nodeeditor/examples/example2/TextDisplayDataModel.hpp at v2 · BehaviorTree/nodeeditor · GitHub

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#pragma once

#include <QtCore/QObject>

#include <QtWidgets/QLabel>

#include "TextData.hpp"

#include <nodes/NodeDataModel>

#include <iostream>

#include <vector>

using QtNodes::PortType;

using QtNodes::PortIndex;

using QtNodes::NodeData;

using QtNodes::NodeDataModel;

/// The model dictates the number of inputs and outputs for the Node.

/// In this example it has no logic.

class TextDisplayDataModel : public NodeDataModel

{

Q_OBJECT

public:

TextDisplayDataModel();

virtual

~TextDisplayDataModel() {}

public:

QString

caption() const override

{ return QString("Text Display"); }

bool

captionVisible() const override { return false; }

static QString

Name()

{ return QString("TextDisplayDataModel"); }

QString

name() const override

{ return TextDisplayDataModel::Name(); }

public:

unsigned int

nPorts(PortType portType) const override;

NodeDataType

dataType(PortType portType, PortIndex portIndex) const override;

std::shared_ptr<NodeData>

outData(PortIndex port) override;

ConnectionPolicy

portInConnectionPolicy(PortIndex) const override

{

return ConnectionPolicy::Many;

}

void

setInData(std::shared_ptr<NodeData> data, int) override

{

}

void

setInData(std::shared_ptr<NodeData> data, int, const QUuid& connectionId) override

{

auto textData = std::dynamic_pointer_cast<TextData>(data);

auto it = std::find_if(inputTexts.begin(), inputTexts.end(),

[this, &connectionId](const auto& e)

{

return e.first == connectionId;

});

if (textData)

{

if (it == inputTexts.end())

inputTexts.emplace_back(connectionId, textData->text());

else

it->second = textData->text();

}

else

{

inputTexts.erase(it);

}

QStringList textList;

for (auto&& entry : inputTexts) textList.push_back(entry.second);

_label->setText(QStringLiteral("%1 inputs: %2")

.arg(textList.size())

.arg(textList.join(QStringLiteral(", "))));

_label->adjustSize();

}

QWidget *

embeddedWidget() override { return _label; }

private:

QLabel * _label;

std::vector<std::pair<QUuid, QString>> inputTexts;

};

nodeeditor/examples/example2/TextDisplayDataModel.hpp at v2 · BehaviorTree/nodeeditor · GitHub

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