865 lines
25 KiB
JavaScript
865 lines
25 KiB
JavaScript
//constant vars
|
|
//settings
|
|
var debug = true;
|
|
var version = '0.2.8';
|
|
var doneTypingDelay = 400;
|
|
var finishChangeDelay = 400;
|
|
var cursorActivityDelay = 50;
|
|
var cursorAnimatePeriod = 100;
|
|
var modeType = {
|
|
edit: {},
|
|
view: {},
|
|
both: {}
|
|
}
|
|
var statusType = {
|
|
connected: {
|
|
msg: "CONNECTED",
|
|
label: "label-warning",
|
|
fa: "fa-wifi"
|
|
},
|
|
online: {
|
|
msg: "ONLINE: ",
|
|
label: "label-primary",
|
|
fa: "fa-users"
|
|
},
|
|
offline: {
|
|
msg: "OFFLINE",
|
|
label: "label-danger",
|
|
fa: "fa-plug"
|
|
}
|
|
}
|
|
var defaultMode = modeType.both;
|
|
|
|
//global vars
|
|
var loaded = false;
|
|
var isDirty = false;
|
|
var editShown = false;
|
|
var visibleXS = false;
|
|
var visibleSM = false;
|
|
var visibleMD = false;
|
|
var visibleLG = false;
|
|
var isTouchDevice = 'ontouchstart' in document.documentElement;
|
|
var currentMode = defaultMode;
|
|
var currentStatus = statusType.offline;
|
|
var lastInfo = {
|
|
needRestore: false,
|
|
cursor: null,
|
|
scroll: null,
|
|
edit: {
|
|
scroll: {
|
|
left: null,
|
|
top: null
|
|
},
|
|
cursor: {
|
|
line: null,
|
|
ch: null
|
|
}
|
|
},
|
|
view: {
|
|
scroll: {
|
|
left: null,
|
|
top: null
|
|
}
|
|
},
|
|
history: null
|
|
};
|
|
|
|
//editor settings
|
|
var textit = document.getElementById("textit");
|
|
if (!textit) throw new Error("There was no textit area!");
|
|
var editor = CodeMirror.fromTextArea(textit, {
|
|
mode: 'gfm',
|
|
keyMap: "sublime",
|
|
viewportMargin: 20,
|
|
styleActiveLine: true,
|
|
lineNumbers: true,
|
|
lineWrapping: true,
|
|
showCursorWhenSelecting: true,
|
|
theme: "monokai",
|
|
autofocus: true,
|
|
inputStyle: "textarea",
|
|
scrollbarStyle: "overlay",
|
|
matchBrackets: true,
|
|
autoCloseBrackets: true,
|
|
matchTags: {
|
|
bothTags: true
|
|
},
|
|
autoCloseTags: true,
|
|
foldGutter: true,
|
|
gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"],
|
|
extraKeys: {
|
|
"Enter": "newlineAndIndentContinueMarkdownList"
|
|
},
|
|
readOnly: true
|
|
});
|
|
inlineAttachment.editors.codemirror4.attach(editor);
|
|
|
|
//ui vars
|
|
var ui = {
|
|
spinner: $(".ui-spinner"),
|
|
content: $(".ui-content"),
|
|
toolbar: {
|
|
shortStatus: $(".ui-short-status"),
|
|
status: $(".ui-status"),
|
|
new: $(".ui-new"),
|
|
pretty: $(".ui-pretty"),
|
|
download: {
|
|
markdown: $(".ui-download-markdown")
|
|
},
|
|
save: {
|
|
dropbox: $(".ui-save-dropbox")
|
|
},
|
|
import: {
|
|
dropbox: $(".ui-import-dropbox"),
|
|
clipboard: $(".ui-import-clipboard")
|
|
},
|
|
mode: $(".ui-mode"),
|
|
edit: $(".ui-edit"),
|
|
view: $(".ui-view"),
|
|
both: $(".ui-both")
|
|
},
|
|
area: {
|
|
edit: $(".ui-edit-area"),
|
|
view: $(".ui-view-area"),
|
|
codemirror: $(".ui-edit-area .CodeMirror"),
|
|
markdown: $(".ui-view-area .markdown-body")
|
|
}
|
|
};
|
|
|
|
//page actions
|
|
var opts = {
|
|
lines: 11, // The number of lines to draw
|
|
length: 20, // The length of each line
|
|
width: 2, // The line thickness
