diff options
Diffstat (limited to 'html/options_main.js')
| -rw-r--r-- | html/options_main.js | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/html/options_main.js b/html/options_main.js new file mode 100644 index 0000000..979fb44 --- /dev/null +++ b/html/options_main.js @@ -0,0 +1,399 @@ +/** + * Myext HTML options page main script + * + * Copyright (C) 2021 Wojtek Kosior + * + * Dual-licensed under: + * - 0BSD license + * - GPLv3 or (at your option) any later version + */ + +"use strict"; + +(() => { + const get_storage = window.get_storage; + const TYPE_PREFIX = window.TYPE_PREFIX; + const TYPE_NAME = window.TYPE_NAME; + const list_prefixes = window.list_prefixes; + + var storage; + function by_id(id) + { + return document.getElementById(id); + } + + const item_li_template = by_id("item_li_template"); + const component_li_template = by_id("component_li_template"); + const selectable_component_li_template = + by_id("selectable_component_li_template"); + /* Make sure they are later cloned without id. */ + item_li_template.removeAttribute("id"); + component_li_template.removeAttribute("id"); + selectable_component_li_template.removeAttribute("id"); + + function item_li_id(prefix, item) + { + return `li_${prefix}_${item}`; + } + + function add_li(prefix, item, at_the_end=false) + { + let ul = ul_by_prefix[prefix]; + let li = item_li_template.cloneNode(true); + li.id = item_li_id(prefix, item); + + let span = li.firstElementChild; + span.textContent = item; + + let edit_button = span.nextElementSibling; + edit_button.addEventListener("click", () => edit_item(prefix, item)); + + let remove_button = edit_button.nextElementSibling; + remove_button.addEventListener("click", + () => storage.remove(prefix, item)); + + if (!at_the_end) { + for (let element of ul.ul.children) { + if (element.id < li.id || element.id.startsWith("work_")) + continue; + + ul.ul.insertBefore(li, element); + return; + } + } + + ul.ul.appendChild(li); + } + + const selectable_components_ul = by_id("selectable_components_ul"); + + function selectable_li_id(prefix, item) + { + return `sli_${prefix}_${item}`; + } + + function add_selectable(prefix, name) + { + if (prefix === TYPE_PREFIX.PAGE) + return; + + let li = selectable_component_li_template.cloneNode(true); + li.id = selectable_li_id(prefix, name); + li.setAttribute("data-prefix", prefix); + li.setAttribute("data-name", name); + + let chbx = li.firstElementChild; + let span = chbx.nextElementSibling; + + span.textContent = `${name} (${TYPE_NAME[prefix]})`; + + selectable_components_ul.appendChild(li); + } + + /* + * Used to construct and update components list of edited + * bundle as well as edited page. + */ + function add_components(ul, components) + { + let components_ul = ul.work_name_input.nextElementSibling; + + for (let component of components) { + let [prefix, name] = component; + let li = component_li_template.cloneNode(true); + li.setAttribute("data-prefix", prefix); + li.setAttribute("data-name", name); + let span = li.firstElementChild; + span.textContent = `${name} (${TYPE_NAME[prefix]})`; + let remove_but = span.nextElementSibling; + remove_but.addEventListener("click", () => + components_ul.removeChild(li)); + components_ul.appendChild(li); + } + + components_ul.appendChild(ul.work_empty_component_li); + } + + /* Used to reset edited bundle as well as edited page. */ + function generic_reset_work_li(ul, item, components) + { + if (item === undefined) { + item = ""; + components = []; + }; + + ul.work_name_input.value = item; + let old_components_ul = ul.work_name_input.nextElementSibling; + let components_ul = old_components_ul.cloneNode(false); + + ul.work_li.insertBefore(components_ul, old_components_ul); + ul.work_li.removeChild(old_components_ul); + + add_components(ul, components); + } + + function reset_work_page_li(ul, item, settings) + { + ul.work_page_allow_chbx.checked = !!settings?.allow; + generic_reset_work_li(ul, item, settings?.components); + } + + /* Used to get edited bundle as well as edited page data for saving. */ + function generic_work_li_data(ul) + { + let components_ul = ul.work_name_input.nextElementSibling; + let component_li = components_ul.firstElementChild; + + let components = []; + + /* Last list element is empty li with id set. */ + while (component_li.id === '') { + components.push([component_li.getAttribute("data-prefix"), + component_li.getAttribute("data-name")]); + component_li = component_li.nextElementSibling; + } + + return [ul.work_name_input.value, components]; + } + + function work_page_li_data(ul) + { + let [url, components] = generic_work_li_data(ul); + let settings = {components, allow : !!ul.work_page_allow_chbx.checked}; + + return [url, settings]; + } + + const script_url_input = by_id("script_url_field"); + const script_sha256_input = by_id("script_sha256_field"); + const script_contents_field = by_id("script_contents_field"); + + function maybe_string(maybe_defined) + { + return maybe_defined === undefined ? "" : maybe_defined + ""; + } + + function reset_work_script_li(ul, name, data) + { + ul.work_name_input.value = maybe_string(name); + script_url_input.value = maybe_string(data?.url); + script_sha256_input.value = maybe_string(data?.hash); + script_contents_field.value = maybe_string(data?.text); + } + + function