Added KDE3 version of Tellico

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/tellico@1097620 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 107 insertions, 0 deletions

diff --git a/src/entrymerger.cpp b/src/entrymerger.cpp
new file mode 100644
index 0000000..4767026
--- /dev/null
+++ b/src/entrymerger.cpp
@@ -0,0 +1,107 @@
+/***************************************************************************
+    copyright            : (C) 2007 by Robby Stephenson
+    email                : robby@periapsis.org
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of version 2 of the GNU General Public License as  *
+ *   published by the Free Software Foundation;                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "entrymerger.h"
+#include "entry.h"
+#include "collection.h"
+#include "tellico_kernel.h"
+#include "controller.h"
+#include "progressmanager.h"
+#include "statusbar.h"
+#include "tellico_debug.h"
+
+#include <klocale.h>
+
+#include <qtimer.h>
+
+using Tellico::EntryMerger;
+
+EntryMerger::EntryMerger(Data::EntryVec entries_, QObject* parent_)
+    : QObject(parent_), m_entriesToCheck(entries_), m_origCount(entries_.count()), m_cancelled(false) {
+
+  m_entriesLeft = m_entriesToCheck;
+  Kernel::self()->beginCommandGroup(i18n("Merge Entries"));
+
+  QString label = i18n("Merging entries...");
+  ProgressItem& item = ProgressManager::self()->newProgressItem(this, label, true /*canCancel*/);
+  item.setTotalSteps(m_origCount);
+  connect(&item, SIGNAL(signalCancelled(ProgressItem*)), SLOT(slotCancel()));
+
+  // done if no entries to merge
+  if(m_origCount < 2) {
+    QTimer::singleShot(500, this, SLOT(slotCleanup()));
+  } else {
+    slotStartNext(); // starts fetching
+  }
+}
+
+void EntryMerger::slotStartNext() {
+  QString statusMsg = i18n("Total merged/scanned entries: %1/%2")
+                      .arg(m_entriesToRemove.count())
+                      .arg(m_origCount - m_entriesToCheck.count());
+  StatusBar::self()->setStatus(statusMsg);
+  ProgressManager::self()->setProgress(this, m_origCount - m_entriesToCheck.count());
+
+  Data::EntryPtr baseEntry = m_entriesToCheck.front();
+  Data::EntryVec::Iterator it = m_entriesToCheck.begin();
+  ++it; // skip checking against first
+  for( ; it != m_entriesToCheck.end(); ++it) {
+    bool match = cleanMerge(baseEntry, &*it);
+    if(!match) {
+      int score = baseEntry->collection()->sameEntry(baseEntry, &*it);
+      match = score >= Data::Collection::ENTRY_PERFECT_MATCH;
+    }
+    if(match) {
+      bool merge_ok = baseEntry->collection()->mergeEntry(baseEntry, &*it, false /*overwrite*/, true /*askUser*/);
+      if(merge_ok) {
+        m_entriesToRemove.append(it);
+        m_entriesLeft.remove(it);
+      }
+    }
+  }
+  m_entriesToCheck.remove(baseEntry);
+
+  if(m_cancelled || m_entriesToCheck.count() < 2) {
+    QTimer::singleShot(0, this, SLOT(slotCleanup()));
+  } else {
+    QTimer::singleShot(0, this, SLOT(slotStartNext()));
+  }
+}
+
+void EntryMerger::slotCancel() {
+  m_cancelled = true;
+}
+
+void EntryMerger::slotCleanup() {
+  Kernel::self()->removeEntries(m_entriesToRemove);
+  Controller::self()->slotUpdateSelection(0, m_entriesLeft);
+  StatusBar::self()->clearStatus();
+  ProgressManager::self()->setDone(this);
+  Kernel::self()->endCommandGroup();
+  deleteLater();
+}
+
+bool EntryMerger::cleanMerge(Data::EntryPtr e1, Data::EntryPtr e2) const {
+  // figure out if there's a clean merge possible
+  Data::FieldVec fields = e1->collection()->fields();
+  for(Data::FieldVecIt it = fields.begin(); it != fields.end(); ++it) {
+    QString val1 = e1->field(it);
+    QString val2 = e2->field(it);
+    if(val1 != val2 && !val1.isEmpty() && !val2.isEmpty()) {
+      return false;
+    }
+  }
+  return true;
+}
+
+#include "entrymerger.moc"