diff --git a/angular.json b/angular.json
index 5482a7544c7eb2f297d410be6b225f995c3b1de9..329e6e9b75b2147adfaceaf01cb6a9b4f58a57be 100644
--- a/angular.json
+++ b/angular.json
@@ -33,7 +33,6 @@
               "node_modules/primeng/resources/themes/nova-light/theme.css"
             ],
             "scripts": [
-              "node_modules/chartjs-plugin-zoom/chartjs-plugin-zoom.min.js"
             ],
             "showCircularDependencies": false
           },
diff --git a/browserslist b/browserslist
new file mode 100644
index 0000000000000000000000000000000000000000..80848532e47d58cc7a4b618f600b438960f9f045
--- /dev/null
+++ b/browserslist
@@ -0,0 +1,12 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11 # For IE 9-11 support, remove 'not'.
\ No newline at end of file
diff --git a/jalhyd_branch b/jalhyd_branch
index 19c587308945308f3787a17aee4282c5c6de79df..1f7391f92b6a3792204e07e99f71f643cc35e7e1 100644
--- a/jalhyd_branch
+++ b/jalhyd_branch
@@ -1 +1 @@
-33-ajout-du-calcul-d-une-passe-a-bassin
+master
diff --git a/package-lock.json b/package-lock.json
index c11f7aba2a866be0a1f846fc02b2080f65c30e69..b4e5363b00e659b474b015833fc580b4a59509ac 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,19 +11,19 @@
       "dev": true
     },
     "@angular-devkit/architect": {
-      "version": "0.13.9",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/architect/-/architect-0.13.9.tgz",
-      "integrity": "sha512-EAFtCs9dsGhpMRC45PoYsrkiExpWz9Ax15qXfzwdDRacz5DmdOVt+QpkLW1beUOwiyj/bhFyj23eaONK2RTn/w==",
+      "version": "0.801.1",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/architect/-/architect-0.801.1.tgz",
+      "integrity": "sha512-Y+4kDpZeh+uIr179gbkpRcyeLizd94sC608TM8XQLM2+sgUB9PoW/KBotuED9Rjlvui4yURQm4UU8LnCsNqWSQ==",
       "dev": true,
       "requires": {
-        "@angular-devkit/core": "7.3.9",
-        "rxjs": "6.3.3"
+        "@angular-devkit/core": "8.1.1",
+        "rxjs": "6.4.0"
       },
       "dependencies": {
         "rxjs": {
-          "version": "6.3.3",
-          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.3.3.tgz",
-          "integrity": "sha512-JTWmoY9tWCs7zvIk/CvRjhjGaOd+OVBM987mxFo+OW66cGpdKjZcpmc74ES1sB//7Kl/PAe8+wEakuhG4pcgOw==",
+          "version": "6.4.0",
+          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
+          "integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
           "dev": true,
           "requires": {
             "tslib": "^1.9.0"
@@ -32,62 +32,65 @@
       }
     },
     "@angular-devkit/build-angular": {
-      "version": "0.13.9",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/build-angular/-/build-angular-0.13.9.tgz",
-      "integrity": "sha512-onh07LhdxotDFjja0KKsDWNCwgpM/ymuRr5h0e+vT4AgklP2Uioz1CpzVOgxPIKkdVdGR9QgDinVsWAmY90J8g==",
-      "dev": true,
-      "requires": {
-        "@angular-devkit/architect": "0.13.9",
-        "@angular-devkit/build-optimizer": "0.13.9",
-        "@angular-devkit/build-webpack": "0.13.9",
-        "@angular-devkit/core": "7.3.9",
-        "@ngtools/webpack": "7.3.9",
-        "ajv": "6.9.1",
-        "autoprefixer": "9.4.6",
+      "version": "0.801.1",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/build-angular/-/build-angular-0.801.1.tgz",
+      "integrity": "sha512-t0A0KX++PX74xh113fiSb7g2Vo0P8aJQ0DODHANrgP3Tg21yskx8PhGeY7Lp/11irtfrk3LCDfQYLCgPAsNJFg==",
+      "dev": true,
+      "requires": {
+        "@angular-devkit/architect": "0.801.1",
+        "@angular-devkit/build-optimizer": "0.801.1",
+        "@angular-devkit/build-webpack": "0.801.1",
+        "@angular-devkit/core": "8.1.1",
+        "@ngtools/webpack": "8.1.1",
+        "ajv": "6.10.0",
+        "autoprefixer": "9.6.0",
+        "browserslist": "4.6.3",
+        "caniuse-lite": "1.0.30000979",
         "circular-dependency-plugin": "5.0.2",
         "clean-css": "4.2.1",
-        "copy-webpack-plugin": "4.6.0",
-        "file-loader": "3.0.1",
-        "glob": "7.1.3",
+        "copy-webpack-plugin": "5.0.3",
+        "core-js": "3.1.4",
+        "file-loader": "4.0.0",
+        "glob": "7.1.4",
         "istanbul-instrumenter-loader": "3.0.1",
-        "karma-source-map-support": "1.3.0",
+        "karma-source-map-support": "1.4.0",
         "less": "3.9.0",
-        "less-loader": "4.1.0",
-        "license-webpack-plugin": "2.1.0",
+        "less-loader": "5.0.0",
+        "license-webpack-plugin": "2.1.1",
         "loader-utils": "1.2.3",
-        "mini-css-extract-plugin": "0.5.0",
+        "mini-css-extract-plugin": "0.7.0",
         "minimatch": "3.0.4",
-        "node-sass": "4.12.0",
-        "open": "6.0.0",
+        "open": "6.4.0",
         "parse5": "4.0.0",
-        "postcss": "7.0.14",
+        "postcss": "7.0.17",
         "postcss-import": "12.0.1",
         "postcss-loader": "3.0.0",
         "raw-loader": "1.0.0",
-        "rxjs": "6.3.3",
+        "rxjs": "6.4.0",
+        "sass": "1.22.2",
         "sass-loader": "7.1.0",
-        "semver": "5.6.0",
+        "semver": "6.2.0",
         "source-map-loader": "0.2.4",
-        "source-map-support": "0.5.10",
+        "source-map-support": "0.5.12",
         "speed-measure-webpack-plugin": "1.3.1",
-        "stats-webpack-plugin": "0.7.0",
         "style-loader": "0.23.1",
         "stylus": "0.54.5",
         "stylus-loader": "3.0.2",
-        "terser-webpack-plugin": "1.2.2",
+        "terser-webpack-plugin": "1.3.0",
         "tree-kill": "1.2.1",
-        "webpack": "4.29.0",
-        "webpack-dev-middleware": "3.5.1",
-        "webpack-dev-server": "3.1.14",
+        "webpack": "4.35.2",
+        "webpack-dev-middleware": "3.7.0",
+        "webpack-dev-server": "3.7.2",
         "webpack-merge": "4.2.1",
         "webpack-sources": "1.3.0",
-        "webpack-subresource-integrity": "1.1.0-rc.6"
+        "webpack-subresource-integrity": "1.1.0-rc.6",
+        "worker-plugin": "3.1.0"
       },
       "dependencies": {
         "ajv": {
-          "version": "6.9.1",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.9.1.tgz",
-          "integrity": "sha512-XDN92U311aINL77ieWHmqCcNlwjoP5cHXDxIxbf2MaPYuCXOHS7gHH8jktxeK5omgd52XbSTX6a4Piwd1pQmzA==",
+          "version": "6.10.0",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
+          "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
           "dev": true,
           "requires": {
             "fast-deep-equal": "^2.0.1",
@@ -96,205 +99,39 @@
             "uri-js": "^4.2.2"
           }
         },
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-          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
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-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-          "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
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-          "requires": {
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-            "strip-ansi": "^4.0.0",
-            "wrap-ansi": "^2.0.0"
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+          "version": "6.4.0",
+          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
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+        "cliui": "^4.0.0",
+        "find-up": "^3.0.0",
+        "get-caller-file": "^2.0.1",
+        "os-locale": "^3.1.0",
         "require-directory": "^2.1.1",
