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/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 281 insertions, 0 deletions

diff --git a/kate/app/katemwmodonhddialog.cpp b/kate/app/katemwmodonhddialog.cpp
new file mode 100644
index 000000000..efbee3cb5
--- /dev/null
+++ b/kate/app/katemwmodonhddialog.cpp
@@ -0,0 +1,281 @@
+/*
+    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 <[email protected]>
+*/
+
+#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 <qlabel.h>
+#include <qlistview.h>
+#include <qlayout.h>
+#include <qpushbutton.h>
+#include <qwhatsthis.h>
+#include <qvbox.h>
+
+class KateDocItem : public QCheckListItem
+{
+  public:
+    KateDocItem( Kate::Document *doc, const QString &status, KListView *lv )
+  : QCheckListItem( lv, doc->url().prettyURL(), CheckBox ),
+        document( doc )
+    {
+      setText( 1, status );
+      if ( ! doc->isModified() )
+        setOn( On );
+    }
+    ~KateDocItem() {};
+
+    Kate::Document *document;
+};
+
+
+KateMwModOnHdDialog::KateMwModOnHdDialog( DocVector docs, QWidget *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.") );
+
+  QVBox *w = makeVBoxMainWidget();
+  w->setSpacing( KDialog::spacingHint() );
+
+  QHBox *lo1 = new QHBox( w );
+
+  // dialog text
+  QLabel *icon = new QLabel( lo1 );
+  icon->setPixmap( DesktopIcon("messagebox_warning") );
+
+  QLabel *t = new QLabel( 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( QListView::Single );
+
+  QStringList 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, SIGNAL(selectionChanged()), this, SLOT(slotSelectionChanged()) );
+
+  // diff button
+  QHBox *lo2 = new QHBox ( w );
+  QWidget *d = new QWidget (lo2);
+  lo2->setStretchFactor (d, 2);
+  btnDiff = new KPushButton( KGuiItem (i18n("&View Difference"), "edit"), lo2 );
+
+  QWhatsThis::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, SIGNAL(clicked()), this, 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
+  QValueList<QListViewItem *> itemsToDelete;
+  for ( QListViewItemIterator 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 kdelibs/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 KProcess that creates a diff
+  KProcIO *p = new KProcIO();
+  p->setComm( KProcess::All );
+  *p << "diff" << "-u" << "-" <<  doc->url().path();
+  connect( p, SIGNAL(processExited(KProcess*)), this, SLOT(slotPDone(KProcess*)) );
+  connect( p, SIGNAL(readReady(KProcIO*)), this, SLOT(slotPRead(KProcIO*)) );
+
+  setCursor( WaitCursor );
+
+  p->start( KProcess::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
+  QString stmp;
+  bool dataRead = false;
+  while ( p->readln( stmp, false ) > -1 ) {
+    *m_tmpfile->textStream() << stmp << endl;
+    dataRead = true;
+  }
+
+  if (dataRead)
+    p->ackRead();
+}
+
+void KateMwModOnHdDialog::slotPDone( KProcess *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;