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Files
php-adminer/adminer/static/functions.js
2025-04-04 18:27:45 +02:00

855 lines
19 KiB
JavaScript

'use strict';
/** Get first element by selector
* @param string
* @param [HTMLElement] defaults to document
* @return HTMLElement
*/
function qs(selector, context) {
return (context || document).querySelector(selector);
}
/** Get last element by selector
* @param string
* @param [HTMLElement] defaults to document
* @return HTMLElement
*/
function qsl(selector, context) {
const els = qsa(selector, context);
return els[els.length - 1];
}
/** Get all elements by selector
* @param string
* @param [HTMLElement] defaults to document
* @return NodeList
*/
function qsa(selector, context) {
return (context || document).querySelectorAll(selector);
}
/** Return a function calling fn with the next arguments
* @param function
* @param ...
* @return function with preserved this
*/
function partial(fn) {
const args = Array.apply(null, arguments).slice(1);
return function () {
return fn.apply(this, args);
};
}
/** Return a function calling fn with the first parameter and then the next arguments
* @param function
* @param ...
* @return function with preserved this
*/
function partialArg(fn) {
const args = Array.apply(null, arguments);
return function (arg) {
args[0] = arg;
return fn.apply(this, args);
};
}
/** Assign values from source to target
* @param Object
* @param Object
*/
function mixin(target, source) {
for (const key in source) {
target[key] = source[key];
}
}
/** Add or remove CSS class
* @param HTMLElement
* @param string
* @param [boolean]
*/
function alterClass(el, className, enable) {
if (el) {
el.classList[enable ? 'add' : 'remove'](className);
}
}
/** Toggle visibility
* @param string
* @return boolean false
*/
function toggle(id) {
const el = qs('#' + id);
el && el.classList.toggle('hidden');
return false;
}
/** Set permanent cookie
* @param string
* @param number
*/
function cookie(assign, days) {
const date = new Date();
date.setDate(date.getDate() + days);
document.cookie = assign + '; expires=' + date;
}
/** Verify current Adminer version
* @param string
* @param string own URL base
* @param string
*/
function verifyVersion(current, url, token) {
cookie('adminer_version=0', 1);
const iframe = document.createElement('iframe');
iframe.src = 'https://www.adminer.org/version/?current=' + current;
iframe.frameBorder = 0;
iframe.marginHeight = 0;
iframe.scrolling = 'no';
iframe.style.width = '7ex';
iframe.style.height = '1.25em';
iframe.style.display = 'none';
addEventListener('message', event => {
if (event.origin == 'https://www.adminer.org') {
const match = /version=(.+)/.exec(event.data);
if (match) {
cookie('adminer_version=' + match[1], 1);
ajax(url + 'script=version', () => { }, event.data + '&token=' + token);
}
}
}, false);
qs('#version').appendChild(iframe);
}
/** Get value of select
* @param HTMLElement <select> or <input>
* @return string
*/
function selectValue(select) {
if (!select.selectedIndex) {
return select.value;
}
const selected = select.options[select.selectedIndex];
return ((selected.attributes.value || {}).specified ? selected.value : selected.text);
}
/** Verify if element has a specified tag name
* @param HTMLElement
* @param string regular expression
* @return boolean
*/
function isTag(el, tag) {
const re = new RegExp('^(' + tag + ')$', 'i');
return el && re.test(el.tagName);
}
/** Get parent node with specified tag name
* @param HTMLElement
* @param string regular expression
* @return HTMLElement
*/
function parentTag(el, tag) {
while (el && !isTag(el, tag)) {
el = el.parentNode;
}
return el;
}
/** Set checked class
* @param HTMLInputElement
*/
function trCheck(el) {
const tr = parentTag(el, 'tr');
alterClass(tr, 'checked', el.checked);
