1 files changed, 132 insertions, 0 deletions
diff --git a/core/bundles/org.eclipse.wst.ws.explorer/src/org/eclipse/wst/ws/internal/explorer/platform/actions/NodeAction.java b/core/bundles/org.eclipse.wst.ws.explorer/src/org/eclipse/wst/ws/internal/explorer/platform/actions/NodeAction.java
new file mode 100644
index 000000000..cb44a618f
--- /dev/null
+++ b/core/bundles/org.eclipse.wst.ws.explorer/src/org/eclipse/wst/ws/internal/explorer/platform/actions/NodeAction.java
@@ -0,0 +1,132 @@
+/*******************************************************************************
+ * Copyright (c) 2001, 2006 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.wst.ws.internal.explorer.platform.actions;
+
+import javax.servlet.http.HttpServletRequest;
+import org.eclipse.wst.ws.internal.explorer.platform.constants.ActionInputs;
+import org.eclipse.wst.ws.internal.explorer.platform.perspective.Controller;
+import org.eclipse.wst.ws.internal.explorer.platform.perspective.Node;
+import org.eclipse.wst.ws.internal.explorer.platform.perspective.NodeManager;
+
+public abstract class NodeAction extends LinkAction
+{
+  protected NodeManager nodeManager_;
+  private boolean requiresTreeViewRefresh_;
+  private boolean requiresNodeSelection_;
+  private boolean requiresViewSelection_;
+  private boolean requiresStatusUpdate_;
+
+  public NodeAction(Controller controller,NodeManager nodeManager)
+  {
+    super(controller);
+    nodeManager_ = nodeManager;
+    requiresTreeViewRefresh_ = false;
+    requiresNodeSelection_ = false;
+    requiresViewSelection_ = false;
+    requiresStatusUpdate_ = false;
+  }
+
+  // ...jsp?nodeId=...<&isHistory=1>
+  protected boolean processLinkParameters(HttpServletRequest request)
+  {
+    String nodeIdString = request.getParameter(ActionInputs.NODEID);
+    // Perform data validation.
+    try
+    {
+      Integer.parseInt(nodeIdString);
+    }
+    catch (NumberFormatException e)
+    {
+      // Validation failed!
+      return false;
+    }
+    propertyTable_.put(ActionInputs.NODEID,nodeIdString);
+    return true;
+  }
+
+  protected final boolean isStaleNode(int nodeId)
+  {
+    return (nodeManager_.getNode(nodeId) == null);
+  }
+
+  /**
+  * Make a node visible. A node is visible when all of its ancestors are expanded.
+  * @param Node The node to be made visible.
+  * @return boolean Indicator for whether or not the tree structure was changed (i.e. expanded to show the node in question).
+  */
+  protected final boolean makeNodeVisible(Node node)
+  {
+    requiresTreeViewRefresh_ = node.getNodeManager().makeNodeVisible(node);
+    return requiresTreeViewRefresh_;
+  }
+
+  /**
+   * Make a node visible. A node is visible when all of its ancestors are expanded.
+   * @param Node The node to be made visible.
+   * @return boolean Indicator for whether or not the tree structure was changed (i.e. expanded to show the node in question).
+   */
+   public final void setTreeRefreshNeeded()
+   {
+     requiresTreeViewRefresh_ = true;
+     
+   }
+  
+  /**
+  * Select a node with id nodeId.
+  * @param int The id of the node to be selected.
+  */
+  protected final void setSelectedNodeId(int nodeId)
+  {
+    if (nodeManager_.getSelectedNodeId() != nodeId)
+    {
+      requiresNodeSelection_ = true;
+      nodeManager_.setSelectedNodeId(nodeId);
+    }
+  }
+
+  protected final void setSelectedViewId(int viewId)
+  {
+    Node selectedNode = nodeManager_.getSelectedNode();
+    if (selectedNode.getViewId() != viewId)
+    {
+      requiresViewSelection_ = true;
+      selectedNode.setViewId(viewId);
+    }
+  }
+
+  // Determine whether or not the treeview requires reloading as a result of this action.
+  // Reloading is required when branches are added/removed.
+  public boolean requiresTreeViewRefresh()
+  {
+    return requiresTreeViewRefresh_;
+  }
+
+  // Determine whether or not a new node has been selected as a result of the action.
+  public boolean requiresNodeSelection()
+  {
+    return requiresNodeSelection_;
+  }
+
+  // Determine if a new view element is selected.
+  public boolean requiresViewSelection()
+  {
+    return requiresViewSelection_;
+  }
+
+  // Determine if any status messages arose from this action.
+  public boolean requiresStatusUpdate()
+  {
+    return requiresStatusUpdate_;
+  }
+
+  protected abstract String getActionLinkForHistory();
+}