public string GetVirtrueValue()
{
string ret = string.Empty;
foreach (Control control in Controls)
{
if (control is CheckBox)
{
CheckBox checkBox = control as CheckBox;
if (checkBox.Checked)
{
string tvalue = checkBox.Text;
IndexLeftMarginPair index = checkBox.Tag as IndexLeftMarginPair;
if (_dataRows != null && index != null && _dataRows.Length > index.Index && !string.IsNullOrEmpty(_valueFieldName))
{
if (_dataRows[index.Index][_valueFieldName] != DBNull.Value)
{
tvalue = _dataRows[index.Index][_valueFieldName].ToString();
}
}
ret += "," + tvalue;
}
}
}
if (!string.IsNullOrEmpty(ret))
{
ret = ret.Substring(1);
}
return(ret);
}
private void SetMulitValue(string value)
{
if (_dataRows != null && _dataRows.Length > 0)
{
string vField = _valueFieldName;
if (string.IsNullOrEmpty(vField) && _defaultItems != null && _defaultItems.Count > 0)
{
vField = "ITEM_VALUE";
}
if (!string.IsNullOrEmpty(vField))
{
List <int> list = new List <int>();
if (value != null)
{
string v = "," + value + ",";
for (int i = 0; i < _dataRows.Length; i++)
{
if (_dataRows[i][vField] != System.DBNull.Value && v.Contains("," + _dataRows[i][vField].ToString() + ","))
{
list.Add(i);
}
}
}
foreach (Control control in Controls)
{
if (control is CheckBox)
{
(control as CheckBox).Checked = false;
}
}
if (list.Count > 0)
{
foreach (int index in list)
{
foreach (Control control in Controls)
{
if (control is CheckBox)
{
IndexLeftMarginPair indexPair = control.Tag as IndexLeftMarginPair;
if (indexPair != null && index == indexPair.Index)
{
(control as CheckBox).Checked = true;
}
}
}
}
}
}
}
}
private void SetList()
{
Font _font = this.Font;
Controls.Clear();
Control control = null;
int top = 0, left = 0;
int maxWidth = Width - xOffSet;
if (_dataRows != null)
{
for (int index = 0; index < _dataRows.Length; index++)
{
if (_displayFieldName == null)
{
_displayFieldName = "ITEM_NAME";
}
string text = _dataRows[index][_displayFieldName].ToString();
IndexLeftMarginPair indexLeftPair = new IndexLeftMarginPair();
control = new CheckBox();
CheckBox checkBox = control as CheckBox;
checkBox.AutoSize = false;
checkBox.Text = text;
indexLeftPair.Index = index;
checkBox.Click += new EventHandler(checkBox_Click);
checkBox.Paint += new PaintEventHandler(checkBox_Paint);
control.Font = _font;
control.ForeColor = ForeColor;
control.Name = string.Format("Control{0}", new object[] { index });
using (Graphics g = control.CreateGraphics())
{
SizeF measuerSize = g.MeasureString(text, _font);
control.Top = top;
control.Left = left;
control.Width = xOffSet + (int)Math.Ceiling(measuerSize.Width) + (_font.Style == FontStyle.Bold ? 10 : 0);
control.Height = (int)Math.Ceiling(measuerSize.Height) + 1;
if (_isVert)
{
if (_checkBoxLocation == LeftRightAlignment.Left)
{
checkBox.CheckAlign = ContentAlignment.TopLeft;
}
else
{
checkBox.CheckAlign = ContentAlignment.TopRight;
checkBox.TextAlign = ContentAlignment.MiddleRight;
checkBox.Left += Width - checkBox.Width;
}
// 判断总共需要几行
if (measuerSize.Width > maxWidth)
{
int nLines = Convert.ToInt32(Math.Ceiling(measuerSize.Width)) / maxWidth;
int nRemain = Convert.ToInt32(Math.Ceiling(measuerSize.Width)) % maxWidth;
if (nRemain > 0)
{
nLines++;
}
control.Width = Width;
control.Height = control.Height * nLines;
}
top += control.Height + 2;
}
else
{
if (_checkBoxLocation == LeftRightAlignment.Left)
{
checkBox.CheckAlign = ContentAlignment.MiddleLeft;
}
else
{
checkBox.CheckAlign = ContentAlignment.MiddleRight;
}
// 如果选项一行装不下，则分多行
if (measuerSize.Width > maxWidth)
{
if (left > 0)
{
top += control.Height + 3;
}
control.Left = left = 0;
control.Top = top;
// 判断总共需要几行
int nLines = Convert.ToInt32(Math.Ceiling(measuerSize.Width)) / maxWidth;
int nRemain = Convert.ToInt32(Math.Ceiling(measuerSize.Width)) % maxWidth;
if (nRemain > 0)
{
nLines++;
}
control.Width = Width;
control.Height = control.Height * nLines;
top += control.Height + 3;
}
else if (left + measuerSize.Width > maxWidth) // 本行不够则换行
{
control.Left = 0;
top += control.Height + 3;
control.Top = top;
left = control.Width;
}
else
{
left += control.Width;
}
}
if (_dataRows[index]["LeftMargin"] != null && _dataRows[index]["LeftMargin"] != DBNull.Value && !(_dataRows[index]["LeftMargin"] is DBNull))
{
int leftMargin = Convert.ToInt32(_dataRows[index]["LeftMargin"]);
if (leftMargin > 0)
{
if (_isVert)
{
control.Top += leftMargin;
top += leftMargin;
}
else
{
if (control.Left + leftMargin + measuerSize.Width > maxWidth)
{
control.Left = 0;
top += control.Height + 3;
control.Top = top;
left = control.Width;
}
else
{
control.Left += leftMargin;
left += leftMargin;
}
}
indexLeftPair.LeftMargin = leftMargin;
}
}
control.Tag = indexLeftPair;
Controls.Add(control);
}
}
}
if (Controls.Count > 0)
{
toolTip1.SetToolTip(this, null);
}
}
private void checkBox_Click(object sender, EventArgs e)
{
if (_readOnly)
{
(sender as CheckBox).Checked = !(sender as CheckBox).Checked;
return;
}
else
{
}
string value = "";
_simpleValue = null;
foreach (Control control in Controls)
{
if (control is CheckBox)
{
CheckBox checkBox = control as CheckBox;
if (!_multiSelect)
{
if (!checkBox.Equals(sender))
{
checkBox.Checked = false;
}
}
if (checkBox.Checked)
{
string tvalue = checkBox.Text;
if (!_multiSelect)
{
IndexLeftMarginPair index = checkBox.Tag as IndexLeftMarginPair;
if (_dataRows != null && index != null && _dataRows.Length > index.Index && !string.IsNullOrEmpty(_valueFieldName))
{
_simpleValue = _dataRows[index.Index][_valueFieldName];
}
}
else
{
IndexLeftMarginPair index = checkBox.Tag as IndexLeftMarginPair;
if (_dataRows != null && index != null && _dataRows.Length > index.Index && !string.IsNullOrEmpty(_valueFieldName))
{
if (_dataRows[index.Index][_valueFieldName] != DBNull.Value)
{
tvalue = _dataRows[index.Index][_valueFieldName].ToString();
}
}
}
value += "," + tvalue;
}
}
}
if (!string.IsNullOrEmpty(value))
{
value = value.Substring(1);
}
if (!value.Equals(_value))
{
_value = value;
}
RaiseValueChanged();
}
