void newtag_box_KeyDown(object sender, KeyEventArgs e)
{
String tb_text = ((TextBox)sender).Text;
if (e.KeyCode == Keys.Return)
{
e.SuppressKeyPress = true; //to stop beep
/////
if (tb_text.Trim() == "")
{
((TextBox)sender).Text = newtagtb_defaulttext;
image.Focus();
return;
}
// calling data layer to add this tag
//now checking that we don't have this tag already
for (int i = 0; i < imageholder.tags.Count; i++)
{
if (imageholder.tags[i].tag_string == tb_text) //this tag is already there, no need to add
{
MessageBox.Show("This tag is already added. Please change relevence");
//it would be nice if we ask user that whether instead he would like to increment relevence of tag
return;
}
}
//Debug.WriteLine("add a new tag");
NOPSAImageTagHolder newtag = new NOPSAImageTagHolder();
//NOTICE THE LINE BELOW
// here we are setting tag's id to tag itself because server can automatically convert from tag-> tag_id and right now we don't know what id will server assign this.
newtag.tag_id = tb_text; //
newtag.tag_relevence = "1"; //this is default set by server
newtag.tag_string = tb_text; //
//we don't and can't know tag_id ... so there must a method on the server where we can incr/ dec relevence based of tag string rather than id
imageholder.tags.Add(newtag);
trash_tag_scrollbar();
//loadimage();
loadtags();
//despatch new tag to server (using communication manager)
this.cm.addtag(imageholder.img_id, tb_text);
}
}
//simple binary sort
void sorttags()
{
for (int i = 0; i < this.imageholder.tags.Count; i++)
{
for (int j = i + 1; j < this.imageholder.tags.Count; j++)
{
if (Int32.Parse(this.imageholder.tags[i].tag_relevence) < Int32.Parse(this.imageholder.tags[j].tag_relevence))
{
NOPSAImageTagHolder temp = this.imageholder.tags[i];
this.imageholder.tags[i] = this.imageholder.tags[j];
this.imageholder.tags[j] = temp;
}
}
}
}
private void parse()
{
if (this.xml.Contains("notice message"))
{
return; //REMOVE NOTICE MESSAGE FROM API
}
else if (this.xml.Contains("<code>") && !this.xml.Contains("900"))
{
//Debug.WriteLine("XML code error: " + this.xml.ToString());
return;
}
List <String> suggestions = new List <String>();
String source = "";
List <NOPSAImageHolder> images = new List <NOPSAImageHolder>();
List <NOPSAImageTagHolder> img_tags = new List <NOPSAImageTagHolder>(); //dont forget to empty it after a 'round'
//bool issearch = false;
bool img_start = false;
bool tag_start = false;
String img_id = "";
String img_rights = "";
String img_holder = "";
String img_url = "";
String img_creator = "";
String img_height = "";
String img_width = "";
String img_prirority = "";
String tag_id = "";
String tag_relevence = "";
String tag_string = "";
//Debug.WriteLine(this.xml);
using (XmlReader reader = XmlReader.Create(new StringReader(this.xml)))
{
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element: // The node is an element.
