void SCnEditorScene::selectField(SCnFieldItem *field)
{
if (field)
{
unselectItems();
field->setSelected(true);
views().first()->centerOn(field);
}
}
void SCnEditorScene::selectPrevField(SCnFieldItem *field)
{
SCnFieldItem *prev = prevField(field);
if (prev != 0)
{
unselectItems();
prev->setSelected(true);
views().first()->centerOn(prev);
}
}
void SCnEditorScene::selectNextField(SCnFieldItem *field)
{
SCnFieldItem *next = nextField(field);
if (next != 0)
{
unselectItems();
next->setSelected(true);
views().first()->centerOn(next);
}
}
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]);
}
}
}
void ossimQtVceCanvasWidget::dropEvent(QDropEvent* event)
{
std::vector<ossimObject*> objects;
QString text;
if ( QTextDrag::decode(event, text) )
{
QPoint position(event->pos().x() + contentsX(),
event->pos().y() + contentsY());
ossimKeywordlist kwl;
stringstream in(text.ascii());
bool kwlParseFlag = kwl.parseStream(in);
const char* type = NULL;
if(kwlParseFlag)
{
type = kwl.find(ossimKeywordNames::TYPE_KW);
}
if(ossimString(type) == "ossimDataManagerObjectList")
{
addAllDataManagerObjects(kwl, position);
}
else if(ossimString(type)=="ossimQtVceComponentView")
{
addAllObjects(kwl, position);
}
else
{
unselectItems();
QString filename;
const char* s = text.ascii();
const char* sEnd = text.ascii()+text.length();
int idx = 0;
while(s < sEnd)
{
filename = "";
while((*s!='\0')&&
(*s != '\n')&&
(s < sEnd)&&
(*s != '\r'))
{
filename += *s;
++s;
}
++s;
filename += '\0';
if(filename != "")
{
filename = filename.remove("file:");
std::vector<QCanvasItem*> newItems;
openImageFile(filename.ascii(),
position,
newItems);
for(idx = 0; idx < (int)newItems.size(); ++idx)
{
newItems[idx]->setSelected(true);
theSelectedItems.push_back(newItems[idx]);
emit itemSelected(newItems[idx]);
}
}
}
}
}
}
void ossimQtVceCanvasWidget::selectAll()
{
unselectItems();
QCanvasItemList canvasItemList = canvas()->allItems();
selectItems(canvasItemList);
}
void ossimQtVceCanvasWidget::contentsMousePressEvent(QMouseEvent * e )
{
theMouseButtonState = e->button();
switch(e->button())
{
case Qt::LeftButton:
{
theLeftDownFlag = true;
deleteSelectionRect();
theMouseStartPt = QPoint(e->x(),
e->y());
theSelectionRect = new ossimQtVceShapeRect(QRect(e->x(),
e->y(),
1,
1),
canvas());
// make sure that the selection rect is in front of everything
//
theSelectionRect->setZ(2);
if(!intersectsSelection())
{
unselectItems();
// initialize mode
//
QCanvasItemList collisionList = theSelectionRect->collisions(true);
ossimQtVceConnectableObject* obj = getObjectWhereConnectableSlotIntersectsPoint(collisionList,
theMouseStartPt);
if(obj)
{
QRect rect;
if(obj->getConnectionSlotBoundingRect(rect,
theMouseStartPt))
{
delete theSelectionRect;
theSelectionRect = NULL;
theLineObject = new QCanvasLine(canvas());
QPoint startPt(rect.x() + rect.width()/2,
rect.y() + rect.height()/2);
theLineObject->setPoints(startPt.x(),
startPt.y(),
theMouseStartPt.x(),
theMouseStartPt.y());
theLineObject->setPen(QPen(QColor(0,0,0), 2, Qt::DotLine));
theLineObject->show();
}
}
if(theSelectionRect)
{
// now set the pen style to dashed
//
theSelectionRect->hide();
theSelectionRect->setPen(QPen(QColor(0,0,0), 2, Qt::DotLine));
theSelectionRect->show();
}
}
else
{
deleteSelectionRect();
}
break;
}
case Qt::RightButton:
{
thePopupMenu->hide();
QPoint pt = mapToGlobal(pos());
thePopupMenu->popup(e->globalPos());
}
default:
{
break;
}
}
emit canvasWidgetMousePressEvent(e);
}
