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mxaccessgw/src/MxGateway.Server/Dashboard/Components/Shared/BrowseTreeNodeView.razor
T
Joseph Doherty c1fe7fbc4a Add Browse and Alarms dashboard tabs
Browse renders the Galaxy hierarchy tree from IGalaxyHierarchyCache:
expandable areas/objects with attribute name, data type and the
alarm/historized flags, plus a name/reference filter. Right-click or
double-click an attribute to add it to a subscription panel that polls
live value, quality and source timestamp every two seconds.

Alarms lists the worker's currently-active alarm set via
IAlarmRpcDispatcher, defaulting to unacknowledged Active alarms with
filters for acknowledged alarms, area, severity range and text. It is
read-only and warns when alarm auto-subscribe is disabled.

Both tabs read live MXAccess data through a new singleton
DashboardLiveDataService that owns one shared, lazily-opened gateway
session (one worker) for the whole dashboard, re-opened transparently
if it faults or its lease expires.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-21 13:53:28 -04:00

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@using MxGateway.Contracts.Proto.Galaxy
@*
Recursive Browse hierarchy node. Renders one Galaxy object, its child
objects (recursively), and its attributes as right-clickable tag rows.
Expansion state is local; children render only while expanded.
*@
<div class="tree-node">
<div class="tree-row @(Node.IsArea ? "tree-row-area" : "tree-row-object")">
@if (Node.HasChildren)
{
<button type="button" class="tree-toggle" @onclick="Toggle" aria-label="Toggle">
@(_expanded ? "▾" : "▸")
</button>
}
else
{
<span class="tree-toggle tree-toggle-empty"></span>
}
<span class="tree-label" @onclick="Toggle">
<span class="tree-icon">@(Node.IsArea ? "▣" : "◇")</span>
<span class="tree-name">@Node.DisplayName</span>
@if (!string.IsNullOrWhiteSpace(Node.Object.TagName)
&& !string.Equals(Node.Object.TagName, Node.DisplayName, StringComparison.Ordinal))
{
<code class="tree-tag">@Node.Object.TagName</code>
}
</span>
</div>
@if (_expanded)
{
<div class="tree-children">
@foreach (DashboardBrowseNode child in Node.Children)
{
<BrowseTreeNodeView Node="child" OnAddTag="OnAddTag" OnTagContextMenu="OnTagContextMenu" />
}
@foreach (GalaxyAttribute attr in Node.Attributes)
{
GalaxyAttribute row = attr;
<div class="tree-attr"
title="@row.FullTagReference"
@oncontextmenu:preventDefault="true"
@oncontextmenu="@(args => OnTagContextMenu.InvokeAsync((args, row)))"
@ondblclick="@(() => OnAddTag.InvokeAsync(row.FullTagReference))">
<span class="tree-toggle tree-toggle-empty"></span>
<span class="attr-icon">·</span>
<span class="attr-name">@row.AttributeName</span>
<span class="attr-type">@DisplayType(row)</span>
@if (row.IsAlarm)
{
<span class="attr-flag attr-flag-alarm">alarm</span>
}
@if (row.IsHistorized)
{
<span class="attr-flag attr-flag-hist">hist</span>
}
</div>
}
</div>
}
</div>
@code {
/// <summary>The hierarchy node this view renders.</summary>
[Parameter]
[EditorRequired]
public DashboardBrowseNode Node { get; set; } = null!;
/// <summary>Raised with a tag's full reference when the operator double-clicks it.</summary>
[Parameter]
public EventCallback<string> OnAddTag { get; set; }
/// <summary>Raised when an attribute row is right-clicked, for the context menu.</summary>
[Parameter]
public EventCallback<(MouseEventArgs Event, GalaxyAttribute Attribute)> OnTagContextMenu { get; set; }
private bool _expanded;
private void Toggle()
{
if (Node.HasChildren)
{
_expanded = !_expanded;
}
}
private static string DisplayType(GalaxyAttribute attribute)
{
string baseType = string.IsNullOrWhiteSpace(attribute.DataTypeName)
? "type?"
: attribute.DataTypeName;
if (attribute.IsArray)
{
return attribute.ArrayDimensionPresent
? $"{baseType}[{attribute.ArrayDimension}]"
: $"{baseType}[]";
}
return baseType;
}
}