From fd2c1dd06d959f1b627f5465285ab6841ea22900 Mon Sep 17 00:00:00 2001
From: nhobes <nhobes@gmail.com>
Date: Tue, 29 Oct 2024 13:07:59 +1100
Subject: [PATCH] implement a stepper component

---
 assets/default.css              | 145 ++++++++++++++++++++++++++++++++
 lib/petal_components.ex         |   1 +
 lib/petal_components/stepper.ex |  70 +++++++++++++++
 3 files changed, 216 insertions(+)
 create mode 100644 lib/petal_components/stepper.ex

diff --git a/assets/default.css b/assets/default.css
index 264daa3..0fa9ac0 100644
--- a/assets/default.css
+++ b/assets/default.css
@@ -2034,6 +2034,151 @@
   @apply p-5;
 }
 
+/* Stepper */
+.pc-stepper {
+  @apply w-full;
+}
+
+.pc-stepper__container {
+  @apply relative flex md:gap-4;
+}
+
+.pc-stepper--horizontal .pc-stepper__container {
+  @apply flex-col items-start md:flex-row md:items-center;
+}
+
+.pc-stepper--vertical .pc-stepper__container {
+  @apply flex-col items-start;
+}
+
+/* Item */
+.pc-stepper__item {
+  @apply relative flex w-full md:w-auto;
+}
+
+.pc-stepper--horizontal .pc-stepper__item {
+  @apply flex-col md:flex-row md:flex-1 md:items-center;
+}
+
+.pc-stepper--vertical .pc-stepper__item {
+  @apply flex-col pl-5;
+}
+
+/* Item Content */
+.pc-stepper__item-content {
+  @apply flex md:min-w-[180px] md:flex-1;
+}
+
+/* Node */
+.pc-stepper__node {
+  @apply flex items-center w-full gap-4 transition-all duration-200 cursor-pointer hover:opacity-90;
+}
+
+/* Indicator */
+.pc-stepper__indicator {
+  @apply grid flex-shrink-0 text-white transition-all duration-200 bg-gray-500 rounded-full place-items-center;
+}
+
+.pc-stepper__node--complete .pc-stepper__indicator {
+  @apply bg-success-500;
+}
+
+.pc-stepper__node--active .pc-stepper__indicator {
+  @apply border-2 border-success-600;
+}
+
+/* Size variants for indicator */
+.pc-stepper--sm .pc-stepper__indicator {
+  @apply w-8 h-8;
+}
+
+.pc-stepper--md .pc-stepper__indicator {
+  @apply w-10 h-10;
+}
+
+.pc-stepper--lg .pc-stepper__indicator {
+  @apply w-12 h-12;
+}
+
+/* Check icon */
+.pc-stepper__check {
+  @apply text-white;
+}
+
+.pc-stepper--sm .pc-stepper__check {
+  @apply w-4 h-4;
+}
+
+.pc-stepper--md .pc-stepper__check {
+  @apply w-5 h-5;
+}
+
+.pc-stepper--lg .pc-stepper__check {
+  @apply w-6 h-6;
+}
+
+/* Number */
+.pc-stepper__number {
+  @apply font-semibold;
+}
+
+.pc-stepper--sm .pc-stepper__number {
+  @apply text-sm;
+}
+
+.pc-stepper--md .pc-stepper__number {
+  @apply text-base;
+}
+
+.pc-stepper--lg .pc-stepper__number {
+  @apply text-lg;
+}
+
+/* Content */
+.pc-stepper__content {
+  @apply flex flex-col flex-1 gap-1;
+}
+
+/* Title */
+.pc-stepper__title {
+  @apply text-sm font-semibold text-gray-900 dark:text-gray-100;
+}
+
+/* Description */
+.pc-stepper__description {
+  @apply text-sm text-gray-500 dark:text-gray-400;
+}
+
+/* Connector Wrapper */
+.pc-stepper__connector-wrapper {
+  @apply flex self-start pl-5 md:pl-0 md:self-center;
+}
+
+.pc-stepper--horizontal .pc-stepper__connector-wrapper {
+  @apply h-full md:w-full md:h-auto;
+}
+
+.pc-stepper--vertical .pc-stepper__connector-wrapper {
+  @apply w-10 h-full ml-5;
+}
+
+/* Connector */
+.pc-stepper__connector {
+  @apply flex-shrink bg-gray-200 dark:bg-gray-600;
+}
+
+.pc-stepper__connector--complete {
+  @apply bg-success-500 dark:bg-success-500;
+}
+
+.pc-stepper--horizontal .pc-stepper__connector {
+  @apply h-8 w-0.5 my-2 mx-auto md:h-0.5 md:w-full md:my-auto md:mx-0;
+}
+
+.pc-stepper--vertical .pc-stepper__connector {
+  @apply w-0.5 h-8 mx-auto;
+}
+
 /* Rating */
 
