private void Filter_Changed(object newValue)
{
// Update the effective filter. If the filter is provided as content, the content filter will be recreated when needed.
_activeFilter = newValue as IContentFilter;
// Notify the filter to update the view.
FilterHost?.OnFilterChanged();
}
/// <summary>
/// Perform filter initialitazion and raises the FilterInitializing event.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.ComponentModel.CancelEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// When this <i>column filter</i> control is added to the <i>column filters</i> array of the <i>filter manager</i>,
/// the latter calls the <see cref="DgvBaseColumnFilter.Init"/> method which, in turn, calls this method.
/// You can ovverride this method to provide initialization code or you can create an event handler and
/// set the <i>Cancel</i> property of event argument to true, to skip standard initialization.
/// </remarks>
protected override void OnFilterInitializing(object sender, CancelEventArgs e)
{
base.OnFilterInitializing(sender, e);
if (e.Cancel)
{
return;
}
comboBoxOperator.Items.AddRange(new object[] { "[...]", "=", "<>", ">", "<", "<=", ">=", "= Ø", "<> Ø" });
comboBoxOperator.SelectedIndex = 0;
FilterHost.RegisterComboBox(comboBoxOperator);
}
internal void Filter_Changed(object newValue)
{
// Update the effective filter. If the filter is provided as content, the content filter will be recreated when needed.
_filterValues = newValue;
if (FilterHost == null)
{
FilterHost = DataGrid.GetFilter();
}
FilterHost.Filter();
}
private void self_Loaded(object sender, RoutedEventArgs e)
{
if (FilterHost == null)
{
// Find the ancestor column header and data grid controls.
ColumnHeader = this.FindAncestorOrSelf <DataGridColumnHeader>();
if (ColumnHeader == null)
{
throw new InvalidOperationException("DataGridFilterColumnControl must be a child element of a DataGridColumnHeader.");
}
DataGrid = ColumnHeader.FindAncestorOrSelf <DataGrid>();
if (DataGrid == null)
{
throw new InvalidOperationException("DataGridColumnHeader must be a child element of a DataGrid");
}
// Find our host and attach ourself.
FilterHost = DataGrid.GetFilter();
}
FilterHost.AddColumn(this);
DataGrid.SourceUpdated += DataGrid_SourceOrTargetUpdated;
DataGrid.TargetUpdated += DataGrid_SourceOrTargetUpdated;
DataGrid.RowEditEnding += DataGrid_RowEditEnding;
// Must set a non-null empty template here, else we won't get the coerce value callback when the columns attached property is null!
Template = _emptyControlTemplate;
// Bind our IsFilterVisible and Template properties to the corresponding properties attached to the
// DataGridColumnHeader.Column property. Use binding instead of simple assignment since columnHeader.Column is still null at this point.
var isFilterVisiblePropertyPath = new PropertyPath("Column.(0)", DataGridFilterColumn.IsFilterVisibleProperty);
BindingOperations.SetBinding(this, VisibilityProperty, new Binding()
{
Path = isFilterVisiblePropertyPath, Source = ColumnHeader, Mode = BindingMode.OneWay, Converter = _booleanToVisibilityConverter
});
var templatePropertyPath = new PropertyPath("Column.(0)", DataGridFilterColumn.TemplateProperty);
BindingOperations.SetBinding(this, TemplateProperty, new Binding()
{
Path = templatePropertyPath, Source = ColumnHeader, Mode = BindingMode.OneWay
});
var filterPropertyPath = new PropertyPath("Column.(0)", DataGridFilterColumn.FilterProperty);
BindingOperations.SetBinding(this, FilterProperty, new Binding()
{
Path = filterPropertyPath, Source = ColumnHeader, Mode = BindingMode.TwoWay
});
}
/// <summary>
/// Perform filter initialitazion and raises the FilterInitializing event.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.ComponentModel.CancelEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// When this <i>column filter</i> control is added to the <i>column filters</i> array of the <i>filter manager</i>,
/// the latter calls the <see cref="DgvBaseColumnFilter.Init"/> method which, in turn, calls this method.
/// You can ovverride this method to provide initialization code or you can create an event handler and
/// set the <i>Cancel</i> property of event argument to true, to skip standard initialization.
