private void InitAddButton()
{
_addButton = new AwesomMenuItem(_addUri, _addUriHighlited);
_addButton.ItemTransfrom.TranslateX = _startPoint.X;
_addButton.ItemTransfrom.TranslateY = _startPoint.Y;
_addButton.Tag = 999;
Canvas.SetZIndex(_addButton, 10);
_addButton.ClickMenuItem -= Item_ClickMenuItem;
_addButton.ClickMenuItem += Item_ClickMenuItem;
this.Children.Add(_addButton);
}
Storyboard GetShrinkAnimation(AwesomMenuItem item, Point pt)
{
Duration duration = TimeSpan.FromSeconds(0.3);
var sb = new Storyboard();
sb.Duration = duration;
var keyFrams = new DoubleAnimationUsingKeyFrames();
keyFrams.Duration = duration;
var keyframe = new EasingDoubleKeyFrame();
keyframe.Value = pt.X;
keyframe.KeyTime = TimeSpan.FromSeconds(0.3);
keyFrams.KeyFrames.Add(keyframe);
Storyboard.SetTarget(keyFrams, item.ItemTransfrom);
Storyboard.SetTargetProperty(keyFrams, "TranslateX");
sb.Children.Add(keyFrams);
keyFrams = new DoubleAnimationUsingKeyFrames();
keyFrams.Duration = duration;
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = pt.Y;
keyframe.KeyTime = TimeSpan.FromSeconds(0.3);
keyFrams.KeyFrames.Add(keyframe);
Storyboard.SetTarget(keyFrams, item.ItemTransfrom);
Storyboard.SetTargetProperty(keyFrams, "TranslateY");
sb.Children.Add(keyFrams);
var da = GetDoubleAnimation(duration, 0.01, 1);
Storyboard.SetTarget(da, item.ItemTransfrom);
Storyboard.SetTargetProperty(da, "ScaleX");
sb.Children.Add(da);
da = GetDoubleAnimation(duration, 0.01, 1);
Storyboard.SetTarget(da, item.ItemTransfrom);
Storyboard.SetTargetProperty(da, "ScaleY");
sb.Children.Add(da);
da = GetDoubleAnimation(duration, 1, 0);
Storyboard.SetTarget(da, item);
Storyboard.SetTargetProperty(da, "(UIElement.Opacity)");
sb.Children.Add(da);
return(sb);
}
private void Item_ClickMenuItem(AwesomMenuItem item)
{
if (item.Tag.Equals(_addButton.Tag))
{
this.IsExpanding = !this.IsExpanding;
return;
}
if (!TapToDissmissItem)
{
//blowup current button
Point pt = new Point(item.ItemTransfrom.TranslateX, item.ItemTransfrom.TranslateY);
var blowUpStory = GetBlowUpAnimation(item, pt);
blowUpStory.Begin();
blowUpStory.Completed += (o, a) =>
{
item.ItemTransfrom.TranslateX = _startPoint.X;
item.ItemTransfrom.TranslateY = _startPoint.Y;
item.ItemTransfrom.ScaleX = 1;
item.ItemTransfrom.ScaleY = 1;
item.Opacity = 1;
blowUpStory.Stop();
blowUpStory.Children.Clear();
blowUpStory = null;
};
foreach (var otherItem in MenuItems)
{
if (item != otherItem)
{
Point p = new Point(otherItem.ItemTransfrom.TranslateX, otherItem.ItemTransfrom.TranslateY);
var shrinkStory = GetShrinkAnimation(otherItem, p);
shrinkStory.Begin();
shrinkStory.Completed += (o, a) =>
{
otherItem.ItemTransfrom.TranslateX = _startPoint.X;
otherItem.ItemTransfrom.TranslateY = _startPoint.Y;
otherItem.ItemTransfrom.ScaleX = 1;
otherItem.ItemTransfrom.ScaleY = 1;
otherItem.Opacity = 1;
shrinkStory.Stop();
shrinkStory.Children.Clear();
shrinkStory = null;
};
}
}
_isExpanding = false;
//收起做的动画
//弧度
double angle = this.IsExpanding ? -Math.PI / 4 : 0;
//角度
angle = angle * 180;
