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#include "tagscene.h"
#include <QGraphicsSceneMouseEvent>
TagScene::TagScene(SQLiteSaveFile &proj)
: proj(proj)
{
reloadPicture();
reloadTags();
connect(&proj, &SQLiteSaveFile::tagChange, this, &TagScene::tagChanged);
connect(&proj, &SQLiteSaveFile::fileReload,
[=]() { reloadTags(); });
}
void TagScene::tagChanged(TagChange change, const Tag &tag)
{
TagItem *it;
switch(change)
{
case TagChange::CREATED:
addTag(tag);
break;
case TagChange::DELETED:
it = tags.take(tag.id);
assert(it);
removeItem(it);
break;
case TagChange::CHANGED:
it = tags[tag.id];
assert(it);
it->tagUpdated(tag);
break;
}
}
void TagScene::reloadPicture()
{
pix.loadFromData(proj.getImage());
if (pix_it)
removeItem(pix_it);
pix_it = new QGraphicsPixmapItem(pix);
addItem(pix_it);
}
void TagScene::addTag(const Tag tag) {
TagItem *it = new TagItem(tag);
addItem(it);
tags[tag.id] = it;
}
void TagScene::reloadTags()
{
clear();
for (auto *it : tags.values()) {
delete it;
}
for (const Tag &tag : proj.getAllTags()) {
addTag(tag);
}
}
void TagScene::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
{
QGraphicsItem *it = itemAt(event->scenePos(), QTransform());
if (!it) {
QGraphicsScene::mouseDoubleClickEvent(event);
}
TagItem *tagitem = qgraphicsitem_cast<TagItem *>(it);
if (!tagitem) {
QGraphicsScene::mouseDoubleClickEvent(event);
}
tagDoubleClicked(tagitem->tag());
}
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