[2134] | 1 | using System;
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| 2 | using System.Windows.Forms;
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| 3 | using System.Drawing;
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| 4 | using System.ComponentModel;
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| 5 | using System.Diagnostics.CodeAnalysis;
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| 6 |
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| 7 | namespace WeifenLuo.WinFormsUI.Docking
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| 8 | {
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| 9 | public delegate string GetPersistStringCallback();
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| 10 |
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| 11 | public class DockContentHandler : IDisposable, IDockDragSource
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| 12 | {
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| 13 | public DockContentHandler(Form form) : this(form, null)
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| 14 | {
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| 15 | }
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| 16 |
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| 17 | public DockContentHandler(Form form, GetPersistStringCallback getPersistStringCallback)
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| 18 | {
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| 19 | if (!(form is IDockContent))
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| 20 | throw new ArgumentException(Strings.DockContent_Constructor_InvalidForm, "form");
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| 21 |
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| 22 | m_form = form;
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| 23 | m_getPersistStringCallback = getPersistStringCallback;
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| 24 |
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| 25 | m_events = new EventHandlerList();
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| 26 | Form.Disposed +=new EventHandler(Form_Disposed);
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| 27 | Form.TextChanged += new EventHandler(Form_TextChanged);
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| 28 | }
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| 29 |
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| 30 | public void Dispose()
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| 31 | {
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| 32 | Dispose(true);
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| 33 | GC.SuppressFinalize(this);
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| 34 | }
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| 35 |
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| 36 | protected virtual void Dispose(bool disposing)
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| 37 | {
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| 38 | if(disposing)
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| 39 | {
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| 40 | lock(this)
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| 41 | {
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| 42 | DockPanel = null;
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| 43 | if (m_autoHideTab != null)
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| 44 | m_autoHideTab.Dispose();
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| 45 | if (m_tab != null)
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| 46 | m_tab.Dispose();
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| 47 |
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| 48 | Form.Disposed -= new EventHandler(Form_Disposed);
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| 49 | Form.TextChanged -= new EventHandler(Form_TextChanged);
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| 50 | m_events.Dispose();
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| 51 | }
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| 52 | }
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| 53 | }
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| 54 |
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| 55 | private Form m_form;
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| 56 | public Form Form
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| 57 | {
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| 58 | get { return m_form; }
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| 59 | }
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| 60 |
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| 61 | public IDockContent Content
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| 62 | {
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| 63 | get { return Form as IDockContent; }
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| 64 | }
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| 65 |
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| 66 | private IDockContent m_previousActive = null;
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| 67 | public IDockContent PreviousActive
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| 68 | {
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| 69 | get { return m_previousActive; }
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| 70 | internal set { m_previousActive = value; }
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| 71 | }
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| 72 |
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| 73 | private IDockContent m_nextActive = null;
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| 74 | public IDockContent NextActive
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| 75 | {
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| 76 | get { return m_nextActive; }
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| 77 | internal set { m_nextActive = value; }
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| 78 | }
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| 79 |
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| 80 | private EventHandlerList m_events;
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| 81 | private EventHandlerList Events
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| 82 | {
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| 83 | get { return m_events; }
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| 84 | }
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| 85 |
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| 86 | private bool m_allowEndUserDocking = true;
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| 87 | public bool AllowEndUserDocking
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| 88 | {
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| 89 | get { return m_allowEndUserDocking; }
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| 90 | set { m_allowEndUserDocking = value; }
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| 91 | }
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| 92 |
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| 93 | private double m_autoHidePortion = 0.25;
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| 94 | public double AutoHidePortion
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| 95 | {
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| 96 | get { return m_autoHidePortion; }
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| 97 | set
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| 98 | {
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| 99 | if (value <= 0)
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| 100 | throw(new ArgumentOutOfRangeException(Strings.DockContentHandler_AutoHidePortion_OutOfRange));
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| 101 |
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| 102 | if (m_autoHidePortion == value)
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| 103 | return;
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| 104 |
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| 105 | m_autoHidePortion = value;
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| 106 |
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| 107 | if (DockPanel == null)
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| 108 | return;
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| 109 |
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| 110 | if (DockPanel.ActiveAutoHideContent == Content)
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| 111 | DockPanel.PerformLayout();
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| 112 | }
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| 113 | }
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| 114 |
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| 115 | private bool m_closeButton = true;
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| 116 | public bool CloseButton
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| 117 | {
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| 118 | get { return m_closeButton; }
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| 119 | set
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| 120 | {
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| 121 | if (m_closeButton == value)
