public DComboBox()
{
MType = MemberType.ComboBox;
_tempMember = MDocument.CreateTextChar(EditorSetting.DefaultGraphics, "下拉框");
Add(_tempMember);
SetText = delegate(string text)
{
Reset();
Add(MDocument.CreateTextChar(EditorSetting.DefaultGraphics, text));
Invalidate();
};
}
public void Add(DRowMember member)
{
if (CurrentMember == null)
{
_firstMember.NextMember = member;
_lastMember.PreMember = member;
member.NextMember = _lastMember;
member.PreMember = _firstMember;
}
else
{
member.PreMember = CurrentMember;
member.NextMember = CurrentMember.NextMember;
CurrentMember.NextMember.PreMember = member;
CurrentMember.NextMember = member;
}
CurrentMember = member;
_firstMember.Height = _firstMember.NextMember.Height;
_lastMember.Height = _lastMember.PreMember.Height;
this.Width += member.Width;
if (member.Height > this.Height) this.Height = member.Height;
ResetPosition(GetHighestMember());
}
private void ProcessCurrentMember(DRowMember member, int x)
{
switch (member.MType)
{
case MemberType.TextInput:
CurrentMember = member;
break;
case MemberType.CheckBox:
break;
case MemberType.ComboBox:
break;
case MemberType.Table:
OwnerDocument.ClickMembers.Add(member);
break;
case MemberType.Image:
OwnerDocument.ClickMembers.Add(member);
break;
case MemberType.HorizonLine:
OwnerDocument.ClickMembers.Add(member);
break;
}
member.MouseClick();
}
private void JoinMember(DRowMember fMember, DRowMember sMember)
{
if (fMember == null || sMember == null) return;
fMember.NextMember = sMember;
sMember.PreMember = fMember;
}
private bool IsOutRange(DRowMember fmember, DRowMember sMember)
{
return fmember.X + fmember.Width + sMember.Width > this.X + this.Width;
}
private bool IsInMemeberRange(DRowMember member, int x, int y)
{
if (member.NextMember == null)
{
return ((x > member.X + member.Width / 2 && x <= member.X + member.Width)
|| (x > member.X + member.Width)) &&
y >= member.Y && y < member.Y + member.Height;
}
else
{
return (x > member.X + member.Width / 2 && x <= member.X + member.Width &&
y >= member.Y && y < member.Y + member.Height)
|| (x > member.NextMember.X && x <= member.NextMember.X + member.NextMember.Width / 2 &&
y >= member.NextMember.Y && y < member.NextMember.Y + member.NextMember.Height);
}
}
public void AddSelecteMember(DRowMember member)
{
if (SelectedMembers.Contains(member)) return;
SelectedMembers.Add(member);
}
private bool IsInMemberRange(DRowMember member, int x)
{
return x >= member.X + member.Width / 2 && member.NextMember != null &&
x <= member.NextMember.X + member.NextMember.Width / 2;
}
/// <summary>
/// 将传入的成员链末尾与该行首成员进行连接，超出的
/// 尾部链自动向下一行遍历连接
/// </summary>
public void WriteHead(DRowMember linkedListHead)
{
if (linkedListHead == null) return;
linkedListHead.RecursiveChangeDocRow(this);
linkedListHead.PreMember = null;
var lastMember = linkedListHead.GetTailMember();
lastMember.NextMember = this.FirstMember;
if (this.FirstMember != null)
{
this.FirstMember.PreMember = lastMember;
}
//定义两个活动指针
var leftPointer = lastMember;
var rightPointer = this.FirstMember;
DRowMember oLinkedListHeader = null;
this.FirstMember = linkedListHead;
var isOutRange = false;
while (true)
{
leftPointer.AfterChangeRow();
if (rightPointer == null) break;
//此处断链子
if (GetRangeResult(rightPointer) == 1)
{
if (Paragraph == RowParagraph.Right || Paragraph == RowParagraph.Middle)
{
rightPointer = GetOutRangeMember();
leftPointer = rightPointer.PreMember;
}
leftPointer.NextMember = null;
rightPointer.PreMember = null;
oLinkedListHeader = rightPointer;
IsContinue = true;
isOutRange = true;
break;
}
else if (GetRangeResult(rightPointer) == 0)
{
IsContinue = true;
}
else
{
IsContinue = false;
}
leftPointer.IsBreakTail = false;
leftPointer = rightPointer;
rightPointer = rightPointer.NextMember;
}
this.LastMember = leftPointer.Equals(linkedListHead) ? null : leftPointer;
//如果该行未越界则返回
if (!isOutRange) return;
if (NextDocRow == null)
{
NextDocRow = OwnerDocument.CreateRow();
NextDocRow.WriteHead(oLinkedListHeader);
}
