[496057] Add support for advanced custom widgets

1) Add a new reference widget configured using the name of an EReference
2) Add the method getEditingDomain() on EditingContextAdapter
3) Fix a potential NPE with the lifecycle manager providers

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=496057
Change-Id: Ib6597e1df8caa345c5e89fe44a6b40eee30d63e2
Signed-off-by: Stéphane Bégaudeau <stephane.begaudeau@obeo.fr>

1 files changed, 43 insertions, 0 deletions

diff --git a/features/org.eclipse.eef.ext.widgets.reference-feature/feature.xml b/features/org.eclipse.eef.ext.widgets.reference-feature/feature.xml
new file mode 100644
index 000000000..8da0a07f4
--- /dev/null
+++ b/features/org.eclipse.eef.ext.widgets.reference-feature/feature.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<feature
+      id="org.eclipse.eef.ext.widgets.reference.feature"
+      label="%featureName"
+      version="1.7.0.qualifier"
+      provider-name="%featureProvider"
+      license-feature="org.eclipse.license"
+      license-feature-version="0.0.0">
+
+   <description url="%descriptionUrl">
+      %description
+   </description>
+
+   <copyright url="%copyrightUrl">
+      %copyright
+   </copyright>
+
+   <license url="%licenseUrl">
+      %license
+   </license>
+
+   <plugin
+         id="org.eclipse.eef.core.ext.widgets.reference"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.eclipse.eef.ext.widgets.reference"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.eclipse.eef.ide.ui.ext.widgets.reference"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+</feature>