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| 122 | return;
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| 123 |
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| 124 | m_closeButton = value;
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| 125 | if (Pane != null)
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| 126 | if (Pane.ActiveContent.DockHandler == this)
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| 127 | Pane.RefreshChanges();
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| 128 | }
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| 129 | }
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| 130 |
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| 131 | private bool m_closeButtonVisible = true;
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| 132 | /// <summary>
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| 133 | /// Determines whether the close button is visible on the content
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| 134 | /// </summary>
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| 135 | public bool CloseButtonVisible
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| 136 | {
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| 137 | get { return m_closeButtonVisible; }
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| 138 | set { m_closeButtonVisible = value; }
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| 139 | }
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| 140 |
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| 141 | private DockState DefaultDockState
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| 142 | {
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| 143 | get
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| 144 | {
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| 145 | if (ShowHint != DockState.Unknown && ShowHint != DockState.Hidden)
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| 146 | return ShowHint;
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| 147 |
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| 148 | if ((DockAreas & DockAreas.Document) != 0)
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| 149 | return DockState.Document;
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| 150 | if ((DockAreas & DockAreas.DockRight) != 0)
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| 151 | return DockState.DockRight;
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| 152 | if ((DockAreas & DockAreas.DockLeft) != 0)
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| 153 | return DockState.DockLeft;
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| 154 | if ((DockAreas & DockAreas.DockBottom) != 0)
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| 155 | return DockState.DockBottom;
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| 156 | if ((DockAreas & DockAreas.DockTop) != 0)
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| 157 | return DockState.DockTop;
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| 158 |
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| 159 | return DockState.Unknown;
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| 160 | }
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| 161 | }
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| 162 |
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| 163 | private DockState DefaultShowState
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| 164 | {
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| 165 | get
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| 166 | {
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| 167 | if (ShowHint != DockState.Unknown)
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| 168 | return ShowHint;
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| 169 |
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| 170 | if ((DockAreas & DockAreas.Document) != 0)
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| 171 | return DockState.Document;
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| 172 | if ((DockAreas & DockAreas.DockRight) != 0)
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| 173 | return DockState.DockRight;
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| 174 | if ((DockAreas & DockAreas.DockLeft) != 0)
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| 175 | return DockState.DockLeft;
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| 176 | if ((DockAreas & DockAreas.DockBottom) != 0)
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| 177 | return DockState.DockBottom;
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| 178 | if ((DockAreas & DockAreas.DockTop) != 0)
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| 179 | return DockState.DockTop;
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| 180 | if ((DockAreas & DockAreas.Float) != 0)
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| 181 | return DockState.Float;
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| 182 |
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| 183 | return DockState.Unknown;
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| 184 | }
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| 185 | }
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| 186 |
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| 187 | private DockAreas m_allowedAreas = DockAreas.DockLeft | DockAreas.DockRight | DockAreas.DockTop | DockAreas.DockBottom | DockAreas.Document | DockAreas.Float;
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| 188 | public DockAreas DockAreas
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| 189 | {
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| 190 | get { return m_allowedAreas; }
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| 191 | set
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| 192 | {
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| 193 | if (m_allowedAreas == value)
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| 194 | return;
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| 195 |
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| 196 | if (!DockHelper.IsDockStateValid(DockState, value))
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| 197 | throw(new InvalidOperationException(Strings.DockContentHandler_DockAreas_InvalidValue));
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| 198 |
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| 199 | m_allowedAreas = value;
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| 200 |
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| 201 | if (!DockHelper.IsDockStateValid(ShowHint, m_allowedAreas))
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| 202 | ShowHint = DockState.Unknown;
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| 203 | }
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| 204 | }
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| 205 |
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| 206 | private DockState m_dockState = DockState.Unknown;
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| 207 | public DockState DockState
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| 208 | {
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| 209 | get { return m_dockState; }
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| 210 | set
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| 211 | {
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| 212 | if (m_dockState == value)
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| 213 | return;
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| 214 |
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| 215 | DockPanel.SuspendLayout(true);
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| 216 |
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| 217 | if (value == DockState.Hidden)
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| 218 | IsHidden = true;
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| 219 | else
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| 220 | SetDockState(false, value, Pane);
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| 221 |
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| 222 | DockPanel.ResumeLayout(true, true);
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| 223 | }
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| 224 | }
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| 225 |
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| 226 | private DockPanel m_dockPanel = null;
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| 227 | public DockPanel DockPanel
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| 228 | {
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| 229 | get { return m_dockPanel; }
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| 230 | set
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| 231 | {
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| 232 | if (m_dockPanel == value)
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| 233 | return;
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| 234 |
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| 235 | Pane = null;
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| 236 |
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| 237 | if (m_dockPanel != null)
