mirrorfielddefinition.cs

EpiInfo 开源的导航系统远程序,不知道在哪里下的了,分享一下,有兴趣的

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Epi.Fields;


namespace Epi.Windows.MakeView.Dialogs.FieldDefinitionDialogs
{

    /// <summary>
    /// Field definition dialog for mirror fields
    /// </summary>
    public partial class MirrorFieldDefinition : GenericFieldDefinition
    {

        private MirrorField field;

        /// <summary>
        /// Default Constsructor, for exclusive use by the designer.
        /// </summary>
        public MirrorFieldDefinition()
        {
            InitializeComponent();
        }

        /// <summary>
        /// Constructor for Mirror Field Definition
        /// </summary>
        /// <param name="frm">The main form</param>
        /// <param name="page">The page</param>
		public MirrorFieldDefinition(MainForm frm, Page page) : base(frm)
		{
			InitializeComponent();
			this.mode = FormMode.Create;
			this.page = page;
            PopulateVariables();
			cbxAssignedVariable.SelectedIndex = -1;
		}
        
        /// <summary>
        /// Constructor for Mirror Field Definition
        /// </summary>
        /// <param name="frm">The main form</param>
        /// <param name="field">The mirror field</param>
		public MirrorFieldDefinition(MainForm frm, MirrorField field) : base(frm)
		{
			InitializeComponent();
			this.mode = FormMode.Edit;
			this.field = field;
			this.page = field.Page;
            PopulateVariables();
			cbxAssignedVariable.SelectedIndex = -1;
			LoadFormData();
		}

        private void PopulateVariables()
        {
            foreach (IDataField field in this.page.GetView().Fields.DataFields)
            {
                cbxAssignedVariable.Items.Add(field);
            }
        }

        private void LoadFormData()
        {
            txtPrompt.Text = field.PromptText;
            txtFieldName.Text = field.Name;
            if (field.SourceFieldId > 0)
            {
                cbxAssignedVariable.SelectedItem = field.SourceField;
            }
            promptFont = field.PromptFont;
            controlFont = field.ControlFont;
        }

        /// <summary>
        /// Sets the field's properties based on GUI values
        /// </summary>
        protected override void SetFieldProperties()
        {
            field.Name = txtFieldName.Text;
            field.PromptText = txtPrompt.Text;
            if (!string.IsNullOrEmpty(cbxAssignedVariable.Text))
            {
                field.SourceFieldId = ((Field)cbxAssignedVariable.SelectedItem).Id;
            }
            if (promptFont != null)
            {
                field.PromptFont = promptFont;
            }
            if (controlFont != null)
            {
                field.ControlFont = controlFont;
            }
        }

        /// <summary>
        /// Gets the field defined by this field definition dialog
        /// </summary>
        public override RenderableField Field
        {
            get
            {
                return field;
            }
        }

    }
}