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+/*=========================================================================
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+
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+ Library: CTK
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+
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+ Copyright (c) Kitware Inc.
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+
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+ Licensed under the Apache License, Version 2.0 (the "License");
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+ you may not use this file except in compliance with the License.
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+ You may obtain a copy of the License at
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+
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+ http://www.apache.org/licenses/LICENSE-2.0.txt
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+
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+ Unless required by applicable law or agreed to in writing, software
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+ distributed under the License is distributed on an "AS IS" BASIS,
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ See the License for the specific language governing permissions and
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+ limitations under the License.
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+
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+=========================================================================*/
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+
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+// Qt includes
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+#include <QList>
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+#include <QString>
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+#include <QComboBox>
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+#include <QUiLoader>
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+#include <QApplication>
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+
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+// CTK includes
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+#include "ctkCmdLineModuleManager.h"
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+#include "ctkCmdLineModuleFrontendQtGui.h"
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+#include "ctkCmdLineModuleBackendFunctionPointer.h"
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+#include "ctkCmdLineModuleParameter.h"
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+#include "ctkCmdLineModuleParameterGroup.h"
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+#include "ctkCmdLineModuleDescription.h"
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+#include "ctkCmdLineModuleXslTransform.h"
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+#include "ctkCmdLineModuleFuture.h"
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+
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+#include "ctkTest.h"
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+
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+// ----------------------------------------------------------------------------
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+struct MyImageData : public ctk::CmdLineModuleBackendFunctionPointer::ImageType
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+{
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+ MyImageData(const QString& path = QString())
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+ : Path(path)
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+ {}
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+
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+ QString Path;
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+};
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+
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+Q_DECLARE_METATYPE(MyImageData)
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+Q_DECLARE_METATYPE(const MyImageData*)
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+
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+// ----------------------------------------------------------------------------
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+namespace ctk {
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+namespace CmdLineModuleBackendFunctionPointer {
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+
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+template<>
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+QString GetParameterTypeName<MyImageData>()
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+{
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+ return "image";
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+}
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+
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+}}
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+
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+// ----------------------------------------------------------------------------
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+class MyImageComboBox : public QComboBox
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+{
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+ Q_OBJECT
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+
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+public:
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+
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+ Q_PROPERTY(QString currentValue READ currentValue WRITE setCurrentValue)
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+ Q_PROPERTY(const MyImageData* currentImage READ currentImage)
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+
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+ MyImageComboBox(QWidget* parent = 0)
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+ : QComboBox(parent)
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+ {
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+ imageData << MyImageData("/path/to/image1")
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+ << MyImageData("/path/to/image2")
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+ << MyImageData("/path/to/image3");
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+
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+ this->addItem("Image 1");
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+ this->addItem("Image 2");
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+ this->addItem("Image 3");
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+ }
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+
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+ QString currentValue() const
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+ {
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+ return this->imageData.at(this->currentIndex()).Path;
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+ }
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+
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+ void setCurrentValue(const QString& path)
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+ {
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+ this->imageData[this->currentIndex()].Path = path;
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+ }
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+
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+ const MyImageData* currentImage() const
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+ {
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+ return &this->imageData.at(this->currentIndex());
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+ }
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+
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+private:
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+
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+ QList<MyImageData> imageData;
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+};
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+
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+
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+// ----------------------------------------------------------------------------
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+class MyQtGuiFrontend : public ctkCmdLineModuleFrontendQtGui
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+{
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+public:
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+ MyQtGuiFrontend(const ctkCmdLineModuleReference& moduleRef)
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+ : ctkCmdLineModuleFrontendQtGui(moduleRef)
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+ {}
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+
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+ QUiLoader* uiLoader() const
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+ {
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+ struct MyUiLoader : public QUiLoader {
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+ QStringList availableWidgets() const
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+ {
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+ return QUiLoader::availableWidgets() << "MyImageComboBox";
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+ }
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+ QWidget* createWidget(const QString& className, QWidget* parent, const QString& name)
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+ {
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+ if (className == "MyImageComboBox")
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+ {
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+ MyImageComboBox* comboBox = new MyImageComboBox(parent);
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+ comboBox->setObjectName(name);
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+ comboBox->setCurrentIndex(1);
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+ return comboBox;
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+ }
