ReportParameter.cs

using System.Threading.Tasks;
using System.Xml;
using Waher.Networking.XMPP.Concentrator;
using Waher.Networking.XMPP.DataForms;
using Waher.Reports.Files.Model.Parameters;
using Waher.Reports.Model.Attributes;
using Waher.Runtime.Language;
using Waher.Script;
 
namespace Waher.Reports.Files.Model
{
    public abstract class ReportParameter
    {
        private readonly ReportStringAttribute page;
        private readonly ReportStringAttribute name;
        private readonly ReportStringAttribute label;
        private readonly ReportStringAttribute description;
        private readonly ReportBooleanAttribute required;
 
        public ReportParameter(XmlElement Xml)
        {
            this.page = new ReportStringAttribute(Xml, "page");
            this.name = new ReportStringAttribute(Xml, "name");
            this.label = new ReportStringAttribute(Xml, "label");
            this.description = new ReportStringAttribute(Xml, "description");
            this.required = new ReportBooleanAttribute(Xml, "required");
        }
 
        public Task<string> GetName(Variables Variables)
        {
            return this.name.Evaluate(Variables, string.Empty);
        }
 
        public Task<bool> IsRequired(Variables Variables)
        {
            return this.required.Evaluate(Variables, false);
        }
 
        public async Task<ReportParameterAttributes> GetReportParameterAttributes(Variables Variables)
        {
            return new ReportParameterAttributes()
            {
                Page = await this.page.Evaluate(Variables, string.Empty),
                Name = await this.name.Evaluate(Variables, string.Empty),
                Label = await this.label.Evaluate(Variables, string.Empty),
                Description = await this.description.Evaluate(Variables, string.Empty),
                Required = await this.required.Evaluate(Variables, false)
            };
        }
 
        public abstract Task PopulateForm(DataForm Parameters, Language Language, Variables Variables);
 
        public abstract Task SetParameter(DataForm Parameters, Language Language, bool OnlySetChanged, Variables Variables,
          SetEditableFormResult Result);
    }
}