-        "require-main-filename": "^1.0.1",
+        "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
-        "string-width": "^1.0.2",
-        "which-module": "^1.0.0",
-        "y18n": "^3.2.1",
-        "yargs-parser": "^5.0.0"
+        "string-width": "^3.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^4.0.0",
+        "yargs-parser": "^13.0.0"
       },
       "dependencies": {
-        "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "get-caller-file": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
+          "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "require-main-filename": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-2.0.0.tgz",
+          "integrity": "sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "dev": true,
-          "optional": true
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
         },
-        "y18n": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
           "dev": true,
-          "optional": true
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
         }
       }
     },
     "yargs-parser": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-      "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
+      "version": "13.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
+      "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
       "dev": true,
-      "optional": true,
       "requires": {
-        "camelcase": "^3.0.0"
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
       },
       "dependencies": {
         "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
-          "dev": true,
-          "optional": true
+          "version": "5.3.1",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+          "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
+          "dev": true
         }
       }
     },
@@ -15240,9 +14566,9 @@
       "dev": true
     },
     "zone.js": {
-      "version": "0.8.29",
-      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.8.29.tgz",
-      "integrity": "sha512-mla2acNCMkWXBD+c+yeUrBUrzOxYMNFdQ6FGfigGGtEVBPJx07BQeJekjt9DmH1FtZek4E9rE1eRR9qQpxACOQ=="
+      "version": "0.9.1",
+      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.9.1.tgz",
+      "integrity": "sha512-GkPiJL8jifSrKReKaTZ5jkhrMEgXbXYC+IPo1iquBjayRa0q86w3Dipjn8b415jpitMExe9lV8iTsv8tk3DGag=="
     }
   }
 }
diff --git a/package.json b/package.json
index 06a58294de0c7861355400f43e9b0e2ab7065a09..f77a59680f2e006ff69365814fd41908f3aa829f 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "release-linux": "npm run build && electron-builder",
     "release-windows": "rd /s /q release & ng build --prod --build-optimizer=false && npm run electron-builder",
     "release-android": "npm run build-cordova && cordova platform add android; rm dist/assets/docs-fr/sitemap.xml.gz && cordova build android && mv platforms/android/app/build/outputs/apk/debug/app-debug.apk release/cassiopee.apk",
-    "e2equick": "ng e2e --dev-server-target= --baseUrl=http://localhost:4200",
+    "e2equick": "ng e2e --dev-server-target=",
     "jalhyd": "rm -f node_modules/jalhyd && cd ../jalhyd && npm run build && cd ../nghyd && npm install ../jalhyd",
     "mathjax": "mkdir -p docs-fr/javascripts/mathjax && rsync -az --delete `cat rsync-mathjax-files` docs-fr/javascripts/mathjax",
     "mkdocs": "npm run mathjax && find docs-fr/javascripts/ -name '*.md' -type f -delete && python3 -m mkdocs build",
@@ -32,18 +32,17 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^7.2.15",
-    "@angular/cdk": "^7.3.7",
-    "@angular/common": "^7.2.15",
-    "@angular/compiler": "^7.2.15",
-    "@angular/core": "^7.2.15",
+    "@angular/animations": "^8.1.1",
+    "@angular/cdk": "^8.1.1",
+    "@angular/common": "^8.1.1",
+    "@angular/compiler": "^8.1.1",
+    "@angular/core": "^8.1.1",
     "@angular/flex-layout": "^7.0.0-beta.24",
-    "@angular/forms": "^7.2.15",
-    "@angular/http": "^7.2.15",
-    "@angular/material": "^7.3.7",
-    "@angular/platform-browser": "^7.2.15",
-    "@angular/platform-browser-dynamic": "^7.2.15",
-    "@angular/router": "^7.2.15",
+    "@angular/forms": "^8.1.1",
+    "@angular/material": "^8.1.1",
+    "@angular/platform-browser": "^8.1.1",
+    "@angular/platform-browser-dynamic": "^8.1.1",
+    "@angular/router": "^8.1.1",
     "@types/pako": "^1.0.1",
     "@types/sprintf-js": "^1.1.2",
     "angular2-chartjs": "^0.5.1",
@@ -58,35 +57,35 @@
     "jalhyd": "file:../jalhyd",
     "material-design-icons": "^3.0.1",
     "mathjax": "^2.7.5",
+    "ngx-konami": "^1.6.0",
     "ngx-material-file-input": "^1.1.1",
-    "ngx-md": "^7.0.0",
+    "ngx-md": "^8.0.0",
     "ngx-webstorage-service": "^4.0.1",
     "pako": "^1.0.10",
     "primeng": "^8.0.1",
     "roboto-fontface": "^0.10.0",
     "rxjs": "^6.5.2",
-    "rxjs-compat": "^6.5.2",
     "screenfull": "^4.2.0",
     "tslib": "^1.10.0",
     "xlsx": "^0.14.3",
-    "zone.js": "^0.8.28"
+    "zone.js": "~0.9.1"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^0.13.9",
-    "@angular/cli": "^7.3.9",
-    "@angular/compiler-cli": "^7.2.15",
-    "@angular/language-service": "^7.2.15",
+    "@angular-devkit/build-angular": "~0.801.1",
+    "@angular/cli": "^8.1.1",
+    "@angular/compiler-cli": "^8.1.1",
+    "@angular/language-service": "^8.1.1",
     "@compodoc/compodoc": "^1.1.10",
     "@types/file-saver": "^2.0.1",
     "@types/jasmine": "^3.3.13",
     "@types/jasminewd2": "^2.0.6",
     "@types/node": "^8.10.50",
-    "codelyzer": "^4.5.0",
+    "codelyzer": "^5.0.1",
     "electron": "^5.0.7",
     "electron-builder": "^20.44.4",
     "jasmine-core": "~3.3.0",
     "jasmine-spec-reporter": "~4.2.1",
-    "karma": "^3.1.4",
+    "karma": "^4.2.0",
     "karma-chrome-launcher": "~2.2.0",
     "karma-cli": "~2.0.0",
     "karma-coverage-istanbul-reporter": "^2.0.5",
@@ -95,7 +94,7 @@
     "protractor": "^5.4.2",
     "ts-node": "~7.0.1",
     "tslint": "^5.18.0",
-    "typescript": "~3.1.1",
+    "typescript": "~3.4.5",
     "webpack-dev-server": "^3.7.2"
   },
   "cordova": {
diff --git a/protractor.conf.js b/protractor.conf.js
index a4cc5bdbab60581670a5612667587e830a0aa818..397f3e4551a31016d51be774ba3a7f2b18ef148b 100644
--- a/protractor.conf.js
+++ b/protractor.conf.js
@@ -21,7 +21,7 @@ exports.config = {
     },
   },
   directConnect: true,
-  baseUrl: 'http://localhost:4201/',
+  baseUrl: 'http://localhost:4200/',
   framework: 'jasmine',
   jasmineNodeOpts: {
     showColors: true,
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 0624e3f4792581d11616c17d06067fb129acce1f..d347f7efd3be6d6a68be0a797b0a7be1b31528cc 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -1,6 +1,9 @@
 import { Component, ApplicationRef, OnInit, OnDestroy, HostListener, ViewChild, ComponentRef } from "@angular/core";
 import { Router, Event, NavigationEnd, ActivationEnd, NavigationStart, NavigationCancel, NavigationError } from "@angular/router";
-import { MatSidenav, MatToolbar, MatDialog, MatIconRegistry } from "@angular/material";
+import { MatDialog } from "@angular/material/dialog";
+import { MatIconRegistry } from "@angular/material/icon";
+import { MatSidenav } from "@angular/material/sidenav";
+import { MatToolbar } from "@angular/material/toolbar";
 import { DomSanitizer } from "@angular/platform-browser";
 
