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, 611 insertions, 0 deletions

diff --git a/kate/app/katedocmanager.cpp b/kate/app/katedocmanager.cpp
new file mode 100644
index 000000000..fe6491f78
--- /dev/null
+++ b/kate/app/katedocmanager.cpp
@@ -0,0 +1,611 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
+   Copyright (C) 2002 Joseph Wenninger <jowenn@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 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.
+*/
+
+#include "katedocmanager.h"
+#include "katedocmanager.moc"
+#include "kateapp.h"
+#include "katemainwindow.h"
+#include "kateviewmanager.h"
+#include "katedocmanageriface.h"
+#include "kateexternaltools.h"
+#include "kateviewspacecontainer.h"
+
+#include <kate/view.h>
+
+#include <ktexteditor/encodinginterface.h>
+
+#include <kparts/factory.h>
+
+#include <klocale.h>
+#include <kdebug.h>
+#include <kconfig.h>
+#include <klibloader.h>
+#include <kmdcodec.h>
+#include <kmessagebox.h>
+#include <kencodingfiledialog.h>
+#include <kio/job.h>
+#include <kwin.h>
+
+#include <qdatetime.h>
+#include <qtextcodec.h>
+#include <qprogressdialog.h>
+
+KateDocManager::KateDocManager (QObject *parent)
+ : QObject (parent)
+ , m_saveMetaInfos(true)
+ , m_daysMetaInfos(0)
+{
+  m_factory = (KParts::Factory *) KLibLoader::self()->factory ("libkatepart");
+
+  m_documentManager = new Kate::DocumentManager (this);
+  m_docList.setAutoDelete(true);
+  m_docDict.setAutoDelete(false);
+  m_docInfos.setAutoDelete(true);
+
+  m_dcop = new KateDocManagerDCOPIface (this);
+
+  m_metaInfos = new KConfig("metainfos", false, false, "appdata");
+
+  createDoc ();
+}
+
+KateDocManager::~KateDocManager ()
+{
+  // save config
+  if (!m_docList.isEmpty())
+    m_docList.at(0)->writeConfig(KateApp::self()->config());
+
+  if (m_saveMetaInfos)
+  {
+    // saving meta-infos when file is saved is not enough, we need to do it once more at the end
+    for (Kate::Document *doc = m_docList.first(); doc; doc = m_docList.next())
+      saveMetaInfos(doc);
+
+    // purge saved filesessions
+    if (m_daysMetaInfos > 0)
+    {
+      QStringList groups = m_metaInfos->groupList();
+      QDateTime *def = new QDateTime(QDate(1970, 1, 1));
+      for (QStringList::Iterator it = groups.begin(); it != groups.end(); ++it)
+      {
+        m_metaInfos->setGroup(*it);
+        QDateTime last = m_metaInfos->readDateTimeEntry("Time", def);
+        if (last.daysTo(QDateTime::currentDateTime()) > m_daysMetaInfos)
+          m_metaInfos->deleteGroup(*it);
+      }
+      delete def;
+    }
+  }
+
+  delete m_dcop;
+  delete m_metaInfos;
+}
+
+KateDocManager *KateDocManager::self ()
+{
+  return KateApp::self()->documentManager ();
+}
+
+Kate::Document *KateDocManager::createDoc ()
+{
+  KTextEditor::Document *doc = (KTextEditor::Document *) m_factory->createPart (0, "", this, "", "KTextEditor::Document");
+
+  m_docList.append((Kate::Document *)doc);
+  m_docDict.insert (doc->documentNumber(), (Kate::Document *)doc);
+  m_docInfos.insert (doc, new KateDocumentInfo ());
+
+  if (m_docList.count() < 2)
+    ((Kate::Document *)doc)->readConfig(KateApp::self()->config());
+
+  emit documentCreated ((Kate::Document *)doc);
+  emit m_documentManager->documentCreated ((Kate::Document *)doc);
+
+  connect(doc,SIGNAL(modifiedOnDisc(Kate::Document *, bool, unsigned char)),this,SLOT(slotModifiedOnDisc(Kate::Document *, bool, unsigned char)));
+  return (Kate::Document *)doc;
+}
+
+void KateDocManager::deleteDoc (Kate::Document *doc)
+{
+  uint id = doc->documentNumber();
+  uint activeId = 0;
+  if (m_currentDoc)
+    activeId = m_currentDoc->documentNumber ();
+
+  if (m_docList.count() < 2)
+    doc->writeConfig(KateApp::self()->config());
+
+  m_docInfos.remove (doc);
+  m_docDict.remove (id);
+  m_docList.remove (doc);
+
+  emit documentDeleted (id);
+  emit m_documentManager->documentDeleted (id);
+
+  // ohh, current doc was deleted
+  if (activeId == id)
+  {
+    // special case of documentChanged, no longer any doc here !
