Modified to TextModel, format

Author: zmoth

examples/plugin_text/PluginDefinition.cpp

@@ -1,14 +1,18 @@
 #include "PluginDefinition.hpp"
 
-#include "TextSourceDataModel.hpp"
+#include "TextModel.hpp"
 
 Plugin *Plugin::_this_plugin = nullptr;
 
-Plugin::Plugin() { _this_plugin = this; }
+Plugin::
+Plugin()
+{ _this_plugin = this; }
 
-void Plugin::registerDataModels(std::shared_ptr<QtNodes::NodeDelegateModelRegistry> &reg)
+void
+Plugin::
+registerDataModels(std::shared_ptr<QtNodes::NodeDelegateModelRegistry> &reg)
 {
-    assert(reg);
+  assert(reg);
 
-    reg->registerModel<TextSourceDataModel>();
+  reg->registerModel<TextModel>();
 }

examples/plugin_text/PluginDefinition.hpp

@@ -4,7 +4,9 @@
 #include <QtNodes/NodeDelegateModelRegistry>
 #include <QtNodes/PluginInterface>
 
-#if defined(plugin_text_EXPORTS) // 这里需要和您的工程文件名一致${PROJECT_NAME}
+// This needs to be the same as the name of your project file ${PROJECT_NAME}
+// 这里需要和您的工程文件名一致 ${PROJECT_NAME}
+#if defined(plugin_text_EXPORTS) 
 #define DLL_EXPORT Q_DECL_EXPORT
 #else
 #define DLL_EXPORT Q_DECL_IMPORT
@@ -13,24 +15,26 @@
 using QtNodes::NodeDelegateModelRegistry;
 using QtNodes::PluginInterface;
 
-/* 插件名称，一个插件可以存在多个节点 */
 #define PLUGIN_NAME "plugin_text"
 
 class DLL_EXPORT Plugin
     : public QObject
     , public QtNodes::PluginInterface
 {
-    Q_OBJECT
-    Q_INTERFACES(QtNodes::PluginInterface)
-    Q_PLUGIN_METADATA(IID PLUGIN_NAME)
+  Q_OBJECT
+  Q_INTERFACES(QtNodes::PluginInterface)
+  Q_PLUGIN_METADATA(IID PLUGIN_NAME)
 
-  public:
-    Plugin();
+public:
+  Plugin();
 
-    QString name() const override { return PLUGIN_NAME; };
+  QString
+  name() const override
+  { return PLUGIN_NAME; };
 
-    void registerDataModels(std::shared_ptr<QtNodes::NodeDelegateModelRegistry> &reg) override;
+  void
+  registerDataModels(std::shared_ptr<QtNodes::NodeDelegateModelRegistry> &reg) override;
 
-  private:
-    static Plugin *_this_plugin;
+private:
+  static Plugin *_this_plugin;
 };

examples/plugin_text/TextModel.cpp

@@ -0,0 +1,97 @@
+#include "TextModel.hpp"
+
+#include <QtWidgets/QTextEdit>
+
+TextModel::
+TextModel()
+  : _lineEdit{nullptr}
+{
+  //
+}
+
+
+unsigned int
+TextModel::
+nPorts(PortType portType) const
+{
+  unsigned int result = 1;
+
+  switch (portType)
+  {
+    case PortType::In:
+      result = 1;
+      break;
+
+    case PortType::Out:
+      result = 1;
+
+    default:
+      break;
+  }
+
+  return result;
+}
+
+
+void
+TextModel::
+onTextEdited()
+{
+  Q_EMIT dataUpdated(0);
+}
+
+
+NodeDataType
+TextModel::
+dataType(PortType, PortIndex) const
+{
+  return TextData().type();
+}
+
+
+std::shared_ptr<NodeData>
+TextModel::
+outData(PortIndex const portIndex)
+{
+  Q_UNUSED(portIndex);
+  return std::make_shared<TextData>(_lineEdit->toPlainText());
+}
+
+
+QWidget *
+TextModel::
+embeddedWidget()
+{
+  if (!_lineEdit)
+  {
+    _lineEdit = new QTextEdit();
+
+    connect(_lineEdit, &QTextEdit::textChanged,
+            this, &TextModel::onTextEdited);
+
+  }
+
+  return _lineEdit;
+}
+
+
+void
+TextModel::
+setInData(std::shared_ptr<NodeData> data, PortIndex const)
+{
+  auto textData = std::dynamic_pointer_cast<TextData>(data);
+
+  QString inputText;
+
+  if (textData)
+  {
+    inputText = textData->text();
+  }
+  else
+  {
+    inputText = "";
+  }
+
+  _lineEdit->setText(inputText);
+}
+

…ples/plugin_text/TextSourceDataModel.hpp examples/plugin_text/TextModel.hppexamples/plugin_text/TextSourceDataModel.hpp renamed to examples/plugin_text/TextModel.hpp examples/plugin_text/TextSourceDataModel.hpp renamed to examples/plugin_text/TextModel.hpp

@@ -13,32 +13,32 @@ using QtNodes::PortIndex;
 using QtNodes::NodeData;
 using QtNodes::NodeDelegateModel;
 
-class QLineEdit;
+class QTextEdit;
 
 /// The model dictates the number of inputs and outputs for the Node.
 /// In this example it has no logic.
-class TextSourceDataModel : public NodeDelegateModel
+class TextModel : public NodeDelegateModel
 {
   Q_OBJECT
 
 public:
-  TextSourceDataModel();
+  TextModel();
 
 public:
   QString
   caption() const override
-  { return QString("Text Source"); }
+  { return QString("Text"); }
 
   bool
-  captionVisible() const override { return false; }
+  captionVisible() const override { return true; }
 
   static QString
   Name()
-  { return QString("TextSourceDataModel"); }
+  { return QString("TextModel"); }
 
   QString
   name() const override
-  { return TextSourceDataModel::Name(); }
+  { return TextModel::Name(); }
 
 public:
   unsigned int
@@ -51,16 +51,19 @@ class TextSourceDataModel : public NodeDelegateModel
   outData(PortIndex const portIndex) override;
 
   void
-  setInData(std::shared_ptr<NodeData>, PortIndex const) override { }
+  setInData(std::shared_ptr<NodeData>, PortIndex const) override;
 
   QWidget *
   embeddedWidget() override;
 
+  bool
+  resizable() const override { return true; }
+
 private Q_SLOTS:
 
   void
-  onTextEdited(QString const & string);
+  onTextEdited();
 
 private:
-  QLineEdit * _lineEdit;
+  QTextEdit * _lineEdit;
 };