 import { Observer, jalhydDateRev, jalhydVersion, CalculatorType, Session } from "jalhyd";
@@ -31,10 +34,10 @@ import * as pako from "pako";
 })
 export class AppComponent implements OnInit, OnDestroy, Observer {
 
-  @ViewChild("sidenav")
+  @ViewChild("sidenav", { static: false })
   public sidenav: MatSidenav;
 
-  @ViewChild("navbar")
+  @ViewChild("navbar", { static: false })
   public navbar: MatToolbar;
 
   /** current calculator, inferred from _currentFormId by setActiveCalc() (used for navbar menu) */
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index c9ec24010f9eb43f0a83385406b6743c543b3043..19cc15e1ebd009882841e288864fa1c8243e5c56 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -28,6 +28,7 @@ import {
 import { MaterialFileInputModule } from "ngx-material-file-input";
 
 import {TableModule} from "primeng/components/table/table";
+import { KonamiModule } from "ngx-konami";
 
 import { FlexLayoutModule } from "@angular/flex-layout";
 import {
@@ -148,7 +149,8 @@ const appRoutes: Routes = [
       }
     ),
     StorageServiceModule,
-    TableModule
+    TableModule,
+    KonamiModule
   ],
   declarations: [ // composants, pipes et directives
     AppComponent,
diff --git a/src/app/components/app-setup/app-setup.component.html b/src/app/components/app-setup/app-setup.component.html
index 78e9b85eff4b92eff2343f878bcb73129b4be3a6..a8bef4b4c5aee90cc5e2896a7693006d47ae78df 100644
--- a/src/app/components/app-setup/app-setup.component.html
+++ b/src/app/components/app-setup/app-setup.component.html
@@ -75,7 +75,7 @@
         <!-- langue -->
         <mat-form-field>
             <mat-select [placeholder]="uitextLanguage" [(value)]="currentLanguageCode" data-testid="language-select">
-                <mat-option *ngFor="let l of availableLanguages | keyvalue" [value]="l.key">
+                <mat-option *ngFor="let l of availableLanguages | keyvalue" [value]="l.key" [title]="l.value">
                     {{ l.value }}
                 </mat-option>
             </mat-select>
diff --git a/src/app/components/calculator-list/calculator-list.component.html b/src/app/components/calculator-list/calculator-list.component.html
index 1f83baffb89031c11fc161998bfbe66797bd0306..65ea10765799050325d4527513b944282a5db5ab 100644
--- a/src/app/components/calculator-list/calculator-list.component.html
+++ b/src/app/components/calculator-list/calculator-list.component.html
@@ -1,4 +1,4 @@
-<div class="container" fxLayout="row wrap" fxLayoutAlign="space-evenly stretch">
+<div class="container" fxLayout="row wrap" fxLayoutAlign="space-evenly stretch" (konami)="onKC()">
 
     <mat-card class="welcome-card" *ngIf="nbOpenCalculators === 0">
 
diff --git a/src/app/components/calculator-list/calculator-list.component.ts b/src/app/components/calculator-list/calculator-list.component.ts
index c4acb05d66f1251e2ebc8a26f1fa66f927bd9a14..d58d2758e6b4c99f450a63ce4b63589e60513537 100644
--- a/src/app/components/calculator-list/calculator-list.component.ts
+++ b/src/app/components/calculator-list/calculator-list.component.ts
@@ -142,6 +142,13 @@ export class CalculatorListComponent implements OnInit {
         return ServiceFactory.instance.i18nService.localizeText("INFO_WELCOME_CONTENT");
     }
 
+    public onKC() {
+        for (const i of this.items) {
+            i.image.path = "assets/images/themes/sp.jpg";
+            i.image.credits = "lol";
+        }
+    }
+
     // interface Observer
 
     update(sender: any, data: any): void {
diff --git a/src/app/components/calculator-results/calculator-results.component.ts b/src/app/components/calculator-results/calculator-results.component.ts
index 514a8610193c1b94790e133e37eb7f9dad9f1b90..cf74d342c9a1b0027463c2dc3da50c432c415282 100644
--- a/src/app/components/calculator-results/calculator-results.component.ts
+++ b/src/app/components/calculator-results/calculator-results.component.ts
@@ -16,25 +16,25 @@ export class CalculatorResultsComponent implements AfterViewChecked {
     /**
      * composant d'affichage des résultats de paramètres fixés/variables
      */
-    @ViewChild(FixedVarResultsComponent)
+    @ViewChild(FixedVarResultsComponent, { static: true })
     private fixedVarResultsComponent: FixedVarResultsComponent;
 
     /**
      * composant d'affichage des résultats des sections paramétrées
      */
-    @ViewChild(SectionResultsComponent)
+    @ViewChild(SectionResultsComponent, { static: true })
     private sectionResultsComponent: SectionResultsComponent;
 
     /**
      * composant d'affichage des résultats des courbes de remous
      */
-    @ViewChild(RemousResultsComponent)
+    @ViewChild(RemousResultsComponent, { static: true })
     private remousResultsComponent: RemousResultsComponent;
 
     /**
      * composant d'affichage des résultats des passes à bassins
      */
-    @ViewChild(PabResultsComponent)
+    @ViewChild(PabResultsComponent, { static: true })
     private pabResultsComponent: PabResultsComponent;
 
     /**
diff --git a/src/app/components/canvas/canvas.component.ts b/src/app/components/canvas/canvas.component.ts
index 87f03401c937fbd34b0327fe9e225771d3db78e4..99d70c53cfc9bd9bb0d019246cdbed98eba2a74a 100644
--- a/src/app/components/canvas/canvas.component.ts
+++ b/src/app/components/canvas/canvas.component.ts
@@ -34,7 +34,7 @@ export class CalcCanvasComponent implements AfterViewInit {
 
     private _context2d: CanvasRenderingContext2D;
 
-    @ViewChild("canvas")
+    @ViewChild("canvas", { static: false })
     private _calcCanvas: ElementRef;
 
     ngAfterViewInit() { // wait for the view to init before using the element
diff --git a/src/app/components/dialog-confirm-close-calc/dialog-confirm-close-calc.component.ts b/src/app/components/dialog-confirm-close-calc/dialog-confirm-close-calc.component.ts
index 67418859a1c738de1a2aead5fb461671d37f818a..500031bf725adf030a64dd7be841b3b570adb3cc 100644
--- a/src/app/components/dialog-confirm-close-calc/dialog-confirm-close-calc.component.ts
+++ b/src/app/components/dialog-confirm-close-calc/dialog-confirm-close-calc.component.ts
@@ -1,4 +1,4 @@
-import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material";
+import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material/dialog";
 import { Inject, Component } from "@angular/core";
 import { FormulaireService } from "../../services/formulaire/formulaire.service";
 import { I18nService } from "../../services/internationalisation/internationalisation.service";
diff --git a/src/app/components/dialog-confirm-empty-session/dialog-confirm-empty-session.component.ts b/src/app/components/dialog-confirm-empty-session/dialog-confirm-empty-session.component.ts
index baae6b5b0bfe7f7721a9f63e863352179188bec4..ff13f443e369c1ef947bc89f866825db4175b0f6 100644
--- a/src/app/components/dialog-confirm-empty-session/dialog-confirm-empty-session.component.ts
+++ b/src/app/components/dialog-confirm-empty-session/dialog-confirm-empty-session.component.ts
@@ -1,4 +1,4 @@
-import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material";
+import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material/dialog";
 import { Inject, Component } from "@angular/core";
 import { I18nService } from "../../services/internationalisation/internationalisation.service";
 
diff --git a/src/app/components/dialog-edit-pab/dialog-edit-pab.component.html b/src/app/components/dialog-edit-pab/dialog-edit-pab.component.html
index 8674eb361f97173fe01467f1e8a70671864751e7..c5658d7f41095ce626f2b91b61f896ca1cdfde95 100644
--- a/src/app/components/dialog-edit-pab/dialog-edit-pab.component.html
+++ b/src/app/components/dialog-edit-pab/dialog-edit-pab.component.html
@@ -12,7 +12,7 @@
     <!-- champ à modifier -->
     <mat-form-field class="select-form-field">
       <mat-select [placeholder]="uitextVariable" [(value)]="variable">
-          <mat-option *ngFor="let v of availableVariables" [value]="v.value">
+          <mat-option *ngFor="let v of availableVariables" [value]="v.value" [title]="v.label">
               {{ v.label }}
           </mat-option>
       </mat-select>
diff --git a/src/app/components/dialog-edit-param-computed/dialog-edit-param-computed.component.ts b/src/app/components/dialog-edit-param-computed/dialog-edit-param-computed.component.ts
index 5321f476f84fec449f58c0fb597e4e74f4f31b92..373ef709df826bfb26c0fa6fefd61e9d27a157b5 100644
--- a/src/app/components/dialog-edit-param-computed/dialog-edit-param-computed.component.ts
+++ b/src/app/components/dialog-edit-param-computed/dialog-edit-param-computed.component.ts
@@ -14,7 +14,7 @@ export class DialogEditParamComputedComponent implements OnInit {
     /** the related parameter to change the "fixed" value of */
     public param: NgParameter;
 
