// Handle what happens when something is dropped onto a tag item
bool NNotebookView::dropMimeData(QTreeWidgetItem *parent, int index, const QMimeData *data, Qt::DropAction action) {
Q_UNUSED(index); // suppress unused variable
Q_UNUSED(action); // suppress unused variable
// If this is a note-to-tag drop we are assigning tags to a note
if (data->hasFormat("application/x-nixnote-note")) {
QByteArray d = data->data("application/x-nixnote-note");
QString data(d);
// Find the tag lid we dropped onto
qint32 bookLid = parent->data(NAME_POSITION, Qt::UserRole).toInt();
if (bookLid <=0)
return false;
NotebookTable bookTable(global.db);
Notebook notebook;
bookTable.get(notebook, bookLid);
// The string has a long list of note lids. We parse them out & update the note
QStringList stringLids = data.split(" ");
for (int i=0; i<stringLids.size(); i++) {
if (stringLids[i].trimmed() != "") {
qint32 noteLid = stringLids.at(i).toInt();
if (noteLid > 0) {
NoteTable noteTable(global.db);
qint32 currentNotebook = noteTable.getNotebookLid(noteLid);
if (currentNotebook != bookLid) {
noteTable.updateNotebook(noteLid, bookLid, true);
emit(updateNoteList(noteLid, NOTE_TABLE_NOTEBOOK_POSITION, notebook.name.value()));
qint64 dt = QDateTime::currentMSecsSinceEpoch();
noteTable.updateDate(noteLid, dt, NOTE_UPDATED_DATE, true);
emit(updateNoteList(noteLid, NOTE_TABLE_DATE_UPDATED_POSITION, dt));
}
}
}
}
if (stringLids.size() > 0) {
emit(updateCounts());
}
return true;
}
return false;
}
// Delete an item from the tree. We really just hide it.
void NTagView::mergeRequested() {
QList<QTreeWidgetItem*> items = selectedItems();
QMessageBox msgBox;
msgBox.setIcon(QMessageBox::Question);
msgBox.setText(tr("Are you sure you want to merge these tags?"));
msgBox.setWindowTitle(tr("Verify Merge"));
msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
msgBox.setDefaultButton(QMessageBox::No);
int ret = msgBox.exec();
if (ret == QMessageBox::No)
return;
qint32 lid = items[0]->data(NAME_POSITION, Qt::UserRole).toInt();
NoteTable ntable(global.db);
QList<qint32> notes;
for (int j=1; j<items.size(); j++) {
ntable.findNotesByTag(notes, items[j]->data(NAME_POSITION, Qt::UserRole).toInt());
for (int i=0; i<notes.size(); i++) {
if (!ntable.hasTag(notes[i], lid)) {
ntable.addTag(notes[i], lid, true);
QString tagString = ntable.getNoteListTags(notes[i]);
emit(updateNoteList(notes[i], NOTE_TABLE_TAGS_POSITION, tagString));
qint64 dt = QDateTime::currentMSecsSinceEpoch();
ntable.updateDate(notes[i], dt, NOTE_UPDATED_DATE, true);
emit(updateNoteList(notes[i], NOTE_TABLE_DATE_UPDATED_POSITION, dt));
}
}
}
// Now delete the old tags.
