AyCode.Blazor/AyCode.Blazor.Components/Components/Grids/MgGridInfoPanel.razor

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@using DevExpress.Blazor
@using Microsoft.AspNetCore.Components.Rendering
@using System.Reflection
<div @ref="_panelElement" class="mg-grid-info-panel @(_isEditMode ? "edit-mode" : "") @GetColumnCountClass()">
@* Header *@
@if (HeaderTemplate != null)
{
@HeaderTemplate(CreateContext())
}
else if (_currentGrid != null)
{
<div class="mg-info-panel-header">@_currentGrid.Caption</div>
}
@* Toolbar *@
@if (_currentGrid != null)
{
<div class="mg-info-panel-toolbar">
<MgGridToolbarTemplate Grid="_currentGrid" OnlyGridEditTools="true" ShowOnlyIcon="true" />
</div>
}
@* Content *@
<div class="mg-info-panel-content">
@if (GetActiveDataItem() != null && _currentGrid != null)
{
@if (BeforeColumnsTemplate != null)
{
@BeforeColumnsTemplate(CreateContext())
}
@if (ColumnsTemplate != null)
{
@ColumnsTemplate(CreateContext())
}
else
{
@RenderDefaultColumns()
}
@if (AfterColumnsTemplate != null)
{
@AfterColumnsTemplate(CreateContext())
}
}
else
{
<div class="mg-info-panel-empty">
<p>Válasszon ki egy sort az adatok megtekintéséhez</p>
</div>
}
</div>
@* Footer *@
@if (FooterTemplate != null)
{
@FooterTemplate(CreateContext())
}
</div>
@code {
[Parameter] public RenderFragment<InfoPanelContext>? HeaderTemplate { get; set; }
[Parameter] public RenderFragment<InfoPanelContext>? BeforeColumnsTemplate { get; set; }
[Parameter] public RenderFragment<InfoPanelContext>? ColumnsTemplate { get; set; }
[Parameter] public RenderFragment<InfoPanelContext>? AfterColumnsTemplate { get; set; }
[Parameter] public RenderFragment<InfoPanelContext>? FooterTemplate { get; set; }
/// <summary>
/// Called when the data item changes (row selection changed)
/// </summary>
[Parameter] public EventCallback<object?> OnDataItemChanged { get; set; }
private InfoPanelContext CreateContext() => new(GetActiveDataItem(), _isEditMode);
private string GetColumnCountClass() => FixedColumnCount switch
{
1 => "mg-columns-1",
2 => "mg-columns-2",
3 => "mg-columns-3",
4 => "mg-columns-4",
_ => ""
};
private RenderFragment RenderDefaultColumns() => builder =>
{
var dataItem = GetActiveDataItem();
if (dataItem == null) return;
var dataItemType = dataItem.GetType();
var seq = 0;
builder.OpenElement(seq++, "div");
builder.AddAttribute(seq++, "class", "mg-info-panel-grid");
foreach (var column in GetVisibleColumns())
{
var displayText = GetDisplayTextFromGrid(column);
var value = GetCellValue(column);
var settingsType = GetEditSettingsType(column);
var isEditable = _isEditMode && !column.ReadOnly;
builder.OpenElement(seq++, "div");
builder.AddAttribute(seq++, "class", "mg-info-panel-item");
builder.OpenElement(seq++, "label");
builder.AddAttribute(seq++, "class", isEditable ? "mg-info-panel-label editable" : "mg-info-panel-label");
builder.AddContent(seq++, GetColumnCaption(column));
builder.CloseElement();
builder.OpenElement(seq++, "div");
if (isEditable)
{
RenderEditableCell(column, dataItem, dataItemType, value, displayText, settingsType)(builder);
}
else
{
RenderCellContent(value, displayText)(builder);
}
builder.CloseElement();
builder.CloseElement();
}
builder.CloseElement();
};
private static string GetColumnCaption(DxGridDataColumn column) =>
!string.IsNullOrWhiteSpace(column.Caption) ? column.Caption : column.FieldName;
private RenderFragment RenderEditableCell(DxGridDataColumn column, object dataItem, Type dataItemType, object? value, string displayText, EditSettingsType settingsType)
{
return builder =>
{
var seq = 0;
var propertyInfo = dataItemType.GetProperty(column.FieldName);
if (propertyInfo == null)
{
RenderCellContent(value, displayText)(builder);
return;
}
var underlyingType = Nullable.GetUnderlyingType(propertyInfo.PropertyType) ?? propertyInfo.PropertyType;