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| 238 | m_dockPanel.RemoveContent(Content);
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| 239 |
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| 240 | if (m_tab != null)
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| 241 | {
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| 242 | m_tab.Dispose();
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| 243 | m_tab = null;
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| 244 | }
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| 245 |
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| 246 | if (m_autoHideTab != null)
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| 247 | {
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| 248 | m_autoHideTab.Dispose();
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| 249 | m_autoHideTab = null;
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| 250 | }
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| 251 |
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| 252 | m_dockPanel = value;
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| 253 |
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| 254 | if (m_dockPanel != null)
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| 255 | {
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| 256 | m_dockPanel.AddContent(Content);
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| 257 | Form.TopLevel = false;
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| 258 | Form.FormBorderStyle = FormBorderStyle.None;
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| 259 | Form.ShowInTaskbar = false;
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| 260 | Form.WindowState = FormWindowState.Normal;
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| 261 | NativeMethods.SetWindowPos(Form.Handle, IntPtr.Zero, 0, 0, 0, 0,
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| 262 | Win32.FlagsSetWindowPos.SWP_NOACTIVATE |
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| 263 | Win32.FlagsSetWindowPos.SWP_NOMOVE |
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| 264 | Win32.FlagsSetWindowPos.SWP_NOSIZE |
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| 265 | Win32.FlagsSetWindowPos.SWP_NOZORDER |
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| 266 | Win32.FlagsSetWindowPos.SWP_NOOWNERZORDER |
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| 267 | Win32.FlagsSetWindowPos.SWP_FRAMECHANGED);
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| 268 | }
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| 269 | }
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| 270 | }
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| 271 |
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| 272 | public Icon Icon
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| 273 | {
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| 274 | get { return Form.Icon; }
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| 275 | }
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| 276 |
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| 277 | public DockPane Pane
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| 278 | {
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| 279 | get { return IsFloat ? FloatPane : PanelPane; }
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| 280 | set
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| 281 | {
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| 282 | if (Pane == value)
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| 283 | return;
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| 284 |
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| 285 | DockPanel.SuspendLayout(true);
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| 286 |
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| 287 | DockPane oldPane = Pane;
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| 288 |
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| 289 | SuspendSetDockState();
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| 290 | FloatPane = (value == null ? null : (value.IsFloat ? value : FloatPane));
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| 291 | PanelPane = (value == null ? null : (value.IsFloat ? PanelPane : value));
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| 292 | ResumeSetDockState(IsHidden, value != null ? value.DockState : DockState.Unknown, oldPane);
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| 293 |
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| 294 | DockPanel.ResumeLayout(true, true);
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| 295 | }
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| 296 | }
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| 297 |
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| 298 | private bool m_isHidden = true;
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| 299 | public bool IsHidden
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| 300 | {
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| 301 | get { return m_isHidden; }
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| 302 | set
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| 303 | {
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| 304 | if (m_isHidden == value)
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| 305 | return;
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| 306 |
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| 307 | SetDockState(value, VisibleState, Pane);
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| 308 | }
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| 309 | }
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| 310 |
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| 311 | private string m_tabText = null;
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| 312 | public string TabText
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| 313 | {
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| 314 | get { return m_tabText == null || m_tabText == "" ? Form.Text : m_tabText; }
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| 315 | set
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| 316 | {
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| 317 | if (m_tabText == value)
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| 318 | return;
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| 319 |
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| 320 | m_tabText = value;
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| 321 | if (Pane != null)
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| 322 | Pane.RefreshChanges();
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| 323 | }
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| 324 | }
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| 325 |
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| 326 | private DockState m_visibleState = DockState.Unknown;
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| 327 | public DockState VisibleState
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| 328 | {
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| 329 | get { return m_visibleState; }
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| 330 | set
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| 331 | {
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| 332 | if (m_visibleState == value)
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| 333 | return;
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| 334 |
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| 335 | SetDockState(IsHidden, value, Pane);
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| 336 | }
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| 337 | }
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| 338 |
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| 339 | private bool m_isFloat = false;
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| 340 | public bool IsFloat
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| 341 | {
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| 342 | get { return m_isFloat; }
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| 343 | set
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| 344 | {
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| 345 | if (m_isFloat == value)
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| 346 | return;
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| 347 |
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| 348 | DockState visibleState = CheckDockState(value);
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| 349 |
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| 350 | if (visibleState == DockState.Unknown)
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| 351 | throw new InvalidOperationException(Strings.DockContentHandler_IsFloat_InvalidValue);
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| 352 |
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| 353 | SetDockState(IsHidden, visibleState, Pane);
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| 354 | }
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| 355 | }
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| 356 |
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| 357 | [SuppressMessage("Microsoft.Naming", "CA1720:AvoidTypeNamesInParameters")]
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| 358 | public DockState CheckDockState(bool isFloat)
