Mini Kabibi Habibi

using System;
using System.Collections.Generic;
using System.Windows;
using DevExpress.Xpf.Core.Native;
using DevExpress.Xpf.DemoBase;
using DevExpress.Xpf.Docking;

namespace DockingDemo {
    public class DockingDemoModule : DemoModule {
        #region static
        public static readonly DependencyProperty DockLayoutManagerProperty;
        static DockingDemoModule() {
            DockLayoutManagerProperty = DependencyProperty.Register(
                "DockLayoutManager", typeof(DockLayoutManager), typeof(DockingDemoModule), new FrameworkPropertyMetadata(null));
        }
        #endregion
        public DockingDemoModule() {

        }
        protected override bool CanLeave() {
            return true;
        }
        List<DockLayoutManager> DisposeList;
        protected override void RaiseBeforeModuleDisappear() {
            base.RaiseBeforeModuleDisappear();
            DisposeList = new List<DockLayoutManager>();
            VisualTreeEnumerator e = new VisualTreeEnumerator(this);
            while(e.MoveNext()) {
                DockLayoutManager manager = e.Current as DockLayoutManager;
                if(manager != null) {
                    DisposeList.Add(manager);
                    manager.Visibility = Visibility.Collapsed;
                    foreach(FloatGroup fGroup in manager.FloatGroups) {
                        fGroup.IsOpen = false;
                    }
                }
            }
        }
        protected override void RaiseAfterModuleDisappear() {
            base.RaiseAfterModuleDisappear();
            if(DisposeList != null) {
                foreach(DockLayoutManager manager in DisposeList)
                    manager.Dispose();
                DisposeList.Clear();
                DisposeList = null;
            }
        }
        protected void NavigateHomePage() {
            System.Diagnostics.Process.Start("http://www.devexpress.com");
        }
        protected void ShowAbout() {
        }
        DockLayoutManager container;
        protected virtual DockLayoutManager Container {
            get {
                if(container == null) container = FindDockLayoutManager();
                return container;
            }
        }
        public DockLayoutManager FindDockLayoutManager() {
            VisualTreeEnumerator e = new VisualTreeEnumerator(this);
            while(e.MoveNext()) {
                DockLayoutManager manager = e.Current as DockLayoutManager;
                if(manager != null) return manager;
            }
            return null;
        }
        protected override void RaiseIsPopupContentInvisibleChanged(DependencyPropertyChangedEventArgs e) {
            base.RaiseIsPopupContentInvisibleChanged(e);
            if(Container == null) return;
            if(object.Equals(e.NewValue, true))
                HideFloatGroups(Container);
            else
                ShowFloatGroups(Container);
        }
        void ShowFloatGroups(DockLayoutManager dockLayoutManager) {
            foreach(FloatGroup floatGroup in dockLayoutManager.FloatGroups) {
                if(floatGroup.ShouldRestoreOnActivate) {
                    floatGroup.ShouldRestoreOnActivate = false;
                    if(!floatGroup.IsOpen) floatGroup.IsOpen = true;
                }
            }
        }
        void HideFloatGroups(DockLayoutManager dockLayoutManager) {
            foreach(FloatGroup floatGroup in dockLayoutManager.FloatGroups) {
                if(floatGroup.IsOpen) {
                    floatGroup.ShouldRestoreOnActivate = true;
                    if(floatGroup.IsOpen) floatGroup.IsOpen = false;
                }
            }
        }
    }
}