/// <summary>
/// 获取最后节点的索引
/// </summary>
/// <param name="nodes">节点</param>
/// <returns>索引</returns>
protected FCTreeNode getLastNode(ArrayList <FCTreeNode> nodes)
{
int size = nodes.size();
if (size > 0)
{
for (int i = size - 1; i >= 0; i--)
{
FCTreeNode lastNode = nodes.get(i);
if (lastNode.Row != null)
{
ArrayList <FCTreeNode> childNodes = lastNode.getChildNodes();
FCTreeNode subLastNode = getLastNode(childNodes);
if (subLastNode != null)
{
return(subLastNode);
}
else
{
return(lastNode);
}
}
}
}
return(null);
}
/// <summary>
/// 单元格触摸按下方法
/// </summary>
/// <param name="cell">单元格</param>
/// <param name="touchInfo">触摸信息</param>
public override void onCellTouchDown(FCGridCell cell, FCTouchInfo touchInfo)
{
base.onCellTouchDown(cell, touchInfo);
FCPoint mp = touchInfo.m_firstPoint;
FCTreeNode node = cell as FCTreeNode;
if (node != null)
{
int scrollH = 0;
FCHScrollBar hscrollBar = HScrollBar;
if (hscrollBar != null && hscrollBar.Visible)
{
scrollH = hscrollBar.Pos;
}
FCRect headerRect = node.TargetColumn.Bounds;
headerRect.left += HorizontalOffset - scrollH;
headerRect.top += VerticalOffset - scrollH;
int left = headerRect.left;
//复选框
if (m_checkBoxes)
{
int cw = m_checkBoxSize.cx;
if (mp.x >= left && mp.x <= left + cw)
{
node.Checked = !node.Checked;
return;
}
left += cw + 10;
}
//折叠节点
ArrayList <FCTreeNode> childNodes = node.getChildNodes();
if (childNodes != null && childNodes.size() > 0)
{
int nw = m_nodeSize.cx;
if (mp.x >= left && mp.x <= left + nw)
{
if (node.Expended)
{
node.collapse();
}
else
{
node.expend();
}
update();
return;
}
}
//移动
if (node.AllowDragOut)
{
m_movingNode = node;
}
}
}
/// <summary>
/// 选中所有子节点
/// </summary>
/// <param name="nodes">节点集合</param>
/// <param name="isChecked">是否选中</param>
protected void checkChildNodes(ArrayList <FCTreeNode> nodes, bool isChecked)
{
int nodeSize = m_nodes.size();
for (int i = 0; i < nodeSize; i++)
{
FCTreeNode node = nodes.get(i);
node.Checked = isChecked;
ArrayList <FCTreeNode> childNodes = node.getChildNodes();
if (childNodes != null && childNodes.size() > 0)
{
checkChildNodes(childNodes, isChecked);
}
}
}
/// <summary>
/// 折叠子节点
/// </summary>
/// <param name="nodes">节点集合</param>
/// <param name="expendAll">是否折叠儿子节点</param>
protected void collapseChildNodes(ArrayList <FCTreeNode> nodes, bool collapseAll)
{
int nodeSize = nodes.size();
for (int i = 0; i < nodeSize; i++)
{
FCTreeNode node = nodes.get(i);
if (collapseAll)
{
node.Expended = false;
}
node.Row.Visible = false;
ArrayList <FCTreeNode> childNodes = node.getChildNodes();
if (childNodes != null && childNodes.size() > 0)
{
collapseChildNodes(childNodes, collapseAll);
}
}
}
/// <summary>
/// 展开所有的节点
/// </summary>
/// <param name="nodes">节点集合</param>
/// <param name="parentExpened">父节点是否展开</param>
/// <param name="expendAll">儿子节点是否展开</param>
protected void expendChildNodes(ArrayList <FCTreeNode> nodes, bool parentExpened, bool expendAll)
{
int nodeSize = nodes.size();
for (int i = 0; i < nodeSize; i++)
{
FCTreeNode node = nodes.get(i);
bool pExpended = parentExpened;
if (expendAll)
{
pExpended = true;
node.Row.Visible = true;
node.Expended = true;
}
else
{
if (parentExpened)
{
node.Row.Visible = true;
}
else
{
node.Row.Visible = false;
}
if (!node.Expended)
{
pExpended = false;
}
}
ArrayList <FCTreeNode> childNodes = node.getChildNodes();
if (childNodes != null && childNodes.size() > 0)
{
expendChildNodes(childNodes, pExpended, expendAll);
}
}
}
/// <summary>
/// 添加节点
/// </summary>
/// <param name="index">行索引</param>
public virtual void onAddingNode(int index)
{
FCGridRow row = Row;
if (Row == null)
{
//创建行
row = new FCGridRow();
FCTreeNode parentNode = m_parent;
if (parentNode == null)
{
if (index != -1)
{
//插入行
m_tree.insertRow(index, row);
//重置行的索引
ArrayList <FCGridRow> rows = m_tree.getRows();
int rowSize = rows.size();
for (int i = 0; i < rowSize; i++)
{
rows.get(i).Index = i;
}
}
else
{
//添加行
m_tree.addRow(row);
//设置索引
ArrayList <FCGridRow> rows = m_tree.getRows();
row.Index = rows.size() - 1;
}
row.addCell(0, this);
m_targetColumn = m_tree.getColumn(0);
}
else
{
//获取行索引
int rowIndex = parentNode.Row.Index + 1;
if (index != -1)
{
rowIndex = index;
}
else
{
//查找上个节点
FCTreeNode lastNode = getLastNode(parentNode.getChildNodes());
if (lastNode != null)
{
if (lastNode.Row == null)
{
return;
}
rowIndex = lastNode.Row.Index + 1;
}
}
//插入行
m_tree.insertRow(rowIndex, row);
ArrayList <FCGridRow> rows = m_tree.getRows();
int rowSize = rows.size();
//重置索引
if (rowIndex == rowSize - 1)
{
row.Index = rowIndex;
}
else
{
for (int i = 0; i < rowSize; i++)
{
rows.get(i).Index = i;
}
}
row.addCell(0, this);
m_targetColumn = m_tree.getColumn(parentNode.m_targetColumn.Index + 1);
}
ColSpan = m_tree.getColumns().size();
//添加子节点
if (m_nodes != null && m_nodes.size() > 0)
{
int nodeSize = m_nodes.size();
for (int i = 0; i < nodeSize; i++)
{
m_nodes.get(i).onAddingNode(-1);
}
}
row.Visible = isNodeVisible(this);
}
}