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| 359 | {
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| 360 | DockState dockState;
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| 361 |
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| 362 | if (isFloat)
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| 363 | {
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| 364 | if (!IsDockStateValid(DockState.Float))
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| 365 | dockState = DockState.Unknown;
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| 366 | else
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| 367 | dockState = DockState.Float;
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| 368 | }
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| 369 | else
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| 370 | {
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| 371 | dockState = (PanelPane != null) ? PanelPane.DockState : DefaultDockState;
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| 372 | if (dockState != DockState.Unknown && !IsDockStateValid(dockState))
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| 373 | dockState = DockState.Unknown;
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| 374 | }
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| 375 |
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| 376 | return dockState;
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| 377 | }
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| 378 |
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| 379 | private DockPane m_panelPane = null;
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| 380 | public DockPane PanelPane
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| 381 | {
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| 382 | get { return m_panelPane; }
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| 383 | set
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| 384 | {
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| 385 | if (m_panelPane == value)
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| 386 | return;
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| 387 |
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| 388 | if (value != null)
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| 389 | {
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| 390 | if (value.IsFloat || value.DockPanel != DockPanel)
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| 391 | throw new InvalidOperationException(Strings.DockContentHandler_DockPane_InvalidValue);
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| 392 | }
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| 393 |
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| 394 | DockPane oldPane = Pane;
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| 395 |
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| 396 | if (m_panelPane != null)
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| 397 | RemoveFromPane(m_panelPane);
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| 398 | m_panelPane = value;
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| 399 | if (m_panelPane != null)
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| 400 | {
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| 401 | m_panelPane.AddContent(Content);
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| 402 | SetDockState(IsHidden, IsFloat ? DockState.Float : m_panelPane.DockState, oldPane);
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| 403 | }
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| 404 | else
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| 405 | SetDockState(IsHidden, DockState.Unknown, oldPane);
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| 406 | }
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| 407 | }
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| 408 |
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| 409 | private void RemoveFromPane(DockPane pane)
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| 410 | {
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| 411 | pane.RemoveContent(Content);
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| 412 | SetPane(null);
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| 413 | if (pane.Contents.Count == 0)
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| 414 | pane.Dispose();
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| 415 | }
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| 416 |
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| 417 | private DockPane m_floatPane = null;
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| 418 | public DockPane FloatPane
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| 419 | {
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| 420 | get { return m_floatPane; }
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| 421 | set
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| 422 | {
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| 423 | if (m_floatPane == value)
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| 424 | return;
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| 425 |
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| 426 | if (value != null)
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| 427 | {
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| 428 | if (!value.IsFloat || value.DockPanel != DockPanel)
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| 429 | throw new InvalidOperationException(Strings.DockContentHandler_FloatPane_InvalidValue);
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| 430 | }
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| 431 |
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| 432 | DockPane oldPane = Pane;
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| 433 |
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| 434 | if (m_floatPane != null)
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| 435 | RemoveFromPane(m_floatPane);
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| 436 | m_floatPane = value;
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| 437 | if (m_floatPane != null)
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| 438 | {
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| 439 | m_floatPane.AddContent(Content);
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| 440 | SetDockState(IsHidden, IsFloat ? DockState.Float : VisibleState, oldPane);
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| 441 | }
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| 442 | else
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| 443 | SetDockState(IsHidden, DockState.Unknown, oldPane);
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| 444 | }
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| 445 | }
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| 446 |
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| 447 | private int m_countSetDockState = 0;
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| 448 | private void SuspendSetDockState()
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| 449 | {
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| 450 | m_countSetDockState ++;
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| 451 | }
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| 452 |
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| 453 | private void ResumeSetDockState()
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| 454 | {
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| 455 | m_countSetDockState --;
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| 456 | if (m_countSetDockState < 0)
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| 457 | m_countSetDockState = 0;
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| 458 | }
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| 459 |
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| 460 | internal bool IsSuspendSetDockState
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| 461 | {
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| 462 | get { return m_countSetDockState != 0; }
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| 463 | }
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| 464 |
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| 465 | private void ResumeSetDockState(bool isHidden, DockState visibleState, DockPane oldPane)
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| 466 | {
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| 467 | ResumeSetDockState();
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| 468 | SetDockState(isHidden, visibleState, oldPane);
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| 469 | }
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| 470 |
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| 471 | internal void SetDockState(bool isHidden, DockState visibleState, DockPane oldPane)
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| 472 | {
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| 473 | if (IsSuspendSetDockState)
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| 474 | return;
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| 475 |
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| 476 | if (DockPanel == null && visibleState != DockState.Unknown)
