erp5_officejs: more debug info in bootloader error display

bt5/erp5_officejs/PathTemplateItem/web_page_module/gadget_officejs_bootloader_presentation_js.js

@@ -3,6 +3,91 @@
 (function (window, rJS) {
   "use strict";
 
+  function displayErrorContent(gadget, original_error) {
+    var error_list = [original_error],
+      i,
+      error,
+      error_text = "";
+
+    // Do not break the application in case of errors.
+    // Display it to the user for now,
+    // and allow user to go back to the frontpage
+
+    // Add error handling stack
+    error_list.push(new Error('stopping ERP5JS'));
+
+    for (i = 0; i < error_list.length; i += 1) {
+      error = error_list[i];
+      if (error instanceof Event) {
+        error = {
+          string: error.toString(),
+          message: error.message,
+          type: error.type,
+          target: error.target
+        };
+        if (error.target !== undefined) {
+          error_list.splice(i + 1, 0, error.target);
+        }
+      }
+      if (error instanceof XMLHttpRequest) {
+        error = {
+          message: error.toString(),
+          readyState: error.readyState,
+          status: error.status,
+          statusText: error.statusText,
+          response: error.response,
+          responseUrl: error.responseUrl,
+          response_headers: error.getAllResponseHeaders()
+        };
+      }
+      if (error.constructor === Array ||
+          error.constructor === String ||
+          error.constructor === Object) {
+        try {
+          error = JSON.stringify(error);
+        } catch (ignore) {
+        }
+      }
+
+      error_text += error.message || error;
+      error_text += '\n';
+
+      if (error.fileName !== undefined) {
+        error_text += 'File: ' +
+          error.fileName +
+          ': ' + error.lineNumber + '\n';
+      }
+      if (error.stack !== undefined) {
+        error_text += 'Stack: ' + error.stack + '\n';
+      }
+      error_text += '---\n';
+    }
+
+    console.error(original_error);
+    if (original_error instanceof Error) {
+      console.error(original_error.stack);
+    }
+    console.log("generated error_text:");
+    console.log(error_text);
+
+    return error_text;
+    /*if (gadget.props === undefined) {
+      // Gadget has not yet been correctly initialized
+      throw error;
+    }
+    return gadget.changeState({
+      error_text: error_text,
+      url: undefined
+    });*/
+  }
+
+  function displayError(gadget, error) {
+    if (error instanceof RSVP.CancellationError) {
+      return "RSVP cancelation error";
+    }
+    return displayErrorContent(gadget, error);
+  }
+
   rJS(window)
     .declareMethod('render', function (options) {
       return this.changeState(options);
@@ -23,6 +108,10 @@
       if (modification_dict.error) {
         error_div = gadget.element.querySelector(".error-message");
         message = "Last Error: ";
+        
+        console.log("CALLING DISPLAY ERROR...");
+        var error_text = displayError(gadget, gadget.state.error);
+        
         if (gadget.state.error.message) {
           message += gadget.state.error.message;
         } else {
@@ -34,6 +123,7 @@
         } else {
           message += " " + modification_dict.error;
         }
+        message += " - ERROR TEXT: " + error_text;
         error_div.textContent = message;
       }
       if (modification_dict.redirect_url) {