From c4a056bd0a988dd544f243d73c8267b8ea81bd8f Mon Sep 17 00:00:00 2001
From: Andy McFadden <fadden@fadden.com>
Date: Thu, 23 May 2019 13:38:41 -0700
Subject: [PATCH] Merge ListView style from DisasmUiTest project

Long comments and notes now occupy the correct columns.
---
 SourceGenWPF/DisplayList.cs                 |   8 +-
 SourceGenWPF/ProjWin/CodeListItemStyle.xaml | 142 ++++++++++++++++++++
 SourceGenWPF/ProjWin/MainWindow.xaml        |  99 +++-----------
 SourceGenWPF/SourceGenWPF.csproj            |   4 +
 4 files changed, 171 insertions(+), 82 deletions(-)
 create mode 100644 SourceGenWPF/ProjWin/CodeListItemStyle.xaml

diff --git a/SourceGenWPF/DisplayList.cs b/SourceGenWPF/DisplayList.cs
index bb88081..00f0481 100644
--- a/SourceGenWPF/DisplayList.cs
+++ b/SourceGenWPF/DisplayList.cs
@@ -298,9 +298,9 @@ namespace SourceGenWPF {
             public string Opcode { get; private set; }
             public string Operand { get; private set; }
             public string Comment { get; private set; }
-            public bool IsSingleLine { get; private set; }
+            public bool IsLongComment { get; private set; }
 
-            // Construct with factory methods.
+            // Private constructor -- create instances with factory methods.
             private FormattedParts() { }
 
             public static FormattedParts Create(string offset, string addr, string bytes,
@@ -316,7 +316,7 @@ namespace SourceGenWPF {
                 parts.Opcode = opcode;
                 parts.Operand = operand;
                 parts.Comment = comment;
-                parts.IsSingleLine = false;
+                parts.IsLongComment = false;
 
                 return parts;
             }
@@ -324,7 +324,7 @@ namespace SourceGenWPF {
             public static FormattedParts Create(string longComment) {
                 FormattedParts parts = new FormattedParts();
                 parts.Comment = longComment;
-                parts.IsSingleLine = true;
+                parts.IsLongComment = true;
 
