Files
danbooru/app/javascript/src/javascripts/notes.js
evazion 56ea6b9ec5 Merge pull request #4387 from BrokenEagle/embedded-note-alignment
Add additional settable attributes for embedded notes alignment
2020-04-04 02:20:24 -05:00

1072 lines
36 KiB
JavaScript

import CurrentUser from './current_user'
import Utility from './utility'
let Note = {
HIDE_DELAY: 250,
NORMALIZE_ATTRIBUTES: ['letter-spacing', 'line-height', 'margin-left', 'margin-right', 'margin-top', 'margin-bottom', 'padding-left', 'padding-right', 'padding-top', 'padding-bottom'],
COPY_ATTRIBUTES: ['background-color', 'border-radius', 'transform', 'justify-content', 'align-items'],
permitted_style_values: function(attribute, $attribute_child) {
if ($attribute_child.length === 0) {
return "";
}
let found_attribute = $attribute_child.attr('style').split(';').filter(val => val.match(RegExp(`(^| )${attribute}:`)));
if (found_attribute.length === 0) {
return "";
}
let [, value] = found_attribute[0].trim().split(':').map(val => val.trim());
if (attribute === "background-color") {
const color_code = $attribute_child.css('background-color');
return color_code.startsWith('rgba') ? "" : value;
}
if (attribute === "transform") {
let rotate_match = value.match(/rotate\([^)]+\)/);
return rotate_match ? rotate_match[0] : "";
}
return value;
},
Box: {
create: function(id) {
var $inner_border = $('<div/>');
$inner_border.addClass("note-box-inner-border");
var $note_box = $('<div/>');
$note_box.addClass("note-box");
if (Note.embed) {
$note_box.addClass("embedded");
}
$note_box.data("id", String(id));
$note_box.attr("data-id", String(id));
$note_box.draggable({
containment: $("#image"),
stop: function(e, ui) {
Note.Box.update_data_attributes($note_box);
}
});
$note_box.resizable({
containment: $("#image"),
handles: "se, nw",
stop: function(e, ui) {
Note.Box.update_data_attributes($note_box);
}
});
$note_box.css({position: "absolute"});
$note_box.append($inner_border);
Note.Box.bind_events($note_box);
return $note_box;
},
update_data_attributes: function($note_box) {
var $image = $("#image");
var ratio = $image.width() / parseFloat($image.data("original-width"));
var new_x = parseFloat($note_box.css("left"));
var new_y = parseFloat($note_box.css("top"));
var new_width = parseFloat($note_box.css("width"));
var new_height = parseFloat($note_box.css("height"));
new_x = parseInt(new_x / ratio);
new_y = parseInt(new_y / ratio);
new_width = parseInt(new_width / ratio);
new_height = parseInt(new_height / ratio);
$note_box.data("x", new_x);
$note_box.data("y", new_y);
$note_box.data("width", new_width);
$note_box.data("height", new_height);
},
copy_style_attributes: function($note_box) {
const $attribute_child = $note_box.find('.note-box-attributes');
let has_rotation = false;
Note.COPY_ATTRIBUTES.forEach((attribute)=>{
const attribute_value = Note.permitted_style_values(attribute, $attribute_child);
$note_box.css(attribute, attribute_value);
if (attribute === "transform" && attribute_value.startsWith("rotate")) {
has_rotation = true;
}
});
if (has_rotation) {
const current_left = Math.round(parseFloat($note_box.css("left")));
const current_top = Math.round(parseFloat($note_box.css("top")));
const position = Note.Box.get_min_max_position($note_box);
// Checks for the scenario where the user sets invalid box values through the API
// or by adjusting the box dimensions through the browser's dev console before saving
if (current_left !== position.norm_left || current_top !== position.norm_top) {
$note_box.css({
top: position.percent_top,
left: position.percent_left,
});
$note_box.addClass("out-of-bounds");
} else {
$note_box.removeClass("out-of-bounds");
}
$note_box.data('has_rotation', true);
} else {
$note_box.data('has_rotation', false);
}
},
