using System;
using System.Windows.Forms;
using FastReport.Utils;
using FastReport.Design;
using FastReport.Data;

namespace FastReport.Forms
{
    internal partial class TotalEditorForm : BaseDialogForm
    {
        private ReportPage page;
        private Report report;
        private Total total;

        public Total Total
        {
            get { return total; }
            set
            {
                total = value;
                UpdateControls();
            }
        }

        private void UpdateControls()
        {
            tbTotalName.Text = total.Name;
            cbxFunction.SelectedIndex = (int)total.TotalType;

            if (total.TotalType != TotalType.Count)
                cbxDataColumn.Text = total.Expression;

            if (total.Evaluator != null && cbxDataBand.Items.IndexOf(total.Evaluator) != -1)
                cbxDataBand.SelectedItem = total.Evaluator;

            cbInvisibleRows.Checked = total.IncludeInvisibleRows;
            tbEvaluateCondition.Text = total.EvaluateCondition;

            if (total.PrintOn != null && cbxPrintOn.Items.IndexOf(total.PrintOn) != -1)
                cbxPrintOn.SelectedItem = total.PrintOn;

            cbResetAfterPrint.Checked = total.ResetAfterPrint;
            cbResetRepeated.Checked = total.ResetOnReprint;
        }

        private void tbEvaluateCondition_ButtonClick(object sender, EventArgs e)
        {
            using (ExpressionEditorForm form = new ExpressionEditorForm(report))
            {
                form.ExpressionText = tbEvaluateCondition.Text;
                if (form.ShowDialog() == DialogResult.OK)
                    tbEvaluateCondition.Text = form.ExpressionText;
            }
        }

        private void cbxDataBand_SelectedIndexChanged(object sender, EventArgs e)
        {
            cbxPrintOn.Items.Clear();
            cbxPrintOn.Items.Add(0);

            if (cbxDataBand.SelectedIndex != -1)
            {
                DataBand dataBand = cbxDataBand.SelectedItem as DataBand;
                ObjectCollection list = new ObjectCollection();
                ReportPage page = dataBand.Page as ReportPage;
                while (page != null)
                {
                    list.AddRange(page.AllObjects);
                    if (page.Subreport != null)
                        page = page.Subreport.Page as ReportPage;
                    else
                        break;
                }

                foreach (Base c in list)
                {
                    Base band = c as BandBase;
                    if (c is ChildBand)
                        band = (c as ChildBand).GetTopParentBand;
                    if (band is DataFooterBand || band is GroupFooterBand ||
                      band is ColumnFooterBand || band is PageFooterBand || band is ReportSummaryBand)
                        cbxPrintOn.Items.Add(c);
                }
            }

            cbxPrintOn.SelectedIndex = 0;
        }

        private void cbxFunction_SelectedIndexChanged(object sender, EventArgs e)
        {
            cbxDataColumn.Enabled = cbxFunction.SelectedIndex != 4;
        }

        private void TotalEditorForm_FormClosed(object sender, FormClosedEventArgs e)
        {
            if (DialogResult == DialogResult.OK)
                Done();
        }

        private void Init()
        {
            cbxDataColumn.Report = report;
            cbxFunction.SelectedIndex = 0;

            foreach (Base c in report.AllObjects)
            {
                if (c is DataBand)
                    cbxDataBand.Items.Add(c);
            }
            if (cbxDataBand.Items.Count > 0)
                cbxDataBand.SelectedIndex = 0;

            Total total = new Total();
            total.Name = report.Dictionary.CreateUniqueName("Total");
            Total = total;
        }

        private void Done()
        {
            total.Name = tbTotalName.Text;
            total.TotalType = (TotalType)cbxFunction.SelectedIndex;

            total.Expression = cbxDataColumn.Text;

            if (cbxDataBand.SelectedIndex != -1)
                total.Evaluator = cbxDataBand.SelectedItem as DataBand;
            else
                total.Evaluator = null;

            total.IncludeInvisibleRows = cbInvisibleRows.Checked;
            total.EvaluateCondition = tbEvaluateCondition.Text;

            if (cbxPrintOn.SelectedIndex != 0)
                total.PrintOn = cbxPrintOn.SelectedItem as BandBase;
            else
                total.PrintOn = null;
            total.ResetAfterPrint = cbResetAfterPrint.Checked;
            total.ResetOnReprint = cbResetRepeated.Checked;
        }

        public override void Localize()
        {
            base.Localize();
            MyRes res = new MyRes("Forms,TotalEditor");
            Text = res.Get("");
            gbTotal.Text = res.Get("Total");
            lblTotalName.Text = res.Get("TotalName");
            lblFunction.Text = res.Get("Function");
            lblDataColumnOrExpression.Text = res.Get("DataColumnOrExpression");
            lblDataBand.Text = res.Get("DataBand");
            lblEvaluateCondition.Text = res.Get("EvaluateCondition");
            lblPrintOn.Text = res.Get("PrintOn");
            gbOptions.Text = res.Get("Options");
            cbResetAfterPrint.Text = res.Get("ResetAfterPrint");
            cbResetRepeated.Text = res.Get("ResetRepeated");
            cbInvisibleRows.Text = res.Get("InvisibleRows");
            cbxFunction.Items.AddRange(new object[] {
                res.Get("Sum"), res.Get("Min"), res.Get("Max"), res.Get("Avg"), res.Get("Count"), res.Get("CountDistinct") });
        }

        public override void UpdateDpiDependencies()
        {
            base.UpdateDpiDependencies();
            cbxDataBand.ItemHeight = this.LogicalToDevice(16);
            cbxPrintOn.ItemHeight = this.LogicalToDevice(16);
            tbEvaluateCondition.Image = GetImage(52);
        }

        public TotalEditorForm(Designer designer)
        {
            report = designer.ActiveReport;
            page = designer.ActiveReportTab.ActivePage as ReportPage;
            InitializeComponent();
            Localize();
            Init();
            UIUtils.CheckRTL(this);
            UpdateDpiDependencies();
        }
    }


}