int setLayerDisplayed(Layer* pLayer, int displayed)
{
if (pLayer == NULL)
{
setLastError(SIMPLE_BAD_PARAMS);
return 1;
}
SpatialDataView* pView = dynamic_cast<SpatialDataView*>(pLayer->getView());
if (pView == NULL)
{
setLastError(SIMPLE_WRONG_VIEW_TYPE);
return 1;
}
bool success = true;
if (displayed != 0)
{
if (!pView->isLayerDisplayed(pLayer))
{
success = pView->showLayer(pLayer);
}
}
else
{
if (pView->isLayerDisplayed(pLayer))
{
success = pView->hideLayer(pLayer);
}
}
if (!success)
{
setLastError(SIMPLE_OTHER_FAILURE);
return 1;
}
setLastError(SIMPLE_NO_ERROR);
return 0;
}
int isLayerDisplayed(Layer* pLayer)
{
if (pLayer == NULL)
{
setLastError(SIMPLE_BAD_PARAMS);
return 0;
}
SpatialDataView* pView = dynamic_cast<SpatialDataView*>(pLayer->getView());
if (pView == NULL)
{
setLastError(SIMPLE_WRONG_VIEW_TYPE);
return 0;
}
setLastError(SIMPLE_NO_ERROR);
return static_cast<int>(pView->isLayerDisplayed(pLayer));
}
