129 lines
4.1 KiB
C#
Executable File
129 lines
4.1 KiB
C#
Executable File
/* ElementViewModelBase.cs
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* part of zaaReloaded2
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*
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* Copyright 2015-2018 Daniel Kraus
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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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*/
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using System;
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using System.Linq;
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using zaaReloaded2.Controller.Elements;
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using System.Collections.ObjectModel;
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namespace zaaReloaded2.ViewModels
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{
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public class ControlElementViewModel : ElementViewModel
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{
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#region Properties
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/// <summary>
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/// Gets a collection of child ElementViewModels.
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/// </summary>
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public ObservableCollection<ElementViewModel> Elements { get; protected set; }
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/// <summary>
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/// Gets information whether this control element view model can
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/// have child elements;
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/// </summary>
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public virtual bool CanHaveChildren
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{
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get
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{
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return ((ControlElementBase)Element).CanHaveChildren;
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}
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}
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public override string ToolTip { get { return Element.Label; } }
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#endregion
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#region Constructors
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public ControlElementViewModel() : this(null) { }
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public ControlElementViewModel(ControlElementBase controlElement)
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: base(controlElement)
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{
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Elements = new ObservableCollection<ElementViewModel>();
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if (controlElement != null)
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{
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foreach (FormatElementBase childElement in controlElement.Children)
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{
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FormatElementViewModel childVM = new FormatElementViewModel(childElement);
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Elements.Add(childVM);
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}
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}
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}
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/// <summary>
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/// Creates a new instance by copying the Elements property from another
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/// ControlElementViewModel and the Children property from the other
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/// view model's model.
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/// </summary>
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/// <param name="copyFrom">Other ControlElementViewModel to copy
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/// from.</param>
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public ControlElementViewModel(
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ControlElementBase controlElement,
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ControlElementViewModel copyFrom)
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: this(controlElement)
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{
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Elements = copyFrom.Elements;
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((ControlElementBase)Element).Children = controlElement.Children;
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}
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#endregion
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#region Public methods
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public void AddChildElement(FormatElementViewModel viewModel)
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{
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Elements.Add(viewModel);
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viewModel.Parent = this;
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ControlElementBase e = Element as ControlElementBase;
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e.Children.Add(viewModel.RevealModelObject() as FormatElementBase);
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}
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public void RemoveChildElement(FormatElementViewModel viewModel)
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{
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if (!Elements.Contains(viewModel))
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{
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throw new InvalidOperationException(
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"Cannot remove child view model that is not in the collection.");
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}
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Elements.Remove(viewModel);
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((ControlElementBase)Element).Children
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.Remove(viewModel.RevealModelObject() as FormatElementBase);
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viewModel.Parent = null;
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}
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#endregion
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#region Overrides
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public override object Clone()
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{
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ControlElementViewModel clone = new ControlElementViewModel();
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clone.Element = Element;
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clone.Elements = new ObservableCollection<ElementViewModel>(
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Elements.Select(evm => evm.Clone() as ElementViewModel));
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foreach (FormatElementViewModel evm in clone.Elements)
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{
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evm.Parent = clone;
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}
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return clone;
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}
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#endregion
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}
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}
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