slint/internal/compiler/widgets/material-base/widget-table-view.slint

// Copyright © SixtyFPS GmbH <info@slint-ui.com>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-commercial

import { LineEditInner } from "../common/common.slint";
import { ScrollView } from "std-widgets-impl.slint";
import { StateLayer } from "comp-state-layer.slint";
import { md } from "md.slint";

component TableViewColumn inherits Rectangle {
    callback clicked <=> state-layer.clicked;

    in property <SortOrder> sort-order: SortOrder.unsorted;
    
    state-layer := StateLayer {
        background: md.sys.color.primary;
        selection-background: md.sys.color.secondary-container; 
        ripple-color: md.sys.color.primary-ripple;
        has-ripple: true;
    }

    HorizontalLayout {  
        padding-left: 16px;
        padding-right: 16px;
        spacing: 4px;

        HorizontalLayout {  
            @children
        }

        Path {
            visible: root.sort-order != SortOrder.unsorted;
            width: 12px;
            height: 12px;
            y: (parent.height - self.height) / 2;
            commands: root.sort-order == SortOrder.ascending ? 
                "M24 44 10 30l2.1-2.1 10.4 10.4V4h3v34.3l10.4-10.4L38 30Z" :
                "M22.5 44V9.7L12.1 20.1 10 18 24 4l14 14-2.1 2.1L25.5 9.7V44Z";
            fill: md.sys.color.on-surface;
        }
    }

    // border
    Rectangle {  
        y: parent.height - self.height;
        width: 100%;
        height: 1px;
        background: md.sys.color.outline;
    }
}

component TableViewCell inherits Rectangle {
    clip: true;

    HorizontalLayout {  
        padding-left: 16px;
        padding-right: 16px;

        @children
    }

    // border
    Rectangle {  
        y: parent.height - self.height;
        width: 100%;
        height: 1px;
        background: md.sys.color.outline;
    }
}

component TableViewRow inherits Rectangle {
    min-height: 42px;

    state-layer := StateLayer {
        background: md.sys.color.primary;
        selection-background: md.sys.color.secondary-container; 
        ripple-color: md.sys.color.primary-ripple;
        has-ripple: true;
    }

    HorizontalLayout {  
       @children
    }
}

export component StandardTableView inherits Rectangle {
    callback sort-ascending(int);
    callback sort-descending(int);

    private property <length> min-header-height: 42px;
    out property <int> current-sort-column: -1;
    in-out property <[TableColumn]> columns;
    in property <[[StandardListViewItem]]> rows;
   

    min-width: 400px;
    min-height: 200px;
    horizontal-stretch: 1;
    vertical-stretch: 1;

    function sort(index: int) {
        if (root.current-sort-column != index) {
            root.columns[root.current-sort-column].sort-order = SortOrder.unsorted;
        }

        if(root.columns[index].sort-order == SortOrder.ascending) {
            root.columns[index].sort-order = SortOrder.descending;
            root.sort-descending(index);
        } else {
            root.columns[index].sort-order = SortOrder.ascending;
            root.sort-ascending(index);
        }

        root.current-sort-column = index;
    }

    VerticalLayout {  
        HorizontalLayout {  
            padding-right: 20px;
            min-height: root.min-header-height;
            vertical-stretch: 0;
            for column[index] in root.columns : TableViewColumn {
                sort-order: column.sort-order;
                min-width: column.min-width;
                horizontal-stretch: column.horizontal-stretch;

                Text {  
                    vertical-alignment: center;
                    horizontal-stretch: column.horizontal-stretch;
                    min-width: column.min-width;
                    text: column.title;
                    font-weight: 900;
                }

                clicked => {  
                    root.sort(index);
                }
            }
        }

        scroll-view := ScrollView {  
            border-width: 0;
            vertical-stretch: 1;

            VerticalLayout {  
                alignment: start;

                for row in root.rows : TableViewRow {
                    for cell[index] in row : TableViewCell {
                        private property <bool> has_inner_focus;
                        horizontal-stretch: root.columns[index].horizontal-stretch;
                        min-width: root.columns[index].min-width;

                        Rectangle {  
                            line-edit := LineEditInner {
                                opacity: self.has-focus ? 1.0 : 0.0;
                                visible: cell.editable;
                                text: cell.text;
                                edited => {  
                                    cell.text = self.text;
                                }
                            }
    
                            if(!cell.editable || !line-edit.has-focus) : Text {
                                width: 100%;
                                height: 100%;
                                overflow: elide;
                                vertical-alignment: center;
                                text: cell.text;
                            }
                        }
                    }
                }
            } 
        } 
    }
}