OpenSpace/modules/base/dashboard/dashboarditempropertyvalue.cpp

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 * OpenSpace                                                                             *
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#include <modules/base/dashboard/dashboarditempropertyvalue.h>

#include <openspace/documentation/documentation.h>
#include <openspace/documentation/verifier.h>
#include <openspace/engine/globals.h>
#include <openspace/query/query.h>
#include <openspace/util/timemanager.h>
#include <ghoul/font/font.h>
#include <ghoul/font/fontmanager.h>
#include <ghoul/font/fontrenderer.h>
#include <ghoul/misc/profiling.h>

namespace {
    constexpr openspace::properties::Property::PropertyInfo PropertyUriInfo = {
        "URI",
        "Property URI",
        "The URI of the property that is displayed in this dashboarditem"
    };

    constexpr openspace::properties::Property::PropertyInfo DisplayStringInfo = {
        "DisplayString",
        "Display String",
        "The String that is being displayed. It must either be empty (in which case only "
        "the value itself will be displayed), or it must contain extact one instance of "
        "{}, which will be replaced with the value of the property during rendering."
    };
} // namespace

namespace openspace {

documentation::Documentation DashboardItemPropertyValue::Documentation() {
    using namespace documentation;
    return {
        "DashboardItem PropertyValue",
        "base_dashboarditem_propertyvalue",
        {
            {
                "Type",
                new StringEqualVerifier("DashboardItemPropertyValue"),
                Optional::No
            },
            {
                PropertyUriInfo.identifier,
                new StringVerifier,
                Optional::Yes,
                PropertyUriInfo.description
            },
            {
                DisplayStringInfo.identifier,
                new StringVerifier,
                Optional::Yes,
                DisplayStringInfo.description
            }
        }
    };
}

DashboardItemPropertyValue::DashboardItemPropertyValue(
                                                      const ghoul::Dictionary& dictionary)
    : DashboardTextItem(dictionary)
    , _propertyUri(PropertyUriInfo)
    , _displayString(DisplayStringInfo)
{
    documentation::testSpecificationAndThrow(
        Documentation(),
        dictionary,
        "DashboardItemPropertyValue"
    );

    if (dictionary.hasKey(PropertyUriInfo.identifier)) {
        _propertyUri = dictionary.value<std::string>(PropertyUriInfo.identifier);
    }
    _propertyUri.onChange([this]() { _propertyIsDirty = true; });
    addProperty(_propertyUri);

    if (dictionary.hasKey(DisplayStringInfo.identifier)) {
        _displayString = dictionary.value<std::string>(DisplayStringInfo.identifier);
    }
    addProperty(_displayString);
}

void DashboardItemPropertyValue::render(glm::vec2& penPosition) {
    ZoneScoped

    if (_propertyIsDirty) {
        _property = openspace::property(_propertyUri);
        _propertyIsDirty = false;
    }

    if (_property) {
        std::string value;
        _property->getStringValue(value);

        RenderFont(*_font, penPosition, fmt::format(_displayString.value(), value));
        penPosition.y -= _font->height();
    }
}

glm::vec2 DashboardItemPropertyValue::size() const {
    ZoneScoped

    return _font->boundingBox(_displayString.value());
}

} // namespace openspace