// 清除一个DcElement对象对应的Control
public void ClearOneElementControls(
TableLayoutPanel table,
DcElement line)
{
// color
Label label = line.label_color;
table.Controls.Remove(label);
// element
ComboBox element_combo = line.comboBox_element;
table.Controls.Remove(element_combo);
// scheme
ComboBox scheme = line.comboBox_scheme;
table.Controls.Remove(scheme);
// language
ComboBox language = line.comboBox_language;
table.Controls.Remove(language);
// text
TextBox text = line.textBox_value;
table.Controls.Remove(text);
}
public int SetXml(string strXml,
out string strError)
{
strError = "";
// clear lines原有内容
this.Clear();
this.DataDom = null;
this.DataRoot = null;
this.DcNodes = null;
this.LastClickElement = null;
this.XmlNamespaceManager = null;
if (String.IsNullOrEmpty(strXml) == true)
return 0;
this.DataDom = new XmlDocument();
try
{
this.DataDom.LoadXml(strXml);
}
catch (Exception ex)
{
strError = "XML数据装入DOM时发生错误: " + ex.Message;
return -1;
}
return this.SetXml(this.DataDom, out strError);
}
public void ToggleSelectElement(DcElement element)
{
// 选中当前行
if ((element.State & ElementState.Selected) == 0)
element.State |= ElementState.Selected;
else
element.State -= ElementState.Selected;
this.LastClickElement = element;
this.OnSelectedIndexChanged();
}
public void RangeSelectElement(DcElement element)
{
bool bSelectedChanged = false;
DcElement start = this.LastClickElement;
int nStart = this.Elements.IndexOf(start);
if (nStart == -1)
return;
int nEnd = this.Elements.IndexOf(element);
if (nStart > nEnd)
{
// 交换
int nTemp = nStart;
nStart = nEnd;
nEnd = nTemp;
}
for (int i = nStart; i <= nEnd; i++)
{
DcElement cur_element = this.Elements[i];
if ((cur_element.State & ElementState.Selected) == 0)
{
cur_element.State |= ElementState.Selected;
bSelectedChanged = true;
}
}
// 清除其余位置
for (int i = 0; i < nStart; i++)
{
DcElement cur_element = this.Elements[i];
if ((cur_element.State & ElementState.Selected) != 0)
{
cur_element.State -= ElementState.Selected;
bSelectedChanged = true;
}
}
for (int i = nEnd + 1; i < this.Elements.Count; i++)
{
DcElement cur_element = this.Elements[i];
if ((cur_element.State & ElementState.Selected) != 0)
{
cur_element.State -= ElementState.Selected;
bSelectedChanged = true;
}
}
if (bSelectedChanged == true)
this.OnSelectedIndexChanged();
}
public void SelectElement(DcElement element,
bool bClearOld)
{
bool bSelectedChanged = false;
if (bClearOld == true)
{
for (int i = 0; i < this.Elements.Count; i++)
{
DcElement cur_element = this.Elements[i];
if (cur_element == element)
continue; // 暂时不处理当前行
if ((cur_element.State & ElementState.Selected) != 0)
{
cur_element.State -= ElementState.Selected;
bSelectedChanged = true;
}
}
}
// 选中当前行
if ((element.State & ElementState.Selected) == 0)
{
element.State |= ElementState.Selected;
bSelectedChanged = true;
}
this.LastClickElement = element;
if (bClearOld == true)
{
// 看看focus是不是已经在这一行上？
// 如果不在，则要切换过来
if (element.IsSubControlFocused() == false)
element.comboBox_element.Focus();
}
if (bSelectedChanged == true)
OnSelectedIndexChanged();
}
public void RemoveElement(DcElement line)
{
int index = this.Elements.IndexOf(line);
if (index == -1)
return;
line.RemoveFromTable(this.tableLayoutPanel_main, index);
this.Elements.Remove(line);
if (this.LastClickElement == line)
this.LastClickElement = null;
this.Changed = true;
}
public void RemoveElement(int index)
{
DcElement line = this.Elements[index];
line.RemoveFromTable(this.tableLayoutPanel_main, index);
this.Elements.Remove(line);
if (this.LastClickElement == line)
this.LastClickElement = null;
this.Changed = true;
}
public DcElement InsertNewElement(int index)
{
this.DisableUpdate(); // 防止闪动。彻底解决问题。2009/10/13
try
{
this.tableLayoutPanel_main.RowCount += 1;
this.tableLayoutPanel_main.RowStyles.Insert(index + 1, new System.Windows.Forms.RowStyle());
DcElement line = new DcElement(this);
line.InsertToTable(this.tableLayoutPanel_main, index);
this.Elements.Insert(index, line);
line.State = ElementState.New;
return line;
}
finally
{
this.EnableUpdate();
}
}
public DcElement AppendNewElement()
{
this.DisableUpdate(); // 防止闪动。彻底解决问题。2009/10/13
try
{
// int nLastRow = this.tableLayoutPanel_main.RowCount;
this.tableLayoutPanel_main.RowCount += 1;
this.tableLayoutPanel_main.RowStyles.Add(new System.Windows.Forms.RowStyle());
DcElement line = new DcElement(this);
line.AddToTable(this.tableLayoutPanel_main, this.Elements.Count + 1);
this.Elements.Add(line);
return line;
}
finally
{
this.EnableUpdate();
}
}
