void QTreeWidgetItemProto::insertChildren(int index, const QList<QTreeWidgetItem *> &children)
{
QTreeWidgetItem *item = qscriptvalue_cast<QTreeWidgetItem*>(thisObject());
if (item)
item->insertChildren(index, children);
}
void CBookmarkIndex::dropEvent( QDropEvent* event ) {
qDebug() << "CBookmarkIndex::dropEvent";
//setState(QAbstractItemView::NoState);
// Try to prevent annoying timed autocollapsing. Remember to disconnect before return.
QObject::connect(this, SIGNAL(itemCollapsed(QTreeWidgetItem*)), this, SLOT(expandAutoCollapsedItem(QTreeWidgetItem*)));
QTreeWidgetItem* item = itemAt(event->pos());
QTreeWidgetItem* parentItem = 0;
int indexUnderParent = 0;
// Find the place where the drag is dropped
if (item) {
qDebug() << "there was item";
QRect rect = visualItemRect(item);
bool isFolder = dynamic_cast<BtBookmarkFolder*>(item);
bool isBookmark = dynamic_cast<BtBookmarkItem*>(item);
if (isFolder) { // item is a folder
qDebug() << "item was folder";
if (event->pos().y() > rect.bottom() - (2* rect.height() / 3) ) {
parentItem = item;
}
else {
parentItem = item->parent();
if (!parentItem) {
parentItem = invisibleRootItem();
}
qDebug() << "item:" << item << "parent:" << parentItem;
indexUnderParent = parentItem->indexOfChild(item); // before the current folder
}
}
else {
if (isBookmark) { // item is a bookmark
qDebug() << "item was bookmark";
parentItem = item->parent();
if (!parentItem) {
parentItem = invisibleRootItem();
}
indexUnderParent = parentItem->indexOfChild(item); // before the current bookmark
if (event->pos().y() > rect.bottom() - rect.height() / 2) {
indexUnderParent++; // after the current bookmark
}
}
else { // item is the extra item
parentItem = item->parent();
if (!parentItem) {
parentItem = invisibleRootItem();
}
indexUnderParent = parentItem->indexOfChild(item); // before the current bookmark
}
}
}
else { // no item under event point: drop to the end
qDebug() << "there was no item";
parentItem = invisibleRootItem();
indexUnderParent = parentItem->childCount() - 1;
}
if ( event->source() == this ) {
qDebug() << "dropping internal drag";
event->accept();
bool bookmarksOnly = true;
bool targetIncluded = false;
bool moreThanOneFolder = false;
QList<QTreeWidgetItem*> newItems = addItemsToDropTree(parentItem, bookmarksOnly, targetIncluded, moreThanOneFolder);
if (moreThanOneFolder) {
QToolTip::showText(QCursor::pos(), tr("Can drop only bookmarks or one folder"));
QObject::disconnect(this, SIGNAL(itemCollapsed(QTreeWidgetItem*)), this, SLOT(expandAutoCollapsedItem(QTreeWidgetItem*)));
return;
}
if (targetIncluded) {
QToolTip::showText(QCursor::pos(), tr("Can't drop folder into the folder itself or into its subfolder"));
QObject::disconnect(this, SIGNAL(itemCollapsed(QTreeWidgetItem*)), this, SLOT(expandAutoCollapsedItem(QTreeWidgetItem*)));
return;
}
// Ask whether to copy or move with a popup menu
QMenu* dropPopupMenu = new QMenu(this);
QAction* copy = dropPopupMenu->addAction(tr("Copy"));
QAction* move = dropPopupMenu->addAction(tr("Move"));
QAction* dropAction = dropPopupMenu->exec(QCursor::pos());
if (dropAction == copy) {
qDebug() << "copy";
parentItem->insertChildren(indexUnderParent, newItems);
// Need this here because the "move" case goes through
// "deleteEntries" which has a save call.
needToSaveBookmarks();
}
else {
if (dropAction == move) {
qDebug() << "move";
parentItem->insertChildren(indexUnderParent, newItems);
deleteEntries(false);
}
else {
QObject::disconnect(this, SIGNAL(itemCollapsed(QTreeWidgetItem*)),
this, SLOT(expandAutoCollapsedItem(QTreeWidgetItem*)));
return; // user canceled
}
}
}
bool MyMainWindow::GetBaseFileMapinfo(QString filename)
{
//to get image infomation. flag 1 is base image and 2 warp image
treeBaseItem->setText(0,filename);
int n=pBaseFileDataset->GetRasterCount();
//to construct n treewidgetiterm
QList<QTreeWidgetItem *> items;
QTreeWidgetItem *p;
for (int i = 0; i < n; ++i)
{
p=new QTreeWidgetItem();
//get raster band information£»
GDALRasterBand *poBand=pBaseFileDataset->GetRasterBand(i+1);
char *poBandDescription=new char[100];
const char* ptemp=poBand->GetDescription();
strcpy(poBandDescription,ptemp);
QString poDes=QString(QLatin1String(poBandDescription));
p->setText(0,poDes);
if (sizeof(*ptemp)<2)
p->setText(0,QString("layer %0").arg(i+1));
items.append(p);
treeBaseLayerItem.append(p);
delete[] poBandDescription;
}
p=new QTreeWidgetItem();
QString str="Map Info";
p->setText(0,str);
items.append(p);
treeBaseItem->insertChildren(0,items);
items.clear();
//to get projection
const char* strchr=pBaseFileDataset->GetProjectionRef();
char* strchr1=new char[100];
memcpy(strchr1,strchr,100);
QTreeWidgetItem *q=new QTreeWidgetItem();
QString poDes2=QString(QLatin1String(strchr1));
q->setText(0,poDes2);
items.append(q);
treeBaseMapinfoItem=q;
delete[] strchr1;
double adfGeoTransform[6];
pBaseFileDataset->GetGeoTransform( adfGeoTransform );
strchr1=new char[100];
sprintf(strchr1,"Pixel: %f",adfGeoTransform[1]);
QString poDes3=QString(QLatin1String(strchr1));
q=new QTreeWidgetItem();
q->setText(0,poDes3);
items.append(q);
delete[] strchr1;
strchr1=new char[100];
sprintf(strchr1,"UL X: %.2f",adfGeoTransform[0]);
QString poDes4=QString(QLatin1String(strchr1));
q=new QTreeWidgetItem();
q->setText(0,poDes4);
items.append(q);
delete[] strchr1;
strchr1=new char[100];
sprintf(strchr1,"UL Y: %.2f",adfGeoTransform[3]);
QString poDes5=QString(QLatin1String(strchr1));
q=new QTreeWidgetItem();
q->setText(0,poDes5);
items.append(q);
delete[] strchr1;
p->insertChildren(0,items);
return true;
}
