loom

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#include "GraphicsViewStyle.hpp"
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#include <QtCore/QFile>
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#include <QtCore/QJsonArray>
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#include <QtCore/QJsonObject>
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#include <QtCore/QJsonValueRef>
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#include "StyleCollection.hpp"
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using QtNodes::GraphicsViewStyle;
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inline void initResources()
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{
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    Q_INIT_RESOURCE(resources);
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}
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GraphicsViewStyle::GraphicsViewStyle()
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{
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    // Explicit resources inialization for preventing the static initialization
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    // order fiasco: https://isocpp.org/wiki/faq/ctors#static-init-order
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    initResources();
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    // This configuration is stored inside the compiled unit and is loaded statically
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    loadJsonFile(":DefaultStyle.json");
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}
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GraphicsViewStyle::GraphicsViewStyle(QString jsonText)
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{
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    loadJsonText(jsonText);
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}
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void GraphicsViewStyle::setStyle(QString jsonText)
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{
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    GraphicsViewStyle style(jsonText);
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    StyleCollection::setGraphicsViewStyle(style);
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}
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#ifdef STYLE_DEBUG
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#define FLOW_VIEW_STYLE_CHECK_UNDEFINED_VALUE(v, variable) \
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    { \
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        if (v.type() == QJsonValue::Undefined || v.type() == QJsonValue::Null) \
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            qWarning() << "Undefined value for parameter:" << #variable; \
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    }
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#else
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#define FLOW_VIEW_STYLE_CHECK_UNDEFINED_VALUE(v, variable)
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#endif
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#define FLOW_VIEW_STYLE_READ_COLOR(values, variable) \
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    { \
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        auto valueRef = values[#variable]; \
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        FLOW_VIEW_STYLE_CHECK_UNDEFINED_VALUE(valueRef, variable) \
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        if (valueRef.isArray()) { \
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            auto colorArray = valueRef.toArray(); \
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            std::vector<int> rgb; \
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            rgb.reserve(3); \
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            for (auto it = colorArray.begin(); it != colorArray.end(); ++it) { \
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                rgb.push_back((*it).toInt()); \
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            } \
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            variable = QColor(rgb[0], rgb[1], rgb[2]); \
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        } else { \
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            variable = QColor(valueRef.toString()); \
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        } \
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    }
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#define FLOW_VIEW_STYLE_WRITE_COLOR(values, variable) \
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    { \
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        values[#variable] = variable.name(); \
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    }
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void GraphicsViewStyle::loadJson(QJsonObject const &json)
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{
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    QJsonValue nodeStyleValues = json["GraphicsViewStyle"];
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    QJsonObject obj = nodeStyleValues.toObject();
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    FLOW_VIEW_STYLE_READ_COLOR(obj, BackgroundColor);
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    FLOW_VIEW_STYLE_READ_COLOR(obj, FineGridColor);
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    FLOW_VIEW_STYLE_READ_COLOR(obj, CoarseGridColor);
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}
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QJsonObject GraphicsViewStyle::toJson() const
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{
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    QJsonObject obj;
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    FLOW_VIEW_STYLE_WRITE_COLOR(obj, BackgroundColor);
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    FLOW_VIEW_STYLE_WRITE_COLOR(obj, FineGridColor);
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    FLOW_VIEW_STYLE_WRITE_COLOR(obj, CoarseGridColor);
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    QJsonObject root;
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    root["GraphicsViewStyle"] = obj;
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    return root;
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}
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