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| 477 | throw new InvalidOperationException(Strings.DockContentHandler_SetDockState_NullPanel);
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| 478 |
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| 479 | if (visibleState == DockState.Hidden || (visibleState != DockState.Unknown && !IsDockStateValid(visibleState)))
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| 480 | throw new InvalidOperationException(Strings.DockContentHandler_SetDockState_InvalidState);
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| 481 |
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| 482 | DockPanel dockPanel = DockPanel;
|
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| 483 | if (dockPanel != null)
|
---|
| 484 | dockPanel.SuspendLayout(true);
|
---|
| 485 |
|
---|
| 486 | SuspendSetDockState();
|
---|
| 487 |
|
---|
| 488 | DockState oldDockState = DockState;
|
---|
| 489 |
|
---|
| 490 | if (m_isHidden != isHidden || oldDockState == DockState.Unknown)
|
---|
| 491 | {
|
---|
| 492 | m_isHidden = isHidden;
|
---|
| 493 | }
|
---|
| 494 | m_visibleState = visibleState;
|
---|
| 495 | m_dockState = isHidden ? DockState.Hidden : visibleState;
|
---|
| 496 |
|
---|
| 497 | if (visibleState == DockState.Unknown)
|
---|
| 498 | Pane = null;
|
---|
| 499 | else
|
---|
| 500 | {
|
---|
| 501 | m_isFloat = (m_visibleState == DockState.Float);
|
---|
| 502 |
|
---|
| 503 | if (Pane == null)
|
---|
| 504 | Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, visibleState, true);
|
---|
| 505 | else if (Pane.DockState != visibleState)
|
---|
| 506 | {
|
---|
| 507 | if (Pane.Contents.Count == 1)
|
---|
| 508 | Pane.SetDockState(visibleState);
|
---|
| 509 | else
|
---|
| 510 | Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, visibleState, true);
|
---|
| 511 | }
|
---|
| 512 | }
|
---|
| 513 |
|
---|
| 514 | if (Form.ContainsFocus)
|
---|
| 515 | if (DockState == DockState.Hidden || DockState == DockState.Unknown)
|
---|
| 516 | DockPanel.ContentFocusManager.GiveUpFocus(Content);
|
---|
| 517 |
|
---|
| 518 | SetPaneAndVisible(Pane);
|
---|
| 519 |
|
---|
| 520 | if (oldPane != null && !oldPane.IsDisposed && oldDockState == oldPane.DockState)
|
---|
| 521 | RefreshDockPane(oldPane);
|
---|
| 522 |
|
---|
| 523 | if (Pane != null && DockState == Pane.DockState)
|
---|
| 524 | {
|
---|
| 525 | if ((Pane != oldPane) ||
|
---|
| 526 | (Pane == oldPane && oldDockState != oldPane.DockState))
|
---|
| 527 | // Avoid early refresh of hidden AutoHide panes
|
---|
| 528 | if ((Pane.DockWindow == null || Pane.DockWindow.Visible || Pane.IsHidden) && !Pane.IsAutoHide)
|
---|
| 529 | RefreshDockPane(Pane);
|
---|
| 530 | }
|
---|
| 531 |
|
---|
| 532 | if (oldDockState != DockState)
|
---|
| 533 | {
|
---|
| 534 | if (DockState == DockState.Hidden || DockState == DockState.Unknown ||
|
---|
| 535 | DockHelper.IsDockStateAutoHide(DockState))
|
---|
| 536 | DockPanel.ContentFocusManager.RemoveFromList(Content);
|
---|
| 537 | else
|
---|
| 538 | DockPanel.ContentFocusManager.AddToList(Content);
|
---|
| 539 |
|
---|
| 540 | OnDockStateChanged(EventArgs.Empty);
|
---|
| 541 | }
|
---|
| 542 | ResumeSetDockState();
|
---|
| 543 |
|
---|
| 544 | if (dockPanel != null)
|
---|
| 545 | dockPanel.ResumeLayout(true, true);
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | private static void RefreshDockPane(DockPane pane)
|
---|
| 549 | {
|
---|
| 550 | pane.RefreshChanges();
|
---|
| 551 | pane.ValidateActiveContent();
|
---|
| 552 | }
|
---|
| 553 |
|
---|
| 554 | internal string PersistString
|
---|
| 555 | {
|
---|
| 556 | get { return GetPersistStringCallback == null ? Form.GetType().ToString() : GetPersistStringCallback(); }
|
---|
| 557 | }
|
---|
| 558 |
|
---|
| 559 | private GetPersistStringCallback m_getPersistStringCallback = null;
|
---|
| 560 | public GetPersistStringCallback GetPersistStringCallback
|
---|
| 561 | {
|
---|
| 562 | get { return m_getPersistStringCallback; }
|
---|
| 563 | set { m_getPersistStringCallback = value; }
|
---|
| 564 | }
|
---|
| 565 |
|
---|
| 566 |
|
---|
| 567 | private bool m_hideOnClose = false;
|
---|
| 568 | public bool HideOnClose
|
---|
| 569 | {
|
---|
| 570 | get { return m_hideOnClose; }
|
---|
| 571 | set { m_hideOnClose = value; }
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 | private DockState m_showHint = DockState.Unknown;
|
---|
| 575 | public DockState ShowHint
|
---|
| 576 | {
|
---|
| 577 | get { return m_showHint; }
|
---|
| 578 | set
|
---|
| 579 | {
|
---|
| 580 | if (!DockHelper.IsDockStateValid(value, DockAreas))
|
---|
| 581 | throw (new InvalidOperationException(Strings.DockContentHandler_ShowHint_InvalidValue));
|
---|
| 582 |
|
---|
| 583 | if (m_showHint == value)
|
---|
| 584 | return;
|
---|
| 585 |
|
---|
| 586 | m_showHint = value;
|
---|
| 587 | }
|
---|
| 588 | }
|
---|
| 589 |
|
---|
| 590 | private bool m_isActivated = false;
|
---|
| 591 | public bool IsActivated
|
---|
| 592 | {
|
---|
| 593 | get { return m_isActivated; }
|
---|
| 594 | internal set
|
---|
| 595 | {
|
---|
| 596 | if (m_isActivated == value)
|
---|
| 597 | return;
|
---|
| 598 |
|
---|
| 599 | m_isActivated = value;
|
---|
| 600 | }
|
---|
| 601 | }
|
---|
| 602 |
|
---|
| 603 | public bool IsDockStateValid(DockState dockState)
|
---|
| 604 | {
|
---|
| 605 | if (DockPanel != null && dockState == DockState.Document && DockPanel.DocumentStyle == DocumentStyle.SystemMdi)
|
---|
| 606 | return false;
|
---|
| 607 | else
|
---|
| 608 | return DockHelper.IsDockStateValid(dockState, DockAreas);
|
---|
| 609 | }
|
---|
| 610 |
|
---|
| 611 | private ContextMenu m_tabPageContextMenu = null;
|
---|
| 612 | public ContextMenu TabPageContextMenu
|
---|
| 613 | {
|
---|
| 614 | get { return m_tabPageContextMenu; }
|
---|
| 615 | set { m_tabPageContextMenu = value; }
|
---|
| 616 | }
|
---|
| 617 |
|
---|
| 618 | private string m_toolTipText = null;
|
---|
| 619 | public string ToolTipText
|
---|
| 620 | {
|
---|
| 621 | get { return m_toolTipText; }
|
---|
| 622 | set { m_toolTipText = value; }
|
---|
| 623 | }
|
---|
| 624 |
|
---|
| 625 | public void Activate()
|
---|
| 626 | {
|
---|
| 627 | if (DockPanel == null)
|
---|
| 628 | Form.Activate();
|
---|
| 629 | else if (Pane == null)
|
---|
| 630 | Show(DockPanel);
|
---|
| 631 | else
|
---|
| 632 | {
|
---|
| 633 | IsHidden = false;
|
---|
| 634 | Pane.ActiveContent = Content;
|
---|
| 635 | if (DockState == DockState.Document && DockPanel.DocumentStyle == DocumentStyle.SystemMdi)
|
---|
| 636 | {
|
---|
| 637 | Form.Activate();
|
---|
| 638 | return;
|
---|
| 639 | }
|
---|
| 640 | else if (DockHelper.IsDockStateAutoHide(DockState))
|
---|
| 641 | DockPanel.ActiveAutoHideContent = Content;
|
---|
| 642 |
|
---|
| 643 | if (!Form.ContainsFocus)
|
---|
| 644 | DockPanel.ContentFocusManager.Activate(Content);
|
---|
| 645 | }
|
---|
| 646 | }
|
---|
| 647 |
|
---|
| 648 | public void GiveUpFocus()
|
---|
| 649 | {
|
---|
| 650 | DockPanel.ContentFocusManager.GiveUpFocus(Content);
|
---|
| 651 | }
|
---|
| 652 |
|
---|
| 653 | private IntPtr m_activeWindowHandle = IntPtr.Zero;
|
---|
| 654 | internal IntPtr ActiveWindowHandle
|
---|
| 655 | {
|
---|
| 656 | get { return m_activeWindowHandle; }
|
---|
| 657 | set { m_activeWindowHandle = value; }
|
---|
| 658 | }
|
---|
| 659 |
|
---|
| 660 | public void Hide()
|
---|
| 661 | {
|
---|
| 662 | IsHidden = true;
|
---|
| 663 | }
|
---|
| 664 |
|
---|
| 665 | internal void SetPaneAndVisible(DockPane pane)
|
---|
| 666 | {
|
---|
| 667 | SetPane(pane);
|
---|
| 668 | SetVisible();
|
---|
| 669 | }
|
---|
| 670 |
|
---|
| 671 | private void SetPane(DockPane pane)
|
---|
| 672 | {
|
---|
| 673 | if (pane != null && pane.DockState == DockState.Document && DockPanel.DocumentStyle == DocumentStyle.DockingMdi)
|
---|
| 674 | {
|
---|
| 675 | if (Form.Parent is DockPane)
|
---|
| 676 | SetParent(null);
|
---|
| 677 | if (Form.MdiParent != DockPanel.ParentForm)
|
---|
| 678 | {
|
---|
| 679 | FlagClipWindow = true;
|
---|
| 680 | Form.MdiParent = DockPanel.ParentForm;
|
---|
| 681 | }
|
---|
| 682 | }
|
---|
| 683 | else
|
---|
| 684 | {
|
---|
| 685 | FlagClipWindow = true;
|
---|
| 686 | if (Form.MdiParent != null)
|
---|
| 687 | Form.MdiParent = null;
|
---|
| 688 | if (Form.TopLevel)
|
---|
| 689 | Form.TopLevel = false;
|
---|
| 690 | SetParent(pane);
|
---|
| 691 | }
|
---|
| 692 | }
|
---|
| 693 |
|
---|
| 694 | internal void SetVisible()
|
---|
| 695 | {
|
---|
| 696 | bool visible;
|
---|
| 697 |
|
---|
| 698 | if (IsHidden)
|
---|
| 699 | visible = false;
|
---|
| 700 | else if (Pane != null && Pane.DockState == DockState.Document && DockPanel.DocumentStyle == DocumentStyle.DockingMdi)
|
---|
| 701 | visible = true;
|
---|
| 702 | else if (Pane != null && Pane.ActiveContent == Content)
|
---|
| 703 | visible = true;
|
---|
| 704 | else if (Pane != null && Pane.ActiveContent != Content)
|
---|
| 705 | visible = false;
|
---|
| 706 | else
|
---|
| 707 | visible = Form.Visible;
|
---|
| 708 |
|
---|
| 709 | if (Form.Visible != visible)
|
---|
| 710 | Form.Visible = visible;
|
---|
| 711 | }
|
---|
| 712 |
|
---|
| 713 | private void SetParent(Control value)
|
---|
| 714 | {
|
---|
| 715 | if (Form.Parent == value)
|
---|
| 716 | return;
|
---|
| 717 |
|
---|
| 718 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
---|
| 719 | // Workaround of .Net Framework bug:
|
---|
| 720 | // Change the parent of a control with focus may result in the first
|
---|
| 721 | // MDI child form get activated.