if (el.form && el.form['all'] && el.form['all'].onclick) { // Opera treats form.all as document.all
el.form['all'].onclick();
}
}
/** Fill number of selected items
* @param string
* @param string
* @uses thousandsSeparator
*/
function selectCount(id, count) {
setHtml(id, (count === '' ? '' : '(' + (count + '').replace(/\B(?=(\d{3})+$)/g, thousandsSeparator) + ')'));
const el = qs('#' + id);
if (el) {
for (const input of qsa('input', el.parentNode.parentNode)) {
if (input.type == 'submit') {
input.disabled = (count == '0');
}
}
}
}
/** Check all elements matching given name
* @param RegExp
* @this HTMLInputElement
*/
function formCheck(name) {
for (const elem of this.form.elements) {
if (name.test(elem.name)) {
elem.checked = this.checked;
trCheck(elem);
}
}
}
/** Check all rows in <table class="checkable">
*/
function tableCheck() {
for (const input of qsa('table.checkable td:first-child input')) {
trCheck(input);
}
}
/** Uncheck single element
* @param string
*/
function formUncheck(id) {
const el = qs('#' + id);
el.checked = false;
trCheck(el);
}
/** Get number of checked elements matching given name
* @param HTMLInputElement
* @param RegExp
* @return number
*/
function formChecked(input, name) {
let checked = 0;
for (const el of input.form.elements) {
if (name.test(el.name) && el.checked) {
checked++;
}
}
return checked;
}
/** Select clicked row
* @param MouseEvent
* @param [boolean] force click
*/
function tableClick(event, click) {
const td = parentTag(event.target, 'td');
let text;
if (td && (text = td.getAttribute('data-text'))) {
if (selectClick.call(td, event, +text, td.getAttribute('data-warning'))) {
return;
}
}
click = (click || !window.getSelection || getSelection().isCollapsed);
let el = event.target;
while (!isTag(el, 'tr')) {
if (isTag(el, 'table|a|input|textarea')) {
if (el.type != 'checkbox') {
return;
}
checkboxClick.call(el, event);
click = false;
}
el = el.parentNode;
if (!el) { // Ctrl+click on text fields hides the element
return;
}
}
el = el.firstChild.firstChild;
if (click) {
el.checked = !el.checked;
el.onclick && el.onclick();
}
if (el.name == 'check[]') {
el.form['all'].checked = false;
formUncheck('all-page');
}
if (/^(tables|views)\[\]$/.test(el.name)) {
formUncheck('check-all');
}
trCheck(el);
}
let lastChecked;
/** Shift-click on checkbox for multiple selection.
* @param MouseEvent
* @this HTMLInputElement
*/
function checkboxClick(event) {
if (!this.name) {
return;
}
if (event.shiftKey && (!lastChecked || lastChecked.name == this.name)) {
const checked = (lastChecked ? lastChecked.checked : true);
let checking = !lastChecked;
for (const input of qsa('input', parentTag(this, 'table'))) {
if (input.name === this.name) {
if (checking) {
input.checked = checked;
trCheck(input);
}
if (input === this || input === lastChecked) {
if (checking) {
break;
}
checking = true;
}
}
}
} else {
lastChecked = this;
}
}
/** Set HTML code of an element
* @param string
* @param string undefined to set parentNode to empty string
*/
function setHtml(id, html) {
const el = qs('[id="' + id.replace(/[\\"]/g, '\\$&') + '"]'); // database name is used as ID
if (el) {
if (html == null) {
el.parentNode.innerHTML = '';
} else {
el.innerHTML = html;
}
}
}
/** Find node position
* @param Node
* @return number
*/
function nodePosition(el) {
let pos = 0;
while ((el = el.previousSibling)) {
pos++;
}
return pos;
}
/** Go to the specified page
* @param string
* @param string
*/
function pageClick(href, page) {
if (!isNaN(page) && page) {
location.href = href + (page != 1 ? '&page=' + (page - 1) : '');
}
}
/** Display items in menu
* @param MouseEvent
* @this HTMLElement
*/
function menuOver(event) {
const a = event.target;
if (isTag(a, 'a|span') && a.offsetLeft + a.offsetWidth > a.parentNode.offsetWidth - 15) { // 15 - ellipsis
this.style.overflow = 'visible';
}
}
/** Hide items in menu
