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

namespace DevComponents.DotNetBar.Design
{
    /// <summary>
    /// Designer for ProgressSteps control.
    /// </summary>
    public class ProgressStepsDesigner : BarBaseControlDesigner
    {
        public ProgressStepsDesigner()
		{
			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()
        {
            ProgressSteps ps = this.Control as ProgressSteps;
            ps.BackgroundStyle.Class = ElementStyleClassKeys.ProgressStepsKey;
            BaseItem cont = this.GetDefaultNewItemContainer();
            StepItem item = CreateStepItem(cont);
            item.Text = "Step 1";
            item = CreateStepItem(cont);
            item.Text = "Step 2";
            item = CreateStepItem(cont);
            item.Text = "Step 3";

#if !TRIAL
            string key = GetLicenseKey();
            ps.LicenseKey = key;
#endif
        }

        public override DesignerVerbCollection Verbs
        {
            get
            {
                DesignerVerb[] verbs = null;
                verbs = new DesignerVerb[]
						{
							new DesignerVerb("Add Item", new EventHandler(CreateItem))
                        };
                return new DesignerVerbCollection(verbs);
            }
        }

        //protected override bool GetHitTest(Point pt)
        //{
        //    ItemPanel panel = this.Control as ItemPanel;
        //    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);
        //}

        private void CreateItem(object sender, EventArgs e)
        {
            OnSubItemsChanging();
            CreateStepItem(this.GetDefaultNewItemContainer());
            OnSubItemsChanged();
        }
        protected virtual StepItem CreateStepItem(BaseItem parent)
        {
            if (parent == null)
                return null;
            StepItem item = null;

            IDesignerHost dh = (IDesignerHost)GetService(typeof(IDesignerHost));
            if (dh != null)
            {
                DesignerTransaction trans = dh.CreateTransaction("Adding new item");
                try
                {
                    m_CreatingItem = true;
                    item = dh.CreateComponent(typeof(StepItem)) as StepItem;
                    if (item == null)
                        return null;

                    TypeDescriptor.GetProperties(item)["Text"].SetValue(item, item.Name);

                    IComponentChangeService cc = this.GetService(typeof(IComponentChangeService)) as IComponentChangeService;
                    if (parent != this.GetDefaultNewItemContainer() && cc != null)
                        cc.OnComponentChanging(parent, TypeDescriptor.GetProperties(typeof(BaseItem))["SubItems"]);

                    parent.SubItems.Add(item);
                    this.RecalcLayout();

                    if (parent != this.GetDefaultNewItemContainer() && cc != null)
                        cc.OnComponentChanged(parent, TypeDescriptor.GetProperties(typeof(BaseItem))["SubItems"], null, null);

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

        private void RemoveDescriptors(System.Collections.IDictionary properties, String[] propNames)
        {
            foreach (String propName in propNames)
            {
                if (properties.Contains(propName))
                {
                    if (properties[propName] is PropertyDescriptor)
                        properties[propName] = TypeDescriptor.CreateProperty(this.Component.GetType(), (PropertyDescriptor)properties[propName], new BrowsableAttribute(false));
                    else if (properties[propName] is EventDescriptor)
                        properties[propName] = TypeDescriptor.CreateEvent(this.Component.GetType(), (EventDescriptor)properties[propName], new BrowsableAttribute(false));
                    else
                        properties.Remove(propName);
                }
            }
        }

        protected override void PreFilterProperties(System.Collections.IDictionary properties)
        {
            base.PreFilterProperties(properties);
            RemoveDescriptors(properties,
                new String[] { "ForeColor" });
        }

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