using DevComponents.DotNetBar.Rendering;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;

namespace DevComponents.DotNetBar.Design
{
    public class ListBoxAdvDesigner : BarBaseControlDesigner
    {
        public ListBoxAdvDesigner()
        {
            this.EnableItemDragDrop = true;
        }

        public override void Initialize(IComponent component)
        {
            base.Initialize(component);
            if (component == null || component.Site == null || !component.Site.DesignMode)
                return;

#if !TRIAL
            IDesignerHost dh = this.GetService(typeof(IDesignerHost)) as IDesignerHost;
            if (dh != null)
                dh.LoadComplete += new EventHandler(dh_LoadComplete);
#endif
        }

#if FRAMEWORK20
        public override void InitializeNewComponent(IDictionary defaultValues)
        {
            base.InitializeNewComponent(defaultValues);
            SetDesignTimeDefaults();
        }
#else
		public override void OnSetComponentDefaults()
		{
            SetDesignTimeDefaults();
			base.OnSetComponentDefaults();
		}
#endif

        protected virtual void SetDesignTimeDefaults()
        {
            ListBoxAdv panel = this.Control as ListBoxAdv;
            panel.BackgroundStyle.Class = ElementStyleClassKeys.ListBoxAdvKey;
            panel.AutoScroll = true;
#if !TRIAL
            string key = GetLicenseKey();
            panel.LicenseKey = key;
#endif
        }

        public override DesignerVerbCollection Verbs
        {
            get
            {
                Bar bar = this.Control as Bar;
                DesignerVerb[] verbs = null;
                verbs = new DesignerVerb[]
						{
							new DesignerVerb("Add ListBoxItem", new EventHandler(CreateListBoxItem))
                        };
                return new DesignerVerbCollection(verbs);
            }
        }

        protected virtual void CreateListBoxItem(object sender, EventArgs e)
        {
            OnSubItemsChanging();
            CreateListBoxItem(this.GetDefaultNewItemContainer());
            OnSubItemsChanged();
        }

        protected virtual void CreateListBoxItem(BaseItem parent)
        {
            if (parent == null)
                return;
            ListBoxAdv listBox = this.Control as ListBoxAdv;
            IDesignerHost dh = (IDesignerHost)GetService(typeof(IDesignerHost));
            if (dh != null)
            {
                DesignerTransaction trans = dh.CreateTransaction("Adding new item");
                try
                {
                    m_CreatingItem = true;
                    ListBoxItem item = dh.CreateComponent(typeof(ListBoxItem)) as ListBoxItem;
                    if (item == null)
                        return;

                    IComponentChangeService cc = this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
                    if (listBox != null && cc != null)
                        cc.OnComponentChanging(listBox, TypeDescriptor.GetProperties(typeof(ListBoxAdv))["Items"]);
                    item.Text = string.Format("Item {0}", parent.SubItems.Count + 1);
                    listBox.Items.Add(item);

                    this.RecalcLayout();

                    if (listBox != null && cc != null)
                        cc.OnComponentChanged(listBox, TypeDescriptor.GetProperties(typeof(ListBoxAdv))["Items"], null, null);

                    OnitemCreated(item);
                }
                catch
                {
                    trans.Cancel();
                }
                finally
                {
                    if (!trans.Canceled)
                        trans.Commit();
                    m_CreatingItem = false;
                }
            }
        }


        protected override bool GetHitTest(Point pt)
        {
            ListBoxAdv panel = this.Control as ListBoxAdv;
            if (panel != null && panel.IsHandleCreated && panel.AutoScroll)
            {
                Point p = panel.PointToClient(pt);
                if (panel.VScrollBar != null && panel.VScrollBar.Bounds.Contains(p))
                    return true;
                if (panel.HScrollBar != null && panel.HScrollBar.Bounds.Contains(p))
                    return true;

            }
            return base.GetHitTest(pt);
        }

        #region Licensing Stuff
#if !TRIAL
        protected string GetLicenseKey()
        {
            string key = "";
            Microsoft.Win32.RegistryKey regkey = Microsoft.Win32.Registry.LocalMachine;
            regkey = regkey.OpenSubKey("Software\\DevComponents\\Licenses", false);
            if (regkey != null)
            {
                object keyValue = regkey.GetValue("DevComponents.DotNetBar.DotNetBarManager2");
                if (keyValue != null)
                    key = keyValue.ToString();
            }
            return key;
        }
        private void dh_LoadComplete(object sender, EventArgs e)
        {
            IDesignerHost dh = this.GetService(typeof(IDesignerHost)) as IDesignerHost;
            if (dh != null)
                dh.LoadComplete -= new EventHandler(dh_LoadComplete);

            string key = GetLicenseKey();
            ItemPanel bar = this.Control as ItemPanel;
            if (key != "" && bar != null && bar.LicenseKey == "" && bar.LicenseKey != key)
                TypeDescriptor.GetProperties(bar)["LicenseKey"].SetValue(bar, key);
        }
#endif
        #endregion
    }
}