for (int i=1; i<items.size(); i++) {
qint32 lid = items[i]->data(NAME_POSITION, Qt::UserRole).toInt();
TagTable table(global.db);
table.deleteTag(lid);
// Now remove it in the datastore
NTagViewItem *ptr = dataStore.take(items[i]->data(NAME_POSITION, Qt::UserRole).toInt());
emit(tagDeleted(lid, ptr->data(NAME_POSITION, Qt::DisplayRole).toString()));
delete ptr;
}
}
// Add a new note to the database
qint32 NoteTable::add(qint32 l, Note &t, bool isDirty) {
QLOG_DEBUG() << "Adding note: " << QString::fromStdString(t.title);
ResourceTable resTable;
ConfigStore cs;
QSqlQuery query;
qint32 position;
TagScanner scanner;
qint32 lid = l;
qint32 notebookLid;
query.prepare("Insert into DataStore (lid, key, data) values (:lid, :key, :data)");
if (lid <= 0)
lid = cs.incrementLidCounter();
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_GUID);
query.bindValue(":data", QString::fromStdString(t.guid));
query.exec();
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_INDEX_NEEDED);
query.bindValue(":data", true);
query.exec();
if (t.__isset.title) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_TITLE);
query.bindValue(":data", QString::fromStdString(t.title.c_str()));
query.exec();
}
if (t.__isset.content) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_CONTENT);
QByteArray b;
b.append(QString::fromStdString(t.content).toAscii());
query.bindValue(":data", b);
query.exec();
}
if (t.__isset.contentHash) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_CONTENT_HASH);
query.bindValue(":data", QString::fromStdString(t.contentHash));
query.exec();
}
if (t.__isset.contentLength) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_CONTENT_LENGTH);
query.bindValue(":data", t.contentLength);
query.exec();
}
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_UPDATE_SEQUENCE_NUMBER);
query.bindValue(":data", t.updateSequenceNum);
query.exec();
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ISDIRTY);
query.bindValue(":data", isDirty);
query.exec();
if (t.__isset.created) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_CREATED_DATE);
query.bindValue(":data", QVariant::fromValue(t.created));
query.exec();
}
if (t.__isset.updated) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_UPDATED_DATE);
query.bindValue(":data", QVariant::fromValue(t.updated));
query.exec();
}
if (t.__isset.deleted) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_DELETED_DATE);
query.bindValue(":data", QVariant::fromValue(t.deleted));
query.exec();
}
if (t.__isset.active) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ACTIVE);
query.bindValue(":data", QVariant::fromValue(t.active));
query.exec();
}
if (t.__isset.notebookGuid) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_NOTEBOOK_LID);
NotebookTable notebookTable;
notebookLid = notebookTable.getLid(QString::fromStdString(t.notebookGuid));
// If not found, we insert one to avoid problems. We'll probably get the real data later
if (notebookLid == 0) {
notebookLid = cs.incrementLidCounter();
Notebook notebook;
notebook.guid = t.notebookGuid;
notebook.name = "";
notebook.__isset.guid = true;
notebook.__isset.name = true;
notebookTable.add(notebookLid, notebook, false, false);
}
query.bindValue(":data", notebookLid);
query.exec();
}
for (unsigned int i=0; t.__isset.tagGuids && i<t.tagGuids.size(); i++) {
TagTable tagTable;
qint32 tagLid = tagTable.getLid(t.tagGuids.at(i));
if (tagLid == 0) {
// create a dummy tag to avoid later problems
Tag newTag;
newTag.guid = t.tagGuids.at(i);
newTag.name = "";
newTag.__isset.guid = true;
newTag.__isset.name = true;
tagLid = cs.incrementLidCounter();
tagTable.add(tagLid, newTag, false, 0);
}
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_TAG_LID);
query.bindValue(":data", tagLid);
query.exec();
}
