source/com/c2kernel/gui/data/NodeCollection.java


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package com.c2kernel.gui.data;

import java.util.ArrayList;

import javax.swing.tree.DefaultMutableTreeNode;

import com.c2kernel.collection.CollectionMember;
import com.c2kernel.collection.Parent2ChildCollection;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.proxy.ItemProxy;
import com.c2kernel.gui.EntityTabManager;
import com.c2kernel.lookup.EntityPath;
import com.c2kernel.lookup.InvalidEntityPathException;
import com.c2kernel.utils.Logger;

public class NodeCollection extends Node {

    ItemProxy parent;
    Parent2ChildCollection<?> thisCollection;
    String path;

    public NodeCollection(ItemProxy parent, String name, EntityTabManager desktop) {
    	this.desktop = desktop;
        this.parent = parent;
        this.name = name;
        this.path = parent.getSystemKey()+"/Collection/"+name;
        createTreeNode();
        this.makeExpandable();
    }

    @Override
	public void loadChildren() {
        Logger.msg(8, "NodeCollection::loadChildren()");
        try {
            thisCollection = (Parent2ChildCollection<?>)parent.getObject("Collection/"+name);
        } catch (ObjectNotFoundException ex) {
            end(false);
            return;
        }

        this.type = thisCollection.getClass().getName();
        int lastDot = this.type.lastIndexOf('.');
        if (lastDot > -1) this.type = this.type.substring(lastDot+1);
        ArrayList<?> collectionMembers = thisCollection.getMembers().list;
        for (int i=0; i<collectionMembers.size(); i++)
        {
			CollectionMember aMember = (CollectionMember)collectionMembers.get(i);
            if (aMember!=null)
                try
                {
                    EntityPath entityPath = new EntityPath(aMember.getEntityKey());
                    add(new NodeItem(entityPath, desktop));
                }
                catch (InvalidEntityPathException ex)
                {
                    Logger.error("InvalidEntityPathException::NodeCollection::loadChildren() " + ex.toString());
                }
        }

        end(false);

    }

    @Override
	public DefaultMutableTreeNode getTreeNode() {
        return treeNode;
    }
}