added settings value formatters

now in QML a preview string with the current value is show as
subtext, with the tooltip as actual tooltip and optionally as preview

bin/qsettingstranslator.py

@@ -21,6 +21,8 @@ def create_settings_ts(infile, outfile):
 				strings.append(elem.attrib["tooltip"])
 			if "tr" in elem.attrib and elem.attrib["tr"].lower() == "true":
 				strings.append(elem.text)
+			if "ztr" in elem.attrib and elem.attrib["ztr"].lower() == "true": # lazy translations
+				strings.append(elem.text)
 			if "trdefault" in elem.attrib and elem.attrib["trdefault"].lower() == "true":
 				strings.append(elem.attrib["default"])
 			# legaxy keys, because of a typo...

examples/mvvmcore/SampleCore/settings.xml

@@ -11,18 +11,21 @@
 					   default="true">
 					<SearchKey>property</SearchKey>
 					<SearchKey>bool</SearchKey>
+					<Property key="qtmvvm_preview" type="bool">true</Property>
 				</Entry>
 				<Entry key="prop2"
 					   type="string"
 					   title="Enter a &amp;name">
 					<SearchKey>property</SearchKey>
 					<Property key="placeholderText" type="string" tr="true">Enter a nice name</Property>
+					<Property key="qtmvvm_preview" type="string" tr="true">Your current name: %1</Property>
 				</Entry>
 			</Group>
 			<Group title="Sub-Group" tooltip="This is a tooltip">
 				<Entry key="prop3"
 					   type="action"
-					   title="Open &amp;system settings">
+					   title="Open &amp;system settings"
+					   tooltip="Pressing this action will open the system settings">
 					<Property key="text" type="string">Trigger Action</Property>
 					<Property key="args" type="object">
 						<Property key="hint" type="string" tr="true">You can use this to trigger whatever kind of action you need</Property>
@@ -38,6 +41,7 @@
 						<Element type="string" tr="true">Variant B</Element>
 						<Element type="string" tr="true">Variant C</Element>
 					</Property>
+					<Property key="qtmvvm_preview" type="string" tr="true">Current value: %1</Property>
 				</Entry>
 			</Group>
 		</Section>
@@ -45,9 +49,11 @@
 			<Entry key="prop5"
 				   type="double"
 				   title="Enter a &amp;value"
-				   tooltip="The value must be between 0 and 1">
+				   tooltip="The value must be between 0 and 1"
+				   default="0.0">
 				<Property key="minimum" type="double">0.0</Property>
 				<Property key="maximum" type="double">1.0</Property>
+				<Property key="qtmvvm_preview" type="string" tr="true">Current value: %L1</Property>
 			</Entry>
 			<Entry key="prop6"
 				   type="selection"
@@ -83,6 +89,7 @@
 						<Property key="value" type="int">7</Property>
 					</Element>
 				</Property>
+				<Property key="qtmvvm_preview" type="string" tr="true">Current value: %1</Property>
 			</Entry>
 		</Section>
 	</Category>
@@ -90,7 +97,9 @@
 		<Entry key="prop7"
 			   type="int"
 			   title="Enter a &amp;number"
-			   default="42" />
+			   default="42">
+			<Property key="qtmvvm_preview" type="string" ztr="true">Is set to %n unit(s)</Property>
+		</Entry>
 		<Entry key="prop8"
 			   type="selection"
 			   title="Select a &amp;mode"

