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tdebase/kate/app/katemwmodonhddialog.cpp

282 lines
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/*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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.
---
Copyright (C) 2004, Anders Lund <anders@alweb.dk>
*/
#include "katemwmodonhddialog.h"
#include "katemwmodonhddialog.moc"
#include "katedocmanager.h"
#include <kate/document.h>
#include <kiconloader.h>
#include <klistview.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kprocio.h>
#include <krun.h>
#include <ktempfile.h>
#include <kpushbutton.h>
#include <tqlabel.h>
#include <tqlistview.h>
#include <tqlayout.h>
#include <tqpushbutton.h>
#include <tqwhatsthis.h>
#include <tqvbox.h>
class KateDocItem : public TQCheckListItem
{
public:
KateDocItem( Kate::Document *doc, const TQString &status, KListView *lv )
: TQCheckListItem( lv, doc->url().prettyURL(), CheckBox ),
document( doc )
{
setText( 1, status );
if ( ! doc->isModified() )
setOn( On );
}
~KateDocItem() {};
Kate::Document *document;
};
KateMwModOnHdDialog::KateMwModOnHdDialog( DocVector docs, TQWidget *parent, const char *name )
: KDialogBase( parent, name, true, i18n("Documents Modified on Disk"),
User1|User2|User3, User3, false,
KGuiItem (i18n("&Ignore"), "fileclose"),
KGuiItem (i18n("&Overwrite"), "filesave"),
KGuiItem (i18n("&Reload"), "reload") )
{
setButtonWhatsThis( User1, i18n(
"Removes the modified flag from the selected documents and closes the "
"dialog if there are no more unhandled documents.") );
setButtonWhatsThis( User2, i18n(
"Overwrite selected documents, discarding the disk changes and closes the "
"dialog if there are no more unhandled documents.") );
setButtonWhatsThis( User3, i18n(
"Reloads the selected documents from disk and closes the dialog if there "
"are no more unhandled documents.") );
TQVBox *w = makeVBoxMainWidget();
w->setSpacing( KDialog::spacingHint() );
TQHBox *lo1 = new TQHBox( w );
// dialog text
TQLabel *icon = new TQLabel( lo1 );
icon->setPixmap( DesktopIcon("messagebox_warning") );
TQLabel *t = new TQLabel( i18n(
"<qt>The documents listed below has changed on disk.<p>Select one "
"or more at the time and press an action button until the list is empty.</qt>"), lo1 );
lo1->setStretchFactor( t, 1000 );
// document list
lvDocuments = new KListView( w );
lvDocuments->addColumn( i18n("Filename") );
lvDocuments->addColumn( i18n("Status on Disk") );
lvDocuments->setSelectionMode( TQListView::Single );
TQStringList l;
l << "" << i18n("Modified") << i18n("Created") << i18n("Deleted");
for ( uint i=0; i < docs.size(); i++ )
new KateDocItem( docs[i], l[ (uint)KateDocManager::self()->documentInfo( docs[i] )->modifiedOnDiscReason ], lvDocuments );
connect( lvDocuments, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(slotSelectionChanged()) );
// diff button
TQHBox *lo2 = new TQHBox ( w );
TQWidget *d = new TQWidget (lo2);
lo2->setStretchFactor (d, 2);
btnDiff = new KPushButton( KGuiItem (i18n("&View Difference"), "edit"), lo2 );
TQWhatsThis::add( btnDiff, i18n(
"Calculates the difference between the the editor contents and the disk "
"file for the selected document, and shows the difference with the "
"default application. Requires diff(1).") );
connect( btnDiff, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotDiff()) );
slotSelectionChanged();
m_tmpfile = 0;
}
KateMwModOnHdDialog::~KateMwModOnHdDialog()
{
}
void KateMwModOnHdDialog::slotUser1()
{
handleSelected( Ignore );
}
void KateMwModOnHdDialog::slotUser2()
{
handleSelected( Overwrite );
}
void KateMwModOnHdDialog::slotUser3()
{
handleSelected( Reload );
}
void KateMwModOnHdDialog::handleSelected( int action )
{
// collect all items we can remove
TQValueList<TQListViewItem *> itemsToDelete;
for ( TQListViewItemIterator it ( lvDocuments ); it.current(); ++it )
{
KateDocItem *item = static_cast<KateDocItem *>(it.current());
if ( item->isOn() )
{
int reason = (int)KateDocManager::self()->documentInfo( item->document )->modifiedOnDiscReason;
bool succes = true;
Kate::DocumentExt *dext = documentExt( item->document );
if ( ! dext ) continue;
dext->setModifiedOnDisk( 0 );
switch ( action )
{
case Overwrite:
succes = item->document->save();
if ( ! succes )
{
KMessageBox::sorry( this,
i18n("Could not save the document \n'%1'").