|
|
radius: 30, // The radius of the inner circle
|
|
corners: 0, // Corner roundness (0..1)
|
|
rotate: 0, // The rotation offset
|
|
direction: 1, // 1: clockwise, -1: counterclockwise
|
|
color: '#000', // #rgb or #rrggbb or array of colors
|
|
speed: 1.1, // Rounds per second
|
|
trail: 60, // Afterglow percentage
|
|
shadow: false, // Whether to render a shadow
|
|
hwaccel: true, // Whether to use hardware acceleration
|
|
className: 'spinner', // The CSS class to assign to the spinner
|
|
zIndex: 2e9, // The z-index (defaults to 2000000000)
|
|
top: '50%', // Top position relative to parent
|
|
left: '50%' // Left position relative to parent
|
|
};
|
|
var spinner = new Spinner(opts).spin(ui.spinner[0]);
|
|
//when page ready
|
|
$(document).ready(function () {
|
|
checkResponsive();
|
|
changeMode(currentMode);
|
|
/* we need this only on touch devices */
|
|
if (isTouchDevice) {
|
|
/* cache dom references */
|
|
var $body = jQuery('body');
|
|
|
|
/* bind events */
|
|
$(document)
|
|
.on('focus', 'textarea, input', function () {
|
|
$body.addClass('fixfixed');
|
|
})
|
|
.on('blur', 'textarea, input', function () {
|
|
$body.removeClass('fixfixed');
|
|
});
|
|
}
|
|
});
|
|
//when page resize
|
|
var windowResizeDelay = 200;
|
|
var windowResizeTimer = null;
|
|
$(window).resize(function () {
|
|
clearTimeout(windowResizeTimer);
|
|
windowResizeTimer = setTimeout(function () {
|
|
windowResize();
|
|
}, windowResizeDelay);
|
|
});
|
|
function windowResize() {
|
|
checkResponsive();
|
|
clearMap();
|
|
syncScrollToView();
|
|
}
|
|
//768-792px have a gap
|
|
function checkResponsive() {
|
|
visibleXS = $(".visible-xs").is(":visible");
|
|
visibleSM = $(".visible-sm").is(":visible");
|
|
visibleMD = $(".visible-md").is(":visible");
|
|
visibleLG = $(".visible-lg").is(":visible");
|
|
if (visibleXS && currentMode == modeType.both)
|
|
if (editor.hasFocus())
|
|
changeMode(modeType.edit);
|
|
else
|
|
changeMode(modeType.view);
|
|
if (visibleXS)
|
|
$('.CodeMirror').css('height', 'auto');
|
|
else
|
|
$('.CodeMirror').css('height', '');
|
|
}
|
|
|
|
function showStatus(type, num) {
|
|
currentStatus = type;
|
|
var shortStatus = ui.toolbar.shortStatus;
|
|
var status = ui.toolbar.status;
|
|
var label = $('<span class="label"></span>');
|
|
var fa = $('<i class="fa"></i>');
|
|
var msg = "";
|
|
var shortMsg = "";
|
|
|
|
shortStatus.html("");
|
|
status.html("");
|
|
|
|
switch (currentStatus) {
|
|
case statusType.connected:
|
|
label.addClass(statusType.connected.label);
|
|
fa.addClass(statusType.connected.fa);
|
|
msg = statusType.connected.msg;
|
|
break;
|
|
case statusType.online:
|
|
label.addClass(statusType.online.label);
|
|
fa.addClass(statusType.online.fa);
|
|
shortMsg = " " + num;
|
|
msg = statusType.online.msg + num;
|
|
break;
|
|
case statusType.offline:
|
|
label.addClass(statusType.offline.label);
|
|
fa.addClass(statusType.offline.fa);
|
|
msg = statusType.offline.msg;
|
|
break;
|
|
}
|
|
|
|
label.append(fa);
|
|
var shortLabel = label.clone();