src/imports/mvvmquick/plugins.qmltypes

@@ -44,6 +44,15 @@ Module {
             Parameter { name: "type"; type: "QByteArray" }
             Parameter { name: "viewProperties"; type: "QVariantMap" }
         }
+        Method {
+            name: "format"
+            revision: 1
+            type: "string"
+            Parameter { name: "type"; type: "QByteArray" }
+            Parameter { name: "formatString"; type: "string" }
+            Parameter { name: "value"; type: "QVariant" }
+            Parameter { name: "viewProperties"; type: "QVariantMap" }
+        }
         Method {
             name: "addSimpleInput"
             Parameter { name: "type"; type: "QByteArray" }
@@ -64,6 +73,12 @@ Module {
             Parameter { name: "alias"; type: "QByteArray" }
             Parameter { name: "targetType"; type: "QByteArray" }
         }
+        Method {
+            name: "addFormatterAlias"
+            revision: 1
+            Parameter { name: "alias"; type: "QByteArray" }
+            Parameter { name: "targetType"; type: "QByteArray" }
+        }
     }
     Component {
         name: "QtMvvm::QQmlQuickPresenter"

src/imports/mvvmquick/settingsentrymodel.cpp

@@ -24,13 +24,14 @@ void SettingsEntryModel::setup(const SettingsElements::Section &section, Setting
 				   this, &SettingsEntryModel::entryChanged);
 	}
 	_viewModel = viewModel;
+	_factory = factory;
 	connect(_viewModel, &SettingsViewModel::valueChanged,
 			this, &SettingsEntryModel::entryChanged,
 			Qt::QueuedConnection); //to not mess up data changes
 	auto rIndex = 0;
 	for(const auto &group : section.groups) {
 		for(const auto &entry : group.entries) {
-			auto url = factory->getDelegate(entry.type, entry.properties);
+			auto url = _factory->getDelegate(entry.type, entry.properties);
 			if(group.title.isEmpty()) // unnamed groups are presented first
 				_entries.insert(rIndex++, EntryInfo{entry, url});
 			else
@@ -83,6 +84,19 @@ QVariant SettingsEntryModel::data(const QModelIndex &index, int role) const
 		return entry.group.title;
 	case SearchKeysRole:
 		return entry.searchKeys;
+	case PreviewRole:
+		if(entry.properties.contains(QStringLiteral("qtmvvm_preview"))) {
+			auto preview = entry.properties.value(QStringLiteral("qtmvvm_preview"));
+			if(preview.type() == QVariant::Bool)
+				return preview.toBool() ? entry.tooltip : QString{};
+			else if(preview.type() == QVariant::String) {
+				return _factory->format(entry.type,
+										preview.toString(),
+										_viewModel->loadValue(entry.key, entry.defaultValue),
+										entry.properties);
+			}
+		}
+		return QString{};
 	default:
 		return QVariant();
 	}
@@ -101,7 +115,7 @@ bool SettingsEntryModel::setData(const QModelIndex &index, const QVariant &value
 		return false;
 
 	_viewModel->saveValue(_entries.value(index.row()).key, value);
-	emit dataChanged(index, index, {SettingsValueRole});
+	emit dataChanged(index, index, {SettingsValueRole, PreviewRole});
 	return true;
 }
 
@@ -115,7 +129,8 @@ QHash<int, QByteArray> SettingsEntryModel::roleNames() const
 		{ToolTipRole, "tooltip"},
 		{DelegateUrlRole, "delegateUrl"},
 		{SettingsValueRole, "inputValue"},
-		{PropertiesRole, "properties"}
+		{PropertiesRole, "properties"},
+		{PreviewRole, "preview"}
 	};
 }
 
@@ -133,7 +148,7 @@ void SettingsEntryModel::entryChanged(const QString &key)
 	for(auto i = 0; i < _entries.size(); i++) {
 		if(_entries[i].key == key) {
 			auto mIndex = index(i);
-			emit dataChanged(mIndex, mIndex, {SettingsValueRole});
+			emit dataChanged(mIndex, mIndex, {SettingsValueRole, PreviewRole});
 			break;
 		}
 	}

src/imports/mvvmquick/settingsentrymodel.h

@@ -24,7 +24,9 @@ public:
 		DelegateUrlRole,
 		SettingsValueRole,
 		PropertiesRole,
-		SearchKeysRole
+		SearchKeysRole,
+
+		PreviewRole
 	};
 	Q_ENUM(Roles)
 