arg( item->document->url().prettyURL() ) );
}
break;
case Reload:
item->document->reloadFile();
break;
default:
break;
}
if ( succes )
itemsToDelete.append (item);
else
dext->setModifiedOnDisk( reason );
}
}
// remove the marked items
for (unsigned int i=0; i < itemsToDelete.count(); ++i)
delete itemsToDelete[i];
// any documents left unhandled?
if ( ! lvDocuments->childCount() )
done( Ok );
}
void KateMwModOnHdDialog::slotSelectionChanged()
{
// set the diff button enabled
btnDiff->setEnabled( lvDocuments->currentItem() &&
KateDocManager::self()->documentInfo( ((KateDocItem*)lvDocuments->currentItem())->document )->modifiedOnDiscReason != 3 );
}
// ### the code below is slightly modified from tdelibs/kate/part/katedialogs,
// class KateModOnHdPrompt.
void KateMwModOnHdDialog::slotDiff()
{
if ( m_tmpfile ) // we are allready somewhere in this process.
return;
if ( ! lvDocuments->currentItem() )
return;
Kate::Document *doc = ((KateDocItem*)lvDocuments->currentItem())->document;
// don't try o diff a deleted file
if ( KateDocManager::self()->documentInfo( doc )->modifiedOnDiscReason == 3 )
return;
// Start a TDEProcess that creates a diff
KProcIO *p = new KProcIO();
p->setComm( TDEProcess::All );
*p << "diff" << "-u" << "-" << doc->url().path();
connect( p, TQT_SIGNAL(processExited(TDEProcess*)), this, TQT_SLOT(slotPDone(TDEProcess*)) );
connect( p, TQT_SIGNAL(readReady(KProcIO*)), this, TQT_SLOT(slotPRead(KProcIO*)) );
setCursor( WaitCursor );
p->start( TDEProcess::NotifyOnExit, true );
uint lastln = doc->numLines();
for ( uint l = 0; l < lastln; l++ )
p->writeStdin( doc->textLine( l ), l < lastln );
p->closeWhenDone();
}
void KateMwModOnHdDialog::slotPRead( KProcIO *p)
{
// create a file for the diff if we haven't one allready
if ( ! m_tmpfile )
m_tmpfile = new KTempFile();
// put all the data we have in it
TQString stmp;
bool dataRead = false;
while ( p->readln( stmp, false ) > -1 ) {
*m_tmpfile->textStream() << stmp << endl;
dataRead = true;
}
if (dataRead)
p->ackRead();
}
void KateMwModOnHdDialog::slotPDone( TDEProcess *p )
{
setCursor( ArrowCursor );
if( ! m_tmpfile )
{
// dominik: there were only whitespace changes, so that the diff returned by
// diff(1) has 0 bytes. So slotPRead() is never called, as there is
// no data, so that m_tmpfile was never created and thus is NULL.
// NOTE: would be nice, if we could produce a fake-diff, so that kompare
// tells us "The files are identical". Right now, we get an ugly
// "Could not parse diff output".
m_tmpfile = new KTempFile();
}
m_tmpfile->close();
if ( ! p->normalExit() /*|| p->exitStatus()*/ )
{
KMessageBox::sorry( this,
i18n("The diff command failed. Please make sure that "
"diff(1) is installed and in your PATH."),
i18n("Error Creating Diff") );
delete m_tmpfile;
m_tmpfile = 0;
return;
}
KRun::runURL( m_tmpfile->name(), "text/x-diff", true );
delete m_tmpfile;
m_tmpfile = 0;
}
// kate: space-indent on; indent-width 2; replace-tabs on;