bind_events: function($note_box) {
$note_box.on(
"dragstart.danbooru resizestart.danbooru",
function(e) {
var $note_box_inner = $(e.currentTarget);
$note_box_inner.addClass("unsaved");
Note.dragging = true;
Note.clear_timeouts();
Note.Body.hide_all();
e.stopPropagation();
}
);
$note_box.on(
"dragstop.danbooru resizestop.danbooru",
function(e) {
Note.dragging = false;
e.stopPropagation();
}
);
$note_box.on(
"mouseover.danbooru mouseout.danbooru",
function(e) {
if (Note.dragging || Utility.test_max_width(660)) {
return;
}
var $this = $(this);
var $note_box_inner = $(e.currentTarget);
const note_id = $note_box_inner.data("id");
if (e.type === "mouseover") {
Note.Body.show(note_id);
if (Note.editing) {
$this.resizable("enable");
$this.draggable("enable");
}
$note_box.addClass("hovering");
} else if (e.type === "mouseout") {
Note.Body.hide(note_id);
if (Note.editing) {
$this.resizable("disable");
$this.draggable("disable");
}
$note_box.removeClass("hovering");
}
e.stopPropagation();
}
);
$note_box.on(
"click.danbooru",
function (event) {
const note_id = $note_box.data("id");
if (!Utility.test_max_width(660)) {
$(".note-box").removeClass("movable");
if (note_id === Note.move_id) {
Note.move_id = null;
} else {
Note.move_id = note_id;
$note_box.addClass("movable");
}
} else if ($note_box.hasClass("viewing")) {
Note.Body.hide(note_id);
$note_box.removeClass("viewing");
} else {
$(".note-box").removeClass("viewing");
Note.Body.show(note_id);
$note_box.addClass("viewing");
}
}
);
$note_box.on("mousedown.danbooru", function(event) {
Note.drag_id = $note_box.data('id');
});
$note_box.on("mouseup.danbooru.drag", Note.Box.drag_stop);
},
find: function(id) {
return $(".note-container div.note-box[data-id=" + id + "]");
},
drag_stop: function(event) {
if (Note.drag_id !== null) {
const $image = $("#image");
const $note_box = Note.Box.find(Note.drag_id);
const dimensions = {
top: (100 * ($note_box.position().top / $image.height())) + '%',
left: (100 * ($note_box.position().left / $image.width())) + '%',
height: (100 * ($note_box.height() / $image.height())) + '%',
width: (100 * ($note_box.width() / $image.width())) + '%',
};
if (Note.embed && $note_box.data('has_rotation')) {
const position = Note.Box.get_min_max_position($note_box);
Object.assign(dimensions, {
top: position.percentage_top,
left: position.percentage_left,
});
}
$note_box.css(dimensions);
Note.drag_id = null;
}
},
key_nudge: function(event) {
if (!Note.move_id) {
return;
}
const $note_box = Note.Box.find(Note.move_id);
if ($note_box.length === 0) {
return;
}
let computed_style = window.getComputedStyle($note_box[0]);
let current_top = Math.round(parseFloat(computed_style.top));
let current_left = Math.round(parseFloat(computed_style.left));
switch (event.originalEvent.key) {
case "ArrowUp":
current_top--;
break;
case "ArrowDown":
current_top++;
break;
case "ArrowLeft":
current_left--;
break;
case "ArrowRight":
current_left++;
break;
default:
// do nothing
}
let position = Note.Box.get_min_max_position($note_box, current_top, current_left);
$note_box.css({
top: position.percent_top,
left: position.percent_left,
});
$note_box.addClass("unsaved");
event.preventDefault();
},
key_resize: function (event) {
if (!Note.move_id) {
return;
}
const $note_box = Note.Box.find(Note.move_id);
if ($note_box.length === 0) {
return;
}
let computed_style = window.getComputedStyle($note_box[0]);
let current_top = Math.round(parseFloat(computed_style.top));
let current_left = Math.round(parseFloat(computed_style.left));
let current_height = $note_box.height();
let current_width = $note_box.width();
switch (event.originalEvent.key) {
case "ArrowUp":
current_height--;
break;
case "ArrowDown":
current_height++;
break;
case "ArrowLeft":
current_width--;
break;
