private void btnSaveWordsearch_Click(object sender, EventArgs e)
{
//check that we currently have a Wordsearch on screen
if(currentWordsearchId != null)
{
//Validate the characters entered
string[] lines = rtbChars.Text.ToUpper().Split('\n');
bool validChars = validateCharsStr(lines);
if(validChars)
{
char[,] chars = getChars(lines);
string[] words = getWords();
//Make a Wordsearch object
Wordsearch wordsearch = new Wordsearch(currentWordsearchId, chars, words);
//If this wordsearch is already in the database, remove it
if(ImageMarkupDatabase.ContainsWordsearch(currentWordsearchId))
{
ImageMarkupDatabase.RemoveWordsearch(currentWordsearchId);
}
//Store the Wordsearch object and write it out
ImageMarkupDatabase.AddWordsearch(wordsearch);
ImageMarkupDatabase.WriteDatabase();
}
else
{
MessageBox.Show("Please check the chars entered");
}
}
else //Otherwise there is no wordsearch to save data for
{
MessageBox.Show("No wordsearch currently on screen to save data for");
}
}
public static void AddWordsearch(string wordsearchId, Wordsearch wordsearch)
{
//If the dataset has been loaded
if(wordsearches != null)
{
wordsearches.Add(wordsearchId, wordsearch);
}
else //Otherwise the data hasn't been loaded
{
throw new DatabaseNotInitialisedException();
}
}
//Private Methods
private static void loadDatabase()
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(XML_DOC_LOCATION);
XmlNode rootNode = xmlDoc.SelectSingleNode(XML_ROOT_EL);
//Images
XmlNode imagesNode = rootNode.SelectSingleNode(XML_IMAGES_EL);
XmlNodeList imageNodes = imagesNode.SelectNodes(XML_IMAGE_EL);
images = new Dictionary<string, Image>();
foreach(XmlNode imageNode in imageNodes)
{
string path = imageNode.SelectSingleNode(XML_IMAGE_FILE_PATH_EL).InnerText;
string hash = imageNode.SelectSingleNode(XML_IMAGE_HASH_EL).InnerText;
//Wordsearch Images
XmlNode wordsearchImagesNode = imageNode.SelectSingleNode(XML_WORDSEARCH_IMAGES_EL);
XmlNodeList wordsearcheImageNodes = wordsearchImagesNode.SelectNodes(XML_WORDSEARCH_IMAGE_EL);
List<WordsearchImage> wordsearchImages = new List<WordsearchImage>();
foreach(XmlNode wiNode in wordsearcheImageNodes)
{
//Coordinates
string strCoords = wiNode.SelectSingleNode(XML_WORDSEARCH_IMAGE_COORDINATES_EL).InnerText;
string[] pairs = strCoords.Trim().Split('.');
char[] trimChars = new char[] { '(', ')', ' ' };
string[] parts = pairs[0].Split(',');
string x = parts[0].Trim(trimChars);
string y = parts[1].Trim(trimChars);
IntPoint topLeft = new IntPoint(int.Parse(x), int.Parse(y));
parts = pairs[1].Split(',');
x = parts[0].Trim(trimChars);
y = parts[1].Trim(trimChars);
IntPoint topRight = new IntPoint(int.Parse(x), int.Parse(y));
parts = pairs[2].Split(',');
x = parts[0].Trim(trimChars);
y = parts[1].Trim(trimChars);
IntPoint bottomRight = new IntPoint(int.Parse(x), int.Parse(y));
parts = pairs[3].Split(',');
x = parts[0].Trim(trimChars);
y = parts[1].Trim(trimChars);
IntPoint bottomLeft = new IntPoint(int.Parse(x), int.Parse(y));
uint rows = uint.Parse(wiNode.SelectSingleNode(XML_WORDSEARCH_IMAGE_ROWS_EL).InnerText);
uint cols = uint.Parse(wiNode.SelectSingleNode(XML_WORDSEARCH_IMAGE_COLS_EL).InnerText);
//Meta Data
XmlNode metaDataNode = wiNode.SelectSingleNode(XML_WORDSEARCH_IMAGE_METADATA_EL);
XmlNodeList metaDataNodes = metaDataNode.ChildNodes;
Dictionary<string, string> metaData = new Dictionary<string, string>();
foreach(XmlNode metaDataEntryNode in metaDataNodes)
{
metaData.Add(metaDataEntryNode.Name, metaDataEntryNode.InnerText);
}
//Optional WordsearchID field
string wordsearchId = null;
try
{
wordsearchId = wiNode.SelectSingleNode(XML_WORDSEARCH_IMAGE_WORDSEARCH_ID_EL).InnerText;
}
catch { }
//If there was a Wordsearch ID, pass that to the constructor
WordsearchImage wordsearchImage;
if(wordsearchId != null)
{
wordsearchImage = new WordsearchImage(topLeft, topRight, bottomRight,
bottomLeft, rows, cols, metaData, hash, wordsearchId);
}
else //Otherwise there is no Wordsearch ID
{
wordsearchImage = new WordsearchImage(topLeft, topRight, bottomRight,
bottomLeft, rows, cols, metaData, hash);
}
wordsearchImages.Add(wordsearchImage);
}
//Meta Data
XmlNodeList imageMetaDataNodes = imageNode.SelectSingleNode(XML_IMAGE_METADATA_EL).ChildNodes;
Dictionary<string, string> imageMetaData = new Dictionary<string, string>();
foreach(XmlNode metaDataEntryNode in imageMetaDataNodes)
{
imageMetaData.Add(metaDataEntryNode.Name, metaDataEntryNode.InnerText);
}
Image image = new Image(path, hash, wordsearchImages.ToArray(), imageMetaData);
images.Add(hash, image);
}
//Wordsearches
XmlNode wordsearchesNode = rootNode.SelectSingleNode(XML_WORDSEARCHES_EL);
XmlNodeList wordsearchNodes = wordsearchesNode.SelectNodes(XML_WORDSEARCH_EL);
wordsearches = new Dictionary<string, Wordsearch>();
foreach(XmlNode wordsearchNode in wordsearchNodes)
{
string wordsearchId = wordsearchNode.SelectSingleNode(XML_WORDSEARCH_ID_EL).InnerText;
//Chars
string strChars = wordsearchNode.SelectSingleNode(XML_WORDSEARCH_CHARS_EL).InnerText.Replace("\r", ""); //Strip carriage returns
string[] strCharsRows = strChars.Split('\n');
char[,] chars = new char[strCharsRows[0].Length, strCharsRows.Length];
for(int i = 0; i < strCharsRows.Length; i++)
{
for(int j = 0; j < strCharsRows[i].Length; j++)
{
chars[j, i] = strCharsRows[i][j];
}
}
//Words
XmlNode wordsNode = wordsearchNode.SelectSingleNode(XML_WORDSEARCH_WORDS_EL);
XmlNodeList wordNodes = wordsNode.SelectNodes(XML_WORDSEARCH_WORD_EL);
List<string> words = new List<string>();
foreach(XmlNode wordNode in wordNodes)
{
words.Add(wordNode.InnerText);
}
Wordsearch wordsearch = new Wordsearch(wordsearchId, chars, words.ToArray());
wordsearches.Add(wordsearchId, wordsearch);
}
}
public static void AddWordsearch(Wordsearch wordsearch)
{
AddWordsearch(wordsearch.Id, wordsearch);
}