/// </remarks>
protected override void OnFilterInitializing(object sender, CancelEventArgs e)
{
base.OnFilterInitializing(sender, e);
if (e.Cancel)
{
return;
}
comboBoxMonth.SelectedValueChanged += new EventHandler(onFilterChanged);
comboBoxYear.SelectedValueChanged += new EventHandler(onFilterChanged);
comboBoxYear.SelectedIndex = comboBoxYear.Items.Count - 1;
FilterHost.RegisterComboBox(comboBoxMonth);
FilterHost.RegisterComboBox(comboBoxYear);
}
/// <summary>
/// Returns true if the given item matches the filter condition for this column.
/// </summary>
internal bool Matches(object item)
{
if ((Filter == null) || (FilterHost == null))
{
return(true);
}
if (_activeFilter == null)
{
_activeFilter = FilterHost.CreateContentFilter(Filter);
}
return(_activeFilter.IsMatch(GetCellContent(item)));
}
private void Self_Unloaded(object sender, RoutedEventArgs e)
{
if (FilterHost != null)
{
FilterHost.RemoveColumn(this);
}
if (DataGrid != null)
{
DataGrid.SourceUpdated -= DataGrid_SourceOrTargetUpdated;
DataGrid.TargetUpdated -= DataGrid_SourceOrTargetUpdated;
DataGrid.RowEditEnding -= DataGrid_RowEditEnding;
}
//BindingOperations.ClearBinding((DependencyObject)this, UIElement.VisibilityProperty);
BindingOperations.ClearBinding(this, TemplateProperty);
//BindingOperations.ClearBinding((DependencyObject)this, DataGridFilterColumnControl.FilterProperty);
}
private void self_Unloaded(object sender, RoutedEventArgs e)
{
// Detach from host.
// Must check for null, unloaded event might be raised even if no loaded event has been raised before!
FilterHost?.RemoveColumn(this);
if (DataGrid != null)
{
DataGrid.SourceUpdated -= DataGrid_SourceOrTargetUpdated;
DataGrid.TargetUpdated -= DataGrid_SourceOrTargetUpdated;
DataGrid.RowEditEnding -= DataGrid_RowEditEnding;
}
// Clear all bindings generated during load.
BindingOperations.ClearBinding(this, VisibilityProperty);
BindingOperations.ClearBinding(this, TemplateProperty);
BindingOperations.ClearBinding(this, FilterProperty);
}
/// <summary>
/// Perform filter initialitazion and raises the FilterInitializing event.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.ComponentModel.CancelEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// When this <i>column filter</i> control is added to the <i>column filters</i> array of the <i>filter manager</i>,
/// the latter calls the <see cref="DgvBaseColumnFilter.Init"/> method which, in turn, calls this method.
/// You can ovverride this method to provide initialization code or you can create an event handler and
/// set the <i>Cancel</i> property of event argument to true, to skip standard initialization.
/// </remarks>
protected override void OnFilterInitializing(object sender, CancelEventArgs e)
{
base.OnFilterInitializing(sender, e);
if (e.Cancel)
{
return;
}
if (ColumnDataType == typeof(string))
{
comboBoxOperator.Items.AddRange(new object[] { "..xxx..", "xxx..", "..xxx", "=", "<>", "= Ø", "<> Ø" });
}
else
{
comboBoxOperator.Items.AddRange(new object[] { "=", "<>", ">", "<", "<=", ">=", "= Ø", "<> Ø" });
}
comboBoxOperator.SelectedIndex = 0;
FilterHost.RegisterComboBox(comboBoxOperator);
}
private void Self_Unloaded([NotNull] object sender, [NotNull] RoutedEventArgs e)
{
// Detach from host.
// Must check for null, unloaded event might be raised even if no loaded event has been raised before!
FilterHost?.RemoveColumn(this);
var dataGrid = DataGrid;
if (dataGrid != null)
{
dataGrid.SourceUpdated -= DataGrid_SourceOrTargetUpdated;
dataGrid.TargetUpdated -= DataGrid_SourceOrTargetUpdated;
dataGrid.RowEditEnding -= DataGrid_RowEditEnding;
}
// Clear all bindings generated during load.
