private void btnMain_Click(object sender, RoutedEventArgs e)
{
if (this.cbx.SelectedItem is null)
{
MessageBox.Show("Please choose any item of Combobox", "Notification", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}
if ("opnsch".Equals(this.mode, StringComparison.CurrentCultureIgnoreCase))
{
Parameter.activeTabIdx = 0;
Parameter.SchemaIndex = this.cbx.SelectedIndex;
}
if ("opnrel".Equals(this.mode, StringComparison.CurrentCultureIgnoreCase))
{
Parameter.activeTabIdx = 1;
Parameter.RelationIndex = this.cbx.SelectedIndex;
}
if ("delsch".Equals(this.mode, StringComparison.CurrentCultureIgnoreCase))
{
try {
//delete schema
var schema = StaticParams.currentDb.Schemas.Where(p => p == this.cbx.SelectedItem as PSchema).FirstOrDefault();
//in Db
RawDatabaseService.Instance().Delete(schema);
//in Ram
StaticParams.currentDb.Schemas.Remove(schema);
//delete attr of schema
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
if ("delrel".Equals(this.mode, StringComparison.CurrentCultureIgnoreCase))
{
try
{
var relation = StaticParams.currentDb.Relations.Where(p => p == this.cbx.SelectedItem as PRelation).FirstOrDefault();
//in DB
RawDatabaseService.Instance().Delete(relation);
//in Ram
StaticParams.currentDb.Relations.Remove(relation);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Infomation", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
this.Close();
}
public static IDbService GetDatabaseService()
{
//switch (ConfigurationSettings.AppSettings.Get("defaultDbService").ToString())
switch (ConfigurationManager.AppSettings["defaultDbService"].ToString())
{
case "EF":
case "Raw": return(RawDatabaseService.Instance());
default:
return(RawDatabaseService.Instance());
}
}
private void dtg_CurrentCellChanged(object sender, EventArgs e)
{
this.ucEdit.btnClr.IsEnabled = false;
this.ucEdit.btnCommitEdit.IsEnabled = false;
this.ucEdit.btnApply.IsEnabled = false;
this.ucEdit.dtgCellContent.IsEnabled = false;
this.ucEdit.rtbxCellContent.IsReadOnly = true;
var relation = new PRelation()
{
id = int.Parse(this.cbx.SelectedValue.ToString())
};
try
{
var tupID = (this.dtg.CurrentItem as DataRowView).Row.ItemArray[0].ToString().Trim();
var tuple = RawDatabaseService.Instance().GetTuplebyId(ref relation, tupID);
var header = this.dtg.CurrentCell.Column.Header.ToString().ToLower();
String attrName = header;
attrName = String.Format("{0}.{1}", relation.relationName, header);
if (!header.Equals(ContantCls.emlementProb, StringComparison.CurrentCultureIgnoreCase))
{
this.ucEdit.txtInfo.Content = attrName.ToUpper();
this.ucEdit.curTuple = tuple;
this.ucEdit.setValCell(tuple.valueSet[attrName]);
}
else
{
this.ucEdit.txtInfo.Content = attrName.ToUpper();
this.ucEdit.curTuple = tuple;
this.ucEdit.setValCell(new List <String> {
tuple.Ps.ToString()
});
}
var att = relation.schema.Attributes.Where(p => p.AttributeName.Equals(header, StringComparison.CurrentCultureIgnoreCase)).First();
this.ucEdit.pAttribute = att;
this.ucEdit.txtDataType.Content = att.Type.TypeName;
this.ucEdit.chkPri.IsChecked = att.primaryKey;
this.ucEdit.pRelation = relation;
Parameter.currentColumn = this.dtg.CurrentCell.Column.DisplayIndex;
Parameter.currentRow = this.dtg.Items.IndexOf(this.dtg.CurrentItem);
}
catch { }
this.ucEdit.rtbxCellContent.Visibility = Visibility.Visible;
this.ucEdit.dtgCellContent.Visibility = Visibility.Collapsed;
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
try
{
var schema = this.cbxSchName.SelectedItem as PSchema;
if (RawDatabaseService.Instance().getRelByIdSch(schema).Count > 0)
{
MessageBox.Show("The Schema are being used by another Relation, Fail to Edit!", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
//build attrs
var upAttrs = schema.Attributes.ToList();
schema.SchemaName = this.txtName.Text.ToLower();
for (int i = 0; i < upAttrs.Count; i++)
{
//dont update Ps Attr
if (!upAttrs[i].AttributeName.Equals(ContantCls.emlementProb, StringComparison.CurrentCultureIgnoreCase))
{
upAttrs[i].AttributeName = attrs[i].attrName;
upAttrs[i].primaryKey = attrs[i].isPri;
