initial quantum version

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.quantum.sql / src / com / quantum / actions / PrevSequenceAction.java

diff --git a/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/actions/PrevSequenceAction.java b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/actions/PrevSequenceAction.java
new file mode 100644 (file)
index 0000000..875df6d
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/actions/PrevSequenceAction.java
@@ -0,0 +1,44 @@
+/*
+ * Created on 22-jul-2003
+ *
+ */
+package com.quantum.actions;
+
+import com.quantum.Messages;
+import com.quantum.QuantumPlugin;
+import com.quantum.adapters.AdapterFactory;
+import com.quantum.adapters.DatabaseAdapter;
+import com.quantum.model.Bookmark;
+import com.quantum.sql.SQLResults;
+import com.quantum.view.ViewHelper;
+import com.quantum.view.bookmark.EntityNode;
+import com.quantum.view.tableview.TableView;
+
+import org.eclipse.ui.IViewPart;
+
+public class PrevSequenceAction extends BaseSequenceAction {
+       /**
+     * @param text
+     * @param view
+     */
+    public PrevSequenceAction(IViewPart view) {
+        super(Messages.getString(PrevSequenceAction.class.getName() + ".text"), view);
+        setImageDescriptor(QuantumPlugin.getImageDescriptor("grid.gif"));
+    }
+
+    public void run() {
+               EntityNode node = getEntityNode();
+               if (((EntityNode) node).isSequence()) {
+            EntityNode sequence = (EntityNode) node;
+                       Bookmark bookmark = sequence.getBookmark();
+                       DatabaseAdapter adapter = AdapterFactory.getInstance().getAdapter(
+                bookmark.getType());
+                       if (adapter == null) return;
+                       String name = sequence.getName();
+                       String query = adapter.getPrevValue(name, sequence.getEntity().getSchema());
+                       SQLResults results = ViewHelper.tryGetResults(view, getConnection(), query);
+                       if (results != null && ! results.isError()) 
+                               TableView.getInstance().loadQuery(bookmark, results);
+               }
+       }
+}