public void Remove(int index, int count = 1)
{
if (index + count > builder.Length)
{
count = builder.Length - index;
}
if (count < 1)
{
return;
}
int start = index;
int end = index + count;
emojis.RemoveAll((o) => { return(o.pos >= start & o.pos <= end); });
for (int i = 0; i < emojis.Count; i++)
{
if (emojis[i].pos > index)
{
emojis[i].pos -= count;
}
}
builder.Remove(index, count);
m_str = builder.ToString();
f_str = EmojiMap.EmojiToFullString(m_str, emojis);
}
public void Insert(int index, EmojiString emoji)
{
if (index > m_str.Length)
{
index = m_str.Length;
}
var list = emoji.emojis;
for (int i = 0; i < list.Count; i++)
{
list[i].pos += index;
}
string str = emoji.FilterString;
builder.Insert(index, str);
int l = str.Length;
for (int i = 0; i < emojis.Count; i++)//将后面的表情符位置往后移
{
if (emojis[i].pos >= index)
{
emojis[i].pos += l;
}
}
emojis.AddRange(list);
emojis.Sort((a, b) => { return(a.pos > b.pos ? 1 : -1); });
m_str = builder.ToString();
f_str = EmojiMap.EmojiToFullString(m_str, emojis);
}