+    m_currentDoc = 0;
+
+    emit documentChanged ();
+    emit m_documentManager->documentChanged ();
+  }
+}
+
+Kate::Document *KateDocManager::document (uint n)
+{
+  return m_docList.at(n);
+}
+
+Kate::Document *KateDocManager::activeDocument ()
+{
+  return m_currentDoc;
+}
+
+void KateDocManager::setActiveDocument (Kate::Document *doc)
+{
+  if (!doc)
+    return;
+
+  if (m_currentDoc && (m_currentDoc->documentNumber() == doc->documentNumber()))
+    return;
+
+  m_currentDoc = doc;
+
+  emit documentChanged ();
+  emit m_documentManager->documentChanged ();
+}
+
+Kate::Document *KateDocManager::firstDocument ()
+{
+  return m_docList.first();
+}
+
+Kate::Document *KateDocManager::nextDocument ()
+{
+  return m_docList.next();
+}
+
+Kate::Document *KateDocManager::documentWithID (uint id)
+{
+  return m_docDict[id];
+}
+
+const KateDocumentInfo *KateDocManager::documentInfo (Kate::Document *doc)
+{
+  return m_docInfos[doc];
+}
+
+int KateDocManager::findDocument (Kate::Document *doc)
+{
+  return m_docList.find (doc);
+}
+
+uint KateDocManager::documents ()
+{
+  return m_docList.count ();
+}
+
+int KateDocManager::findDocument ( KURL url )
+{
+  QPtrListIterator<Kate::Document> it(m_docList);
+
+  for (; it.current(); ++it)
+  {
+    if ( it.current()->url() == url)
+      return it.current()->documentNumber();
+  }
+  return -1;
+}
+
+Kate::Document *KateDocManager::findDocumentByUrl( KURL url )
+{
+  for (QPtrListIterator<Kate::Document> it(m_docList); it.current(); ++it)
+  {
+    if ( it.current()->url() == url)
+      return it.current();
+  }
+
+  return 0L;
+}
+
+bool KateDocManager::isOpen(KURL url)
+{
+  // return just if we found some document with this url
+  return findDocumentByUrl (url) != 0;
+}
+
+Kate::Document *KateDocManager::openURL (const KURL& url,const QString &encoding, uint *id, bool isTempFile)
+{
+  // special handling if still only the first initial doc is there
+  if (!documentList().isEmpty() && (documentList().count() == 1) && (!documentList().at(0)->isModified() && documentList().at(0)->url().isEmpty()))
+  {
+    Kate::Document* doc = documentList().getFirst();
+
+    doc->setEncoding(encoding);
+
+    if (!loadMetaInfos(doc, url))
+      doc->openURL (url);
+
+    if (id)
+      *id=doc->documentNumber();
+
+    if ( isTempFile && !url.isEmpty() && url.isLocalFile() )
+    {
+      QFileInfo fi( url.path() );
+      if ( fi.exists() )
+      {
+        m_tempFiles[ doc->documentNumber() ] = qMakePair(url, fi.lastModified());
+        kdDebug(13001)<<"temporary file will be deleted after use unless modified: "<<url.prettyURL()<<endl;
+      }
+    }
+
+    connect(doc, SIGNAL(modStateChanged(Kate::Document *)), this, SLOT(slotModChanged(Kate::Document *)));
+
+    emit initialDocumentReplaced();
+
+    return doc;
+  }
+
+  Kate::Document *doc = findDocumentByUrl (url);
+  if ( !doc )
+  {
+    doc = (Kate::Document *)createDoc ();
+
+    doc->setEncoding(encoding.isNull() ? Kate::Document::defaultEncoding() : encoding);
+
+    if (!loadMetaInfos(doc, url))
+      doc->openURL (url);
+  }
+
+  if (id)
+    *id=doc->documentNumber();
+
+  if ( isTempFile && !url.isEmpty() && url.isLocalFile() )
+  {
+    QFileInfo fi( url.path() );
+    if ( fi.exists() )
+    {
+      m_tempFiles[ doc->documentNumber() ] = qMakePair(url, fi.lastModified());