                 return parts;
             }
diff --git a/SourceGenWPF/ProjWin/CodeListItemStyle.xaml b/SourceGenWPF/ProjWin/CodeListItemStyle.xaml
new file mode 100644
index 0000000..e5d84db
--- /dev/null
+++ b/SourceGenWPF/ProjWin/CodeListItemStyle.xaml
@@ -0,0 +1,142 @@
+<!--
+Copyright 2019 faddenSoft
+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.
+-->
+
+<!--
+ListViewItem control template and style.  This is used for the main code ListView.  The
+most significant consideration is getting long comments and notes into the 5th column and
+having them span multiple columns.
+
+This interacts with DisplayList.FormattedParts.
+
+See also https://github.com/fadden/DisasmUiTest
+-->
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+    <!-- some brushes, extracted from the default style -->
+    <LinearGradientBrush x:Key="ListItemHoverFill" EndPoint="0,1" StartPoint="0,0">
+        <GradientStop Color="#FFF1FBFF" Offset="0"/>
+        <GradientStop Color="#FFD5F1FE" Offset="1"/>
+    </LinearGradientBrush>
+
+    <LinearGradientBrush x:Key="ListItemSelectedFill" EndPoint="0,1" StartPoint="0,0">
+        <GradientStop Color="#FFD9F4FF" Offset="0"/>
+        <GradientStop Color="#FF9BDDFB" Offset="1"/>
+    </LinearGradientBrush>
+
+    <LinearGradientBrush x:Key="ListItemSelectedInactiveFill" EndPoint="0,1" StartPoint="0,0">
+        <GradientStop Color="#FFEEEDED" Offset="0"/>
+        <GradientStop Color="#FFDDDDDD" Offset="1"/>
+    </LinearGradientBrush>
+
+    <LinearGradientBrush x:Key="ListItemSelectedHoverFill" EndPoint="0,1" StartPoint="0,0">
+        <GradientStop Color="#FFEAF9FF" Offset="0"/>
+        <GradientStop Color="#FFC9EDFD" Offset="1"/>
+    </LinearGradientBrush>
+
+    <!-- Column set for the long-comment lines.  The first five columns will be empty, but
+    have their widths set to match those in the containing ListView.
+    If you don't set DisplayMemberBinding, it will try to ToString() the entire object.
+    -->
+    <GridViewColumnCollection x:Key="gvcc">
+        <GridViewColumn Width="{Binding
+                    RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListView}
+                }, Path=View.Columns[0].ActualWidth}" DisplayMemberBinding="{Binding Offset}"/>
+        <GridViewColumn Width="{Binding
+                    RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListView}
+                }, Path=View.Columns[1].ActualWidth}" DisplayMemberBinding="{Binding Addr}"/>
+        <GridViewColumn Width="{Binding
+                    RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListView}
+                }, Path=View.Columns[2].ActualWidth}" DisplayMemberBinding="{Binding Bytes}"/>
+        <GridViewColumn Width="{Binding
+                    RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListView}
+                }, Path=View.Columns[3].ActualWidth}" DisplayMemberBinding="{Binding Flags}"/>
+        <GridViewColumn Width="{Binding
+                    RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ListView}
+                }, Path=View.Columns[4].ActualWidth}" DisplayMemberBinding="{Binding Attr}"/>
+        <GridViewColumn Header="two" DisplayMemberBinding="{Binding Path=Comment}"/>
+    </GridViewColumnCollection>
+
+    <!-- Template for long lines.  This is a modification of the default style, with
+    Content and Columns attributes defined in the GridViewRowPresenter.  It appears we
+    inherit the FocusVisualStyle from the default. -->
+    <ControlTemplate x:Key="longComment" TargetType="{x:Type ListViewItem}">
+        <StackPanel>
+            <Border BorderBrush="{TemplateBinding BorderBrush}"
+                    BorderThickness="{TemplateBinding BorderThickness}"
+                    Background="{TemplateBinding Background}"
+                    CornerRadius="2"
+                    SnapsToDevicePixels="true">
+                <Border x:Name="InnerBorder" BorderThickness="1" CornerRadius="1">
+                    <Grid>
+                        <Grid.RowDefinitions>
+                            <RowDefinition MaxHeight="11"/>
+                            <RowDefinition/>
+                        </Grid.RowDefinitions>
+                        <Rectangle x:Name="UpperHighlight" Fill="#75FFFFFF" Visibility="Collapsed"/>
+                        <GridViewRowPresenter Content="{TemplateBinding Content}"
+                                              Columns="{StaticResource gvcc}"
+                                              Grid.RowSpan="2"
+                                              SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
+                                              VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
+                    </Grid>
+                </Border>
+            </Border>
+        </StackPanel>
+
+        <!-- triggers for hover, selection, and activation effects -->
+        <ControlTemplate.Triggers>
+            <Trigger Property="IsMouseOver" Value="true">
+                <Setter Property="Background" Value="{StaticResource ListItemHoverFill}"/>
+                <Setter Property="BorderBrush" Value="#FFCCF0FF"/>
+                <Setter Property="Visibility" TargetName="UpperHighlight" Value="Visible"/>
+            </Trigger>
+            <Trigger Property="IsSelected" Value="true">
+                <Setter Property="Background" Value="{StaticResource ListItemSelectedFill}"/>
+                <Setter Property="BorderBrush" Value="#FF98DDFB"/>
+                <Setter Property="BorderBrush" TargetName="InnerBorder" Value="#80FFFFFF"/>
+                <Setter Property="Visibility" TargetName="UpperHighlight" Value="Visible"/>
+                <Setter Property="Fill" TargetName="UpperHighlight" Value="#40FFFFFF"/>
+            </Trigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsSelected" Value="true"/>
+                    <Condition Property="Selector.IsSelectionActive" Value="false"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="Background" Value="{StaticResource ListItemSelectedInactiveFill}"/>
+                <Setter Property="BorderBrush" Value="#FFCFCFCF"/>
+            </MultiTrigger>
+            <MultiTrigger>
+                <MultiTrigger.Conditions>
+                    <Condition Property="IsSelected" Value="true"/>
+                    <Condition Property="IsMouseOver" Value="true"/>
+                </MultiTrigger.Conditions>
+                <Setter Property="Background" Value="{StaticResource ListItemSelectedHoverFill}"/>
+                <Setter Property="BorderBrush" Value="#FF98DDFB"/>
+            </MultiTrigger>
+            <Trigger Property="IsEnabled" Value="false">
+                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
+            </Trigger>
+        </ControlTemplate.Triggers>
+    </ControlTemplate>
+
+    <Style x:Key="codeListItemStyle" TargetType="{x:Type ListViewItem}">
+        <Style.Triggers>
+            <DataTrigger Binding="{Binding Path=IsLongComment}" Value="True">
+                <Setter Property="Template" Value="{StaticResource longComment}"/>
+            </DataTrigger>
+        </Style.Triggers>
+    </Style>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/SourceGenWPF/ProjWin/MainWindow.xaml b/SourceGenWPF/ProjWin/MainWindow.xaml
index d18a222..7fe5e13 100644
--- a/SourceGenWPF/ProjWin/MainWindow.xaml
+++ b/SourceGenWPF/ProjWin/MainWindow.xaml
@@ -12,7 +12,7 @@ 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="SourceGenWPF.ProjWin.MainWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -25,85 +25,27 @@ limitations under the License.
         Width="810" Height="510" MinWidth="800" MinHeight="500">
 