work_script_li_data(ul) + { + return [ul.work_name_input.value, { + url : script_url_input.value, + hash : script_sha256_input.value, + text : script_contents_field.value + }]; + } + + function cancel_work(prefix) + { + let ul = ul_by_prefix[prefix]; + + if (ul.state === UL_STATE.IDLE) + return; + + if (ul.state === UL_STATE.EDITING_ENTRY) { + add_li(prefix, ul.edited_item); + } + + ul.work_li.classList.add("hide"); + ul.state = UL_STATE.IDLE; + } + + function save_work(prefix) + { + let ul = ul_by_prefix[prefix]; + + if (ul.state === UL_STATE.IDLE) + return; + + let [item, data] = ul.get_work_li_data(ul); + + if (prefix == TYPE_PREFIX.PAGE) + + /* Here we fire promises and return without waiting. */ + + if (ul.state === UL_STATE.EDITING_ENTRY) + storage.replace(prefix, ul.edited_item, item, data); + + if (ul.state === UL_STATE.ADDING_ENTRY) + storage.set(prefix, item, data); + + cancel_work(prefix); + } + + function edit_item(prefix, item) + { + cancel_work(prefix); + + let ul = ul_by_prefix[prefix]; + let li = by_id(item_li_id(prefix, item)); + ul.reset_work_li(ul, item, storage.get(prefix, item)); + ul.ul.insertBefore(ul.work_li, li); + ul.ul.removeChild(li); + ul.work_li.classList.remove("hide"); + + ul.state = UL_STATE.EDITING_ENTRY; + ul.edited_item = item; + } + + function add_new_item(prefix) + { + cancel_work(prefix); + + let ul = ul_by_prefix[prefix]; + ul.reset_work_li(ul); + ul.work_li.classList.remove("hide"); + ul.ul.appendChild(ul.work_li); + + ul.state = UL_STATE.ADDING_ENTRY; + } + + const select_components_window = by_id("select_components_window"); + var select_prefix; + + function select_components(prefix) + { + select_prefix = prefix; + select_components_window.classList.remove("hide"); + + for (let li of selectable_components_ul.children) { + let chbx = li.firstElementChild; + chbx.checked = false; + } + } + + function commit_components() + { + let selected = []; + + for (let li of selectable_components_ul.children) { + let chbx = li.firstElementChild; + if (!chbx.checked) + continue; + + selected.push([li.getAttribute("data-prefix"), + li.getAttribute("data-name")]); + } + + add_components(ul_by_prefix[select_prefix], selected); + cancel_components(); + } + + function cancel_components() + { + select_components_window.classList.add("hide"); + } + + const UL_STATE = { + EDITING_ENTRY : 0, + ADDING_ENTRY : 1, + IDLE : 2 + }; + + const ul_by_prefix = { + [TYPE_PREFIX.PAGE] : { + ul : by_id("pages_ul"), + work_li : by_id("work_page_li"), + work_name_input : by_id("page_url_field"), + work_empty_component_li : by_id("empty_page_component_li"), + work_page_allow_chbx : by_id("page_allow_chbx"), + reset_work_li : reset_work_page_li, + get_work_li_data : work_page_li_data, + state : UL_STATE.IDLE, + edited_item : undefined, + }, + [TYPE_PREFIX.BUNDLE] : { + ul : by_id("bundles_ul"), + work_li : by_id("work_bundle_li"), + work_name_input : by_id("bundle_name_field"), + work_empty_component_li : by_id("empty_bundle_component_li"), + reset_work_li : generic_reset_work_li, + get_work_li_data : generic_work_li_data, + state : UL_STATE.IDLE, + edited_item : undefined, + }, + [TYPE_PREFIX.SCRIPT] : { + ul : by_id("scripts_ul"), + work_li : by_id("work_script_li"), + work_name_input : by_id("script_name_field"), + reset_work_li : reset_work_script_li, + get_work_li_data : work_script_li_data, + state : UL_STATE.IDLE, + edited_item : undefined, + } + } + + async function main() + { + storage = await get_storage(); + + for (let prefix of list_prefixes) { + for (let item of storage.get_all_names(prefix).sort()) { + add_li(prefix, item, true); + add_selectable(prefix, item); + } + } + + storage.add_change_listener(handle_change); + + let commit_components_but = by_id("commit_components_but"); + let cancel_components_but = by_id("cancel_components_but"); + commit_components_but.addEventListener("click", commit_components); + cancel_components_but.addEventListener("click", cancel_components); + + for (let prefix of list_prefixes) { + let add_but = by_id(`add_${TYPE_NAME[prefix]}_but`); + let discard_but = by_id(`${TYPE_NAME[prefix]}_discard_but`); + let save_but = by_id(`${TYPE_NAME[prefix]}_save_but`); + let select_components_but = + by_id(`${TYPE_NAME[prefix]}_select_components_but`); + + add_but.addEventListener("click", () => add_new_item(prefix)); + discard_but.addEventListener("click", () => cancel_work(prefix)); + save_but.addEventListener("click", () => save_work(prefix)); + if (select_components_but === null) + continue; + + select_components_but.addEventListener( + "click", + () => select_components(prefix) + ); + } + } + + function handle_change(change) + { + if (change.old_val === undefined) { + add_li(change.prefix, change.item); + add_selectable(change.prefix, change.item); + return; + } + + if (change.new_val !== undefined) + return; + + let ul = ul_by_prefix[change.prefix]; + if (ul.state === UL_STATE.EDITING_ENTRY && + ul.edited_item === change.item) { + ul.state = UL_STATE.ADDING_ENTRY; + return; + } + + let li = by_id(item_li_id(change.prefix, change.item)); + ul.ul.removeChild(li); + + if (change.prefix === TYPE_PREFIX.PAGE) + return; + + let sli = by_id(selectable_li_id(change.prefix, change.item)); + selectable_components_ul.removeChild(sli); + } + + main(); +})(); |