Quantum version 2.4.2

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.quantum.sql / src / com / quantum / view / bookmark / DeleteAction.java

diff --git a/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/DeleteAction.java b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/DeleteAction.java
new file mode 100644 (file)
index 0000000..c38ba7a
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/bookmark/DeleteAction.java
@@ -0,0 +1,88 @@
+package com.quantum.view.bookmark;
+
+import java.util.Iterator;
+import java.util.List;
+
+import com.quantum.ImageStore;
+import com.quantum.Messages;
+import com.quantum.model.BookmarkCollection;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.actions.SelectionListenerAction;
+
+/**
+ * @author root
+ *
+ */
+public class DeleteAction extends SelectionListenerAction {
+    
+    private IViewPart view;
+    
+       public DeleteAction(IViewPart view, ISelectionProvider selectionProvider) {
+        super(Messages.getString(DeleteAction.class.getName() + ".text"));
+        setImageDescriptor(ImageStore.getImageDescriptor(ImageStore.DELETE));
+               this.view = view;
+               selectionProvider.addSelectionChangedListener(this);
+       }
+
+       public void run() {
+               if (isEachSelectionInstanceOf(getSelectedNonResources().iterator(), BookmarkNode.class)) {
+                       deleteBookmarks();
+               } else if (isEachSelectionInstanceOf(getSelectedNonResources().iterator(), QueryNode.class)) {
+                       deleteQueries();
+               }
+       }
+
+       /**
+        * 
+        */
+       private void deleteQueries() {
+               List nodes = getSelectedNonResources();
+               for (Iterator i = nodes.iterator(); i.hasNext();) {
+                   QueryNode queryNode = (QueryNode) i.next();
+                   if (queryNode != null) {
+                       queryNode.getBookmark().removeQuery(queryNode.getQuery());
+                   }
+               }
+       }
+
+       /**
+        * 
+        */
+       private void deleteBookmarks() {
+               List bookmarkNodes = getSelectedNonResources();
+               boolean flag = MessageDialog.openConfirm(view.getSite().getShell(), 
+                               Messages.getString(getClass(), "confirmTitle"), 
+                               Messages.getString(getClass(), "confirmText")); 
+
+               for (Iterator i = bookmarkNodes.iterator(); flag && i.hasNext();) {
+                   BookmarkNode bookmarkNode = (BookmarkNode) i.next();
+                   if (bookmarkNode != null) {
+                       BookmarkCollection.getInstance().removeBookmark(bookmarkNode.getBookmark());
+                   }
+               }
+       }
+
+       public boolean updateSelection(IStructuredSelection selection) {
+        return isEachSelectionInstanceOf(selection.iterator(), BookmarkNode.class) || 
+                       isEachSelectionInstanceOf(selection.iterator(), QueryNode.class);
+       }
+
+       /**
+        * @param selection
+        * @param enabled
+        * @param selectionClass
+        * @return
+        */
+       private boolean isEachSelectionInstanceOf(Iterator selection, Class selectionClass) {
+               boolean result = true;
+               for (Iterator i = selection; result && i.hasNext(); ) {
+            result &= (selectionClass.isInstance(i.next()));
+        }
+               return result;
+       }
+
+}