// 这里是全新的组织数据
internal void UpdateShowGroup()
{
dicForExpandState.Clear(); // 清除状态
if (_dv.ShowInGroup && (_dt != null || m_MulitpleDataRoot != null))
{
if (m_MulitpleDataRoot == null)
{
m_MulitpleDataRoot = new TreeGridRow();
}
if (_dt == null || _dt.Columns.Count == 0)
{
_dt = (DataTable)m_MulitpleDataRoot.ChildRows.Clone();
}
//_dt.Rows.Clear();
EnumLeafDataRow(m_MulitpleDataRoot, _dt);
this.m_MulitpleDataRoot.ChildRows = _dt.Clone(); // 克隆数据结构
this.m_MulitpleDataRoot.Nodes.Clear();
m_MulitpleDataRoot.ChildRows.DefaultView.Sort = SortString;
DataRow[] drsRoot = _dt.Select("1=1", mainkey.Keys[0] + " ASC");
GenerateGroupData("", m_MulitpleDataRoot, mainkey, drsRoot);
_dt.Rows.Clear();
OnFilterGroupData(m_MulitpleDataRoot);
UpdateCacheIndex();
if (_dv.Columns.Count > 0)
{
_dv.RowCount = m_MulitpleDataRoot.RowCount;
}
}
}
private void EnumDataRow(TreeGridRow tgr, ref List <KeyValuePair <int, DataRow> > ldr, ref Dictionary <int, TreeGridRow> dictgr)
{
for (int i = 0; i < tgr.ChildRows.DefaultView.Count; ++i)
{
int iIndex = tgr.ChildRows.Rows.IndexOf(tgr.ChildRows.DefaultView[i].Row);
if (tgr.Nodes.ContainsKey(iIndex))
{
if (tgr.Nodes[iIndex].RowCount > 0)
{
ldr.Add(new KeyValuePair <int, DataRow>(tgr.Level, tgr.ChildRows.DefaultView[i].Row));
dictgr.Add(ldr.Count - 1, tgr.Nodes[iIndex]);
if (tgr.Nodes[iIndex].Expand)
{
EnumDataRow(tgr.Nodes[iIndex], ref ldr, ref dictgr);
}
}
else if (tgr.Nodes[iIndex].Expand == false && tgr.Nodes[iIndex].ChildRows.DefaultView.Count > 0)
{
ldr.Add(new KeyValuePair <int, DataRow>(tgr.Level, tgr.ChildRows.DefaultView[i].Row));
dictgr.Add(ldr.Count - 1, tgr.Nodes[iIndex]);
}
}
else
{
ldr.Add(new KeyValuePair <int, DataRow>(tgr.Level, tgr.ChildRows.DefaultView[i].Row));
}
}
}
private void OnFilterGroupData(TreeGridRow tgr)
{
if (tgr.ChildRows != null && tgr.ChildRows.Columns.Count > 0)
{
// 这里顺带保留一下之前的折叠状态
bool bExpend;
if (dicForExpandState.TryGetValue(tgr.Key, out bExpend))
{
tgr.Expand = bExpend;
}
if (tgr.Nodes.Count > 0 && (GroupShowStyle == GroupStyle.GroupShow || m_filterAll == false))
{
}
else
{
tgr.ChildRows.DefaultView.RowFilter = _dv.Filter;
}
foreach (KeyValuePair <int, TreeGridRow> kvp in tgr.Nodes)
{
OnFilterGroupData(kvp.Value);
}
}
}
public TreeGridRow Copy()
{
TreeGridRow root = new TreeGridRow();
CopyContent(this, root);
return(root);
}
private void OnSortGroupData(TreeGridRow tgr, String sortString)
{
tgr.ChildRows.DefaultView.Sort = sortString;
foreach (KeyValuePair <int, TreeGridRow> kvp in tgr.Nodes)
{
OnSortGroupData(kvp.Value, sortString);
}
}
// 这里丢掉所有的组头，只关注叶子节点
void EnumLeafDataRow(TreeGridRow tgr, DataTable dtRoot)
{
for (int i = 0; i < tgr.ChildRows.Rows.Count; ++i)
{
if (tgr.Nodes.ContainsKey(i))
{
EnumLeafDataRow(tgr.Nodes[i], dtRoot);
}
else
{
dtRoot.ImportRow(tgr.ChildRows.Rows[i]);
}
}
}
public void SetExpandState(TreeGridRow temptgr, bool bExpandState, bool bUpdateIndex)
{
if (temptgr.Expand != bExpandState)
{
temptgr.Expand = bExpandState;
dicForExpandState[temptgr.Key] = temptgr.Expand;
if (bUpdateIndex)
{
UpdateCacheIndex();
ResetRowCount();
_dv.RowCount = RowCount;
_dv.Redraw();
}
}
}
/// <summary>
/// 这里的数据只可以是一个分组里的,只支持叶子节点
/// </summary>
