protected void VariableAdd(QvVariable variable)
{
if (string.IsNullOrWhiteSpace(variable.Name))
{
MessageBox.Show("The name can not be empty.");
return;
}
if (string.IsNullOrWhiteSpace(variable.Value) && string.IsNullOrWhiteSpace(variable.Expression))
{
MessageBox.Show("Value or Expression can not be empty.");
return;
}
Filter filter = this.ReportItem as Filter;
if (filter.Variables.ContainsKey(variable.Name))
{
MessageBox.Show("The same name variable exists, cannot add.");
return;
}
filter.Variables.Add(variable.Name, variable);
this.NewVariable = new QvVariable();
}
public FilterViewModel()
{
this.ConnectionList = ReportConfig.ConnectionManager.ItemCollection.Values.ToList();
this.VariableAddCommand = new DelegateCommand <QvVariable>(this.VariableAdd);
this.VariableDeleteCommand = new DelegateCommand <QvVariable>(this.VariableDelete);
this.FieldDeleteCommand = new DelegateCommand <QVField>(this.FieldDelete);
this.FieldAddCommand = new DelegateCommand(this.FieldAdd);
this.FilterPreViewCommand = new DelegateCommand(this.FilterPreView);
this.NewVariable = new QvVariable();
}
private string GetValueFromExpression(QvVariable item)
{
if (item.HasExpression)
{
return(DateFunctions.GetValueFromExpression(item.Expression).ToString("yyyy/MM/dd"));
}
else
{
return(item.Value);
}
}
protected void VariableDelete(QvVariable variable)
{
if (variable == null)
{
MessageBox.Show("Please select an variable.");
return;
}
if (MessageBox.Show("Do you want to delete the variable " + variable.Name, "Delete", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
Filter filter = this.ReportItem as Filter;
filter.Variables.Remove(variable.Name);
}
}
private void btnVariableAdd_Click(object sender, EventArgs e)
{
VariableSettingForm form = new VariableSettingForm();
DialogResult result = form.ShowDialog();
if (result == System.Windows.Forms.DialogResult.OK)
{
QvVariable variable = new QvVariable();
variable.Name = form.VariableName;
variable.Value = form.Value;
variable.Expression = form.Expression;
if (!VariableCollection.ContainsKey(variable.Name))
{
VariableCollection.Add(variable.Name, variable);
}
this.RefreshVariableDataGrid();
}
}