|
|
|
|
shortLabel.append(" " + shortMsg);
|
|
shortStatus.append(shortLabel);
|
|
|
|
label.append(" " + msg);
|
|
status.append(label);
|
|
}
|
|
|
|
function toggleMode() {
|
|
switch (currentMode) {
|
|
case modeType.edit:
|
|
changeMode(modeType.view);
|
|
break;
|
|
case modeType.view:
|
|
changeMode(modeType.edit);
|
|
break;
|
|
case modeType.both:
|
|
changeMode(modeType.view);
|
|
break;
|
|
}
|
|
}
|
|
|
|
function changeMode(type) {
|
|
saveInfo();
|
|
if (type)
|
|
currentMode = type;
|
|
var responsiveClass = "col-lg-6 col-md-6 col-sm-6";
|
|
var scrollClass = "ui-scrollable";
|
|
ui.area.codemirror.removeClass(scrollClass);
|
|
ui.area.edit.removeClass(responsiveClass);
|
|
ui.area.view.removeClass(scrollClass);
|
|
ui.area.view.removeClass(responsiveClass);
|
|
switch (currentMode) {
|
|
case modeType.edit:
|
|
ui.area.edit.show();
|
|
ui.area.view.hide();
|
|
if (!editShown) {
|
|
editor.refresh();
|
|
editShown = true;
|
|
}
|
|
break;
|
|
case modeType.view:
|
|
ui.area.edit.hide();
|
|
ui.area.view.show();
|
|
break;
|
|
case modeType.both:
|
|
ui.area.codemirror.addClass(scrollClass);
|
|
ui.area.edit.addClass(responsiveClass).show();
|
|
ui.area.view.addClass(scrollClass);
|
|
ui.area.view.addClass(responsiveClass).show();
|
|
break;
|
|
}
|
|
if (currentMode != modeType.view && visibleLG) {
|
|
editor.focus();
|
|
editor.refresh();
|
|
} else {
|
|
editor.getInputField().blur();
|
|
}
|
|
if (changeMode != modeType.edit)
|
|
updateView();
|
|
restoreInfo();
|
|
|
|
ui.toolbar.both.removeClass("active");
|
|
ui.toolbar.edit.removeClass("active");
|
|
ui.toolbar.view.removeClass("active");
|
|
var modeIcon = ui.toolbar.mode.find('i');
|
|
modeIcon.removeClass('fa-toggle-on').removeClass('fa-toggle-off');
|
|
if (ui.area.edit.is(":visible") && ui.area.view.is(":visible")) { //both
|
|
ui.toolbar.both.addClass("active");
|
|
modeIcon.addClass('fa-eye');
|
|
} else if (ui.area.edit.is(":visible")) { //edit
|
|
ui.toolbar.edit.addClass("active");
|
|
modeIcon.addClass('fa-toggle-off');
|
|
} else if (ui.area.view.is(":visible")) { //view
|
|
ui.toolbar.view.addClass("active");
|
|
modeIcon.addClass('fa-toggle-on');
|
|
}
|
|
}
|
|
|
|
//button actions
|
|
var noteId = window.location.pathname.split('/')[1];
|
|
var url = window.location.origin + '/' + noteId;
|
|
//pretty
|
|
ui.toolbar.pretty.attr("href", url + "/pretty");
|
|
//download
|
|
//markdown
|
|
ui.toolbar.download.markdown.click(function () {
|
|
var filename = renderFilename(ui.area.markdown) + '.md';
|
|
var markdown = editor.getValue();
|
|
var blob = new Blob([markdown], {
|
|
type: "text/markdown;charset=utf-8"
|
|
});
|
|
saveAs(blob, filename);
|
|
});
|
|
//save to dropbox
|
|
ui.toolbar.save.dropbox.click(function () {
|
|
var filename = renderFilename(ui.area.markdown) + '.md';
|
|
var options = {
|
|
files: [
|
|
{
|
|
'url': url + "/download",
|
|
'filename': filename
|
|
}
|
|
]
|
|
};
|
|
Dropbox.save(options);
|
|
});
|
|
//import from dropbox
|
|
ui.toolbar.import.dropbox.click(function () {