case "ArrowRight":
current_width++;
break;
default:
// do nothing
}
const position = Note.Box.get_min_max_position($note_box, null, null, current_height, current_width);
if (current_top === position.norm_top && current_left === position.norm_left) {
$note_box.css({
height: current_height,
width: current_width,
});
}
$note_box.addClass("unsaved");
event.preventDefault();
},
get_min_max_position: function($note_box, current_top = null, current_left = null, current_height = null, current_width = null) {
const computed_style = window.getComputedStyle($note_box[0]);
current_top = (current_top === null ? parseFloat(computed_style.top) : current_top);
current_left = (current_left === null ? parseFloat(computed_style.left) : current_left);
current_height = current_height || $note_box.height();
current_width = current_width || $note_box.width();
const $image = $("#image");
const image_height = $image.height();
const image_width = $image.width();
const box_data = Note.Box.get_bounding_box($note_box, current_height, current_width);
if (((box_data.max_x - box_data.min_x) <= image_width) && ((box_data.max_y - box_data.min_y) <= image_height)) {
current_top = Math.min(Math.max(current_top, -box_data.min_y, 0), image_height - box_data.max_y - 2, image_height - box_data.min_y - box_data.max_y - 2, image_height);
current_left = Math.min(Math.max(current_left, -box_data.min_x, 0), image_width - box_data.max_x - 2, image_width - box_data.min_x - box_data.max_x - 2, image_width);
} else {
Utility.error("Box too large to be rotated!");
$note_box.css('transform', 'none');
}
return {
norm_top: Math.round(current_top),
norm_left: Math.round(current_left),
percent_top: (100 * (current_top / $image.height())) + '%',
percent_left: (100 * (current_left / $image.width())) + '%',
};
},
get_bounding_box: function($note_box, height = null, width = null) {
height = height || $note_box.height();
width = width || $note_box.width();
let old_coord = [[0, 0], [width, 0], [0, height], [width, height]];
const computed_style = window.getComputedStyle($note_box[0]);
const match = computed_style.transform.match(/matrix\(([-e0-9.]+), ([-e0-9.]+)/);
if (!match) {
return {
min_x: 0,
min_y: 0,
max_x: width,
max_y: height,
norm_coord: old_coord,
degrees: 0,
}
}
const costheta = Math.round(match[1] * 1000) / 1000;
const sintheta = Math.round(match[2] * 1000) / 1000;
let trans_x = width / 2;
let trans_y = height / 2;
let min_x = Infinity;
let max_x = 0;
let min_y = Infinity;
let max_y = 0;
const new_coord = old_coord.map((coord)=>{
let temp_x = coord[0] - trans_x;
let temp_y = coord[1] - trans_y;
let rotated_x = (temp_x * costheta) - (temp_y * sintheta);
let rotated_y = (temp_x * sintheta) + (temp_y * costheta);
let new_x = rotated_x + trans_x;
let new_y = rotated_y + trans_y;
min_x = Math.min(min_x, new_x);
max_x = Math.max(max_x, new_x);
min_y = Math.min(min_y, new_y);
max_y = Math.max(max_y, new_y);
return [new_x, new_y];
});
const norm_coord = new_coord.map((coord)=>{
return [coord[0] - min_x, coord[1] - min_y];
});
const radians_per_degree = 0.017453292519943295;
const degrees = Math.asin(sintheta) / radians_per_degree;
return {
min_x: min_x,
min_y: min_y,
max_x: max_x,
max_y: max_y,
norm_coord: norm_coord,
degrees: degrees,
};
},
show_highlighted: function($note_box) {
var note_id = $note_box.data("id");
Note.Body.show(note_id);
$(".note-box-highlighted").removeClass("note-box-highlighted");
$note_box.addClass("note-box-highlighted");
$note_box[0].scrollIntoView(false);
},
scale: function($note_box) {
var $image = $("#image");
var original_width = $image.data("original-width");
var original_height = $image.data("original-height");
var x_percent = 100 * ($note_box.data('x') / original_width);
var y_percent = 100 * ($note_box.data('y') / original_height);
