// 清除一个Item2对象对应的Control
public void ClearOneItemControls(
TableLayoutPanel table,
Item2 line)
{
// color
Label label = line.label_color;
table.Controls.Remove(label);
// catalog no
table.Controls.Remove(line.textBox_catalogNo);
// seller
table.Controls.Remove(line.comboBox_seller);
// source
table.Controls.Remove(line.comboBox_source);
// range
table.Controls.Remove(line.dateRange_range);
// issue count
table.Controls.Remove(line.comboBox_issueCount);
// copy
table.Controls.Remove(line.comboBox_copy);
// price
table.Controls.Remove(line.textBox_price);
// location
table.Controls.Remove(line.location);
// class
table.Controls.Remove(line.comboBox_class);
// seller address
table.Controls.Remove(line.label_sellerAddress);
// other
table.Controls.Remove(line.label_other);
}
public void RangeSelectItem(Item2 element)
{
Item2 start = this.LastClickItem;
int nStart = this.Items.IndexOf(start);
if (nStart == -1)
return;
int nEnd = this.Items.IndexOf(element);
if (nStart > nEnd)
{
// 交换
int nTemp = nStart;
nStart = nEnd;
nEnd = nTemp;
}
for (int i = nStart; i <= nEnd; i++)
{
Item2 cur_element = this.Items[i];
if ((cur_element.State & ItemState.Selected) == 0)
cur_element.State |= ItemState.Selected;
}
// 清除其余位置
for (int i = 0; i < nStart; i++)
{
Item2 cur_element = this.Items[i];
if ((cur_element.State & ItemState.Selected) != 0)
cur_element.State -= ItemState.Selected;
}
for (int i = nEnd + 1; i < this.Items.Count; i++)
{
Item2 cur_element = this.Items[i];
if ((cur_element.State & ItemState.Selected) != 0)
cur_element.State -= ItemState.Selected;
}
}
// 获得一个未曾使用的index字符串
// paremeters:
// exclude 查阅过程中，排除此项。如果不需要本参数(即不排除任何事项)，用使用值null
string GetNewIndex(Item2 exclude)
{
for (int j = 1; ; j++)
{
string strIndex = j.ToString();
bool bFound = false;
for (int i = 0; i < this.Items.Count; i++)
{
Item2 item = this.Items[i];
if (item == exclude)
continue;
if (item.Index == strIndex)
{
bFound = true;
break;
}
}
if (bFound == false)
return strIndex;
}
}
public void ToggleSelectItem(Item2 element)
{
// 选中当前行
if ((element.State & ItemState.Selected) == 0)
element.State |= ItemState.Selected;
else
element.State -= ItemState.Selected;
this.LastClickItem = element;
}
public void SelectItem(Item2 element,
bool bClearOld)
{
if (bClearOld == true)
{
for (int i = 0; i < this.Items.Count; i++)
{
Item2 cur_element = this.Items[i];
if (cur_element == element)
continue; // 暂时不处理当前行
if ((cur_element.State & ItemState.Selected) != 0)
cur_element.State -= ItemState.Selected;
}
}
// 选中当前行
if ((element.State & ItemState.Selected) == 0)
element.State |= ItemState.Selected;
this.LastClickItem = element;
}
public void RemoveItem(Item2 line)
{
int index = this.Items.IndexOf(line);
if (index == -1)
return;
line.RemoveFromTable(this.dpTable1, index);
this.Items.Remove(line);
/*
if (this.LastClickItem == line)
this.LastClickItem = null;
* */
this.Changed = true;
}
public Item2 InsertNewItem(int index)
{
this.DisableUpdate(); // 防止闪动。彻底解决问题。2009/10/13
try
{
Item2 item = new Item2(this);
item.AddToTable(this.dpTable1, index);
this.Items.Insert(index, item);
if (this.GetDefaultRecord != null)
{
GetDefaultRecordEventArgs e = new GetDefaultRecordEventArgs();
this.GetDefaultRecord(this, e);
string strDefaultRecord = e.Xml;
if (String.IsNullOrEmpty(strDefaultRecord) == true)
goto END1;
string strError = "";
// 根据缺省XML订购记录填充必要的字段
int nRet = SetDefaultRecord(item,
strDefaultRecord,
true,
out strError);
if (nRet == -1)
throw new Exception(strError);
}
END1:
item.State = ItemState.New;
return item;
}
finally
{
this.EnableUpdate();
}
}
// 根据缺省XML订购记录填充必要的字段
int SetDefaultRecord(Item2 item,
string strDefaultRecord,
bool bResetIndexValue,
out string strError)
{
strError = "";
if (String.IsNullOrEmpty(strDefaultRecord) == true)
return 0;