     <Window.Resources>
-        <RoutedUICommand x:Key="AssembleCmd" Text="Assemble...">
-            <RoutedUICommand.InputGestures>
-                <KeyGesture>Ctrl+Shift+A</KeyGesture>
-            </RoutedUICommand.InputGestures>
-        </RoutedUICommand>
-        <RoutedUICommand x:Key="RecentProject"/>
+        <ResourceDictionary>
+            <!-- style and control templates for main code ListView items -->
+            <ResourceDictionary.MergedDictionaries>
+                <ResourceDictionary Source="CodeListItemStyle.xaml"/>
+            </ResourceDictionary.MergedDictionaries>
 
-        <!-- don't center the ListView(GridView) column headers
-             https://stackoverflow.com/questions/44119146/wpf-listview-column-header-alignment
-          -->
-        <Style TargetType="{x:Type GridViewColumnHeader}">
-            <Setter Property="HorizontalContentAlignment" Value="Left" />
-        </Style>
-        
-        <!--
-        ListView tweaks from https://stackoverflow.com/a/4472061/294248 .  This is
-        necessary to get long comments and notes to start in the Label column.  The
-        approach feels a little wobbly, but it seems to work.
+            <RoutedUICommand x:Key="AssembleCmd" Text="Assemble...">
+                <RoutedUICommand.InputGestures>
+                    <KeyGesture>Ctrl+Shift+A</KeyGesture>
+                </RoutedUICommand.InputGestures>
+            </RoutedUICommand>
+            <RoutedUICommand x:Key="RecentProject"/>
 