-    @ViewChild(NgParamInputComponent)
+    @ViewChild(NgParamInputComponent, { static: true })
     private _ngParamInputComponent: NgParamInputComponent;
 
     constructor(
diff --git a/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.html b/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.html
index 011f1f7d6e5ba24e972c008063a4d9131205a3eb..6c6da31db5a2ad04e39a40df39afb3bae993f58b 100644
--- a/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.html
+++ b/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.html
@@ -103,7 +103,7 @@
     <mat-form-field>
       <mat-select [placeholder]="uitextExtensionStrategy" [(value)]="selectedExtensionStrategy"
         data-testid="variable-extension-strategy-select">
-          <mat-option *ngFor="let e of extensionStrategies" [value]="e.value">
+          <mat-option *ngFor="let e of extensionStrategies" [value]="e.value" [title]="e.label">
               {{ e.label }}
           </mat-option>
       </mat-select>
diff --git a/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.scss b/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.scss
index 0ffd355d6448f01b32eac82575ee4dba7d17a7d4..05575407c07a5342926b0ae3c43c47fcaa1e4e25 100644
--- a/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.scss
+++ b/src/app/components/dialog-edit-param-values/dialog-edit-param-values.component.scss
@@ -5,6 +5,7 @@ mat-form-field {
     textarea {
         font-size: .8em;
         max-height: 100px;
+        padding: 0;
     }
 
     mat-error {
diff --git a/src/app/components/dialog-load-session/dialog-load-session.component.ts b/src/app/components/dialog-load-session/dialog-load-session.component.ts
index 117444a1c093aeeb20c45c954fb3aa3e81f4c032..382e00cdbf5c86507577c81d669f89a68f5e021a 100644
--- a/src/app/components/dialog-load-session/dialog-load-session.component.ts
+++ b/src/app/components/dialog-load-session/dialog-load-session.component.ts
@@ -1,4 +1,4 @@
-import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material";
+import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material/dialog";
 import { Inject, Component } from "@angular/core";
 
 import { config } from "jalhyd";
diff --git a/src/app/components/dialog-save-session/dialog-save-session.component.ts b/src/app/components/dialog-save-session/dialog-save-session.component.ts
index 425c5f5ed09046dde490187c875df3adb51d85f3..f29244bff976dbc0dbc8d9c5944cf96e9b9ea46e 100644
--- a/src/app/components/dialog-save-session/dialog-save-session.component.ts
+++ b/src/app/components/dialog-save-session/dialog-save-session.component.ts
@@ -1,4 +1,4 @@
-import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material";
+import { MatDialogRef, MAT_DIALOG_DATA } from "@angular/material/dialog";
 import { Inject, Component } from "@angular/core";
 import { I18nService } from "../../services/internationalisation/internationalisation.service";
 
diff --git a/src/app/components/field-set/field-set.component.ts b/src/app/components/field-set/field-set.component.ts
index b377317bb696c0eae92788d0b9cde7031ef76a52..e12bb9d4c9bd5cfb6c5bc8f10f7ad361037bdd64 100644
--- a/src/app/components/field-set/field-set.component.ts
+++ b/src/app/components/field-set/field-set.component.ts
@@ -228,7 +228,7 @@ export class FieldSetComponent implements DoCheck {
 
         if (this._paramComponents) {
             paramsAreValid = false;
-            paramsAreValid = this._paramComponents.reduce(
+            paramsAreValid = this._paramComponents.reduce<boolean>(
                 // callback
                 (
                     // accumulator (valeur précédente du résultat)
@@ -239,7 +239,7 @@ export class FieldSetComponent implements DoCheck {
                     currIndex,
                     // array (tableau parcouru)
                     array
-                ) => {
+                ): boolean => {
                     return acc && param.isValid;
                 }
                 // valeur initiale
@@ -248,7 +248,7 @@ export class FieldSetComponent implements DoCheck {
 
         if (this._selectModelComponents) {
             selectAreValid = false;
-            selectAreValid = this._selectModelComponents.reduce(
+            selectAreValid = this._selectModelComponents.reduce<boolean>(
                 // callback
                 (
                     // accumulator (valeur précédente du résultat)
@@ -259,7 +259,7 @@ export class FieldSetComponent implements DoCheck {
                     currIndex,
                     // array (tableau parcouru)
                     array
-                ) => {
+                ): boolean => {
                     return acc && select.isValid;
                 }
                 // valeur initiale
diff --git a/src/app/components/fixedvar-results/fixed-results.component.ts b/src/app/components/fixedvar-results/fixed-results.component.ts
index 61569300d9cbaf82cd6c8bcd1551274dfeb8925d..4a95346548c43d1a535070758790f75d2f693c37 100644
--- a/src/app/components/fixedvar-results/fixed-results.component.ts
+++ b/src/app/components/fixedvar-results/fixed-results.component.ts
@@ -20,7 +20,8 @@ export class FixedResultsComponent {
     /** résultats non mis en forme */
     private _fixedResults: FixedResults;
 
-    @ViewChild("tableContainer") table: ElementRef;
+    @ViewChild("tableContainer", { static: false })
+    table: ElementRef;
 
     public tableColumns = [ "parametre", "valeur" ];
 
diff --git a/src/app/components/fixedvar-results/fixedvar-results.component.ts b/src/app/components/fixedvar-results/fixedvar-results.component.ts
index 8beb3a78d380a6ed772cc4496b06b81c70ae3c38..d5d9c85cc78079954997e8cebc90fec2abe65563 100644
--- a/src/app/components/fixedvar-results/fixedvar-results.component.ts
+++ b/src/app/components/fixedvar-results/fixedvar-results.component.ts
@@ -30,22 +30,22 @@ export class FixedVarResultsComponent implements DoCheck {
      */
     private _doUpdate = false;
 
-    @ViewChild(FixedResultsComponent)
+    @ViewChild(FixedResultsComponent, { static: false })
     private fixedResultsComponent: FixedResultsComponent;
 
-    @ViewChild(VarResultsComponent)
+    @ViewChild(VarResultsComponent, { static: false })
     private varResultsComponent: VarResultsComponent;
 
     /**
      * composant journal
      */
-    @ViewChild(LogComponent)
+    @ViewChild(LogComponent, { static: false })
     private logComponent: LogComponent;
 
     /**
      * graphique dans le cas d'un paramètre à varier
      */
-    @ViewChild(ResultsGraphComponent)
+    @ViewChild(ResultsGraphComponent, { static: false })
     private resultsGraphComponent: ResultsGraphComponent;
 
     constructor(
@@ -69,7 +69,9 @@ export class FixedVarResultsComponent implements DoCheck {
     }
 
     public updateView() {
-        this.logComponent.log = undefined;
+        if (this.logComponent) {
+            this.logComponent.log = undefined;
+        }
         if (this.fixedResultsComponent) {
             this.fixedResultsComponent.results = undefined;
         }
diff --git a/src/app/components/fixedvar-results/var-results.component.ts b/src/app/components/fixedvar-results/var-results.component.ts
index 6a1e67b474b81808743361791f8d73fa2ab52aee..44c6957659f74470b3410d8d2e4c06d9ad3b266f 100644
--- a/src/app/components/fixedvar-results/var-results.component.ts
+++ b/src/app/components/fixedvar-results/var-results.component.ts
@@ -35,7 +35,8 @@ export class VarResultsComponent extends ResultsComponent {
     /** messages de log issus des résultats variés */
     protected _messages: Message[];
 
-    @ViewChild("tableContainer") table: ElementRef;
+    @ViewChild("tableContainer", { static: false })
+    table: ElementRef;
 
     constructor(
         protected appSetupService: ApplicationSetupService,
diff --git a/src/app/components/generic-calculator/calculator.component.ts b/src/app/components/generic-calculator/calculator.component.ts
index 34a300783148b1f92aa39b35650195a0e357fd4a..faec11c44755563e96b6c264c374ed6616621622 100644
--- a/src/app/components/generic-calculator/calculator.component.ts
+++ b/src/app/components/generic-calculator/calculator.component.ts
@@ -44,19 +44,19 @@ export class GenericCalculatorComponent extends BaseComponent implements OnInit,
     /**
      * PabTableComponent if any
      */
-    @ViewChild(PabTableComponent)
+    @ViewChild(PabTableComponent, { static: false })
     private _pabTableComponent: PabTableComponent;
 
