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/** Toggle visibility
* @param string
* @return boolean
*/
function toggle(id) {
var el = document.getElementById(id);
el.className = (el.className == 'hidden' ? '' : 'hidden');
return true;
}
/** Set permanent cookie
* @param string
* @param number
* @param string optional
*/
function cookie(assign, days) {
var date = new Date();
date.setDate(date.getDate() + days);
document.cookie = assign + '; expires=' + date;
}
/** Verify current Adminer version
*/
function verifyVersion() {
cookie('adminer_version=0', 1);
var script = document.createElement('script');
script.src = location.protocol + '//www.adminer.org/version.php';
document.body.appendChild(script);
}
/** Get value of select
* @param HTMLSelectElement
* @return string
*/
function selectValue(select) {
var selected = select.options[select.selectedIndex];
return ((selected.attributes.value || {}).specified ? selected.value : selected.text);
}
/** Get parent node with specified tag name.
* @param HTMLElement
* @param string regular expression
* @return HTMLElement
*/
function parentTag(el, tag) {
var re = new RegExp('^' + tag + '$', 'i');
while (el && !re.test(el.tagName)) {
el = el.parentNode;
}
return el;
}
/** Set checked class
* @param HTMLInputElement
*/
function trCheck(el) {
var tr = parentTag(el, 'tr');
tr.className = tr.className.replace(/(^|\s)checked(\s|$)/, '$2') + (el.checked ? ' checked' : '');
}
/** Check all elements matching given name
* @param HTMLInputElement
* @param RegExp
*/
function formCheck(el, name) {
var elems = el.form.elements;
for (var i=0; i < elems.length; i++) {
if (name.test(elems[i].name)) {
elems[i].checked = el.checked;
trCheck(elems[i]);
}
}
}
/** Check all rows in <table class="checkable">
*/
function tableCheck() {
var tables = document.getElementsByTagName('table');
for (var i=0; i < tables.length; i++) {
if (/(^|\s)checkable(\s|$)/.test(tables[i].className)) {
var trs = tables[i].getElementsByTagName('tr');
for (var j=0; j < trs.length; j++) {
trCheck(trs[j].firstChild.firstChild);
}
}
}
}
/** Uncheck single element
* @param string
*/
function formUncheck(id) {
var el = document.getElementById(id);
el.checked = false;
trCheck(el);
}
/** Get number of checked elements matching given name
* @param HTMLInputElement
* @param RegExp
* @return number
*/
function formChecked(el, name) {
var checked = 0;
var elems = el.form.elements;
for (var i=0; i < elems.length; i++) {
if (name.test(elems[i].name) && elems[i].checked) {
checked++;
}
}
return checked;
}
/** Select clicked row
* @param MouseEvent
* @param [boolean] force click
*/
function tableClick(event, click) {
click = (click || !window.getSelection || getSelection().isCollapsed);
var el = event.target || event.srcElement;
while (!/^tr$/i.test(el.tagName)) {
if (/^(table|a|input|textarea)$/i.test(el.tagName)) {
if (el.type != 'checkbox') {
return;
}
checkboxClick(event, el);
click = false;
}
el = el.parentNode;
}
el = el.firstChild.firstChild;
if (click) {
el.checked = !el.checked;
el.onclick && el.onclick();
}
trCheck(el);
}
var lastChecked;
/** Shift-click on checkbox for multiple selection.
