Synnefo » Pithos Android Client

package com.rackspacecloud.android;

import java.util.ArrayList;

import com.rackspace.cloud.loadbalancer.api.client.LoadBalancer;

import com.rackspace.cloud.loadbalancer.api.client.LoadBalancerManager;

import com.rackspace.cloud.loadbalancer.api.client.Node;

import com.rackspace.cloud.loadbalancers.api.client.http.LoadBalancersException;

import com.rackspace.cloud.servers.api.client.Server;

import android.app.AlertDialog;

import android.app.ListActivity;

import android.app.ProgressDialog;

import android.content.Context;

import android.content.DialogInterface;

import android.content.Intent;

import android.os.AsyncTask;

import android.os.Bundle;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuInflater;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.view.WindowManager;

import android.view.ViewGroup.LayoutParams;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.ListView;

import android.widget.ProgressBar;

import android.widget.TextView;

public class EditNodesActivity extends ListActivity {

        private static final int EDIT_NODE_CODE = 299;

        private static final int NODE_DELETED_CODE = 389;

        private static final int ADD_MORE_NODES_CODE = 165;

        private ArrayList<Node> nodes;

        private LoadBalancer loadBalancer;

        ProgressDialog pDialog;

        @SuppressWarnings("unchecked")

        @Override

        public void onCreate(Bundle savedInstanceState) {

                super.onCreate(savedInstanceState);

                setContentView(R.layout.addnodes);

                nodes = (ArrayList<Node>) this.getIntent().getExtras().get("nodes");

                loadBalancer = (LoadBalancer) this.getIntent().getExtras().get("loadBalancer");

                displayNodes();

                restoreState(savedInstanceState);

        }

        @Override

        protected void onSaveInstanceState(Bundle outState) {

                super.onSaveInstanceState(outState);

                outState.putSerializable("nodes", nodes);

        }

        @SuppressWarnings("unchecked")

        private void restoreState(Bundle state) {

                if (state != null && state.containsKey("nodes")){

                        nodes = (ArrayList<Node>) state.getSerializable("nodes");

                        displayNodes();

                }

                Button submitNodes = (Button) findViewById(R.id.submit_nodes_button);

                submitNodes.setOnClickListener(new OnClickListener() {

                        @Override

                        public void onClick(View v) {

                                Intent viewIntent = new Intent(getApplicationContext(), AddMoreNodesActivity.class);

                                viewIntent.putExtra("nodes", nodes);

                                viewIntent.putExtra("loadBalancer", loadBalancer);

                                startActivityForResult(viewIntent, ADD_MORE_NODES_CODE);

                        }

                });

        }

        private void displayNodes(){

                if (nodes.size() == 0) {

                        displayNoNodesCell();

                } else {

                        getListView().setDividerHeight(1); // restore divider lines

                        setListAdapter(new NodeAdapter());

                }

        }

        @Override

        public void onBackPressed(){

                setResult(RESULT_CANCELED);

                finish();

        }

        private void displayNoNodesCell() {

                String a[] = new String[1];

                a[0] = "No Nodes";

                setListAdapter(new ArrayAdapter<String>(this, R.layout.noserverscell, R.id.no_servers_label, a));

                getListView().setTextFilterEnabled(true);

                getListView().setDividerHeight(0); // hide the dividers so it won't look like a list row

                getListView().setItemsCanFocus(false);

        }

         protected void onListItemClick(ListView l, View v, int position, long id) {

                    if (nodes != null && nodes.size() > 0) {

                            Intent viewIntent = new Intent(this, EditNodeActivity.class);

                            viewIntent.putExtra("node", nodes.get(position));

                            viewIntent.putExtra("loadBalancer", loadBalancer);

                                startActivityForResult(viewIntent, EDIT_NODE_CODE); // arbitrary number; never used again

                    }

            }

        protected void showDialog() {

                pDialog = new ProgressDialog(this, R.style.NewDialog);

                // // Set blur to background

                WindowManager.LayoutParams lp = pDialog.getWindow().getAttributes();

                lp.dimAmount = 0.0f;

                pDialog.getWindow().setAttributes(lp);

                pDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);

                pDialog.show();

                pDialog.setContentView(new ProgressBar(this), new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));

        }

        private void showAlert(String title, String message) {

                AlertDialog alert = new AlertDialog.Builder(this).create();

                alert.setTitle(title);

                alert.setMessage(message);

                alert.setButton("OK", new DialogInterface.OnClickListener() {

                        public void onClick(DialogInterface dialog, int which) {

                                return;

                        } }); 

                alert.show();

        }

        // * Adapter/

        class NodeAdapter extends ArrayAdapter<Node> {

                NodeAdapter() {

                        super(EditNodesActivity.this, R.layout.displaynodecell, nodes);

                }

                public View getView(int position, View convertView, ViewGroup parent) {

                        final Node node = nodes.get(position);

                        LayoutInflater inflater = getLayoutInflater();

                        View row = inflater.inflate(R.layout.displaynodecell, parent, false);

                        TextView ipLabel = (TextView) row.findViewById(R.id.ip_address_text);

                        ipLabel.setText(node.getAddress());

                        TextView conditionLabel = (TextView) row.findViewById(R.id.condition_text);

                        conditionLabel.setText(node.getCondition());

                        TextView portLabel = (TextView) row.findViewById(R.id.port_text);

                        portLabel.setText(node.getPort());

                        /*

                        ImageView icon = (ImageView) row.findViewById(R.id.icon);

                        icon.setImageResource(server.getImage().iconResourceId());

                        */

                        return(row);

                }

        }

        /*

         * if the node has the same ip as

         * a node in the list remove it

         */

        private void removeFromList(Node node){

                for(int i = 0; i < nodes.size(); i++){

                        if(nodes.get(i).getAddress().equals(node.getAddress())){

                                nodes.remove(i);

                        }

                }

                displayNodes();

        }

        protected void onActivityResult(int requestCode, int resultCode, Intent data){

                 if(requestCode == EDIT_NODE_CODE && resultCode == NODE_DELETED_CODE){

                        Node node = (Node)data.getSerializableExtra("deletedNode");

                        removeFromList(node);

                 }

        }

}