Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / swt / org.argeo.tool.devops.e4 / src / org / argeo / cms / ui / jcr / JcrBrowserUtils.java

diff --git a/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/JcrBrowserUtils.java b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/JcrBrowserUtils.java
new file mode 100644 (file)
index 0000000..b36acc3
--- /dev/null
+++ b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/JcrBrowserUtils.java
@@ -0,0 +1,68 @@
+package org.argeo.cms.ui.jcr;
+
+import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.PropertyType;
+import javax.jcr.RepositoryException;
+
+import org.argeo.cms.ui.jcr.model.RepositoriesElem;
+import org.argeo.cms.ui.jcr.model.RepositoryElem;
+import org.argeo.cms.ui.jcr.model.SingleJcrNodeElem;
+import org.argeo.cms.ui.jcr.model.WorkspaceElem;
+import org.argeo.cms.ux.widgets.TreeParent;
+import org.argeo.eclipse.ui.EclipseUiException;
+
+/** Useful methods to manage the JCR Browser */
+public class JcrBrowserUtils {
+
+       public static String getPropertyTypeAsString(Property prop) {
+               try {
+                       return PropertyType.nameFromValue(prop.getType());
+               } catch (RepositoryException e) {
+                       throw new EclipseUiException("Cannot check type for " + prop, e);
+               }
+       }
+
+       /** Insure that the UI component is not stale, refresh if needed */
+       public static void forceRefreshIfNeeded(TreeParent element) {
+               Node curNode = null;
+
+               boolean doRefresh = false;
+
+               try {
+                       if (element instanceof SingleJcrNodeElem) {
+                               curNode = ((SingleJcrNodeElem) element).getNode();
+                       } else if (element instanceof WorkspaceElem) {
+                               curNode = ((WorkspaceElem) element).getRootNode();
+                       }
+
+                       if (curNode != null && element.getChildren().length != curNode.getNodes().getSize())
+                               doRefresh = true;
+                       else if (element instanceof RepositoryElem) {
+                               RepositoryElem rn = (RepositoryElem) element;
+                               if (rn.isConnected()) {
+                                       String[] wkpNames = rn.getAccessibleWorkspaceNames();
+                                       if (element.getChildren().length != wkpNames.length)
+                                               doRefresh = true;
+                               }
+                       } else if (element instanceof RepositoriesElem) {
+                               doRefresh = true;
+                               // Always force refresh for RepositoriesElem : the condition
+                               // below does not take remote repository into account and it is
+                               // not trivial to do so.
+
+                               // RepositoriesElem rn = (RepositoriesElem) element;
+                               // if (element.getChildren().length !=
+                               // rn.getRepositoryRegister()
+                               // .getRepositories().size())
+                               // doRefresh = true;
+                       }
+                       if (doRefresh) {
+                               element.clearChildren();
+                               element.getChildren();
+                       }
+               } catch (RepositoryException re) {
+                       throw new EclipseUiException("Unexpected error while synchronising the UI with the JCR repository", re);
+               }
+       }
+}