using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using CMS.DataEngine;
using CMS.FormControls;
using CMS.FormEngine;
using CMS.GlobalHelper;
using CMS.CMSHelper;
using CMS.ExtendedControls;
using CMS.SettingsProvider;
using CMS.SiteProvider;

public partial class CMSFormControls_Basic_MetaFileUploadControl : FormEngineUserControl
{
    #region "Variables"

    private string mValue = null;

    #endregion


    #region "Properties"

    /// <summary>
    /// Gets or sets the enabled state of the control.
    /// </summary>
    public override bool Enabled
    {
        get
        {
            return fileUploader.Enabled;
        }
        set
        {
            fileUploader.Enabled = value;
        }
    }


    /// <summary>
    /// Gets or sets field value.
    /// </summary>
    public override object Value
    {
        get
        {
            return mValue;
        }
        set
        {
            mValue = (value != null ? value.ToString() : null);
        }
    }


    /// <summary>
    /// Field info object.
    /// </summary>
    public override FormFieldInfo FieldInfo
    {
        get
        {
            return base.FieldInfo;
        }
        set
        {
            base.FieldInfo = value;
            fileUploader.FieldInfo = value;
        }
    }


    /// <summary>
    /// Indicates if control is placed on live site.
    /// </summary>
    public override bool IsLiveSite
    {
        get
        {
            return fileUploader.IsLiveSite;
        }
        set
        {
            fileUploader.IsLiveSite = value;
        }
    }

    #endregion


    #region "Page events"

    protected void Page_Load(object sender, EventArgs e)
    {
        // Set control properties from parent Form
        if (Form != null)
        {
            Form.OnBeforeRedirect += new EventHandler(Form_OnBeforeRedirect);

            if (Form is UIForm)
            {
                BaseInfo info = ((UIForm)Form).EditedObject as BaseInfo;

                if (info != null)
                {
                    fileUploader.ObjectType = info.TypeInfo.ObjectType;

                    if (info.Generalized.ObjectSiteID > 0)
                    {
                        fileUploader.SiteID = info.Generalized.ObjectSiteID;
                    }

                    fileUploader.ObjectID = info.Generalized.ObjectID;
                }
            }
            else if (Form.EditedObject is IDataClass)
            {
                IDataClass item = Form.EditedObject as IDataClass;

                if (item != null)
                {
                    fileUploader.ObjectType = item.ClassName;

                    if (!string.IsNullOrEmpty(Form.SiteName))
                    {
                        fileUploader.SiteID = SiteInfoProvider.GetSiteID(Form.SiteName);
                    }

                    fileUploader.ObjectID = item.ID;
                }
            }

            // Set metafile category
            fileUploader.Category = ValidationHelper.GetString(GetValue("ObjectCategory"), CMSConstants.OBJECT_CATEGORY_THUMBNAIL);
        }

        // Set style properties of control
        if (!String.IsNullOrEmpty(ControlStyle))
        {
            fileUploader.Attributes.Add("style", ControlStyle);
            ControlStyle = null;
        }
        if (!String.IsNullOrEmpty(CssClass))
        {
            fileUploader.CssClass = CssClass;
            CssClass = null;
        }

        CheckFieldEmptiness = false;
    }


    private void Form_OnBeforeRedirect(object sender, EventArgs e)
    {
        if (Form.Mode == FormModeEnum.Insert)
        {
            // Set ID of created object
            if (Form is UIForm)
            {
                BaseInfo info = ((UIForm)Form).EditedObject as BaseInfo;

                if (info != null)
                {
                    fileUploader.ObjectID = info.Generalized.ObjectID;
                }
            }
            else if (Form.EditedObject is IDataClass)
            {
                IDataClass item = Form.EditedObject as IDataClass;

                if (item != null)
                {
                    fileUploader.ObjectID = item.ID;
                }
            }

            // Upload new metafile
            fileUploader.UploadFile();
        }
    }

    #endregion

}