else if (oLinkedListHeader.GetTailMember().IsBreakTail)
{
NextDocRow = OwnerDocument.InsertRowBefore(NextDocRow);
NextDocRow.WriteHead(oLinkedListHeader);
}
else
{
NextDocRow.WriteHead(oLinkedListHeader);
}
}
/// <summary>
/// 将该行某个成员去除
/// </summary>
/// <param name="member"></param>
public void RemoveMember(DRowMember member)
{
if (member == null) return;
if (member.Equals(FirstMember))
{
if (member.NextMember == null)
{
FirstMember = null;
return;
}
else if (member.NextMember.Equals(LastMember))
{
FirstMember = member.NextMember;
LastMember = null;
member.NextMember.PreMember = null;
member.NextMember = null;
return;
}
FirstMember = member.NextMember;
member.NextMember.PreMember = null;
member.NextMember = null;
}
else if (member.Equals(LastMember))
{
if (member.PreMember.Equals(FirstMember))
{
member.PreMember.NextMember = null;
member.PreMember = null;
LastMember = null;
return;
}
LastMember = member.PreMember;
member.PreMember.NextMember = null;
member.PreMember = null;
}
else
{
if(member.PreMember != null)
member.PreMember.NextMember = member.NextMember;
if(member.NextMember != null)
member.NextMember.PreMember = member.PreMember;
member.PreMember = null;
member.NextMember = null;
}
}
/// <summary>
/// 从指定成员开始重新排版
/// </summary>
public void ReComposing(DRowMember member)
{
if (member == null) return;
var leftPointer = member;
var rightPointer = member.NextMember;
DRowMember linkedListHead = null;
while (true)
{
if (rightPointer == null) break;
//超出界限
if (rightPointer.X + rightPointer.Width > this.X + this.Width)
{
leftPointer.NextMember = null;
rightPointer.PreMember = null;
linkedListHead = rightPointer;
LastMember = leftPointer;
IsContinue = true;
}
leftPointer = rightPointer;
rightPointer = rightPointer.NextMember;
}
if (linkedListHead == null) return;
if (NextDocRow == null)
{
NextDocRow = OwnerDocument.CreateRow();
NextDocRow.WriteHead(linkedListHead);
}
else if (linkedListHead.GetTailMember().IsBreakTail)
{
NextDocRow = OwnerDocument.InsertRowBefore(NextDocRow);
NextDocRow.WriteHead(linkedListHead);
}
else
{
NextDocRow.WriteHead(linkedListHead);
}
}
public void LocateCurrentMember(int x, int y)
{
CurrentMember = null;
var tempMember = FirstMember;
while (tempMember != null)
{
if (IsInMemeberRange(tempMember, x, y))
{
CurrentMember = tempMember;
break;
}
tempMember = tempMember.NextMember;
}
}
public void Locate(int x)
{
if (FirstMember == null)
{
CurrentMember = null;
return;
}
var tempMember = FirstMember;
while (tempMember != null)
{
if (tempMember.NextMember != null)
{
if (tempMember.X + tempMember.Width/2 <= x &&
tempMember.NextMember.X + tempMember.NextMember.Width/2 > x)
{
CurrentMember = tempMember;
break;
}
}
else
{
if (tempMember.X + tempMember.Width / 2 <= x)
{
CurrentMember = tempMember;
break;
}
}
tempMember = tempMember.NextMember;
}
}
/// <summary>
/// 为删除动作连接成员
/// </summary>
/// <param name="member">连接的成员</param>
/// <param name="isDel"></param>
/// <returns>连接成功TRUE,失败FALSE</returns>
public bool ConcatMemberForDelete(DRowMember member, bool isDel)
{
if (member == null) return false;
if (FirstMember == null)
{
FirstMember = member;
member.OwnerDocRow = this;
return true;
}
else if (LastMember == null)
{
if (IsContinue && isDel)
{
FirstMember = member;
member.OwnerDocRow = this;
return true;
}
else if (IsOutRange(FirstMember, member))
{
IsContinue = true;
return false;
}
JoinMember(FirstMember, member);
LastMember = member;
member.OwnerDocRow = this;
return true;
}
if (isDel && !LastMember.IsBreakTail)
{
var tempMember = LastMember.PreMember;
CutMember(LastMember.PreMember, LastMember);
LastMember = tempMember;
}
if (IsOutRange(LastMember, member))
{
IsContinue = true;
return false;
}
JoinMember(LastMember, member);
if (member.IsBreakTail) IsContinue = false;
LastMember = member;
member.OwnerDocRow = this;
return true;
}
public virtual void Click(int x, int y)
{
var touchMember = OwnerDocument.TouchMember;
if (touchMember != null &&
touchMember.MType != MemberType.TextChar &&
touchMember.TouchMe(x, y))