/// <param name="currentgroupIndex">当前组在视图上的索引</param>
/// <param name="dtData">要添加的新数据</param>
internal int AppendOneGroupData(int currentgroupIndex, DataTable dtData)
{
if (cacheGroupHeaderIndex.ContainsKey(currentgroupIndex))
{
TreeGridRow tgr = cacheGroupHeaderIndex[currentgroupIndex];
int iOrginalRowCount = tgr.RowCount;
tgr.ChildRows.Merge(dtData);
int iNowRowCount = tgr.RowCount;
//这里开始处理索引
if (tgr.Expand && iOrginalRowCount != iNowRowCount) //如果是展开的，就要开始更新索引了
{
// 这个组里的分组全部要更新掉
List <KeyValuePair <int, DataRow> > tempRowIndex = new List <KeyValuePair <int, DataRow> >();
Dictionary <int, TreeGridRow> tempdicGroup = new Dictionary <int, TreeGridRow>();
EnumDataRow(tgr, ref tempRowIndex, ref tempdicGroup);
for (int i = 1; i <= iOrginalRowCount; ++i)
{
cacheDataRowIndex[i + currentgroupIndex] = tempRowIndex[i - 1];
}
tempRowIndex.RemoveRange(0, iOrginalRowCount);
cacheDataRowIndex.InsertRange(currentgroupIndex + iOrginalRowCount + 1, tempRowIndex);
Dictionary <int, TreeGridRow> dicGroup = new Dictionary <int, TreeGridRow>();
foreach (KeyValuePair <int, TreeGridRow> kvp in cacheGroupHeaderIndex)
{
if (kvp.Key <= currentgroupIndex)
{
dicGroup.Add(kvp.Key, kvp.Value);
}
else
{
dicGroup.Add(kvp.Key + iNowRowCount - iOrginalRowCount, kvp.Value);
}
}
foreach (KeyValuePair <int, TreeGridRow> kvp in tempdicGroup)
{
dicGroup.Add(kvp.Key + currentgroupIndex + 1, kvp.Value);
}
cacheGroupHeaderIndex = dicGroup;
}
}
return(0);
}
private void CopyContent(TreeGridRow source, TreeGridRow target)
{
target.Level = source.Level;
target.Key = source.Key;
target._expand = source._expand;
if (source.ChildRows != null)
{
target.ChildRows = source.ChildRows.Copy();
}
foreach (KeyValuePair <int, TreeGridRow> kvp in source.Nodes)
{
TreeGridRow sub = new TreeGridRow();
target.Nodes.Add(kvp.Key, sub);
sub.ParentGridRow = target;
CopyContent(kvp.Value, sub);
}
}
// 这里是根据DataTable自动生成分组信息
internal void MutipLevelUpdateGroupData()
{
if (_dv != null && _dv.ShowInGroup && _dt != null)
{
if (m_MulitpleDataRoot == null)
{
m_MulitpleDataRoot = new TreeGridRow();
}
this.m_MulitpleDataRoot.ChildRows = _dt.Clone(); // 克隆数据结构
this.m_MulitpleDataRoot.Nodes.Clear();
if (_dt.Rows.Count == 0)
{
UpdateCacheIndex();
ResetRowCount();
//RowCount = 0;
return;
}
DataRow[] drsRoot = _dt.Select("1=1", mainkey.Keys[0] + " ASC");
m_MulitpleDataRoot.ChildRows.DefaultView.Sort = SortString;
GenerateGroupData("", m_MulitpleDataRoot, mainkey, drsRoot);
_dt.Rows.Clear();
OnFilterGroupData(m_MulitpleDataRoot);
UpdateCacheIndex();
ResetRowCount();
//if (_dv.ColumnCount > 0)
//RowCount = m_MulitpleDataRoot.RowCount;
}
else if (_dt != null)
{
ResetRowCount();
//// 这里要保证行数是正确的
//if (RowCount != _dt.DefaultView.Count)
// RowCount = _dt.DefaultView.Count;
//if (RowCount != 0) // 这里是强制滚动条始终是正确的
//{
// // 更新视图行高
// //_dv.UpdateRowHeightInfo(0, true);
//}
}
}
public void GenerateGroupData(String key, TreeGridRow root, GroupKey gk1, DataRow[] drs)
{
List <string> keyList = new List <string>();
for (int i = 0; i < drs.Length; i++)
{
string subkey = key;
foreach (string s in gk1.Keys)
{
if (subkey == "")
{
subkey += s + "='" + drs[i][s].ToString() + "'";
}
else
{
subkey += " and " + s + "='" + drs[i][s].ToString() + "'";