XmlDocument dom = new XmlDocument();
try
{
dom.LoadXml(strDefaultRecord);
}
catch (Exception ex)
{
strError = "XML记录装入DOM时出错: " + ex.Message;
return -1;
}
// catalog no
item.CatalogNo = DomUtil.GetElementText(dom.DocumentElement,
"catalogNo");
// seller
item.Seller = DomUtil.GetElementText(dom.DocumentElement,
"seller");
// range
try
{
item.RangeString = DomUtil.GetElementText(dom.DocumentElement,
"range");
}
catch (Exception ex)
{
// 2008/12/18
strError = ex.Message;
return -1;
}
item.IssueCountString = DomUtil.GetElementText(dom.DocumentElement,
"issueCount");
// source
string strSource = DomUtil.GetElementText(dom.DocumentElement,
"source");
string strNewSource = "";
string strOldSource = "";
ParseOldNewValue(strSource,
out strOldSource,
out strNewSource);
if (String.IsNullOrEmpty(strNewSource) == true) // 没有新值的时候用旧值作为初始值
item.Source = strOldSource;
else
item.Source = strNewSource;
item.OldSource = strOldSource;
// distribute string
// 注意：必须在copy前设置，因为copy string中可能包含勾选location item的信息，如果copy string先设置，勾选好的状态会被后来重设distribute string而冲掉
string strDistribute = DomUtil.GetElementText(dom.DocumentElement,
"distribute");
item.Distribute = strDistribute;
// copy
// 注：copy值是按照XML记录来设置的。一般设置为可能的最大值
string strCopy = DomUtil.GetElementText(dom.DocumentElement,
"copy");
string strNewCopy = "";
string strOldCopy = "";
ParseOldNewValue(strCopy,
out strOldCopy,
out strNewCopy);
/*
if (String.IsNullOrEmpty(strNewCopy) == true) // 没有新值的时候用旧值作为初始值
item.CopyString = strOldCopy;
else
item.CopyString = strNewCopy;
item.OldCopyString = strOldCopy;
* */
// 2008/11/3 changed
if (this.ArriveMode == false)
{
// 订购时，用旧价格
item.CopyString = strOldCopy;
item.OldCopyString = strOldCopy;
}
else
{
// 2008/10/19 changed
// 验收时，新旧价格都分明
if (String.IsNullOrEmpty(strNewCopy) == false)
item.CopyString = strNewCopy;
if (String.IsNullOrEmpty(strOldCopy) == false)
item.OldCopyString = strOldCopy;
}
// 限制馆藏地点事项的个数
int nMaxCopyValue = Math.Max(item.CopyValue, item.OldCopyValue);
if (nMaxCopyValue < item.DistributeCount)
item.DistributeCount = nMaxCopyValue;
/*
// 限制馆藏地点事项的个数
try
{
strDistribute = LocationEditControl.CanonicalizeDistributeString(
strDistribute,
item.CopyValue);
}
catch (Exception ex)
{
strError = ex.Message;
return -1;
}*/
// price
string strPrice = DomUtil.GetElementText(dom.DocumentElement,
"price");
string strNewPrice = "";
string strOldPrice = "";
ParseOldNewValue(strPrice,
out strOldPrice,
out strNewPrice);
if (String.IsNullOrEmpty(strNewPrice) == true) // 没有新值的时候用旧值作为初始值
item.Price = strOldPrice;
else
item.Price = strNewPrice;
item.OldPrice = strOldPrice;
// class
item.Class = DomUtil.GetElementText(dom.DocumentElement,
"class");
// 设置好 已订购 状态
string strState = DomUtil.GetElementText(dom.DocumentElement,
"state");
if (this.ArriveMode == false)
{
// 订购态
// 注：只有未订购的、草稿状态的事项才允许修改订购
// 已订购(必然是全部发出，不可能局部发出)，或者已验收(有可能是局部验收，或者(虽然已验收完但是)潜在可以追加)，这样的事项都不能再进行任何订购操作，所以为readonly
if (strState == "已订购" || strState == "已验收")
item.State |= ItemState.ReadOnly;
}
else
{
// 验收态
if (strState == "已订购" || strState == "已验收")
{
// 注：状态为“已验收”时，不一定全部复本都已验收，所以这时应当允许再次验收。
// 即便所有复本都已验收，还可以追加、多验收复本，所以这样的事项不能readonly
// item.State -= ItemState.ReadOnly;
// 将location item中已经勾选的事项设置为readonly态，表示是已经验收的(馆藏地点、册)事项
item.location.SetAlreadyCheckedToReadOnly(false);
}
else
{
// 一般而言可能出现了空白的状态值，这表明尚未订出，还属于草稿记录，自然也就无从验收了
item.State |= ItemState.ReadOnly;
}
}
// 2009/2/13
try
{
item.SellerAddressXml = DomUtil.GetElementOuterXml(dom.DocumentElement, "sellerAddress");
}
catch (Exception ex)
{
strError = "设置SellerAddressXml时发生错误: " + ex.Message;
return -1;
}
try
{
item.OtherXml = strDefaultRecord;
}
catch (Exception ex)
{
strError = "设置OtherXml时发生错误: " + ex.Message;
return -1;
}
if (bResetIndexValue == true)
{
// 修正index
item.Index = GetNewIndex(item);
}
return 0;
}