     /**
      * composant d'affichage des résultats
      */
-    @ViewChild(CalculatorResultsComponent)
+    @ViewChild(CalculatorResultsComponent, { static: true })
     private resultsComponent: CalculatorResultsComponent;
 
     /**
      * composant "nom du module de calcul"
      */
-    @ViewChild(CalculatorNameComponent)
+    @ViewChild(CalculatorNameComponent, { static: true })
     private _calculatorNameComponent: CalculatorNameComponent;
 
     /**
@@ -360,7 +360,7 @@ export class GenericCalculatorComponent extends BaseComponent implements OnInit,
         }
 
         if (this._fieldsetContainerComponents !== undefined) {
-            this._isUIValid = this._isUIValid && this._fieldsetContainerComponents.reduce(
+            this._isUIValid = this._isUIValid && this._fieldsetContainerComponents.reduce<boolean>(
                 // callback
                 (
                     // accumulator (valeur précédente du résultat)
@@ -371,7 +371,7 @@ export class GenericCalculatorComponent extends BaseComponent implements OnInit,
                     currIndex,
                     // array (tableau parcouru)
                     array
-                ) => {
+                ): boolean => {
                     return acc && fieldsetContainer.isValid;
                 }
                 // valeur initiale
diff --git a/src/app/components/generic-input/generic-input.component.ts b/src/app/components/generic-input/generic-input.component.ts
index 19232853b2f118725cbeebfc2d25bbb18fadbe41..3ed95a301ac7b3a2b62e37fd302df7e3be38ca99 100644
--- a/src/app/components/generic-input/generic-input.component.ts
+++ b/src/app/components/generic-input/generic-input.component.ts
@@ -100,7 +100,8 @@ export abstract class GenericInputComponent extends BaseComponent implements OnC
      */
     private _errorMessageModel: string;
 
-    @ViewChild("inputControl") inputField: NgModel;
+    @ViewChild("inputControl", { static: true })
+    inputField: NgModel;
 
     constructor(private cdRef: ChangeDetectorRef, protected intlService: I18nService) {
         super();
diff --git a/src/app/components/generic-select/generic-select.component.html b/src/app/components/generic-select/generic-select.component.html
index 005ac94275da7445a5a27dbeb24435e2060e82fd..f4200c534ad9b3c53ebe245ca38cc7c82e051a16 100644
--- a/src/app/components/generic-select/generic-select.component.html
+++ b/src/app/components/generic-select/generic-select.component.html
@@ -1,6 +1,6 @@
 <mat-form-field>
     <mat-select [id]="selectId" [placeholder]="label" [(value)]="selectedValue">
-        <mat-option *ngFor="let e of entries" [value]="e">
+        <mat-option *ngFor="let e of entries" [value]="e" [title]="entryLabel(e)">
             {{ entryLabel(e) }}
         </mat-option>
     </mat-select>
diff --git a/src/app/components/pab-profile-graph/pab-profile-graph.component.ts b/src/app/components/pab-profile-graph/pab-profile-graph.component.ts
index a6689110f4804d3782793e66a5707f2783fb7585..f6cb671dabcaf5949da196878abb7699d72cd5f8 100644
--- a/src/app/components/pab-profile-graph/pab-profile-graph.component.ts
+++ b/src/app/components/pab-profile-graph/pab-profile-graph.component.ts
@@ -16,7 +16,7 @@ import { PabResults } from "../../results/pab-results";
 })
 export class PabProfileGraphComponent extends ResultsComponent {
 
-    @ViewChild(ChartComponent)
+    @ViewChild(ChartComponent, { static: false })
     private chartComponent;
 
     private _results: PabResults;
diff --git a/src/app/components/pab-results/pab-results-table.component.ts b/src/app/components/pab-results/pab-results-table.component.ts
index cd7cba2d41ae8736f187de2454a6c5e12046e3c6..45360d96f0da0f4edf4aff6ca307a1a429cfb317 100644
--- a/src/app/components/pab-results/pab-results-table.component.ts
+++ b/src/app/components/pab-results/pab-results-table.component.ts
@@ -27,7 +27,8 @@ export class PabResultsTableComponent extends ResultsComponent {
     /** résultats mis en forme */
     private _dataSet: any[];
 
-    @ViewChild("tableContainer") table: ElementRef;
+    @ViewChild("tableContainer", { static: false })
+    table: ElementRef;
 
     constructor(
         protected appSetupService: ApplicationSetupService,
diff --git a/src/app/components/pab-results/pab-results.component.ts b/src/app/components/pab-results/pab-results.component.ts
index ff73e62cbe9c14ca7c584acf7be3e4a19566cb11..4c3418eabceb9d80f811a8a5d1bdc4525037a396 100644
--- a/src/app/components/pab-results/pab-results.component.ts
+++ b/src/app/components/pab-results/pab-results.component.ts
@@ -33,22 +33,22 @@ export class PabResultsComponent implements DoCheck {
     /** true si les résultats doiventt être remis à jour */
     private _doUpdate = false;
 
-    @ViewChild(PabResultsTableComponent)
+    @ViewChild(PabResultsTableComponent, { static: false })
     private pabResultsTableComponent: PabResultsTableComponent;
 
-    @ViewChild(PabVariableResultsSelectorComponent)
+    @ViewChild(PabVariableResultsSelectorComponent, { static: false })
     private pabVariableResultsSelectorComponent: PabVariableResultsSelectorComponent;
 
-    @ViewChild("generalLog")
+    @ViewChild("generalLog", { static: false })
     private generalLogComponent: LogComponent;
 
-    @ViewChild("iterationLog")
+    @ViewChild("iterationLog", { static: false })
     private iterationLogComponent: LogComponent;
 
-    @ViewChild(ResultsGraphComponent)
+    @ViewChild(ResultsGraphComponent, { static: false })
     private resultsGraphComponent: ResultsGraphComponent;
 
-    @ViewChild(PabProfileGraphComponent)
+    @ViewChild(PabProfileGraphComponent, { static: false })
     private profileGraphComponent: PabProfileGraphComponent;
 
     constructor(
@@ -76,8 +76,12 @@ export class PabResultsComponent implements DoCheck {
     }
 
     public updateView() {
-        this.iterationLogComponent.log = undefined;
-        this.generalLogComponent.log = undefined;
+        if (this.iterationLogComponent) {
+            this.iterationLogComponent.log = undefined;
+        }
+        if (this.generalLogComponent) {
+            this.generalLogComponent.log = undefined;
+        }
         if (this.pabResultsTableComponent) {
             this.pabResultsTableComponent.results = undefined;
         }
diff --git a/src/app/components/pab-results/pab-variable-results-selector.component.html b/src/app/components/pab-results/pab-variable-results-selector.component.html
index a6cc6df2405b9cec9f568f12a04806d39e4ca02d..c02043692cc2442431ade75b674fd2882e32ac30 100644
--- a/src/app/components/pab-results/pab-variable-results-selector.component.html
+++ b/src/app/components/pab-results/pab-variable-results-selector.component.html
@@ -2,7 +2,7 @@
     <div fxFlex="1 1 100%">
         <mat-form-field>
             <mat-select id="pab-variating-element" [placeholder]="label" [(value)]="selectedValue">
-                <mat-option *ngFor="let e of entries" [value]="e">
+                <mat-option *ngFor="let e of entries" [value]="e" [title]="entryLabel(e)">
                     {{ entryLabel(e) }}
                 </mat-option>
             </mat-select>
diff --git a/src/app/components/pab-table/pab-table.component.html b/src/app/components/pab-table/pab-table.component.html
index cad53037f9604d71da3ab605a23c8b0e7f4009c3..d6d6d956b811313f53dc0aff0c6fbabe2f1847b3 100644
--- a/src/app/components/pab-table/pab-table.component.html
+++ b/src/app/components/pab-table/pab-table.component.html
@@ -89,7 +89,7 @@
                     <mat-select #selectWidget *ngIf="isSelect(cell)" [value]="cell.modelValue"
                       (selectionChange)="loiDebitSelected($event, cell)">
 