var height_percent = 100 * ($note_box.data('height') / original_height);
var width_percent = 100 * ($note_box.data('width') / original_width);
$note_box.css({
top: y_percent + '%',
left: x_percent + '%',
width: width_percent + '%',
height: height_percent + '%',
});
},
scale_all: function() {
const $container = $('.note-container');
if ($container.length === 0) {
return;
}
let $image = $("#image");
if (Note.embed) {
let large_width = parseFloat($image.data('large-width'));
let ratio = $image.width() / large_width;
let font_percentage = ratio * 100;
$container.css('font-size', font_percentage + '%');
}
},
toggle_all: function() {
$(".note-container").toggleClass("hide-notes");
}
},
Body: {
create: function(id) {
var $note_body = $('<div></div>');
$note_body.addClass("note-body");
$note_body.data("id", String(id));
$note_body.attr("data-id", String(id));
$note_body.hide();
Note.Body.bind_events($note_body);
return $note_body;
},
initialize: function($note_body) {
var $note_box = Note.Box.find($note_body.data("id"));
if (Note.embed && $note_box.data('has_rotation')) {
const box_data = Note.Box.get_bounding_box($note_box);
// Select the lowest box corner to the farthest left
let selected_corner = box_data.norm_coord.reduce(function (selected, coord) {return (selected[1] > coord[1]) || (selected[1] === coord[1] && selected[0] < coord[0]) ? selected : coord;});
let normalized_degrees = box_data.degrees % 90.0;
// Align to the left or right body corner depending upon the box angle
let body_corner = $note_box.position().left - (normalized_degrees > 0.0 && normalized_degrees <= 45.0 ? $note_body.width() : 0);
$note_body.css({
top: $note_box.position().top + selected_corner[1] + 5,
left: body_corner + selected_corner[0],
});
} else {
$note_body.css({
top: $note_box.position().top + $note_box.height() + 5,
left: $note_box.position().left,
});
}
Note.Body.bound_position($note_body);
},
bound_position: function($note_body) {
var $image = $("#image");
var doc_width = $image.offset().left + $image.width();
if ($note_body.offset().left + $note_body.width() > doc_width) {
$note_body.css({
left: $note_body.position().left - 10 - ($note_body.offset().left + $note_body.width() - doc_width)
});
}
},
show: function(id) {
Note.Body.hide_all();
Note.clear_timeouts();
var $note_body = Note.Body.find(id);
if (!$note_body.data('resized')) {
Note.Body.resize($note_body);
$note_body.data('resized', 'true');
}
$note_body.show();
Note.Body.initialize($note_body);
},
find: function(id) {
return $(".note-container div.note-body[data-id=" + id + "]");
},
hide: function(id) {
var $note_body = Note.Body.find(id);
Note.timeouts.push(setTimeout(() => $note_body.hide(), Note.HIDE_DELAY));
},
hide_all: function() {
$(".note-container div.note-body").hide();
},
resize: function($note_body) {
$note_body.css("min-width", "");
var w = $note_body.width();
var h = $note_body.height();
var golden_ratio = 1.6180339887;
var last = 0;
var x = 0;
var lo = 0;
var hi = 0;
if ((w / h) < golden_ratio) {
lo = 140;
hi = 400;
do {
last = w;
x = (lo + hi) / 2;
$note_body.css("min-width", x);
w = $note_body.width();
h = $note_body.height();
if ((w / h) < golden_ratio) {
lo = x;
} else {
hi = x;
}
} while ((lo < hi) && (w > last));
} else if ($note_body[0].scrollWidth <= $note_body.width()) {
lo = 20;
hi = w;
do {
x = (lo + hi) / 2;
$note_body.css("min-width", x);
if ($note_body.height() > h) {
lo = x
} else {
hi = x;
}
} while ((hi - lo) > 4);
if ($note_body.height() > h) {
$note_body.css("min-width", hi);
}
}
},
set_text: function($note_body, $note_box, text) {
if (Note.embed) {
const $note_inner_box = $note_box.find("div.note-box-inner-border");
Note.Body.display_text($note_inner_box, text);
