private void ParentTree_SelectedItemChanged(object sender, RoutedPropertyChangedEventArgs <object> e)
{
if (ParentTree.SelectedItem != null)
{
Frame.ShowLoading();
TreeViewItem item = (TreeViewItem)ParentTree.SelectedItem;
if (item.Tag == null)
{
Thread thread = new Thread(() =>
{
ViewModel.Items.Clear();
foreach (var key in ViewModel.EntityContext.GetKeys())
{
ViewModel.Items.Add(key);
}
ViewModel.UpdateSource();
Dispatcher.Invoke(new Action(() => Frame.HideLoading()));
});
thread.Start();
}
else
{
Guid[] parents = (Guid[])item.Tag;
Thread thread = new Thread(() =>
{
ViewModel.Items.Clear();
foreach (var key in ViewModel.EntityContext.InParent(parents))
{
ViewModel.Items.Add(key);
}
ViewModel.UpdateSource();
Dispatcher.Invoke(new Action(() => Frame.HideLoading()));
});
thread.Start();
}
}
}
private void Initialize(EntityViewerViewModel <TEntity> viewModel)
{
if (viewModel == null)
{
throw new ArgumentNullException("viewModel");
}
ViewModel = viewModel;
viewModel.PropertyChanged += viewModel_PropertyChanged;
viewModel.PageSize = 30;
if (ViewModel.Items.Count == 0 && ViewModel.ParentModels == null)
{
viewModel.ParentModels = EntityParentSelectorViewModel.CreateModel <TEntity>(BussinessApplication.Current.ContextBuilder);
}
Grid grid = new Grid();
grid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(100, GridUnitType.Star)
});
grid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(100, GridUnitType.Pixel)
});
if (viewModel.ParentModels != null && viewModel.ParentModels.Length != 0)
{
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(200, GridUnitType.Pixel)
});
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
ParentTree = new TreeView();
ParentTree.BorderThickness = new Thickness();
TreeViewItem item = new TreeViewItem();
item.Header = "全部";
item.IsExpanded = true;
item.ItemsSource = GetParentItems(viewModel.ParentModels);
ParentTree.Items.Add(item);
ParentTree.SelectedItemChanged += ParentTree_SelectedItemChanged;
item.Margin = new Thickness(0, 0, 8, 0);
grid.Children.Add(ParentTree);
GridSplitter splitter = new GridSplitter();
splitter.Width = 8;
splitter.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
grid.Children.Add(splitter);
}
#region 列表显示
ListView dataGrid = new ListView();
dataGrid.MouseDoubleClick += dataGrid_MouseDoubleClick;
dataGrid.BorderThickness = new Thickness();
if (viewModel.ParentModels != null && viewModel.ParentModels.Length != 0)
{
Grid.SetColumn(dataGrid, 1);
}
dataGrid.SelectionMode = SelectionMode.Extended;
GridView view = new GridView();
view.AllowsColumnReorder = false;
var entityType = typeof(TEntity);
var viewBuilder = viewModel.ViewBuilder;
var visableProperties = viewBuilder.VisableProperties;
var hideProperties = viewBuilder.HideProperties;
PropertyInfo[] properties;
if (hideProperties == null)
{
properties = visableProperties.Select(v => entityType.GetProperty(v)).Where(t => t != null).ToArray();
}
else
{
properties = visableProperties.Except(hideProperties).Select(v => entityType.GetProperty(v)).Where(t => t != null).ToArray();
}
foreach (var property in properties)
{
GridViewColumn column = new GridViewColumn();
var display = property.GetCustomAttributes(typeof(DisplayAttribute), false).FirstOrDefault() as DisplayAttribute;
if (display == null)
{
column.Header = property.Name;
}
else
{
column.Header = new Label {
Content = display.Name, ToolTip = display.Description
}
};
DataTemplate dt = new DataTemplate();
FrameworkElementFactory fef = new FrameworkElementFactory(typeof(Label));
Binding binding = new Binding();
binding.Path = new PropertyPath(property.Name);
