PlotWidget* HistogramWindowImp::getPlot(RasterLayer* pLayer, RasterChannelType channel, bool ignoreStatisticsPlots) const
{
if (pLayer == NULL)
{
return NULL;
}
// Iterate over all histogram plots on all plot sets to find the plot
vector<PlotWidget*> plots = mpPlotSetGroup->getPlots(HISTOGRAM_PLOT);
for (vector<PlotWidget*>::iterator iter = plots.begin(); iter != plots.end(); ++iter)
{
PlotWidget* pPlot = *iter;
if (pPlot != NULL)
{
HistogramPlotImp* pHistogramPlot = dynamic_cast<HistogramPlotImp*>(pPlot->getPlot());
if (pHistogramPlot != NULL && (!ignoreStatisticsPlots || !pHistogramPlot->ownsStatistics()))
{
RasterLayer* pCurrentLayer = dynamic_cast<RasterLayer*>(pHistogramPlot->getLayer());
if (pCurrentLayer == pLayer)
{
RasterChannelType currentChannel = pHistogramPlot->getRasterChannelType();
if (currentChannel == channel)
{
return pPlot;
}
}
}
}
}
return NULL;
}
PlotWidget* PlotSetImp::createPlot(const QString& strPlotName, const PlotType& plotType)
{
if (strPlotName.isEmpty() == true)
{
return NULL;
}
// Do not create the plot if a plot with the given name already exists
PlotWidget* pPlot = getPlot(strPlotName);
if (pPlot != NULL)
{
return NULL;
}
// Create the plot widget
pPlot = new PlotWidgetAdapter(SessionItemImp::generateUniqueId(), strPlotName.toStdString(), plotType,
dynamic_cast<PlotSet*>(this), this);
if (pPlot != NULL)
{
// Block undo actions from being added to the plot view
PlotViewImp* pPlotView = dynamic_cast<PlotViewImp*>(pPlot->getPlot());
if (pPlotView != NULL)
{
pPlotView->blockUndo();
}
// Add the plot widget to the plot set
addPlot(pPlot);
}
return pPlot;
}
PlotWidget* HistogramWindowImp::getPlot(Layer* pLayer) const
{
if (pLayer == NULL)
{
return NULL;
}
RasterLayer* pRasterLayer = dynamic_cast<RasterLayer*>(pLayer);
if (pRasterLayer != NULL)
{
RasterChannelType channel = GRAY;
if (pRasterLayer->getDisplayMode() == RGB_MODE)
{
channel = RED;
}
return getPlot(pRasterLayer, channel);
}
// Iterate over all histogram plots on all plot sets to find the plot
vector<PlotWidget*> plots = mpPlotSetGroup->getPlots(HISTOGRAM_PLOT);
for (vector<PlotWidget*>::iterator iter = plots.begin(); iter != plots.end(); ++iter)
{
PlotWidget* pPlot = *iter;
if (pPlot != NULL)
{
HistogramPlotImp* pHistogramPlot = dynamic_cast<HistogramPlotImp*>(pPlot->getPlot());
if (pHistogramPlot != NULL)
{
Layer* pCurrentLayer = pHistogramPlot->getLayer();
if (pCurrentLayer == pLayer)
{
return pPlot;
}
}
}
}
return NULL;
}
vector<PlotWidget*> PlotSetImp::getPlots(const PlotType& plotType) const
{
vector<PlotWidget*> plots;
for (int i = 0; i < count(); i++)
{
PlotWidget* pPlot = dynamic_cast<PlotWidget*>(widget(i));
if (pPlot != NULL)
{
PlotView* pPlotView = pPlot->getPlot();
if (pPlotView != NULL)
{
PlotType currentType = pPlotView->getPlotType();
if (currentType == plotType)
{
plots.push_back(pPlot);
}
}
}
}
return plots;
}
void HistogramWindowImp::updateContextMenu(Subject& subject, const string& signal, const boost::any& value)
{
ContextMenu* pMenu = boost::any_cast<ContextMenu*>(value);
if (pMenu == NULL)
{
return;
}
bool bAddActions = false;
bool bRemoveActions = false;
PlotWidget* pActionWidget = NULL;
if (dynamic_cast<SessionExplorer*>(&subject) != NULL)
{
// Make sure all of the selected session items for the menu are plot widgets
vector<SessionItem*> items = pMenu->getSessionItems();
