X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms.jcr.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fviewers%2FJcrVersionCmsEditable.java;fp=org.argeo.cms.jcr.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fviewers%2FJcrVersionCmsEditable.java;h=298fbdea9b6d3dd2b58fc6e01d50a5cb954c58b8;hb=bce03099b0d2f1758e7a3d74fba339d0200924d5;hp=0000000000000000000000000000000000000000;hpb=0ea2992e5f3803cd98b5981f27274faa922bc199;p=gpl%2Fargeo-jcr.git

diff --git a/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/viewers/JcrVersionCmsEditable.java b/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/viewers/JcrVersionCmsEditable.java
new file mode 100644
index 0000000..298fbde
--- /dev/null
+++ b/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/viewers/JcrVersionCmsEditable.java
@@ -0,0 +1,94 @@
+package org.argeo.cms.ui.viewers;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.nodetype.NodeType;
+import javax.jcr.version.VersionManager;
+
+import org.argeo.api.cms.ux.CmsEditionEvent;
+import org.argeo.cms.ux.AbstractCmsEditable;
+import org.argeo.jcr.JcrException;
+import org.eclipse.rap.rwt.RWT;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Listener;
+
+/** Provides the CmsEditable semantic based on JCR versioning. */
+public class JcrVersionCmsEditable extends AbstractCmsEditable {
+	private final String nodePath;// cache
+	private final VersionManager versionManager;
+	private final Boolean canEdit;
+
+	public JcrVersionCmsEditable(Node node) throws RepositoryException {
+		this.nodePath = node.getPath();
+		if (node.getSession().hasPermission(node.getPath(), Session.ACTION_SET_PROPERTY)) {
+			// was Session.ACTION_ADD_NODE
+			canEdit = true;
+			if (!node.isNodeType(NodeType.MIX_VERSIONABLE)) {
+				node.addMixin(NodeType.MIX_VERSIONABLE);
+				node.getSession().save();
+			}
+			versionManager = node.getSession().getWorkspace().getVersionManager();
+		} else {
+			canEdit = false;
+			versionManager = null;
+		}
+
+		// bind keys
+		if (canEdit) {
+			Display display = Display.getCurrent();
+			display.setData(RWT.ACTIVE_KEYS, new String[] { "CTRL+RETURN", "CTRL+E" });
+			display.addFilter(SWT.KeyDown, new Listener() {
+				private static final long serialVersionUID = -4378653870463187318L;
+
+				public void handleEvent(Event e) {
+					boolean ctrlPressed = (e.stateMask & SWT.CTRL) != 0;
+					if (ctrlPressed && e.keyCode == '\r')
+						stopEditing();
+					else if (ctrlPressed && e.keyCode == 'E')
+						stopEditing();
+				}
+			});
+		}
+	}
+
+	@Override
+	public Boolean canEdit() {
+		return canEdit;
+	}
+
+	public Boolean isEditing() {
+		try {
+			if (!canEdit())
+				return false;
+			return versionManager.isCheckedOut(nodePath);
+		} catch (RepositoryException e) {
+			throw new JcrException("Cannot check whether " + nodePath + " is editing", e);
+		}
+	}
+
+	@Override
+	public void startEditing() {
+		try {
+			versionManager.checkout(nodePath);
+//			setChanged();
+		} catch (RepositoryException e1) {
+			throw new JcrException("Cannot publish " + nodePath, e1);
+		}
+		notifyListeners(new CmsEditionEvent(nodePath, CmsEditionEvent.START_EDITING, this));
+	}
+
+	@Override
+	public void stopEditing() {
+		try {
+			versionManager.checkin(nodePath);
+//			setChanged();
+		} catch (RepositoryException e1) {
+			throw new JcrException("Cannot publish " + nodePath, e1);
+		}
+		notifyListeners(new CmsEditionEvent(nodePath, CmsEditionEvent.STOP_EDITING, this));
+	}
+
+}