Implement ItemComment view model and view.

- NEU: Optionale Kommentare zu Laborwerten.

zaaReloaded2/Views/ItemCommentView.xaml

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+<!--
+	ItemCommentView.xaml
+	part of zaaReloaded2
+	
+	Copyright 2015 Daniel Kraus
+	
+	Licensed under the Apache License, Version 2.0 (the "License");
+	you may not use this file except in compliance with the License.
+	You may obtain a copy of the License at
+	
+	    http://www.apache.org/licenses/LICENSE-2.0
+	
+	Unless required by applicable law or agreed to in writing, software
+	distributed under the License is distributed on an "AS IS" BASIS,
+	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+	See the License for the specific language governing permissions and
+	limitations under the License.
+-->
+
+<Window x:Class="zaaReloaded2.Views.ItemCommentView"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:b="clr-namespace:Bovender.Mvvm.Views.Settings;assembly=Bovender"
+        ResizeMode="CanResizeWithGrip" ShowInTaskbar="False"
+        WindowStyle="ToolWindow" Topmost="True"
+        SizeToContent="WidthAndHeight"
+        b:WindowState.CenterScreen="True" b:WindowState.Save="True"
+        Title="Kommentar angeben"
+        FocusManager.FocusedElement="{Binding ElementName=ValueTextBox}"
+        >
+    <Window.Resources>
+        <ResourceDictionary Source="/zaaReloaded2;component/Style.xaml" />
+    </Window.Resources>
+    <DockPanel Margin="10">
+        <Label DockPanel.Dock="Top" Content="{Binding Item}"
+               FontSize="16" FontWeight="Bold"
+               Target="{Binding ElementName=ValueTextBox}" Padding="0" />
+        <UniformGrid DockPanel.Dock="Bottom" HorizontalAlignment="Right" Columns="2" Rows="1" Margin="0 10 0 0">
+            <Button Content="OK" Command="{Binding CloseViewCommand}" IsDefault="True" Margin="0 0 5 0" />
+            <Button Content="Abbrechen" Command="{Binding CancelCommand}" IsCancel="True" Margin="5 0 0 0" />
+        </UniformGrid>
+        <DockPanel Margin="0 10 0 10">
+            <TextBlock DockPanel.Dock="Left" Text="{Binding Prefix}" VerticalAlignment="Center" />
+            <TextBlock DockPanel.Dock="Right" Text="{Binding Suffix}" VerticalAlignment="Center" />
+            <TextBox Text="Binding Value,Mode=TwoWay,UpdateSourceTrigger=LostFocus}"
+                     MinWidth="120" MaxWidth="240" VerticalAlignment="Center"
+                     x:Name="ValueTextBox" Margin="5 0 5 0" />
+        </DockPanel>
+    </DockPanel>
+</Window>

zaaReloaded2/Views/ItemCommentView.xaml.cs

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+/* ItemCommentView.xaml.cs
+ * part of zaaReloaded2
+ * 
+ * Copyright 2015 Daniel Kraus
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System.Windows;
+
+namespace zaaReloaded2.Views
+{
+    /// <summary>
+    /// Interaction logic for ItemCommentView.xaml
+    /// </summary>
+    public partial class ItemCommentView : Window
+    {
+        public ItemCommentView()
+        {
+            InitializeComponent();
+        }
+    }
+}