-        MSFT GridViewRowPresenter example is promising, but I haven't figured out how to
-        make long-comment rows follow the same header (maybe manual update in code-behind?).
-        https://docs.microsoft.com/en-us/dotnet/api/system.windows.controls.gridviewrowpresenter?view=netframework-4.8
-        (in examples: snippets\csharp\VS_Snippets_Wpf\ListViewItemStyleSnippet)
-
-        https://docs.microsoft.com/en-us/dotnet/framework/wpf/controls/how-to-display-data-by-using-gridviewrowpresenter
-
-        Item Template Selectors are another possibility, maybe?
-        https://stackoverflow.com/q/5416946/294248
-
-        Getting more custom:
-        -->
-        <Style x:Key="codeListViewItemStyle" TargetType="ListViewItem">
-            <Style.Resources>
-                <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="Red"/>
-            </Style.Resources>
-            <Style.Triggers>
-                <DataTrigger Binding="{Binding IsSingleLine}" Value="True">
-                    <Setter Property="Template">
-                        <Setter.Value>
-                            <ControlTemplate TargetType="{x:Type ListViewItem}">
-                                <Grid>
-                                    <Grid>
-                                        <Grid.ColumnDefinitions>
-                                            <ColumnDefinition Width="{Binding ElementName=codeListView, Path=View.Columns[0].ActualWidth}"/>
-                                            <ColumnDefinition Width="{Binding ElementName=codeListView, Path=View.Columns[1].ActualWidth}"/>
-                                            <ColumnDefinition Width="{Binding ElementName=codeListView, Path=View.Columns[2].ActualWidth}"/>
-                                            <ColumnDefinition Width="{Binding ElementName=codeListView, Path=View.Columns[3].ActualWidth}"/>
-                                            <ColumnDefinition Width="{Binding ElementName=codeListView, Path=View.Columns[4].ActualWidth}"/>
-                                            <ColumnDefinition Width="*"/>
-                                        </Grid.ColumnDefinitions>
-                                        <TextBlock Grid.Column="5" Padding="8,2" Text="{Binding Comment}"
-                                                   Background="{TemplateBinding Background}"/>
-                                    </Grid>
-                                </Grid>
-                            </ControlTemplate>
-                        </Setter.Value>
-                    </Setter>
-                </DataTrigger>
-
-                <Trigger Property="IsSelected" Value="True">
-                    <Trigger.Setters>
-                        <Setter Property="Background" Value="LightBlue"/>
-                    </Trigger.Setters>
-                </Trigger>
-            </Style.Triggers>
-
-            <!--
-                <Setter Property="Template">
-                    <Setter.Value>
-                        <ControlTemplate TargetType="{x:Type ListViewItem}">
-                            <Grid>
-                                <GridViewRowPresenter />
-                            </Grid>
-                        </ControlTemplate>
-                    </Setter.Value>
-                </Setter>
+            <!-- don't center the ListView(GridView) column headers
+            https://stackoverflow.com/q/44119146/294248
+            (style without ID applies to all instances of that type)
             -->
-
-        </Style>
+            <Style TargetType="{x:Type GridViewColumnHeader}">
+                <Setter Property="HorizontalContentAlignment" Value="Left" />
+            </Style>
+        </ResourceDictionary>
     </Window.Resources>
 
     <Window.CommandBindings>
@@ -285,7 +227,8 @@ limitations under the License.
                       FontFamily="{StaticResource GeneralMonoFont}"
                       Visibility="{Binding Path=CodeListVisibility}"
                       VirtualizingStackPanel.VirtualizationMode="Recycling"
-                      ItemContainerStyle="{StaticResource codeListViewItemStyle}" SelectionChanged="CodeListView_SelectionChanged">
+                      ItemContainerStyle="{StaticResource codeListItemStyle}"
+                      SelectionChanged="CodeListView_SelectionChanged">
                 <ListView.View>
                     <GridView AllowsColumnReorder="False">
                         <GridViewColumn Header="Offset" DisplayMemberBinding="{Binding Offset}"/>
diff --git a/SourceGenWPF/SourceGenWPF.csproj b/SourceGenWPF/SourceGenWPF.csproj
index bc70778..3554142 100644
--- a/SourceGenWPF/SourceGenWPF.csproj
+++ b/SourceGenWPF/SourceGenWPF.csproj
@@ -138,6 +138,10 @@
     <Resource Include="Res\Logo.png" />
   </ItemGroup>
   <ItemGroup>
+    <Page Include="ProjWin\CodeListItemStyle.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
     <Page Include="ProjWin\DataFileLoadIssue.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>