sequenceDiagram
    participant PythonBackend as Python Backend (Widget)
    participant TemplateEngine as Django Template Engine
    participant BrowserHTMLDoc as Browser (HTML Document)
    participant WidgetJS as Browser (Widget JavaScript)

    PythonBackend->>PythonBackend: get_context() called
    alt PageSmartLinkWidget / ApplicationConfigSelect
        PythonBackend->>PythonBackend: Calls _build_script_data()
        PythonBackend-->>PythonBackend: Returns JSON data string
    else PageSelectWidget
        PythonBackend->>PythonBackend: Prepares JSON for widget 'name'
    end
    PythonBackend-->>TemplateEngine: Context with 'script_data' (JSON string)
    TemplateEngine->>TemplateEngine: Renders template
    TemplateEngine->>BrowserHTMLDoc: Embeds JSON in <script type="application/json" data-cms-widget-XYZ>
    BrowserHTMLDoc->>WidgetJS: HTML Document loaded
    WidgetJS->>BrowserHTMLDoc: JS queries for <script data-cms-widget-XYZ>
    BrowserHTMLDoc-->>WidgetJS: Returns script element
    WidgetJS->>WidgetJS: Parses JSON from script.textContent
    WidgetJS->>WidgetJS: Initializes widget with parsed data

sequenceDiagram
    actor User
    participant Element as Browser (HTML Element e.g., Button, Link)
    participant JSModule as Browser (Relevant JS Module)
    participant TargetFunction as JavaScript Function (e.g., CMS.API.changeLanguage, window.showAddAnotherPopup)

    JSModule->>Element: Attaches 'click' event listener during initialization
    User->>Element: Clicks element
    Element->>JSModule: Executes 'click' event handler
    opt Element has data attributes
        JSModule->>Element: Reads data (e.g., from dataset)
    end
    JSModule->>TargetFunction: Calls target function (with data if any)

classDiagram
    class PageSelectWidget {
        +get_context(name, value, attrs)
        %% _build_script() method removed
        %% get_context() now populates widget.script_data with JSON
    }

    class PageSmartLinkWidget {
        +get_context(name, value, attrs)
        +_build_script_data(name, value, attrs)
        %% _build_script() method removed
        %% _build_script_data() method added
        %% get_context() now calls _build_script_data()
    }

    class ApplicationConfigSelect {
        +get_context(name, value, attrs)
        +_build_script_data(name, value, attrs)
        %% _build_script() method removed
        %% _build_script_data() method added
        %% get_context() now calls _build_script_data()
    }