首发手把手教你制作 Windows8 应用程序内部的 hubtile （动态瓷砖控件） MetroStyle（转）

时间：2014-04-02 08:30:57 阅读：865 评论：0 收藏：0 [点我收藏+]

http://blog.csdn.net/wangrenzhu2011/article/details/8175492 （转）

在metro 风格中动态磁贴是他的精髓

bubuko.com,布布扣

在wp7 的开发中我们可以使用hubtile 来制作类似效果

但是在 win8 中并不具备这个功能，

下面我们来通过扩展GridViewItem 来实现 PictureHubTile

[html] view plain copy print ?

<GridViewItem
x:Class="App1.HubTile"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:App1"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
x:Name="gridViewItem"
d:DesignHeight="150"
d:DesignWidth="150">
<GridViewItem.Resources>
<Storyboard x:Name="UpperSecStoryboard">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="SecImg">
<SplineDoubleKeyFrame KeyTime="0:0:1.2" Value="-150" KeySpline="0.29,0.88,0,1"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="FirstImg">
<SplineDoubleKeyFrame KeyTime="0:0:1.2" Value="150" KeySpline="1,0,1,0"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
<Storyboard x:Name="UpperFirstStoryboard">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="SecImg">
<SplineDoubleKeyFrame KeyTime="0:0:1.2" Value="0" KeySpline="1,0,1,0"/>
</DoubleAnimationUsingKeyFrames>
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(CompositeTransform.TranslateY)" Storyboard.TargetName="FirstImg">
<SplineDoubleKeyFrame KeyTime="0:0:1.2" Value="0" KeySpline="0.29,0.88,0,1"/>
</DoubleAnimationUsingKeyFrames>
</Storyboard>
</GridViewItem.Resources>
<Grid Width="{Binding Width, ElementName=gridViewItem}" Height="{Binding Height, ElementName=gridViewItem}">
<Canvas x:Name="PART_LayoutRoot" >
<StackPanel x:Name="PART_Panel">
<Canvas
Height="{Binding Height, ElementName=gridViewItem}"
x:Name="FirstImg">
<Grid x:Name="PART_FirstContent">
<Image x:Name="Img1"
Width="{Binding Width, ElementName=gridViewItem}"
Height="{Binding Height, ElementName=gridViewItem}"
Stretch="UniformToFill" VerticalAlignment="Center">
</Image>
</Grid>
<Canvas.RenderTransform>
<CompositeTransform/>
</Canvas.RenderTransform>
</Canvas>
<Canvas
x:Name="SecImg"
Height="{Binding Height, ElementName=gridViewItem}">
<Grid x:Name="SecGrid" Background="Red">
<Image x:Name="Img2"
Width="{Binding Width, ElementName=gridViewItem}"
Height="{Binding Height, ElementName=gridViewItem}"
Stretch="UniformToFill" VerticalAlignment="Center">
</Image>
</Grid>
<Canvas.RenderTransform>
<CompositeTransform/>
</Canvas.RenderTransform>
</Canvas>
</StackPanel>
</Canvas>
<ContentPresenter Content="1111" VerticalAlignment="Bottom" HorizontalAlignment="Stretch" x:Name="PART_Title" Margin="0,0,10,7" />
</Grid>
</GridViewItem>

[html] view plain copy print ?

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.IO;
using System.Linq;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Animation;
using Windows.UI.Xaml.Media.Imaging;
using Windows.UI.Xaml.Navigation;
using WinRTXamlToolkit.AwaitableUI;
using WinRTXamlToolkit.Imaging;
// “用户控件”项模板在 http://go.microsoft.com/fwlink/?LinkId=234236 上提供
namespace App1
{
public sealed partial class HubTile : GridViewItem
{
#region propdp
#region ImgList
public List<string> ImgList
{
get { return (List<string>)GetValue(ImgListProperty); }
set { SetValue(ImgListProperty, value); }
}
// Using a DependencyProperty as the backing store for ImgList. This enables animation, styling, binding, etc...
public static readonly DependencyProperty ImgListProperty =
DependencyProperty.Register(
"ImgList",
typeof(List<string>),
typeof(HubTile),
new PropertyMetadata(null, OnImgListChanged));
private static void OnImgListChanged(
DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var target = (HubTile)d;
}
#endregion
#endregion
public HubTile()
{
this.InitializeComponent();
DispatcherTimer timer = new DispatcherTimer();
int index = 0;
bool isFirst = true;
Storyboard storySec = null;
Storyboard storyFir = null;
this.Loaded += ((sender, e) =>
{
storySec = Resources["UpperSecStoryboard"] as Storyboard;
storyFir = Resources["UpperFirstStoryboard"] as Storyboard;
var animation = storySec.Children[0] as DoubleAnimationUsingKeyFrames;
var keyframe = animation.KeyFrames[0] as SplineDoubleKeyFrame;
((storySec.Children[1] as DoubleAnimationUsingKeyFrames).KeyFrames[0] as SplineDoubleKeyFrame).Value = this.Height;
keyframe.Value = -this.Height;
if (null != ImgList && ImgList.Count > 0)
{
var url = ImgList[0];
BitmapImage _source = new BitmapImage(new Uri(url));
this.Img1.Source = _source;
timer.Start();
}
});
Random r = new Random(Convert.ToInt32(DateTime.Now.Millisecond));
var second = r.Next(2000, 6000);
Debug.WriteLine(this.Name + "间隔时间:" + second);
timer.Interval = TimeSpan.FromMilliseconds(second);
timer.Tick += (async (o, b) =>
{
index++;
var count = ImgList.Count;
if (null != ImgList)
{
var url = ImgList[index % count];
BitmapImage _source = new BitmapImage(new Uri(url));
Debug.WriteLine(this.Name + "加载图片..." + url);
if (isFirst)
{
this.Img2.Source = _source;
isFirst = false;
await storySec.BeginAsync();
Canvas.SetZIndex(SecImg, 1);
Canvas.SetZIndex(FirstImg, 2);
}
else
{
this.Img1.Source = _source;
isFirst = true;
await storyFir.BeginAsync();
Canvas.SetZIndex(SecImg, 2);
Canvas.SetZIndex(FirstImg, 1);
}
}
});
}
}
}