|
---|
| 722 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
---|
| 723 | bool bRestoreFocus = false;
|
---|
| 724 | if (Form.ContainsFocus)
|
---|
| 725 | {
|
---|
| 726 | //Suggested as a fix for a memory leak by bugreports
|
---|
| 727 | if (value == null && !IsFloat)
|
---|
| 728 | DockPanel.ContentFocusManager.GiveUpFocus(this.Content);
|
---|
| 729 | else
|
---|
| 730 | {
|
---|
| 731 | DockPanel.SaveFocus();
|
---|
| 732 | bRestoreFocus = true;
|
---|
| 733 | }
|
---|
| 734 | }
|
---|
| 735 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
---|
| 736 |
|
---|
| 737 | Form.Parent = value;
|
---|
| 738 |
|
---|
| 739 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
---|
| 740 | // Workaround of .Net Framework bug:
|
---|
| 741 | // Change the parent of a control with focus may result in the first
|
---|
| 742 | // MDI child form get activated.
|
---|
| 743 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
---|
| 744 | if (bRestoreFocus)
|
---|
| 745 | Activate();
|
---|
| 746 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
|
---|
| 747 | }
|
---|
| 748 |
|
---|
| 749 | public void Show()
|
---|
| 750 | {
|
---|
| 751 | if (DockPanel == null)
|
---|
| 752 | Form.Show();
|
---|
| 753 | else
|
---|
| 754 | Show(DockPanel);
|
---|
| 755 | }
|
---|
| 756 |
|
---|
| 757 | public void Show(DockPanel dockPanel)
|
---|
| 758 | {
|
---|
| 759 | if (dockPanel == null)
|
---|
| 760 | throw(new ArgumentNullException(Strings.DockContentHandler_Show_NullDockPanel));
|
---|
| 761 |
|
---|
| 762 | if (DockState == DockState.Unknown)
|
---|
| 763 | Show(dockPanel, DefaultShowState);
|
---|
| 764 | else
|
---|
| 765 | Activate();
|
---|
| 766 | }
|
---|
| 767 |
|
---|
| 768 | public void Show(DockPanel dockPanel, DockState dockState)
|
---|
| 769 | {
|
---|
| 770 | if (dockPanel == null)
|
---|
| 771 | throw(new ArgumentNullException(Strings.DockContentHandler_Show_NullDockPanel));
|
---|
| 772 |
|
---|
| 773 | if (dockState == DockState.Unknown || dockState == DockState.Hidden)
|
---|
| 774 | throw(new ArgumentException(Strings.DockContentHandler_Show_InvalidDockState));
|
---|
| 775 |
|
---|
| 776 | dockPanel.SuspendLayout(true);
|
---|
| 777 |
|
---|
| 778 | DockPanel = dockPanel;
|
---|
| 779 |
|
---|
| 780 | if (dockState == DockState.Float && FloatPane == null)
|
---|
| 781 | Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.Float, true);
|
---|
| 782 | else if (PanelPane == null)
|
---|
| 783 | {
|
---|
| 784 | DockPane paneExisting = null;
|
---|
| 785 | foreach (DockPane pane in DockPanel.Panes)
|
---|
| 786 | if (pane.DockState == dockState)
|
---|
| 787 | {
|
---|
| 788 | paneExisting = pane;
|
---|
| 789 | break;
|
---|
| 790 | }
|
---|
| 791 |
|
---|
| 792 | if (paneExisting == null)
|
---|
| 793 | Pane = DockPanel.DockPaneFactory.CreateDockPane(Content, dockState, true);
|
---|
| 794 | else
|
---|
| 795 | Pane = paneExisting;
|
---|
| 796 | }
|
---|
| 797 |
|
---|
| 798 | DockState = dockState;
|
---|
| 799 | dockPanel.ResumeLayout(true, true); //we'll resume the layout before activating to ensure that the position
|
---|
| 800 | Activate(); //and size of the form are finally processed before the form is shown
|
---|
| 801 | }
|
---|
| 802 |
|
---|
| 803 | [SuppressMessage("Microsoft.Naming", "CA1720:AvoidTypeNamesInParameters")]
|
---|
| 804 | public void Show(DockPanel dockPanel, Rectangle floatWindowBounds)
|
---|
| 805 | {
|
---|
| 806 | if (dockPanel == null)
|
---|
| 807 | throw(new ArgumentNullException(Strings.DockContentHandler_Show_NullDockPanel));
|
---|
| 808 |
|
---|
| 809 | dockPanel.SuspendLayout(true);
|
---|
| 810 |
|
---|
| 811 | DockPanel = dockPanel;
|
---|
| 812 | if (FloatPane == null)
|
---|
| 813 | {
|
---|
| 814 | IsHidden = true; // to reduce the screen flicker
|
---|
| 815 | FloatPane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.Float, false);
|
---|
| 816 | FloatPane.FloatWindow.StartPosition = FormStartPosition.Manual;
|
---|
| 817 | }
|
---|
| 818 |
|
---|
| 819 | FloatPane.FloatWindow.Bounds = floatWindowBounds;
|
---|
| 820 |
|
---|
| 821 | Show(dockPanel, DockState.Float);
|
---|
| 822 | Activate();
|
---|
| 823 |
|
---|
| 824 | dockPanel.ResumeLayout(true, true);
|
---|
| 825 | }
|
---|
| 826 |
|
---|
| 827 | public void Show(DockPane pane, IDockContent beforeContent)
|
---|
| 828 | {
|
---|
| 829 | if (pane == null)
|
---|
| 830 | throw(new ArgumentNullException(Strings.DockContentHandler_Show_NullPane));
|
---|
| 831 |
|
---|
| 832 | if (beforeContent != null && pane.Contents.IndexOf(beforeContent) == -1)
|
---|
| 833 | throw(new ArgumentException(Strings.DockContentHandler_Show_InvalidBeforeContent));