for (unsigned int i=0; t.__isset.resources && i<t.resources.size(); i++) {
qint32 resLid;
Resource *r;
r = &t.resources[i];
resLid = resTable.getLid(t.guid,t.resources[i].guid);
if (resLid == 0)
resLid = cs.incrementLidCounter();
resTable.add(resLid, t.resources[i], isDirty);
if (r->__isset.mime) {
QString mime = QString::fromStdString(r->mime);
if (!mime.startsWith("image/") && mime != "vnd.evernote.ink") {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_HAS_ATTACHMENT);
query.bindValue(":data", true);
query.exec();
}
}
}
if (t.__isset.attributes) {
if (t.attributes.__isset.subjectDate) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_SUBJECT_DATE);
query.bindValue(":data", QVariant::fromValue(t.attributes.subjectDate));
query.exec();
}
if (t.attributes.__isset.latitude) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_LATITUDE);
query.bindValue(":data", QVariant::fromValue(t.attributes.latitude));
query.exec();
}
if (t.attributes.__isset.latitude) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_LONGITUDE);
query.bindValue(":data", QVariant::fromValue(t.attributes.longitude));
query.exec();
}
if (t.attributes.__isset.altitude) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_ALTITUDE);
query.bindValue(":data", QVariant::fromValue(t.attributes.altitude));
query.exec();
}
if (t.attributes.__isset.author) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_AUTHOR);
query.bindValue(":data", QString::fromStdString(t.attributes.author));
query.exec();
}
if (t.attributes.__isset.source) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_SOURCE);
query.bindValue(":data", QString::fromStdString(t.attributes.source));
query.exec();
}
if (t.attributes.__isset.sourceURL) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_SOURCE_URL);
query.bindValue(":data", QString::fromStdString(t.attributes.sourceURL));
query.exec();
}
if (t.attributes.__isset.sourceApplication) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_SOURCE_APPLICATION);
query.bindValue(":data", QString::fromStdString(t.attributes.sourceApplication));
query.exec();
}
if (t.attributes.__isset.shareDate) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_SHARE_DATE);
query.bindValue(":data",QVariant::fromValue(t.attributes.shareDate));
query.exec();
}
if (t.attributes.__isset.placeName) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_PLACE_NAME);
query.bindValue(":data", QString::fromStdString(t.attributes.placeName));
query.exec();
}
if (t.attributes.__isset.contentClass) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_ATTRIBUTE_CONTENT_CLASS);
query.bindValue(":data", QString::fromStdString(t.attributes.contentClass));
query.exec();
}
}
// No determine some attributes of the note based upon the content
// This should probably happen every time a note changes? Or at least something simular:
QString content;
if (t.__isset.content)
content = QString::fromStdString(t.content);
else
content = "";
position = content.indexOf("<en-crypt");
if (position > 0) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_HAS_ENCRYPT);
query.bindValue(":data", true);
query.exec();
}
position = content.indexOf("<en-todo");
if (position > 0) {
position = content.indexOf("<en-todo checked=\"true\"");
if (position > 0) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_HAS_TODO_COMPLETED);
query.bindValue(":data", true);
query.exec();
}
position = qMax(content.indexOf("<en-todo checked=\"false\""), content.indexOf("<en-todo>"));
if (position > 0) {
query.bindValue(":lid", lid);
query.bindValue(":key", NOTE_HAS_TODO_UNCOMPLETED);
query.bindValue(":data", true);
query.exec();
}
}
updateNoteList(lid, t, isDirty);
return lid;
}
qint32 NoteTable::duplicateNote(qint32 oldLid) {
ConfigStore cs;
qint32 newLid = cs.incrementLidCounter();
QSqlQuery query;
