Fixed an issue in the query tool where, when multiple cursors were used to copy, only the first line was being copied. #8691

web/pgadmin/static/js/components/ReactCodeMirror/CustomEditorView.js

@@ -201,7 +201,13 @@ export default class CustomEditorView extends EditorView {
   }
 
   getSelection() {
-    return this.state.selection.ranges.map((range)=>this.state.sliceDoc(range.from, range.to)).join('') ?? '';
+    return CustomEditorView.getSelectionFromState(this.state);
+  }
+
+  static getSelectionFromState(state) {
+    // function to get selection from EditorState
+    const lineSep = state.facet(eol);
+    return state.selection.ranges.map((range)=>state.sliceDoc(range.from, range.to)).join(lineSep) ?? '';
   }
 
   replaceSelection(newValue) {

web/pgadmin/static/js/components/ReactCodeMirror/components/Editor.jsx

@@ -157,10 +157,7 @@ const defaultExtensions = [
   }),
   autoCompleteCompartment.of([]),
   EditorView.clipboardOutputFilter.of((text, state)=>{
-    const lineSep = state.facet(eol);
-    // Fetch the primary selection from the editor's current state.
-    const selection = state.selection.main;
-    return state.doc.sliceString(selection.from, selection.to, lineSep);
+    return CustomEditorView.getSelectionFromState(state);
   })
 ];
 

web/pgadmin/static/js/components/ReactCodeMirror/index.jsx

@@ -110,7 +110,7 @@ export default function CodeMirror({className, currEditor, showCopyBtn=false, cu
     if (!onTextSelect) return;
 
     const handleSelection = () => {
-      const selectedText = window.getSelection().toString();
+      const selectedText = editor.current?.getSelection();
       if (selectedText) {
         onTextSelect(selectedText);
       } else {