} //close constructor for Annotation_Rep_Tree_Data()...
public static Annotation_Rep_Tree_Data convert_delimited_string_collection_to_tree_hierarchy(List <string> list_of_items_semicolon_delimited)
{
//input items look like: <mainCategory;subCategory,description>
Annotation_Rep_Tree_Data root_node = new Annotation_Rep_Tree_Data(ROOT_NAME, ""); //firstly declare an overall root node...
Annotation_Rep_Tree_Data temp_root_node; //we'll need this temporary root node when traversing down the levels allowing us to carry out a form of recursion..
string[] new_tree_element; //to collect the various levels as delimited in our flat text file store...
string annotation = "";
string desc = "";
foreach (string delimited_item in list_of_items_semicolon_delimited) //e.g. social interaction;2-4 people
{
annotation = delimited_item.Split(',')[0];
desc = delimited_item.Split(',')[1];
new_tree_element = annotation.Split(';'); //e.g. element 1 = social interaction ... element 2 = 2-4 people...
temp_root_node = root_node; //now let's work our way down from the root through each level of depth
for (int depth_counter = 0; depth_counter < new_tree_element.Length; depth_counter++)
{
temp_root_node = add_element_to_appropriate_child_node_which_is_returned(
temp_root_node, new_tree_element[depth_counter], desc); //we insert the new element (for each level of depth) to the relevant child position below, which is then returned
}
} //close foreach (string delimited_item in list_of_items_semicolon_delimited)...
return(root_node); //now return the root node of our new tree hierarchy...
} //close method convert_delimited_string_collection_to_tree_hierarchy()...
public static AnnotationTreeViewModel GetAnnotationTypes()
{
//this method gets the types of annotations available
//and allows them to be displayed in a XAML treeview format
List <string> annTypeList = new List <string>();
//annotation type properties
int annID;
string annType, annDesc;
string query = Database_Versioning.text_for_stored_procedures.spGet_list_of_annotation_types();
SQLiteConnection con = new SQLiteConnection(DbString);
SQLiteCommand selectCmd = new SQLiteCommand(query, con);
con.Open();
SQLiteDataReader readAnnotations = selectCmd.ExecuteReader();
while (readAnnotations.Read())
{
annID = int.Parse(readAnnotations[0].ToString());
annType = readAnnotations[1].ToString();
annDesc = readAnnotations[2].ToString();
annTypeList.Add(annType + "," + annDesc);
}
con.Close();
//now convert the list of event annotations to XAML treeview
Annotation_Rep_Tree_Data hierarchy_of_annotation_types =
Annotation_Rep_Tree_Data.convert_delimited_string_collection_to_tree_hierarchy(
annTypeList);
//Syntax template:
//http://weblogs.asp.net/psheriff/archive/2012/07/23/wpf-tree-view-with-multiple-levels.aspx
return(new AnnotationTreeViewModel(hierarchy_of_annotation_types));
}
/// <summary>
/// this method adds the text box entry to the list of event types...
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAdd_New_EventType_Name_Click(object sender, RoutedEventArgs e)
{
//1. get new item type name from the relevant textbox...
string annotation_type_name = txtNew_EventType_Name.Text;
if (lst_Current_Event_Types.SelectedItem != null)
{
Annotation_Rep_Tree_Data_Model tree_node = (Annotation_Rep_Tree_Data_Model)lst_Current_Event_Types.SelectedItem;
string tree_node_db_entry = Annotation_Rep_Tree_Data.convert_tree_node_to_delimited_string(tree_node);
if (!tree_node_db_entry.Equals(""))
{
annotation_type_name = tree_node_db_entry + ";" + annotation_type_name;
}
}
if (!annotation_type_name.Equals("")) //let's just make sure the user didn't click the button by mistake...
{
//2. then add it to the database...
Annotation_Rep.AddAnnotationType(annotation_type_name);
//3. finally update the display list to reflect this new change...
update_list_on_display_with_latest_database_snapshot();
//and also reset the relevant textbox back to appear blank...
txtNew_EventType_Name.Text = "";
//let's log this interaction
Record_User_Interactions.log_interaction_to_database("EditListofEventTypes_New_Typename", annotation_type_name);
} //close error checking... if (!annotation_type_name.Equals(""))
} //close method btnAdd_New_EventType_Name_Click()...
} //close constructor method Annotation_Rep_Tree_Data_Model...
private Annotation_Rep_Tree_Data_Model(Annotation_Rep_Tree_Data annotation, Annotation_Rep_Tree_Data_Model parent)
{
_annotation = annotation;
_parent = parent;
_children = new ReadOnlyCollection <Annotation_Rep_Tree_Data_Model>(
(from child in _annotation.Children
select new Annotation_Rep_Tree_Data_Model(child, this))
.ToList <Annotation_Rep_Tree_Data_Model>());
}
public AnnotationTreeViewModel(Annotation_Rep_Tree_Data rootAnnotation)
{
_rootAnnotation = new Annotation_Rep_Tree_Data_Model(rootAnnotation);
_firstGeneration = new ReadOnlyCollection <Annotation_Rep_Tree_Data_Model>(
new Annotation_Rep_Tree_Data_Model[]
{
_rootAnnotation
});
_searchCommand = new SearchAnnotationTreeCommand(this);
}
public AnnotationTreeViewModel(Annotation_Rep_Tree_Data rootAnnotation)
{
_rootAnnotation = new Annotation_Rep_Tree_Data_Model(rootAnnotation);
_firstGeneration = new ReadOnlyCollection<Annotation_Rep_Tree_Data_Model>(
new Annotation_Rep_Tree_Data_Model[]
{
_rootAnnotation
});
_searchCommand = new SearchAnnotationTreeCommand(this);
}
} //close method convert_delimited_string_collection_to_tree_hierarchy()...
private static Annotation_Rep_Tree_Data add_element_to_appropriate_child_node_which_is_returned(
Annotation_Rep_Tree_Data root_node,
string new_element,
string desc)
{
//let's see if this "new" element, is already recorded as a child in the root node anyways...
foreach (Annotation_Rep_Tree_Data child in root_node.Children)
{
if (child.Name.Equals(new_element))
{
return(child); //return this child element which has been recorded already...