// ReSharper disable once AssignNullToNotNullAttribute
BindingOperations.ClearBinding(this, VisibilityProperty);
// ReSharper disable once AssignNullToNotNullAttribute
BindingOperations.ClearBinding(this, TemplateProperty);
BindingOperations.ClearBinding(this, FilterProperty);
}
/// <summary>
/// Perform filter initialitazion and raises the FilterInitializing event.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.ComponentModel.CancelEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// When this <i>column filter</i> control is added to the <i>column filters</i> array of the <i>filter manager</i>,
/// the latter calls the <see cref="DgvBaseColumnFilter.Init"/> method which, in turn, calls this method.
/// You can ovverride this method to provide initialization code or you can create an event handler and
/// set the <i>Cancel</i> property of event argument to true, to skip standard initialization.
/// </remarks>
protected override void OnFilterInitializing(object sender, CancelEventArgs e)
{
base.OnFilterInitializing(sender, e);
if (e.Cancel)
{
return;
}
comboBoxOperator.Items.AddRange(new object[] { "=", "<>", "= Ø", "<> Ø" });
comboBoxOperator.SelectedIndex = 0;
if (DataGridViewColumn is DataGridViewComboBoxColumn)
{
comboBoxValue.ValueMember = ((DataGridViewComboBoxColumn)DataGridViewColumn).ValueMember;
comboBoxValue.DisplayMember = ((DataGridViewComboBoxColumn)DataGridViewColumn).DisplayMember;
comboBoxValue.DataSource = ((DataGridViewComboBoxColumn)DataGridViewColumn).DataSource;
}
else
{
comboBoxValue.ValueMember = DataGridViewColumn.DataPropertyName;
comboBoxValue.DisplayMember = DataGridViewColumn.DataPropertyName;
RefreshValues();
}
FilterHost.RegisterComboBox(comboBoxOperator);
FilterHost.RegisterComboBox(comboBoxValue);
}
public int PrepareMarcFilter(
FilterHost host,
string strFilterFileName,
out LoanFilterDocument filter,
out string strError)
{
strError = "";
// 看看是否有现成可用的对象
filter = (LoanFilterDocument)this.Filters.GetFilter(strFilterFileName);
if (filter != null)
{
filter.FilterHost = host;
return 1;
}
// 新创建
// string strFilterFileContent = "";
filter = new LoanFilterDocument();
filter.FilterHost = host;
filter.strOtherDef = "FilterHost Host = null;";
filter.strPreInitial = " LoanFilterDocument doc = (LoanFilterDocument)this.Document;\r\n";
filter.strPreInitial += " Host = ("
+ "FilterHost" + ")doc.FilterHost;\r\n";
// filter.Load(strFilterFileName);
try
{
filter.Load(strFilterFileName);
}
catch (Exception ex)
{
strError = ex.Message;
return -1;
}
string strCode = ""; // c#代码
int nRet = filter.BuildScriptFile(out strCode,
out strError);
if (nRet == -1)
goto ERROR1;
string[] saAddRef1 = {
this.BinDir + "\\digitalplatform.marcdom.dll",
this.BinDir + "\\digitalplatform.marckernel.dll",
this.BinDir + "\\digitalplatform.OPAC.Server.dll",
this.BinDir + "\\digitalplatform.dll",
this.BinDir + "\\digitalplatform.Text.dll",
this.BinDir + "\\digitalplatform.IO.dll",
this.BinDir + "\\digitalplatform.Xml.dll",
this.BinDir + "\\digitalplatform.script.dll",
this.BinDir + "\\digitalplatform.marcquery.dll",
/*strMainCsDllName*/ };
Assembly assembly = null;
string strWarning = "";
string strLibPaths = "";
string[] saRef2 = filter.GetRefs();
string[] saRef = new string[saRef2.Length + saAddRef1.Length];
Array.Copy(saRef2, saRef, saRef2.Length);
Array.Copy(saAddRef1, 0, saRef, saRef2.Length, saAddRef1.Length);
// 创建Script的Assembly
// 本函数内对saRef不再进行宏替换
nRet = ScriptManager.CreateAssembly_1(strCode,
saRef,
strLibPaths,
out assembly,
out strError,
out strWarning);