upAttrs[i].Type.TypeName = attrs[i].typeName;
upAttrs[i].Type.GetDomain(attrs[i].domain);
upAttrs[i].Type.GetDataType();
upAttrs[i].Schema = schema;
}
else
{
upAttrs.RemoveAt(i);
}
}
//update Attrs
foreach (var item in upAttrs)
{
RawDatabaseService.Instance().Update(item);
}
//update Sch
RawDatabaseService.Instance().Update(schema);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void addingNewTuple()
{
if (StaticParams.currentRelation != null)
{
var addIdform = new addingTuples();
addIdform.ShowDialog();
var idList = addIdform.idTupleList;
var pri = StaticParams.currentRelation.schema.Attributes.Where(a => a.primaryKey).FirstOrDefault();
var priAtr = $"{StaticParams.currentRelation.relationName.ToLower()}.{pri.AttributeName.ToLower()}";
if (idList != null)
{
foreach (var id in idList)
{
RawDatabaseService.Instance().insertEmptyTuple(StaticParams.currentRelation, pri, id.IDtuple);
}
}
Parameter.activeTabIdx = 1;
this.reloadDb();
}
}
private void btnDel_Click(object sender, System.Windows.RoutedEventArgs e)
{
var rs = MessageBox.Show("Delete this Tuple?", "Notification", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (rs == MessageBoxResult.Yes)
{
var relation = new PRelation()
{
id = int.Parse(this.cbx.SelectedValue.ToString())
};
var tupID = (this.dtg.SelectedItem as DataRowView).Row.ItemArray[0].ToString().Trim();
var tuple = RawDatabaseService.Instance().GetTuplebyId(ref relation, tupID);
try
{
RawDatabaseService.Instance().DeleteTupleById(relation, tuple);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
private bool checkExitID(string dtuple) //false: dosenot exist | true: existed
{
var rel = new Domain.Model.PRelation()
{
id = StaticParams.currentRelation.id
};
try
{
var tuple = RawDatabaseService.Instance().GetTuplebyId(ref rel, dtuple);
foreach (var item in tuple.valueSet)
{
if (item.Value.Count != 0)
{
return(true);
}
}
}
catch {
return(false);
}
return(false);
}
private void btnApply_Click(object sender, RoutedEventArgs e)
{
if (!rowBeingEdited)
{
var att = this.txtInfo.Content.ToString();
if (att.Substring(att.IndexOf(".") + 1).Equals(ContantCls.emlementProb, StringComparison.CurrentCultureIgnoreCase))
{
var strProb = new TextRange(this.rtbxCellContent.Document.ContentStart, this.rtbxCellContent.Document.ContentEnd).Text.Trim();
try
{
new ElemProb(strProb);
}
catch
{
return;
}
}
try
{
String val = String.Empty;
if (this.rtbxCellContent.Visibility == Visibility.Visible)
{
val = new TextRange(this.rtbxCellContent.Document.ContentStart, this.rtbxCellContent.Document.ContentEnd).Text.Trim();
//val = String.Format("'{{ {0} }}", val);
}
if (this.dtgCellContent.Visibility == Visibility.Visible)
{
val = String.Join(" , ", valueList.Select(p => p.value.Trim()).ToArray());
//val = String.Format("'{{ {0} }}", val);
}
var datatype = this.pAttribute.Type;
if (datatype.CheckDataTypeOfVarLs(val))
{
//check elem trung nhau
removeDuplicateElements(ref val);
var attr = this.txtInfo.Content.ToString().Trim().ToLower();
//save
if (this.curTuple.valueSet.Keys.Contains(attr))
{
curTuple.valueSet[attr] = val.Split(',').Select(p => p.Trim()).ToList();
}
// Ps Attr
else
{
curTuple.Ps = new ElemProb(val);
}
try
{
RawDatabaseService.Instance().Update(curTuple, pRelation, attr);
Parameter.resetMainF = true;
Parameter.activeTabIdx = 1;
Parameter.RelationIndex = (int)pRelation.id - 1;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("The value is invalid with its Datatype", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("the Value have not Edited yet!", "Alert", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
if (this.cbxSch.SelectedItem is null)
{
MessageBox.Show("Please choose any item of Combobox", "Notification", MessageBoxButton.OK, MessageBoxImage.Information);
return;
}
try
{
if (this.txtRelName.Text.Trim().Length <= 0)
{
MessageBox.Show("You must enter a relation name, please try again !", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
if (this.txtRelName.Text.ToLower() == "select" || this.txtRelName.Text.ToLower() == "from" || this.txtRelName.Text.ToLower() == "where")
