protected virtual void OnAfterEditPage(EditPageEventArgs arg)
{
}
public int EditPage(JObject data, RequestWrapper formWrapper, List <RequestWrapper> tabsWrapper)
{
const string DATA_TYPE_DELETED = "deleted";
const string DATA_TYPE_UPDATED = "updated";
const string DATA_TYPE_INSERTED = "inserted";
const string DATA_TYPE_FORM = "form";
const string DATA_TYPE_TABS = "tabs";
const string DATA_TYPE_ARRAY = "Array";
Dictionary <string, OptType> actionTypes = new Dictionary <string, OptType> {
{ DATA_TYPE_DELETED, OptType.Del },
{ DATA_TYPE_UPDATED, OptType.Mod },
{ DATA_TYPE_INSERTED, OptType.Add }
};
var handles = new Dictionary <string, Func <RequestWrapper, int> > {
{ DATA_TYPE_DELETED, x => BuilderParse(x.ToParamDelete()).Execute() },
{ DATA_TYPE_UPDATED, x => BuilderParse(x.ToParamUpdate()).Execute() },
{ DATA_TYPE_INSERTED, x => BuilderParse(x.ToParamInsert()).Execute() }
};
var rowsAffected = 0;
Logger("编辑记录", () =>
{
var formData = data[DATA_TYPE_FORM];
var tabsData = data[DATA_TYPE_TABS];
var editArgs = new EditPageEventArgs()
{
db = db, data = data, formWrapper = formWrapper, tabsWrapper = tabsWrapper
};
//开启事务
db.UseTransaction(true);
//更新全部数据之前事件
var rtnBefore = this.OnBeforeEditPage(editArgs);
if (!rtnBefore)
{
return;
}
//更新主表
if (formData != null && formWrapper != null)
{
formWrapper.SetRequestData(formData);
var changedFieldCount = formWrapper.ToParamUpdate().GetData().Columns.Count;
//如果有字段被修改则更新
if (changedFieldCount > 0)
{
//到数据库中取得旧值
var formOld = BuilderParse(formWrapper.ToParamQuery()).QuerySingleDynamic();
var strAction = (formOld == null) ? DATA_TYPE_INSERTED : DATA_TYPE_UPDATED;
//事件参数
editArgs.dataNew = formData;
editArgs.dataOld = formOld ?? new JObject();
editArgs.dataAction = actionTypes[strAction];
editArgs.dataWrapper = formWrapper;
//主表编辑前事件
rtnBefore = this.OnBeforeEditPageForm(editArgs);
if (!rtnBefore)
{
return;
}
//主表数据处理
formWrapper.SetRequestData(editArgs.dataNew);
editArgs.executeValue = handles[strAction](formWrapper);
rowsAffected += editArgs.executeValue;
//把未修改的数据更新到form新值上,避免在后面的事件中使用formNew值时为null出现错误
if (editArgs.dataAction == OptType.Mod)
{
EachHelper.EachObjectProperty(editArgs.dataOld as object, (i, name, value) =>
{
if (editArgs.dataNew[name] == null)
{
editArgs.dataNew[name] = JToken.FromObject(value ?? string.Empty);
}
});
}
//主表编辑结束事件
this.OnAfterEditPageForm(editArgs);
}
}
//更新tabs
if (tabsData != null && tabsWrapper != null)
{
var current = 0;
var wrapperCount = tabsWrapper.Count;
foreach (JToken tab in tabsData.Children())
{
//如果Tab数据长度大于wrapper长度，则结束
if (current > wrapperCount - 1)
{
break;
}
//如果数据为null或未配置相应的wrapper则跳过处理
var wrapper = tabsWrapper[current++];
if (tab == null || wrapper == null)
{
continue;
}
//判断是form类型还是grid类型
bool IsGrid = (tab[DATA_TYPE_DELETED] != null && tab[DATA_TYPE_DELETED].Type.ToString() == DATA_TYPE_ARRAY) ||
(tab[DATA_TYPE_UPDATED] != null && tab[DATA_TYPE_UPDATED].Type.ToString() == DATA_TYPE_ARRAY) ||
(tab[DATA_TYPE_INSERTED] != null && tab[DATA_TYPE_INSERTED].Type.ToString() == DATA_TYPE_ARRAY);
//事件参数
editArgs.dataWrapper = wrapper;
editArgs.tabIndex = current;
editArgs.tabType = IsGrid ? TabType.Grid : TabType.Form;
editArgs.tabData = tab;
if (IsGrid)
{
foreach (JProperty item in tab.Children())
{
//只处理deleted updated inserted三个节点
if (!handles.ContainsKey(item.Name))
{
continue;
}
//循环每一行数据
foreach (var row in item.Value.Children())
{
//到数据库中取得旧值
wrapper.SetRequestData(row);
var rowOld = BuilderParse(wrapper.ToParamQuery()).QuerySingleDynamic();
//事件参数
editArgs.dataNew = row;
editArgs.dataOld = rowOld ?? new JObject();
editArgs.dataAction = actionTypes[item.Name];
//行编辑前事件
rtnBefore = this.OnBeforeEditPageRow(editArgs);
if (!rtnBefore)
{
return;
}
//数据处理
wrapper.SetRequestData(editArgs.dataNew);
editArgs.executeValue = handles[item.Name](wrapper);
rowsAffected += editArgs.executeValue;
//行编辑后事件
this.OnAfterEditPageRow(editArgs);
}
}
}
else
{
wrapper.SetRequestData(tab);
var changedFieldCount = wrapper.ToParamUpdate().GetData().Columns.Count;
//如果有字段被修改则更新
if (changedFieldCount > 0)//更新主表
{
//到数据库中取得旧值
var formOld = BuilderParse(wrapper.ToParamQuery()).QuerySingleDynamic();
var strAction = (formOld == null) ? DATA_TYPE_INSERTED : DATA_TYPE_UPDATED;
//事件参数
editArgs.dataNew = tab;
editArgs.dataOld = formOld ?? new JObject();
editArgs.dataAction = actionTypes[strAction];
editArgs.dataWrapper = wrapper;
//Form编辑前事件
rtnBefore = this.OnBeforeEditPageRow(editArgs);
if (!rtnBefore)
{
return;
}
//Form数据处理
wrapper.SetRequestData(editArgs.dataNew);
editArgs.executeValue = handles[strAction](wrapper);
rowsAffected += editArgs.executeValue;
//把未修改的数据更新到form新值上
if (editArgs.dataAction == OptType.Mod)
{
EachHelper.EachObjectProperty(editArgs.dataOld as object, (i, name, value) =>
{
if (editArgs.dataNew[name] == null)
{
editArgs.dataNew[name] = JToken.FromObject(value ?? string.Empty);
}
});
}
//Form编辑结束事件
this.OnAfterEditPageRow(editArgs);
}
}
}
//更新全部数据之后事件
editArgs.executeValue = rowsAffected;
this.OnAfterEditPage(editArgs);
//提交事务
if (rowsAffected > 0)
{
db.Commit();
Msg.Set(MsgType.Success, APP.MSG_SAVE_SUCCESS);
}
}
}, e => db.Rollback());
return(rowsAffected);
}
protected virtual bool OnBeforeEditPageRow(EditPageEventArgs arg)
{
return(true);
}