# JSDoc: Source: widgets/collapsible_widget.js

# Source: widgets/collapsible_widget.js

    import TabAwareWidget from "./tab_aware_widget.js";
    import options from "../services/options.js";

    const WIDGET_TPL = `
    <div class="card widget">
        <div class="card-header">
            <div>
                <a class="widget-toggle-button no-arrow"
                    title="Minimize/maximize widget"
                    data-toggle="collapse" data-target="#[to be set]">

                    <span class="widget-toggle-icon bx"></span>

                    <span class="widget-title">
                        Collapsible Group Item
                    </span>
                </a>

                <span class="widget-header-actions"></span>
            </div>

            <div>
                <a class="widget-help external no-arrow bx bx-info-circle"></a>
            </div>
        </div>

        <div id="[to be set]" class="collapse body-wrapper" style="transition: none; ">
            <div class="card-body"></div>
        </div>
    </div>`;

    export default class CollapsibleWidget extends TabAwareWidget {
        get widgetTitle() { return "Untitled widget"; }

        get headerActions() { return []; }

        get help() { return {}; }

        doRender() {
            this.$widget = $(WIDGET_TPL);
            this.contentSized();
            this.$widget.find('[data-target]').attr('data-target', "#" + this.componentId);

            this.$bodyWrapper = this.$widget.find('.body-wrapper');
            this.$bodyWrapper.attr('id', this.componentId); // for toggle to work we need id

            // not using constructor name because of webpack mangling class names ...
            this.widgetName = this.widgetTitle.replace(/[^[a-zA-Z0-9]/g, "_");

            this.$toggleButton = this.$widget.find('.widget-toggle-button');
            this.$toggleIcon = this.$widget.find('.widget-toggle-icon');

            const collapsed = options.is(this.widgetName + 'Collapsed');
            if (!collapsed) {
                this.$bodyWrapper.collapse("show");
            }

            this.updateToggleIcon(collapsed);

            // using immediate variants of the event so that the previous collapse is not caught
            this.$bodyWrapper.on('hide.bs.collapse', () => this.toggleCollapsed(true));
            this.$bodyWrapper.on('show.bs.collapse', () => this.toggleCollapsed(false));

            this.$body = this.$bodyWrapper.find('.card-body');

            this.$title = this.$widget.find('.widget-title');
            this.$title.text(this.widgetTitle);

            this.$help = this.$widget.find('.widget-help');

            if (this.help.title) {
                this.$help.attr("title", this.help.title);
                this.$help.attr("href", this.help.url || "javascript:");

                if (!this.help.url) {
                    this.$help.addClass('no-link');
                }
            }
            else {
                this.$help.hide();
            }

            this.$headerActions = this.$widget.find('.widget-header-actions');
            this.$headerActions.append(this.headerActions);

            this.initialized = this.doRenderBody();

            this.decorateWidget();
        }

        toggleCollapsed(collapse) {
            this.updateToggleIcon(collapse);

            options.save(this.widgetName + 'Collapsed', collapse.toString());

            this.triggerEvent(`widgetCollapsedStateChanged`, {widgetName: this.widgetName, collapse});
        }

        updateToggleIcon(collapse) {
            if (collapse) {
                this.$toggleIcon
                    .addClass("bx-chevron-right")
                    .removeClass("bx-chevron-down")
                    .attr("title", "Show");
            } else {
                this.$toggleIcon
                    .addClass("bx-chevron-down")
                    .removeClass("bx-chevron-right")
                    .attr("title", "Hide");
            }
        }

        /**
         * This event is used to synchronize collapsed state of all the tab-cached widgets since they are all rendered
         * separately but should behave uniformly for the user.
         */
        widgetCollapsedStateChangedEvent({widgetName, collapse}) {
            if (widgetName === this.widgetName) {
                this.$bodyWrapper.toggleClass('show', !collapse);
            }
        }

        /** for overriding */
        decorateWidget() {}

        /** for overriding */
        async doRenderBody() {}

        isExpanded() {
            return this.$bodyWrapper.hasClass("show");
        }
    }