70 lines
2.9 KiB
C#
70 lines
2.9 KiB
C#
//-----------------------------------------------------------------------
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// <copyright file="ConditionalClickWidget.cs" company="MatterHackers Inc.">
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// Copyright (c) 2014, Lars Brubaker
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those
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// of the authors and should not be interpreted as representing official policies,
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// either expressed or implied, of the FreeBSD Project.
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// </copyright>
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//-----------------------------------------------------------------------
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namespace MatterHackers.MatterControl
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{
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using System;
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/// <summary>
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/// The ConditionalClickWidget provides a ClickWidget that conditionally appears on the control surface to capture mouse input
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/// </summary>
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public class ConditionalClickWidget : ClickWidget
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{
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/// <summary>
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/// The delegate which provides the Enabled state
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/// </summary>
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private Func<bool> enabledCallback;
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/// <summary>
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/// Initializes a new instance of the ConditionalClickWidget class.
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/// </summary>
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/// <param name="enabledCallback">The delegate to </param>
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public ConditionalClickWidget(Func<bool> enabledCallback)
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{
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this.enabledCallback = enabledCallback;
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}
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/// <summary>
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/// Determines if the control is enabled
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/// </summary>
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public override bool Enabled
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{
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get
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{
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return this.enabledCallback();
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}
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set
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{
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throw new InvalidOperationException("Cannot set Enabled on ConditionalClickWidget");
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}
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}
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}
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}
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