@@ -53,6 +55,7 @@ private:
 	};
 
 	SettingsViewModel *_viewModel = nullptr;
+	InputViewFactory *_factory = nullptr;
 	QList<EntryInfo> _entries;
 };
 

src/mvvmquick/BoolDelegate.qml

@@ -1,6 +1,7 @@
 import QtQuick 2.10
 import QtQuick.Controls 2.3
 import QtQuick.Layouts 1.3
+import de.skycoder42.QtMvvm.Quick 1.1
 
 CheckDelegate {
 	id: _boolDelegate
@@ -20,6 +21,11 @@ CheckDelegate {
 			inputValue = checked;
 	}
 
+	ToolTip.visible: pressed && tooltip != ""
+	ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
+	ToolTip.text: tooltip
+	onPressAndHold: QuickPresenter.hapticLongPress()
+
 	contentItem: GridLayout {
 		columns: 2
 		rows: 2
@@ -35,11 +41,11 @@ CheckDelegate {
 		}
 
 		Label {
-			id: _textLabel
-			visible: tooltip
+			id: _peviewLabel
+			visible: preview
 			Layout.row: 1
 			Layout.column: 0
-			text: tooltip
+			text: preview
 			wrapMode: Text.WordWrap
 			Layout.fillWidth: true
 		}

src/mvvmquick/ListDelegate.qml

@@ -1,6 +1,7 @@
 import QtQuick 2.10
 import QtQuick.Controls 2.3
 import QtQuick.Layouts 1.3
+import de.skycoder42.QtMvvm.Quick 1.1
 
 ItemDelegate {
 	id: _listDelegate
@@ -9,6 +10,11 @@ ItemDelegate {
 
 	signal showInput(string key, string title, string type, var defaultValue, var properties);
 
+	ToolTip.visible: pressed && tooltip != ""
+	ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
+	ToolTip.text: tooltip
+	onPressAndHold: QuickPresenter.hapticLongPress()
+
 	contentItem: ColumnLayout {
 		Label {
 			id: _titleLabel
@@ -19,9 +25,9 @@ ItemDelegate {
 		}
 
 		Label {
-			id: _textLabel
-			visible: tooltip
-			text: tooltip
+			id: _previewLabel
+			visible: preview
+			text: preview
 			wrapMode: Text.WordWrap
 			Layout.fillWidth: true
 		}

src/mvvmquick/MsgDelegate.qml

@@ -1,6 +1,7 @@
 import QtQuick 2.10
 import QtQuick.Controls 2.3
 import QtQuick.Layouts 1.3
+import de.skycoder42.QtMvvm.Quick 1.1
 
 ItemDelegate {
 	id: _msgDelegate
@@ -9,6 +10,11 @@ ItemDelegate {
 
 	signal showInput(string key, string title, string type, var defaultValue, var properties);
 
+	ToolTip.visible: pressed && tooltip != ""
+	ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
+	ToolTip.text: tooltip
+	onPressAndHold: QuickPresenter.hapticLongPress()
+
 	contentItem: ColumnLayout {
 		Label {
 			id: _titleLabel
@@ -19,9 +25,9 @@ ItemDelegate {
 		}
 
 		Label {
-			id: _textLabel
-			visible: tooltip
-			text: tooltip
+			id: _previewLabel
+			visible: preview
+			text: preview
 			wrapMode: Text.WordWrap
 			Layout.fillWidth: true
 		}

src/mvvmquick/SwitchDelegate.qml

@@ -1,6 +1,7 @@
 import QtQuick 2.10
 import QtQuick.Controls 2.3 as Controls
 import QtQuick.Layouts 1.3
+import de.skycoder42.QtMvvm.Quick 1.1
 
 Controls.SwitchDelegate {
 	id: _boolDelegate
@@ -20,6 +21,11 @@ Controls.SwitchDelegate {
 			inputValue = checked;
 	}
 