if (settingsType == EditSettingsType.ComboBox && GetEditSettingsCached(dataItemType, column.FieldName) is DxComboBoxSettings comboSettings)
{
RenderComboBoxEditor(builder, ref seq, dataItem, propertyInfo, comboSettings);
return;
}
if (underlyingType == typeof(bool)) RenderCheckBoxEditor(builder, ref seq, dataItem, propertyInfo);
else if (underlyingType == typeof(DateTime)) RenderDateTimeEditor(builder, ref seq, dataItem, propertyInfo, column.DisplayFormat);
else if (underlyingType == typeof(DateOnly)) RenderDateOnlyEditor(builder, ref seq, dataItem, propertyInfo, column.DisplayFormat);
else if (underlyingType == typeof(int)) RenderSpinIntEditor(builder, ref seq, dataItem, propertyInfo);
else if (underlyingType == typeof(decimal)) RenderSpinDecimalEditor(builder, ref seq, dataItem, propertyInfo);
else if (underlyingType == typeof(double)) RenderSpinDoubleEditor(builder, ref seq, dataItem, propertyInfo);
else if (settingsType == EditSettingsType.Memo) RenderMemoEditor(builder, ref seq, dataItem, propertyInfo);
else RenderTextBoxEditor(builder, ref seq, dataItem, propertyInfo);
};
}
private void RenderCheckBoxEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo)
{
builder.OpenComponent<DxCheckBox<bool>>(seq++);
builder.AddAttribute(seq++, "Checked", (bool)(propertyInfo.GetValue(dataItem) ?? false));
builder.AddAttribute(seq++, "CheckedChanged", EventCallback.Factory.Create<bool>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
builder.CloseComponent();
}
private void RenderDateTimeEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo, string? displayFormat)
{
var isNullable = Nullable.GetUnderlyingType(propertyInfo.PropertyType) != null;
var value = propertyInfo.GetValue(dataItem);
if (isNullable)
{
builder.OpenComponent<DxDateEdit<DateTime?>>(seq++);
builder.AddAttribute(seq++, "Date", (DateTime?)value);
builder.AddAttribute(seq++, "DateChanged", EventCallback.Factory.Create<DateTime?>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
else
{
builder.OpenComponent<DxDateEdit<DateTime>>(seq++);
builder.AddAttribute(seq++, "Date", (DateTime)(value ?? DateTime.MinValue));
builder.AddAttribute(seq++, "DateChanged", EventCallback.Factory.Create<DateTime>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
builder.AddAttribute(seq++, "DisplayFormat", displayFormat ?? "yyyy-MM-dd HH:mm");
builder.CloseComponent();
}
private void RenderDateOnlyEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo, string? displayFormat)
{
var isNullable = Nullable.GetUnderlyingType(propertyInfo.PropertyType) != null;
var value = propertyInfo.GetValue(dataItem);
if (isNullable)
{
builder.OpenComponent<DxDateEdit<DateOnly?>>(seq++);
builder.AddAttribute(seq++, "Date", (DateOnly?)value);
builder.AddAttribute(seq++, "DateChanged", EventCallback.Factory.Create<DateOnly?>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
else
{
builder.OpenComponent<DxDateEdit<DateOnly>>(seq++);
builder.AddAttribute(seq++, "Date", (DateOnly)(value ?? DateOnly.MinValue));
builder.AddAttribute(seq++, "DateChanged", EventCallback.Factory.Create<DateOnly>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
builder.AddAttribute(seq++, "DisplayFormat", displayFormat ?? "yyyy-MM-dd");
builder.CloseComponent();
}
private void RenderSpinIntEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo)
{
var isNullable = Nullable.GetUnderlyingType(propertyInfo.PropertyType) != null;
var value = propertyInfo.GetValue(dataItem);
if (isNullable)
{
builder.OpenComponent<DxSpinEdit<int?>>(seq++);
builder.AddAttribute(seq++, "Value", (int?)value);
builder.AddAttribute(seq++, "ValueChanged", EventCallback.Factory.Create<int?>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
else
{
builder.OpenComponent<DxSpinEdit<int>>(seq++);
