using System;
using System.Diagnostics.CodeAnalysis;
using System.Drawing;

namespace WeifenLuo.WinFormsUI.Docking {
  public sealed class DockPanelExtender {
    [SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
    public interface IDockPaneFactory {
      DockPane CreateDockPane(IDockContent content, DockState visibleState, bool show);
      [SuppressMessage("Microsoft.Naming", "CA1720:AvoidTypeNamesInParameters", MessageId = "1#")]
      DockPane CreateDockPane(IDockContent content, FloatWindow floatWindow, bool show);
      DockPane CreateDockPane(IDockContent content, DockPane previousPane, DockAlignment alignment, double proportion, bool show);
      [SuppressMessage("Microsoft.Naming", "CA1720:AvoidTypeNamesInParameters", MessageId = "1#")]
      DockPane CreateDockPane(IDockContent content, Rectangle floatWindowBounds, bool show);
    }

    [SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
    public interface IFloatWindowFactory {
      FloatWindow CreateFloatWindow(DockPanel dockPanel, DockPane pane);
      FloatWindow CreateFloatWindow(DockPanel dockPanel, DockPane pane, Rectangle bounds);
    }

    [SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
    public interface IDockPaneCaptionFactory {
      DockPaneCaptionBase CreateDockPaneCaption(DockPane pane);
    }

    [SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
    public interface IDockPaneStripFactory {
      DockPaneStripBase CreateDockPaneStrip(DockPane pane);
    }

    [SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
    public interface IAutoHideStripFactory {
      AutoHideStripBase CreateAutoHideStrip(DockPanel panel);
    }

    #region DefaultDockPaneFactory
    private class DefaultDockPaneFactory : IDockPaneFactory {
      public DockPane CreateDockPane(IDockContent content, DockState visibleState, bool show) {
        return new DockPane(content, visibleState, show);
      }

      public DockPane CreateDockPane(IDockContent content, FloatWindow floatWindow, bool show) {
        return new DockPane(content, floatWindow, show);
      }

      public DockPane CreateDockPane(IDockContent content, DockPane prevPane, DockAlignment alignment, double proportion, bool show) {
        return new DockPane(content, prevPane, alignment, proportion, show);
      }

      public DockPane CreateDockPane(IDockContent content, Rectangle floatWindowBounds, bool show) {
        return new DockPane(content, floatWindowBounds, show);
      }
    }
    #endregion

    #region DefaultFloatWindowFactory
    private class DefaultFloatWindowFactory : IFloatWindowFactory {
      public FloatWindow CreateFloatWindow(DockPanel dockPanel, DockPane pane) {
        return new FloatWindow(dockPanel, pane);
      }

      public FloatWindow CreateFloatWindow(DockPanel dockPanel, DockPane pane, Rectangle bounds) {
        return new FloatWindow(dockPanel, pane, bounds);
      }
    }
    #endregion

    #region DefaultDockPaneCaptionFactory
    private class DefaultDockPaneCaptionFactory : IDockPaneCaptionFactory {
      public DockPaneCaptionBase CreateDockPaneCaption(DockPane pane) {
        return new VS2005DockPaneCaption(pane);
      }
    }
    #endregion

    #region DefaultDockPaneTabStripFactory
    private class DefaultDockPaneStripFactory : IDockPaneStripFactory {
      public DockPaneStripBase CreateDockPaneStrip(DockPane pane) {
        return new VS2005DockPaneStrip(pane);
      }
    }
    #endregion

    #region DefaultAutoHideStripFactory
    private class DefaultAutoHideStripFactory : IAutoHideStripFactory {
      public AutoHideStripBase CreateAutoHideStrip(DockPanel panel) {
        return new VS2005AutoHideStrip(panel);
      }
    }
    #endregion

    internal DockPanelExtender(DockPanel dockPanel) {
      m_dockPanel = dockPanel;
    }

    private DockPanel m_dockPanel;
    private DockPanel DockPanel {
      get { return m_dockPanel; }
    }

    private IDockPaneFactory m_dockPaneFactory = null;
    public IDockPaneFactory DockPaneFactory {
      get {
        if (m_dockPaneFactory == null)
          m_dockPaneFactory = new DefaultDockPaneFactory();

        return m_dockPaneFactory;
      }
      set {
        if (DockPanel.Panes.Count > 0)
          throw new InvalidOperationException();

        m_dockPaneFactory = value;
      }
    }

    private IFloatWindowFactory m_floatWindowFactory = null;
    public IFloatWindowFactory FloatWindowFactory {
      get {
        if (m_floatWindowFactory == null)
          m_floatWindowFactory = new DefaultFloatWindowFactory();

        return m_floatWindowFactory;
      }
      set {
        if (DockPanel.FloatWindows.Count > 0)
          throw new InvalidOperationException();

        m_floatWindowFactory = value;
      }
    }

    private IDockPaneCaptionFactory m_dockPaneCaptionFactory = null;
    public IDockPaneCaptionFactory DockPaneCaptionFactory {
      get {
        if (m_dockPaneCaptionFactory == null)
          m_dockPaneCaptionFactory = new DefaultDockPaneCaptionFactory();

        return m_dockPaneCaptionFactory;
      }
      set {
        if (DockPanel.Panes.Count > 0)
          throw new InvalidOperationException();

        m_dockPaneCaptionFactory = value;
      }
    }

    private IDockPaneStripFactory m_dockPaneStripFactory = null;
    public IDockPaneStripFactory DockPaneStripFactory {
      get {
        if (m_dockPaneStripFactory == null)
          m_dockPaneStripFactory = new DefaultDockPaneStripFactory();

        return m_dockPaneStripFactory;
      }
      set {
        if (DockPanel.Contents.Count > 0)
          throw new InvalidOperationException();

        m_dockPaneStripFactory = value;
      }
    }

    private IAutoHideStripFactory m_autoHideStripFactory = null;
    public IAutoHideStripFactory AutoHideStripFactory {
      get {
        if (m_autoHideStripFactory == null)
          m_autoHideStripFactory = new DefaultAutoHideStripFactory();

        return m_autoHideStripFactory;
      }
      set {
        if (DockPanel.Contents.Count > 0)
          throw new InvalidOperationException();

        if (m_autoHideStripFactory == value)
          return;

        m_autoHideStripFactory = value;
        DockPanel.ResetAutoHideStripControl();
      }
    }
  }
}