From 4ee42f5e0e359caf6d2b136e73f1c740d7181684 Mon Sep 17 00:00:00 2001
From: Zev Averbach <averbach_zev@cat.com>
Date: Mon, 13 Sep 2021 16:43:05 +0200
Subject: [PATCH] first

---
 patch.js | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 patch.js

diff --git a/patch.js b/patch.js
new file mode 100644
index 0000000..c1ed66a
--- /dev/null
+++ b/patch.js
@@ -0,0 +1,93 @@
+// ==UserScript==
+// @name         Snowflake Copy Selected Table Name to Clipboard
+// @namespace    http://tampermonkey.net/
+// @version      0.1
+// @description  In the Snowflake "preview" GUI (September 2021), find the selected view or table, if any, then copy the fully qualified name to the clipboard
+// @author       Zev Averbach
+// @include      /^https?://app\.snowflake\.com/*
+// @icon         https://www.google.com/s2/favicons?domain=tampermonkey.net
+// @grant        none
+// ==/UserScript==
+(function() {
+
+    // observer code from https://stackoverflow.com/a/47406751/4386191
+
+    let observer = new MutationObserver(resetTimer);
+    let timer = setTimeout(action, 3000, observer); // wait for the page to stay still for 3 seconds
+    observer.observe(document, {childList: true, subtree: true});
+
+    function resetTimer(changes, observer) {
+        clearTimeout(timer);
+        timer = setTimeout(action, 3000, observer);
+    }
+
+    function action(o) {
+        // find the selected view or table, if any, then copy the fully qualified name to the clipboard
+        o.disconnect();
+        console.log('script loaded successfully')
+        // hardcoded for the Snowflake "preview" GUI as of September 13 2021
+        const rows = document.querySelector(".content")
+        .children[0]
+        .children[1]
+        .children[0]
+        .children[0]
+        .children[1]
+        .children[0]
+        .children[2]
+        .children[0]
+        .children[0]
+        .children[0]
+        .children[0]
+        .children[0]
+        .children[0]
+        .children[0]
+        .children[0]
+        .children[0]
+        .children[1]
+        .children
+
+        const getCurrentlySelectedItem = () => Array.from(rows).filter(row => row.dataset.oeNodeColor === "#1a6ce7")[0]
+
+        const getLeftPadding = el => window.getComputedStyle(el, null).getPropertyValue("padding-left")
+
+        const NoneSelected = {}
+        const LEFT_PADDING_TABLE_LEVEL = "68px"
+        const LEFT_PADDING_IGNORE_LEVEL = "48px"
+        const LEFT_PADDING_IGNORE_LEVELS = [LEFT_PADDING_TABLE_LEVEL, LEFT_PADDING_IGNORE_LEVEL]
+        const LEFT_PADDING_SCHEMA_LEVEL = "28px"
+
+        const getSelectedNameInSql = () => {
+            const selectedElement = getCurrentlySelectedItem()
+            if (!selectedElement) {
+                throw NoneSelected
+            }
+
+            const tableText = selectedElement.innerText
+
+            let currentLevel = LEFT_PADDING_TABLE_LEVEL
+            let el = selectedElement
+
+            while (LEFT_PADDING_IGNORE_LEVELS.includes(currentLevel)) {
+                el = el.previousSibling
+                currentLevel = getLeftPadding(el)
+            }
+
+            const schemaText = el.innerText
+            while (LEFT_PADDING_IGNORE_LEVELS.concat(LEFT_PADDING_SCHEMA_LEVEL).includes(currentLevel)) {
+                el = el.previousSibling
+                currentLevel = getLeftPadding(el)
+            }
+
+            const dbText = el.innerText
+
+            return `${dbText}.${schemaText}.${tableText}`
+            }
+
+        document.addEventListener("keydown", function(e) {
+            if (e.key === "0" && e.ctrlKey) {
+                const name = getSelectedNameInSql()
+                navigator.clipboard.writeText(name)
+            }
+        })
+    }
+})();