Duration duration = TimeSpan.FromSeconds(0.5);
_addButton.RenderTransformOrigin = new Point(0.5, 0.5);
var da = GetDoubleAnimation(duration, _addButton.ItemTransfrom.Rotation, angle);
var sb = new Storyboard();
//sb.Duration = duration;
Storyboard.SetTarget(da, _addButton.ItemTransfrom);
Storyboard.SetTargetProperty(da, "Rotation");
sb.Children.Add(da);
sb.Begin();
sb.Completed += (o, a) =>
{
sb.Stop();
_addButton.ItemTransfrom.Rotation = angle;
sb.Children.Clear();
sb = null;
};
}
if (ActionDisMiss != null)
{
ActionDisMiss(this, Convert.ToInt32(item.Tag));
}
}
private void Close()
{
if (_flag < 0)
{
_timer.Stop();
_timer = null;
return;
}
int tag = _flag;
AwesomMenuItem item = null;
//if (tag >= MenuItems.Count)
//{
// item = _addButton;
//}
//else
//item = MenuItems[tag];
if (tag - 1 < 0)
{
return;
}
item = MenuItems[tag - 1];
Duration duration = TimeSpan.FromSeconds(0.5);
var sb = new Storyboard();
sb.Duration = duration;
var da = new DoubleAnimationUsingKeyFrames();
da.Duration = duration;
var keyframe = new EasingDoubleKeyFrame();
keyframe.Value = 0;
keyframe.KeyTime = TimeSpan.FromSeconds(0.0);
da.KeyFrames.Add(keyframe);
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = 180;
keyframe.KeyTime = TimeSpan.FromSeconds(0.25);
da.KeyFrames.Add(keyframe);
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = 0;
keyframe.KeyTime = TimeSpan.FromSeconds(0.5);
da.KeyFrames.Add(keyframe);
Storyboard.SetTarget(da, item.ItemTransfrom);
Storyboard.SetTargetProperty(da, "Rotation");
sb.Children.Add(da);
da = new DoubleAnimationUsingKeyFrames();
da.Duration = duration;
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = item.EndPoint.X;
keyframe.KeyTime = TimeSpan.FromSeconds(0);
da.KeyFrames.Add(keyframe);
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = item.FarPoint.X;
keyframe.KeyTime = TimeSpan.FromSeconds(0.25);
da.KeyFrames.Add(keyframe);
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = item.StratPoint.X;
keyframe.KeyTime = TimeSpan.FromSeconds(0.5);
da.KeyFrames.Add(keyframe);
Storyboard.SetTarget(da, item.ItemTransfrom);
Storyboard.SetTargetProperty(da, "TranslateX");
sb.Children.Add(da);
da = new DoubleAnimationUsingKeyFrames();
da.Duration = duration;
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = item.EndPoint.Y;
keyframe.KeyTime = TimeSpan.FromSeconds(0);
da.KeyFrames.Add(keyframe);
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = item.FarPoint.Y;
keyframe.KeyTime = TimeSpan.FromSeconds(0.25);
da.KeyFrames.Add(keyframe);
keyframe = new EasingDoubleKeyFrame();
keyframe.Value = item.StratPoint.Y;
keyframe.KeyTime = TimeSpan.FromSeconds(0.5);
da.KeyFrames.Add(keyframe);
Storyboard.SetTarget(da, item.ItemTransfrom);
Storyboard.SetTargetProperty(da, "TranslateY");
sb.Children.Add(da);
sb.Begin();
sb.Completed += (o, a) =>
{
item.ItemTransfrom.TranslateX = item.StratPoint.X;
item.ItemTransfrom.TranslateY = item.StratPoint.Y;
item.ItemTransfrom.Rotation = 0;
sb.Stop();
sb.Children.Clear();
da = null;
sb = null;
if (ActionItemClose != null)
{
ActionItemClose(item);
}
};
_flag--;
}