// **********************************************************************
//
// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceGrid.TreeNode;

import java.awt.Component;
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.JToggleButton;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.factories.Borders;
import com.jgoodies.forms.layout.FormLayout;
import IceGrid.SimpleInternalFrame;

import IceGrid.IceBoxDescriptor;
import IceGrid.Model;
import IceGrid.ServerDescriptor;
import IceGrid.TemplateDescriptor;
import IceGrid.TreeModelI;
import IceGrid.ServerDynamicInfo;
import IceGrid.TemplateDescriptor;
import IceGrid.Utils;


class ServerTemplate extends EditableParent
{
    static public TemplateDescriptor
    copyDescriptor(TemplateDescriptor templateDescriptor)
    {
	TemplateDescriptor copy = (TemplateDescriptor)
	    templateDescriptor.clone();

	copy.descriptor = Server.copyDescriptor(
	    (ServerDescriptor)copy.descriptor);
	return copy;
    }

    //
    // Actions
    //
    public boolean[] getAvailableActions()
    {
	boolean[] actions = new boolean[ACTION_COUNT];
	actions[COPY] = true;
	if(_parent.getAvailableActions()[PASTE])
	{
	    actions[PASTE] = true;
	}
	actions[DELETE] = true;
	return actions;
    }
    public void copy()
    {
	_model.setClipboard(copyDescriptor(_templateDescriptor));
	_model.getActions()[PASTE].setEnabled(true);
    }
    public void paste()
    {
	_parent.paste();
    }

    public void displayProperties()
    {
	SimpleInternalFrame propertiesFrame = _model.getPropertiesFrame();
	propertiesFrame.setTitle("Properties for " + _id);
       
	if(_editor == null)
	{
	    _editor = new ServerTemplateEditor(_model.getMainFrame());
	}
	_editor.show(this);
	propertiesFrame.setContent(_editor.getComponent());
	
	propertiesFrame.validate();
	propertiesFrame.repaint();
    }

    public boolean destroy()
    {
	ServerTemplates serverTemplates = (ServerTemplates)_parent;

	if(serverTemplates != null && _ephemeral)
	{
	    serverTemplates.removeChild(this, true);
	    return true;
	}
	else if(serverTemplates != null && _model.canUpdate())
	{
	    serverTemplates.removeDescriptor(_id);
	    getApplication().removeServerInstances(_id);
	    serverTemplates.removeElement(this, true);
	    return true;
	}
	else
	{
	    return false;
	}
    }

    public boolean isEphemeral()
    {
	return _ephemeral;
    }

    public java.util.List findAllInstances(CommonBase child)
    {
	java.util.List result = super.findAllInstances(child);
	
	java.util.List serverInstances = 
	    getApplication().findServerInstances(_id);

	java.util.Iterator p = serverInstances.iterator();
	while(p.hasNext())
	{
	    Server server = (Server)p.next();
	    result.addAll(server.findChildrenWithType(child.getClass()));
	}

	return result;
    }

    public PropertiesHolder getPropertiesHolder()
    {
	return _propertiesHolder;
    }

    public Object getDescriptor()
    {
	return _templateDescriptor;
    }

    public Object saveDescriptor()
    {
	//
	// Shallow copy
	//
	TemplateDescriptor clone = (TemplateDescriptor)_templateDescriptor.clone();
	clone.descriptor = (ServerDescriptor)_templateDescriptor.descriptor.clone();
	return clone;
    }
    
    public void restoreDescriptor(Object savedDescriptor)
    {
	TemplateDescriptor clone = (TemplateDescriptor)savedDescriptor;
	//
	// Keep the same object
	//
	_templateDescriptor.parameters = clone.parameters;

	Server.shallowRestore((ServerDescriptor)clone.descriptor,
			      (ServerDescriptor)_templateDescriptor.descriptor);
    }

     //
    // Application is needed to lookup service templates
    //
    ServerTemplate(boolean brandNew, String name, TemplateDescriptor descriptor, 
		   Application application)
	throws UpdateFailedException
    {
	super(brandNew, name, application.getModel());
	_ephemeral = false;
	rebuild(descriptor, application);
    }

    ServerTemplate(String name, TemplateDescriptor descriptor,
		   Application application)
    {
	super(false, name, application.getModel());
	_ephemeral = true;
	try
	{
	    rebuild(descriptor, application);
	}
	catch(UpdateFailedException e)
	{
	    assert false;
	}
    }

    java.util.List findServiceInstances(String template)
    {
	if(_services != null)
	{
	    return _services.findServiceInstances(template);
	}
	else
	{
	    return new java.util.LinkedList();
	}
    }
    
    void rebuild(TemplateDescriptor descriptor, Application application)
	throws UpdateFailedException
    {
	_templateDescriptor = descriptor;
	_propertiesHolder = new PropertiesHolder(_templateDescriptor.descriptor);
	clearChildren();

	if(_ephemeral)
	{
	    _adapters = null;
	    _dbEnvs = null;
	    _services = null;
	}
	else
	{ 
	    if(_templateDescriptor.descriptor instanceof IceBoxDescriptor)
	    {
		_iceBoxDescriptor = (IceBoxDescriptor)_templateDescriptor.descriptor;
		
		_services = new Services(_iceBoxDescriptor.services, true, null, 
					 application);
		addChild(_services);
		
		assert _templateDescriptor.descriptor.dbEnvs.size() == 0;
		_dbEnvs = null;
	    }
	    else
	    {
		_services = null;
		_iceBoxDescriptor = null;
		
		_dbEnvs = new DbEnvs(_templateDescriptor.descriptor.dbEnvs, true,
				     null, _model);
		addChild(_dbEnvs);
	    }
	    
	    _adapters = new Adapters(_templateDescriptor.descriptor.adapters, true, 
				     _services != null, null, _model);
	    addChild(_adapters);
	}
    }

    void removeServiceInstances(String template)
    {
	if(_services != null)
	{
	    _services.removeServiceInstances(template);
	}
    }

    private TemplateDescriptor _templateDescriptor;
    private IceBoxDescriptor _iceBoxDescriptor;

    private Services _services;
    private Adapters _adapters;
    private DbEnvs _dbEnvs;

    private PropertiesHolder _propertiesHolder;
    private final boolean _ephemeral;

    static private ServerTemplateEditor _editor;
}