QString tempTableName = "notecopy" + QString::number(oldLid);
query.exec("drop temporary table " +tempTableName);
query.prepare("create temporary table " +tempTableName +" as select * from datastore where lid=:oldLid");
query.bindValue(":oldLid", oldLid);
query.exec();
query.prepare("Update " +tempTableName +" set lid=:newLid");
query.bindValue(":newLid", newLid);
query.exec();
query.exec("insert into datastore select lid, key, data from " +tempTableName);
query.exec("drop " +tempTableName);
query.prepare("update datastore set data=:data where lid=:lid and key=:key");
query.bindValue(":data", 0);
query.bindValue(":lid", newLid);
query.bindValue(":key", NOTE_UPDATE_SEQUENCE_NUMBER);
query.exec();
Note n;
get(n, newLid, false,false);
updateNoteList(newLid, n, true);
setDirty(newLid, true);
// Update all the resources
ResourceTable resTable;
QList<qint32> lids;
resTable.getResourceList(lids, oldLid);
for (int i=0; i<lids.size(); i++) {
qint32 newResLid = cs.incrementLidCounter();
query.prepare("create temporary table " +tempTableName +" as select * from datastore where lid=:oldLid");
query.bindValue(":oldLid", lids[i]);
query.exec();
query.prepare("Update " +tempTableName +" set lid=:newLid");
query.bindValue(":newLid", newResLid);
query.exec();
query.exec("insert into datastore select lid, key, data from " +tempTableName);
query.exec("drop " +tempTableName);
query.prepare("update datastore set data=:data where lid=:lid and key=:key");
query.bindValue(":data", 0);
query.bindValue(":lid", newResLid);
query.bindValue(":key", RESOURCE_UPDATE_SEQUENCE_NUMBER);
query.exec();
query.prepare("update datastore set data=:data where lid=:lid and key=:key");
query.bindValue(":data", 0);
query.bindValue(":lid", newResLid);
query.bindValue(":key", RESOURCE_NOTE_LID);
query.exec();
QStringList filter;
QDir resDir(global.fileManager.getDbaDirPath());
filter << QString::number(lids[i])+".*";
QStringList files = resDir.entryList(filter);
for (int j=0; j<files.size(); j++) {
QFile file(global.fileManager.getDbaDirPath()+files[j]);
int pos = files[j].indexOf(".");
QString type = files[j].mid(pos);
file.open(QIODevice::ReadOnly);
file.copy(global.fileManager.getDbaDirPath()+
QString::number(newResLid) +type);
file.close();
}
}
return newLid;
}
// Handle what happens when something is dropped onto a tag item
bool NTagView::dropMimeData(QTreeWidgetItem *parent, int index, const QMimeData *data, Qt::DropAction action) {
// If this is a note-to-tag drop we are assigning tags to a note
if (data->hasFormat("application/x-nixnote-note")) {
QByteArray d = data->data("application/x-nixnote-note");
QString data(d);
// Find the tag lid we dropped onto
qint32 tagLid = parent->data(NAME_POSITION, Qt::UserRole).toInt();
// The string has a long list of note lids. We parse them out & update the note
QStringList stringLids = data.split(" ");
for (int i=0; i<stringLids.size(); i++) {
if (stringLids[i].trimmed() != "") {
qint32 noteLid = stringLids.at(i).toInt();
if (noteLid > 0) {
NoteTable noteTable(global.db);
if (!noteTable.hasTag(noteLid, tagLid)) {
noteTable.addTag(noteLid, tagLid, true);
QString tagString = noteTable.getNoteListTags(noteLid);
emit(updateNoteList(noteLid, NOTE_TABLE_TAGS_POSITION, tagString));
// qint64 dt = QDateTime::currentMSecsSinceEpoch();
// noteTable.updateDate(noteLid, dt, NOTE_UPDATED_DATE, true);
// emit(updateNoteList(noteLid, NOTE_TABLE_DATE_UPDATED_POSITION, dt));
}
}
}
}
if (stringLids.size() > 0)
emit updateCounts();
return true;
}
// If this is a tag-to-tag drop then we are modifying the hierarchy
if (data->hasFormat("application/x-nixnote-tag")) {
// If there is no parent, then they are trying to drop to the top level, which isn't permitted
if (parent == NULL)
return false;
// Get the lid we are dropping.