* @param MouseEvent
* @param HTMLInputElement
*/
function checkboxClick(event, el) {
if (!el.name) {
return;
}
if (event.shiftKey && (!lastChecked || lastChecked.name == el.name)) {
var checked = (lastChecked ? lastChecked.checked : true);
var inputs = parentTag(el, 'table').getElementsByTagName('input');
var checking = !lastChecked;
for (var i=0; i < inputs.length; i++) {
var input = inputs[i];
if (input.name === el.name) {
if (checking) {
input.checked = checked;
trCheck(input);
}
if (input === el || input === lastChecked) {
if (checking) {
break;
}
checking = true;
}
}
}
} else {
lastChecked = el;
}
}
/** Set HTML code of an element
* @param string
* @param string undefined to set parentNode to
*/
function setHtml(id, html) {
var el = document.getElementById(id);
if (el) {
if (html == undefined) {
el.parentNode.innerHTML = ' ';
} else {
el.innerHTML = html;
}
}
}
/** Find node position
* @param Node
* @return number
*/
function nodePosition(el) {
var pos = 0;
while (el = el.previousSibling) {
pos++;
}
return pos;
}
/** Go to the specified page
* @param string
* @param string
* @param [MouseEvent]
*/
function pageClick(href, page, event) {
if (!isNaN(page) && page) {
href += (page != 1 ? '&page=' + (page - 1) : '');
location.href = href;
}
}
/** Display items in menu
* @param HTMLElement
* @param MouseEvent
*/
function menuOver(el, event) {
var a = event.target;
if (/^a$/i.test(a.tagName) && a.offsetLeft + a.offsetWidth > a.parentNode.offsetWidth - 15) { // 15 - ellipsis
el.style.overflow = 'visible';
}
}
/** Hide items in menu
* @param HTMLElement
*/
function menuOut(el) {
el.style.overflow = 'auto';
}
/** Add row in select fieldset
* @param HTMLSelectElement
*/
function selectAddRow(field) {
field.onchange = function () {
selectFieldChange(field.form);
};
field.onchange();
var row = cloneNode(field.parentNode);
var selects = row.getElementsByTagName('select');
for (var i=0; i < selects.length; i++) {
selects[i].name = selects[i].name.replace(/[a-z]\[\d+/, '$&1');
selects[i].selectedIndex = 0;
}
var inputs = row.getElementsByTagName('input');
if (inputs.length) {
inputs[0].name = inputs[0].name.replace(/[a-z]\[\d+/, '$&1');
inputs[0].value = '';
inputs[0].className = '';
}
field.parentNode.parentNode.appendChild(row);
}
/** Clear column name after resetting search
* @param HTMLInputElement
*/
function selectSearchSearch(el) {
if (!el.value) {
el.parentNode.firstChild.selectedIndex = 0;
}
}
/** Toggles column context menu
* @param HTMLElement
* @param [string] extra class name
*/
function columnMouse(el, className) {
var spans = el.getElementsByTagName('span');
for (var i=0; i < spans.length; i++) {
if (/column/.test(spans[i].className)) {
spans[i].className = 'column' + (className || '');
}
}
}
/** Fill column in search field
* @param string
*/
function selectSearch(name) {
var el = document.getElementById('fieldset-search');
el.className = '';
var divs = el.getElementsByTagName('div');
for (var i=0; i < divs.length; i++) {
var div = divs[i];
if (/select/i.test(div.firstChild.tagName) && selectValue(div.firstChild) == name) {
break;
}
}
if (i == divs.length) {
div.firstChild.value = name;
div.firstChild.onchange();
}
div.lastChild.focus();
}
/** 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) {
var target = event.target || event.srcElement;
if (isCtrl(event) && (event.keyCode == 13 || event.keyCode == 10) && /select|textarea|input/i.test(target.tagName)) { // 13|10 - Enter
target.blur();
if (button) {
target.form[button].click();
} else {
target.form.submit();
}
return false;
}
return true;
}
/** Open form to a new window on Ctrl+click or Shift+click
* @param MouseEvent
*/
function bodyClick(event) {
var target = event.target || event.srcElement;
if ((isCtrl(event) || event.shiftKey) && target.type == 'submit' && /input/i.test(target.tagName)) {
target.form.target = '_blank';
setTimeout(function () {
// if (isCtrl(event)) { focus(); } doesn't work
target.form.target = '';
}, 0);
}
}
/** Change focus by Ctrl+Up or Ctrl+Down