{
ProcessCurrentMember((DRowMember)touchMember, x);
return;
}
CurrentMember = null;
var member = FirstMember;
if (member == null) return;
while (member != null)
{
if (IsInMemeberRange(member, x, y))
{
CurrentMember = member;
return;
}
member = member.NextMember;
}
}
public override void MouseClick()
{
DRowMember member = _firstMember;
var page = OwnerDocRow.OwnerDocument.Context;
while (member != null)
{
if (IsInMemberRange(member, page.MouseCurrentPosition.X))
{
CurrentMember = member;
return;
}
member = member.NextMember;
}
CurrentMember = null;
}
public void Remove(DRowMember member = null)
{
if (member == null) member = CurrentMember;
if (member == null || member.Equals(_firstMember) || member.Equals(_lastMember)) return;
if (member.PreMember == null || member.NextMember == null) return;
member.PreMember.NextMember = member.NextMember;
member.NextMember.PreMember = member.PreMember;
CurrentMember = member.PreMember;
member.PreMember = null;
member.NextMember = null;
_firstMember.Height = _firstMember.NextMember.Height;
_lastMember.Height = _lastMember.PreMember.Height;
this.Width -= member.Width;
var hmember = GetHighestMember();
this.Height = hmember.Height;
ResetPosition(hmember);
}
/// <summary>
/// 将传入的成员链头与该行末成员进行连接，超出的
/// 尾部链自动向下一行遍历连接
/// </summary>
public void WriteTail(DRowMember linkedListHead)
{
if (linkedListHead == null) return;
linkedListHead.RecursiveChangeDocRow(this);
linkedListHead.PreMember = this.LastMember;
this.LastMember.NextMember = linkedListHead;
//定义两个活动指针
var leftPointer = this.LastMember;
var rightPointer = linkedListHead;
DRowMember oLinkedListHeader = null;
var isOutRange = false;
while (true)
{
//此处断链子
if (GetRangeResult(rightPointer) == 1)
{
rightPointer.GetTailMember().IsBreakTail = leftPointer.IsBreakTail;
leftPointer.IsBreakTail = false;
leftPointer.NextMember = null;
rightPointer.PreMember = null;
oLinkedListHeader = rightPointer;
IsContinue = true;
isOutRange = true;
break;
}
else if (GetRangeResult(rightPointer) == 0)
{
IsContinue = true;
}
else
{
IsContinue = false;
}
rightPointer.AfterChangeRow();
//断点属性传递
rightPointer.IsBreakTail = leftPointer.IsBreakTail;
leftPointer.IsBreakTail = false;
leftPointer = rightPointer;
rightPointer = rightPointer.NextMember;
if (rightPointer == null) break;
}
this.LastMember = leftPointer;
//如果该行未越界则返回
if (!isOutRange) return;
if (NextDocRow == null)
{
NextDocRow = OwnerDocument.CreateRow();
NextDocRow.WriteHead(oLinkedListHeader);
}
else if (oLinkedListHeader.GetTailMember().IsBreakTail)
{
NextDocRow = OwnerDocument.InsertRowBefore(NextDocRow);
NextDocRow.WriteHead(oLinkedListHeader);
}
else
{
NextDocRow.WriteHead(oLinkedListHeader);
}
}
private void JoinMember(DRowMember member1, DRowMember member2)
{
if (member1 != null) member1.NextMember = member2;
if (member2 != null) member2.PreMember = member1;
}
private void CutMember(DRowMember fMember, DRowMember sMember)
{
if(fMember != null) fMember.NextMember = null;
if(sMember != null) sMember.PreMember = null;
}
private int GetRangeResult(DRowMember rightMember)
{
var flag = -1;
if (Paragraph == RowParagraph.Left)
{
if (rightMember.X + rightMember.Width > this.X + this.Width)
{
flag = 1;
}
else if (rightMember.X + rightMember.Width == this.X + this.Width)
{
flag = 0;
}
}
else if(Paragraph == RowParagraph.Middle)
{
if (rightMember.X + rightMember.Width > this.X + this.Width/2)
{
flag = 1;
}
else if (rightMember.X + rightMember.Width == this.X + this.Width/2)
{
flag = 0;
}
}
else
{
if (FirstMember.X < this.X - this.Width)
{
flag = 1;
}
else if (FirstMember.X == this.X - this.Width)
{
flag = 0;
}
}
return flag;
}
public void AddRowMember(DRowMember member)
{
member.OwnerDocRow = this;
if (FirstMember == null)
{
member.X = this.X;
member.Y = this.Y;
FirstMember = member;
}
else if (LastMember == null)
{
FirstMember.NextMember = member;
member.PreMember = FirstMember;
LastMember = member;
}
else
{
LastMember.NextMember = member;
member.PreMember = LastMember;
LastMember = member;
}
}