public override void Initial(ModelElement mod)
{
model = mod;
var scr = mod.Find("Scroll");
scroll = new ScrollX();
scroll.Initial(scr);
var sli = mod.Find("Slider");
slider = new UISlider();
slider.Initial(sli);
scroll.Scroll = (o, e) => {
slider.Percentage = scroll.Pos;
if (Scroll != null)
{
Scroll(o, e);
}
};
slider.OnValueChanged = (o) =>
{
scroll.Pos = slider.Percentage;
if (OnValueChanged != null)
{
OnValueChanged(o);
}
};
}
static void CenterScroll(ScrollX scroll)
{
var eve = scroll.eventCall;
var tar = scroll.eventCall.ScrollDistanceX;
float v = scroll.Point + tar;
float sx = scroll.ItemSize.x;
float ox = v % sx;
tar -= ox;
if (ox > sx * 0.5f)
{
tar += sx;
}
scroll.eventCall.ScrollDistanceX = tar;
v = scroll.Point + tar + scroll.ScrollView.sizeDelta.x * 0.5f;
int i = (int)(v / sx);
int c = scroll.DataLength;
i %= c;
if (i < 0)
{
i += c - 1;
}
scroll.PreDockindex = i;
}
public static ScrollX CreateSrollX(string name)
{
var mod = CreateScroll(name);
var scroll = new ScrollX();
scroll.Initial(mod);
return(scroll);
}
static void CenterScroll(ScrollX scroll)
{
var eve = scroll.eventCall;
var tar = scroll.eventCall.ScrollDistanceX;
float tx = scroll.Size.x * 0.5f;
float v = scroll.Point + tar + tx;
float sx = scroll.ItemSize.x;
float ox = v % sx;
tar -= ox;
if (ox > sx * 0.5f)
{
tar += sx;
}
tar += sx * 0.5f;
scroll.eventCall.ScrollDistanceX = tar;
}
public static void CenterScrollByIndex(ScrollX scroll, int index)
{
var eve = scroll.eventCall;
var d = scroll.eventCall.ScrollDistanceX; //滚动距离
float tx = scroll.Size.x * 0.5f; //滚动框中心
float tar = d - scroll.Point + d; //目标地址
float sx = scroll.ItemSize.x;
if (tar % sx < -sx * 0.5f)
{
index--;
}
float offset = (tx - sx * 0.5f) % sx;
float qt = -index * sx + offset;
d = qt - scroll.Point;
scroll.eventCall.ScrollDistanceX = -d;
}
