// 得到XPath
public string GetXPath()
{
ElementItem root = (ElementItem)this.m_document.docRoot;
string strPath;
ItemUtil.Item2Path(root, this, out strPath);
return(strPath);
}
// 解决上移下移
// 当光标移到文字顶时，再向上移则移到上一个Item
// 当光标移到文字底时，再向下移则移到下一个Item
protected override void OnKeyDown(KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Up:
{
// 当光标移到文字顶时，再向上移则移到上一个Item
// 得到Edit的插入符位置
int x, y;
API.GetEditCurrentCaretPos(this,
out x,
out y);
// 如果位置为0
if (y == 0)
{
POINT point = new POINT();
point.x = 0;
point.y = 0;
bool bRet = API.GetCaretPos(ref point); //得到插入符
// 得到当前的Item的上一个Item
Item frontItem = ItemUtil.GetNearItem(this.XmlEditor.m_selectedItem,
MoveMember.Front);
if (frontItem != null)
{
// 设为当前的Item
//this.m_selectedItem = frontItem;
this.XmlEditor.SetCurText(frontItem, null);
this.XmlEditor.SetActiveItem(frontItem);
if (this.XmlEditor.m_curText != null)
{
// 手工单击一下，确保移动到对应的位置
point.y = this.ClientSize.Height - 2;
API.SendMessage(this.Handle,
API.WM_LBUTTONDOWN,
new UIntPtr(API.MK_LBUTTON), // UIntPtr wParam,
API.MakeLParam(point.x, point.y));
API.SendMessage(this.Handle,
API.WM_LBUTTONUP,
new UIntPtr(API.MK_LBUTTON), // UIntPtr wParam,
API.MakeLParam(point.x, point.y));
}
e.Handled = true;
this.XmlEditor.Invalidate();
}
}
}
break;
case Keys.Down:
{
// 当光标移到文字底时，再向下移则移到下一个Item
int x, y;
API.GetEditCurrentCaretPos(this,
out x,
out y);
// 得到当前edit的行号
int nTemp = API.GetEditLines(this);
// 不是根元素
if (y >= nTemp - 1 && (!(this.XmlEditor.m_selectedItem is VirtualRootItem)))
{
POINT point = new POINT();
point.x = 0;
point.y = 0;
bool bRet = API.GetCaretPos(ref point);
// 得到下一个Item
Item behindItem = ItemUtil.GetNearItem(this.XmlEditor.m_selectedItem,
MoveMember.Behind);
if (behindItem != null)
{
//this.m_selectedItem = behindItem;
this.XmlEditor.SetCurText(behindItem, null);
this.XmlEditor.SetActiveItem(behindItem);
if (this.XmlEditor.m_curText != null)
{
// 模拟单击一下
point.y = 1;
API.SendMessage(this.Handle,
API.WM_LBUTTONDOWN,
new UIntPtr(API.MK_LBUTTON), // UIntPtr wParam,
API.MakeLParam(point.x, point.y));
API.SendMessage(this.Handle,
API.WM_LBUTTONUP,
new UIntPtr(API.MK_LBUTTON), // UIntPtr wParam,
API.MakeLParam(point.x, point.y));
}
e.Handled = true;
this.XmlEditor.Invalidate();
}
}
}
break;
case Keys.Left:
break;
case Keys.Right:
break;
default:
break;
}
}