private static GTagBoxTree ExpandChildNoCompact(int level, int MaxLevel, ITagDB db, GTagBoxTree root, GTagBoxTree pre, GUTag ctag, int direct, Size size, TreeLayoutEnv env, LayoutMode mode)
{
GTagBoxTree cur;
Logger.D("ChoosePos:pre:{0}-{1}-{2} cur:{0}-{1},",
pre?.GTagBox.Tag,
pre == null ? 0 : db.QueryTagChildren(pre.GTagBox.Tag).Count,
pre == null ? 0 : pre.totalRange.Right,
ctag, db.QueryTagChildren(ctag).Count);
if (pre == null)
{
Logger.D("Place {0} after {1}:follow", ctag, root.GTagBox.Tag);
cur = ExpandNode(ctag, level + 1, db,
direct == 1 ? root.GTagBox.OutterBox.Right : root.GTagBox.OutterBox.Left,
root.totalRange.Top, direct, size, env, mode);
}
else
{
Logger.D("Place {0} after {1}:newline", ctag, root.GTagBox.Tag);
cur = ExpandNode(ctag, level + 1, db,
direct == 1 ? root.GTagBox.OutterBox.Right : root.GTagBox.OutterBox.Left,
root.totalRange.Bottom, direct, size, env, mode);
}
env.AddLine(root, cur, direct);
return(cur);
}
private static GTagBoxTree ExpandChildCompact(int rootLevel, int MaxLevel, ITagDB db, GTagBoxTree root, GTagBoxTree pre, GUTag ctag, int direct, Size size, TreeLayoutEnv env, LayoutMode mode)
{
GTagBoxTree cur;
Logger.D("ChoosePos:pre:{0}-{1}-{2} cur:{0}-{1},",
pre?.GTagBox.Tag,
pre == null ? 0 : db.QueryTagChildren(pre.GTagBox.Tag).Count,
pre == null ? 0 : pre.totalRange.Right,
ctag, db.QueryTagChildren(ctag).Count);
bool leftOK = true, rightOK = true;
TagBoxSizeInf sizeinf = new TagBoxSizeInf(ctag, rootLevel + 1, StaticCfg.Ins.GFontName);
int OneLineChild = GetTagTreeWidth(ctag, db, rootLevel + 1, MaxLevel);
//右边是否有足够空间(初步预估，用OneLineChild*本节点的宽度预估)
if (pre != null && direct == 1)
{
rightOK = pre.totalRange.Right + sizeinf.OutterBoxSize.Width < size.Width;
}
//左边是否有足够空间
if (pre != null && direct == -1)
{
leftOK = sizeinf.OutterBoxSize.Width < pre.totalRange.Left;
}
//只有满足严格条件的情况下，才放在兄弟节点的后面，否则在父节点后展开
if (pre != null && OneLineChild >= 0 &&
(db.QueryTagChildren(pre.GTagBox.Tag).Count == 0 || rootLevel + 1 == MaxLevel) &&
rightOK && leftOK)
{
Logger.D("Place {0} after {1}:follow", ctag, pre.GTagBox.Tag);
cur = ExpandNode(ctag, rootLevel + 1, db,
direct == 1 ? pre.totalRange.Right : pre.totalRange.Left, //X
pre.totalRange.Top, //Y
direct, size, env, mode);
}
//第一个节点，没有兄弟节点，放在父节点后面 ==== > 放在父节点的同一行
//非叶子节点，也直接放在父节点后面 or ==== > 放在父节点的下一行
//前一个兄弟已经把这一行占完了 ==== > 放在父节点的下一行
else
{
if (pre == null)
{
Logger.D("Place {0} after {1}:follow", ctag, root.GTagBox.Tag);
cur = ExpandNode(ctag, rootLevel + 1, db,
direct == 1 ? root.GTagBox.OutterBox.Right : root.GTagBox.OutterBox.Left,
root.totalRange.Top, direct, size, env, mode);
}
else
{
Logger.D("Place {0} after {1}:newline", ctag, root.GTagBox.Tag);
cur = ExpandNode(ctag, rootLevel + 1, db,
direct == 1 ? root.GTagBox.OutterBox.Right : root.GTagBox.OutterBox.Left,
root.totalRange.Bottom, direct, size, env, mode);
}
env.AddLine(root, cur, direct);
}
return(cur);
}
