sequenceDiagram
    actor User
    participant Document
    participant KeydownHandler
    participant hasScrumReportContent
    participant copyBtn
    participant ScrumReportEl

    User->>Document: Press modifier+Shift+Y
    Document->>KeydownHandler: keydown event
    KeydownHandler->>KeydownHandler: Check modifier, shift, alt, repeat, copyBtn state
    KeydownHandler->>hasScrumReportContent: hasScrumReportContent()
    hasScrumReportContent->>ScrumReportEl: getElementById(scrumReport)
    alt Scrum report element missing
        hasScrumReportContent-->>KeydownHandler: false
        KeydownHandler-->>Document: Do nothing
    else Scrum report element present
        hasScrumReportContent->>ScrumReportEl: Read textContent and innerHTML
        hasScrumReportContent-->>KeydownHandler: true if non empty
        alt Report has content
            KeydownHandler->>Document: preventDefault()
            KeydownHandler->>Document: showShortcutNotification(copyingReportNotification)
            KeydownHandler->>copyBtn: _triggeredByShortcut = true
            KeydownHandler->>copyBtn: click()
        else Report empty
            KeydownHandler-->>Document: Do nothing
        end
    end

sequenceDiagram
    actor User
    participant copyBtn
    participant hasScrumReportContent
    participant ScrumReportEl
    participant Document

    User->>copyBtn: click
    copyBtn->>ScrumReportEl: getElementById(scrumReport)
    copyBtn->>hasScrumReportContent: hasScrumReportContent(ScrumReportEl)
    alt No scrum report content
        hasScrumReportContent-->>copyBtn: false
        copyBtn->>copyBtn: _triggeredByShortcut = false
        copyBtn-->>User: No feedback, no copy
    else Scrum report has content
        hasScrumReportContent-->>copyBtn: true
        copyBtn->>Document: createElement(div) as tempDiv
        copyBtn->>tempDiv: innerHTML = ScrumReportEl.innerHTML
        copyBtn->>Document: appendChild(tempDiv)
        copyBtn->>Document: select tempDiv content
        copyBtn->>Document: execCommand(copy)
        copyBtn->>Document: removeChild(tempDiv)
        copyBtn-->>User: Show Copied feedback
    end

flowchart TD
    A["Call hasScrumReportContent with optional scrumReportEl or default getElementById(scrumReport)"] --> B{scrumReportEl exists?}
    B -- No --> C[Return false]
    B -- Yes --> D["Read textContent and innerHTML from scrumReportEl"]
    D --> E{"Any non empty trimmed content?"}
    E -- No --> C
    E -- Yes --> F[Return true]