Graham McIntire
2f09b590e2
- Add ex_slop credo plugin with all 40 checks - Remove DualKeyAccess patterns across codebase — atom-only access - Fix LengthInGuard, LengthComparison, ListLast, ReduceMapPut in lib/ - Disable LengthComparison for test files - Remove obvious comments and narrator comments (~50) - Add missing aliases for fully-qualified modules - Rewrite boilerplate docs in test/support - Add normalize_keys helpers at API boundaries
84 lines
2.8 KiB
Elixir
84 lines
2.8 KiB
Elixir
defmodule AprsmeWeb.SymbolRenderer do
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@moduledoc """
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Server-side APRS symbol rendering component.
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This module handles the rendering of APRS symbols using the hessu/aprs-symbols sprite files.
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It provides a centralized way to render symbols that can be used across all LiveView pages.
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"""
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use Phoenix.Component
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@doc """
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Renders an APRS symbol with the correct sprite positioning.
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## Examples
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<.symbol symbol_table="/" symbol_code="_" size={32} callsign="W1AW" />
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<.symbol symbol_table="D" symbol_code="&" size={64} />
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"""
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attr :symbol_table, :string, required: true, doc: "APRS symbol table identifier (/, \\, or overlay)"
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attr :symbol_code, :string, required: true, doc: "APRS symbol code character"
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attr :size, :integer, default: 32, doc: "Display size in pixels"
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attr :callsign, :string, default: nil, doc: "Optional callsign to display next to symbol"
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attr :class, :string, default: "", doc: "Additional CSS classes"
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attr :title, :string, default: nil, doc: "Optional title/tooltip text"
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def symbol(assigns) do
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sprite_info = AprsmeWeb.AprsSymbol.get_sprite_info(assigns.symbol_table, assigns.symbol_code)
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assigns =
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assign(assigns,
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sprite_file: sprite_info.sprite_file,
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background_position: sprite_info.background_position,
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background_size: sprite_info.background_size,
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symbol_title: assigns.title || "#{assigns.symbol_table}#{assigns.symbol_code}"
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)
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~H"""
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<div
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class={["aprs-symbol-container", @class]}
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style={"position: relative; display: inline-block; width: #{@size}px; height: #{@size}px;"}
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>
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<div
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class="aprs-symbol"
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style={"
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width: #{@size}px;
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height: #{@size}px;
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background-image: url(#{@sprite_file});
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background-position: #{@background_position};
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background-size: #{@background_size};
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background-repeat: no-repeat;
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image-rendering: pixelated;
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"}
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title={@symbol_title}
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>
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</div>
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<%= if @callsign do %>
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<div
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class="aprs-callsign-label"
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style="
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position: absolute;
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left: #{@size + 4}px;
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top: 50%;
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transform: translateY(-50%);
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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font-size: 11px;
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font-weight: 600;
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color: #1e40af;
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background-color: rgba(255, 255, 255, 0.9);
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padding: 1px 4px;
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border-radius: 3px;
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white-space: nowrap;
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border: 1px solid rgba(30, 64, 175, 0.3);
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box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
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pointer-events: none;
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z-index: 1000;
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"
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>
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{@callsign}
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</div>
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<% end %>
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</div>
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"""
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end
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end
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