Implemented AlertDialog app (#117)

2024-12-10 00:22:29 +01:00
parent 103588948f
commit 77280def1d
7 changed files with 160 additions and 22 deletions
@@ -0,0 +1,125 @@
+#include "AlertDialog.h"
+#include "lvgl.h"
+#include "lvgl/Toolbar.h"
+#include "service/loader/Loader.h"
+#include <StringUtils.h>
+#include <TactilityCore.h>
+
+namespace tt::app::alertdialog {
+
+#define PARAMETER_BUNDLE_KEY_TITLE "title"
+#define PARAMETER_BUNDLE_KEY_MESSAGE "message"
+#define PARAMETER_BUNDLE_KEY_BUTTON_LABELS "buttonLabels"
+#define RESULT_BUNDLE_KEY_INDEX "index"
+
+#define PARAMETER_ITEM_CONCATENATION_TOKEN ";;"
+#define DEFAULT_TITLE "Select..."
+
+#define TAG "selection_dialog"
+
+extern const AppManifest manifest;
+
+void start(std::string title, std::string message, const std::vector<std::string>& buttonLabels) {
+    std::string items_joined = string::join(buttonLabels, PARAMETER_ITEM_CONCATENATION_TOKEN);
+    auto bundle = std::make_shared<Bundle>();
+    bundle->putString(PARAMETER_BUNDLE_KEY_TITLE, title);
+    bundle->putString(PARAMETER_BUNDLE_KEY_MESSAGE, message);
+    bundle->putString(PARAMETER_BUNDLE_KEY_BUTTON_LABELS, items_joined);
+    service::loader::startApp(manifest.id, false, bundle);
+}
+
+int32_t getResultIndex(const Bundle& bundle) {
+    int32_t index = -1;
+    bundle.optInt32(RESULT_BUNDLE_KEY_INDEX, index);
+    return index;
+}
+
+void setResultIndex(std::shared_ptr<Bundle> bundle, int32_t index) {
+    bundle->putInt32(RESULT_BUNDLE_KEY_INDEX, index);
+}
+
+static std::string getTitleParameter(std::shared_ptr<const Bundle> bundle) {
+    std::string result;
+    if (bundle->optString(PARAMETER_BUNDLE_KEY_TITLE, result)) {
+        return result;
+    } else {
+        return DEFAULT_TITLE;
+    }
+}
+
+static void onButtonClicked(lv_event_t* e) {
+    lv_event_code_t code = lv_event_get_code(e);
+    if (code == LV_EVENT_CLICKED) {
+        size_t index = (size_t)(e->user_data);
+        TT_LOG_I(TAG, "Selected item at index %d", index);
+        tt::app::AppContext* app = service::loader::getCurrentApp();
+        auto bundle = std::make_shared<Bundle>();
+        setResultIndex(bundle, (int32_t)index);
+        app->setResult(app::ResultOk, bundle);
+        service::loader::stopApp();
+    }
+}
+
+static void createButton(lv_obj_t* parent, const std::string& text, size_t index) {
+    lv_obj_t* button = lv_button_create(parent);
+    lv_obj_t* button_label = lv_label_create(button);
+    lv_obj_align(button_label, LV_ALIGN_CENTER, 0, 0);
+    lv_label_set_text(button_label, text.c_str());
+    lv_obj_add_event_cb(button, &onButtonClicked, LV_EVENT_CLICKED, (void*)index);
+}
+
+static void onShow(AppContext& app, lv_obj_t* parent) {
+    auto parameters = app.getParameters();
+    tt_check(parameters != nullptr, "Parameters missing");
+
+    std::string title = getTitleParameter(app.getParameters());
+    lv_obj_t* toolbar = lvgl::toolbar_create(parent, title);
+    lv_obj_align(toolbar, LV_ALIGN_TOP_MID, 0, 0);
+
+    lv_obj_t* message_label = lv_label_create(parent);
+    lv_obj_align(message_label, LV_ALIGN_CENTER, 0, 0);
+
+    std::string message;
+    if (parameters->optString(PARAMETER_BUNDLE_KEY_MESSAGE, message)) {
+        lv_label_set_text(message_label, message.c_str());
+        lv_label_set_long_mode(message_label, LV_LABEL_LONG_WRAP);
+    }
+
+    lv_obj_t* button_wrapper = lv_obj_create(parent);
+    lv_obj_set_flex_flow(button_wrapper, LV_FLEX_FLOW_ROW);
+    lv_obj_set_size(button_wrapper, LV_PCT(100), LV_SIZE_CONTENT);
+    lv_obj_set_style_pad_all(button_wrapper, 0, 0);
+    lv_obj_set_flex_align(button_wrapper, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+    lv_obj_set_style_border_width(button_wrapper, 0, 0);
+    lv_obj_align(button_wrapper, LV_ALIGN_BOTTOM_MID, 0, -4);
+
+    std::string items_concatenated;
+    if (parameters->optString(PARAMETER_BUNDLE_KEY_BUTTON_LABELS, items_concatenated)) {
+        std::vector<std::string> labels = string::split(items_concatenated, PARAMETER_ITEM_CONCATENATION_TOKEN);
+        if (labels.empty() || labels.front().empty()) {
+            TT_LOG_E(TAG, "No items provided");
+            app.setResult(ResultError);
+            service::loader::stopApp();
+        } else if (labels.size() == 1) {
+            auto result_bundle = std::make_shared<Bundle>();
+            setResultIndex(result_bundle, 0);
+            app.setResult(ResultOk, result_bundle);
+            service::loader::stopApp();
+            TT_LOG_W(TAG, "Auto-selecting single item");
+        } else {
+            size_t index = 0;
+            for (const auto& label: labels) {
+                createButton(button_wrapper, label, index++);
+            }
+        }
+    }
+}
+
+extern const AppManifest manifest = {
+     .id = "AlertDialog",
+     .name = "Alert Dialog",
+     .type = TypeHidden,
+     .onShow = onShow
+};
+
+}