null );
00102     _tmpfile = tempFile.name();
00103 
00104     KURL destURL;
00105     destURL.setPath( _tmpfile );
00106     _job = KIO::file_copy( _file, destURL, 0600, true, false, true );
00107     connect( _job, SIGNAL( result( KIO::Job * ) ), this, SLOT( slotFinished ( KIO::Job * ) ) );
00108   }
00109 }
00110 
00111 void InsertFilePluginView::slotFinished( KIO::Job *job )
00112 {
00113   assert( job == _job );
00114   _job = 0;
00115   if ( job->error() )
00116     KMessageBox::error( (QWidget*)parent(), i18n("Failed to load file:\n\n") + job->errorString(), i18n("Insert File Error") );
00117   else
00118     insertFile();
00119 }
00120 
00121 void InsertFilePluginView::insertFile()
00122 {
00123   QString error;
00124   if ( _tmpfile.isEmpty() )
00125     return;
00126 
00127   QFileInfo fi;
00128   fi.setFile( _tmpfile );
00129   if (!fi.exists() || !fi.isReadable())
00130     error = i18n("<p>The file <strong>%1</strong> does not exist or is not readable, aborting.").arg(_file.fileName());
00131 
00132   QFile f( _tmpfile );
00133   if ( !f.open(IO_ReadOnly) )
00134     error = i18n("<p>Unable to open file <strong>%1</strong>, aborting.").arg(_file.fileName());
00135 
00136   if ( ! error.isEmpty() ) {
00137     KMessageBox::sorry( (QWidget*)parent(), error, i18n("Insert File Error") );
00138     return;
00139   }
00140 
00141   // now grab file contents
00142   QTextStream stream(&f);
00143   QString str, tmp;
00144   uint numlines = 0;
00145   uint len = 0;
00146   while (!stream.eof()) {
00147     if ( numlines )
00148       str += "\n";
00149     tmp = stream.readLine();
00150     str += tmp;
00151     len = tmp.length();
00152     numlines++;
00153   }
00154   f.close();
00155 
00156   if ( str.isEmpty() )
00157     error = i18n("<p>File <strong>%1</strong> had no contents.").arg(_file.fileName());
00158   if ( ! error.isEmpty() ) {
00159     KMessageBox::sorry( (QWidget*)parent(), error, i18n("Insert File Error") );
00160     return;
00161   }
00162 
00163   // insert !!
00164   KTextEditor::EditInterface *ei;
00165   KTextEditor::ViewCursorInterface *ci;
00166   KTextEditor::View *v = (KTextEditor::View*)parent();
00167   ei = KTextEditor::editInterface( v->document() );
00168   ci = KTextEditor::viewCursorInterface( v );
00169   uint line, col;
00170   ci->cursorPositionReal( &line, &col );
00171   ei->insertText( line, col, str );
00172 
00173   // move the cursor
00174   ci->setCursorPositionReal( line + numlines - 1, numlines > 1 ? len : col + len  );
00175 
00176   // clean up
00177   _file = KURL ();
00178   _tmpfile.truncate( 0 );
00179   v = 0;
00180   ei = 0;
00181   ci = 0;
00182 }
00183 
00184 //END InsertFilePluginView
00185
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insertfileplugin.cpp

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