if (nRet == -2)
goto ERROR1;
if (nRet == -1)
{
if (strWarning == "")
{
goto ERROR1;
}
// MessageBox.Show(this, strWarning);
}
filter.Assembly = assembly;
return 0;
ERROR1:
return -1;
}
// 将种记录数据从XML格式转换为HTML格式
public int ConvertBiblioXmlToHtml(
string strFilterFileName,
string strBiblioXml,
string strRecPath,
out string strBiblio,
out KeyValueCollection result_params,
out string strError)
{
strBiblio = "";
strError = "";
result_params = null;
OpacApplication app = this;
FilterHost host = new FilterHost();
host.RecPath = strRecPath;
host.App = this;
host.ResultParams = new KeyValueCollection();
// 如果必要,转换为MARC格式,调用filter
string strOutMarcSyntax = "";
string strMarc = "";
// 将MARCXML格式的xml记录转换为marc机内格式字符串
// parameters:
// bWarning ==true, 警告后继续转换,不严格对待错误; = false, 非常严格对待错误,遇到错误后不继续转换
// strMarcSyntax 指示marc语法,如果==""，则自动识别
// strOutMarcSyntax out参数，返回marc，如果strMarcSyntax == ""，返回找到marc语法，否则返回与输入参数strMarcSyntax相同的值
int nRet = MarcUtil.Xml2Marc(strBiblioXml,
true,
"", // this.CurMarcSyntax,
out strOutMarcSyntax,
out strMarc,
out strError);
if (nRet == -1)
goto ERROR1;
LoanFilterDocument filter = null;
nRet = app.PrepareMarcFilter(
host,
strFilterFileName,
out filter,
out strError);
if (nRet == -1)
goto ERROR1;
try
{
nRet = filter.DoRecord(null,
strMarc,
0,
out strError);
if (nRet == -1)
goto ERROR1;
strBiblio = host.ResultString;
result_params = host.ResultParams;
}
catch (Exception ex)
{
strError = "filter.DoRecord error: " + ExceptionUtil.GetDebugText(ex);
return -1;
}
finally
{
// 归还对象
app.Filters.SetFilter(strFilterFileName, filter);
}
return 0;
ERROR1:
return -1;
}
public int PrepareMarcFilter(
FilterHost host,
string strFilterFileName,
out LoanFilterDocument filter,
out string strError)
{
strError = "";
// 看看是否有现成可用的对象
filter = (LoanFilterDocument)this.Filters.GetFilter(strFilterFileName);
if (filter != null)
{
filter.FilterHost = host;
return 1;
}
// 新创建
filter = new LoanFilterDocument();
filter.FilterHost = host;
filter.strOtherDef = "FilterHost Host = null;";
filter.strPreInitial = " LoanFilterDocument doc = (LoanFilterDocument)this.Document;\r\n";
filter.strPreInitial += " Host = ("
+ "FilterHost" + ")doc.FilterHost;\r\n";
try
{
filter.Load(strFilterFileName);
}
catch (Exception ex)
{
strError = ExceptionUtil.GetAutoText(ex);
return -1;
}
string strCode = ""; // c#代码
int nRet = filter.BuildScriptFile(out strCode,
out strError);
if (nRet == -1)
return -1;
try
{
string[] saRef2 = filter.GetRefs();
filter.Assembly = this.AssemblyCache.GetObject(strFilterFileName,
() =>
{
string[] saAddRef1 = {
this.BinDir + "\\digitalplatform.marcdom.dll",
this.BinDir + "\\digitalplatform.marckernel.dll",
this.BinDir + "\\digitalplatform.OPAC.Server.dll",
this.BinDir + "\\digitalplatform.dll",
this.BinDir + "\\digitalplatform.Text.dll",
this.BinDir + "\\digitalplatform.IO.dll",
this.BinDir + "\\digitalplatform.Xml.dll",
this.BinDir + "\\digitalplatform.script.dll",
this.BinDir + "\\digitalplatform.marcquery.dll",
};
string strError1 = "";
string strWarning = "";
// string strLibPaths = "";
string[] saRef = StringUtil.Append(saRef2, saAddRef1);
#if NO
string[] saRef = new string[saRef2.Length + saAddRef1.Length];
Array.Copy(saRef2, saRef, saRef2.Length);
Array.Copy(saAddRef1, 0, saRef, saRef2.Length, saAddRef1.Length);
#endif
Assembly assembly1 = null;
// 创建Script的Assembly
// 本函数内对saRef不再进行宏替换
nRet = ScriptManager.CreateAssembly_1(strCode,
saRef,
"", // strLibPaths,
out assembly1,
out strError1,
out strWarning);
if (nRet == -2)
throw new Exception(strError1);
if (nRet == -1)
{