vector<PlotWidget*> plots = pMenu->getSessionItems<PlotWidget>();
if (plots.size() != items.size())
{
return;
}
// Make sure all selected plot widget items are contained in this plot set
vector<PlotWidget*>::iterator iter;
for (iter = plots.begin(); iter != plots.end(); ++iter)
{
PlotWidget* pPlot = *iter;
if (pPlot != NULL)
{
if (mpPlotSetGroup->containsPlot(pPlot) == true)
{
if (plots.size() == 1)
{
bAddActions = true;
pActionWidget = pPlot;
}
HistogramPlotImp* pHistogramPlot = dynamic_cast<HistogramPlotImp*>(pPlot->getPlot());
if (pHistogramPlot != NULL)
{
if (pHistogramPlot->getLayer() != NULL)
{
bRemoveActions = true;
}
}
}
else
{
return;
}
}
}
}
else if (dynamic_cast<HistogramWindowImp*>(&subject) == this)
{
if (mpPlotSetGroup->getNumPlotSets() > 0)
{
bRemoveActions = true;
}
}
else
{
PlotWidget* pPlotWidget = dynamic_cast<PlotWidget*>(&subject);
if ((pPlotWidget != NULL) && (mpPlotSetGroup->containsPlot(pPlotWidget) == true))
{
bAddActions = true;
pActionWidget = pPlotWidget;
}
}
// Add the sync zoom action
if ((bAddActions == true) && (pActionWidget != NULL))
{
HistogramPlotImp* pHistogramPlot = dynamic_cast<HistogramPlotImp*>(pActionWidget->getPlot());
if (pHistogramPlot != NULL)
{
RasterLayer* pLayer = dynamic_cast<RasterLayer*>(pHistogramPlot->getLayer());
if ((pLayer != NULL) && (pHistogramPlot->getRasterChannelType() != GRAY))
{
mpSyncAutoZoomAction->setData(QVariant::fromValue(dynamic_cast<SessionItem*>(pHistogramPlot)));
pMenu->addActionBefore(mpSyncAutoZoomAction, APP_HISTOGRAMPLOT_SYNCHRONIZE_AUTO_ZOOM_ACTION,
APP_HISTOGRAMPLOT_RASTER_MENUS_SEPARATOR_ACTION);
}
}
}
// Remove the delete action
if (bRemoveActions == true)
{
pMenu->removeAction(APP_PLOTSET_DELETE_ACTION);
}
// Add statistics actions
if (bAddActions)
{
pMenu->addActionBefore(mpStatisticsShowAction, APP_HISTOGRAMPLOT_STATISTICS_ACTION,
APP_HISTOGRAMPLOT_REFRESH_STATISTICS_ACTION);
}
}
bool PropertiesPlotView::initialize(SessionItem* pSessionItem)
{
mpPlotView = dynamic_cast<PlotView*>(pSessionItem);
if (mpPlotView == NULL)
{
PlotWidget* pPlotWidget = dynamic_cast<PlotWidget*>(pSessionItem);
if (pPlotWidget != NULL)
{
mpPlotView = pPlotWidget->getPlot();
}
if (mpPlotView == NULL)
{
return false;
}
}
// Gridlines
CartesianPlot* pCartesianPlot = dynamic_cast<CartesianPlot*>(mpPlotView);
if (pCartesianPlot != NULL)
{
Gridlines* pHorizGridlines = pCartesianPlot->getGridlines(HORIZONTAL);
Gridlines* pVertGridlines = pCartesianPlot->getGridlines(VERTICAL);
if ((pHorizGridlines != NULL) && (pVertGridlines != NULL))
{
LineStyle lineStyle = pHorizGridlines->getLineStyle();
if (pVertGridlines->getLineStyle() == lineStyle)
{
mpStyleCombo->setCurrentValue(lineStyle);
}
int lineWidth = pHorizGridlines->getLineWidth();
if (pVertGridlines->getLineWidth() == lineWidth)
{
mpWidthCombo->setCurrentValue(lineWidth);
}
ColorType gridlineColor = pHorizGridlines->getColor();
if (pVertGridlines->getColor() == gridlineColor)
{
mpColorButton->setColor(gridlineColor);
}
return true;
}
}
PolarPlot* pPolarPlot = dynamic_cast<PolarPlot*>(mpPlotView);
if (pPolarPlot != NULL)
{
Gridlines* pGridlines = pPolarPlot->getGridlines();
if (pGridlines != NULL)
{
mpStyleCombo->setCurrentValue(pGridlines->getLineStyle());
mpWidthCombo->setCurrentValue(pGridlines->getLineWidth());
mpColorButton->setColor(pGridlines->getColor());
return true;
}
}
return false;
}