-                        <mat-option *ngFor="let opt of cell.options" [value]="opt.value">
+                        <mat-option *ngFor="let opt of cell.options" [value]="opt.value" [title]="opt.label">
                             {{ opt.label }}
                         </mat-option>
                     </mat-select>
diff --git a/src/app/components/pab-table/pab-table.component.ts b/src/app/components/pab-table/pab-table.component.ts
index 2981fb7035587b2a8a1910c9b336779b1fc4b51e..139505fd4c4beae323f554ae2109b979a636cc0c 100644
--- a/src/app/components/pab-table/pab-table.component.ts
+++ b/src/app/components/pab-table/pab-table.component.ts
@@ -12,7 +12,8 @@ import {
     Structure,
     ParallelStructure,
     ParamDefinition,
-    round
+    round,
+    CloisonAval
  } from "jalhyd";
 
  import { sprintf } from "sprintf-js";
@@ -791,6 +792,28 @@ export class PabTableComponent implements AfterViewInit, OnInit {
         return ok;
     }
 
+    /**
+     * Returns true if there is at least one selected item,
+     * all selected items are devices, and belong to the same column
+     */
+    private onlyDevicesOfTheSameColumnAreSelected() {
+        let ok = false;
+        let columnIndex: number;
+        if (this.selectedItems.length > 0) {
+            ok = true;
+            for (const s of this.selectedItems) {
+                if (s instanceof Structure) {
+                    const ci = s.findPositionInParent();
+                    ok = ok && (columnIndex === undefined || columnIndex === ci);
+                    columnIndex = ci;
+                } else {
+                    ok = false;
+                }
+            }
+        }
+        return ok;
+    }
+
     /**
      * Returns true if there is at least one selected item,
      * and all selected items are walls
@@ -825,21 +848,22 @@ export class PabTableComponent implements AfterViewInit, OnInit {
 
     public get enableAddButton() {
         return (
-            this.selectedItems.length === 1
-            && this.selectedItem.parent // exclude downwall
+            this.onlyDevicesOfTheSameColumnAreSelected()
+            || (
+                this.selectedItems.length === 1
+                && ! (this.selectedItem instanceof CloisonAval) // exclude downwall
+            )
         );
     }
 
     public get enableCopyButton() {
-        return (
-            this.selectedItems.length === 1
-            && this.selectedItem.parent // exclude downwall
-        );
+        return this.enableAddButton;
     }
 
     public get enableUpButton() {
         return (
             this.selectedItems.length === 1
+            && ! (this.selectedItem instanceof CloisonAval) // exclude downwall
             && this.selectedItem.parent
             && this.selectedItem.findPositionInParent() !== 0
         );
@@ -848,6 +872,7 @@ export class PabTableComponent implements AfterViewInit, OnInit {
     public get enableDownButton() {
         return (
             this.selectedItems.length === 1
+            && ! (this.selectedItem instanceof CloisonAval) // exclude downwall
             && this.selectedItem.parent
             && this.selectedItem.findPositionInParent() < (this.selectedItem.parent.getChildren().length - 1)
         );
@@ -856,6 +881,7 @@ export class PabTableComponent implements AfterViewInit, OnInit {
     public get enableRemoveButton() {
         return (
             this.selectedItems.length === 1
+            && ! (this.selectedItem instanceof CloisonAval) // exclude downwall
             && this.selectedItem.parent
             && this.selectedItem.parent.getChildren().length > 1
         );
@@ -877,32 +903,34 @@ export class PabTableComponent implements AfterViewInit, OnInit {
     public onAddClick() {
         // add default item
         for (let i = 0; i < this.childrenToAdd; i++) {
-            if (this.selectedItem instanceof Structure) {
-                // add new default device for wall parent
-                const newDevice = Session.getInstance().createNub(
-                    new Props({
-                        calcType: CalculatorType.Structure,
-                        loiDebit: (this.selectedItem.parent as ParallelStructure).getDefaultLoiDebit()
-                    })
-                );
-                this.selectedItem.parent.addChild(newDevice, this.selectedItem.findPositionInParent());
+            for (const si of this.selectedItems) {
+                if (si instanceof Structure) {
+                    // add new default device for wall parent
+                    const newDevice = Session.getInstance().createNub(
+                        new Props({
+                            calcType: CalculatorType.Structure,
+                            loiDebit: (si.parent as ParallelStructure).getDefaultLoiDebit()
+                        })
+                    );
+                    si.parent.addChild(newDevice, si.findPositionInParent());
 
-            } else {
-                // add new default wall for PAB parent
-                const newWall = Session.getInstance().createNub(
-                    new Props({
-                        calcType: CalculatorType.Cloisons
-                    })
-                );
-                // add new default device for new wall
-                const newDevice = Session.getInstance().createNub(
-                    new Props({
-                        calcType: CalculatorType.Structure,
-                        loiDebit: (newWall as ParallelStructure).getDefaultLoiDebit()
-                    })
-                );
-                newWall.addChild(newDevice);
-                this.model.addChild(newWall, this.selectedItem.findPositionInParent());
+                } else {
+                    // add new default wall for PAB parent
+                    const newWall = Session.getInstance().createNub(
+                        new Props({
+                            calcType: CalculatorType.Cloisons
+                        })
+                    );
+                    // add new default device for new wall
+                    const newDevice = Session.getInstance().createNub(
+                        new Props({
+                            calcType: CalculatorType.Structure,
+                            loiDebit: (newWall as ParallelStructure).getDefaultLoiDebit()
+                        })
+                    );
+                    newWall.addChild(newDevice);
+                    this.model.addChild(newWall, si.findPositionInParent());
+                }
             }
         }
         this.refresh();
@@ -910,17 +938,18 @@ export class PabTableComponent implements AfterViewInit, OnInit {
         // notify
         const pos = this.selectedItem.findPositionInParent() + 1;
         let msg: string;
-        if (this.childrenToAdd === 1) {
+        if (this.childrenToAdd === 1 && this.selectedItems.length === 1) {
             if (this.selectedItem instanceof Structure) {
-                msg = sprintf(this.i18nService.localizeText("INFO_DEVICE_ADDED"), pos);
+                msg = this.i18nService.localizeText("INFO_DEVICE_ADDED");
             } else {
-                msg = sprintf(this.i18nService.localizeText("INFO_WALL_ADDED"), pos);
+                msg = this.i18nService.localizeText("INFO_WALL_ADDED");
             }
         } else {
+            const size = (this.childrenToAdd * this.selectedItems.length);
             if (this.selectedItem instanceof Structure) {
-                msg = sprintf(this.i18nService.localizeText("INFO_DEVICE_ADDED_N_TIMES"), this.childrenToAdd);
+                msg = sprintf(this.i18nService.localizeText("INFO_DEVICE_ADDED_N_TIMES"), size);
             } else {
-                msg = sprintf(this.i18nService.localizeText("INFO_WALL_ADDED_N_TIMES"), this.childrenToAdd);
+                msg = sprintf(this.i18nService.localizeText("INFO_WALL_ADDED_N_TIMES"), size);
             }
         }
         this.notifService.notify(msg);
@@ -931,54 +960,57 @@ export class PabTableComponent implements AfterViewInit, OnInit {
     public onCopyClick() {
         // cloned selected item
         for (let i = 0; i < this.childrenToAdd; i++) {
-            const newChild = Session.getInstance().createNub(
-                this.selectedItem.properties.clone(),
-                this.selectedItem.parent
-            );
-            // copy parameter values
-            for (const p of this.selectedItem.prms) {
-                newChild.getParameter(p.symbol).singleValue = p.singleValue;
-            }
-            // copy children
-            if (this.selectedItem instanceof ParallelStructure) {
-                for (const c of this.selectedItem.getChildren()) {
-                    const newGrandChild = Session.getInstance().createNub(
-                        c.properties.clone(),
-                        newChild
-                    );
-                    // copy children parameters values
-                    for (const p of c.prms) {
-                        newGrandChild.getParameter(p.symbol).singleValue = p.singleValue;
+            for (const si of this.selectedItems) {
+                const newChild = Session.getInstance().createNub(
+                    si.properties.clone(),
+                    si.parent
+                );
+                // copy parameter values
+                for (const p of si.prms) {
+                    newChild.getParameter(p.symbol).singleValue = p.singleValue;
+                }
+                // copy children
+                if (si instanceof ParallelStructure) {
+                    for (const c of si.getChildren()) {
+                        const newGrandChild = Session.getInstance().createNub(
+                            c.properties.clone(),
+                            newChild
+                        );
+                        // copy children parameters values
+                        for (const p of c.prms) {
+                            newGrandChild.getParameter(p.symbol).singleValue = p.singleValue;
+                        }
+                        // add to parent
+                        newChild.addChild(
+                            newGrandChild,
+                            c.findPositionInParent()
+                        );
                     }
-                    // add to parent
-                    newChild.addChild(
-                        newGrandChild,
-                        c.findPositionInParent()
-                    );
                 }
+                // add to parent
+                si.parent.addChild(
+                    newChild,
+                    si.findPositionInParent()
+                );
             }
-            // add to parent
-            this.selectedItem.parent.addChild(
-                newChild,
-                this.selectedItem.findPositionInParent()
-            );
         }
         this.refresh();
 
