public override void ParseXml(XmlElement aNode)
{
base.ParseXml(aNode);
FEditProtect = aNode.GetAttribute("editprotect") == "1";
FOutOfRang = aNode.GetAttribute("outofrang") == "1";
FCopyProtect = aNode.GetAttribute("copyprotect") == "1";
FAllocValue = aNode.GetAttribute("allocvalue") == "1";
if (aNode.HasAttribute("deleteallow"))
{
FDeleteAllow = aNode.GetAttribute("deleteallow") == "1";
}
else
{
FDeleteAllow = true;
}
byte vByte = 0;
bool vHasValue = byte.TryParse(aNode.GetAttribute("styleex"), out vByte);
FStyleEx = (StyleExtra)vByte;
string vProp = HC.View.HC.GetXmlRN(aNode.Attributes["property"].Value);
DeProp.SetPropertyString(vProp, FPropertys);
}
public override void LoadFromStream(Stream aStream, HCStyle aStyle, ushort aFileVersion)
{
base.LoadFromStream(aStream, aStyle, aFileVersion);
byte vByte = (byte)aStream.ReadByte();
FEditProtect = HC.View.HC.IsOdd(vByte >> 7);
FOutOfRang = HC.View.HC.IsOdd(vByte >> 6);
FCopyProtect = HC.View.HC.IsOdd(vByte >> 5);
FAllocValue = HC.View.HC.IsOdd(vByte >> 4);
if (aFileVersion > 34)
{
FDeleteAllow = HC.View.HC.IsOdd(vByte >> 3);
}
else
{
FDeleteAllow = true;
}
vByte = (byte)aStream.ReadByte();
FStyleEx = (StyleExtra)vByte;
string vS = "";
HC.View.HC.HCLoadTextFromStream(aStream, ref vS, aFileVersion);
DeProp.SetPropertyString(vS, FPropertys);
}
public override void Assign(HCCustomItem source)
{
base.Assign(source);
FStyleEx = (source as DeItem).StyleEx;
string vS = DeProp.GetPropertyString((source as DeItem).Propertys);
DeProp.SetPropertyString(vS, FPropertys);
}
public override void Assign(HCCustomItem source)
{
base.Assign(source);
FStyleEx = (source as DeItem).StyleEx;
FEditProtect = (source as DeItem).EditProtect;
FDeleteAllow = (source as DeItem).DeleteAllow;
FCopyProtect = (source as DeItem).CopyProtect;
FAllocValue = (source as DeItem).AllocValue;
FOutOfRang = (source as DeItem).OutOfRang;
string vS = DeProp.GetPropertyString((source as DeItem).Propertys);
DeProp.SetPropertyString(vS, FPropertys);
}
public override void LoadFromStream(Stream aStream, HCStyle aStyle, ushort aFileVersion)
{
base.LoadFromStream(aStream, aStyle, aFileVersion);
byte vByte = (byte)aStream.ReadByte();
FEditProtect = (vByte >> 7) == 1;
vByte = (byte)aStream.ReadByte();
FStyleEx = (StyleExtra)vByte;
string vS = "";
HC.View.HC.HCLoadTextFromStream(aStream, ref vS, aFileVersion);
DeProp.SetPropertyString(vS, FPropertys);
}
/// <summary> 按键按下 </summary>
/// <param name="e">按键信息</param>
protected override void OnKeyDown(KeyEventArgs e)
{
if (FTrace)
{
if (HC.View.HC.IsKeyDownEdit(e.KeyValue))
{
string vText = "";
string vCurTrace = "";
int vStyleNo = HCStyle.Null;
int vParaNo = HCStyle.Null;
StyleExtra vCurStyleEx = StyleExtra.cseNone;
HCRichData vData = this.ActiveSectionTopLevelData() as HCRichData;
if (vData.SelectExists())
{
this.DisSelect();
return;
}
if (vData.SelectInfo.StartItemNo < 0)
{
return;
}
if (vData.Items[vData.SelectInfo.StartItemNo].StyleNo < HCStyle.Null)
{
base.OnKeyDown(e);
return;
}
// 取光标处的文本
if (e.KeyCode == Keys.Back) // 回删
{
if ((vData.SelectInfo.StartItemNo == 0) &&
(vData.SelectInfo.StartItemOffset == 0)) // 第一个最前面则不处理
{
return;
}
else // 不是第一个最前面
if (vData.SelectInfo.StartItemOffset == 0) // 最前面，移动到前一个最后面处理
{
if (vData.Items[vData.SelectInfo.StartItemNo].Text != "") // 当前行不是空行
