source: trunk/gli/src/org/greenstone/gatherer/file/WorkspaceTreeModel.java@ 5898

package org.greenstone.gatherer.file;

import org.greenstone.gatherer.collection.CollectionManager;
import org.greenstone.gatherer.file.FileNode;
import org.greenstone.gatherer.gui.MirrorPane;
import org.greenstone.gatherer.util.SynchronizedTreeModelTools;


public class WorkspaceTreeModel
    extends FileSystemModel {

    static private FileNode workspace_tree_root = null;
    static private WorkspaceTreeModel workspace_tree_model = null;
    static private FileNode greenstone_collections_mapping = null;
    static private FileNode public_web_cache_mapping = null;
    static private FileNode private_web_cache_mapping = null;
    static private FileNode[] collection_specific_mappings = null;


    public WorkspaceTreeModel(FileNode root)
    {
    super(root);
    }


    static public WorkspaceTreeModel getWorkspaceTreeModel()
    {
    // Create a root node to contain the various nodes in the workspace tree
    workspace_tree_root = new FileNode("ABS_ROOT");
    workspace_tree_model = new WorkspaceTreeModel(workspace_tree_root);

    // Add the Greenstone Collections mapping
    greenstone_collections_mapping = CollectionManager.getGreenstoneCollectionsMapping();
    workspace_tree_root.insert(greenstone_collections_mapping);

    // Add the local filespace
    workspace_tree_root.insert(FileSystem.getLocalFileSystem(workspace_tree_model));

    // Add a mapping to the user home folder
    workspace_tree_root.insert(FileSystem.getUserHomeMapping());

    // Add public and private web caches if applicable
    loadWebCacheMappings();

    // Add any collection specific mappings
    loadCollectionSpecificMappings();

    return workspace_tree_model;
    }


    static private void loadWebCacheMappings()
    {
    // If mirroring is enabled show the public and private caches
    public_web_cache_mapping = MirrorPane.getPublicWebCacheMapping();
    if (public_web_cache_mapping != null) {
        workspace_tree_root.insert(public_web_cache_mapping);
    }
    private_web_cache_mapping = MirrorPane.getPrivateWebCacheMapping();
    if (private_web_cache_mapping != null) {
        workspace_tree_root.insert(private_web_cache_mapping);
    }
    }


    static private void loadCollectionSpecificMappings()
    {
    // Add the current collection specific mappings
    collection_specific_mappings = CollectionManager.getCollectionSpecificMappings();
    if (collection_specific_mappings != null) {
        for (int i = 0; i < collection_specific_mappings.length; i++) {
        SynchronizedTreeModelTools.insertNodeInto(workspace_tree_model,
                              workspace_tree_root,
                              collection_specific_mappings[i]);
        }
    }
    }


    // !! NEEDS WORK !!
    static public void refreshGreenstoneCollectionsMapping()
    {
    greenstone_collections_mapping.unmap();
    greenstone_collections_mapping.map();
    }


    // !! NEEDS WORK !!
    static public void refreshWebCacheMappings()
    {
    if (public_web_cache_mapping != null) {
        SynchronizedTreeModelTools.removeNodeFromParent(workspace_tree_model,
                                public_web_cache_mapping);
    }
    if (private_web_cache_mapping != null) {
        SynchronizedTreeModelTools.removeNodeFromParent(workspace_tree_model,
                                private_web_cache_mapping);
    }

    loadWebCacheMappings();
    }


    // !! NEEDS WORK !!
    static public void refreshCollectionSpecificMappings()
    {
    // Remove all the old collection specific mappings
    if (collection_specific_mappings != null) {
        for (int i = 0; i < collection_specific_mappings.length; i++) {
        SynchronizedTreeModelTools.removeNodeFromParent(workspace_tree_model,
                                collection_specific_mappings[i]);
        }
    }

    loadCollectionSpecificMappings();
    }
}