* @this HTMLElement
*/
function menuOut() {
this.style.overflow = 'hidden';
}
/** Add row in select fieldset
* @this HTMLSelectElement
*/
function selectAddRow() {
const field = this;
const row = cloneNode(field.parentNode);
field.onchange = selectFieldChange;
field.onchange();
for (const select of qsa('select', row)) {
select.name = select.name.replace(/[a-z]\[\d+/, '$&1');
select.selectedIndex = 0;
}
for (const input of qsa('input', row)) {
input.name = input.name.replace(/[a-z]\[\d+/, '$&1');
input.className = '';
if (input.type == 'checkbox') {
input.checked = false;
} else {
input.value = '';
}
}
field.parentNode.parentNode.appendChild(row);
}
/** Prevent onsearch handler on Enter
* @param KeyboardEvent
* @this HTMLInputElement
*/
function selectSearchKeydown(event) {
if (event.keyCode == 13 || event.keyCode == 10) {
this.onsearch = () => { };
}
}
/** Clear column name after resetting search
* @this HTMLInputElement
*/
function selectSearchSearch() {
if (!this.value) {
this.parentNode.firstChild.selectedIndex = 0;
}
}
/** Toggle column context menu
* @param [string] extra class name
* @this HTMLElement
*/
function columnMouse(className) {
for (const span of qsa('span', this)) {
if (/column/.test(span.className)) {
span.className = 'column' + (className || '');
}
}
}
/** Fill column in search field
* @param string
* @return boolean false
*/
function selectSearch(name) {
let el = qs('#fieldset-search');
el.className = '';
const divs = qsa('div', el);
let i, div;
for (i=0; i < divs.length; i++) {
div = divs[i];
el = qs('[name$="[col]"]', div);
if (el && selectValue(el) == name) {
break;
}
}
if (i == divs.length) {
div.firstChild.value = name;
div.firstChild.onchange();
}
qs('[name$="[val]"]', div).focus();
return false;
}
/** Check if Ctrl key (Command key on Mac) was pressed
* @param KeyboardEvent|MouseEvent
* @return boolean
*/
function isCtrl(event) {
return (event.ctrlKey || event.metaKey) && !event.altKey; // shiftKey allowed
}
/** Send form by Ctrl+Enter on <select> and <textarea>
* @param KeyboardEvent
* @param [string]
* @return boolean
*/
function bodyKeydown(event, button) {
eventStop(event);
let target = event.target;
if (target.jushTextarea) {
target = target.jushTextarea;
}
if (isCtrl(event) && (event.keyCode == 13 || event.keyCode == 10) && isTag(target, 'select|textarea|input')) { // 13|10 - Enter
target.blur();
if (target.form[button]) {
target.form[button].click();
} else {
target.form.dispatchEvent(new Event('submit', {bubbles: true}));
target.form.submit();
}
target.focus();
return false;
}
return true;
}
/** Open form to a new window on Ctrl+click or Shift+click
* @param MouseEvent
*/
function bodyClick(event) {
const target = event.target;
if ((isCtrl(event) || event.shiftKey) && target.type == 'submit' && isTag(target, 'input')) {
target.form.target = '_blank';
setTimeout(() => {
// if (isCtrl(event)) { focus(); } doesn't work
target.form.target = '';
}, 0);
}
}
/** Change focus by Ctrl+Shift+Up or Ctrl+Shift+Down
* @param KeyboardEvent
* @return boolean
*/
function editingKeydown(event) {
if ((event.keyCode == 40 || event.keyCode == 38) && isCtrl(event)) { // 40 - Down, 38 - Up
const target = event.target;
const sibling = (event.keyCode == 40 ? 'nextSibling' : 'previousSibling');
let el = target.parentNode.parentNode[sibling];
if (el && (isTag(el, 'tr') || (el = el[sibling])) && isTag(el, 'tr') && (el = el.childNodes[nodePosition(target.parentNode)]) && (el = el.childNodes[nodePosition(target)])) {
el.focus();
}
return false;
}
if (event.shiftKey && !bodyKeydown(event, 'insert')) {
return false;
}
return true;
}
/** Disable maxlength for functions
* @this HTMLSelectElement
*/
function functionChange() {
const input = this.form[this.name.replace(/^function/, 'fields')];
if (input) { // undefined with the set data type