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+ return QUiLoader::createWidget(className, parent, name);
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+ }
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+ };
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+ static MyUiLoader myUiLoader;
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+ return &myUiLoader;
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+ }
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+
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+ ctkCmdLineModuleXslTransform* xslTransform() const
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+ {
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+ static bool initialized = false;
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+ ctkCmdLineModuleXslTransform* transform = ctkCmdLineModuleFrontendQtGui::xslTransform();
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+ if (!initialized)
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+ {
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+ transform->bindVariable("imageInputWidget", "MyImageComboBox");
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+ static QFile extraXsl(":/MyImageComboBoxTest.xsl");
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+ transform->setXslExtraTransformation(&extraXsl);
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+ initialized = true;
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+ }
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+ return transform;
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+ }
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+
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+ QVariant value(const QString ¶meter, int role) const
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+ {
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+ if (role == UserRole)
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+ {
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+ ctkCmdLineModuleParameter param = this->moduleReference().description().parameter(parameter);
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+ if (param.channel() == "input" && param.tag() == "image")
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+ {
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+ return this->customValue(parameter, "currentImage");
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+ }
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+ return QVariant();
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+ }
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+ return ctkCmdLineModuleFrontendQtGui::value(parameter, role);
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+ }
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+};
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+
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+// ----------------------------------------------------------------------------
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+class MyFpBackend : public ctkCmdLineModuleBackendFunctionPointer
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+{
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+
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+protected:
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+
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+ QList<QVariant> arguments(ctkCmdLineModuleFrontend *frontend) const
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+ {
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+ QList<QVariant> args;
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+ foreach(ctkCmdLineModuleParameter param, frontend->parameters())
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+ {
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+ QVariant arg = frontend->value(param.name(), ctkCmdLineModuleFrontend::UserRole);
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+ if (!arg.isValid())
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+ {
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+ arg = frontend->value(param.name());
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+ }
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+ args << arg;
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+ }
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+
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+ return args;
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+ }
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+};
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+
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+// ----------------------------------------------------------------------------
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+QString CustomImageDataPath;
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+void CustomImageTypeModule(const MyImageData* imageData)
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+{
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+ CustomImageDataPath = imageData->Path;
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+}
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+
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+// ----------------------------------------------------------------------------
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+class ctkCmdLineModuleQtCustomizationTester: public QObject
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+{
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+ Q_OBJECT
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+
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+private Q_SLOTS:
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+
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+ void testCustomization();
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+
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+};
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+
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+// ----------------------------------------------------------------------------
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+void ctkCmdLineModuleQtCustomizationTester::testCustomization()
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+{
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+ qRegisterMetaType<const MyImageData*>("const MyImageData*");
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+
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+ ctkCmdLineModuleManager moduleManager;
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+
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+ MyFpBackend fpBackend;
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+ fpBackend.registerFunctionPointer("Image Type Customization", CustomImageTypeModule);
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+
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+ moduleManager.registerBackend(&fpBackend);
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+ QUrl url = fpBackend.registeredFunctionPointers().front();
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+ moduleManager.registerModule(url);
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+
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+ ctkCmdLineModuleReference moduleRef = moduleManager.moduleReference(url);
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+
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+ ctkCmdLineModuleFrontend* fpFrontend = new MyQtGuiFrontend(moduleRef);
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+ // force the creation of the frontend gui
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+ fpFrontend->guiHandle();
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+
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+ QString expectedImageValue = "/path/to/image2";
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+ QCOMPARE(fpFrontend->value("param0").toString(), expectedImageValue);
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+
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+ // get a custom QVariant value holding the custom widget
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+ QCOMPARE(fpFrontend->value("param0", ctkCmdLineModuleFrontend::UserRole).value<const MyImageData*>()->Path,
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+ expectedImageValue);
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+
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+ // now set the property for the "LocalResourceRole" (the default property) to something else
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+ expectedImageValue = "/tmp/path/to/image2";
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+ fpFrontend->setValue("param0", expectedImageValue);
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+ QCOMPARE(fpFrontend->value("param0").toString(), expectedImageValue);
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+
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+ QVERIFY(CustomImageDataPath.isEmpty());
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+
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+ // run the module (function pointer) and check that is gets the tmp path
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+ ctkCmdLineModuleFuture future = moduleManager.run(fpFrontend);
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+ sleep(1);
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+ QApplication::processEvents();
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+ future.waitForFinished();
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+
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+ QCOMPARE(CustomImageDataPath, expectedImageValue);
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+}
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+
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+
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+// ----------------------------------------------------------------------------
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+CTK_TEST_MAIN(ctkCmdLineModuleQtCustomizationTest)
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+#include "moc_ctkCmdLineModuleQtCustomizationTest.cpp"
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Sascha Zelzer