fef.SetBinding(Label.ContentProperty, binding);
dt.VisualTree = fef;
column.CellTemplate = dt;
view.Columns.Add(column);
}
dataGrid.View = view;
viewModel.UpdateSource();
dataGrid.DataContext = viewModel;
dataGrid.SetBinding(DataGrid.ItemsSourceProperty, new Binding("ItemsSource"));
grid.Children.Add(dataGrid);
#endregion
#region 钮显示
AppButtonPanel = new AppButtonPanel();
Grid.SetRow(AppButtonPanel, 1);
if (viewModel.ParentModels != null && viewModel.ParentModels.Length != 0)
{
Grid.SetColumnSpan(AppButtonPanel, 2);
}
grid.Children.Add(AppButtonPanel);
AppButton back = new AppButton(new CustomCommand(null, Back));
back.Text = "返回";
back.Image = (Canvas)Resources["appbar_arrow_left"];
AppButtonPanel.Items.Add(back);
AppButton previousPage = new AppButton(new CustomCommand(CanPreviousPage, PreviousPage));
previousPage.Text = "上一页";
previousPage.Image = (Canvas)Resources["appbar_navigate_previous"];
AppButtonPanel.Items.Add(previousPage);
AppButton nextPage = new AppButton(new CustomCommand(CanNextPage, NextPage));
nextPage.Text = "下一页";
nextPage.Image = (Canvas)Resources["appbar_navigate_next"];
AppButtonPanel.Items.Add(nextPage);
AppButton ok = new AppItemButton(dataGrid, OK);
ok.Text = "选择";
ok.Image = (Canvas)Resources["appbar_check"];
AppButtonPanel.Items.Add(ok);
#endregion
Content = grid;
Loaded += Viewer_Loaded;
}
private void Initialize(EntityViewerViewModel <TEntity> viewModel)
{
if (viewModel == null)
{
throw new ArgumentNullException("viewModel");
}
Buttons = new System.Collections.ObjectModel.ObservableCollection <AppButton>();
Buttons.CollectionChanged += Buttons_CollectionChanged;
//Resources.MergedDictionaries.Add(new ResourceDictionary { Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/Colours.xaml") });
//Resources.MergedDictionaries.Add(new ResourceDictionary { Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml") });
//Resources.MergedDictionaries.Add(new ResourceDictionary { Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml") });
//Resources.MergedDictionaries.Add(new ResourceDictionary { Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/Accents/Blue.xaml") });
//Resources.MergedDictionaries.Add(new ResourceDictionary { Source = new Uri("pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseLight.xaml") });
//Resources.MergedDictionaries.Add(new ResourceDictionary { Source = new Uri("pack://application:,,,/Wodsoft.ComBoost.Business.Remote;component/Resources/Icons.xaml") });
ViewModel = viewModel;
viewModel.PropertyChanged += viewModel_PropertyChanged;
viewModel.PageSize = 30;
if (viewModel.AutoGenerateData && ViewModel.Items.Count == 0 && ViewModel.ParentModels == null)
{
viewModel.ParentModels = EntityParentSelectorViewModel.CreateModel <TEntity>(BussinessApplication.Current.ContextBuilder);
}
Grid grid = new Grid();
grid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(100, GridUnitType.Star)
});
grid.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(100, GridUnitType.Pixel)
});
if (viewModel.ParentModels != null && viewModel.ParentModels.Length != 0)
{
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(200, GridUnitType.Pixel)
});
grid.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(1, GridUnitType.Star)
});
ParentTree = new TreeView();
ParentTree.BorderThickness = new Thickness();
TreeViewItem item = new TreeViewItem();
item.Header = "全部";
item.IsExpanded = true;
item.ItemsSource = GetParentItems(viewModel.ParentModels);
ParentTree.Items.Add(item);
ParentTree.SelectedItemChanged += ParentTree_SelectedItemChanged;
