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143 lines
4.6 KiB
143 lines
4.6 KiB
/*************************************************************************************
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Extended WPF Toolkit
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Copyright (C) 2007-2013 Xceed Software Inc.
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This program is provided to you under the terms of the Microsoft Public
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License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
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For more features, controls, and fast professional support,
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pick up the Plus Edition at http://xceed.com/wpf_toolkit
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Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
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***********************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows.Data;
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using Xceed.Wpf.AvalonDock.Layout;
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using System.Windows;
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using System.Windows.Controls.Primitives;
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using System.Windows.Media;
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using Microsoft.Windows.Shell;
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namespace Xceed.Wpf.AvalonDock.Controls
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{
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public class LayoutDocumentFloatingWindowControl : LayoutFloatingWindowControl
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{
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static LayoutDocumentFloatingWindowControl()
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{
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DefaultStyleKeyProperty.OverrideMetadata(typeof(LayoutDocumentFloatingWindowControl), new FrameworkPropertyMetadata(typeof(LayoutDocumentFloatingWindowControl)));
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}
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internal LayoutDocumentFloatingWindowControl(LayoutDocumentFloatingWindow model)
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:base(model)
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{
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_model = model;
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}
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LayoutDocumentFloatingWindow _model;
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public override ILayoutElement Model
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{
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get { return _model; }
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}
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public LayoutItem RootDocumentLayoutItem
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{
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get { return _model.Root.Manager.GetLayoutItemFromModel(_model.RootDocument); }
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}
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protected override void OnInitialized(EventArgs e)
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{
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base.OnInitialized(e);
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if (_model.RootDocument == null)
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{
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InternalClose();
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}
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else
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{
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var manager = _model.Root.Manager;
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Content = manager.CreateUIElementForModel(_model.RootDocument);
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_model.RootDocumentChanged += new EventHandler(_model_RootDocumentChanged);
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}
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}
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void _model_RootDocumentChanged(object sender, EventArgs e)
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{
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if (_model.RootDocument == null)
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{
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InternalClose();
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}
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}
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protected override IntPtr FilterMessage(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
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{
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switch (msg)
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{
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case Win32Helper.WM_NCLBUTTONDOWN: //Left button down on title -> start dragging over docking manager
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if (wParam.ToInt32() == Win32Helper.HT_CAPTION)
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{
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if (_model.RootDocument != null)
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_model.RootDocument.IsActive = true;
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}
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break;
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case Win32Helper.WM_NCRBUTTONUP:
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if (wParam.ToInt32() == Win32Helper.HT_CAPTION)
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{
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if (OpenContextMenu())
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handled = true;
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if (_model.Root.Manager.ShowSystemMenu)
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WindowChrome.GetWindowChrome(this).ShowSystemMenu = !handled;
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else
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WindowChrome.GetWindowChrome(this).ShowSystemMenu = false;
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}
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break;
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}
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return base.FilterMessage(hwnd, msg, wParam, lParam, ref handled);
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}
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bool OpenContextMenu()
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{
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var ctxMenu = _model.Root.Manager.DocumentContextMenu;
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if (ctxMenu != null && RootDocumentLayoutItem != null)
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{
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ctxMenu.PlacementTarget = null;
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ctxMenu.Placement = PlacementMode.MousePoint;
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ctxMenu.DataContext = RootDocumentLayoutItem;
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ctxMenu.IsOpen = true;
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return true;
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}
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return false;
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}
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protected override void OnClosed(EventArgs e)
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{
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var root = Model.Root;
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root.Manager.RemoveFloatingWindow(this);
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root.CollectGarbage();
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base.OnClosed(e);
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if (!CloseInitiatedByUser)
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{
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root.FloatingWindows.Remove(_model);
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}
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_model.RootDocumentChanged -= new EventHandler(_model_RootDocumentChanged);
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}
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}
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}
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