tp.Res preview

extension.js

@@ -0,0 +1,64 @@
+const vscode = require("vscode");
+const path = require("path");
+
+/**
+ * @param {vscode.ExtensionContext} context
+ */
+function activate(context) {
+  const disposable = vscode.languages.registerHoverProvider("python", {
+    /**
+     * @param {vscode.TextDocument} document
+     * @param {vscode.Position} position
+     * @param {vscode.CancellationToken} token
+     */
+    async provideHover(document, position, token) {
+      const { activeSignature, signatures } =
+        await vscode.commands.executeCommand(
+          "vscode.executeSignatureHelpProvider",
+          document.uri,
+          position
+        );
+      const { label, parameters, activeParameter } =
+        signatures[activeSignature];
+      const type_name = label
+        .substring(...parameters[activeParameter].label)
+        .split(":")
+        .at(-1)
+        .trim();
+      const type_list = type_name.split("|").map((x) => x.trim());
+      if (!type_list.includes("Res")) return;
+      const code_line = document.lineAt(position).text;
+      const res_range = document.getWordRangeAtPosition(position, /".*?"/);
+      // let start, end;
+      // for (start = position.character; start >= 0; --start)
+      //   if (code_line.charAt(start) == '"') break;
+      // for (end = position.character; end < code_line.length; ++end)
+      //   if (code_line.charAt(end) == '"') break;
+      // let res = code_line.substring(start + 1, end);
+      // console.log(document.getWordRangeAtPosition(position, /".*?"/));
+      let res = code_line.substring(
+        res_range.start.character + 1,
+        res_range.end.character - 1
+      );
+      console.log(res);
+      if (!res.endsWith(".jpg")) res += ".png";
+      const img_path = path.join(
+        vscode.workspace.workspaceFolders[0].uri.path,
+        "mower",
+        "resources",
+        res
+      );
+      const md = new vscode.MarkdownString(`![](file://${img_path})`);
+      return new vscode.Hover(md);
+    },
+  });
+
+  context.subscriptions.push(disposable);
+}
+
+function deactivate() {}
+
+module.exports = {
+  activate,
+  deactivate,
+};