|
|
var options = {
|
|
success: function (files) {
|
|
ui.spinner.show();
|
|
var url = files[0].link;
|
|
importFromUrl(url);
|
|
},
|
|
linkType: "direct",
|
|
multiselect: false,
|
|
extensions: ['.md', '.html']
|
|
};
|
|
Dropbox.choose(options);
|
|
});
|
|
//import from clipboard
|
|
ui.toolbar.import.clipboard.click(function () {
|
|
//na
|
|
});
|
|
//fix for wrong autofocus
|
|
$('#clipboardModal').on('shown.bs.modal', function () {
|
|
$('#clipboardModal').blur();
|
|
});
|
|
$("#clipboardModalClear").click(function () {
|
|
$("#clipboardModalContent").html('');
|
|
});
|
|
$("#clipboardModalConfirm").click(function () {
|
|
var data = $("#clipboardModalContent").html();
|
|
if (data) {
|
|
parseToEditor(data);
|
|
$('#clipboardModal').modal('hide');
|
|
$("#clipboardModalContent").html('');
|
|
}
|
|
});
|
|
|
|
function parseToEditor(data) {
|
|
var parsed = toMarkdown(data);
|
|
if (parsed)
|
|
editor.replaceRange(parsed, {
|
|
line: 0,
|
|
ch: 0
|
|
}, {
|
|
line: editor.lastLine(),
|
|
ch: editor.lastLine().length
|
|
}, '+input');
|
|
}
|
|
|
|
function importFromUrl(url) {
|
|
//console.log(url);
|
|
if (url == null) return;
|
|
if (!isValidURL(url)) {
|
|
alert('Not valid URL :(');
|
|
return;
|
|
}
|
|
$.ajax({
|
|
method: "GET",
|
|
url: url,
|
|
success: function (data) {
|
|
parseToEditor(data);
|
|
},
|
|
error: function () {
|
|
alert('Import failed :(');
|
|
},
|
|
complete: function () {
|
|
ui.spinner.hide();
|
|
}
|
|
});
|
|
}
|
|
|
|
function isValidURL(str) {
|
|
var pattern = new RegExp('^(https?:\\/\\/)?' + // protocol
|
|
'((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|' + // domain name
|
|
'((\\d{1,3}\\.){3}\\d{1,3}))' + // OR ip (v4) address
|
|
'(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*' + // port and path
|
|
'(\\?[;&a-z\\d%_.~+=-]*)?' + // query string
|
|
'(\\#[-a-z\\d_]*)?$', 'i'); // fragment locator
|
|
if (!pattern.test(str)) {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
//mode
|
|
ui.toolbar.mode.click(function () {
|
|
toggleMode();
|
|
});
|
|
//edit
|
|
ui.toolbar.edit.click(function () {
|
|
changeMode(modeType.edit);
|
|
});
|
|
//view
|
|
ui.toolbar.view.click(function () {
|
|
changeMode(modeType.view);
|
|
});
|
|
//both
|
|
ui.toolbar.both.click(function () {
|
|
changeMode(modeType.both);
|
|
});
|
|
|
|
//socket.io actions
|
|
var socket = io.connect();
|
|
socket.on('info', function (data) {
|
|
console.error(data);
|
|
location.href = "./404.html";
|
|
});
|
|
socket.on('disconnect', function (data) {
|
|
showStatus(statusType.offline);
|
|
if (loaded) {
|
|
saveInfo();
|
|
lastInfo.history = editor.getHistory();
|
|
}
|
|
if (!editor.getOption('readOnly'))
|
|
editor.setOption('readOnly', true);
|
|
});
|
|
socket.on('connect', function (data) {
|
|
showStatus(statusType.connected);
|
|
socket.emit('version');
|
|
});
|
|
socket.on('version', function (data) {
|
|
if (data != version)
|
|
location.reload(true);
|
|
});
|
|
socket.on('refresh', function (data) {
|
|
saveInfo();
