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 * 
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 * that the following conditions are met: 
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 *     following disclaimer. 
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 *     following disclaimer in the documentation and/or other 
 *     materials provided with the distribution. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
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 */
 
using System.Drawing;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Help;
using XenAPI;

namespace XenAdmin.SettingsPanels
{
    public partial class SrReadCachingEditPage : UserControl, IEditPage
    {
        private SR sr;
        public SrReadCachingEditPage()
        {
            InitializeComponent();
            Text = Messages.READ_CACHING;
        }

        public string SubText => checkBoxEnableReadCaching.Checked ? Messages.ENABLED : Messages.DISABLED;

        public Image Image => Images.StaticImages._000_Storage_h32bit_16;

        public AsyncAction SaveSettings()
        {
            sr.SetReadCachingEnabled(checkBoxEnableReadCaching.Checked);
            return null;
        }

        public void SetXenObjects(IXenObject orig, IXenObject clone)
        {
            sr = clone as SR;
            if (sr == null)
                return;
            checkBoxEnableReadCaching.Checked = sr.GetReadCachingEnabled();
        }

        public bool ValidToSave => true;

        public void ShowLocalValidationMessages()
        { }

        public void HideLocalValidationMessages()
        { }

        public void Cleanup()
        { }

        public bool HasChanged => checkBoxEnableReadCaching.Checked != sr.GetReadCachingEnabled();

        private void linkLabelTellMeMore_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            HelpManager.Launch("StorageReadCaching");
        }
    }
}