[sitemap] Add releaseOnly parameter to Slider sitemap element

bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/SitemapResource.java

@@ -584,6 +584,7 @@ private PageDTO createPageBean(String sitemapName, @Nullable String title, @Null
         if (widget instanceof Slider sliderWidget) {
             bean.sendFrequency = sliderWidget.getFrequency();
             bean.switchSupport = sliderWidget.isSwitchEnabled();
+            bean.releaseOnly = sliderWidget.isReleaseOnly();
             bean.minValue = sliderWidget.getMinValue();
             bean.maxValue = sliderWidget.getMaxValue();
             bean.step = sliderWidget.getStep();

bundles/org.openhab.core.io.rest.sitemap/src/main/java/org/openhab/core/io/rest/sitemap/internal/WidgetDTO.java

@@ -55,6 +55,7 @@ public class WidgetDTO {
     // widget-specific attributes
     public final List<MappingDTO> mappings = new ArrayList<>();
     public Boolean switchSupport;
+    public Boolean releaseOnly;
     public Integer sendFrequency;
     public Integer refresh;
     public Integer height;

bundles/org.openhab.core.model.sitemap/src/org/openhab/core/model/sitemap/Sitemap.xtext

@@ -127,7 +127,8 @@ Slider:
         ('icon=[' (IconRules+=IconRule (',' IconRules+=IconRule)*) ']') |
         ('staticIcon=' staticIcon=Icon))? &
     ('sendFrequency=' frequency=INT)? & (switchEnabled?='switchSupport')? &
-    ('minValue=' minValue=Number)? & ('maxValue=' maxValue=Number)? & ('step=' step=Number)? &
+    (releaseOnly?='releaseOnly')? & ('minValue=' minValue=Number)? &
+    ('maxValue=' maxValue=Number)? & ('step=' step=Number)? &
     ('labelcolor=[' (LabelColor+=ColorArray (',' LabelColor+=ColorArray)*) ']')? &
     ('valuecolor=[' (ValueColor+=ColorArray (',' ValueColor+=ColorArray)*) ']')? &
     ('iconcolor=[' (IconColor+=ColorArray (',' IconColor+=ColorArray)*) ']')? &

bundles/org.openhab.core.ui/src/main/java/org/openhab/core/ui/internal/components/UIComponentSitemapProvider.java

@@ -240,6 +240,8 @@ protected Sitemap buildSitemap(RootUIComponent rootComponent) {
                 setWidgetPropertyFromComponentConfig(widget, component, "step", SitemapPackage.SLIDER__STEP);
                 setWidgetPropertyFromComponentConfig(widget, component, "switchEnabled",
                         SitemapPackage.SLIDER__SWITCH_ENABLED);
+                setWidgetPropertyFromComponentConfig(widget, component, "releaseOnly",
+                        SitemapPackage.SLIDER__RELEASE_ONLY);
                 setWidgetPropertyFromComponentConfig(widget, component, "sendFrequency",
                         SitemapPackage.SLIDER__FREQUENCY);
                 break;

bundles/org.openhab.core.ui/src/main/java/org/openhab/core/ui/internal/items/ItemUIRegistryImpl.java

@@ -284,6 +284,7 @@ private void applyConfig(@Nullable Map<String, Object> config) {
         } else if (DimmerItem.class.equals(itemType)) {
             Slider slider = SitemapFactory.eINSTANCE.createSlider();
             slider.setSwitchEnabled(true);
+            slider.setReleaseOnly(true);
             return slider;
         } else if (ImageItem.class.equals(itemType)) {
             return SitemapFactory.eINSTANCE.createImage();

bundles/org.openhab.core.ui/src/test/java/org/openhab/core/ui/internal/items/ItemUIRegistryImplTest.java

@@ -815,6 +815,7 @@ public void getDefaultWidgets() {
         defaultWidget = uiRegistry.getDefaultWidget(DimmerItem.class, ITEM_NAME);
         assertThat(defaultWidget, is(instanceOf(Slider.class)));
         assertThat(((Slider) defaultWidget).isSwitchEnabled(), is(true));
+        assertThat(((Slider) defaultWidget).isReleaseOnly(), is(true));
 
         defaultWidget = uiRegistry.getDefaultWidget(ImageItem.class, ITEM_NAME);
         assertThat(defaultWidget, is(instanceOf(Image.class)));