From 045410b2e6defe505aca5970c178082f1a558314 Mon Sep 17 00:00:00 2001
From: Julian Stirling <julian@julianstirling.co.uk>
Date: Sat, 8 Nov 2025 00:50:11 +0000
Subject: [PATCH] A matrix display component with copy button that copys as
 code.

---
 .../settingsComponents/CSMSettings.vue        |   2 +-
 .../CSMCalibrationSettings.vue                |  19 ++-
 webapp/src/components/ui/matrixDisplay.vue    | 157 ++++++++++++++++++
 3 files changed, 173 insertions(+), 5 deletions(-)
 create mode 100644 webapp/src/components/ui/matrixDisplay.vue

diff --git a/webapp/src/components/tabContentComponents/settingsComponents/CSMSettings.vue b/webapp/src/components/tabContentComponents/settingsComponents/CSMSettings.vue
index e471733a..3ef2c9fa 100644
--- a/webapp/src/components/tabContentComponents/settingsComponents/CSMSettings.vue
+++ b/webapp/src/components/tabContentComponents/settingsComponents/CSMSettings.vue
@@ -1,6 +1,6 @@
 <template>
   <div id="CSMSettings" class="uk-grid uk-grid-divider uk-child-width-expand" uk-grid>
-    <div class="uk-width-xlarge">
+    <div class="uk-width-large">
       <h3>Camera to Stage Mapping</h3>
       <p>
         Camera-stage mapping allows the stage to move relative to the camera view. This enables
diff --git a/webapp/src/components/tabContentComponents/settingsComponents/CSMSettingsComponents/CSMCalibrationSettings.vue b/webapp/src/components/tabContentComponents/settingsComponents/CSMSettingsComponents/CSMCalibrationSettings.vue
index 0920d02f..96fe0101 100644
--- a/webapp/src/components/tabContentComponents/settingsComponents/CSMSettingsComponents/CSMCalibrationSettings.vue
+++ b/webapp/src/components/tabContentComponents/settingsComponents/CSMSettingsComponents/CSMCalibrationSettings.vue
@@ -27,13 +27,22 @@
     <div v-if="csmMatrix != 'undefined'" style="margin: 10px">
       <details>
         <summary>Calibration Details</summary>
-        <strong>CSM calculated for images with a resolution of {{ csmResolution }}</strong>
+        <strong>CSM calculated for images with a resolution of:</strong>
+        <br />
+        <matrixDisplay :matrix="csmResolution" :bracket-height="1.5" />
+
         <ul>
           <li>
-            Current CSM Matrix: <tt>{{ csmMatrix }}</tt>
+            Current CSM Matrix:
+            <br />
+            <matrixDisplay :matrix="csmMatrix" />
           </li>
           <li>Pixels per motor step: {{ csmRatio }}</li>
-          <li>Full field of view: {{ csmFOV }} motor steps</li>
+          <li>
+            Full field of view in motor steps:
+            <br />
+            <matrixDisplay :matrix="csmFOV" :bracket-height="1.5" />
+          </li>
         </ul>
       </details>
     </div>
@@ -41,7 +50,8 @@
 </template>
 
 <script>
-import ActionButton from "../../../labThingsComponents/actionButton.vue";
+import ActionButton from "@/components/labThingsComponents/actionButton.vue";
+import matrixDisplay from "@/components/ui/matrixDisplay.vue";
 
 // Export main app
 export default {
@@ -49,6 +59,7 @@ export default {
 
   components: {
     ActionButton,
+    matrixDisplay,
   },
 
   props: {
diff --git a/webapp/src/components/ui/matrixDisplay.vue b/webapp/src/components/ui/matrixDisplay.vue
new file mode 100644
index 00000000..2bf5f138
--- /dev/null
+++ b/webapp/src/components/ui/matrixDisplay.vue
@@ -0,0 +1,157 @@
+<template>
+  <div class="matrix-container uk-inline">
+    <div class="matrix-wrapper">
+      <div class="matrix-bracket" :style="bracketSize">(</div>
+
+      <div class="matrix-grid">
+        <div v-for="(row, i) in always2DMatrix" :key="i" class="matrix-row">
+          <span v-for="(cell, j) in row" :key="j" class="matrix-cell">
+            {{ cell }}
+          </span>
+        </div>
+      </div>
+
+      <div class="matrix-bracket" :style="bracketSize">)</div>
+    </div>
+
+    <button
+      class="copy-button"
+      :class="{ success: copied }"
+      :title="'Copy as Python list'"
+      @click="copyMatrix"
+    >
+      <span class="material-symbols-outlined">{{ copySymbol }}</span>
+    </button>
+  </div>
+</template>
+
+<script>
+export default {
+  name: "MatrixDisplay",
+  props: {
+    matrix: {
+      type: Array,
+      required: true,
+    },
+    bracketHeight: {
+      type: Number,
+      default: 3,
+    },
+  },
+  data() {
+    return {
+      copied: false,
+    };
+  },
+  computed: {
+    always2DMatrix() {
+      if (!this.matrix || this.matrix.length === 0) return [];
+      if (!Array.isArray(this.matrix[0])) {
+        return [this.matrix];
+      }
+      return this.matrix;
+    },
+    copySymbol() {
+      return this.copied ? "check" : "content_copy";
+    },
+    bracketSize() {
+      return { fontSize: `${this.bracketHeight}rem`, lineHeight: "1" };
+    },
+  },
+  methods: {
+    copyMatrix() {
+      const pythonFormat = JSON.stringify(this.matrix)
+        .replaceAll("],", "], ")
+        .replaceAll(",", ", ");
+      this.copyText(pythonFormat);
+    },
+    /**
+     * Cannot use modern text copy as we don't have https.
+     *
+     * This uses the deprecated execCommand as navigator.clipboard.writeText() is not
+     * available.
+     */
+    copyText(text) {
+      const textarea = document.createElement("textarea");
+      textarea.value = text;
+      textarea.style.position = "fixed";
+      textarea.style.opacity = "0";
+      document.body.appendChild(textarea);
+      textarea.focus();
+      textarea.select();
+      try {
+        document.execCommand("copy");
+        this.copied = true;
+        setTimeout(() => (this.copied = false), 1000);
+      } catch (err) {
+        console.error("Copy failed:", err);
+      } finally {
+        document.body.removeChild(textarea);
+      }
+    },
+  },
+};
+</script>
+
+<style scoped>
+.matrix-container {
+  display: inline-block;
+  padding: 8px 12px;
+  border-radius: 6px;
+  position: relative;
+}
+
+.matrix-wrapper {
+  display: flex;
+  align-items: center;
+}
+
+.matrix-bracket {
+  display: flex;
+  align-items: center;
+  padding: 0 0.25rem;
+}
+
+.matrix-grid {
+  display: inline-flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.matrix-row {
+  display: flex;
+}
+
+.matrix-cell {
+  padding: 2px 6px;
+  min-width: 24px;
+  text-align: center;
+}
+
+.copy-button {
+  position: absolute;
+  top: -5px;
+  right: -20px;
+  background: transparent;
+  border: none;
+  cursor: pointer;
+  padding: 4px;
+  margin-left: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #666;
+  transition: color 0.2s ease;
+}
+
+.copy-button:hover {
+  color: #000;
+}
+.copy-button {
+  transition: background-color 0.3s ease, color 0.3s ease;
+}
+
+.copy-button.success {
+  color: #4caf50;
+}
+</style>