|
|
|
|
var body = data.body;
|
|
body = LZString.decompressFromBase64(body);
|
|
if (body)
|
|
editor.setValue(body);
|
|
else
|
|
editor.setValue("");
|
|
|
|
if (!loaded) {
|
|
editor.clearHistory();
|
|
ui.spinner.hide();
|
|
ui.content.fadeIn();
|
|
changeMode();
|
|
loaded = true;
|
|
} else {
|
|
if (LZString.compressToBase64(editor.getValue()) !== data.body)
|
|
editor.clearHistory();
|
|
else {
|
|
if (lastInfo.history)
|
|
editor.setHistory(lastInfo.history);
|
|
}
|
|
lastInfo.history = null;
|
|
}
|
|
|
|
updateView();
|
|
|
|
if (editor.getOption('readOnly'))
|
|
editor.setOption('readOnly', false);
|
|
|
|
restoreInfo();
|
|
});
|
|
socket.on('change', function (data) {
|
|
data = LZString.decompressFromBase64(data);
|
|
data = JSON.parse(data);
|
|
editor.replaceRange(data.text, data.from, data.to, "ignoreHistory");
|
|
isDirty = true;
|
|
clearTimeout(finishChangeTimer);
|
|
finishChangeTimer = setTimeout(finishChange, finishChangeDelay);
|
|
});
|
|
socket.on('online users', function (data) {
|
|
if (debug)
|
|
console.debug(data);
|
|
showStatus(statusType.online, data.count);
|
|
$('.other-cursors').children().each(function (key, value) {
|
|
var found = false;
|
|
for (var i = 0; i < data.users.length; i++) {
|
|
var user = data.users[i];
|
|
if ($(this).attr('id') == user.id)
|
|
found = true;
|
|
}
|
|
if (!found)
|
|
$(this).remove();
|
|
});
|
|
for (var i = 0; i < data.users.length; i++) {
|
|
var user = data.users[i];
|
|
if (user.id != socket.id)
|
|
buildCursor(user.id, user.color, user.cursor);
|
|
}
|
|
});
|
|
socket.on('cursor focus', function (data) {
|
|
if (debug)
|
|
console.debug(data);
|
|
var cursor = $('#' + data.id);
|
|
if (cursor.length > 0) {
|
|
cursor.fadeIn();
|
|
} else {
|
|
if (data.id != socket.id)
|
|
buildCursor(data.id, data.color, data.cursor);
|
|
}
|
|
});
|
|
socket.on('cursor activity', function (data) {
|
|
if (debug)
|
|
console.debug(data);
|
|
if (data.id != socket.id)
|
|
buildCursor(data.id, data.color, data.cursor);
|
|
});
|
|
socket.on('cursor blur', function (data) {
|
|
if (debug)
|
|
console.debug(data);
|
|
var cursor = $('#' + data.id);
|
|
if (cursor.length > 0) {
|
|
cursor.fadeOut();
|
|
}
|
|
});
|
|
|
|
function emitUserStatus() {
|
|
checkIfAuth(
|
|
function (data) {
|
|
socket.emit('user status', {
|
|
login: true
|
|
});
|
|
},
|
|
function () {
|
|
socket.emit('user status', {
|
|
login: false
|
|
});
|
|
}
|
|
);
|
|
}
|
|
|
|
function buildCursor(id, color, pos) {
|
|
if (!pos) return;
|
|
if ($('.other-cursors').length <= 0) {
|
|
$("<div class='other-cursors'>").insertAfter('.CodeMirror-cursors');
|
|
}
|
|
if ($('#' + id).length <= 0) {
|
|
var cursor = $('<div id="' + id + '" class="other-cursor"> </div>');
|
|
//console.debug(pos);
|
|
cursor.attr('data-line', pos.line);
|
|
cursor.attr('data-ch', pos.ch);
|
|
var coord = editor.charCoords(pos, 'windows');
|
|
cursor[0].style.left = coord.left + 'px';
|
|
cursor[0].style.top = coord.top + 'px';
|
|
cursor[0].style.height = '18px';
|
|
