blob: 4f319e1beb7b4b56e24b7a7f3aad5fd4d52c326d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*************************************************************************************
Extended WPF Toolkit
Copyright (C) 2007-2013 Xceed Software Inc.
This program is provided to you under the terms of the Microsoft Public
License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
For more features, controls, and fast professional support,
pick up the Plus Edition at http://xceed.com/wpf_toolkit
Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
***********************************************************************************/
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace Xceed.Wpf.AvalonDock.Layout
{
public static class Extensions
{
#region Public Methods
public static IEnumerable<ILayoutElement> Descendents( this ILayoutElement element )
{
var container = element as ILayoutContainer;
if( container != null )
{
foreach( var childElement in container.Children )
{
yield return childElement;
foreach( var childChildElement in childElement.Descendents() )
yield return childChildElement;
}
}
}
public static T FindParent<T>( this ILayoutElement element ) //where T : ILayoutContainer
{
var parent = element.Parent;
while( parent != null &&
!( parent is T ) )
parent = parent.Parent;
return ( T )parent;
}
public static ILayoutRoot GetRoot( this ILayoutElement element ) //where T : ILayoutContainer
{
if( element is ILayoutRoot )
return element as ILayoutRoot;
var parent = element.Parent;
while( parent != null &&
!( parent is ILayoutRoot ) )
parent = parent.Parent;
return ( ILayoutRoot )parent;
}
public static bool ContainsChildOfType<T>( this ILayoutContainer element )
{
foreach( var childElement in element.Descendents() )
if( childElement is T )
return true;
return false;
}
public static bool ContainsChildOfType<T, S>( this ILayoutContainer container )
{
foreach( var childElement in container.Descendents() )
if( childElement is T || childElement is S )
return true;
return false;
}
public static bool IsOfType<T, S>( this ILayoutContainer container )
{
return container is T || container is S;
}
public static AnchorSide GetSide( this ILayoutElement element )
{
var parentContainer = element.Parent as ILayoutOrientableGroup;
if( parentContainer != null )
{
var layoutPanel = parentContainer as LayoutPanel;
if( layoutPanel == null )
{
layoutPanel = parentContainer.FindParent<LayoutPanel>();
}
if( (layoutPanel != null) && ( layoutPanel.Children.Count > 0 ) )
{
if( layoutPanel.Orientation == System.Windows.Controls.Orientation.Horizontal )
return layoutPanel.Children[ 0 ].Descendents().Contains( element ) ? AnchorSide.Left : AnchorSide.Right;
return layoutPanel.Children[ 0 ].Descendents().Contains( element ) ? AnchorSide.Top : AnchorSide.Bottom;
}
}
Debug.Fail( "Unable to find the side for an element, possible layout problem!" );
return AnchorSide.Right;
}
#endregion
#region Internal Methods
internal static void KeepInsideNearestMonitor( this ILayoutElementForFloatingWindow paneInsideFloatingWindow )
{
Win32Helper.RECT r = new Win32Helper.RECT();
r.Left = ( int )paneInsideFloatingWindow.FloatingLeft;
r.Top = ( int )paneInsideFloatingWindow.FloatingTop;
r.Bottom = r.Top + ( int )paneInsideFloatingWindow.FloatingHeight;
r.Right = r.Left + ( int )paneInsideFloatingWindow.FloatingWidth;
uint MONITOR_DEFAULTTONEAREST = 0x00000002;
uint MONITOR_DEFAULTTONULL = 0x00000000;
System.IntPtr monitor = Win32Helper.MonitorFromRect( ref r, MONITOR_DEFAULTTONULL );
if( monitor == System.IntPtr.Zero )
{
System.IntPtr nearestmonitor = Win32Helper.MonitorFromRect( ref r, MONITOR_DEFAULTTONEAREST );
if( nearestmonitor != System.IntPtr.Zero )
{
Win32Helper.MonitorInfo monitorInfo = new Win32Helper.MonitorInfo();
monitorInfo.Size = Marshal.SizeOf( monitorInfo );
Win32Helper.GetMonitorInfo( nearestmonitor, monitorInfo );
if( paneInsideFloatingWindow.FloatingLeft < monitorInfo.Work.Left )
{
paneInsideFloatingWindow.FloatingLeft = monitorInfo.Work.Left + 10;
}
if( paneInsideFloatingWindow.FloatingLeft + paneInsideFloatingWindow.FloatingWidth > monitorInfo.Work.Right )
{
paneInsideFloatingWindow.FloatingLeft = monitorInfo.Work.Right - ( paneInsideFloatingWindow.FloatingWidth + 10 );
}
if( paneInsideFloatingWindow.FloatingTop < monitorInfo.Work.Top )
{
paneInsideFloatingWindow.FloatingTop = monitorInfo.Work.Top + 10;
}
if( paneInsideFloatingWindow.FloatingTop + paneInsideFloatingWindow.FloatingHeight > monitorInfo.Work.Bottom )
{
paneInsideFloatingWindow.FloatingTop = monitorInfo.Work.Bottom - ( paneInsideFloatingWindow.FloatingHeight + 10 );
}
}
}
}
#endregion
}
}
|
