zulip/web/src/saved_snippets_ui.ts

import $ from "jquery";
import assert from "minimalistic-assert";
import type * as tippy from "tippy.js";

import render_add_saved_snippet_modal from "../templates/add_saved_snippet_modal.hbs";
import render_confirm_delete_saved_snippet from "../templates/confirm_dialog/confirm_delete_saved_snippet.hbs";

import * as channel from "./channel";
import * as compose_state from "./compose_state";
import * as compose_ui from "./compose_ui";
import * as confirm_dialog from "./confirm_dialog";
import * as dialog_widget from "./dialog_widget";
import * as dropdown_widget from "./dropdown_widget";
import {$t_html} from "./i18n";
import * as popover_menus from "./popover_menus";
import * as saved_snippets from "./saved_snippets";
import type {StateData} from "./state_data";

let saved_snippet_dropdown_widget: dropdown_widget.DropdownWidget;

function submit_create_saved_snippet_form(): void {
    const title = $<HTMLInputElement>("#add-new-saved-snippet-modal .saved-snippet-title")
        .val()
        ?.trim();
    const content = $<HTMLInputElement>("#add-new-saved-snippet-modal .saved-snippet-content")
        .val()
        ?.trim();
    if (title && content) {
        dialog_widget.submit_api_request(channel.post, "/json/saved_snippets", {title, content});
    }
}

function update_submit_button_state(): void {
    const title = $<HTMLInputElement>("#add-new-saved-snippet-modal .saved-snippet-title")
        .val()
        ?.trim();
    const content = $<HTMLInputElement>("#add-new-saved-snippet-modal .saved-snippet-content")
        .val()
        ?.trim();
    const $submit_button = $("#add-new-saved-snippet-modal .dialog_submit_button");

    $submit_button.prop("disabled", true);
    if (title && content) {
        $submit_button.prop("disabled", false);
    }
}

function saved_snippet_modal_post_render(): void {
    $("#add-new-saved-snippet-modal").on("input", "input,textarea", update_submit_button_state);
}

export function rerender_dropdown_widget(): void {
    const options = saved_snippets.get_options_for_dropdown_widget();
    saved_snippet_dropdown_widget.list_widget?.replace_list_data(options);
}

function delete_saved_snippet(saved_snippet_id: string): void {
    void channel.del({
        url: "/json/saved_snippets/" + saved_snippet_id,
    });
}

function item_click_callback(
    event: JQuery.ClickEvent,
    dropdown: tippy.Instance,
    widget: dropdown_widget.DropdownWidget,
): void {
    event.preventDefault();
    event.stopPropagation();

    if (
        $(event.target).closest(".saved_snippets-dropdown-list-container .dropdown-list-delete")
            .length
    ) {
        confirm_dialog.launch({
            html_heading: $t_html({defaultMessage: "Delete saved snippet?"}),
            html_body: render_confirm_delete_saved_snippet(),
            on_click() {
                const saved_snippet_id = $(event.currentTarget).attr("data-unique-id");
                assert(saved_snippet_id !== undefined);
                delete_saved_snippet(saved_snippet_id);
            },
        });
        return;
    }

    dropdown.hide();
    // Hide `send_later` popover when a saved snippet is clicked.
    popover_menus.hide_current_popover_if_visible(popover_menus.popover_instances.send_later);
    const current_value = widget.current_value;
    assert(typeof current_value === "number");
    if (current_value === saved_snippets.ADD_SAVED_SNIPPET_OPTION_ID) {
        dialog_widget.launch({
            html_heading: $t_html({defaultMessage: "Add a new saved snippet"}),
            html_body: render_add_saved_snippet_modal({
                prepopulated_content: compose_state.message_content(),
            }),
            html_submit_button: $t_html({defaultMessage: "Save"}),
            id: "add-new-saved-snippet-modal",
            form_id: "add-new-saved-snippet-form",
            update_submit_disabled_state_on_change: true,
            on_click: submit_create_saved_snippet_form,
            on_shown: () => $("#add-saved-snippet-title").trigger("focus"),
            post_render: saved_snippet_modal_post_render,
        });
    } else {
        const saved_snippet = saved_snippets.get_saved_snippet_by_id(current_value);
        assert(saved_snippet !== undefined);
        const content = saved_snippet.content;
        const $textarea = $<HTMLTextAreaElement>("textarea#compose-textarea");
        compose_ui.insert_syntax_and_focus(content, $textarea);
    }
}

export const initialize = (params: StateData["saved_snippets"]): void => {
    saved_snippets.initialize(params);

    saved_snippet_dropdown_widget = new dropdown_widget.DropdownWidget({
        widget_name: "saved_snippets",
        get_options: saved_snippets.get_options_for_dropdown_widget,
        item_click_callback,
        $events_container: $("body"),
        unique_id_type: dropdown_widget.DataTypes.NUMBER,
        focus_target_on_hidden: false,
        prefer_top_start_placement: true,
        tippy_props: {
            // Using -100 as x offset makes saved snippet icon be in the center
            // of the dropdown widget and 5 as y offset is what we use in compose
            // recipient dropdown widget.
            offset: [-100, 5],
        },
    });
    saved_snippet_dropdown_widget.setup();
};