// Reset the font size so that the normalization calculations will be correct
$note_inner_box.css("font-size", Note.base_font_size + "px");
Note.normalize_sizes($note_inner_box.children(), Note.base_font_size);
// Clear the font size so that the fonts will be scaled to the current value
$note_inner_box.css("font-size", "");
Note.Box.copy_style_attributes($note_box);
} else {
Note.Body.display_text($note_body, text);
}
Note.Body.resize($note_body);
Note.Body.bound_position($note_body);
},
display_text: function($note_body, text) {
text = text.replace(/<tn>/g, '<p class="tn">');
text = text.replace(/<\/tn>/g, '</p>');
text = text.replace(/\n/g, '<br>');
$note_body.html(text);
},
bind_events: function($note_body) {
$note_body.on("mouseover.danbooru", function(e) {
var $note_body_inner = $(e.currentTarget);
Note.Body.show($note_body_inner.data("id"));
e.stopPropagation();
});
$note_body.on("mouseout.danbooru", function(e) {
var $note_body_inner = $(e.currentTarget);
Note.Body.hide($note_body_inner.data("id"));
e.stopPropagation();
});
if (CurrentUser.data("is-anonymous") === false) {
$note_body.on("click.danbooru", function(e) {
if (e.target.tagName !== "A") {
var $note_body_inner = $(e.currentTarget);
Note.Edit.show($note_body_inner);
}
e.stopPropagation();
});
} else {
$note_body.on("click.danbooru", function(e) {
if (e.target.tagName !== "A") {
Utility.notice("You must be logged in to edit notes");
}
e.stopPropagation();
});
}
}
},
Edit: {
show: function($note_body) {
var id = $note_body.data("id");
if (Note.editing) {
return;
}
$(".note-box").resizable("disable");
$(".note-box").draggable("disable");
$(".note-box").addClass("editing");
let $textarea = $('<textarea></textarea>');
$textarea.css({
width: "97%",
height: "85%",
resize: "none",
});
if ($note_body.html() !== "<em>Click to edit</em>") {
$textarea.val($note_body.data("original-body"));
}
let $dialog = $('<div></div>');
let note_title = (typeof id === 'string' && id.startsWith('x') ? 'Creating new note' : 'Editing note #' + id);
$dialog.append('<span><b>' + note_title + ' (<a href="/wiki_pages/help:notes">view help</a>)</b></span>');
$dialog.append($textarea);
$dialog.data("id", id);
$dialog.dialog({
width: 360,
height: 240,
position: {
my: "right",
at: "right-20",
of: window
},
classes: {
"ui-dialog": "note-edit-dialog",
},
buttons: {
"Save": Note.Edit.save,
"Preview": Note.Edit.preview,
"Cancel": Note.Edit.cancel,
"Delete": Note.Edit.destroy,
"History": Note.Edit.history
}
});
$dialog.data("uiDialog")._title = function(title) {
title.html(this.options.title); // Allow unescaped html in dialog title
}
$dialog.on("dialogclose.danbooru", function() {
Note.editing = false;
$(".note-box").resizable("enable");
$(".note-box").draggable("enable");
$(".note-box").removeClass("editing");
});
$textarea.selectEnd();
Note.editing = true;
},
parameterize_note: function($note_box, $note_body) {
var $image = $("#image");
var original_width = parseInt($image.data("original-width"));
var ratio = parseInt($image.width()) / original_width;
var hash = {
note: {
x: Math.round($note_box.position().left / ratio),
y: Math.round($note_box.position().top / ratio),
width: Math.round($note_box.width() / ratio),
height: Math.round($note_box.height() / ratio),
body: $note_body.data("original-body"),
}
}
if ($note_box.data("id").match(/x/)) {
hash.note.html_id = $note_box.data("id");
hash.note.post_id = Utility.meta("post-id");
}
return hash;
},
error_handler: function(xhr, status, exception) {
Utility.error("Error: " + (xhr.responseJSON.reason || xhr.responseJSON.reasons.join("; ")));
},
success_handler: function(data, status, xhr) {
var $note_box = null;
if (data.html_id) { // new note
var $note_body = Note.Body.find(data.html_id);
$note_box = Note.Box.find(data.html_id);