{
MessageBox.Show("Relation name is not valid ( not match with keyword 'select', 'from', 'where')", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
foreach (var item in StaticParams.currentDb.Relations.ToList())
{
if (item.relationName.Equals(this.txtRelName.Text.ToLower(), StringComparison.OrdinalIgnoreCase))
{
MessageBox.Show("This relation name has already existed in the database, please try again !", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
PSchema schema = StaticParams.currentDb.Schemas.SingleOrDefault(c => c == this.cbxSch.SelectedItem);
var relation = new PRelation();
relation.relationName = this.txtRelName.Text.ToLower();
relation.id = RawDatabaseService.Instance().getNextIdRl();
relation.schema = schema;
try
{
//in db
RawDatabaseService.Instance().Insert(relation);
//in ram
StaticParams.currentDb.Relations.Add(relation);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
if (MessageBox.Show("Add successfully.Do you want add a new relation name ?", "Question", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
{
this.txtRelName.Focus();
this.txtRelName.Text = null;
this.Window_Loaded(sender, e);
}
else
{
this.Close();
}
}
catch (Exception EX)
{
MessageBox.Show(EX.Message);
}
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
var attLs = new List <PAttribute>();
if (String.IsNullOrEmpty(this.txtSchName.Text.ToString()))
{
MessageBox.Show("You must enter a schema name, please try again!", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
if ("select".Equals(this.txtSchName.Text.ToLower(), StringComparison.CurrentCultureIgnoreCase) ||
"from".Equals(this.txtSchName.Text.ToLower(), StringComparison.CurrentCultureIgnoreCase) ||
"where".Equals(this.txtSchName.Text.ToLower(), StringComparison.CurrentCultureIgnoreCase))
{
MessageBox.Show("Schema name is not valid ( not match with keyword 'select', 'from', 'where')", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
foreach (var item in StaticParams.currentDb.Schemas.ToList())
{
if (item.SchemaName.ToLower().Equals(this.txtSchName.Text.ToLower(), StringComparison.CurrentCultureIgnoreCase))
{
MessageBox.Show("This schema name has already existed in the database, please try again !", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
if (!CheckValidatedDataGridView(attrs))
{
return;
}
//create schema
PSchema schema = new PSchema();
schema.id = RawDatabaseService.Instance().getNextIdSch(); //important
schema.SchemaName = this.txtSchName.Text.Trim();
PAttribute attribute;
//insert Schema and relative component in Db
try
{
#region addAtrr
foreach (SchemaModelView attr in attrs.ToList())
{
attribute = new PAttribute();
attribute.id = RawDatabaseService.Instance().getNextIdAttr();
attribute.AttributeName = attr.attrName;
attribute.primaryKey = attr.isPri;
attribute.Type = new Domain.Unit.PDataType()
{
DomainString = attr.domain, DataType = attr.datatype, TypeName = attr.typeName
};
attribute.Description = attr.descs;
attribute.Schema = schema;
RawDatabaseService.Instance().Insert(attribute); //=>csdl need id schema
//update full info schema
schema.Attributes.Add(attribute);
}
//Ps
var datatype = new PDataType();
datatype.TypeName = "String";
datatype.GetDomain("[0 ... 32767] characters");
datatype.GetDataType();
var attrPs = new PAttribute()
{
AttributeName = "Ps",
id = RawDatabaseService.Instance().getNextIdAttr(),
Schema = schema,
primaryKey = false,
Description = "Prob",
Type = datatype
};
RawDatabaseService.Instance().Insert(attrPs);
schema.Attributes.Add(attrPs);
#endregion addAtrr
//insert scheme in db
RawDatabaseService.Instance().Insert(schema);
//insert scheme in ram
StaticParams.currentDb.Schemas.Add(schema);
//commit
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
if (MessageBox.Show("Add successfully. Do you want add new schema ?", "Question", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
{
this.txtSchName.Text = "";
this.attrs.Clear();
this.dtg.ItemsSource = attrs;
this.dtg.Items.Refresh();
this.txtSchName.Focus();
}
else
{
this.Close();
}
}
