From 03e6652ef104a70370968142594df3a01db7744e Mon Sep 17 00:00:00 2001
From: Victoria Plitt <Victoria.Plitt@twine-s.com>
Date: Sun, 31 May 2020 08:20:46 +0300
Subject: Statistics page. Added validation rule to check start date less or
 equals to end date and enable/disable 'Analyze' button according to
 validation.

Related Work Items: #2877
---
 .../Views/JobRunsView.xaml                         | 39 ++++++++++++++++++--
 .../Views/JobRunsView.xaml.cs                      | 41 +++++++++++++++++++++-
 2 files changed, 76 insertions(+), 4 deletions(-)

(limited to 'Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views')

diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views/JobRunsView.xaml b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views/JobRunsView.xaml
index 7e6ebe405..9617361f7 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views/JobRunsView.xaml
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views/JobRunsView.xaml
@@ -6,6 +6,7 @@
              xmlns:sharedConverters="clr-namespace:Tango.SharedUI.Converters;assembly=Tango.SharedUI"
              xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
              xmlns:localConverters="clr-namespace:Tango.MachineStudio.Statistics.Converters"
+             xmlns:localrule="clr-namespace:Tango.MachineStudio.Statistics.ValidationRules"
              xmlns:mahapps="http://metro.mahapps.com/winfx/xaml/controls"
              xmlns:autoComplete="clr-namespace:Tango.AutoComplete.Editors;assembly=Tango.AutoComplete"
              xmlns:lvc="clr-namespace:LiveCharts.Wpf;assembly=LiveCharts.Wpf"
@@ -163,11 +164,28 @@
 
                             <StackPanel   Margin="50 10 0 0" HorizontalAlignment="Center">
                                 <TextBlock FontSize="11">Start Date:</TextBlock>
-                                <DatePicker x:Name="startdatePicker" Margin="0 5 0 0" SelectedDate="{Binding StartSelectedDate}"   materialDesign:HintAssist.Hint="Pick start date"  Width="130" VerticalAlignment="Center" FontSize="11" />
+                                <DatePicker x:Name="startdatePicker" SelectedDateChanged="StartDatePicker_SelectedDateChanged"  Margin="0 5 0 0"  materialDesign:HintAssist.Hint="Pick start date"  Width="130" VerticalAlignment="Center" FontSize="11" >
+                                    <DatePicker.SelectedDate>
+                                        <Binding Path="StartSelectedDate"  UpdateSourceTrigger="PropertyChanged" NotifyOnValidationError="True">
+                                            <Binding.ValidationRules>
+                                                <localrule:DateExpiredRule x:Name="StartDateExpiredRule"/>
+                                            </Binding.ValidationRules>
+                                        </Binding>
+                                    </DatePicker.SelectedDate>
+                                </DatePicker>
                             </StackPanel>
                             <StackPanel   Margin="50 10 0 0" HorizontalAlignment="Center">
                                 <TextBlock FontSize="11">End Date:</TextBlock>
-                                <DatePicker x:Name="endDatePicker"  Margin="0 5 0 0" SelectedDate="{Binding EndSelectedDate}" materialDesign:HintAssist.Hint="Pick end date"  Width="130" VerticalAlignment="Center" FontSize="11" />
+                                <DatePicker x:Name="endDatePicker"  Margin="0 5 0 0" materialDesign:HintAssist.Hint="Pick end date"  Width="130" VerticalAlignment="Center" FontSize="11" SelectedDateChanged="EndDatePicker_SelectedDateChanged">
+                                    <DatePicker.SelectedDate>
+                                        <Binding Path="EndSelectedDate"  UpdateSourceTrigger="PropertyChanged" NotifyOnValidationError="True">
+                                            <Binding.ValidationRules>
+                                                <localrule:DateExpiredRule x:Name="EndDateExpiredRule"/>
+                                            </Binding.ValidationRules>
+                                        </Binding>
+                                    </DatePicker.SelectedDate>
+                                
+                                </DatePicker>
                             </StackPanel>
                         </StackPanel>
 
