void ossimQtVceCanvasWidget::openImageFile(const ossimString& filename,
QPoint& locationPt,
std::vector<QCanvasItem*>& newItemList)
{
ossimRefPtr<ossimImageHandler> ih = ossimImageHandlerRegistry::instance()->open(filename);
QCanvasItem* newItem = (QCanvasItem*)NULL;
if(ih.valid())
{
ih->setDescription(ih->getFilename());
newItem = addObject(ih.get(),
locationPt);
if(!newItem)
{
ih = 0;
}
else
{
QRect bounds = newItem->boundingRect();
locationPt.setY(locationPt.y() + bounds.height() + 10);
newItemList.push_back(newItem);
newItem->show();
}
}
}
void ossimQtVceCanvasWidget::addAllObjects(const ossimKeywordlist& kwl,
const QPoint& location,
const char* prefix)
{
unselectItems();
QPoint locationPoint = location;
ossimString copyPrefix = prefix;
std::vector<QCanvasItem*> newItemList;
ossimString regExpression = ossimString("^(") + copyPrefix + "object[0-9]+.)";
vector<ossimString> keys =
kwl.getSubstringKeyList( regExpression );
long numberOfObjets = keys.size();//kwl.getNumberOfSubstringKeys(regExpression);
int offset = (copyPrefix+"object").size();
int idx = 0;
std::vector<int> theNumberList(numberOfObjets);
for(idx = 0; idx < (int)theNumberList.size();++idx)
{
ossimString numberStr(keys[idx].begin() + offset,
keys[idx].end());
theNumberList[idx] = numberStr.toInt();
}
std::sort(theNumberList.begin(), theNumberList.end());
for(idx=0;idx < (int)theNumberList.size();++idx)
{
ossimString newPrefix = copyPrefix;
newPrefix += ossimString("object");
newPrefix += ossimString::toString(theNumberList[idx]);
newPrefix += ossimString(".");
ossimString objType = kwl.find(newPrefix,
ossimKeywordNames::TYPE_KW);
QCanvasItem* item = NULL;
if(objType == "ossimQtImageWindow")
{
item = new ossimQtVceImageDisplayObject(canvas(),
this);
item->setX(locationPoint.x());
item->setY(locationPoint.y());
item->show();
emit itemAdded(item);
}
else if(objType == "ossimImageHandler")
{
QStringList filenames = QFileDialog::getOpenFileNames("Images (*.adf *.ccf *.dem *.DEM *.dt1 *.dt0 *.dt2 *.hdr *.hgt *.jpg *.jpeg *.img *.doqq *.fst *.FST *.nitf *.NTF *.ntf *.ras *.sid *.tif *.tiff *.toc *.TOC);;Vectors(*.shp dht *.tab);;All Files(*)",
QString::null,
this,
"open file dialog",
"Choose a file to open");
QStringList::Iterator it;
for(it = filenames.begin(); it != filenames.end(); ++it)
{
std::vector<QCanvasItem*> newItems;
openImageFile((*it).ascii(),
locationPoint,
newItems);
if(newItems.size())
{
// QRect bounds = newItems[newItems.size()-1]->boundingRect();
// locationPoint.setY(locationPoint.y() + bounds.height() + 10);
newItemList.insert(newItemList.end(),
newItems.begin(),
newItems.end());
}
}
// we will make sure that we don't adjust the location point any further
//
item = NULL;
}
else
{
ossimObject* object = ossimObjectFactoryRegistry::instance()->createObject(objType);
if(object)
{
item = addObject(object, locationPoint);
}
}
if(item)
{
newItemList.push_back(item);
QRect bounds = item->boundingRect();
locationPoint.setY(locationPoint.y() + bounds.height() + 10);
emit itemAdded(item);
}
}
if(newItemList.size() > 0)
{
for(idx = 0; idx < (int)newItemList.size(); ++idx)
{
newItemList[idx]->setSelected(true);
theSelectedItems.push_back(newItemList[idx]);
emit itemSelected(newItemList[idx]);
}
}
}