 .pc-rating__wrapper {
diff --git a/lib/petal_components.ex b/lib/petal_components.ex
index 51af0e9..f715932 100644
--- a/lib/petal_components.ex
+++ b/lib/petal_components.ex
@@ -24,6 +24,7 @@ defmodule PetalComponents do
         Rating,
         Skeleton,
         SlideOver,
+        Stepper,
         Table,
         Tabs,
         Typography,
diff --git a/lib/petal_components/stepper.ex b/lib/petal_components/stepper.ex
new file mode 100644
index 0000000..3a9c84e
--- /dev/null
+++ b/lib/petal_components/stepper.ex
@@ -0,0 +1,70 @@
+defmodule PetalComponents.Stepper do
+  use Phoenix.Component
+  import Phoenix.HTML
+  import PetalComponents.Icon
+  alias Phoenix.LiveView.JS
+
+  attr :steps, :list, required: true
+  attr :orientation, :string, default: "horizontal", values: ["horizontal", "vertical"]
+  attr :size, :string, default: "md", values: ["sm", "md", "lg"]
+  attr :class, :string, default: ""
+
+  def stepper(assigns) do
+    ~H"""
+    <div class={[
+      "pc-stepper",
+      "pc-stepper--#{@orientation}",
+      "pc-stepper--#{@size}",
+      @class
+    ]}>
+      <div class="pc-stepper__container">
+        <%= for {step, index} <- Enum.with_index(@steps) do %>
+          <div class="pc-stepper__item">
+            <div class="pc-stepper__item-content">
+              <div
+                class={[
+                  "pc-stepper__node",
+                  step.complete? && "pc-stepper__node--complete",
+                  step.active? && "pc-stepper__node--active"
+                ]}
+                id={"step-#{index}"}
+                {%{"phx-target": assigns[:"phx-target"]}}
+                phx-click={step[:on_click]}
+              >
+                <div class="pc-stepper__indicator">
+                  <%= if step.complete? do %>
+                    <.icon name="hero-check-solid" class="pc-stepper__check" />
+                  <% else %>
+                    <span class="pc-stepper__number">
+                      <%= index + 1 %>
+                    </span>
+                  <% end %>
+                </div>
+                <div class="pc-stepper__content">
+                  <h3 class="pc-stepper__title">
+                    <%= step.name %>
+                  </h3>
+                  <%= if Map.get(step, :description) do %>
+                    <p class="pc-stepper__description">
+                      <%= step.description %>
+                    </p>
+                  <% end %>
+                </div>
+              </div>
+            </div>
+            <%= if index < length(@steps) - 1 do %>
+              <div class="pc-stepper__connector-wrapper">
+                <div class={[
+                  "pc-stepper__connector",
+                  step.complete? && Enum.at(@steps, index + 1).complete? &&
+                    "pc-stepper__connector--complete"
+                ]} />
+              </div>
+            <% end %>
+          </div>
+        <% end %>
+      </div>
+    </div>
+    """
+  end
+end