         // notify
         const pos = this.selectedItem.findPositionInParent() + 1;
         let msg: string;
-        if (this.childrenToAdd === 1) {
+        if (this.childrenToAdd === 1 && this.selectedItems.length === 1) {
             if (this.selectedItem instanceof Structure) {
                 msg = sprintf(this.i18nService.localizeText("INFO_DEVICE_COPIED"), pos);
             } else {
                 msg = sprintf(this.i18nService.localizeText("INFO_WALL_COPIED"), pos);
             }
         } else {
+            const size = (this.childrenToAdd * this.selectedItems.length);
             if (this.selectedItem instanceof Structure) {
-                msg = sprintf(this.i18nService.localizeText("INFO_DEVICE_COPIED_N_TIMES"), pos, this.childrenToAdd);
+                msg = sprintf(this.i18nService.localizeText("INFO_DEVICE_COPIED_N_TIMES"), pos, size);
             } else {
-                msg = sprintf(this.i18nService.localizeText("INFO_WALL_COPIED_N_TIMES"), pos, this.childrenToAdd);
+                msg = sprintf(this.i18nService.localizeText("INFO_WALL_COPIED_N_TIMES"), pos, size);
             }
         }
         this.notifService.notify(msg);
diff --git a/src/app/components/param-field-line/param-field-line.component.ts b/src/app/components/param-field-line/param-field-line.component.ts
index 5b105c01f1cb6385820c999c2741629b22654c0d..ecbbbeb482b79f63f2190f185adf95fc4d78f19c 100644
--- a/src/app/components/param-field-line/param-field-line.component.ts
+++ b/src/app/components/param-field-line/param-field-line.component.ts
@@ -87,16 +87,13 @@ export class ParamFieldLineComponent implements OnChanges {
     @Input()
     public param: NgParameter;
 
-    @ViewChild(NgParamInputComponent)
+    @ViewChild(NgParamInputComponent, { static: true })
     private _ngParamInputComponent: NgParamInputComponent;
 
-    @ViewChild(ParamComputedComponent)
-    private _paramComputedComponent: ParamComputedComponent;
-
-    @ViewChild(ParamValuesComponent)
+    @ViewChild(ParamValuesComponent, { static: false })
     private _paramValuesComponent: ParamValuesComponent;
 
-    @ViewChild(ParamLinkComponent)
+    @ViewChild(ParamLinkComponent, { static: false })
     private _paramLinkComponent: ParamLinkComponent;
 
     @Output()
diff --git a/src/app/components/param-link/param-link.component.html b/src/app/components/param-link/param-link.component.html
index aeba66357b7496e361e42d558fb9e26bc901d00c..eadf8016d6605a44f66637798ec6342b4f030941 100644
--- a/src/app/components/param-link/param-link.component.html
+++ b/src/app/components/param-link/param-link.component.html
@@ -1,7 +1,7 @@
 <mat-form-field>
     <mat-select [id]="selectId" [name]="selectId" [placeholder]="param.title"
         [(ngModel)]="currentLinkedParam" required>
-        <mat-option *ngFor="let e of linkableParams" [value]="e">
+        <mat-option *ngFor="let e of linkableParams" [value]="e" [title]="selectItemLabel(e)">
             {{ selectItemLabel(e) }}
         </mat-option>
     </mat-select>
diff --git a/src/app/components/remous-results/remous-results.component.ts b/src/app/components/remous-results/remous-results.component.ts
index 7c21d05d68245d81c103bb29f6f95b695904f4a8..610dbbeeb11bad93b1c2e0068931df166ecad7ce 100644
--- a/src/app/components/remous-results/remous-results.component.ts
+++ b/src/app/components/remous-results/remous-results.component.ts
@@ -226,13 +226,13 @@ export class RemousResultsComponent extends ResultsComponent implements DoCheck
     /**
      * composant des résultats variables
      */
-    @ViewChild(VarResultsComponent)
+    @ViewChild(VarResultsComponent, { static: false })
     private varResultsComponent: VarResultsComponent;
 
     /**
      * composant journal
      */
-    @ViewChild(LogComponent)
+    @ViewChild(LogComponent, { static: false })
     private logComponent: LogComponent;
 
     constructor(
diff --git a/src/app/components/results-graph/results-graph.component.html b/src/app/components/results-graph/results-graph.component.html
index 1c15bdcc25844e4fcb2681d0ed6559a9757eb38d..50024d806d5cfa794c3279ef6cc0fe975acea5a1 100644
--- a/src/app/components/results-graph/results-graph.component.html
+++ b/src/app/components/results-graph/results-graph.component.html
@@ -26,7 +26,7 @@
 <div class="select-x-y-axis" fxLayout="row wrap" fxLayoutAlign="space-between start">
     <mat-form-field fxFlex.gt-xs="1 0 auto" fxFlex.lt-sm="1 0 100%">
         <mat-select id="selectX" [placeholder]="uitextSelectX" [(value)]="chartX">
-            <mat-option *ngFor="let x of availableChartAxis" [value]="x">
+            <mat-option *ngFor="let x of availableChartAxis" [value]="x" [title]="getChartAxisLabel(x)">
                 {{ getChartAxisLabel(x) }}
             </mat-option>
         </mat-select>
@@ -36,7 +36,7 @@
 
     <mat-form-field fxFlex.gt-xs="1 0 auto" fxFlex.lt-sm="1 0 100%">
         <mat-select id="selectY" [placeholder]="uitextSelectY" [(value)]="chartY">
-            <mat-option *ngFor="let y of availableChartAxis" [value]="y">
+            <mat-option *ngFor="let y of availableChartAxis" [value]="y" [title]="getChartAxisLabel(y)">
                 {{ getChartAxisLabel(y) }}
             </mat-option>
         </mat-select>
diff --git a/src/app/components/results-graph/results-graph.component.ts b/src/app/components/results-graph/results-graph.component.ts
index 0edf3e57c99ed46506e76d4c8f9e9b97db46f811..6ea796e94b9161eac14c5bc545e51089afc5ab8d 100644
--- a/src/app/components/results-graph/results-graph.component.ts
+++ b/src/app/components/results-graph/results-graph.component.ts
@@ -20,7 +20,7 @@ import { ResultsComponent } from "../fixedvar-results/results.component";
 })
 export class ResultsGraphComponent extends ResultsComponent implements AfterContentInit, Observer {
 
-    @ViewChild(ChartComponent)
+    @ViewChild(ChartComponent, { static: false })
     private chartComponent;
 
     private _results: PlottableData;
@@ -30,7 +30,7 @@ export class ResultsGraphComponent extends ResultsComponent implements AfterCont
 
     private _zoomWasChanged = false;
 
-    @ViewChild(GraphTypeSelectComponent)
+    @ViewChild(GraphTypeSelectComponent, { static: true }) // true, or else adding observer will fail in ngAfterContentInit()
     private _graphTypeComponent: GraphTypeSelectComponent;
 
     /*
diff --git a/src/app/components/section-canvas/section-canvas.component.ts b/src/app/components/section-canvas/section-canvas.component.ts
index 788528b8efed691b945c9e0bd82419c6715e096a..3b9230e3d1e6211f76bad2253d6ab11d6d527c81 100644
--- a/src/app/components/section-canvas/section-canvas.component.ts
+++ b/src/app/components/section-canvas/section-canvas.component.ts
@@ -42,7 +42,7 @@ export class SectionCanvasComponent {
     // tirants
     private _levels: Object[] = [];
 
