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add IsNavigationEnabled Property in FlipView #2563

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Merged
merged 2 commits into from
Jun 27, 2016
Merged

add IsNavigationEnabled Property in FlipView #2563

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3a273a7
add IsNavigationEnabled Property in FlipView
borgle Jun 27, 2016
f726b90
Merge branch 'develop' into develop
borgle Jun 27, 2016
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42 changes: 42 additions & 0 deletions MahApps.Metro/Controls/FlipView.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -351,6 +351,7 @@ private static void ExecuteWhenLoaded(FlipView flipview, Action body)
public static readonly DependencyProperty IsBannerEnabledProperty = DependencyProperty.Register("IsBannerEnabled", typeof(bool), typeof(FlipView), new UIPropertyMetadata(true, OnIsBannerEnabledPropertyChangedCallback));
public static readonly DependencyProperty BannerTextProperty = DependencyProperty.Register("BannerText", typeof(string), typeof(FlipView), new FrameworkPropertyMetadata("Banner", FrameworkPropertyMetadataOptions.AffectsRender, (d, e) => ExecuteWhenLoaded(((FlipView)d), () => ((FlipView)d).ChangeBannerText((string)e.NewValue))));
public static readonly DependencyProperty CircularNavigationProperty = DependencyProperty.Register("CircularNavigation", typeof(bool), typeof(FlipView), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.AffectsRender, (d, e) => ((FlipView)d).DetectControlButtonsStatus()));
public static readonly DependencyProperty IsNavigationEnabledProperty = DependencyProperty.Register("IsNavigationEnabled", typeof(bool), typeof(FlipView), new UIPropertyMetadata(true, OnIsNavigationEnabledPropertyChangedCallback));

public TransitionType UpTransition
{
Expand Down Expand Up @@ -443,6 +444,15 @@ public bool CircularNavigation
set { SetValue(CircularNavigationProperty, value); }
}

/// <summary>
/// Gets/sets whether the FlipView's NavigationButton is visible.
/// </summary>
public bool IsNavigationEnabled
{
get { return (bool)GetValue(IsNavigationEnabledProperty); }
set { SetValue(IsNavigationEnabledProperty, value); }
}

private void ChangeBannerText(string value = null)
{
if (IsBannerEnabled)
Expand Down Expand Up @@ -522,5 +532,37 @@ private static void OnIsBannerEnabledPropertyChangedCallback(DependencyObject d,
}
}

private static void OnIsNavigationEnabledPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var flipview = ((FlipView)d);

if (!flipview.IsLoaded)
{
//wait to be loaded?
ExecuteWhenLoaded(flipview, () => {
flipview.ApplyTemplate();

if ((bool)e.NewValue)
{
flipview.ShowControlButtons();
}
else
{
flipview.HideControlButtons();
}
});
}
else
{
if ((bool)e.NewValue)
{
flipview.ShowControlButtons();
}
else
{
flipview.HideControlButtons();
}
}
}
}
}
6 changes: 6 additions & 0 deletions samples/MetroDemo/ExampleViews/OtherExamples.xaml
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Original file line number Diff line number Diff line change
Expand Up @@ -116,12 +116,17 @@
Margin="5 0"
Content="Circular Navi"
IsChecked="False" />
<CheckBox x:Name="ShowNaviCheckBox"
Margin="5 0"
Content="Show NaviButtons"
IsChecked="True" />
</StackPanel>
<Controls:FlipView Height="200"
Margin="0 0 10 0"
IsBannerEnabled="{Binding ElementName=ShowBannerCheckBox, Path=IsChecked, UpdateSourceTrigger=PropertyChanged}"
MouseOverGlowEnabled="{Binding ElementName=ShowMouseOverCheckBox, Path=IsChecked, UpdateSourceTrigger=PropertyChanged}"
CircularNavigation="{Binding ElementName=CircularNaviCheckBox, Path=IsChecked, UpdateSourceTrigger=PropertyChanged}"
IsNavigationEnabled="{Binding ElementName=ShowNaviCheckBox, Path=IsChecked, UpdateSourceTrigger=PropertyChanged}"
SelectionChanged="FlipView_SelectionChanged">
<Controls:FlipView.Items>
<Grid Background="#2E8DEF">
Expand Down Expand Up @@ -162,6 +167,7 @@
IsBannerEnabled="{Binding ElementName=ShowBannerCheckBox, Path=IsChecked, UpdateSourceTrigger=PropertyChanged}"
MouseOverGlowEnabled="{Binding ElementName=ShowMouseOverCheckBox, Path=IsChecked, UpdateSourceTrigger=PropertyChanged}"
CircularNavigation="{Binding ElementName=CircularNaviCheckBox, Path=IsChecked, UpdateSourceTrigger=PropertyChanged}"
IsNavigationEnabled="{Binding ElementName=ShowNaviCheckBox, Path=IsChecked, UpdateSourceTrigger=PropertyChanged}"
ItemTemplateSelector="{Binding FlipViewTemplateSelector, UpdateSourceTrigger=PropertyChanged}"
ItemsSource="{Binding FlipViewImages, UpdateSourceTrigger=PropertyChanged}" />
</StackPanel>
Expand Down