+      kdDebug(13001)<<"temporary file will be deleted after use unless modified: "<<url.prettyURL()<<endl;
+    }
+  }
+
+  return doc;
+}
+
+bool KateDocManager::closeDocument(class Kate::Document *doc,bool closeURL)
+{
+  if (!doc) return false;
+
+  saveMetaInfos(doc);
+  if (closeURL)
+  if (!doc->closeURL()) return false;
+
+  QPtrList<Kate::View> closeList;
+  uint documentNumber = doc->documentNumber();
+
+  for (uint i=0; i < KateApp::self()->mainWindows (); i++ )
+  {
+    KateApp::self()->mainWindow(i)->viewManager()->closeViews(documentNumber);
+  }
+
+  if ( closeURL && m_tempFiles.contains( documentNumber ) )
+  {
+    QFileInfo fi( m_tempFiles[ documentNumber ].first.path() );
+    if ( fi.lastModified() <= m_tempFiles[ documentNumber ].second /*||
+         KMessageBox::questionYesNo( KateApp::self()->activeMainWindow(),
+            i18n("The supposedly temporary file %1 has been modified. "
+                "Do you want to delete it anyway?").arg(m_tempFiles[ documentNumber ].first.prettyURL()),
+            i18n("Delete File?") ) == KMessageBox::Yes*/ )
+    {
+      KIO::del( m_tempFiles[ documentNumber ].first, false, false );
+      kdDebug(13001)<<"Deleted temporary file "<<m_tempFiles[ documentNumber ].first<<endl;
+      m_tempFiles.remove( documentNumber );
+    }
+    else
+      kdWarning(13001)<<"The supposedly temporary file "<<m_tempFiles[ documentNumber ].first.prettyURL()<<" have been modified since loaded, and has not been deleted."<<endl;
+  }
+
+  deleteDoc (doc);
+
+  // never ever empty the whole document list
+  if (m_docList.isEmpty())
+    createDoc ();
+
+  return true;
+}
+
+bool KateDocManager::closeDocument(uint n)
+{
+  return closeDocument(document(n));
+}
+
+bool KateDocManager::closeDocumentWithID(uint id)
+{
+  return closeDocument(documentWithID(id));
+}
+
+bool KateDocManager::closeAllDocuments(bool closeURL)
+{
+  bool res = true;
+
+  QPtrList<Kate::Document> docs = m_docList;
+
+  for (uint i=0; i < KateApp::self()->mainWindows (); i++ )
+  {
+    KateApp::self()->mainWindow(i)->viewManager()->setViewActivationBlocked(true);
+  }
+
+  while (!docs.isEmpty() && res)
+    if (! closeDocument(docs.at(0),closeURL) )
+      res = false;
+    else
+      docs.remove ((uint)0);
+
+  for (uint i=0; i < KateApp::self()->mainWindows (); i++ )
+  {
+    KateApp::self()->mainWindow(i)->viewManager()->setViewActivationBlocked(false);
+
+    for (uint s=0; s < KateApp::self()->mainWindow(i)->viewManager()->containers()->count(); s++)
+      KateApp::self()->mainWindow(i)->viewManager()->containers()->at(s)->activateView (m_docList.at(0)->documentNumber());
+  }
+
+  return res;
+}
+
+QPtrList<Kate::Document> KateDocManager::modifiedDocumentList() {
+  QPtrList<Kate::Document> modified;
+  for (QPtrListIterator<Kate::Document> it(m_docList); it.current(); ++it) {
+    Kate::Document *doc = it.current();
+    if (doc->isModified()) {
+      modified.append(doc);
+    }
+  }
+  return modified;
+}
+
+
+bool KateDocManager::queryCloseDocuments(KateMainWindow *w)
+{
+  uint docCount = m_docList.count();
+  for (QPtrListIterator<Kate::Document> it(m_docList); it.current(); ++it)
+  {
+    Kate::Document *doc = it.current();
+
+    if (doc->url().isEmpty() && doc->isModified())
+    {
+      int msgres=KMessageBox::warningYesNoCancel( w,
+                  i18n("<p>The document '%1' has been modified, but not saved."
