public void RangeSelectElement(FromElement element)
{
bool bSelectedChanged = false;
FromElement 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++)
{
FromElement 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++)
{
FromElement 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++)
{
FromElement 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(FromElement element,
bool bClearOld)
{
bool bSelectedChanged = false;
if (bClearOld == true)
{
for (int i = 0; i < this.Elements.Count; i++)
{
FromElement 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.textBox_style.Focus();
}
if (bSelectedChanged == true)
OnSelectedIndexChanged();
}
public void ToggleSelectElement(FromElement 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();
}
// 清除一个FromElement对象对应的Control
public void ClearOneElementControls(
TableLayoutPanel table,
FromElement line)
{
// color
Label label = line.label_color;
table.Controls.Remove(label);
// style
TextBox style = line.textBox_style;
table.Controls.Remove(style);
// captions
CaptionEditControl captions = line.captions;
table.Controls.Remove(captions);
}
public void ClearAllSelect()
{
bool bSelectedChanged = false;
for (int i = 0; i < this.Elements.Count; i++)
{
FromElement cur_element = this.Elements[i];
if ((cur_element.State & ElementState.Selected) != 0)
{
cur_element.State -= ElementState.Selected;
bSelectedChanged = true;
}
}
this.LastClickElement = null;
if (bSelectedChanged == true)
this.OnSelectedIndexChanged();
}
public void RemoveElement(FromElement 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)
{
FromElement 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 FromElement InsertNewElement(int index)
{
this.tableLayoutPanel_main.RowCount += 1;
this.tableLayoutPanel_main.RowStyles.Insert(index + 1, new System.Windows.Forms.RowStyle());
FromElement line = new FromElement(this);
line.InsertToTable(this.tableLayoutPanel_main, index);
this.Elements.Insert(index, line);
line.State = ElementState.New;
SelectElement(line, true); // 2008/6/10
return line;
}
public FromElement AppendNewElement()
{
this.tableLayoutPanel_main.RowCount += 1;
this.tableLayoutPanel_main.RowStyles.Add(new System.Windows.Forms.RowStyle());
FromElement line = new FromElement(this);
line.AddToTable(this.tableLayoutPanel_main, this.Elements.Count + 1);
this.Elements.Add(line);
return line;
}
int SetXml(string strXml,
out string strError)
{
strError = "";
// clear lines原有内容
this.Clear();
this.LastClickElement = null;
if (String.IsNullOrEmpty(strXml) == true)
return 0;
XmlDocument dom = new XmlDocument();
dom.LoadXml("<root />");
XmlDocumentFragment fragment = dom.CreateDocumentFragment();
try
{
fragment.InnerXml = strXml;
}
catch (Exception ex)
{
strError = "fragment XML装入XmlDocumentFragment时出错: " + ex.Message;
return -1;
}
dom.DocumentElement.AppendChild(fragment);
XmlNodeList nodes = dom.DocumentElement.SelectNodes("from");
this.DisableUpdate();
try
{
for (int i = 0; i < nodes.Count; i++)
{
XmlNode node = nodes[i];
FromElement element = this.AppendNewElement();
element.Style = DomUtil.GetAttr(node, "style");
try
{
element.CaptionsXml = node.InnerXml;
}
catch (Exception ex)
{
strError = "set element CaptionXml error: " + ex.Message;
return -1;
}
}
this.SetElementsHeight();
}
finally
{
this.EnableUpdate();
}
return 0;
}