$note_body.data("id", String(data.id)).attr("data-id", data.id);
$note_box.data("id", String(data.id)).attr("data-id", data.id);
$note_box.removeClass("unsaved");
$note_box.removeClass("movable");
} else {
$note_box = Note.Box.find(data.id);
$note_box.removeClass("unsaved");
$note_box.removeClass("movable");
}
Note.move_id = null;
},
save: function() {
var $this = $(this);
var $textarea = $this.find("textarea");
var id = $this.data("id");
var $note_body = Note.Body.find(id);
var $note_box = Note.Box.find(id);
var text = $textarea.val();
$note_body.data("original-body", text);
Note.Body.set_text($note_body, $note_box, "Loading...");
$.get("/note_previews.json", {body: text}).then(function(data) {
Note.Body.set_text($note_body, $note_box, data.body);
Note.Body.initialize($note_body);
$note_body.show();
});
$this.dialog("close");
if (id.match(/\d/)) {
$.ajax("/notes/" + id + ".json", {
type: "PUT",
data: Note.Edit.parameterize_note($note_box, $note_body),
error: Note.Edit.error_handler,
success: Note.Edit.success_handler
});
} else {
$.ajax("/notes.json", {
type: "POST",
data: Note.Edit.parameterize_note($note_box, $note_body),
error: Note.Edit.error_handler,
success: Note.Edit.success_handler
});
}
},
preview: function() {
var $this = $(this);
var $textarea = $this.find("textarea");
var id = $this.data("id");
var $note_body = Note.Body.find(id);
var text = $textarea.val();
var $note_box = Note.Box.find(id);
$note_box.addClass("unsaved");
Note.Body.set_text($note_body, $note_box, "Loading...");
$.get("/note_previews.json", {body: text}).then(function(data) {
Note.Body.set_text($note_body, $note_box, data.body);
Note.Body.initialize($note_body);
$note_body.show();
});
},
cancel: function() {
$(this).dialog("close");
},
destroy: function() {
if (!confirm("Do you really want to delete this note?")) {
return
}
var $this = $(this);
var id = $this.data("id");
if (id.match(/\d/)) {
$.ajax("/notes/" + id + ".json", {
type: "DELETE",
success: function() {
Note.Box.find(id).remove();
Note.Body.find(id).remove();
$this.dialog("close");
}
});
}
},
history: function() {
var $this = $(this);
var id = $this.data("id");
if (id.match(/\d/)) {
window.location.href = "/note_versions?search[note_id]=" + id;
}
$(this).dialog("close");
}
},
TranslationMode: {
active: false,
toggle: function(e) {
if (Note.TranslationMode.active) {
Note.TranslationMode.stop(e);
} else {
Note.TranslationMode.start(e);
}
},
start: function(e) {
e.preventDefault();
if (CurrentUser.data("is-anonymous")) {
Utility.notice("You must be logged in to edit notes");
return;
}
if (Note.TranslationMode.active) {
return;
}
$("#image").css("cursor", "crosshair");
Note.TranslationMode.active = true;
$(document.body).addClass("mode-translation");
$("#image").off("click.danbooru", Note.Box.toggle_all);
$("#image").on("mousedown.danbooru.note", Note.TranslationMode.Drag.start);
$(document).on("mouseup.danbooru.note", Note.TranslationMode.Drag.stop);
$("#mark-as-translated-section").show();
Utility.notice('Translation mode is on. Drag on the image to create notes. <a href="#">Turn translation mode off</a> (shortcut is <span class="key">n</span>).');
$("#notice a:contains(Turn translation mode off)").on("click.danbooru", Note.TranslationMode.stop);
},
stop: function(e) {
e.preventDefault();
Note.TranslationMode.active = false;
$("#image").css("cursor", "auto");
$("#image").on("click.danbooru", Note.Box.toggle_all);
$("#image").off("mousedown.danbooru.note", Note.TranslationMode.Drag.start);
$(document).off("mouseup.danbooru.note", Note.TranslationMode.Drag.stop);
$(document.body).removeClass("mode-translation");
$("#close-notice-link").click();
$("#mark-as-translated-section").hide();
},
create_note: function(e, x, y, w, h) {
if (w > 9 || h > 9) { /* minimum note size: 10px */