+                       "<p>Do you want to save your changes or discard them?").arg( doc->docName() ),
+                    i18n("Close Document"), KStdGuiItem::save(), KStdGuiItem::discard() );
+
+      if (msgres==KMessageBox::Cancel)
+        return false;
+
+      if (msgres==KMessageBox::Yes)
+      {
+        KEncodingFileDialog::Result r=KEncodingFileDialog::getSaveURLAndEncoding(
+              KTextEditor::encodingInterface(doc)->encoding(),QString::null,QString::null,w,i18n("Save As"));
+
+        doc->setEncoding( r.encoding );
+
+        if (!r.URLs.isEmpty())
+        {
+          KURL tmp = r.URLs.first();
+
+          if ( !doc->saveAs( tmp ) )
+            return false;
+        }
+        else
+          return false;
+      }
+    }
+    else
+    {
+      if (!doc->queryClose())
+        return false;
+    }
+  }
+
+  // document count changed while queryClose, abort and notify user
+  if (m_docList.count() > docCount)
+  {
+    KMessageBox::information (w,
+                          i18n ("New file opened while trying to close Kate, closing aborted."),
+                          i18n ("Closing Aborted"));
+    return false;
+  }
+
+  return true;
+}
+
+
+void KateDocManager::saveAll()
+{
+  for (QPtrListIterator<Kate::Document> it(m_docList); it.current(); ++it)
+    if ( it.current()->isModified() && it.current()->views().count() )
+      ((Kate::View*)it.current()->views().first())->save();
+}
+
+void KateDocManager::saveDocumentList (KConfig* config)
+{
+  QString prevGrp=config->group();
+  config->setGroup ("Open Documents");
+  QString grp = config->group();
+
+  config->writeEntry ("Count", m_docList.count());
+
+  int i=0;
+  for ( Kate::Document *doc = m_docList.first(); doc; doc = m_docList.next() )
+  {
+    config->setGroup(QString("Document %1").arg(i));
+    doc->writeSessionConfig(config);
+    config->setGroup(grp);
+
+    i++;
+  }
+
+  config->setGroup(prevGrp);
+}
+
+void KateDocManager::restoreDocumentList (KConfig* config)
+{
+  QString prevGrp=config->group();
+  config->setGroup ("Open Documents");
+  QString grp = config->group();
+
+  unsigned int count = config->readUnsignedNumEntry("Count", 0);
+
+  if (count == 0)
+  {
+    config->setGroup(prevGrp);
+    return;
+  }
+
+  QProgressDialog *pd = new QProgressDialog(
+        i18n("Reopening files from the last session..."),
+        QString::null,
+        count,
+        0,
+        "openprog");
+  
+  KWin::setOnDesktop(pd->winId(), KWin::currentDesktop());
+  pd->setCaption (KateApp::self()->makeStdCaption(i18n("Starting Up")));
+
+  bool first = true;
+  for (unsigned int i=0; i < count; i++)
+  {
+    config->setGroup(QString("Document %1").arg(i));
+    Kate::Document *doc = 0;
+
+    if (first)
+    {
+      first = false;
+      doc = document (0);
+    }
+    else
+      doc = createDoc ();
+
+    doc->readSessionConfig(config);
+    config->setGroup (grp);
+
+    pd->setProgress(pd->progress()+1);
+    KateApp::self()->processEvents();
+  }
+
+  delete pd;
+
+  config->setGroup(prevGrp);
+}
+
+void KateDocManager::slotModifiedOnDisc (Kate::Document *doc, bool b, unsigned char reason)
+{
+  if (m_docInfos[doc])
+  {
+    m_docInfos[doc]->modifiedOnDisc = b;
+    m_docInfos[doc]->modifiedOnDiscReason = reason;
+  }
+}
+
+void KateDocManager::slotModChanged(Kate::Document *doc)
+{
+  saveMetaInfos(doc);
+}
+
+/**
+ * Load file and file' meta-informations iif the MD5 didn't change since last time.
+ */
+bool KateDocManager::loadMetaInfos(Kate::Document *doc, const KURL &url)
+{
+  if (!m_saveMetaInfos)
+    return false;
+
+  if (!m_metaInfos->hasGroup(url.prettyURL()))
+    return false;
+
+  QCString md5;
+  bool ok = true;
+
+  if (computeUrlMD5(url, md5))
+  {
+    m_metaInfos->setGroup(url.prettyURL());
+    QString old_md5 = m_metaInfos->readEntry("MD5");
+
+    if ((const char *)md5 == old_md5)
+      doc->readSessionConfig(m_metaInfos);
+    else
+    {
+      m_metaInfos->deleteGroup(url.prettyURL());
+      ok = false;
+    }
+
+    m_metaInfos->sync();
+  }
+
+  return ok && doc->url() == url;
+}
+
+/**
+ * Save file' meta-informations iif doc is in 'unmodified' state
+ */
+void KateDocManager::saveMetaInfos(Kate::Document *doc)
+{
+  QCString md5;
+
+  if (!m_saveMetaInfos)
+    return;
+
+  if (doc->isModified())
+  {
+//     kdDebug (13020) << "DOC MODIFIED: no meta data saved" << endl;
+    return;
+  }
+
+  if (computeUrlMD5(doc->url(), md5))
+  {
+    m_metaInfos->setGroup(doc->url().prettyURL());
+    doc->writeSessionConfig(m_metaInfos);
+    m_metaInfos->writeEntry("MD5", (const char *)md5);
+    m_metaInfos->writeEntry("Time", QDateTime::currentDateTime());
+    m_metaInfos->sync();
+  }
+}
+
+bool KateDocManager::computeUrlMD5(const KURL &url, QCString &result)
+{
+  QFile f(url.path());
+
+  if (f.open(IO_ReadOnly))
+  {
+    KMD5 md5;
+
+    if (!md5.update(f))
+      return false;
+
+    md5.hexDigest(result);
+    f.close();
+  }
+  else
+    return false;
+
+  return true;
+}
+
+// kate: space-indent on; indent-width 2; replace-tabs on;