|
---|
| 834 |
|
---|
| 835 | pane.DockPanel.SuspendLayout(true);
|
---|
| 836 |
|
---|
| 837 | DockPanel = pane.DockPanel;
|
---|
| 838 | Pane = pane;
|
---|
| 839 | pane.SetContentIndex(Content, pane.Contents.IndexOf(beforeContent));
|
---|
| 840 | Show();
|
---|
| 841 |
|
---|
| 842 | pane.DockPanel.ResumeLayout(true, true);
|
---|
| 843 | }
|
---|
| 844 |
|
---|
| 845 | public void Show(DockPane previousPane, DockAlignment alignment, double proportion)
|
---|
| 846 | {
|
---|
| 847 | if (previousPane == null)
|
---|
| 848 | throw(new ArgumentException(Strings.DockContentHandler_Show_InvalidPrevPane));
|
---|
| 849 |
|
---|
| 850 | if (DockHelper.IsDockStateAutoHide(previousPane.DockState))
|
---|
| 851 | throw(new ArgumentException(Strings.DockContentHandler_Show_InvalidPrevPane));
|
---|
| 852 |
|
---|
| 853 | previousPane.DockPanel.SuspendLayout(true);
|
---|
| 854 |
|
---|
| 855 | DockPanel = previousPane.DockPanel;
|
---|
| 856 | DockPanel.DockPaneFactory.CreateDockPane(Content, previousPane, alignment, proportion, true);
|
---|
| 857 | Show();
|
---|
| 858 |
|
---|
| 859 | previousPane.DockPanel.ResumeLayout(true, true);
|
---|
| 860 | }
|
---|
| 861 |
|
---|
| 862 | public void Close()
|
---|
| 863 | {
|
---|
| 864 | DockPanel dockPanel = DockPanel;
|
---|
| 865 | if (dockPanel != null)
|
---|
| 866 | dockPanel.SuspendLayout(true);
|
---|
| 867 | Form.Close();
|
---|
| 868 | if (dockPanel != null)
|
---|
| 869 | dockPanel.ResumeLayout(true, true);
|
---|
| 870 |
|
---|
| 871 | }
|
---|
| 872 |
|
---|
| 873 | private DockPaneStripBase.Tab m_tab = null;
|
---|
| 874 | internal DockPaneStripBase.Tab GetTab(DockPaneStripBase dockPaneStrip)
|
---|
| 875 | {
|
---|
| 876 | if (m_tab == null)
|
---|
| 877 | m_tab = dockPaneStrip.CreateTab(Content);
|
---|
| 878 |
|
---|
| 879 | return m_tab;
|
---|
| 880 | }
|
---|
| 881 |
|
---|
| 882 | private IDisposable m_autoHideTab = null;
|
---|
| 883 | internal IDisposable AutoHideTab
|
---|
| 884 | {
|
---|
| 885 | get { return m_autoHideTab; }
|
---|
| 886 | set { m_autoHideTab = value; }
|
---|
| 887 | }
|
---|
| 888 |
|
---|
| 889 | #region Events
|
---|
| 890 | private static readonly object DockStateChangedEvent = new object();
|
---|
| 891 | public event EventHandler DockStateChanged
|
---|
| 892 | {
|
---|
| 893 | add { Events.AddHandler(DockStateChangedEvent, value); }
|
---|
| 894 | remove { Events.RemoveHandler(DockStateChangedEvent, value); }
|
---|
| 895 | }
|
---|
| 896 | protected virtual void OnDockStateChanged(EventArgs e)
|
---|
| 897 | {
|
---|
| 898 | EventHandler handler = (EventHandler)Events[DockStateChangedEvent];
|
---|
| 899 | if (handler != null)
|
---|
| 900 | handler(this, e);
|
---|
| 901 | }
|
---|
| 902 | #endregion
|
---|
| 903 |
|
---|
| 904 | private void Form_Disposed(object sender, EventArgs e)
|
---|
| 905 | {
|
---|
| 906 | Dispose();
|
---|
| 907 | }
|
---|
| 908 |
|
---|
| 909 | private void Form_TextChanged(object sender, EventArgs e)
|
---|
| 910 | {
|
---|
| 911 | if (DockHelper.IsDockStateAutoHide(DockState))
|
---|
| 912 | DockPanel.RefreshAutoHideStrip();
|
---|
| 913 | else if (Pane != null)
|
---|
| 914 | {
|
---|
| 915 | if (Pane.FloatWindow != null)
|
---|
| 916 | Pane.FloatWindow.SetText();
|
---|
| 917 | Pane.RefreshChanges();
|
---|
| 918 | }
|
---|
| 919 | }
|
---|
| 920 |
|
---|
| 921 | private bool m_flagClipWindow = false;
|
---|
| 922 | internal bool FlagClipWindow
|
---|
| 923 | {
|
---|
| 924 | get { return m_flagClipWindow; }
|
---|
| 925 | set
|
---|
| 926 | {
|
---|
| 927 | if (m_flagClipWindow == value)
|
---|
| 928 | return;
|
---|
| 929 |
|
---|
| 930 | m_flagClipWindow = value;
|
---|
| 931 | if (m_flagClipWindow)
|
---|
| 932 | Form.Region = new Region(Rectangle.Empty);
|
---|
| 933 | else
|
---|
| 934 | Form.Region = null;
|
---|
| 935 | }
|
---|
| 936 | }
|
---|
| 937 |
|
---|
| 938 | private ContextMenuStrip m_tabPageContextMenuStrip = null;
|
---|
| 939 | public ContextMenuStrip TabPageContextMenuStrip
|
---|
| 940 | {
|
---|
| 941 | get { return m_tabPageContextMenuStrip; }
|
---|
| 942 | set { m_tabPageContextMenuStrip = value; }
|
---|
| 943 | }
|
---|
| 944 |
|
---|
| 945 | #region IDockDragSource Members
|
---|
| 946 |
|
---|
| 947 | Control IDragSource.DragControl
|
---|
| 948 | {
|
---|
| 949 | get { return Form; }
|
---|
| 950 | }
|
---|
| 951 |
|
---|
| 952 | bool IDockDragSource.CanDockTo(DockPane pane)
|
---|
| 953 | {
|
---|
| 954 | if (!IsDockStateValid(pane.DockState))
|
---|
| 955 | return false;
|
---|
| 956 |
|
---|
| 957 | if (Pane == pane && pane.DisplayingContents.Count == 1)