QByteArray d = data->data("application/x-nixnote-tag");
qint32 lid = d.toInt();
if (lid == 0)
return false;
qint32 newParentLid = parent->data(NAME_POSITION, Qt::UserRole).toInt();
qint32 oldParentLid = dataStore[lid]->parentLid;
if (newParentLid == oldParentLid)
return false;
if (newParentLid == lid)
return false;
NTagViewItem *item = dataStore[lid];
// If we had an old parent, remove the child from it.
if (oldParentLid > 0) {
NTagViewItem *parent_ptr = dataStore[oldParentLid];
for (int i=0; i<parent_ptr->childrenLids.size(); i++) {
if (parent_ptr->childrenLids[i] == lid) {
parent_ptr->childrenLids.removeAt(i);
i=parent_ptr->childrenLids.size();
}
}
parent_ptr->removeChild(item);
} else {
root->removeChild(item);
}
// Update the actual database
Tag tag;
TagTable tagTable(global.db);
tagTable.get(tag, lid);
QString guid;
tagTable.getGuid(guid, newParentLid);
tag.parentGuid = guid;
tagTable.update(tag, true);
if (newParentLid>0) {
NTagViewItem *parent_ptr = dataStore[newParentLid];
parent_ptr->addChild(item);
parent_ptr->childrenLids.append(lid);
item->parentLid = newParentLid;
item->parentGuid = tag.guid;
} else {
item->parentLid = 0;
item->parentGuid = "";
root->addChild(item);
}
// Resort the data
this->sortByColumn(NAME_POSITION, Qt::AscendingOrder);
sortItems(NAME_POSITION, Qt::AscendingOrder);
return QTreeWidget::dropMimeData(parent, index, data, action);
}
return false;
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
// open database connection
db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName("/Users/jdoud/dev/brainstorm.sqlite");
if(!db.open())
{
qDebug() << db.lastError();
qFatal("Failed to connect.");
}
// setup UI
ui->setupUi(this);
ui->toolBar->addWidget(ui->comboFonts);
ui->toolBar->addWidget(ui->comboFontSizes);
ui->toolBar->addWidget(ui->comboColors);
// set text editor defaults
ui->textNote->document()->setIndentWidth(20);
ui->textNote->setTabStopWidth(20);
ui->textNote->setTabChangesFocus(false);
ui->actionIncrease_Indent->setShortcut(Qt::Key_Tab);
ui->actionDecrease_Indent->setShortcut(Qt::Key_Backtab);
// setup comboColors
QPixmap pix(16, 16);
pix.fill(Qt::white);
ui->comboColors->addItem(pix, "");
pix.fill(Qt::black);
ui->comboColors->addItem(pix, "");
pix.fill(Qt::red);
ui->comboColors->addItem(pix, "");
pix.fill(Qt::blue);
ui->comboColors->addItem(pix, "");
pix.fill(Qt::darkGreen);
ui->comboColors->addItem(pix, "");
pix.fill(Qt::gray);
ui->comboColors->addItem(pix, "");
// create system tray icon
createActions();
createTrayIcon();
// create models
categoriesModel = new QSqlTableModel();
categoriesModel->setTable("categories");
categoriesModel->setSort(1, Qt::AscendingOrder);
categoriesModel->select();
ui->listCategories->setModel(categoriesModel);
ui->listCategories->setModelColumn(1);
notesModel = new QSqlTableModel();
notesModel->setTable("notes");
ui->listNotes->setModel(notesModel);
ui->listNotes->setModelColumn(2);
// set splitter size
QList<int> sizes;
sizes << 230 << 150;
ui->splitterLists->setSizes(sizes);
sizes.clear();
sizes << 230 << 600;
ui->splitterNote->setSizes(sizes);
// connect File menu slots
connect(ui->actionNew_Category, SIGNAL(triggered()), this, SLOT(newCategory()));
connect(ui->actionRename_Category, SIGNAL(triggered()), this, SLOT(renameCategory()));
connect(ui->actionDelete_Category, SIGNAL(triggered()), this, SLOT(deleteCategory()));
connect(ui->actionNew_Note, SIGNAL(triggered()), this, SLOT(newNote()));
connect(ui->actionRename_Note, SIGNAL(triggered()), this, SLOT(renameNote()));
