// Delete an item from the tree. We really just hide it.
void NTagView::deleteRequested() {
QList<QTreeWidgetItem*> items = selectedItems();
if (global.confirmDeletes()) {
QMessageBox msgBox;
msgBox.setIcon(QMessageBox::Question);
if (items.size() == 1)
msgBox.setText(tr("Are you sure you want to delete this tag?"));
else
msgBox.setText(tr("Are you sure you want to delete all selected tags?"));
msgBox.setWindowTitle(tr("Verify Delete"));
msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
msgBox.setDefaultButton(QMessageBox::No);
int ret = msgBox.exec();
if (ret == QMessageBox::No)
return;
}
for (int i=0; i<items.size(); i++) {
// Delete from the DB
qint32 lid = items[i]->data(NAME_POSITION, Qt::UserRole).toInt();
TagTable table(global.db);
table.deleteTag(lid);
// Now remove selected tags
NTagViewItem *ptr = dataStore.take(items[i]->data(NAME_POSITION, Qt::UserRole).toInt());
QList<QTreeWidgetItem*> children = ptr->takeChildren();
ptr->parent()->addChildren(children);
ptr->parent()->removeChild(ptr);
emit(tagDeleted(lid, ptr->data(NAME_POSITION, Qt::DisplayRole).toString()));
delete ptr;
}
}
// If a tag has a zero count and if we should hide the tags, hide it.
// Make sure the tag's parents are also visible if the child has a non-zero
// count.
void NTagView::hideUnassignedTags() {
NTagViewItem *item;
if (hideUnassignedAction->isChecked())
hideUnassigned = true;
else
hideUnassigned = false;
// Save this option
global.settings->beginGroup("SaveState");
global.settings->setValue("hideUnassigned", hideUnassigned);
global.settings->endGroup();
QList<qint32> keys = dataStore.keys();
// Unhide everything if they don't want items hidden.
if (hideUnassigned != true) {
for (int i=0; i<keys.size(); i++) {
item = dataStore[keys[i]];
if (item != NULL) {
if (item->account == accountFilter)
item->setHidden(false);
else
item->setHidden(true);
}
}
resetSize();
return;
}
// Start hiding unassigned tags
for (int i=0; i<keys.size(); i++) {
item = dataStore[keys[i]];
if (item != NULL) {
if (item->subTotal == 0 || item->account != accountFilter)
item->setHidden(true);
else
item->setHidden(false);
}
}
for (int i=0; i<keys.size(); i++) {
item = dataStore[keys[i]];
if (item != NULL && !item->isHidden()) {
while(item->parentLid > 0) {
item->parent()->setHidden(false);
item = (NTagViewItem*)item->parent();
}
}
}
resetSize();
}
// Rebuild the GUI tree.
void NTagView::rebuildTree() {
if (!this->rebuildTagTreeNeeded)
return;
QHashIterator<qint32, NTagViewItem *> i(dataStore);
TagTable tagTable(global.db);
while (i.hasNext()) {
i.next();
NTagViewItem *widget = i.value();
if (widget != NULL && widget->parentGuid != "") {
if (widget->parentLid == 0) {
widget->parentLid = tagTable.getLid(widget->parentGuid);
}
NTagViewItem *parent = dataStore[widget->parentLid];
widget->parent()->removeChild(widget);
if (parent != NULL) {
parent->childrenLids.append(i.key());
parent->addChild(widget);
}
}
}
this->sortByColumn(NAME_POSITION, Qt::AscendingOrder);
this->rebuildTagTreeNeeded = false;
this->resetSize();
}
// A tag is purged.
void NTagView::tagExpunged(qint32 lid) {
// Check if it already exists
if (this->dataStore.contains(lid)) {
NTagViewItem *item = this->dataStore.value(lid);
item->parent()->removeChild(item);
this->dataStore.remove(lid);
}
this->resetSize();
}
// Load up the data from the database
void NTagView::loadData() {
// Empty out the old data store
QList<qint32> keys = dataStore.keys();
for (int i=0; i<keys.size(); i++) {
if (dataStore.contains(keys[i])) {
NTagViewItem *ptr = dataStore.take(keys[i]);
dataStore.remove(keys[i]);
if (ptr->parent() != NULL)
ptr->parent()->removeChild(ptr);
QLOG_DEBUG() << ptr;
ptr->setHidden(true);
// delete ptr; << We can leak memory, but otherwise it sometimes gets confused and causes crashes
}
}
NSqlQuery query(global.db);
TagTable tagTable(global.db);
query.exec("Select lid, name, parent_gid, account from TagModel order by name");
while (query.next()) {
qint32 lid = query.value(0).toInt();
QString name = query.value(1).toString();
QString parentGid = query.value(2).toString();
qint32 account = query.value(3).toInt();
NTagViewItem *newWidget = new NTagViewItem();
newWidget->setData(NAME_POSITION, Qt::DisplayRole, name);
newWidget->setData(NAME_POSITION, Qt::UserRole, lid);
newWidget->account = account;
if (account != accountFilter)
newWidget->setHidden(true);
else
newWidget->setHidden(false);
this->dataStore.insert(lid, newWidget);
newWidget->parentGuid = parentGid;
newWidget->parentLid = tagTable.getLid(parentGid);
root->addChild(newWidget);
}
query.finish();
this->rebuildTree();
}
// A tag has been updated. Things like a sync can cause this to be called
// because a tag's name may have changed.
void NTagView::tagUpdated(qint32 lid, QString name, QString parentGuid, qint32 account) {
this->rebuildTagTreeNeeded = true;
qint32 parentLid = 0;
NTagViewItem *parentWidget = root;
TagTable tagTable(global.db);
// Check if it already exists and if its parent exists
NTagViewItem *newWidget = NULL;
if (this->dataStore.contains(lid) && dataStore[lid] != NULL) {
newWidget = dataStore[lid];
if (newWidget->parent() != NULL)
newWidget->parent()->removeChild(newWidget);
} else {
newWidget = new NTagViewItem();
newWidget->account = account;
dataStore.remove(lid);
dataStore.insert(lid, newWidget);
}
parentLid = tagTable.getLid(parentGuid);
if (parentGuid != "") {
if (parentLid > 0 && dataStore.contains(parentLid)) {
parentWidget = dataStore[parentLid];
if (parentWidget == NULL) {
parentWidget = new NTagViewItem();
parentWidget->account = account;
if (account != this->accountFilter)
parentWidget->setHidden(true);
dataStore.remove(parentLid);
dataStore.insert(parentLid, parentWidget);
}
} else {
if (parentLid == 0) {
Tag parentTag;
parentTag.guid = parentGuid;
parentTag.updateSequenceNum = 0;
parentTag.name = parentGuid;
parentLid = tagTable.add(0, parentTag, false, account);
}
parentWidget = new NTagViewItem();
root->addChild(parentWidget);
parentWidget->setData(NAME_POSITION, Qt::UserRole, parentLid);
parentWidget->setData(NAME_POSITION, Qt::DisplayRole, tr("-<Missing Tag>-"));
dataStore.insert(parentLid, parentWidget);
}
}
if (account != accountFilter)
newWidget->setHidden(true);
else
newWidget->setHidden(false);
parentWidget->addChild(newWidget);
newWidget->setData(NAME_POSITION, Qt::DisplayRole, name);
newWidget->setData(NAME_POSITION, Qt::UserRole, lid);
newWidget->parentGuid = parentGuid;
newWidget->parentLid = parentLid;
newWidget->account = account;
if (this->dataStore.count() == 1) {
this->expandAll();
}
resetSize();
this->sortByColumn(NAME_POSITION);
}
