/// <summary>
/// 设置列对齐方式
/// </summary>
/// <param name="info"></param>
/// <param name="column"></param>
public static void SetAlign(DGVColumnInfo info, DataGridViewColumn column)
{
if (info.Align == null)
{
return;
}
string align = info.Align.Trim().ToLower();
if (align.Equals("left"))
{
column.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;
column.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleLeft;
return;
}
if (align.Equals("right"))
{
column.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
column.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
return;
}
if (align.Equals("center"))
{
column.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
column.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
return;
}
}
/// <summary>
/// 创建并初始化控件
/// </summary>
/// <param name="dic"></param>
/// <param name="dgv"></param>
public static DataGridViewCheckBoxColumn CreateAndInitControls(List <DGVColumnInfo> lst, DataGridView dgv)
{
DataGridViewCheckBoxColumn chkColumn = null;
foreach (var it in lst)
{
if (it.Control == null)
{
it.Control = DGVColumnInfo.CreateControl(it);
if (it.Control is DataGridViewCheckBoxColumn)
{
chkColumn = it.Control as DataGridViewCheckBoxColumn;
}
dgv.Columns.Add(it.Control);
}
}
foreach (var it in lst)
{
it.Control.HeaderText = it.ColumnText;
it.Control.DataPropertyName = it.ColumnName;
it.Control.Name = it.ColumnID;
}
return(chkColumn);
}
/// <summary>
/// 对已存在的列进行处理,并创建多选列
/// </summary>
private void InitExistColumns8Tag(DataGridView dgv)
{
foreach (DataGridViewColumn it in dgv.Columns)
{
string key = Convert.ToString(it.Tag);
if (string.IsNullOrWhiteSpace(key))
{
key = it.Name;
}
DGVColumnInfo ex = null;
if (!columns.TryGetValue(key, out ex))
{
continue;
}
if ((string)it.Tag != key)
{
it.Tag = key;
}
if (ex != null)
{
ex.Control = it;
}
if (it is DataGridViewCheckBoxColumn)
{
CheckBoxIndex = it.Index;
}
}
}
/// <summary>
/// 初始化控件
/// </summary>
/// <param name="form"></param>
/// <param name="dgv"></param>
/// <param name="cls"></param>
/// <returns></returns>
private bool Init(DataGridView dgv, bool isUsingCheck)
{
if (dgv == null)
{
return(false);
}
myDGV = dgv;
dgv.AutoGenerateColumns = false;
dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCellsExceptHeaders;
dgv.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
InitExistColumns8Tag(dgv); // 对已存在的列进行处理
if (CheckBoxIndex < 0 && isUsingCheck && !ColumnHasChk()) // 自动创建多选列
{
checkColumn = DGViewUtil.CreateCheckBoxColumn(20, true);
myDGV.Columns.Add(checkColumn);
}
DataGridViewCheckBoxColumn chk = DGVColumnInfo.CreateAndInitControls(clsList, dgv); // 创建不存在的列并设置相关信息
if (chk != null) // 自动创建多选列
{
checkColumn = chk;
}
OnResize(); // 设置列宽
return(true);
}
private bool ColumnHasChk()
{
if (initHasChk != null)
{
return(initHasChk.Equals("1"));
}
initHasChk = DGVColumnInfo.HasChkColumn(clsList) ? "1" : "0";
return(initHasChk.Equals("1"));
}
/// <summary>
/// 控件改动时修改列宽度
/// </summary>
/// <param name="lst"></param>
/// <param name="width"></param>
/// <param name="displayStartIndex"></param>
public static void ControlsResize(List <DGVColumnInfo> lst, int width, int displayStartIndex)
{
foreach (var it in lst)
{
if (it.Width > 0)
{
it.Control.Width = it.Width;
}
else
{
it.Control.Width = (width * it.WidthPercent) / 100;
}
it.Control.DisplayIndex = it.DipplayIndex + displayStartIndex;
DGVColumnInfo.SetAlign(it, it.Control);
}
}
/// <summary>
/// 常见列
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
private static DataGridViewColumn CreateControl(DGVColumnInfo info)
{
if (info.Type.ToLower().Equals("chk"))
{
return(DGViewUtil.CreateCheckBoxColumn());
}
else if (info.Type.ToLower().Equals("chk_head"))
{
return(DGViewUtil.CreateCheckBoxColumn(20, true));
}
else
{
DataGridViewColumn ex = new DataGridViewTextBoxColumn();
ex.Tag = info.ColumnID;
if (info.IsShow == 0)
{
ex.Visible = false;
}
ex.DefaultCellStyle.WrapMode = DataGridViewTriState.True;
return(ex);
}
}
/// <summary>
/// 设置列宽
/// </summary>
public void OnResize()
{
if (myDGV == null)
{
return;
}
int width = myDGV.Size.Width - 5;
if (myDGV.RowHeadersVisible)
{
width -= myDGV.RowHeadersWidth;
}
if (checkColumn != null)
{
CheckBoxIndex = checkColumn.Index;
}
int startIndex = 0;
if (IsAutoCreateChkColumn())
{
width -= checkColumn.Width;
startIndex++;
}
int pinWidth = DGVColumnInfo.GetWidths(clsList);
width -= pinWidth;
if (width < 0)
{
width = myDGV.Size.Width;
}
DGVColumnInfo.ControlsResize(clsList, width, startIndex); // 重新设置列宽度
}