item.Margin = new Thickness(0, 0, 8, 0);
grid.Children.Add(ParentTree);
GridSplitter splitter = new GridSplitter();
splitter.Width = 8;
splitter.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
grid.Children.Add(splitter);
}
#region 列表显示
View = new ListView();
View.BorderThickness = new Thickness();
if (viewModel.ParentModels != null && viewModel.ParentModels.Length != 0)
{
Grid.SetColumn(View, 1);
}
View.SelectionMode = SelectionMode.Single;
GridView view = new GridView();
view.AllowsColumnReorder = false;
var entityType = typeof(TEntity);
var viewBuilder = viewModel.ViewBuilder;
var visableProperties = viewBuilder.VisableProperties;
var hideProperties = viewBuilder.HideProperties;
PropertyInfo[] properties;
if (hideProperties == null)
{
properties = visableProperties.Select(v => entityType.GetProperty(v)).Where(t => t != null).ToArray();
}
else
{
properties = visableProperties.Except(hideProperties).Select(v => entityType.GetProperty(v)).Where(t => t != null).ToArray();
}
foreach (var property in properties)
{
GridViewColumn column = new GridViewColumn();
var display = property.GetCustomAttributes(typeof(DisplayAttribute), false).FirstOrDefault() as DisplayAttribute;
if (display == null)
{
column.Header = property.Name;
}
else
{
column.Header = new Label {
Content = display.Name, ToolTip = display.Description
}
};
DataTemplate dt = new DataTemplate();
FrameworkElementFactory fef = new FrameworkElementFactory(typeof(Label));
Binding binding = new Binding();
binding.Path = new PropertyPath(property.Name);
fef.SetBinding(Label.ContentProperty, binding);
dt.VisualTree = fef;
column.CellTemplate = dt;
view.Columns.Add(column);
}
View.View = view;
viewModel.UpdateSource();
View.DataContext = viewModel;
View.SetBinding(DataGrid.ItemsSourceProperty, new Binding("ItemsSource"));
grid.Children.Add(View);
#endregion
#region 钮显示
AppButtonPanel = new AppButtonPanel();
Grid.SetRow(AppButtonPanel, 1);
if (viewModel.ParentModels != null && viewModel.ParentModels.Length != 0)
{
Grid.SetColumnSpan(AppButtonPanel, 2);
}
grid.Children.Add(AppButtonPanel);
AppButton back = new AppButton(new CustomCommand(null, Back));
back.Text = "返回";
back.Image = (Canvas)Resources["appbar_arrow_left"];
AppButtonPanel.Items.Add(back);
//AppButton firstPage = new AppButton(new CustomCommand(CanFirstPage, FirstPage));
//firstPage.Text = "第一页";
//firstPage.Image = (Canvas)Application.Current.Resources["appbar_navigate_previous"];
//AppButtonPanel.Items.Add(firstPage);
AppButton previousPage = new AppButton(new CustomCommand(CanPreviousPage, PreviousPage));
previousPage.Text = "上一页";
previousPage.Image = (Canvas)Resources["appbar_navigate_previous"];
AppButtonPanel.Items.Add(previousPage);
AppButton nextPage = new AppButton(new CustomCommand(CanNextPage, NextPage));
nextPage.Text = "下一页";
nextPage.Image = (Canvas)Resources["appbar_navigate_next"];
AppButtonPanel.Items.Add(nextPage);
if (viewModel.ViewBuilder.AllowedAdd)
{
AppButton add = new AppButton(new CustomCommand(CanAdd, Add));
add.Text = "新增";
add.Image = (Canvas)Resources["appbar_add"];
AppButtonPanel.Items.Add(add);
}
if (viewModel.ViewBuilder.AllowedRemove)
{
AppButton remove = new AppItemButton(View, CanRemove, Remove);
remove.Text = "删除";
remove.Image = (Canvas)Resources["appbar_delete"];
AppButtonPanel.Items.Add(remove);
}
if (viewModel.ViewBuilder.AllowedEdit)
{
AppButton edit = new AppItemButton(View, CanEdit, Edit);
edit.Text = "编辑";
edit.Image = (Canvas)Resources["appbar_edit"];
AppButtonPanel.Items.Add(edit);
}
#endregion
Content = grid;
Loaded += Viewer_Loaded;
}