X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=swt%2Forg.argeo.tool.devops.e4%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fjcr%2FJcrBrowserUtils.java;fp=swt%2Forg.argeo.tool.devops.e4%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fjcr%2FJcrBrowserUtils.java;h=b36acc36831782428c1f856e0b550c42f2ac7d57;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git

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
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);
+		}
+	}
+}