if (selectValue(this)) {
if (input.origType === undefined) {
input.origType = input.type;
input.origMaxLength = input.getAttribute('data-maxlength');
}
input.removeAttribute('data-maxlength');
input.type = 'text';
} else if (input.origType) {
input.type = input.origType;
if (input.origMaxLength >= 0) {
input.setAttribute('data-maxlength', input.origMaxLength);
}
}
oninput({target: input});
}
helpClose();
}
/** Skip 'original' when typing
* @param number
* @this HTMLTableCellElement
*/
function skipOriginal(first) {
const fnSelect = qs('select', this.previousSibling);
if (fnSelect.selectedIndex < first) {
fnSelect.selectedIndex = first;
}
}
/** Add new field in schema-less edit
* @this HTMLInputElement
*/
function fieldChange() {
const row = cloneNode(parentTag(this, 'tr'));
for (const input of qsa('input', row)) {
input.value = '';
}
// keep value in <select> (function)
parentTag(this, 'table').appendChild(row);
this.oninput = () => { };
}
/** Create AJAX request
* @param string
* @param function (XMLHttpRequest)
* @param [string]
* @param [string]
* @return XMLHttpRequest or false in case of an error
* @uses offlineMessage
*/
function ajax(url, callback, data, message) {
const request = new XMLHttpRequest();
if (request) {
const ajaxStatus = qs('#ajaxstatus');
if (message) {
ajaxStatus.innerHTML = '<div class="message">' + message + '</div>';
}
alterClass(ajaxStatus, 'hidden', !message);
request.open((data ? 'POST' : 'GET'), url);
if (data) {
request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
}
request.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
request.onreadystatechange = () => {
if (request.readyState == 4) {
if (/^2/.test(request.status)) {
callback(request);
} else if (message !== null) {
ajaxStatus.innerHTML = (request.status ? request.responseText : '<div class="error">' + offlineMessage + '</div>');
alterClass(ajaxStatus, 'hidden');
}
}
};
request.send(data);
}
return request;
}
/** Use setHtml(key, value) for JSON response
* @param string
* @return boolean false for success
*/
function ajaxSetHtml(url) {
return !ajax(url, request => {
const data = JSON.parse(request.responseText);
for (const key in data) {
setHtml(key, data[key]);
}
});
}
let editChanged; // used by plugins
let adminerHighlighter = els => {}; // overwritten by syntax highlighters
/** Save form contents through AJAX
* @param HTMLFormElement
* @param string
* @param [HTMLInputElement]
* @return boolean
*/
function ajaxForm(form, message, button) {
let data = [];
for (const el of form.elements) {
if (el.name && !el.disabled) {
if (/^file$/i.test(el.type) && el.value) {
return false;
}
if (!/^(checkbox|radio|submit|file)$/i.test(el.type) || el.checked || el == button) {
data.push(encodeURIComponent(el.name) + '=' + encodeURIComponent(isTag(el, 'select') ? selectValue(el) : el.value));
}
}
}
data = data.join('&');
let url = form.action;
if (!/post/i.test(form.method)) {
url = url.replace(/\?.*/, '') + '?' + data;
data = '';
}
return ajax(url, request => {
const ajaxstatus = qs('#ajaxstatus');
setHtml('ajaxstatus', request.responseText);
if (qs('.message', ajaxstatus)) { // success
editChanged = null;
}
adminerHighlighter(qsa('code', ajaxstatus));
messagesPrint(ajaxstatus);
}, data, message);
}
/** Display edit field
* @param MouseEvent
* @param number display textarea instead of input, 2 - load long text
* @param [string] warning to display
* @return boolean
* @this HTMLElement
*/
function selectClick(event, text, warning) {
const td = this;
const target = event.target;
if (!isCtrl(event) || isTag(td.firstChild, 'input|textarea') || isTag(target, 'a')) {
return;
}
if (warning) {
alert(warning);
return true;
}
const original = td.innerHTML;
text = text || /\n/.test(original);
const input = document.createElement(text ? 'textarea' : 'input');
