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107 lines (80 loc) · 2.36 KB
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#include "FlowViewStyle.hpp"
#include <QtCore/QFile>
#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonValueRef>
#include <QtCore/QJsonArray>
#include <QDebug>
#include "StyleCollection.hpp"
using QtNodes::FlowViewStyle;
inline void initResources() { Q_INIT_RESOURCE(resources); }
FlowViewStyle::
FlowViewStyle()
{
// Explicit resources inialization for preventing the static initialization
// order fiasco: https://isocpp.org/wiki/faq/ctors#static-init-order
initResources();
// This configuration is stored inside the compiled unit and is loaded statically
loadJsonFile(":DefaultStyle.json");
}
FlowViewStyle::
FlowViewStyle(QString jsonText)
{
loadJsonText(jsonText);
}
void
FlowViewStyle::
setStyle(QString jsonText)
{
FlowViewStyle style(jsonText);
StyleCollection::setFlowViewStyle(style);
}
#define FLOW_VIEW_STYLE_CHECK_UNDEFINED_VALUE(v, variable) { \
if (v.type() == QJsonValue::Undefined || \
v.type() == QJsonValue::Null) \
qWarning() << "Undefined value for parameter:" << #variable; \
}
#define FLOW_VIEW_STYLE_READ_COLOR(values, variable) { \
auto valueRef = values[#variable]; \
FLOW_VIEW_STYLE_CHECK_UNDEFINED_VALUE(valueRef, variable) \
if (valueRef.isArray()) { \
auto colorArray = valueRef.toArray(); \
std::vector<int> rgb; rgb.reserve(3); \
for (auto it = colorArray.begin(); it != colorArray.end(); ++it) { \
rgb.push_back(it->toInt()); \
} \
variable = QColor(rgb[0], rgb[1], rgb[2]); \
} else { \
variable = QColor(valueRef.toString()); \
} \
}
void
FlowViewStyle::
loadJsonFile(QString styleFile)
{
QFile file(styleFile);
if (!file.open(QIODevice::ReadOnly))
{
qWarning() << "Couldn't open file " << styleFile;
return;
}
loadJsonFromByteArray(file.readAll());
}
void
FlowViewStyle::
loadJsonText(QString jsonText)
{
loadJsonFromByteArray(jsonText.toUtf8());
}
void
FlowViewStyle::
loadJsonFromByteArray(QByteArray const &byteArray)
{
QJsonDocument json(QJsonDocument::fromJson(byteArray));
QJsonObject topLevelObject = json.object();
QJsonValueRef nodeStyleValues = topLevelObject["FlowViewStyle"];
QJsonObject obj = nodeStyleValues.toObject();
FLOW_VIEW_STYLE_READ_COLOR(obj, BackgroundColor);
FLOW_VIEW_STYLE_READ_COLOR(obj, FineGridColor);
FLOW_VIEW_STYLE_READ_COLOR(obj, CoarseGridColor);
}