@@ -326,7 +344,22 @@
                             </StackPanel>
                         </StackPanel>
                     </Grid>
-                    <Button Grid.Column="1" HorizontalAlignment="Right" Command="{Binding LoadJobRunsCommand}"  Margin="0 0 10 0" Padding="70 15" Height="Auto" VerticalAlignment="Center">ANALYZE</Button>
+                    <Button Grid.Column="1" HorizontalAlignment="Right" Command="{Binding LoadJobRunsCommand}"  Margin="0 0 10 0" Padding="70 15" Height="Auto" VerticalAlignment="Center" Content="ANALYZE">
+                        <Button.Style>
+                            <Style TargetType="Button">
+                                <Setter Property="IsEnabled" Value="False"/>
+                                <Style.Triggers>
+                                    <MultiDataTrigger>
+                                        <MultiDataTrigger.Conditions>
+                                            <Condition Binding="{Binding Path=(Validation.HasError), Source={x:Reference startdatePicker}}" Value="False"/>
+                                            <Condition Binding="{Binding Path=(Validation.HasError), Source={x:Reference endDatePicker}}" Value="False"/>
+                                        </MultiDataTrigger.Conditions>
+                                        <Setter Property="IsEnabled" Value="True"/>
+                                    </MultiDataTrigger>
+                                </Style.Triggers>
+                            </Style>
+                        </Button.Style>
+                    </Button>
                 </Grid>
             </Border>
         </Grid>
diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views/JobRunsView.xaml.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views/JobRunsView.xaml.cs
index 2b3ed79ca..bd5d88c3b 100644
--- a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views/JobRunsView.xaml.cs
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Statistics/Views/JobRunsView.xaml.cs
@@ -81,6 +81,45 @@ namespace Tango.MachineStudio.Statistics.Views
                 }
             }
         }
-        
+
+        private void StartDatePicker_SelectedDateChanged(object sender, SelectionChangedEventArgs e)
+        {
+            DatePicker datePickerObj = sender as DatePicker;
+            if(datePickerObj != null && datePickerObj.SelectedDate != null && endDatePicker.SelectedDate != null)
+            {
+                if(datePickerObj.SelectedDate> endDatePicker.SelectedDate)
+                {
+                    BindingExpression start_be = datePickerObj.GetBindingExpression(DatePicker.SelectedDateProperty);
+                    ValidationError validationError = new ValidationError(StartDateExpiredRule, start_be);
+                    validationError.ErrorContent = "The start time must be less than or equal to end time.";
+                    Validation.MarkInvalid(start_be, validationError);
+                }
+                else if (Validation.GetHasError(endDatePicker))
+                {
+                     BindingExpression end_be = endDatePicker.GetBindingExpression(DatePicker.SelectedDateProperty);
+                     Validation.ClearInvalid(end_be);
+                }
+            }
+        }
+
+        private void EndDatePicker_SelectedDateChanged(object sender, SelectionChangedEventArgs e)
+        {
+            DatePicker datePickerObj = sender as DatePicker;
+            if (datePickerObj.SelectedDate != null && startdatePicker.SelectedDate != null )
+            {
+                if(datePickerObj != null && datePickerObj.SelectedDate < startdatePicker.SelectedDate)
+                {
+                    BindingExpression end_be = datePickerObj.GetBindingExpression(DatePicker.SelectedDateProperty);
+                    ValidationError validationError = new ValidationError(EndDateExpiredRule, end_be);
+                    validationError.ErrorContent = "The end time must be greater than or equal to the start time.";
+                    Validation.MarkInvalid(end_be, validationError);
+                }
+                else if (Validation.GetHasError(startdatePicker))
+                {
+                    BindingExpression start_be = startdatePicker.GetBindingExpression(DatePicker.SelectedDateProperty);
+                    Validation.ClearInvalid(start_be);
+                }
+            }
+        }
     }
 }
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