Source: shellfish-ui/ui/FSView.shui

/*******************************************************************************
This file is part of the Shellfish UI toolkit.
Copyright (c) 2020 - 2022 Martin Grimme <martin.grimme@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*******************************************************************************/

require "shellfish/ui";

/**
 * Element representing a list view specialized for displaying file system
 * models.
 *
 * This element has a default delegate, which may be overwritten if needed.
 *
 * @memberof ui
 * @name FSView
 * @class
 * @extends html.ListView
 *
 * @deprecated Use a {@link html.ListView} instead.
 *
 * @property {string} displayMode - (default: `"list"`) The display mode. One of `list|grid`
 * @property {html.Filesystem} filesystem - (default: null) If the filesystem is set, it is used for icon thumbnails.
 * @property {number} iconScale - (default: `1`) The scaling factor of icons.
 */
ListView {
    id: fsview

    property iconScale: 1
    property displayMode: "list"
    property filesystem: null

    property selector: ListViewSelector {
        target: fsview
        multiple: true
    }

    event fileOpen

    cellWidth: fsview.displayMode === "list" ? fsview.bboxWidth - 1
                                             : theme.itemWidthLarge * iconScale

    cellHeight: fsview.displayMode === "list" ? theme.itemHeightMedium * iconScale
                                              : cellWidth

    canFocus: true

    model.onPathChanged: () =>
    {
        selector.clear();
    }

    property delegate: template Draggable {
        onDragStart: ev =>
        {
            const uris = [];
            fsview.selector.selection.forEach(idx =>
            {
                uris.push(fsview.model.at(idx).path);
            });
            /*
            const uris = fsview.selector.selection.map(idx =>
            {
                return fsview.model.at(idx).path;
            });
            */

            if (uris.length > 0)
            {
                ev.setData("text/uri-list", uris.join("\r\n"));
                ev.setData("text/plain", uris.join("\r\n"));
                ev.accepted = true;
            }
        }

        FSItem {
            id: fsitem

            fillWidth: true
            fillHeight: true
            displayMode: fsview.displayMode
            highlighted: fsview.selector.selection.has(parent.modelData.index)

            file: parent.modelData.value
            filesystem: fsview.filesystem

            onPointerDown: (ev) =>
            {
                const idx = parent.modelData.index;

                if (ev.original.ctrlKey)
                {
                    fsview.selector.select(idx, "toggle");
                }
                else if (ev.original.shiftKey)
                {
                    fsview.selector.select(idx, "range");
                }
                else
                {
                    fsview.selector.select(idx, "replace");
                }
            }

            onDoubleClick: (ev) =>
            {
                fsview.fileOpen(parent.modelData.value);
                ev.accepted = true;
            }
        }

        //Label { text: parent.modelData.index; color: "red"; fontSize: theme.fontSizeSmall }
    }

}