if (w <= 9) {
w = 10;
} else if (h <= 9) {
h = 10;
}
Note.create(x, y, w, h);
}
$(".note-container").removeClass("hide-notes");
e.stopPropagation();
e.preventDefault();
},
Drag: {
dragging: false,
dragStartX: 0,
dragStartY: 0,
dragDistanceX: 0,
dragDistanceY: 0,
x: 0,
y: 0,
w: 0,
h: 0,
start: function (e) {
if (e.which !== 1) {
return;
}
e.preventDefault(); /* don't drag the image */
$(document).on("mousemove.danbooru", Note.TranslationMode.Drag.drag);
Note.TranslationMode.Drag.dragStartX = e.pageX;
Note.TranslationMode.Drag.dragStartY = e.pageY;
},
drag: function (e) {
Note.TranslationMode.Drag.dragDistanceX = e.pageX - Note.TranslationMode.Drag.dragStartX;
Note.TranslationMode.Drag.dragDistanceY = e.pageY - Note.TranslationMode.Drag.dragStartY;
var $image = $("#image");
var offset = $image.offset();
var limitX1 = $image.width() - Note.TranslationMode.Drag.dragStartX + offset.left - 1;
var limitX2 = offset.left - Note.TranslationMode.Drag.dragStartX;
var limitY1 = $image.height() - Note.TranslationMode.Drag.dragStartY + offset.top - 1;
var limitY2 = offset.top - Note.TranslationMode.Drag.dragStartY;
if (Note.TranslationMode.Drag.dragDistanceX > limitX1) {
Note.TranslationMode.Drag.dragDistanceX = limitX1;
} else if (Note.TranslationMode.Drag.dragDistanceX < limitX2) {
Note.TranslationMode.Drag.dragDistanceX = limitX2;
}
if (Note.TranslationMode.Drag.dragDistanceY > limitY1) {
Note.TranslationMode.Drag.dragDistanceY = limitY1;
} else if (Note.TranslationMode.Drag.dragDistanceY < limitY2) {
Note.TranslationMode.Drag.dragDistanceY = limitY2;
}
if (Math.abs(Note.TranslationMode.Drag.dragDistanceX) > 9 && Math.abs(Note.TranslationMode.Drag.dragDistanceY) > 9) {
Note.TranslationMode.Drag.dragging = true; /* must drag at least 10pixels (minimum note size) in both dimensions. */
}
if (Note.TranslationMode.Drag.dragging) {
if (Note.TranslationMode.Drag.dragDistanceX >= 0) {
Note.TranslationMode.Drag.x = Note.TranslationMode.Drag.dragStartX - offset.left;
Note.TranslationMode.Drag.w = Note.TranslationMode.Drag.dragDistanceX;
} else {
Note.TranslationMode.Drag.x = Note.TranslationMode.Drag.dragStartX - offset.left + Note.TranslationMode.Drag.dragDistanceX;
Note.TranslationMode.Drag.w = -Note.TranslationMode.Drag.dragDistanceX;
}
if (Note.TranslationMode.Drag.dragDistanceY >= 0) {
Note.TranslationMode.Drag.y = Note.TranslationMode.Drag.dragStartY - offset.top;
Note.TranslationMode.Drag.h = Note.TranslationMode.Drag.dragDistanceY;
} else {
Note.TranslationMode.Drag.y = Note.TranslationMode.Drag.dragStartY - offset.top + Note.TranslationMode.Drag.dragDistanceY;
Note.TranslationMode.Drag.h = -Note.TranslationMode.Drag.dragDistanceY;
}
$('#note-preview').css({
display: 'block',
left: (Note.TranslationMode.Drag.x + 1),
top: (Note.TranslationMode.Drag.y + 1),
width: (Note.TranslationMode.Drag.w - 3),
height: (Note.TranslationMode.Drag.h - 3)
});
}
},
stop: function (e) {
if (e.which !== 1) {
return;
}
if (Note.TranslationMode.Drag.dragStartX === 0) {
return; /* 'stop' is bound to window, don't create note if start wasn't triggered */
}
$(document).off("mousemove.danbooru", Note.TranslationMode.Drag.drag);
if (Note.TranslationMode.Drag.dragging) {
$('#note-preview').css({ display: 'none' });
Note.TranslationMode.create_note(e, Note.TranslationMode.Drag.x, Note.TranslationMode.Drag.y, Note.TranslationMode.Drag.w - 1, Note.TranslationMode.Drag.h - 1);
Note.TranslationMode.Drag.dragging = false; /* border of the note is pixel-perfect on the preview border */
} else { /* no dragging -> toggle display of notes */
Note.Box.toggle_all();
}
Note.TranslationMode.Drag.dragStartX = 0;
Note.TranslationMode.Drag.dragStartY = 0;
}
}
},
id: "x",
dragging: false,
editing: false,
move_id: null,