if (string.IsNullOrEmpty(strWarning) == true)
throw new Exception(strError1);
}
return assembly1;
});
}
catch (Exception ex)
{
strError = ex.Message;
return -1;
}
return 0;
}
// 创建MARC格式记录的浏览格式
// paramters:
// strMARC MARC机内格式
public int BuildMarcBrowseText(
string strSytaxOID,
string strMARC,
out string strBrowseText,
out string strError)
{
strBrowseText = "";
strError = "";
FilterHost host = new FilterHost();
host.ID = "";
host.MainForm = this.MainForm;
BrowseFilterDocument filter = null;
string strFilterFileName = this.MainForm.DataDir + "\\" + strSytaxOID.Replace(".", "_") + "\\marc_browse.fltx";
int nRet = this.PrepareMarcFilter(
host,
strFilterFileName,
out filter,
out strError);
if (nRet == -1)
goto ERROR1;
try
{
nRet = filter.DoRecord(null,
strMARC,
0,
out strError);
if (nRet == -1)
goto ERROR1;
strBrowseText = host.ResultString;
}
finally
{
// 归还对象
filter.FilterHost = null; // 2016/1/23
this.Filters.SetFilter(strFilterFileName, filter);
}
return 0;
ERROR1:
// 不让缓存，因为可能出现了编译错误
// TODO: 精确区分编译错误
this.Filters.ClearFilter(strFilterFileName);
return -1;
}
private void DataGridFilterColumnControl_Loaded(object sender, System.Windows.RoutedEventArgs e)
{
if (FilterHost == null)
{
// Find the ancestor column header and data grid controls.
ColumnHeader = this.FindColumnHeader <DataGridColumnHeader>();
if (ColumnHeader == null)
{
throw new InvalidOperationException("DataGridFilterColumnControl must be a child element of a DataGridColumnHeader.");
}
DataGrid = ColumnHeader.FindColumnHeader <DataGrid>();
if (DataGrid == null)
{
throw new InvalidOperationException("DataGridColumnHeader must be a child element of a DataGrid");
}
// Find our host and attach ourself.
FilterHost = DataGrid.GetFilter();
}
Template = _emptyControlTemplate;
var isFilterVisiblePropertyPath = new PropertyPath("Column.(0)", DataGridFilterColumn.IsFilterVisibleProperty);
BindingOperations.SetBinding(this, VisibilityProperty, new Binding()
{
Path = isFilterVisiblePropertyPath, Source = ColumnHeader, Mode = BindingMode.OneWay, Converter = _booleanToVisibilityConverter
});
var templatePropertyPath = new PropertyPath("Column.(0)", DataGridFilterColumn.TemplateProperty);
BindingOperations.SetBinding(this, TemplateProperty, new Binding()
{
Path = templatePropertyPath, Source = ColumnHeader, Mode = BindingMode.OneWay
});
var filterPropertyPath = new PropertyPath("Column.(0)", DataGridFilterColumn.FilterProperty);
BindingOperations.SetBinding(this, FilterProperty, new Binding()
{
Path = filterPropertyPath, Source = ColumnHeader, Mode = BindingMode.TwoWay
});
//1.获取datagridcolumnheader中Column是什么类型
//2.根据不同的类型修改自己的样式
//ColumnHeader = this.FindColumnHeader<DataGridColumnHeader>();
//if (ColumnHeader == null)
// throw new Exception();
var template = ColumnHeader.Column.GetType();
if (template == typeof(DataGridCheckBoxColumn))
{
var tem = this.FindResource("DataGridCheckBoxColumn") as ControlTemplate;
var count = VisualTreeHelper.GetChildrenCount(new CheckBox());
// CheckBox c = VisualTreeHelper.GetChild(new CheckBox()) as CheckBox;
// CheckBox c = tem.c("_chebox_",new Grid()) as CheckBox;
// BindingOperations.SetBinding(c, CheckBox.IsCheckedProperty, new Binding(nameof(FilterValues)) { Source = this });
this.Template = tem;
this.Visibility = FilterHost._isFilteringVisibility ? Visibility.Visible : Visibility.Hidden;
}
else
{
this.Template = this.FindResource("DataGridTextColumn") as ControlTemplate;
this.Visibility = FilterHost._isFilteringVisibility ? Visibility.Visible : Visibility.Hidden;
}
FilterHost.AddColumn(this);
}