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f2e4f61732
the private field selectionManager. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
126 lines
4.5 KiB
C#
126 lines
4.5 KiB
C#
/* Copyright (c) Citrix Systems Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Windows.Forms;
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namespace XenAdmin.Commands
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{
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/// <summary>
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/// A class used to broad-cast MainWindow's current selection to <see cref="CommandToolStripMenuItem"/>s
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/// and <see cref="CommandToolStripButton"/>s.
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/// </summary>
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internal abstract class SelectionBroadcaster : IDisposable
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{
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/// <summary>
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/// Raises the <see cref="SelectionChanged"/> event.
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/// </summary>
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/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
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protected virtual void OnSelectionChanged(EventArgs e)
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{
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EventHandler handler = SelectionChanged;
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if (handler != null)
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{
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handler(null, e);
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}
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}
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/// <summary>
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/// Binds this object to any <see cref="CommandToolStripMenuItem"/>s and <see cref="CommandToolStripButton"/>s
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/// that are found in the specified <see cref="ToolStripItemCollection"/>.
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/// </summary>
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public void BindTo(ToolStripItemCollection toolStripItems, IMainWindow mainWindow)
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{
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Util.ThrowIfParameterNull(toolStripItems, "toolStripItems");
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foreach (ToolStripItem item in toolStripItems)
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{
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ICommandControl commandControl = item as ICommandControl;
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if (commandControl != null)
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BindTo(commandControl, mainWindow);
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ToolStripDropDownItem dropDownItem = item as ToolStripDropDownItem;
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if (dropDownItem != null)
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{
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BindTo(dropDownItem.DropDownItems, mainWindow);
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}
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}
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}
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/// <summary>
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/// Bind this object to a single control
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/// </summary>
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public void BindTo(ICommandControl control, IMainWindow mainWindow)
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{
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((ICommand)control.Command).SetMainWindow(mainWindow);
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control.SelectionBroadcaster = this;
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing)
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{
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SelectionChanged = null;
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}
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}
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/// <summary>
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/// Gets the current selection which will be used by listening <see cref="CommandToolStripMenuItem"/>s and
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/// <see cref="CommandToolStripButton"/>s.
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/// </summary>
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public abstract SelectedItemCollection Selection { get;}
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public abstract void RefreshSelection();
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/// <summary>
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/// Occurs when the selection changes.
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/// </summary>
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public event EventHandler SelectionChanged;
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#region IDisposable Members
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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#endregion
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}
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}
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