1 files changed, 103 insertions, 0 deletions
diff --git a/src/frontend/btmoduleindexdialog.cpp b/src/frontend/btmoduleindexdialog.cpp
new file mode 100644
index 0000000..0fa879e
--- /dev/null
+++ b/src/frontend/btmoduleindexdialog.cpp
@@ -0,0 +1,103 @@
+/*********
+*
+* This file is part of BibleTime's source code, http://www.bibletime.info/.
+*
+* Copyright 1999-2011 by the BibleTime developers.
+* The BibleTime source code is licensed under the GNU General Public License version 2.0.
+*
+**********/
+
+#include "frontend/btmoduleindexdialog.h"
+
+#include <QApplication>
+#include <QMutexLocker>
+#include "backend/managers/cswordbackend.h"
+
+
+QMutex BtModuleIndexDialog::m_singleInstanceMutex;
+
+bool BtModuleIndexDialog::indexAllModules(
+        const QList<const CSwordModuleInfo*> &modules)
+{
+    QMutexLocker lock(&m_singleInstanceMutex);
+
+    if (modules.empty()) return true;
+
+    BtModuleIndexDialog d(modules.size());
+    d.show();
+    d.raise();
+    return d.indexAllModules2(modules);
+}
+
+BtModuleIndexDialog::BtModuleIndexDialog(int numModules)
+    : QProgressDialog(tr("Preparing to index modules..."), tr("Cancel"), 0,
+                      numModules * 100, 0),
+      m_currentModuleIndex(0)
+{
+    setWindowTitle(tr("Creating indices"));
+    setModal(true);
+}
+
+bool BtModuleIndexDialog::indexAllModules2(
+        const QList<const CSwordModuleInfo*> &modules)
+{
+    bool success = true;
+
+    QList<CSwordModuleInfo *> indexedModules;
+    Q_FOREACH(const CSwordModuleInfo *cm, modules) {
+        Q_ASSERT(!cm->hasIndex());
+
+        /// \warning const_cast
+        CSwordModuleInfo *m = const_cast<CSwordModuleInfo*>(cm);
+
+        /*
+          Keep track of created indices to delete them on failure or
+          cancellation:
+        */
+        indexedModules.append(m);
+
+        connect(this, SIGNAL(canceled()),
+                m,    SLOT(cancelIndexing()));
+        connect(m,    SIGNAL(indexingFinished()),
+                this, SLOT(slotFinished()));
+        connect(m,    SIGNAL(indexingProgress(int)),
+                this, SLOT(slotModuleProgress(int)));
+
+        // Single module indexing blocks until finished:
+        setLabelText(tr("Creating index for work: %1").arg(m->name()));
+        m->buildIndex();
+        m_currentModuleIndex++;
+
+        disconnect(this, SIGNAL(canceled()),
+                   m,    SLOT(cancelIndexing()));
+        disconnect(m,    SIGNAL(indexingFinished()),
+                   this, SLOT(slotFinished()));
+        disconnect(m,    SIGNAL(indexingProgress(int)),
+                   this, SLOT(slotModuleProgress(int)));
+
+        if (wasCanceled()) {
+            success = false;
+            break;
+        }
+    }
+
+    if (!success) {
+        // Delete already created indices:
+        Q_FOREACH(CSwordModuleInfo *m, indexedModules) {
+            if (m->hasIndex()) {
+                m->deleteIndex();
+            }
+        }
+    }
+    return success;
+}
+
+void BtModuleIndexDialog::slotModuleProgress(int percentage) {
+    setValue(m_currentModuleIndex * 100 + percentage);
+    qApp->processEvents();
+}
+
+void BtModuleIndexDialog::slotFinished() {
+    setValue(m_currentModuleIndex * 100 + 100);
+    qApp->processEvents();
+}