{
vData.SelectInfo.StartItemNo = vData.SelectInfo.StartItemNo - 1;
vData.SelectInfo.StartItemOffset = vData.Items[vData.SelectInfo.StartItemNo].Length;
this.OnKeyDown(e);
}
else // 空行不留痕直接默认处理
{
base.OnKeyDown(e);
}
return;
}
else // 不是第一个Item，也不是在Item最前面
if (vData.Items[vData.SelectInfo.StartItemNo] is DeItem) // 文本
{
DeItem vDeItem = vData.Items[vData.SelectInfo.StartItemNo] as DeItem;
vText = vDeItem.SubString(vData.SelectInfo.StartItemOffset, 1);
vStyleNo = vDeItem.StyleNo;
vParaNo = vDeItem.ParaNo;
vCurStyleEx = vDeItem.StyleEx;
vCurTrace = vDeItem[DeProp.Trace];
}
}
else
if (e.KeyCode == Keys.Delete) // 后删
{
if ((vData.SelectInfo.StartItemNo == vData.Items.Count - 1) &&
(vData.SelectInfo.StartItemOffset == vData.Items[vData.Items.Count - 1].Length))
{
return; // 最后一个最后面则不处理
}
else
if (vData.SelectInfo.StartItemOffset == vData.Items[vData.SelectInfo.StartItemNo].Length) // 最后面，移动到后一个最前面处理
{
vData.SelectInfo.StartItemNo = vData.SelectInfo.StartItemNo + 1;
vData.SelectInfo.StartItemOffset = 0;
this.OnKeyDown(e);
return;
}
else // 不是最后一个Item，也不是在Item最后面
if (vData.Items[vData.SelectInfo.StartItemNo] is DeItem) // 文本
{
DeItem vDeItem = vData.Items[vData.SelectInfo.StartItemNo] as DeItem;
vText = vDeItem.SubString(vData.SelectInfo.StartItemOffset + 1, 1);
vStyleNo = vDeItem.StyleNo;
vParaNo = vDeItem.ParaNo;
vCurStyleEx = vDeItem.StyleEx;
vCurTrace = vDeItem[DeProp.Trace];
}
}
// 删除掉的内容以痕迹的形式插入
this.BeginUpdate();
try
{
base.OnKeyDown(e);
if (FTrace && (vText != "")) // 有删除的内容
{
if ((vCurStyleEx == StyleExtra.cseAdd) && (vCurTrace == "")) // 新添加未生效痕迹可以直接删除
{
return;
}
// 创建删除字符对应的Item
DeItem vDeItem = new DeItem();
vDeItem.Text = vText;
vDeItem.StyleNo = vStyleNo;
vDeItem.ParaNo = vParaNo;
if ((vCurStyleEx == StyleExtra.cseDel) && (vCurTrace == "")) // 原来是删除未生效痕迹
{
vDeItem.StyleEx = StyleExtra.cseNone; // 取消删除痕迹
}
else // 生成删除痕迹
{
vDeItem.StyleEx = StyleExtra.cseDel;
}
// 插入删除痕迹Item
HCCustomItem vCurItem = vData.Items[vData.SelectInfo.StartItemNo];
if (vData.SelectInfo.StartItemOffset == 0) // 在Item最前面
{
if (vDeItem.CanConcatItems(vCurItem)) // 可以合并
{
vCurItem.Text = vDeItem.Text + vCurItem.Text;
if (e.KeyCode == Keys.Delete) // 后删
{
vData.SelectInfo.StartItemOffset = vData.SelectInfo.StartItemOffset + 1;
}
this.ActiveSection.ReFormatActiveItem();
}
else // 不能合并
{
vDeItem.ParaFirst = vCurItem.ParaFirst;
vCurItem.ParaFirst = false;
this.InsertItem(vDeItem);
if (e.KeyCode == Keys.Back) // 回删
{
vData.SelectInfo.StartItemOffset = vData.SelectInfo.StartItemOffset - 1;
}
}
}
else
if (vData.SelectInfo.StartItemOffset == vCurItem.Length) // 在Item最后面
{
if (vCurItem.CanConcatItems(vDeItem)) // 可以合并
{
vCurItem.Text = vCurItem.Text + vDeItem.Text;
if (e.KeyCode == Keys.Delete) // 后删
{
vData.SelectInfo.StartItemOffset = vData.SelectInfo.StartItemOffset + 1;
}
this.ActiveSection.ReFormatActiveItem();
}
else // 不可以合并
{
this.InsertItem(vDeItem);
if (e.KeyCode == Keys.Back) // 回删
{
vData.SelectInfo.StartItemOffset = vData.SelectInfo.StartItemOffset - 1;
}
}
}
else // 在Item中间
{
this.InsertItem(vDeItem);
if (e.KeyCode == Keys.Back) // 回删
{
vData.SelectInfo.StartItemOffset = vData.SelectInfo.StartItemOffset - 1;
}
}
}
}
finally
{
this.EndUpdate();
}
}
else
{
base.OnKeyDown(e);
}
}
else
{
base.OnKeyDown(e);
}
}