-    @ViewChild("calcCanvas")
+    @ViewChild("calcCanvas", { static: false })
     private _calcCanvas: CalcCanvasComponent;
 
     public set section(s: acSection) {
diff --git a/src/app/components/section-results/section-results.component.ts b/src/app/components/section-results/section-results.component.ts
index 47141eaf2c0d79ef886b2cbceaf37696d1cfcc9c..3b841f7cf8d31d1ca92d41e1c28b54dc0ef339b1 100644
--- a/src/app/components/section-results/section-results.component.ts
+++ b/src/app/components/section-results/section-results.component.ts
@@ -67,7 +67,7 @@ export class SectionResultsComponent extends ResultsComponent implements DoCheck
 
     private _doUpdate = false;
 
-    @ViewChild(SectionCanvasComponent)
+    @ViewChild(SectionCanvasComponent, { static: false })
     private _sectionCanvas: SectionCanvasComponent;
 
     public updateView() {
diff --git a/src/app/components/select-model-field-line/select-model-field-line.component.html b/src/app/components/select-model-field-line/select-model-field-line.component.html
index f9153337ab7db4a066a3caef40bf8dd3bb25b4be..e85ced8afc0a379e6b71eb12bae14d907f8ea3c7 100644
--- a/src/app/components/select-model-field-line/select-model-field-line.component.html
+++ b/src/app/components/select-model-field-line/select-model-field-line.component.html
@@ -5,7 +5,7 @@
         
         <mat-form-field>
             <mat-select [id]="selectId" [name]="selectId" [placeholder]="label" [(value)]="selectedValue" required>
-                <mat-option *ngFor="let e of entries" [value]="e">
+                <mat-option *ngFor="let e of entries" [value]="e" [title]="selectItemLabel(e)">
                     {{ selectItemLabel(e) }}
                 </mat-option>
             </mat-select>
diff --git a/src/app/formulaire/definition/form-definition.ts b/src/app/formulaire/definition/form-definition.ts
index 6569081e7588e22c576acc9b0f859860f7daf4b1..1e90fa201405ecd14ff0f2dbf4449e7c6788ee6e 100644
--- a/src/app/formulaire/definition/form-definition.ts
+++ b/src/app/formulaire/definition/form-definition.ts
@@ -136,7 +136,9 @@ export abstract class FormulaireDefinition extends FormulaireNode implements Obs
 
     protected parseOptions(json: {}) {
         const dnt = json["defaultNodeType"];
-        this._props["nodeType"] = dnt === undefined ? ComputeNodeType.None : ComputeNodeType[dnt];
+        if (dnt !== undefined) {
+            this._props["nodeType"] = ComputeNodeType[dnt];
+        }
         this.helpLink = json["help"];
     }
 
diff --git a/src/app/formulaire/fieldset.ts b/src/app/formulaire/fieldset.ts
index 8d814877614571d60234b3543cf99252e804eb43..4f08999ccab374a223b46390d493f6a578aea144 100644
--- a/src/app/formulaire/fieldset.ts
+++ b/src/app/formulaire/fieldset.ts
@@ -35,7 +35,7 @@ export class FieldSet extends FormulaireElement implements Observer {
     }
 
     get label(): string {
-        let label = super.label;
+        let label = this._label;
         if (this.parent instanceof FieldsetContainer) {
             label += " n°" + String(this.parent.getFieldsetPosition(this) + 1);
         }
diff --git a/src/app/formulaire/formulaire-element.ts b/src/app/formulaire/formulaire-element.ts
index 60ee03bdaba090b2f98d89d531f978ec3b2d1e0d..1bd652334908494703ac6004a9e45b28634030c4 100644
--- a/src/app/formulaire/formulaire-element.ts
+++ b/src/app/formulaire/formulaire-element.ts
@@ -20,7 +20,7 @@ export abstract class FormulaireElement extends FormulaireNode {
     /**
      * étiquette affichée dans l'UI
      */
-    private _label: string;
+    protected _label: string;
 
     /**
      * n° d'ordre ajouté à l'étiquette
diff --git a/src/app/services/http/http.service.ts b/src/app/services/http/http.service.ts
index 580ffee36e0cc66d25d3c35202180008b424fa45..a103cc5a11d8e70ecc79386b2b7261e062129fde 100644
--- a/src/app/services/http/http.service.ts
+++ b/src/app/services/http/http.service.ts
@@ -1,7 +1,6 @@
 import { Injectable } from "@angular/core";
 import { HttpClient, HttpHeaders } from "@angular/common/http";
 import { Observable, Subscription } from "rxjs";
-import "rxjs/add/operator/toPromise";
 
 @Injectable()
 export class HttpService {
diff --git a/src/app/services/notifications/notifications.service.ts b/src/app/services/notifications/notifications.service.ts
index bc330b47950d44baa38873d91c5afd8e79281bc0..5074844dd94cdd25dacd4a3072112c33f4e90431 100644
--- a/src/app/services/notifications/notifications.service.ts
+++ b/src/app/services/notifications/notifications.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from "@angular/core";
-import { MatSnackBar } from "@angular/material";
+import { MatSnackBar } from "@angular/material/snack-bar";
 
 import { ApplicationSetupService } from "../app-setup/app-setup.service";
 
diff --git a/src/assets/images/themes/sp.jpg b/src/assets/images/themes/sp.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..7591c7594f0ae476461fb9aa4831e5ae8a8b9b11
Binary files /dev/null and b/src/assets/images/themes/sp.jpg differ
diff --git a/src/tsconfig.app.json b/src/tsconfig.app.json
index f0875f9b20c527390d3dc1cd926d0d2ab1f64e26..70806e6f12065c2ea9fd1c61da51f240d6400f83 100644
--- a/src/tsconfig.app.json
+++ b/src/tsconfig.app.json
@@ -3,7 +3,6 @@
   "compilerOptions": {
     "outDir": "../out-tsc/app",
     "baseUrl": "./",
-    "module": "es2015",
     "types": [ "node" ],
     "typeRoots": [ "../node_modules/@types" ]
   },
diff --git a/src/tsconfig.spec.json b/src/tsconfig.spec.json
index 1a18e6d00cd89eb585ab635d861756f3aab09aa7..c89454bef9592fa21b59eaa5730c8395820dee56 100644
--- a/src/tsconfig.spec.json
+++ b/src/tsconfig.spec.json
@@ -3,7 +3,6 @@
   "compilerOptions": {
     "outDir": "../out-tsc/spec",
     "baseUrl": "./",
-    "module": "commonjs",
     "types": [
       "jasmine",
       "node"
diff --git a/tsconfig.json b/tsconfig.json
index f6d913f28b3fb0497654c6b9cc9f5c726ac0ad09..c7818722ce5b24463a6c4915b6331cf8e5a87176 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,7 @@
 {
   "compileOnSave": false,
   "compilerOptions": {
+    "downlevelIteration": true,
     "importHelpers": true,
     "outDir": "./dist/out-tsc",
     "sourceMap": true,
@@ -8,7 +9,7 @@
     "moduleResolution": "node",
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
-    "target": "es6",
+    "target": "es2015",
     "typeRoots": [
       "node_modules/@types"
     ],
@@ -16,7 +17,7 @@
       "es2017",
       "dom"
     ],
-    "module": "es2015",
+    "module": "esnext",
     "baseUrl": "./"
   },
   "include": [
diff --git a/tslint.json b/tslint.json
index 2da8f2207693ae54a9e19f6099608681c4eba647..4c9c262a23bc81b7f90a254a646a535db52cc0cb 100644
--- a/tslint.json
+++ b/tslint.json
@@ -126,12 +126,12 @@
     ],
     "angular-whitespace": [true, "check-interpolation"],
     "no-output-on-prefix": true,
-    "use-input-property-decorator": true,
-    "use-output-property-decorator": true,
-    "use-host-property-decorator": true,
+    "no-inputs-metadata-property": true,
+    "no-outputs-metadata-property": true,
+    "no-host-metadata-property": true,
     "no-input-rename": true,
     "no-output-rename": true,
-    "use-life-cycle-interface": true,
+    "use-lifecycle-interface": true,
     "use-pipe-transform-interface": true,
     "component-class-suffix": true,
     "directive-class-suffix": true