+	Controls.ToolTip.visible: pressed && tooltip != ""
+	Controls.ToolTip.delay: Qt.styleHints.mousePressAndHoldInterval
+	Controls.ToolTip.text: tooltip
+	onPressAndHold: QuickPresenter.hapticLongPress()
+
 	contentItem: GridLayout {
 		columns: 2
 		rows: 2
@@ -35,11 +41,11 @@ Controls.SwitchDelegate {
 		}
 
 		Controls.Label {
-			id: _textLabel
-			visible: tooltip
+			id: _previewLabel
+			visible: preview
 			Layout.row: 1
 			Layout.column: 0
-			text: tooltip
+			text: preview
 			wrapMode: Text.WordWrap
 			Layout.fillWidth: true
 		}

src/mvvmquick/formatters_p.h

@@ -0,0 +1,41 @@
+#ifndef QTMVVM_FORMATTERS_P_H
+#define QTMVVM_FORMATTERS_P_H
+
+#include <QtCore/QCoreApplication>
+
+#include "inputviewfactory.h"
+
+namespace QtMvvm {
+
+class IntFormatter : public Formatter
+{
+public:
+	QString format(const QString &formatString, const QVariant &value, const QVariantMap &viewProperties) const override {
+		if(viewProperties.value(QStringLiteral("qtmvvm_ztr"), formatString.contains(QStringLiteral("%n"))).toBool())
+			return QCoreApplication::translate("qtmvvm_settings_xml", qUtf8Printable(formatString), nullptr, value.toInt());
+		else
+			return formatString.arg(value.toInt());
+	}
+};
+
+class ListFormatter : public Formatter
+{
+public:
+	QString format(const QString &formatString, const QVariant &value, const QVariantMap &viewProperties) const override {
+		if(viewProperties.contains(QStringLiteral("listElements"))) {
+			for(const auto &element : viewProperties.value(QStringLiteral("listElements")).toList()) {
+				if(element.type() != QVariant::Map)
+					continue;
+				auto eMap = element.toMap();
+				if(eMap.value(QStringLiteral("value")) == value)
+					return formatString.arg(eMap.value(QStringLiteral("name")).toString());
+			}
+		}
+
+		return formatString.arg(value.toString());
+	}
+};
+
+}
+
+#endif // QTMVVM_FORMATTERS_P_H

src/mvvmquick/inputviewfactory.cpp

@@ -8,6 +8,8 @@
 
 #include <QtMvvmCore/private/qtmvvm_logging_p.h>
 
+#include "formatters_p.h"
+
 using namespace QtMvvm;
 
