//Copyright 2012-2019 Keysight Technologies
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//
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//Licensed under the Apache License, Version 2.0 (the "License");
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//you may not use this file except in compliance with the License.
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//You may obtain a copy of the License at
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//
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//http://www.apache.org/licenses/LICENSE-2.0
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//
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//Unless required by applicable law or agreed to in writing, software
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//distributed under the License is distributed on an "AS IS" BASIS,
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//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//See the License for the specific language governing permissions and
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//limitations under the License.
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using OpenTap;
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namespace OpenTap.Plugins.PluginDevelopment
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{
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public class ReadOnlyListElement
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{
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[Browsable(true)] public int X => GetHashCode();
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[Browsable(true)] public string Message => X + " example";
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public string Note { get; set; } = "Write notes here..";
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// The default `Equals` checks for reference equality, which causes OpenTAP to emit a warning
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// when multi-editing lists of this type because the list elements appear different.
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// Overriding Equals gets rid of this warning because the elements will then appear as equal.
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public override bool Equals(object obj)
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{
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if (obj is ReadOnlyListElement other)
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return Message == other.Message && Note == other.Note;
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return false;
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}
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public override int GetHashCode()
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{
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return Message.GetHashCode() * 901283 + Note.GetHashCode() * 17283;
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}
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}
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[Display("Read-Only List Example", "Demonstrates how to use a list where items cannot be added or removed." +
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" Elements themselves can be changed, but they are also mostly read-only.",
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Groups: new[] { "Examples", "Plugin Development", "Advanced Examples" })]
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public class ReadOnlyListExample : TestStep
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{
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List<ReadOnlyListElement> elements = new List<ReadOnlyListElement>
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{
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new ReadOnlyListElement(), new ReadOnlyListElement(), new ReadOnlyListElement(),
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};
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[Display("Elements", "Editing is very limited. Size is fixed but elements can be modified.")]
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public IReadOnlyList<ReadOnlyListElement> Elements
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{
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get => elements.AsReadOnly();
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// still support XML serialization/deserialization.
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set { elements = value.ToList(); }
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}
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public override void Run()
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{
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}
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}
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}
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