public void LoadData()
{
mapFunctionsClass = new MapFunctionsClass(gMapControl1); //instantiate the MapFunctionsClass helper class
toolStripStatusLabel1.Text = "Downloading latest phone log...";
NetworkClass.DownloadFile(settings.FileURL, this); //ask to download the phone log file. upon success, the FileDownloaded() callback method will be called
}
public void FileDownloaded(string contents)
{
toolStripStatusLabel1.Text = "Ready";
//process the string contents into a list of DataRows
List <DataRow> table = HelperFunctionsClass.getTableFromText(contents, toolStripTextBoxDataNumbersToLoad.Text);
if (table.Count > 0)
{
//process the list of DataRows into a list of ListViewItems
List <ListViewItem> listViewItems = HelperFunctionsClass.getListViewItemsFromTable(table);
//add the ListViewItems to the listview control
listView1.Items.Clear(); //clear pre-existing items from the listview table
listView1.Items.AddRange(listViewItems.ToArray());
//listView1.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize); apparently, this command is a CPU hog and makes the app's UI laggy while populating the listview table
toolStripStatusLabel2.Text = $"{listView1.Items.Count} records added!";
//center the map at the last position
mapFunctionsClass.centerMapAt(Double.Parse(table[table.Count - 1].Latitude), Double.Parse(table[table.Count - 1].Longitude));
//place markers for all positions
for (int i = 0; i < table.Count; i++)
{
DataRow dataRow = table[i];
mapFunctionsClass.putMarkerAt(i, dataRow.DateTime, Double.Parse(dataRow.Latitude), Double.Parse(dataRow.Longitude), GMarkerGoogleType.blue_pushpin);
mapFunctionsClass.setTooltipMode(showTooltipToolStripMenuItem.Checked ? MarkerTooltipMode.OnMouseOver : MarkerTooltipMode.Never);
}
;
//resolve latlong to address and add to the listview
Thread thread = new Thread(new ThreadStart(() =>
{
int listViewEntries = 0;
this.Invoke(new Action(() => listViewEntries = listView1.Items.Count));
for (int i = 0; i < listView1.Items.Count; i++)
{
string lat = "", lon = "";
this.Invoke(new Action(() =>
{
lat = listView1.Items[i].SubItems[1].Text;
lon = listView1.Items[i].SubItems[2].Text;
}));
try
{
string address = NetworkClass.GetAddressHERE(lat, lon, settings.HEREApiKey);
this.Invoke(new Action(() =>
{
listView1.Items[i].SubItems[5].Text = address;
}));
}
catch (HttpRequestException webex)
{
Debug.WriteLine("Cannot load address name from latlong.");
}
}
}));
thread.IsBackground = true;
thread.Start();
}
else
{
toolStripStatusLabel1.Text = "No entries found in log file";
}
}