 InputViewFactory::InputViewFactory(QObject *parent) :
@@ -24,32 +26,8 @@ QUrl InputViewFactory::getInputUrl(const QByteArray &type, const QVariantMap &vi
 	Q_UNUSED(viewProperties)
 	if(d->inputAliases.contains(type))
 		url = getInputUrl(d->inputAliases.value(type), viewProperties);
-	if(d->simpleInputs.contains(type))
+	else if(d->simpleInputs.contains(type))
 		url = d->simpleInputs.value(type);
-	else if(type == QMetaType::typeName(QMetaType::Bool))
-		url = QStringLiteral("qrc:/qtmvvm/inputs/CheckBox.qml");
-	else if(type == "switch")
-		url = QStringLiteral("qrc:/qtmvvm/inputs/Switch.qml");
-	else if(type == QMetaType::typeName(QMetaType::QString) || type == "string")
-		url = QStringLiteral("qrc:/qtmvvm/inputs/TextField.qml");
-	else if(type == QMetaType::typeName(QMetaType::Int))
-		url = QStringLiteral("qrc:/qtmvvm/inputs/SpinBox.qml");
-	else if(type == QMetaType::typeName(QMetaType::Double))
-		url = QStringLiteral("qrc:/qtmvvm/inputs/DoubleSpinBox.qml");
-//	else if(type == QMetaType::typeName(QMetaType::QDate))
-//		url = QUrl();
-//	else if(type == QMetaType::typeName(QMetaType::QTime))
-//		url = QUrl();
-//	else if(type == QMetaType::typeName(QMetaType::QDateTime) || type == "date")
-//		url = QUrl();
-	else if(type == QMetaType::typeName(QMetaType::QFont))
-		url = QStringLiteral("qrc:/qtmvvm/inputs/FontEdit.qml");
-	else if(type == QMetaType::typeName(QMetaType::QUrl) || type == "url")
-		url = QStringLiteral("qrc:/qtmvvm/inputs/UrlField.qml");
-	else if(type == "selection" || type == "list")
-		url = QStringLiteral("qrc:/qtmvvm/inputs/ListEdit.qml");
-	else if(type == "radiolist")
-		url = QStringLiteral("qrc:/qtmvvm/inputs/RadioListEdit.qml");
 	else {
 		logCritical() << "Failed to find any input view for input type:" << type;
 		return QUrl();
@@ -66,12 +44,8 @@ QUrl InputViewFactory::getDelegate(const QByteArray &type, const QVariantMap &vi
 	Q_UNUSED(viewProperties)
 	if(d->delegateAliases.contains(type))
 		url = getDelegate(d->delegateAliases.value(type), viewProperties);
-	if(d->simpleDelegates.contains(type))
+	else if(d->simpleDelegates.contains(type))
 		url = d->simpleDelegates.value(type);
-	else if(type == QMetaType::typeName(QMetaType::Bool))
-		url = QStringLiteral("qrc:/qtmvvm/delegates/BoolDelegate.qml");
-	else if(type == "switch")
-		url = QStringLiteral("qrc:/qtmvvm/delegates/SwitchDelegate.qml");
 	else if((type == "selection" || type == "list") &&
 			!viewProperties.value(QStringLiteral("editable"), false).toBool())
 		url = QStringLiteral("qrc:/qtmvvm/delegates/ListDelegate.qml");
@@ -82,6 +56,16 @@ QUrl InputViewFactory::getDelegate(const QByteArray &type, const QVariantMap &vi
 	return url;
 }
 
+QString QtMvvm::InputViewFactory::format(const QByteArray &type, const QString &formatString, const QVariant &value, const QVariantMap &viewProperties)
+{
+	if(d->formatterAliases.contains(type))
+		return format(d->formatterAliases.value(type), formatString, value, viewProperties);
+	else if(d->formatters.contains(type))
+		return d->formatters.value(type)->format(formatString, value, viewProperties);
+	else
+		return formatString.arg(value.toString());
+}
+
 void InputViewFactory::addSimpleInput(const QByteArray &type, const QUrl &qmlFileUrl)
 {
 	d->simpleInputs.insert(type, qmlFileUrl);
@@ -92,6 +76,11 @@ void InputViewFactory::addSimpleDelegate(const QByteArray &type, const QUrl &qml
 	d->simpleDelegates.insert(type, qmlFileUrl);
 }
 
