slint/demos/printerdemo_mcu/ui/printer_queue.slint

// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: MIT

import { DemoPalette, PushButton } from "./common.slint";

export struct PrinterQueueItem  {
    status: string,
    progress: int,
    title: string,
    owner: string,
    pages: int,
    size: string, // number instead and format in .slint?
    submission-date: string
}

export global PrinterQueue  {
    in property <[PrinterQueueItem]> printer-queue: [
        { status: "printing", progress: 63, title: "Slint-Demo.jpeg", owner: "info@slint.dev", pages: 6, size: "143kb", submission-date: "11:41 25/01/21" },
        { status: "waiting", title: "Adressliste.docx", owner: "info@slint.dev", pages: 6, size: "143kb", submission-date: "11:41 25/01/21" },
        { status: "waiting", title: "210106-FinalPresentation.pdf", owner: "info@slint.dev", pages: 6, size: "143kb", submission-date: "11:41 25/01/21" },
    ];

    callback start-job(string);
    callback cancel-job(int);
    callback pause-job(int);

    public pure function statusString(status: string) -> string {
        if (status == "printing") {
            "PRINTING"
        } else if (status == "waiting") {
            "WAITING..."
        } else {
            "Unknown job status"
        }
    }
}

component PrintQueueDetailsLabel inherits Text {
    font-weight: 500;
    color: DemoPalette.control-foreground;
    horizontal-stretch: 0;
    font-size: DemoPalette.base-font-size * 0.9375;
}

component PrintQueueSeparator inherits Rectangle {
    height: 1px;
    border-width: 1px;
    border-color: #BDC0D1;
    horizontal-stretch: 2;
}

component PrintDetails inherits GridLayout {
    in property <PrinterQueueItem> queue-item;

    spacing: 3px;

    Row {
        PrintQueueDetailsLabel {
            text: "Owner";
        }

        Text {
            text: root.queue-item.owner;
            color: DemoPalette.secondary-foreground-color;
            overflow: elide;
            horizontal-stretch: 1;
            font-size: DemoPalette.base-font-size * 0.9375;
        }
    }

    Row {
        PrintQueueSeparator {
            colspan: 2;
        }
    }

    Row {
        PrintQueueDetailsLabel {
            text: "Pages";
        }

        Text {
            text: root.queue-item.pages;
            color: DemoPalette.secondary-foreground-color;
            overflow: elide;
            horizontal-stretch: 1;
            font-size: DemoPalette.base-font-size * 0.9375;
        }
    }

    Row {
        PrintQueueSeparator {
            colspan: 2;
        }
    }

    Row {
        PrintQueueDetailsLabel {
            text: "Size";
        }

        Text {
            text: root.queue-item.pages;
            color: DemoPalette.secondary-foreground-color;
            overflow: elide;
            horizontal-stretch: 1;
            font-size: DemoPalette.base-font-size * 0.9375;
        }
    }

    Row {
        PrintQueueSeparator {
            colspan: 2;
        }
    }

    Row {
        PrintQueueDetailsLabel {
            text: "Submitted";
        }

        Text {
            text: root.queue-item.submission-date;
            color: DemoPalette.secondary-foreground-color;
            overflow: elide;
            horizontal-stretch: 1;
            font-size: DemoPalette.base-font-size * 0.9375;
        }
    }
}

component NarrowPrintQueueElement inherits Rectangle {
    in property <PrinterQueueItem> queue-item;
    in-out property <bool> expanded;

    private property <float> expanded-opacity: 0;

    callback cancel-job();

    border-color: DemoPalette.control-outline-color;
    border-radius: 6px;
    border-width: 1px;
    background: DemoPalette.printer-queue-item-background-color;
    clip: true;
    height: always-visible.min-height + layout.padding * 2;

    states [
        expanded when root.expanded : {
            height: layout.min-height;
            expanded-opacity: 1;
            in {
                animate height { duration: 200ms; easing: ease; }
                animate expanded-opacity { duration: 200ms; }
            }
            out {
                animate height { duration: 200ms; easing: ease; }
                animate expanded-opacity { duration: 200ms; }
            }
        }
    ]

    TouchArea {
        pointer-event(ev) => {
            if (ev.kind == PointerEventKind.up) {
                root.expanded = !root.expanded;
            }
        }
    }

    Rectangle {
        height: 100%;
        layout := VerticalLayout {
            padding: root.border-radius;
            spacing: 4px;
            alignment: start;

            always-visible := VerticalLayout {
                padding: 0;
                spacing: parent.spacing;

                Text {
                    // TODO: text-transform: uppercase
                    text: {
                        if (root.queue-item.status == "printing") {
                        "\{root.queue-item.progress}% - \{PrinterQueue.statusString(root.queue-item.status)}"
                        } else {
                            PrinterQueue.statusString(root.queue-item.status)
                        }
                    }
                    color: DemoPalette.status-label-text-color;
                    font-size: DemoPalette.base-font-size * 0.75;
                    font-weight: 800;
                    letter-spacing: 1.26px;
                }

                Text {
                    text: root.queue-item.title;
                    overflow: elide;
                    color: DemoPalette.text-foreground-color;
                    font-weight: 800;
                    font-size: DemoPalette.base-font-size * 1.125;
                }
            }

            if (root.expanded || root.expanded-opacity > 0) : PrintDetails {
                padding: 0px;
                padding-bottom: root.border-radius / 2;
                queue-item: root.queue-item;
                opacity: root.expanded-opacity;
            }

            if (root.expanded || root.expanded-opacity > 0) : HorizontalLayout {
                Rectangle {
                    horizontal-stretch: 0;
                    width: 10%;
                }

                PushButton {
                    clicked => { root.cancel-job(); }

                    opacity: root.expanded-opacity;
                    text: "Delete";
                    icon: @image-url("images/delete.svg");
                }

                Rectangle {
                    horizontal-stretch: 0;
                    width: 10%;
                }
            }
        }
    }
}

component NarrowPrinterQueueList inherits Flickable {
    VerticalLayout {
        alignment: start;
        padding: 0px;
        spacing: 6px;

        for queue-item[idx] in PrinterQueue.printer-queue: NarrowPrintQueueElement {
            cancel-job => {
                PrinterQueue.cancel-job(idx)
            }

            width: root.width;
            queue-item: queue-item;
        }
    }
}

export component PrinterQueueView inherits Rectangle {
    border-radius: 18px;
    background: DemoPalette.night-mode ? DemoPalette.printer-action-background-color : #F4F6FF;

    VerticalLayout {
        padding: 6px;
        spacing: 6px;

        queue-list := NarrowPrinterQueueList { }
    }
}