input.onkeydown = event => {
if (event.keyCode == 27 && !event.shiftKey && !event.altKey && !isCtrl(event)) { // 27 - Esc
inputBlur.apply(input);
td.innerHTML = original;
}
};
const pos = getSelection().anchorOffset;
let value = (td.firstChild && td.firstChild.alt) || td.textContent;
const tdStyle = window.getComputedStyle(td, null);
input.style.width = Math.max(td.clientWidth - parseFloat(tdStyle.paddingLeft) - parseFloat(tdStyle.paddingRight), (text ? 200 : 20)) + 'px';
if (text) {
let rows = 1;
value.replace(/\n/g, () => {
rows++;
});
input.rows = rows;
}
if (qsa('i', td).length) { // <i> - NULL
value = '';
}
td.innerHTML = '';
td.appendChild(input);
setupSubmitHighlight(td);
input.focus();
if (text == 2) { // long text
return ajax(location.href + '&' + encodeURIComponent(td.id) + '=', request => {
if (request.responseText) {
input.value = request.responseText;
input.name = td.id;
}
});
}
input.value = value;
input.name = td.id;
input.selectionStart = pos;
input.selectionEnd = pos;
return true;
}
/** Load and display next page in select
* @param number
* @param string
* @return boolean false for success
* @this HTMLLinkElement
*/
function selectLoadMore(limit, loading) {
const a = this;
const title = a.innerHTML;
const href = a.href;
a.innerHTML = loading;
if (href) {
a.removeAttribute('href');
return !ajax(href, request => {
const tbody = document.createElement('tbody');
tbody.innerHTML = request.responseText;
qs('#table').appendChild(tbody);
if (tbody.children.length < limit) {
a.parentNode.removeChild(a);
} else {
a.href = href.replace(/\d+$/, page => +page + 1);
a.innerHTML = title;
}
});
}
}
/** Stop event propagation
* @param Event
*/
function eventStop(event) {
event.stopPropagation();
}
/** Setup highlighting of default submit button on form field focus
* @param HTMLElement
*/
function setupSubmitHighlight(parent) {
for (const input of qsa('input, select, textarea', parent)) {
setupSubmitHighlightInput(input);
}
}
/** Setup submit highlighting for single element
* @param HTMLElement
*/
function setupSubmitHighlightInput(input) {
if (!/submit|button|image|file/.test(input.type)) {
addEvent(input, 'focus', inputFocus);
addEvent(input, 'blur', inputBlur);
}
}
/** Highlight default submit button
* @this HTMLInputElement
*/
function inputFocus() {
alterClass(findDefaultSubmit(this), 'default', true);
}
/** Unhighlight default submit button
* @this HTMLInputElement
*/
function inputBlur() {
alterClass(findDefaultSubmit(this), 'default');
}
/** Find submit button used by Enter
* @param HTMLElement
* @return HTMLInputElement
*/
function findDefaultSubmit(el) {
if (el.jushTextarea) {
el = el.jushTextarea;
}
if (!el.form) {
return null;
}
for (const input of qsa('input', el.form)) {
if (input.type == 'submit' && !input.style.zIndex) {
return input;
}
}
}
/** Add event listener
* @param HTMLElement
* @param string without 'on'
* @param function
*/
function addEvent(el, action, handler) {
el.addEventListener(action, handler, false);
}
/** Clone node and setup submit highlighting
* @param HTMLElement
* @return HTMLElement
*/
function cloneNode(el) {
const el2 = el.cloneNode(true);
const selector = 'input, select';
const origEls = qsa(selector, el);
const cloneEls = qsa(selector, el2);
for (let i=0; i < origEls.length; i++) {
const origEl = origEls[i];
for (const key in origEl) {
if (/^on/.test(key) && origEl[key]) {
cloneEls[i][key] = origEl[key];
}
}
}
setupSubmitHighlight(el2);
return el2;
}
oninput = event => {
const target = event.target;
const maxLength = target.getAttribute('data-maxlength');
alterClass(target, 'maxlength', target.value && maxLength != null && target.value.length > maxLength); // maxLength could be 0
};
addEvent(document, 'click', event => {
if (!qs('#foot').contains(event.target)) {
alterClass(qs('#foot'), 'foot', true);
}
});