}
}
if (keyList.Contains(subkey))
{
if (gk1.SubKey == null || (gk1.SubKey != null && gk1.SubKey.Keys.Count == 0)) // 没有子键了，就直接插入吧，叶子节点了
{
foreach (KeyValuePair <int, TreeGridRow> kvp in root.Nodes)
{
if (kvp.Value.Key == subkey)
{
// 这里先注释掉，只要是分组了，一行也分组
//if (kvp.Value.ChildRows.Rows.Count == 0) // 需要导入第一条数据
// kvp.Value.ChildRows.ImportRow(m_GroupDataRoot.ChildRows.Rows[kvp.Key]);
kvp.Value.ChildRows.ImportRow(drs[i]);
}
}
}
}
else
{
keyList.Add(subkey);
TreeGridRow subTreeGrid = new TreeGridRow();
subTreeGrid.ParentGridRow = root;
subTreeGrid.ChildRows = _dt.Clone();
subTreeGrid.ChildRows.ExtendedProperties["Parent"] = root;
subTreeGrid.ChildRows.DefaultView.Sort = SortString;
subTreeGrid.Key = keyList[keyList.Count - 1];
subTreeGrid.Level = root.Level + 1;
bool bTempExpand = false;
if (dicForExpandState.TryGetValue(subTreeGrid.Key, out bTempExpand))
{
subTreeGrid.Expand = bTempExpand;
}
else
{
subTreeGrid.Expand = m_bExpandState;
dicForExpandState.Add(subTreeGrid.Key, subTreeGrid.Expand);
}
MaxLevel = subTreeGrid.Level;
// 打开下面一行，只要是分组了，一行也分组
subTreeGrid.ChildRows.ImportRow(drs[i]);
if (keyList.Count != 1 || root == m_MulitpleDataRoot)
{
root.ChildRows.ImportRow(drs[i]);
if (_dv.ShowCheckBox && drs[i].Table.Columns.Contains(_dv.CheckBoxColName))
{
root.ChildRows.Rows[root.ChildRows.Rows.Count - 1][_dv.CheckBoxColName] = "0";
}
}
subTreeGrid.ChildRows.ExtendedProperties["ParentRow"] = root.ChildRows.Rows.Count - 1;
root.Nodes.Add(root.ChildRows.Rows.Count - 1, subTreeGrid);
if (gk1.SubKey != null && gk1.SubKey.Keys.Count > 0)
{
GenerateGroupData(subkey, subTreeGrid, gk1.SubKey, _dt.Select(subkey));
}
}
}
}
internal void UpdateCacheIndex(TreeGridRow tgr, int iRowIndex)
{
bool bExpand = tgr.Expand;
int iCount = 0;
if (bExpand == false) // 现在是收起，那只需要把不需要的row删除掉就可以了吧
{
EventHandler handler = tgr.ExpandChanged;
tgr.ExpandChanged = null;
tgr.Expand = !bExpand; // 先设回来用来得到正确的行数
tgr.ExpandChanged = handler;
iCount = tgr.RowCount;
tgr.Expand = bExpand;
cacheDataRowIndex.RemoveRange(iRowIndex + 1, iCount);
// 再更新group数据吧
Dictionary <int, TreeGridRow> dicGroup = new Dictionary <int, TreeGridRow>();
foreach (KeyValuePair <int, TreeGridRow> kvp in cacheGroupHeaderIndex)
{
if (kvp.Key <= iRowIndex)
{
dicGroup.Add(kvp.Key, kvp.Value);
}
else if (kvp.Key <= iRowIndex + iCount)
{
// Do nothing.
}
else
{
dicGroup.Add(kvp.Key - iCount, kvp.Value);
}
}
cacheGroupHeaderIndex = dicGroup;
}
else // 这里是展开，所以要添加Row
{
iCount = tgr.RowCount;
List <KeyValuePair <int, DataRow> > tempRowIndex = new List <KeyValuePair <int, DataRow> >();
Dictionary <int, TreeGridRow> tempdicGroup = new Dictionary <int, TreeGridRow>();
EnumDataRow(tgr, ref tempRowIndex, ref tempdicGroup);
cacheDataRowIndex.InsertRange(iRowIndex + 1, tempRowIndex);
Dictionary <int, TreeGridRow> dicGroup = new Dictionary <int, TreeGridRow>();
foreach (KeyValuePair <int, TreeGridRow> kvp in cacheGroupHeaderIndex)
{
if (kvp.Key <= iRowIndex)
{
dicGroup.Add(kvp.Key, kvp.Value);
}
else
{
dicGroup.Add(kvp.Key + iCount, kvp.Value);
}
}
foreach (KeyValuePair <int, TreeGridRow> kvp in tempdicGroup)
{
dicGroup.Add(kvp.Key + iRowIndex + 1, kvp.Value);
}
cacheGroupHeaderIndex = dicGroup;
}
}