builder.AddAttribute(seq++, "Value", (int)(value ?? 0));
builder.AddAttribute(seq++, "ValueChanged", EventCallback.Factory.Create<int>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
builder.CloseComponent();
}
private void RenderSpinDecimalEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo)
{
var isNullable = Nullable.GetUnderlyingType(propertyInfo.PropertyType) != null;
var value = propertyInfo.GetValue(dataItem);
if (isNullable)
{
builder.OpenComponent<DxSpinEdit<decimal?>>(seq++);
builder.AddAttribute(seq++, "Value", (decimal?)value);
builder.AddAttribute(seq++, "ValueChanged", EventCallback.Factory.Create<decimal?>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
else
{
builder.OpenComponent<DxSpinEdit<decimal>>(seq++);
builder.AddAttribute(seq++, "Value", (decimal)(value ?? 0m));
builder.AddAttribute(seq++, "ValueChanged", EventCallback.Factory.Create<decimal>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
builder.CloseComponent();
}
private void RenderSpinDoubleEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo)
{
var isNullable = Nullable.GetUnderlyingType(propertyInfo.PropertyType) != null;
var value = propertyInfo.GetValue(dataItem);
if (isNullable)
{
builder.OpenComponent<DxSpinEdit<double?>>(seq++);
builder.AddAttribute(seq++, "Value", (double?)value);
builder.AddAttribute(seq++, "ValueChanged", EventCallback.Factory.Create<double?>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
else
{
builder.OpenComponent<DxSpinEdit<double>>(seq++);
builder.AddAttribute(seq++, "Value", (double)(value ?? 0d));
builder.AddAttribute(seq++, "ValueChanged", EventCallback.Factory.Create<double>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
}
builder.CloseComponent();
}
private void RenderTextBoxEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo)
{
builder.OpenComponent<DxTextBox>(seq++);
builder.AddAttribute(seq++, "Text", propertyInfo.GetValue(dataItem)?.ToString() ?? "");
builder.AddAttribute(seq++, "TextChanged", EventCallback.Factory.Create<string>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
builder.CloseComponent();
}
private void RenderMemoEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo)
{
builder.OpenComponent<DxMemo>(seq++);
builder.AddAttribute(seq++, "Text", propertyInfo.GetValue(dataItem)?.ToString() ?? "");
builder.AddAttribute(seq++, "TextChanged", EventCallback.Factory.Create<string>(this, v => { propertyInfo.SetValue(dataItem, v); InvokeAsync(StateHasChanged); }));
builder.AddAttribute(seq++, "Rows", 3);
builder.CloseComponent();
}
private void RenderComboBoxEditor(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo, DxComboBoxSettings settings)
{
var value = propertyInfo.GetValue(dataItem);
var underlyingType = Nullable.GetUnderlyingType(propertyInfo.PropertyType) ?? propertyInfo.PropertyType;
var itemType = settings.Data?.GetType().GetGenericArguments().FirstOrDefault() ?? typeof(object);
if (underlyingType == typeof(int))
RenderComboBoxInt(builder, ref seq, dataItem, propertyInfo, settings, itemType, value);
else if (underlyingType == typeof(long))
RenderComboBoxLong(builder, ref seq, dataItem, propertyInfo, settings, itemType, value);
else if (underlyingType == typeof(Guid))
RenderComboBoxGuid(builder, ref seq, dataItem, propertyInfo, settings, itemType, value);
else
{
builder.OpenComponent<DxTextBox>(seq++);
builder.AddAttribute(seq++, "Text", ResolveComboBoxDisplayText(settings, value ?? new object()) ?? value?.ToString() ?? "");
builder.AddAttribute(seq++, "ReadOnly", true);
builder.CloseComponent();
}
}
private void RenderComboBoxInt(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo, DxComboBoxSettings settings, Type itemType, object? currentValue)
{
var isNullable = Nullable.GetUnderlyingType(propertyInfo.PropertyType) != null;