cursor[0].style.borderLeft = '2px solid ' + color;
|
|
$('.other-cursors').append(cursor);
|
|
cursor.hide().fadeIn();
|
|
} else {
|
|
var cursor = $('#' + id);
|
|
cursor.attr('data-line', pos.line);
|
|
cursor.attr('data-ch', pos.ch);
|
|
var coord = editor.charCoords(pos, 'windows');
|
|
cursor.stop(true).css('opacity', 1).animate({
|
|
"left": coord.left,
|
|
"top": coord.top
|
|
}, cursorAnimatePeriod);
|
|
//cursor[0].style.left = coord.left + 'px';
|
|
//cursor[0].style.top = coord.top + 'px';
|
|
cursor[0].style.height = '18px';
|
|
cursor[0].style.borderLeft = '2px solid ' + color;
|
|
}
|
|
}
|
|
|
|
//editor actions
|
|
editor.on('beforeChange', function (cm, change) {
|
|
if (debug)
|
|
console.debug(change);
|
|
});
|
|
editor.on('change', function (i, op) {
|
|
if (debug)
|
|
console.debug(op);
|
|
if (op.origin != 'setValue' && op.origin != 'ignoreHistory') {
|
|
socket.emit('change', LZString.compressToBase64(JSON.stringify(op)));
|
|
}
|
|
isDirty = true;
|
|
clearTimeout(doneTypingTimer);
|
|
doneTypingTimer = setTimeout(doneTyping, doneTypingDelay);
|
|
});
|
|
editor.on('focus', function (cm) {
|
|
socket.emit('cursor focus', editor.getCursor());
|
|
});
|
|
var cursorActivityTimer = null;
|
|
editor.on('cursorActivity', function (cm) {
|
|
clearTimeout(cursorActivityTimer);
|
|
cursorActivityTimer = setTimeout(cursorActivity, cursorActivityDelay);
|
|
});
|
|
|
|
function cursorActivity() {
|
|
socket.emit('cursor activity', editor.getCursor());
|
|
}
|
|
editor.on('blur', function (cm) {
|
|
socket.emit('cursor blur');
|
|
});
|
|
|
|
function saveInfo() {
|
|
var left = $(document.body).scrollLeft();
|
|
var top = $(document.body).scrollTop();
|
|
switch (currentMode) {
|
|
case modeType.edit:
|
|
//lastInfo.edit.scroll.left = left;
|
|
//lastInfo.edit.scroll.top = top;
|
|
lastInfo.edit.scroll = editor.getScrollInfo();
|
|
break;
|
|
case modeType.view:
|
|
lastInfo.view.scroll.left = left;
|
|
lastInfo.view.scroll.top = top;
|
|
break;
|
|
case modeType.both:
|
|
lastInfo.edit.scroll = editor.getScrollInfo();
|
|
lastInfo.view.scroll.left = ui.area.view.scrollLeft();
|
|
lastInfo.view.scroll.top = ui.area.view.scrollTop();
|
|
break;
|
|
}
|
|
lastInfo.edit.cursor = editor.getCursor();
|
|
lastInfo.needRestore = true;
|
|
}
|
|
|
|
function restoreInfo() {
|
|
if (lastInfo.needRestore) {
|
|
var line = lastInfo.edit.cursor.line;
|
|
var ch = lastInfo.edit.cursor.ch;
|
|
editor.setCursor(line, ch);
|
|
|
|
switch (currentMode) {
|
|
case modeType.edit:
|
|
//$(document.body).scrollLeft(lastInfo.edit.scroll.left);
|
|
//$(document.body).scrollTop(lastInfo.edit.scroll.top);
|
|
var left = lastInfo.edit.scroll.left;
|
|
var top = lastInfo.edit.scroll.top;
|
|
editor.scrollIntoView();
|
|
editor.scrollTo(left, top);
|
|
break;
|
|
case modeType.view:
|
|
$(document.body).scrollLeft(lastInfo.view.scroll.left);
|
|
$(document.body).scrollTop(lastInfo.view.scroll.top);
|
|
break;
|
|
case modeType.both:
|
|
var left = lastInfo.edit.scroll.left;
|
|
var top = lastInfo.edit.scroll.top;
