var photo_clipboard = {}; photo_clipboard.clipboard = new Set(); photo_clipboard.on_load_hooks = []; photo_clipboard.on_save_hooks = []; // Load save /////////////////////////////////////////////////////////////////////////////////////// photo_clipboard.clear_clipboard = function clear_clipboard() { photo_clipboard.clipboard.clear(); photo_clipboard.save_clipboard(); } photo_clipboard.load_clipboard = function load_clipboard(event) { console.log("Loading photo clipboard from localstorage."); var stored = localStorage.getItem("photo_clipboard"); if (stored === null) { if (photo_clipboard.clipboard.size != 0) { photo_clipboard.clipboard = new Set(); } } else { photo_clipboard.clipboard = new Set(JSON.parse(stored)); } for (var index = 0; index < photo_clipboard.on_load_hooks.length; index += 1) { photo_clipboard.on_load_hooks[index](); } return photo_clipboard.clipboard; } photo_clipboard.save_clipboard = function save_clipboard() { console.log("Saving photo clipboard to localstorage."); var serialized = JSON.stringify(Array.from(photo_clipboard.clipboard)); localStorage.setItem("photo_clipboard", serialized); photo_clipboard.update_pagestate(); for (var index = 0; index < photo_clipboard.on_save_hooks.length; index += 1) { photo_clipboard.on_save_hooks[index](); } } // Card management ///////////////////////////////////////////////////////////////////////////////// photo_clipboard.apply_check = function apply_check(photo_card) { /* Given a photo card div, set its checkbox to the correct value based on whether the clipboard contains this card's ID. */ var checkbox = photo_card.getElementsByClassName("photo_card_selector_checkbox")[0]; checkbox.checked = photo_clipboard.clipboard.has(photo_card.dataset.id); if (checkbox.checked) { photo_card.classList.remove("photo_card_unselected"); photo_card.classList.add("photo_card_selected"); } else { photo_card.classList.remove("photo_card_selected"); photo_card.classList.add("photo_card_unselected"); } } photo_clipboard.apply_check_all = function apply_check_all() { /* Run through all the photo cards on the page and set their checkbox to the correct value. */ var photo_divs = Array.from(document.getElementsByClassName("photo_card")); photo_divs.forEach(photo_clipboard.apply_check); } photo_clipboard._action_select = function(photo_div){photo_clipboard.clipboard.add(photo_div.dataset.id)} photo_clipboard._action_unselect = function(photo_div){photo_clipboard.clipboard.delete(photo_div.dataset.id)} photo_clipboard.previous_photo_select = null; photo_clipboard.on_photo_select = function on_photo_select(event) { /* Select or unselect the clicked photo, with support for Shift-click to action everything between the previous click and this one inclusively. Those middle items will be set to the same state as the new state of the clicked item. */ if (event.target.checked) { action = photo_clipboard._action_select; } else { action = photo_clipboard._action_unselect; } if (event.shiftKey && photo_clipboard.previous_photo_select) { var current_photo_div = event.target.parentElement; var previous_photo_div = photo_clipboard.previous_photo_select.target.parentElement; var photo_divs = Array.from(current_photo_div.parentElement.children); var current_index = photo_divs.indexOf(current_photo_div); var previous_index = photo_divs.indexOf(previous_photo_div); var slice; if (current_index == previous_index) { slice = [current_photo_div]; } else { var left = Math.min(previous_index, current_index); var right = Math.max(previous_index, current_index); slice = photo_divs.slice(left, right + 1); } slice.forEach(action); } else { var photo_div = event.target.parentElement; action(photo_div); } photo_clipboard.previous_photo_select = event; photo_clipboard.save_clipboard(); } photo_clipboard.select_all_photos = function select_all_photos() { var photo_divs = Array.from(document.getElementsByClassName("photo_card")); photo_divs.forEach(photo_clipboard._action_select); photo_clipboard.apply_check_all(); photo_clipboard.save_clipboard(); } photo_clipboard.unselect_all_photos = function unselect_all_photos() { var photo_divs = Array.from(document.getElementsByClassName("photo_card")); photo_divs.forEach(photo_clipboard._action_unselect); photo_clipboard.apply_check_all() photo_clipboard.previous_photo_select = null; photo_clipboard.save_clipboard(); } // Tray management ///////////////////////////////////////////////////////////////////////////////// photo_clipboard.clipboard_tray_collapse = function clipboard_tray_collapse() { var tray_body = document.getElementById("clipboard_tray_body"); tray_body.classList.add("hidden"); } photo_clipboard.clipboard_tray_uncollapse = function clipboard_tray_uncollapse() { var tray_body = document.getElementById("clipboard_tray_body"); tray_body.classList.remove("hidden"); photo_clipboard.update_clipboard_tray(); } photo_clipboard.clipboard_tray_collapse_toggle = function clipboard_tray_collapse_toggle() { /* Show or hide the clipboard. */ var tray_body = document.getElementById("clipboard_tray_body"); if (!tray_body) { return; } if (tray_body.classList.contains("hidden") && photo_clipboard.clipboard.size > 0) { photo_clipboard.clipboard_tray_uncollapse(); } else { photo_clipboard.clipboard_tray_collapse(); } } photo_clipboard.ingest_toolbox_items = function ingest_toolbox_items() { /* The page may provide divs with the class "my_clipboard_tray_toolbox", and we will migrate all the elements into the real clipboard tray toolbox. */ var toolbox = document.getElementById("clipboard_tray_toolbox"); var moreboxes = document.getElementsByClassName("my_clipboard_tray_toolbox"); for (var i = 0; i < moreboxes.length; i += 1) { var box = moreboxes[i]; while (box.firstElementChild) { toolbox.appendChild(box.firstElementChild); } box.parentElement.removeChild(box); } } photo_clipboard.on_tray_delete_button = function on_tray_delete_button(event) { /* Remove the clicked row from the clipboard. */ var clipboard_line = event.target.parentElement; var photo_id = clipboard_line.dataset.id; photo_clipboard.clipboard.delete(photo_id); photo_clipboard.save_clipboard(); } photo_clipboard.update_clipboard_tray = function update_clipboard_tray() { /* Rebuild the rows if the tray is open. */ var clipboard_tray = document.getElementById("clipboard_tray"); if (clipboard_tray === null) { return; } if (photo_clipboard.clipboard.size == 0) { photo_clipboard.clipboard_tray_collapse(); } var tray_lines = document.getElementById("clipboard_tray_lines"); if (!clipboard_tray.classList.contains("hidden")) { common.delete_all_children(tray_lines); var photo_ids = Array.from(photo_clipboard.clipboard); photo_ids.sort(); for (var i = 0; i < photo_ids.length; i += 1) { var clipboard_line = document.createElement("div"); clipboard_line.classList.add("clipboard_tray_line"); clipboard_line.dataset.id = photo_ids[i]; var clipboard_line_delete_button = document.createElement("button"); clipboard_line_delete_button.classList.add("remove_tag_button_perm"); clipboard_line_delete_button.classList.add("red_button"); clipboard_line_delete_button.onclick = photo_clipboard.on_tray_delete_button; var clipboard_line_link = document.createElement("a"); clipboard_line_link.target = "_blank"; clipboard_line_link.href = "/photo/" + photo_ids[i]; clipboard_line_link.innerText = photo_ids[i]; clipboard_line.appendChild(clipboard_line_delete_button); clipboard_line.appendChild(clipboard_line_link); tray_lines.appendChild(clipboard_line); } } } // Page and event management /////////////////////////////////////////////////////////////////////// photo_clipboard.open_full_clipboard_tab = function open_full_clipboard_tab() { window.open("/clipboard"); } photo_clipboard.update_clipboard_count = function update_clipboard_count() { var elements = document.getElementsByClassName("clipboard_count"); for (var index = 0; index < elements.length; index += 1) { elements[index].innerText = photo_clipboard.clipboard.size; } } photo_clipboard.on_storage_event = function on_storage_event() { /* Receive storage events from other tabs and update our state to match. */ photo_clipboard.load_clipboard(); photo_clipboard.update_pagestate(); } photo_clipboard.update_pagestate = function update_pagestate() { /* Update all relevant DOM elements to match internal state. */ photo_clipboard.update_clipboard_count(); photo_clipboard.update_clipboard_tray(); photo_clipboard.apply_check_all(); } photo_clipboard.on_pageload = function on_pageload() { window.addEventListener("storage", photo_clipboard.on_storage_event, false); hotkeys.register_hotkey("ctrl a", photo_clipboard.select_all_photos, "Select all photos."); hotkeys.register_hotkey("ctrl d", photo_clipboard.unselect_all_photos, "Deselect all photos."); hotkeys.register_hotkey("c", photo_clipboard.clipboard_tray_collapse_toggle, "Toggle clipboard tray."); hotkeys.register_hotkey("shift c", photo_clipboard.open_full_clipboard_tab, "Open full clipboard page."); photo_clipboard.ingest_toolbox_items(); photo_clipboard.load_clipboard(); photo_clipboard.update_pagestate(); } document.addEventListener("DOMContentLoaded", photo_clipboard.on_pageload);