InstanceAssignDialog.java

package com.radicaldynamic.gcmobile.android.dialogs;

import java.util.ArrayList;
import java.util.List;

import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.DialogInterface.OnMultiChoiceClickListener;
import android.widget.Toast;

import com.radicaldynamic.groupinform.R;
import com.radicaldynamic.groupinform.application.Collect;
import com.radicaldynamic.groupinform.documents.FormInstance;
import com.radicaldynamic.groupinform.logic.AccountDevice;

public class InstanceAssignDialog extends Builder 
{
    private List<AccountDevice> deviceList = new ArrayList<AccountDevice>();
        
    private CharSequence [] items;
    boolean [] checkedItems;

    public InstanceAssignDialog(final Context context, final FormInstance fi)
    {
        super(context);
        
        deviceList = new ArrayList<AccountDevice>(Collect.getInstance().getInformOnlineState().getAccountDevices().values());
        items = new CharSequence[deviceList.size()];
        checkedItems = new boolean[deviceList.size()];
        
        int i = 0;
        
        for (AccountDevice d : deviceList) {
            if (fi.getAssignedTo() != null) {
                if (fi.getAssignedTo().contains(d.getId()))
                    checkedItems[i] = true;
                else 
                    checkedItems[i] = false;
            }
            
            items[i++] = d.getDisplayName();
        }
        
        setTitle(context.getString(R.string.tf_select_devices));
        
        setMultiChoiceItems(items, checkedItems, new OnMultiChoiceClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                checkedItems[which] = isChecked;
            }
        });
        
        setNegativeButton(context.getString(R.string.cancel), new OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();      
            }
        });
        
        setPositiveButton(context.getString(R.string.tf_save), new OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                fi.setAssignedTo(new ArrayList<String>());
                
                int i = 0;
                
                for (AccountDevice d : deviceList) {
                    if (checkedItems[i++] == true)
                        fi.getAssignedTo().add(d.getId());
                }
                
                Toast.makeText(context, "Assignment updated", Toast.LENGTH_LONG).show();
                dialog.dismiss();               
            }
        });
    }
}