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- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Linq;
- using System.Linq.Expressions;
- using System.Windows;
- using System.Windows.Controls;
- using System.Windows.Media;
- using System.Windows.Media.Imaging;
- using FastReport.Editor;
- using InABox.Core;
- using Selection = InABox.Core.Selection;
- namespace InABox.DynamicGrid
- {
- public abstract class BaseDynamicGrid : ContentControl
- {
- public static readonly DependencyProperty UseWaitCursorProperty =
- DependencyProperty.Register(nameof(UseWaitCursor), typeof(bool), typeof(BaseDynamicGrid));
- protected enum ClipAction
- {
- Cut,
- Copy
- }
- public BaseDynamicGrid()
- {
- UseWaitCursor = true;
- }
- public bool UseWaitCursor
- {
- get => (bool)GetValue(UseWaitCursorProperty);
- set => SetValue(UseWaitCursorProperty, value);
- }
-
- public static Brush SelectionBackground { get; set; }
- public static Brush SelectionForeground { get; set; }
- public static Brush FilterBackground { get; set; }
- static BaseDynamicGrid()
- {
- SelectionForeground = new SolidColorBrush(Colors.Black);
- SelectionBackground = new SolidColorBrush(Colors.Silver);
- FilterBackground = new SolidColorBrush(Color.FromArgb(0xFF, 0xE9, 0xF7, 0xC9));
- }
- }
- public abstract class BaseDynamicGrid<T> : BaseDynamicGrid, IDynamicGrid where T : BaseObject, new()
- {
- public delegate void ValidateEvent(object sender, T[] items, List<string> errors);
-
- public event OnPrintData? OnPrintData;
-
- public event BeforeRefreshEventHandler? BeforeRefresh;
- protected void NotifyBeforeRefresh(BeforeRefreshEventArgs args) => BeforeRefresh?.Invoke(this, args);
- protected abstract bool OnBeforeRefresh();
-
- public event AfterRefreshEventHandler? AfterRefresh;
- protected void NotifyAfterRefresh(AfterRefreshEventArgs args) => AfterRefresh?.Invoke(this, args);
- protected abstract void OnAfterRefresh();
-
- public abstract event EntitySaveEvent? OnAfterSave;
- public abstract event EntitySaveEvent? OnBeforeSave;
- public event OnDefineFilter? OnDefineFilter;
- public abstract event OnFilterRecord? OnFilterRecord;
- public event OnCreateItem? OnCreateItem;
- public abstract event OnCustomiseEditor<T>? OnCustomiseEditor;
- public virtual event OnCustomiseColumns? OnCustomiseColumns;
- public abstract event OnDoubleClick? OnDoubleClick;
- public OnGetDynamicGridRowStyle? OnGetRowStyle { get; set; }
-
- public ValidateEvent? OnValidate;
-
- protected DynamicGridRowStyleSelector<T> RowStyleSelector;
-
- public BaseDynamicGrid()
- {
- Options = new FluentList<DynamicGridOption>();
- Options.OnChanged += OptionsChanged;
-
- RowStyleSelector = GetRowStyleSelector();
- RowStyleSelector.GetStyle += (row, style) => GetRowStyle(row, style);
-
- HiddenColumns = new List<Expression<Func<T, object?>>>();
- }
- public List<Expression<Func<T, object?>>> HiddenColumns { get; }
- public void InitialiseEditorForm(IDynamicEditorForm editor, object[] items, Func<Type, CoreTable>? pageDataHandler = null, bool preloadPages = false)
- {
- InitialiseEditorForm(editor, items.Cast<T>().ToArray(), pageDataHandler, preloadPages);
- }
- public virtual bool EditItems(object[] items, Func<Type, CoreTable>? PageDataHandler = null, bool PreloadPages = false)
- {
- var values = items.Select(x => (T)x).ToArray();
- return EditItems(values, PageDataHandler, PreloadPages);
- }
- //public abstract bool DirectEdit(CoreTable data);
- public FluentList<DynamicGridOption> Options { get; }
- public DynamicGridColumns MasterColumns { get; protected set; }
- public DynamicGridColumns VisibleColumns { get; protected set; }
- public CoreTable Data { get; set; }
- public virtual void ConfigureColumns(DynamicGridColumns columns)
- {
- OnCustomiseColumns?.Invoke(this, columns);
- }
- public abstract CoreRow[] SelectedRows { get; set; }
- public abstract void AddVisualFilter(string column, string value);
- public abstract Button AddButton(string caption, BitmapImage? image, string? tooltip, Func<Button, CoreRow[], bool> action,
- DynamicGridButtonPosition position = DynamicGridButtonPosition.Left);
-
- public virtual double RowHeight { get; set; }
- public virtual double HeaderHeight { get; set; }
- public new virtual double FontSize { get; set; }
- public void AddHiddenColumn(string column)
- {
- var expression = CoreUtils.CreateLambdaExpression<T>(column);
- HiddenColumns.Add(expression);
- }
- public abstract int DesiredWidth();
- public abstract void Refresh(bool reloadcolumns, bool reloaddata);
- public abstract void UpdateRow<TType>(CoreRow row, string column, TType value, bool refresh = true);
- public abstract void UpdateRow<T, TType>(CoreRow row, Expression<Func<T, TType>> column, TType value, bool refresh = true);
-
- protected abstract DynamicGridRowStyleSelector<T> GetRowStyleSelector();
- protected virtual DynamicGridStyle GetRowStyle(CoreRow row, DynamicGridStyle style)
- {
- return OnGetRowStyle != null ? OnGetRowStyle(row, style) : style;
- }
-
- public abstract void InitialiseEditorForm(IDynamicEditorForm editor, T[] items, Func<Type, CoreTable>? pageDataHandler = null, bool preloadPages = false);
- public abstract bool EditItems(T[] items, Func<Type, CoreTable>? PageDataHandler = null, bool PreloadPages = false);
- public Filter<T>? DefineFilter()
- {
- if (OnDefineFilter is null)
- return null;
- var result = OnDefineFilter.Invoke(typeof(T)) as Filter<T>;
- return result;
- }
- protected virtual T CreateItem()
- {
- var result = new T();
- OnCreateItem?.Invoke(this, result);
- return result;
- }
- protected virtual void DoPrint(object sender)
- {
- OnPrintData?.Invoke(sender);
- }
- protected abstract void OptionsChanged(object sender, EventArgs args);
-
- public IEnumerable<TType> ExtractValues<TType>(Expression<Func<T, TType>> column, Selection selection)
- {
- var result = selection == Selection.None
- ? new TType[] { }
- : selection == Selection.Selected
- ? SelectedRows.Select(r => r.Get(column)).ToArray()
- : Data.ExtractValues(column);
- return result;
- }
- }
- }
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