+void InputViewFactory::addFormatter(const QByteArray &type, Formatter *formatter)
+{
+	d->formatters.insert(type, QSharedPointer<Formatter>{formatter});
+}
+
 void InputViewFactory::addInputAlias(const QByteArray &alias, const QByteArray &targetType)
 {
 	d->inputAliases.insert(alias, targetType);
@@ -101,3 +90,49 @@ void InputViewFactory::addDelegateAlias(const QByteArray &alias, const QByteArra
 {
 	d->delegateAliases.insert(alias, targetType);
 }
+
+void QtMvvm::InputViewFactory::addFormatterAlias(const QByteArray &alias, const QByteArray &targetType)
+{
+	d->formatterAliases.insert(alias, targetType);
+}
+
+
+
+Formatter::Formatter() = default;
+
+Formatter::~Formatter() = default;
+
+
+
+InputViewFactoryPrivate::InputViewFactoryPrivate() :
+	simpleInputs{
+		{QMetaType::typeName(QMetaType::Bool), QStringLiteral("qrc:/qtmvvm/inputs/CheckBox.qml")},
+		{"switch", QStringLiteral("qrc:/qtmvvm/inputs/Switch.qml")},
+		{QMetaType::typeName(QMetaType::QString), QStringLiteral("qrc:/qtmvvm/inputs/TextField.qml")},
+		{"string", QStringLiteral("qrc:/qtmvvm/inputs/TextField.qml")},
+		{QMetaType::typeName(QMetaType::Int), QStringLiteral("qrc:/qtmvvm/inputs/SpinBox.qml")},
+		{QMetaType::typeName(QMetaType::Double), QStringLiteral("qrc:/qtmvvm/inputs/DoubleSpinBox.qml")},
+//		{QMetaType::typeName(QMetaType::QDate), QStringLiteral("qrc:/qtmvvm/inputs/.qml")},
+//		{QMetaType::typeName(QMetaType::QTime), QStringLiteral("qrc:/qtmvvm/inputs/.qml")},
+//		{QMetaType::typeName(QMetaType::QDateTime), QStringLiteral("qrc:/qtmvvm/inputs/.qml")},
+//		{"date", QStringLiteral("qrc:/qtmvvm/inputs/.qml")},
+		{QMetaType::typeName(QMetaType::QFont), QStringLiteral("qrc:/qtmvvm/inputs/FontEdit.qml")},
+		{QMetaType::typeName(QMetaType::QUrl), QStringLiteral("qrc:/qtmvvm/inputs/UrlField.qml")},
+		{"selection", QStringLiteral("qrc:/qtmvvm/inputs/ListEdit.qml")},
+		{"list", QStringLiteral("qrc:/qtmvvm/inputs/ListEdit.qml")},
+		{"radiolist", QStringLiteral("qrc:/qtmvvm/inputs/RadioListEdit.qml")}
+	},
+	simpleDelegates{
+		{QMetaType::typeName(QMetaType::Bool), QStringLiteral("qrc:/qtmvvm/delegates/BoolDelegate.qml")},
+		{"switch", QStringLiteral("qrc:/qtmvvm/inputs/SwitchDelegate.qml")}
+	},
+	formatters{
+		{QMetaType::typeName(QMetaType::Int), QSharedPointer<IntFormatter>::create()},
+		{QMetaType::typeName(QMetaType::Double), QSharedPointer<SimpleFormatter<double>>::create()},
+	}
+{
+	auto listFormatter = QSharedPointer<ListFormatter>::create();
+	formatters.insert("selection", listFormatter);
+	formatters.insert("list", listFormatter);
+	formatters.insert("radiolist", listFormatter);
+}

src/mvvmquick/inputviewfactory.h

@@ -5,11 +5,34 @@
 #include <QtCore/qvariant.h>
 #include <QtCore/qscopedpointer.h>
 #include <QtCore/qobject.h>
+#include <QtCore/qmetaobject.h>
 
 #include "QtMvvmQuick/qtmvvmquick_global.h"
 
 namespace QtMvvm {
 
+class Q_MVVMQUICK_EXPORT Formatter
+{
+	Q_DISABLE_COPY(Formatter)
+
+public:
+	Formatter();
+	virtual ~Formatter();
+
+	virtual QString format(const QString &formatString,
+						   const QVariant &value,
+						   const QVariantMap &viewProperties) const = 0;
+};
+
+template <typename T>
+class SimpleFormatter : public Formatter
+{
+public:
+	inline QString format(const QString &formatString,
+						  const QVariant &value,
+						  const QVariantMap &viewProperties) const override;
+};
+
 class InputViewFactoryPrivate;
 //! A factory class to generate input edit views by their type names
 class Q_MVVMQUICK_EXPORT InputViewFactory : public QObject
@@ -26,6 +49,11 @@ public:
 	//! Find the input list delegate URL of the given input type
 	Q_INVOKABLE virtual QUrl getDelegate(const QByteArray &type, const QVariantMap &viewProperties);
 
