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WPF Docking Library

, 17 Jul 2007 CPOL 564.7K 17.1K 286
A WPF library to easily integrate Windows docking features in applications like VS
source.zip
DockingLibrary
DockingLibrary
bin
Debug
Release
ClassDiagram1.cd
icons
DockBottom.PNG
DockLeft.PNG
DockPane.PNG
DockRight.PNG
DockTop.PNG
Ritaglio.shs
Thumbs.db
images
DockBottom.PNG
DockLeft.PNG
DockPane.PNG
DockRight.PNG
DockTop.PNG
obj
Debug
Refactor
TempPE
themes
Release
Refactor
TempPE
themes
Properties
Settings.settings
themes
DockingLibraryDemo
bin
Debug
Release
Icons
props.ico
view_remove.ico
view_tree.ico
obj
Debug
TempPE
Release
TempPE
Properties
Settings.settings
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;

namespace DockingLibrary
{
    class DockablePane : Pane
    {
        public Dock Dock;
        
        public DockablePane(ManagedContent content, Dock dock)
        {
            Dock = dock;
            _tabs.TabStripPlacement = Dock.Bottom;
            

            Add(content);
        }
        private bool _hidden = false;

        public override bool Hidden
        {
            get
            {
                return _hidden;
            }
        }

        public override void Add(ManagedContent content)
        {
            base.Add(content);

            if (Contents.Count == 1)
            { 
                tbTitle.Text = content.Title;
                windowContent.Content = content.WindowContent;
            }
            else if (Contents.Count == 2)
            {
                ShowTabs();
                AddItem(Contents[0]);
                AddItem(content);
            }
            else
                AddItem(content);
        }

        public override void Remove(ManagedContent content)
        {
            base.Remove(content);

            RemoveItem(content);

            if (Contents.Count == 1)
            {
                RemoveItem(Contents[0]); 
                HideTabs();
                windowContent.Content = Contents[0].WindowContent;
                tbTitle.Text = Contents[0].Title;
            }
            else if (Contents.Count==0)
                windowContent.Content = null;
        }


        public override void Show()
        {
            if (!Hidden)
                return;

            if (Contents.Count == 1)
                windowContent.Content = Contents[0].WindowContent;
            else
            {
                foreach (ManagedContent content in Contents)
                    AddItem(content);

                windowContent.Content = _tabs;
            }

            _hidden = false;

            base.Show();
        }


        public override void Hide()
        {
            if (Hidden)
                return;

            //if (_tabs != null)
            //{
            foreach (TabItem item in _tabs.Items)
            {
                
                item.Content = null;
            }

            _tabs.Items.Clear();

            //}
            //else
            windowContent.Content = null;

            _hidden = true;

            base.Hide();
        }

        public override void AdjustSize()
        {
            if (Parent == null)
                return;

            Grid gridParent = (this.Parent as Grid).Parent as Grid;

            foreach (ColumnDefinition colDef in gridParent.ColumnDefinitions)
                if (!colDef.Width.IsStar)
                {
                    GridWidth = colDef.Width;
                    break;
                }
            foreach (RowDefinition rowDef in gridParent.RowDefinitions)
                if (!rowDef.Height.IsStar)
                {
                    GridHeight = rowDef.Height;
                    break;
                }

            base.AdjustSize();
        }


        #region Drag&Drop

        protected override void OnDragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(DockablePane)) ||
                e.Data.GetDataPresent(typeof(ManagedContent)))
            {
                panelDrag.Visibility = Visibility.Visible;
                e.Handled = true;
            }
            else
                e.Effects = DragDropEffects.None;
        }

        protected override void OnDragLeave(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(DockablePane)) ||
                e.Data.GetDataPresent(typeof(ManagedContent)))
            {
                panelDrag.Visibility = Visibility.Collapsed;
                e.Handled = true;
            }
            else
                e.Effects = DragDropEffects.None;
        }

        protected override void OnDrop(object sender, DragEventArgs e)
        {
            panelDrag.Visibility = Visibility.Collapsed;
            e.Effects = DragDropEffects.None;
        }

        protected override void OnDragOver(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(DockablePane)) ||
                e.Data.GetDataPresent(typeof(ManagedContent)))
            {
                panelDrag.Visibility = Visibility.Visible;
                e.Handled = true;
            }
        }



        protected override void OnDropInto(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(DockablePane)) ||
                e.Data.GetDataPresent(typeof(ManagedContent)))
            {
                FireOnDragEndEvent(e);

                panelDrag.Visibility = Visibility.Collapsed;
                e.Handled = true;
            }
        }

        protected override void OnDropDockLeft(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(DockablePane)) ||
                e.Data.GetDataPresent(typeof(ManagedContent)))
            {
                FireOnDragEndEvent(e, Dock.Left);

                panelDrag.Visibility = Visibility.Collapsed;
                e.Handled = true;
            }
        }
        protected override void OnDropDockRight(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(DockablePane)) ||
                e.Data.GetDataPresent(typeof(ManagedContent)))
            {
                FireOnDragEndEvent(e, Dock.Right);

                panelDrag.Visibility = Visibility.Collapsed;
                e.Handled = true;
            }
        }

        protected override void OnDropDockBottom(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(DockablePane)) ||
                e.Data.GetDataPresent(typeof(ManagedContent)))
            {
                FireOnDragEndEvent(e, Dock.Bottom);

                panelDrag.Visibility = Visibility.Collapsed;
                e.Handled = true;
            }
        }

        protected override void OnDropDockTop(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(DockablePane)) ||
                e.Data.GetDataPresent(typeof(ManagedContent)))
            {
                FireOnDragEndEvent(e, Dock.Top);

                panelDrag.Visibility = Visibility.Collapsed;
                e.Handled = true;
            }
        } 
        #endregion
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

adospace.NET
Systems Engineer
Italy Italy
I bought my first computer in Nov 1991, 21th and I started programming with QBasic under MSDOS.
Today my main interest is developping application with .NET 3.5.
Visit YouDev.net for tutorials on AvalonDock, download WPF controls, samples and code.

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