From 25026a55f7b019ee3d3a79d1d48a6218b29270f2 Mon Sep 17 00:00:00 2001
From: Simon Edwards <simon@simonzone.com>
Date: Sat, 14 Aug 2021 18:18:13 +0200
Subject: [PATCH] Add 2nd model view tutorial app

---
 package.json                           |  3 +-
 src/cpp/lib/Extras/Utils/nutils.cpp    | 14 +++++
 src/examples/modelview_2_formatting.ts | 83 ++++++++++++++++++++++++++
 3 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 src/examples/modelview_2_formatting.ts

diff --git a/package.json b/package.json
index 1eafa7a0c..91bf442cb 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,8 @@
         "docs": "cross-env typedoc && node ./website/docs/scripts/fixdocs.js",
         "qode": "cross-env node ./scripts/qode.js",
         "prepublishOnly": "cross-env npm run build",
-        "example-modelview_1_readonly": "node ./scripts/qode.js dist/examples/modelview_1_readonly.js"
+        "example-modelview_1_readonly": "node ./scripts/qode.js dist/examples/modelview_1_readonly.js",
+        "example-modelview_2_formatting": "node ./scripts/qode.js dist/examples/modelview_2_formatting.js"
     },
     "engines": {
         "node": ">=14.x.x"
diff --git a/src/cpp/lib/Extras/Utils/nutils.cpp b/src/cpp/lib/Extras/Utils/nutils.cpp
index 91b11952f..bd1f87a49 100644
--- a/src/cpp/lib/Extras/Utils/nutils.cpp
+++ b/src/cpp/lib/Extras/Utils/nutils.cpp
@@ -31,17 +31,21 @@ QVariant* extrautils::convertToQVariant(Napi::Env& env, Napi::Value& value) {
   // Warning: Make sure you delete the QVariant fron this function upon use.
   if (value.IsBoolean()) {
     return new QVariant(value.As<Napi::Boolean>().Value());
+
   } else if (value.IsNumber()) {
     if (isNapiValueInt(env, value)) {
       return new QVariant(value.As<Napi::Number>().Int32Value());
     } else {
       return new QVariant(value.As<Napi::Number>().DoubleValue());
     }
+
   } else if (value.IsString()) {
     std::string stringValue = value.As<Napi::String>().Utf8Value();
     return new QVariant(stringValue.c_str());
+
   } else if (value.IsSymbol()) {
     return new QVariant();
+
   } else if (value.IsArray()) {
     // Note: This assumes an array of strings.
     Napi::Array array = value.As<Napi::Array>();
@@ -54,12 +58,15 @@ QVariant* extrautils::convertToQVariant(Napi::Env& env, Napi::Value& value) {
       }
     }
     return new QVariant(value);
+
   } else if (value.IsArrayBuffer()) {
     // TODO: fix this
     return new QVariant();
+
   } else if (value.IsTypedArray()) {
     // TODO: fix this
     return new QVariant();
+
   } else if (value.IsObject()) {
     Napi::Object object = value.As<Napi::Object>();
     std::string className = getNapiObjectClassName(object);
@@ -67,20 +74,27 @@ QVariant* extrautils::convertToQVariant(Napi::Env& env, Napi::Value& value) {
     ComponentWrap* componentWrap =
         Napi::ObjectWrap<ComponentWrap>::Unwrap(object);
     return new QVariant(typeId, componentWrap->rawData);
+
   } else if (value.IsFunction()) {
     return new QVariant();
+
   } else if (value.IsPromise()) {
     return new QVariant();
+
   } else if (value.IsUndefined()) {
     return new QVariant();
+
   } else if (value.IsNull()) {
     return new QVariant();
+
   } else if (value.IsBuffer()) {
     // TODO: fix this
     return new QVariant();
+
   } else if (value.IsExternal()) {
     QVariant* variant = value.As<Napi::External<QVariant>>().Data();
     return variant;
+
   } else {
     return new QVariant();
   }
diff --git a/src/examples/modelview_2_formatting.ts b/src/examples/modelview_2_formatting.ts
new file mode 100644
index 000000000..9be303bb8
--- /dev/null
+++ b/src/examples/modelview_2_formatting.ts
@@ -0,0 +1,83 @@
+import {
+    AlignmentFlag,
+    CheckState,
+    GlobalColor,
+    ItemDataRole,
+    QAbstractTableModel,
+    QBrush,
+    QFont,
+    QModelIndex,
+    QTableView,
+    QVariant,
+} from '..';
+
+function main(): void {
+    const tableView = new QTableView();
+    const model = new MyModel();
+    tableView.setModel(model);
+
+    tableView.show();
+
+    (global as any).win = tableView;
+}
+
+class MyModel extends QAbstractTableModel {
+    rowCount(parent = new QModelIndex()): number {
+        return 2;
+    }
+
+    columnCount(parent = new QModelIndex()): number {
+        return 3;
+    }
+
+    data(index: QModelIndex, role = ItemDataRole.DisplayRole): QVariant {
+        const row = index.row();
+        const col = index.column();
+        // generate a log message when this method gets called
+        console.log(`row ${row}, col ${col}, role ${role}`);
+
+        switch (role) {
+            case ItemDataRole.DisplayRole:
+                if (row == 0 && col == 1) {
+                    return new QVariant('<--left');
+                }
+                if (row == 1 && col == 1) {
+                    return new QVariant('right-->');
+                }
+                return new QVariant(`Row${row + 1}, Column${col + 1}`);
+
+            case ItemDataRole.FontRole:
+                if (row == 0 && col == 0) {
+                    // change font only for cell(0,0)
+                    const boldFont = new QFont();
+                    boldFont.setBold(true);
+                    return new QVariant(boldFont.native);
+                }
+                break;
+
+            case ItemDataRole.BackgroundRole:
+                if (row == 1 && col == 2) {
+                    //change background only for cell(1,2)
+                    return new QVariant(new QBrush(GlobalColor.red).native);
+                }
+                break;
+
+            case ItemDataRole.TextAlignmentRole:
+                if (row == 1 && col == 1) {
+                    // change text alignment only for cell(1,1)
+                    return new QVariant(AlignmentFlag.AlignRight | AlignmentFlag.AlignVCenter);
+                }
+                break;
+
+            case ItemDataRole.CheckStateRole:
+                if (row == 1 && col == 0) {
+                    // add a checkbox to cell(1,0)
+                    return new QVariant(CheckState.Checked);
+                }
+                break;
+        }
+        return new QVariant();
+    }
+}
+
+main();