+	Q_REVISION(1) Q_INVOKABLE QString format(const QByteArray &type,
+											 const QString &formatString,
+											 const QVariant &value,
+											 const QVariantMap &viewProperties);
+
 	//! Adds a new QML file to create views for the given type
 	template <typename TType>
 	inline void addSimpleInput(const QUrl &qmlFileUrl);
@@ -38,6 +66,10 @@ public:
 	//! @copybrief addSimpleDelegate(const QUrl &)
 	Q_INVOKABLE virtual void addSimpleDelegate(const QByteArray &type, const QUrl &qmlFileUrl);
 
+	template <typename TType>
+	inline void addFormatter(Formatter *formatter);
+	void addFormatter(const QByteArray &type, Formatter *formatter);
+
 	//! Adds a type name alias for views
 	template <typename TAliasType, typename TTargetType>
 	inline void addInputAlias();
@@ -50,6 +82,10 @@ public:
 	//! @copybrief addDelegateAlias()
 	Q_INVOKABLE virtual void addDelegateAlias(const QByteArray &alias, const QByteArray &targetType);
 
+	template <typename TAliasType, typename TTargetType>
+	inline void addFormatterAlias();
+	Q_REVISION(1) Q_INVOKABLE void addFormatterAlias(const QByteArray &alias, const QByteArray &targetType);
+
 private:
 	QScopedPointer<InputViewFactoryPrivate> d;
 };
@@ -66,6 +102,12 @@ void InputViewFactory::addSimpleDelegate(const QUrl &qmlFileUrl)
 	addSimpleDelegate(QMetaType::typeName(qMetaTypeId<TType>()), qmlFileUrl);
 }
 
+template<typename TType>
+void InputViewFactory::addFormatter(Formatter *formatter)
+{
+	addFormatter(QMetaType::typeName(qMetaTypeId<TType>()), formatter);
+}
+
 template<typename TAliasType, typename TTargetType>
 inline void InputViewFactory::addInputAlias()
 {
@@ -78,6 +120,21 @@ void InputViewFactory::addDelegateAlias()
 	addDelegateAlias(QMetaType::typeName(qMetaTypeId<TAliasType>()), QMetaType::typeName(qMetaTypeId<TTargetType>()));
 }
 
+template<typename TAliasType, typename TTargetType>
+void InputViewFactory::addFormatterAlias()
+{
+	addFormatterAlias(QMetaType::typeName(qMetaTypeId<TAliasType>()), QMetaType::typeName(qMetaTypeId<TTargetType>()));
+}
+
+
+
+template<typename T>
+QString SimpleFormatter<T>::format(const QString &formatString, const QVariant &value, const QVariantMap &viewProperties) const
+{
+	Q_UNUSED(viewProperties);
+	return formatString.arg(value.template value<T>());
+}
+
 }
 
 #endif // QTMVVM_INPUTVIEWFACTORY_H

src/mvvmquick/inputviewfactory_p.h

@@ -9,10 +9,14 @@ namespace QtMvvm {
 class InputViewFactoryPrivate
 {
 public:
+	InputViewFactoryPrivate();
+
 	QHash<QByteArray, QUrl> simpleInputs;
 	QHash<QByteArray, QUrl> simpleDelegates;
+	QHash<QByteArray, QSharedPointer<Formatter>> formatters;
 	QHash<QByteArray, QByteArray> inputAliases;
 	QHash<QByteArray, QByteArray> delegateAliases;
+	QHash<QByteArray, QByteArray> formatterAliases;
 };
 
 }

src/mvvmquick/mvvmquick.pro

@@ -7,7 +7,8 @@ HEADERS += \
 	quickpresenter.h \
 	quickpresenter_p.h \
 	inputviewfactory.h \
-	inputviewfactory_p.h
+	inputviewfactory_p.h \
+    formatters_p.h
 
 SOURCES += \
 	quickpresenter.cpp \