public SpacingGallery(IItemsLayout itemsLayout)
{
var layout = new Grid
{
RowDefinitions = new RowDefinitionCollection
{
new RowDefinition {
Height = GridLength.Auto
},
new RowDefinition {
Height = GridLength.Auto
},
new RowDefinition {
Height = GridLength.Auto
},
new RowDefinition {
Height = GridLength.Star
}
}
};
var instructions = new Label
{
Text = "Use the control below to update the spacing between items."
};
if (itemsLayout is GridItemsLayout)
{
instructions.Text += " Format is '[vertical], [horizontal]'";
}
var itemTemplate = ExampleTemplates.SpacingTemplate();
var collectionView = new CollectionView
{
ItemsLayout = itemsLayout,
ItemTemplate = itemTemplate,
AutomationId = "collectionview",
Margin = 10
};
var generator = new ItemsSourceGenerator(collectionView, initialItems: 20);
var spacingModifier = new SpacingModifier(collectionView.ItemsLayout, "Update_Spacing");
layout.Children.Add(generator);
layout.Children.Add(instructions);
layout.Children.Add(spacingModifier);
layout.Children.Add(collectionView);
Grid.SetRow(instructions, 1);
Grid.SetRow(spacingModifier, 2);
Grid.SetRow(collectionView, 3);
Content = layout;
generator.GenerateItems();
}
public UngroupedReorderingGallery(IItemsLayout itemsLayout)
{
var layout = new Grid
{
RowDefinitions = new RowDefinitionCollection
{
new RowDefinition {
Height = GridLength.Auto
},
new RowDefinition {
Height = GridLength.Auto
},
new RowDefinition {
Height = GridLength.Auto
},
new RowDefinition {
Height = GridLength.Auto
},
new RowDefinition {
Height = GridLength.Auto
},
new RowDefinition {
Height = GridLength.Star
}
}
};
var reorderCompletedLabel = new Label
{
Text = "ReorderCompleted (event): NA",
};
var itemTemplate = ExampleTemplates.SpacingTemplate();
var collectionView = new CollectionView
{
ItemsLayout = itemsLayout,
ItemTemplate = itemTemplate,
AutomationId = "collectionview",
CanReorderItems = true
};
collectionView.ReorderCompleted += (sender, e) => reorderCompletedLabel.Text = $"ReorderCompleted (event): {DateTime.Now}";
var generator = new ItemsSourceGenerator(collectionView, initialItems: 20, itemsSourceType: ItemsSourceType.ObservableCollection);
var itemsSourceTypeSelector = new EnumSelector <ItemsSourceType>(() => generator.ItemsSourceType, sourceType => UpdateItemsSourceType(generator, sourceType, collectionView));
var spacingModifier = new SpacingModifier(collectionView.ItemsLayout, "Update_Spacing");
var reloadButton = new Button {
Text = "Reload Current Source", AutomationId = "btnReload", HorizontalOptions = LayoutOptions.Start
};
reloadButton.Clicked += (sender, e) => ReloadItemsSource(collectionView);
layout.Children.Add(generator);
layout.Children.Add(itemsSourceTypeSelector);
layout.Children.Add(spacingModifier);
layout.Children.Add(reorderCompletedLabel);
layout.Children.Add(reloadButton);
layout.Children.Add(collectionView);
Grid.SetRow(itemsSourceTypeSelector, 1);
Grid.SetRow(spacingModifier, 2);
Grid.SetRow(reorderCompletedLabel, 3);
Grid.SetRow(reloadButton, 4);
Grid.SetRow(collectionView, 5);
Content = layout;
generator.GenerateItems();
}