|
|
editor.scrollIntoView();
|
|
editor.scrollTo(left, top);
|
|
ui.area.view.scrollLeft(lastInfo.view.scroll.left);
|
|
ui.area.view.scrollTop(lastInfo.view.scroll.top);
|
|
break;
|
|
}
|
|
|
|
lastInfo.needRestore = false;
|
|
}
|
|
}
|
|
|
|
//view actions
|
|
var doneTypingTimer = null;
|
|
var finishChangeTimer = null;
|
|
var input = editor.getInputField();
|
|
//user is "finished typing," do something
|
|
function doneTyping() {
|
|
updateView();
|
|
var value = editor.getValue();
|
|
socket.emit('refresh', LZString.compressToBase64(value));
|
|
}
|
|
|
|
function finishChange() {
|
|
updateView();
|
|
}
|
|
|
|
var lastResult = null;
|
|
|
|
function updateView() {
|
|
if (currentMode == modeType.edit || !isDirty) return;
|
|
var value = editor.getValue();
|
|
var result = postProcess(md.render(value)).children().toArray();
|
|
//ui.area.markdown.html(result);
|
|
//finishView(ui.area.markdown);
|
|
partialUpdate(result, lastResult, ui.area.markdown.children().toArray());
|
|
lastResult = $(result).clone(true);
|
|
finishView(ui.area.view);
|
|
writeHistory(ui.area.markdown);
|
|
isDirty = false;
|
|
emitUserStatus();
|
|
clearMap();
|
|
}
|
|
|
|
function partialUpdate(src, tar, des) {
|
|
if (!src || src.length == 0 || !tar || tar.length == 0 || !des || des.length == 0) {
|
|
ui.area.markdown.html(src);
|
|
return;
|
|
}
|
|
if (src.length == tar.length) { //same length
|
|
for (var i = 0; i < src.length; i++) {
|
|
copyAttribute(src[i], des[i], 'data-startline');
|
|
copyAttribute(src[i], des[i], 'data-endline');
|
|
var rawSrc = cloneAndRemoveDataAttr(src[i]);
|
|
var rawTar = cloneAndRemoveDataAttr(tar[i]);
|
|
if (rawSrc.outerHTML != rawTar.outerHTML) {
|
|
//console.log(rawSrc);
|
|
//console.log(rawTar);
|
|
$(des[i]).replaceWith(src[i]);
|
|
}
|
|
}
|
|
} else { //diff length
|
|
var start = 0;
|
|
var end = 0;
|
|
//find diff start position
|
|
for (var i = 0; i < tar.length; i++) {
|
|
copyAttribute(src[i], des[i], 'data-startline');
|
|
copyAttribute(src[i], des[i], 'data-endline');
|
|
var rawSrc = cloneAndRemoveDataAttr(src[i]);
|
|
var rawTar = cloneAndRemoveDataAttr(tar[i]);
|
|
if (!rawSrc || !rawTar || rawSrc.outerHTML != rawTar.outerHTML) {
|
|
start = i;
|
|
break;
|
|
}
|
|
}
|
|
//find diff end position
|
|
var srcEnd = 0;
|
|
var tarEnd = 0;
|
|
for (var i = 0; i < src.length; i++) {
|
|
copyAttribute(src[i], des[i], 'data-startline');
|
|
copyAttribute(src[i], des[i], 'data-endline');
|
|
var rawSrc = cloneAndRemoveDataAttr(src[i]);
|
|
var rawTar = cloneAndRemoveDataAttr(tar[i]);
|
|
if (!rawSrc || !rawTar || rawSrc.outerHTML != rawTar.outerHTML) {
|
|
start = i;
|
|
break;
|
|
}
|
|
}
|
|
//tar end
|
|
for (var i = 1; i <= tar.length + 1; i++) {
|
|
var srcLength = src.length;
|
|
var tarLength = tar.length;
|
|
copyAttribute(src[srcLength - i], des[srcLength - i], 'data-startline');
|
|
copyAttribute(src[srcLength - i], des[srcLength - i], 'data-endline');
|
|
var rawSrc = cloneAndRemoveDataAttr(src[srcLength - i]);
|
|