var comboType = isNullable ? typeof(DxComboBox<,>).MakeGenericType(itemType, typeof(int?)) : typeof(DxComboBox<,>).MakeGenericType(itemType, typeof(int));
builder.OpenComponent(seq++, comboType);
builder.AddAttribute(seq++, "Data", settings.Data);
builder.AddAttribute(seq++, "ValueFieldName", settings.ValueFieldName);
builder.AddAttribute(seq++, "TextFieldName", settings.TextFieldName);
builder.AddAttribute(seq++, "Value", isNullable ? currentValue as int? : (currentValue is int intVal ? intVal : 0));
builder.AddAttribute(seq++, "ValueChanged", isNullable
? EventCallback.Factory.Create<int?>(this, v => { propertyInfo.SetValue(dataItem, v); StateHasChanged(); })
: EventCallback.Factory.Create<int>(this, v => { propertyInfo.SetValue(dataItem, v); StateHasChanged(); }));
builder.AddAttribute(seq++, "ClearButtonDisplayMode", DataEditorClearButtonDisplayMode.Auto);
builder.CloseComponent();
}
private void RenderComboBoxLong(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo, DxComboBoxSettings settings, Type itemType, object? currentValue)
{
var isNullable = Nullable.GetUnderlyingType(propertyInfo.PropertyType) != null;
var comboType = isNullable ? typeof(DxComboBox<,>).MakeGenericType(itemType, typeof(long?)) : typeof(DxComboBox<,>).MakeGenericType(itemType, typeof(long));
builder.OpenComponent(seq++, comboType);
builder.AddAttribute(seq++, "Data", settings.Data);
builder.AddAttribute(seq++, "ValueFieldName", settings.ValueFieldName);
builder.AddAttribute(seq++, "TextFieldName", settings.TextFieldName);
builder.AddAttribute(seq++, "Value", isNullable ? currentValue as long? : (currentValue is long longVal ? longVal : 0L));
builder.AddAttribute(seq++, "ValueChanged", isNullable
? EventCallback.Factory.Create<long?>(this, v => { propertyInfo.SetValue(dataItem, v); StateHasChanged(); })
: EventCallback.Factory.Create<long>(this, v => { propertyInfo.SetValue(dataItem, v); StateHasChanged(); }));
builder.AddAttribute(seq++, "ClearButtonDisplayMode", DataEditorClearButtonDisplayMode.Auto);
builder.CloseComponent();
}
private void RenderComboBoxGuid(RenderTreeBuilder builder, ref int seq, object dataItem, PropertyInfo propertyInfo, DxComboBoxSettings settings, Type itemType, object? currentValue)
{
var isNullable = Nullable.GetUnderlyingType(propertyInfo.PropertyType) != null;
var comboType = isNullable ? typeof(DxComboBox<,>).MakeGenericType(itemType, typeof(Guid?)) : typeof(DxComboBox<,>).MakeGenericType(itemType, typeof(Guid));
builder.OpenComponent(seq++, comboType);
builder.AddAttribute(seq++, "Data", settings.Data);
builder.AddAttribute(seq++, "ValueFieldName", settings.ValueFieldName);
builder.AddAttribute(seq++, "TextFieldName", settings.TextFieldName);
builder.AddAttribute(seq++, "Value", isNullable ? currentValue as Guid? : (currentValue is Guid guidVal ? guidVal : Guid.Empty));
builder.AddAttribute(seq++, "ValueChanged", isNullable
? EventCallback.Factory.Create<Guid?>(this, v => { propertyInfo.SetValue(dataItem, v); StateHasChanged(); })
: EventCallback.Factory.Create<Guid>(this, v => { propertyInfo.SetValue(dataItem, v); StateHasChanged(); }));
builder.AddAttribute(seq++, "ClearButtonDisplayMode", DataEditorClearButtonDisplayMode.Auto);
builder.CloseComponent();
}
private RenderFragment RenderCellContent(object? value, string displayText)
{
return builder =>
{
var seq = 0;
builder.OpenElement(seq++, "span");
builder.AddAttribute(seq++, "class", "mg-info-panel-value");
builder.AddAttribute(seq++, "title", displayText);
if (value is bool boolValue)
{
builder.OpenElement(seq++, "span");
builder.AddAttribute(seq++, "class", boolValue ? "dx-icon dx-icon-check" : "dx-icon dx-icon-close");
builder.CloseElement();
}
else
{
builder.AddContent(seq++, displayText);
}
builder.CloseElement();
};
}
}