connect(ui->actionSave_Note, SIGNAL(triggered()), this, SLOT(saveNote()));
connect(ui->actionDelete_Note, SIGNAL(triggered()), this, SLOT(deleteNote()));
connect(ui->actionQuit, SIGNAL(triggered()), this, SLOT(quit()));
// connect Edit menu slots
connect(ui->actionFind_Replace, SIGNAL(triggered()), this, SLOT(findAndReplace()));
// connect Format menu slots
connect(ui->actionBold, SIGNAL(triggered()), this, SLOT(bold()));
connect(ui->actionItalic, SIGNAL(triggered()), this, SLOT(italic()));
connect(ui->actionUnderline, SIGNAL(triggered()), this, SLOT(underline()));
connect(ui->actionStrikethrough, SIGNAL(triggered()), this, SLOT(strikethrough()));
connect(ui->actionBullet_List, SIGNAL(triggered()), this, SLOT(bulletList()));
connect(ui->actionNumber_List, SIGNAL(triggered()), this, SLOT(numberList()));
connect(ui->actionIncrease_Indent, SIGNAL(triggered()), this, SLOT(increaseIndent()));
connect(ui->actionDecrease_Indent, SIGNAL(triggered()), this, SLOT(decreaseIndent()));
connect(ui->actionShow_Colors, SIGNAL(triggered()), this, SLOT(showColors()));
connect(ui->actionShow_Fonts, SIGNAL(triggered()), this, SLOT(showFonts()));
connect(ui->actionIncrease_Font, SIGNAL(triggered()), this, SLOT(increaseFont()));
connect(ui->actionDecrease_Font, SIGNAL(triggered()), this, SLOT(decreaseFont()));
connect(ui->actionReset_Font, SIGNAL(triggered()), this, SLOT(resetFont()));
connect(ui->actionAlign_Left, SIGNAL(triggered()), this, SLOT(alignLeft()));
connect(ui->actionAlign_Center, SIGNAL(triggered()), this, SLOT(alignCenter()));
connect(ui->actionAlign_Right, SIGNAL(triggered()), this, SLOT(alignRight()));
connect(ui->actionAlign_Justify, SIGNAL(triggered()), this, SLOT(alignJustify()));
// connect View menu slots
connect(ui->actionHide_Window, SIGNAL(triggered()), this, SLOT(hide()));
connect(ui->actionPrevious_Category, SIGNAL(triggered()), this, SLOT(previousCategory()));
connect(ui->actionNext_Category, SIGNAL(triggered()), this, SLOT(nextCategory()));
connect(ui->actionPrevious_Note, SIGNAL(triggered()), this, SLOT(previousNote()));
connect(ui->actionNext_Note, SIGNAL(triggered()), this, SLOT(nextNote()));
// connect Help menu slots
connect(ui->actionAbout_Brainstorm, SIGNAL(triggered()), this, SLOT(aboutBrainstorm()));
connect(ui->actionAbout_Qt, SIGNAL(triggered()), this, SLOT(aboutQt()));
// connect application slots
connect(ui->textNote, SIGNAL(cursorPositionChanged()), this, SLOT(updateMenus()));
connect(ui->textNote, SIGNAL(currentCharFormatChanged(QTextCharFormat)), this, SLOT(updateMenus()));
connect(ui->comboFonts, SIGNAL(activated(QString)), this, SLOT(setFont(QString)));
connect(ui->comboFontSizes, SIGNAL(activated(QString)), this, SLOT(setFontSize(QString)));
connect(ui->comboColors, SIGNAL(activated(int)), this, SLOT(setFontColor(int)));
// connect category list slots
connect(ui->listCategories->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)), this, SLOT(updateNoteList(QModelIndex)));
// connect note list slots
connect(ui->listNotes->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)), this, SLOT(updateNoteText(QModelIndex)));
// connect text slots
ui->textNote->installEventFilter((this));
// connect system tray icon
connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(iconActivated(QSystemTrayIcon::ActivationReason)));
// initialize default data
ui->listCategories->selectionModel()->setCurrentIndex(categoriesModel->index(0, 1), QItemSelectionModel::SelectCurrent);
}
