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Tooltip and Area Click Behavior Updates #8

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merged 2 commits into from
Jul 22, 2024
Merged

Tooltip and Area Click Behavior Updates #8

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f439bd7
WIP: tooltip and area click behavior
Croge32 Jul 22, 2024
65a84ab
Use x_pixel and y_pixel for tooltip rendering and other changes
Croge32 Jul 22, 2024
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62 changes: 53 additions & 9 deletions lib/plox.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -234,7 +234,14 @@ defmodule Plox do
phx-click={
if assigns[:"phx-click"],
do:
JS.push(assigns[:"phx-click"], value: %{id: point.data_point.id, dataset_id: @dataset.id})
JS.push(assigns[:"phx-click"],
value: %{
id: point.data_point.id,
dataset_id: @dataset.id,
x_pixel: point.x,
y_pixel: point.y
}
)
}
phx-target={assigns[:"phx-target"]}
style={if assigns[:"phx-click"], do: "cursor: pointer;"}
Expand Down Expand Up @@ -274,7 +281,12 @@ defmodule Plox do
if assigns[:"phx-click"],
do:
JS.push(assigns[:"phx-click"],
value: %{id: point.data_point.id, dataset_id: @dataset.id}
value: %{
id: point.data_point.id,
dataset_id: @dataset.id,
x_pixel: point.x,
y_pixel: point.y
}
)
}
phx-target={assigns[:"phx-target"]}
Expand Down Expand Up @@ -304,32 +316,31 @@ defmodule Plox do

attr :dataset, :any, required: true
attr :point_id, :any, required: true

attr :x, :atom, default: :x, doc: "The dataset axis key to use for x values"
attr :y, :atom, default: :y, doc: "The dataset axis key to use for y values"

attr :x_pixel, :any, required: true
attr :y_pixel, :any, required: true

attr :"phx-click-away", :any
attr :"phx-target", :any, default: nil

slot :inner_block, required: true

def tooltip(assigns) do
point = GraphDataset.to_graph_point(assigns.dataset, assigns.x, assigns.y, assigns.point_id)

assigns =
assign(assigns, point: point)
assigns = assign(assigns, data_point: GraphDataset.get_point(assigns.dataset, assigns.point_id))

~H"""
<div
style={[
"position: absolute; padding: 1rem; font-size: 0.75rem; background: #4B4C4D; color: #CACBCC; z-index: 10; border-radius: 0.75rem; transform: translate(-50%);",
"left: #{@point.x}px; bottom: #{@dataset.dimensions.height - @point.y + 12}px;",
"left: #{@x_pixel}px; bottom: #{@dataset.dimensions.height - @y_pixel + 12}px;",
"box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);"
]}
phx-click-away={assigns[:"phx-click-away"]}
phx-target={assigns[:"phx-target"]}
>
<%= render_slot(@inner_block, @point.data_point.original) %>
<%= render_slot(@inner_block, @data_point.original) %>
<div style="transform: translate(-50%) rotate(45deg); position: absolute; left: 50%; bottom: -0.5rem; width: 1rem; height: 1rem; z-index: -10; background: #4B4C4D" />
</div>
"""
Expand All @@ -347,6 +358,9 @@ defmodule Plox do

attr :orientation, :atom, values: [:vertical, :horizontal], default: :horizontal

attr :"phx-click", :any, default: nil
attr :"phx-target", :any, default: nil

def area_plot(%{orientation: :horizontal} = assigns) do
~H"""
<%= for [scalar1, scalar2] <- area_points(@dataset, @area, @orientation), rect_color = GraphDataset.to_color(@dataset, @color, scalar1.data_point) do %>
Expand All @@ -360,6 +374,21 @@ defmodule Plox do
width={scalar2.value - scalar1.value}
x={scalar1.value}
y={@dataset.dimensions.margin.top}
phx-click={
if assigns[:"phx-click"],
do:
JS.push(assigns[:"phx-click"],
value: %{
start_area_point_id: scalar1.data_point.id,
end_area_point_id: scalar2.data_point.id,
dataset_id: @dataset.id,
x_pixel: scalar1.value + (scalar2.value - scalar1.value) / 2,
y_pixel: @dataset.dimensions.margin.top + @dataset.dimensions.height / 2
}
)
}
style={if assigns[:"phx-click"], do: "cursor: pointer;"}
phx-target={assigns[:"phx-target"]}
/>
<% end %>
"""
Expand All @@ -378,6 +407,21 @@ defmodule Plox do
}
x={@dataset.dimensions.margin.left}
y={scalar1.value - (scalar1.value - scalar2.value)}
phx-click={
if assigns[:"phx-click"],
do:
JS.push(assigns[:"phx-click"],
value: %{
start_area_point_id: scalar1.data_point.id,
end_area_point_id: scalar2.data_point.id,
dataset_id: @dataset.id,
x_pixel: @dataset.dimensions.margin.left + @dataset.dimensions.width / 2,
y_pixel: scalar2.value + (scalar1.value - scalar2.value) / 2
}
)
}
style={if assigns[:"phx-click"], do: "cursor: pointer;"}
phx-target={assigns[:"phx-target"]}
/>
<% end %>
"""
Expand Down
6 changes: 6 additions & 0 deletions lib/plox/graph_dataset.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,12 @@ defmodule Plox.GraphDataset do
%__MODULE__{id: id, dataset: dataset, dimensions: dimensions}
end

def get_point(dataset, point_id) do
Enum.find_value(dataset.dataset.data, fn data_point ->
if data_point.id == point_id, do: data_point
end)
end

def get_scale!(%__MODULE__{dataset: dataset, dimensions: dimensions}, key) do
case Map.fetch(dataset.scales, key) do
{:ok, scale} ->
Expand Down