ListBoxItemExt GenerateListBoxItemExt(ExtType type, GridColumn colConfig)
{
ListBoxItemExt item = null;
switch (type)
{
case ExtType.Add:
item = new ListBoxItemExt(ExtType.Add);
break;
case ExtType.Remove:
item = new ListBoxItemExt(ExtType.Remove);
break;
}
var column = GetColumnByName(colConfig.Name);
item.Content = column != null ? column.Header : null;
if (!colConfig.IsHided)
{
item.RemoveItem += new EventHandler(item_RemoveItem);
item.DataContext = item;
item.ColWidth = colConfig.Width.Value;
}
else
{
item.AddItem += new EventHandler(item_AddItem);
item.ColWidth = column.ActualWidth;
}
item.Name = string.Format(this.m_listBoxItemName_Prefix, colConfig.Name);
return(item);
}
void item_RemoveItem(object sender, EventArgs e)
{
var item = sender as ListBoxItemExt;
var availableSource = m_availableColumnsListBox.ItemsSource as ObservableCollection <ListBoxItemExt>;
var selectedSource = m_selectedColumnsListBox.ItemsSource as ObservableCollection <ListBoxItemExt>;
selectedSource.Remove(item);
var newItem = new ListBoxItemExt(ExtType.Add);
newItem.Content = item.Content;
newItem.ColWidth = item.ColWidth;
newItem.Name = item.Name;
newItem.AddItem += new EventHandler(item_AddItem);
availableSource.Add(newItem);
m_lstSelectedColumns_SelectionChanged(null, null);
}
void GenerateLeftListBoxItem()
{
this.m_availableColumns.Clear();
this.m_selectedColumns.Clear();
foreach (var col in this.OwningGrid.Columns)
{
if (col.Header == null)
{
continue;
}
var colName = col.GetColumnName();
ListBoxItemExt item = new ListBoxItemExt(ExtType.Add);
item.Name = string.Format(this.m_listBoxItemName_Prefix, colName);
item.AddItem += new EventHandler(item_AddItem);
item.ColWidth = col.ActualWidth;
item.Content = col.Header;
m_availableColumns.Add(item);
}
}
internal void InitGridSettings()
{
if (this.OwningGrid.GridSettings != null && this.OwningGrid.GridSettings.Count > 0)
{
var config = this.OwningGrid.GridSettings.FirstOrDefault(p => p.Name == RESET_NAME);
if (config != null)
{
this.OwningGrid.GridSettings.Remove(config);
}
GridSetting currentSetting = null;
this.m_comboSettings.Items.Clear();
this.OwningGrid.GridSettings.ForEach(p =>
{
ComboBoxItem item = new ComboBoxItem {
Content = p.Name
};
if (p.IsDefault)
{
item.IsSelected = true;
currentSetting = p;
item.Content = Default_Prefix + p.Name;
this.m_txtName.Text = p.Name;
}
this.m_comboSettings.Items.Add(item);
});
//如果数据库中没有Default的配置，则取第一个（此种情况会在Delete default config后出现）
if (currentSetting == null)
{
this.m_comboSettings.SelectedIndex = 0;
this.m_txtName.Text = this.OwningGrid.GridSettings[0].Name;
currentSetting = this.OwningGrid.GridSettings[0];
}
this.CurrentGridConfig = currentSetting;
this.m_chkDefault.IsChecked = currentSetting.IsDefault;
var re = this.m_cmbPageSize.Items.FirstOrDefault(p =>
{
return((p as ComboBoxItem).Content.ToString() == currentSetting.PageSize.ToString());
});
var index = this.m_cmbPageSize.Items.IndexOf(re);
this.m_cmbPageSize.SelectedIndex = index;
this.m_availableColumns.Clear();
this.m_selectedColumns.Clear();
//Edit by Hax 20100203
this.OwningGrid.m_resetGridConfig.Columns.ForEach(p =>
{
var colConfig = this.CurrentGridConfig.Columns.FirstOrDefault(q => q.Name == p.Name);
if (colConfig != null)
{
if (!colConfig.IsHided)
{
var item = GenerateListBoxItemExt(ExtType.Remove, colConfig);
item.ColIndex = colConfig.Index;
this.m_selectedColumns.Add(item);
}
else
{
var item = GenerateListBoxItemExt(ExtType.Add, colConfig);
this.m_availableColumns.Add(item);
}
}
else
{
var item = new ListBoxItemExt(ExtType.Add);
item.AddItem += new EventHandler(item_AddItem);
item.Name = string.Format(this.m_listBoxItemName_Prefix, p.Name);
var column = GetColumnByName(p.Name);
if (column != null && column.Header != null)
{
item.ColWidth = column.ActualWidth;
item.Content = column.Header;
this.m_availableColumns.Add(item);
}
}
});
var list = m_selectedColumns.ToList();
list.Sort((x, y) =>
{
if (x.ColIndex > y.ColIndex)
{
return(1);
}
else if (x.ColIndex == y.ColIndex)
{
return(0);
}
else
{
return(-1);
}
});
m_selectedColumns.Clear();
list.ForEach(p => m_selectedColumns.Add(p));
/*
* Comment by Hax--20100203
* 为了避免以后开发人员增加或删除xaml中DataGrid的Column,造成新增加的Column在AvailableColumn中显示不出来
* 修改为根据DataGrid的ResetColumns(开发时设置的Column)来产生AvailableColumn和SelectedItem，而不是根据CurrentGridConfig来生成
*/
//this.CurrentGridConfig.Columns.ForEach(p =>
//{
// var column = GetColumnByName(p.Name);
// if (column != null)
// {
// if (!p.IsHided)
// {
// var item = GenerateListBoxItemExt(ExtType.Remove, p);
// this.m_selectedColumns.Add(item);
// }
// else
// {
// var item = GenerateListBoxItemExt(ExtType.Add, p);
// this.m_availableColumns.Add(item);
// }
// }
//});
}
else
{
GenerateLeftListBoxItem();
//GenerateDefaultConfig();
}
this.m_availableColumnsListBox.ItemsSource = this.m_availableColumns;
this.m_selectedColumnsListBox.ItemsSource = this.m_selectedColumns;
}