}
} //close foreach (Annotation_Rep_Tree_Data child in root_node.Children)...
//if the "new" element is unseen as a child for this root node (i.e. return call wasn't invoked above), we'll now add it to the collection of children
root_node.Children.Add(new Annotation_Rep_Tree_Data(new_element, desc));
return(root_node.Children[root_node.Children.Count - 1]); //and then return it
} //close add_element_to_appropriate_child_node_which_is_returned()...
} //close method btnAdd_New_EventType_Name_Click()...
/// <summary>
/// this method removes an item from the list of event types...
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnRemove_EventType_Name_Click(object sender, RoutedEventArgs e)
{
if (lst_Current_Event_Types.SelectedItem != null)
{
//1. get item selected in the list
Annotation_Rep_Tree_Data_Model annotation_type_delete = (Annotation_Rep_Tree_Data_Model)lst_Current_Event_Types.SelectedItem;
//2. convert it to the database storage type...
string annotation_type_database_text_entry = Annotation_Rep_Tree_Data.convert_tree_node_to_delimited_string(annotation_type_delete);
//3. then delete it from the database...
Annotation_Rep.RmAnnotationType(annotation_type_database_text_entry);
//4. finally update the display list to reflect this new change...
update_list_on_display_with_latest_database_snapshot();
//let's log this interaction
Record_User_Interactions.log_interaction_to_database("EditListofEventTypes_Remove_Typename", annotation_type_database_text_entry);
} //close if (lst_Current_Event_Types.SelectedItem != null)...
} //close method btnRemove_EventType_Name_Click()...
public Annotation_Rep_Tree_Data_Model(Annotation_Rep_Tree_Data rootAnnotation) : this(rootAnnotation, null)
{
} //close constructor method Annotation_Rep_Tree_Data_Model...
private Annotation_Rep_Tree_Data_Model(Annotation_Rep_Tree_Data annotation, Annotation_Rep_Tree_Data_Model parent)
{
_annotation = annotation;
_parent = parent;
_children = new ReadOnlyCollection<Annotation_Rep_Tree_Data_Model>(
(from child in _annotation.Children
select new Annotation_Rep_Tree_Data_Model(child, this))
.ToList<Annotation_Rep_Tree_Data_Model>());
}
public Annotation_Rep_Tree_Data_Model(Annotation_Rep_Tree_Data rootAnnotation)
: this(rootAnnotation, null)
{
}
private static Annotation_Rep_Tree_Data add_element_to_appropriate_child_node_which_is_returned(
Annotation_Rep_Tree_Data root_node,
string new_element,
string desc)
{
//let's see if this "new" element, is already recorded as a child in the root node anyways...
foreach (Annotation_Rep_Tree_Data child in root_node.Children)
{
if (child.Name.Equals(new_element))
return child; //return this child element which has been recorded already...
} //close foreach (Annotation_Rep_Tree_Data child in root_node.Children)...
//if the "new" element is unseen as a child for this root node (i.e. return call wasn't invoked above), we'll now add it to the collection of children
root_node.Children.Add(new Annotation_Rep_Tree_Data(new_element, desc));
return root_node.Children[root_node.Children.Count - 1]; //and then return it
}
public static Annotation_Rep_Tree_Data convert_delimited_string_collection_to_tree_hierarchy(List<string> list_of_items_semicolon_delimited)
{
//input items look like: <mainCategory;subCategory,description>
Annotation_Rep_Tree_Data root_node = new Annotation_Rep_Tree_Data(ROOT_NAME, ""); //firstly declare an overall root node...
Annotation_Rep_Tree_Data temp_root_node; //we'll need this temporary root node when traversing down the levels allowing us to carry out a form of recursion..
string[] new_tree_element; //to collect the various levels as delimited in our flat text file store...
string annotation = "";
string desc = "";
foreach (string delimited_item in list_of_items_semicolon_delimited) //e.g. social interaction;2-4 people
{
annotation = delimited_item.Split(',')[0];
desc = delimited_item.Split(',')[1];
new_tree_element = annotation.Split(';'); //e.g. element 1 = social interaction ... element 2 = 2-4 people...
temp_root_node = root_node; //now let's work our way down from the root through each level of depth
for(int depth_counter=0; depth_counter<new_tree_element.Length; depth_counter++)
temp_root_node = add_element_to_appropriate_child_node_which_is_returned(
temp_root_node, new_tree_element[depth_counter], desc); //we insert the new element (for each level of depth) to the relevant child position below, which is then returned
} //close foreach (string delimited_item in list_of_items_semicolon_delimited)...
return root_node; //now return the root node of our new tree hierarchy...
}