Expose findChild, findChildren methods to JS

Re-add the findChild, findChildren methods known from Qt Script.

Change-Id: I3db6be53ccd89a09b2c7de14ba7f96ebb26dbdbb
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@theqtcompany.com>
Reviewed-by: Niels Weber <niels.weber@theqtcompany.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/libs/installer/scriptengine.cpp b/src/libs/installer/scriptengine.cpp
index c67295f57..d15357e0d 100644
--- a/src/libs/installer/scriptengine.cpp
+++ b/src/libs/installer/scriptengine.cpp
@@ -225,6 +225,22 @@ namespace QInstaller {
 */
 
 /*!
+    \qmlmethod object gui::findChild(object parent, string objectName)
+
+    Returns the first descendant of \a parent that has \a objectName as name.
+
+    \sa QObject::findChild
+*/
+
+/*!
+    \qmlmethod object[] gui::findChildren(object parent, string objectName)
+
+    Returns all descendants of \a parent that have \a objectName as name.
+
+    \sa QObject::findChildren
+*/
+
+/*!
     \qmlsignal gui::interrupted()
 */
 
@@ -293,6 +309,21 @@ ScriptEngine::ScriptEngine(PackageManagerCore *core)
         proxy.property(QLatin1String("componentByName")));
 }
 
+QJSValue ScriptEngine::newQObject(QObject *object)
+{
+    QJSValue obj = m_engine.newQObject(object);
+
+    // add findChild(), findChildren() methods known from QtScript
+    QJSValue findChild = m_engine.evaluate(
+                QLatin1String("(function() { return gui.findChild(this, arguments[0]); })"));
+    QJSValue findChildren = m_engine.evaluate(
+                QLatin1String("(function() { return gui.findChildren(this, arguments[0]); })"));
+    obj.setProperty(QLatin1String("findChild"), findChild);
+    obj.setProperty(QLatin1String("findChildren"), findChildren);
+
+    return obj;
+}
+
 QJSValue ScriptEngine::evaluate(const QString &program, const QString &fileName, int lineNumber)
 {
     return m_engine.evaluate(program, fileName, lineNumber);