drag_id: null,
base_font_size: null,
timeouts: [],
pending: {},
add: function(container, id, x, y, w, h, original_body, sanitized_body) {
var $note_box = Note.Box.create(id);
var $note_body = Note.Body.create(id);
$note_box.data('x', x);
$note_box.data('y', y);
$note_box.data('width', w);
$note_box.data('height', h);
container.appendChild($note_box[0]);
container.appendChild($note_body[0]);
$note_body.data("original-body", original_body);
Note.Box.scale($note_box);
if (Note.embed) {
Note.Body.display_text($note_box.children("div.note-box-inner-border"), sanitized_body);
Note.Body.display_text($note_body, "Click to edit.");
} else {
Note.Body.display_text($note_body, sanitized_body);
}
},
create: function(x, y, w, h) {
var $note_box = Note.Box.create(Note.id);
var $note_body = Note.Body.create(Note.id);
$note_box.css({
top: y,
left: x,
width: w,
height: h
});
Note.Box.update_data_attributes($note_box);
$note_box.addClass("unsaved");
$note_body.html("<em>Click to edit</em>");
$(".note-container").append($note_box);
$(".note-container").append($note_body);
Note.id += "x";
},
normalize_sizes: function ($note_elements, parent_font_size) {
if ($note_elements.length === 0) {
return;
}
$note_elements.each(function(i, element) {
const $element = $(element);
const computed_styles = window.getComputedStyle(element);
const font_size = parseFloat(computed_styles.fontSize);
Note.NORMALIZE_ATTRIBUTES.forEach(function(attribute) {
const original_size = parseFloat(computed_styles[attribute]) || 0;
const relative_em = original_size / font_size;
$element.css(attribute, relative_em + "em");
});
const font_percentage = 100 * (font_size / parent_font_size);
$element.css("font-size", font_percentage + "%");
$element.attr("size", "");
Note.normalize_sizes($element.children(), font_size);
});
},
clear_timeouts: function() {
Note.timeouts.forEach(clearTimeout);
Note.timeouts = [];
},
load_all: function() {
var fragment = document.createDocumentFragment();
$.each($("#notes article"), function(i, article) {
var $article = $(article);
Note.add(
fragment,
$article.data("id"),
$article.data("x"),
$article.data("y"),
$article.data("width"),
$article.data("height"),
$article.data("body"),
$article.html()
);
});
const $note_container = $(".note-container");
$note_container.append(fragment);
if (Note.embed) {
Note.base_font_size = parseFloat(window.getComputedStyle($note_container[0]).fontSize);
$.each($(".note-box"), function(i, note_box) {
const $note_box = $(note_box);
Note.normalize_sizes($("div.note-box-inner-border", note_box).children(), Note.base_font_size);
// Accounting for transformation values calculations which aren't correct immediately on page load
setTimeout(()=>{Note.Box.copy_style_attributes($note_box);}, 100);
});
}
Note.Box.scale_all();
},
initialize_all: function() {
if ($("#c-posts #a-show #image").length === 0 || $("video#image").length) {
return;
}
Note.embed = (Utility.meta("post-has-embedded-notes") === "true");
Note.load_all();
this.initialize_shortcuts();
this.initialize_highlight();
$(document).on("hashchange.danbooru.note", this.initialize_highlight);
Utility.keydown("up down left right", "nudge_note", Note.Box.key_nudge);
Utility.keydown("shift+up shift+down shift+left shift+right", "resize_note", Note.Box.key_resize);
$(window).on("resize.danbooru.note_scale", Note.Box.scale_all);
},
initialize_shortcuts: function() {
$("#translate").on("click.danbooru", Note.TranslationMode.toggle);
$("#image").on("click.danbooru", Note.Box.toggle_all);
},
initialize_highlight: function() {
var matches = window.location.hash.match(/^#note-(\d+)$/);
if (matches) {
var $note_box = Note.Box.find(matches[1]);
Note.Box.show_highlighted($note_box);
}
},
}
$(function() {
Note.initialize_all();
});
export default Note