Add initial version of regions to source control

[simantics/district.git] / org.simantics.district.region.ui / src / org / simantics / district / region / ui / handlers / RemoveRegionHandler.java

diff --git a/org.simantics.district.region.ui/src/org/simantics/district/region/ui/handlers/RemoveRegionHandler.java b/org.simantics.district.region.ui/src/org/simantics/district/region/ui/handlers/RemoveRegionHandler.java
new file mode 100644 (file)
index 0000000..46b11a2
--- /dev/null
+++ b/org.simantics.district.region.ui/src/org/simantics/district/region/ui/handlers/RemoveRegionHandler.java
@@ -0,0 +1,39 @@
+package org.simantics.district.region.ui.handlers;
+
+import javax.inject.Named;
+
+import org.eclipse.e4.core.di.annotations.CanExecute;
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.services.IServiceConstants;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.swt.widgets.Shell;
+import org.simantics.Simantics;
+import org.simantics.db.request.Write;
+import org.simantics.district.region.DiagramRegions;
+import org.simantics.district.region.DiagramRegions.DiagramRegion;
+import org.simantics.utils.ui.ISelectionUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class RemoveRegionHandler {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(RemoveRegionHandler.class);
+    public static final String COMMAND_ID = "org.simantics.district.region.ui.command.removeRegion";
+    public static final String LABEL = "Remove Region";
+
+    @CanExecute
+    public boolean canExecute() {
+        return true;
+    }
+
+    @Execute
+    public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell activeShell,
+            @Named(IServiceConstants.ACTIVE_PART) MPart part,
+            @Named(IServiceConstants.ACTIVE_SELECTION) ISelection selection) {
+        DiagramRegion region = ISelectionUtils.filterSingleSelection(selection, DiagramRegion.class);
+        Simantics.getSession().asyncRequest((Write) graph -> {
+            DiagramRegions.removeRegion(graph, region.getResource());
+        });
+    }
+}