|
---|
| 958 | return false;
|
---|
| 959 |
|
---|
| 960 | return true;
|
---|
| 961 | }
|
---|
| 962 |
|
---|
| 963 | Rectangle IDockDragSource.BeginDrag(Point ptMouse)
|
---|
| 964 | {
|
---|
| 965 | Size size;
|
---|
| 966 | DockPane floatPane = this.FloatPane;
|
---|
| 967 | if (DockState == DockState.Float || floatPane == null || floatPane.FloatWindow.NestedPanes.Count != 1)
|
---|
| 968 | size = DockPanel.DefaultFloatWindowSize;
|
---|
| 969 | else
|
---|
| 970 | size = floatPane.FloatWindow.Size;
|
---|
| 971 |
|
---|
| 972 | Point location;
|
---|
| 973 | Rectangle rectPane = Pane.ClientRectangle;
|
---|
| 974 | if (DockState == DockState.Document)
|
---|
| 975 | {
|
---|
| 976 | if (Pane.DockPanel.DocumentTabStripLocation == DocumentTabStripLocation.Bottom)
|
---|
| 977 | location = new Point(rectPane.Left, rectPane.Bottom - size.Height);
|
---|
| 978 | else
|
---|
| 979 | location = new Point(rectPane.Left, rectPane.Top);
|
---|
| 980 | }
|
---|
| 981 | else
|
---|
| 982 | {
|
---|
| 983 | location = new Point(rectPane.Left, rectPane.Bottom);
|
---|
| 984 | location.Y -= size.Height;
|
---|
| 985 | }
|
---|
| 986 | location = Pane.PointToScreen(location);
|
---|
| 987 |
|
---|
| 988 | if (ptMouse.X > location.X + size.Width)
|
---|
| 989 | location.X += ptMouse.X - (location.X + size.Width) + Measures.SplitterSize;
|
---|
| 990 |
|
---|
| 991 | return new Rectangle(location, size);
|
---|
| 992 | }
|
---|
| 993 |
|
---|
| 994 | public void FloatAt(Rectangle floatWindowBounds)
|
---|
| 995 | {
|
---|
| 996 | DockPane pane = DockPanel.DockPaneFactory.CreateDockPane(Content, floatWindowBounds, true);
|
---|
| 997 | }
|
---|
| 998 |
|
---|
| 999 | public void DockTo(DockPane pane, DockStyle dockStyle, int contentIndex)
|
---|
| 1000 | {
|
---|
| 1001 | if (dockStyle == DockStyle.Fill)
|
---|
| 1002 | {
|
---|
| 1003 | bool samePane = (Pane == pane);
|
---|
| 1004 | if (!samePane)
|
---|
| 1005 | Pane = pane;
|
---|
| 1006 |
|
---|
| 1007 | if (contentIndex == -1 || !samePane)
|
---|
| 1008 | pane.SetContentIndex(Content, contentIndex);
|
---|
| 1009 | else
|
---|
| 1010 | {
|
---|
| 1011 | DockContentCollection contents = pane.Contents;
|
---|
| 1012 | int oldIndex = contents.IndexOf(Content);
|
---|
| 1013 | int newIndex = contentIndex;
|
---|
| 1014 | if (oldIndex < newIndex)
|
---|
| 1015 | {
|
---|
| 1016 | newIndex += 1;
|
---|
| 1017 | if (newIndex > contents.Count -1)
|
---|
| 1018 | newIndex = -1;
|
---|
| 1019 | }
|
---|
| 1020 | pane.SetContentIndex(Content, newIndex);
|
---|
| 1021 | }
|
---|
| 1022 | }
|
---|
| 1023 | else
|
---|
| 1024 | {
|
---|
| 1025 | DockPane paneFrom = DockPanel.DockPaneFactory.CreateDockPane(Content, pane.DockState, true);
|
---|
| 1026 | INestedPanesContainer container = pane.NestedPanesContainer;
|
---|
| 1027 | if (dockStyle == DockStyle.Left)
|
---|
| 1028 | paneFrom.DockTo(container, pane, DockAlignment.Left, 0.5);
|
---|
| 1029 | else if (dockStyle == DockStyle.Right)
|
---|
| 1030 | paneFrom.DockTo(container, pane, DockAlignment.Right, 0.5);
|
---|
| 1031 | else if (dockStyle == DockStyle.Top)
|
---|
| 1032 | paneFrom.DockTo(container, pane, DockAlignment.Top, 0.5);
|
---|
| 1033 | else if (dockStyle == DockStyle.Bottom)
|
---|
| 1034 | paneFrom.DockTo(container, pane, DockAlignment.Bottom, 0.5);
|
---|
| 1035 |
|
---|
| 1036 | paneFrom.DockState = pane.DockState;
|
---|
| 1037 | }
|
---|
| 1038 | }
|
---|
| 1039 |
|
---|
| 1040 | public void DockTo(DockPanel panel, DockStyle dockStyle)
|
---|
| 1041 | {
|
---|
| 1042 | if (panel != DockPanel)
|
---|
| 1043 | throw new ArgumentException(Strings.IDockDragSource_DockTo_InvalidPanel, "panel");
|
---|
| 1044 |
|
---|
| 1045 | DockPane pane;
|
---|
| 1046 |
|
---|
| 1047 | if (dockStyle == DockStyle.Top)
|
---|
| 1048 | pane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.DockTop, true);
|
---|
| 1049 | else if (dockStyle == DockStyle.Bottom)
|
---|
| 1050 | pane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.DockBottom, true);
|
---|
| 1051 | else if (dockStyle == DockStyle.Left)
|
---|
| 1052 | pane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.DockLeft, true);
|
---|
| 1053 | else if (dockStyle == DockStyle.Right)
|
---|
| 1054 | pane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.DockRight, true);
|
---|
| 1055 | else if (dockStyle == DockStyle.Fill)
|
---|
| 1056 | pane = DockPanel.DockPaneFactory.CreateDockPane(Content, DockState.Document, true);
|
---|
| 1057 | else
|
---|
| 1058 | return;
|
---|
| 1059 | }
|
---|
| 1060 |
|
---|
| 1061 | #endregion
|
---|
| 1062 | }
|
---|
| 1063 | }
|
---|