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Basic editing of todos #7

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23f2eda
Very basic data templates
ChrisWay Sep 12, 2014
5712ab8
Can switch between readonly/edit templates
ChrisWay Sep 16, 2014
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22 changes: 22 additions & 0 deletions src/TodoTxt.Sharp.UI/ViewModels/TaskFileViewModel.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@ namespace TodoTxt.Sharp.UI.ViewModels
public class TaskFileViewModel : Screen
{
private TaskFile _file;
private bool _isInEdit;
private Task _selectedTodo;

public TaskFileViewModel(string filePath, bool shouldFileBeWiped = false) {
if(string.IsNullOrWhiteSpace(filePath))
Expand All @@ -25,6 +27,26 @@ public TaskFileViewModel(string filePath, bool shouldFileBeWiped = false) {
File = new TaskFile(filePath);
}

public bool IsInEdit {
get { return _isInEdit; }
set {
if (value.Equals(_isInEdit))
return;
_isInEdit = value;
NotifyOfPropertyChange(() => IsInEdit);
}
}

public Task SelectedTodo {
get { return _selectedTodo; }
set {
if (Equals(value, _selectedTodo))
return;
_selectedTodo = value;
NotifyOfPropertyChange(() => SelectedTodo);
}
}

public TaskFile File {
get { return _file; }
private set {
Expand Down
28 changes: 27 additions & 1 deletion src/TodoTxt.Sharp.UI/Views/TaskFileView.xaml
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Expand Up @@ -6,7 +6,33 @@
xmlns:viewModels="clr-namespace:TodoTxt.Sharp.UI.ViewModels"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="300" d:DataContext="{d:DesignInstance viewModels:TaskFileViewModel}">
<UserControl.Resources>
<DataTemplate x:Key="ReadyOnlyTemplate">
<TextBlock Text="{Binding Path=Raw}" />
</DataTemplate>
<DataTemplate x:Key="EditTemplate">
<TextBox Text="{Binding Path=Raw}" />
</DataTemplate>

<Style TargetType="{x:Type ListBoxItem}" BasedOn="{StaticResource {x:Type ListBoxItem}}" x:Key="EditReadOnlyStyle">
<Setter Property="ContentTemplate" Value="{StaticResource ReadyOnlyTemplate}" />
<Style.Triggers>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding Path=DataContext.IsInEdit, RelativeSource={RelativeSource AncestorType=UserControl}}" Value="True" />
<Condition Binding="{Binding RelativeSource={RelativeSource Self},Path=IsSelected}" Value="True" />
</MultiDataTrigger.Conditions>
<Setter Property="ContentTemplate" Value="{StaticResource EditTemplate}" />
</MultiDataTrigger>
</Style.Triggers>
</Style>
</UserControl.Resources>
<Grid>
<ListView ItemsSource="{Binding File.Tasks}"></ListView>
<Grid.RowDefinitions>
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<CheckBox IsChecked="{Binding IsInEdit}"></CheckBox>
<ListBox Grid.Row="1" ItemsSource="{Binding File.Tasks}" ItemContainerStyle="{StaticResource EditReadOnlyStyle}" SelectedItem="{Binding SelectedTodo}" SelectionMode="Single"></ListBox>
</Grid>
</UserControl>
9 changes: 5 additions & 4 deletions src/TodoTxt.Sharp/TaskFile.cs
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using TodoTxt.Sharp.Comparers;
Expand All @@ -22,7 +23,7 @@ public string Path {
get { return _path; }
}

public List<Task> Tasks { get; private set; }
public ObservableCollection<Task> Tasks { get; private set; }

/// <summary>
/// Loads the tasks from a file.
Expand All @@ -32,7 +33,7 @@ public void LoadFromFile(bool ignoreLastWriteTime = false) {
if (!ignoreLastWriteTime && File.GetLastWriteTimeUtc(_path) <= _fileLastWriteTime)
return;

Tasks = new List<Task>();
Tasks = new ObservableCollection<Task>();

if (!File.Exists(_path)) {
using (File.Create(_path)) {}
Expand Down Expand Up @@ -116,11 +117,11 @@ private void UpdateFilePositions(Task task, int filePosition) {
}
}
task.FilePosition = filePosition;
Tasks.Sort(new TaskFilePositionComparer());
//Tasks. Sort(new TaskFilePositionComparer());
}

private void WriteAllTasksToFile() {
File.WriteAllText(_path, string.Join(_newLineDelimter, Tasks.Select(t => t.Raw)));
File.WriteAllText(_path, string.Join(_newLineDelimter, Tasks.OrderBy(x => x.FilePosition).Select(t => t.Raw)));
}

/// <summary>
Expand Down