//Debug.Write("<" + reader.Name);
//Debug.WriteLine(">");
if (reader.Name == "source") // true for suggest
{
String recieved_name = reader["name"];
if (recieved_name != null && !recieved_name.Equals(""))
{
//Debug.WriteLine("suggest recieved name isnt null '" + recieved_name + "'");
source = recieved_name;
}
//Debug.WriteLine("its suggestion " + reader["name"]); // only true for suggesiton
}
else if (reader.Name == "search") // true for search
{
String recieved_name = reader["source"];
if (recieved_name != null && !recieved_name.Equals(""))
{
//Debug.WriteLine("search recieved name isnt null " + recieved_name);
source = recieved_name;
}
}
else if (reader.Name == "suggestion") // its suggestion element
{
String temp = reader.ReadString().Trim(); //suggestion text
//Debug.WriteLine("temp: " + temp);
suggestions.Add(temp);
}
else if (reader.Name == "image") // its search->image element
{
//Debug.WriteLine("starting image");
img_start = true; //so that other tags inside <image> can know that its their turn (not of someone with same name but outside <image>)
}
else if (reader.Name == "id") // currently multile tags start with id
{
if (img_start && !tag_start) // it must be related to <image>
{
img_id = reader.ReadString().Trim();
}
if (img_start && tag_start) // it must be related to <image>..<tag>HERE</tag></image>
{
tag_id = reader.ReadString().Trim();
}
}
else if (reader.Name == "rights")
{
if (img_start)
{
img_rights = reader.ReadString().Trim();
}
}
else if (reader.Name == "image_holder")
{
if (img_start)
{
img_holder = reader.ReadString().Trim();
}
}
else if (reader.Name == "url")
{
if (img_start)
{
img_url = reader.ReadString().Trim();
}
}
else if (reader.Name == "creator")
{
if (img_start)
{
img_creator = reader.ReadString().Trim();
}
}
else if (reader.Name == "height")
{
if (img_start)
{
img_height = reader.ReadString().Trim();
}
}
else if (reader.Name == "width")
{
if (img_start)
{
img_width = reader.ReadString().Trim();
}
}
else if (reader.Name == "prirority")
{
if (img_start)
{
img_prirority = reader.ReadString().Trim();
}
}
else if (reader.Name == "tag")
{
if (img_start)
{
tag_start = true; // telling others that tag has started
//Debug.WriteLine("its tag");
}
}
else if (reader.Name == "relevancy")
{
if (img_start && tag_start)
{
tag_relevence = reader.ReadString().Trim();
}
}
else if (reader.Name == "string")
{
if (img_start && tag_start)
{
tag_string = reader.ReadString().Trim();
}
}
break;
case XmlNodeType.Text: //Display the text in each element.
//Debug.WriteLine(reader.Value);
break;
case XmlNodeType.EndElement: //Display the end of the element.
//Debug.Write("</" + reader.Name);
//Debug.WriteLine(">");
if (reader.Name == "image") // its search->image element
{
//Debug.WriteLine("ending image");
img_start = false;
//now put image in container
/*
* Debug.WriteLine("img_id: " + img_id);
* Debug.WriteLine("img_rights: " + img_rights);
* Debug.WriteLine("img_holder: " + img_holder);
* Debug.WriteLine("img_url: " + img_url);
* Debug.WriteLine("img_creator: " + img_creator);
* Debug.WriteLine("img_height: " + img_height);
* Debug.WriteLine("img_width: " + img_width);
* Debug.WriteLine("img_prirority: " + img_prirority);
*/
NOPSAImageHolder temp_img = new NOPSAImageHolder();
temp_img.img_source = source;
temp_img.img_id = img_id;
temp_img.img_rights = img_rights;
temp_img.img_holder = img_holder;
temp_img.img_url = img_url;
temp_img.img_creator = img_creator;
temp_img.img_height = img_height;
temp_img.img_width = img_width;
temp_img.img_prirority = img_prirority;
temp_img.tags = img_tags;
img_tags = new List <NOPSAImageTagHolder>();
images.Add(temp_img);
Debug.WriteLine("this is cm, source: " + source + " , url: " + img_url);
}
else if (reader.Name == "tag")
{
if (img_start)
{
tag_start = false;
//Debug.WriteLine("its tag closing");
NOPSAImageTagHolder temp_tag_holder = new NOPSAImageTagHolder();
temp_tag_holder.tag_id = tag_id;
temp_tag_holder.tag_relevence = tag_relevence;
temp_tag_holder.tag_string = tag_string;
//Debug.WriteLine("id: "+tag_id);
//Debug.WriteLine("relevence: "+tag_relevence);
//Debug.WriteLine("string: " + tag_string);
img_tags.Add(temp_tag_holder);
}
}
break;
}
}
}
//Debug.WriteLine("some data processed");
if (suggestions.Count != 0) // so it means the returned xml was from a suggestions query
{
Suggest_Data.sources.Add(source);
Suggest_Data.suggestions.Add(suggestions);
suc.ActiveControl.Invoke((MethodInvoker) delegate
{
// runs on UI thread
suc.update_suggestions();
});
}
else if (images.Count != 0)
{
//Debug.WriteLine("images arnt zero");
Search_Data.sources.Add(source);
Search_Data.images.Add(images);
//WE MAY RUN SOME SHUFFLING ALGO HERE
if (suc.InvokeRequired)
{
suc.ActiveControl.Invoke(new MethodInvoker(delegate
{
suc.update_images();
}));
}
else
{
suc.update_images();
}
/*
* suc.ActiveControl.Invoke((MethodInvoker)delegate
* {
* // runs on UI thread
* suc.update_images();
* });
*/
}
source = ""; //not required but helps in debugging
}