var rawTar = cloneAndRemoveDataAttr(tar[tarLength - i]);
|
|
if (!rawSrc || !rawTar || rawSrc.outerHTML != rawTar.outerHTML) {
|
|
tarEnd = tar.length - i;
|
|
break;
|
|
}
|
|
}
|
|
//src end
|
|
for (var i = 1; i <= src.length + 1; i++) {
|
|
var srcLength = src.length;
|
|
var tarLength = tar.length;
|
|
copyAttribute(src[srcLength - i], des[srcLength - i], 'data-startline');
|
|
copyAttribute(src[srcLength - i], des[srcLength - i], 'data-endline');
|
|
var rawSrc = cloneAndRemoveDataAttr(src[srcLength - i]);
|
|
var rawTar = cloneAndRemoveDataAttr(tar[tarLength - i]);
|
|
if (!rawSrc || !rawTar || rawSrc.outerHTML != rawTar.outerHTML) {
|
|
srcEnd = src.length - i;
|
|
break;
|
|
}
|
|
}
|
|
//check if tar end overlap tar start
|
|
var overlap = 0;
|
|
for (var i = start; i >= 0; i--) {
|
|
var rawTarStart = cloneAndRemoveDataAttr(tar[i - 1]);
|
|
var rawTarEnd = cloneAndRemoveDataAttr(tar[tarEnd + 1 + start - i]);
|
|
if (rawTarStart && rawTarEnd && rawTarStart.outerHTML == rawTarEnd.outerHTML)
|
|
overlap++;
|
|
else
|
|
break;
|
|
}
|
|
if (debug)
|
|
console.log('overlap:' + overlap);
|
|
//show diff content
|
|
if (debug) {
|
|
console.log('start:' + start);
|
|
console.log('tarEnd:' + tarEnd);
|
|
console.log('srcEnd:' + srcEnd);
|
|
}
|
|
tarEnd += overlap;
|
|
srcEnd += overlap;
|
|
var repeatAdd = (start - srcEnd) < (start - tarEnd);
|
|
var repeatDiff = Math.abs(srcEnd - tarEnd) - 1;
|
|
//push new elements
|
|
var newElements = [];
|
|
if(srcEnd >= start) {
|
|
for (var j = start; j <= srcEnd; j++) {
|
|
if (!src[j]) continue;
|
|
newElements.push(src[j].outerHTML);
|
|
}
|
|
} else if(repeatAdd) {
|
|
for (var j = srcEnd - repeatDiff; j <= srcEnd; j++) {
|
|
if (!des[j]) continue;
|
|
newElements.push(des[j].outerHTML);
|
|
}
|
|
}
|
|
//push remove elements
|
|
var removeElements = [];
|
|
if(tarEnd >= start) {
|
|
for (var j = start; j <= tarEnd; j++) {
|
|
if (!des[j]) continue;
|
|
removeElements.push(des[j]);
|
|
}
|
|
} else if(!repeatAdd) {
|
|
for (var j = start; j <= start + repeatDiff; j++) {
|
|
if (!des[j]) continue;
|
|
removeElements.push(des[j]);
|
|
}
|
|
}
|
|
//add elements
|
|
if (debug) {
|
|
console.log('ADD ELEMENTS');
|
|
console.log(newElements.join('\n'));
|
|
}
|
|
if (des[start])
|
|
$(newElements.join('')).insertBefore(des[start]);
|
|
else
|
|
$(newElements.join('')).insertAfter(des[start - 1]);
|
|
//remove elements
|
|
if (debug)
|
|
console.log('REMOVE ELEMENTS');
|
|
for (var j = 0; j < removeElements.length; j++) {
|
|
if (debug) {
|
|
console.log(removeElements[j].outerHTML);
|
|
}
|
|
if (removeElements[j])
|
|
removeElements[j].remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
function cloneAndRemoveDataAttr(el) {
|
|
if (!el) return;
|
|
var rawEl = $(el).clone(true)[0];
|
|
rawEl.removeAttribute('data-startline');
|
|
rawEl.removeAttribute('data-endline');
|
|
return rawEl;
|
|
}
|
|
|
|
function copyAttribute(src, des, attr) {
|
|
if (src && src.getAttribute(attr) && des)
|
|
des.setAttribute(attr, src.getAttribute(attr));
|
|
} |