* @param KeyboardEvent
* @return boolean
*/
function editingKeydown(event) {
if ((event.keyCode == 40 || event.keyCode == 38) && isCtrl(event)) { // 40 - Down, 38 - Up
var target = event.target || event.srcElement;
var sibling = (event.keyCode == 40 ? 'nextSibling' : 'previousSibling');
var el = target.parentNode.parentNode[sibling];
if (el && (/^tr$/i.test(el.tagName) || (el = el[sibling])) && /^tr$/i.test(el.tagName) && (el = el.childNodes[nodePosition(target.parentNode)]) && (el = el.childNodes[nodePosition(target)])) {
el.focus();
}
return false;
}
if (event.shiftKey && !bodyKeydown(event, 'insert')) {
eventStop(event);
return false;
}
return true;
}
/** Disable maxlength for functions
* @param HTMLSelectElement
*/
function functionChange(select) {
var input = select.form[select.name.replace(/^function/, 'fields')];
if (selectValue(select)) {
if (input.origMaxLength === undefined) {
input.origMaxLength = input.maxLength;
}
input.removeAttribute('maxlength');
} else if (input.origMaxLength >= 0) {
input.maxLength = input.origMaxLength;
}
}
/** Create AJAX request
* @param string
* @param function (XMLHttpRequest)
* @param [string]
* @return XMLHttpRequest or false in case of an error
*/
function ajax(url, callback, data) {
var request = (window.XMLHttpRequest ? new XMLHttpRequest() : (window.ActiveXObject ? new ActiveXObject('Microsoft.XMLHTTP') : false));
if (request) {
request.open((data ? 'POST' : 'GET'), url);
if (data) {
request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
}
request.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
request.onreadystatechange = function () {
if (request.readyState == 4) {
callback(request);
}
};
request.send(data);
}
return request;
}
/** Use setHtml(key, value) for JSON response
* @param string
* @return XMLHttpRequest or false in case of an error
*/
function ajaxSetHtml(url) {
return ajax(url, function (request) {
if (request.status) {
var data = eval('(' + request.responseText + ')');
for (var key in data) {
setHtml(key, data[key]);
}
}
});
}
/** Display edit field
* @param HTMLElement
* @param MouseEvent
* @param number display textarea instead of input, 2 - load long text
* @param string warning to display
*/
function selectClick(td, event, text, warning) {
var target = event.target || event.srcElement;
if (!isCtrl(event) || /input|textarea/i.test(td.firstChild.tagName) || /^a$/i.test(target.tagName)) {
return;
}
if (warning) {
return alert(warning);
}
var original = td.innerHTML;
text = text || /\n/.test(original);
var input = document.createElement(text ? 'textarea' : 'input');
input.onkeydown = function (event) {
if (!event) {
event = window.event;
}
if (event.keyCode == 27 && !event.shiftKey && !event.altKey && !isCtrl(event)) { // 27 - Esc
td.innerHTML = original;
}
};
var pos = event.rangeOffset;
var value = td.firstChild.alt || td.textContent || td.innerText;
input.style.width = Math.max(td.clientWidth - 14, 20) + 'px'; // 14 = 2 * (td.border + td.padding + input.border)
if (text) {
var rows = 1;
value.replace(/\n/g, function () {
rows++;
});
input.rows = rows;
}
if (value == '\u00A0' || td.getElementsByTagName('i').length) { // or i - NULL
value = '';
}
if (document.selection) {
var range = document.selection.createRange();
range.moveToPoint(event.clientX, event.clientY);
var range2 = range.duplicate();
range2.moveToElementText(td);
range2.setEndPoint('EndToEnd', range);
pos = range2.text.length;
}
td.innerHTML = '';
td.appendChild(input);
setupSubmitHighlight(td);
input.focus();
if (text == 2) { // long text
return ajax(location.href + '&' + encodeURIComponent(td.id) + '=', function (request) {
if (request.status) {
input.value = request.responseText;
input.name = td.id;
}
});
}
input.value = value;
input.name = td.id;
input.selectionStart = pos;
input.selectionEnd = pos;
if (document.selection) {
var range = document.selection.createRange();
range.moveEnd('character', -input.value.length + pos);
range.select();
}
}
/** Load and display next page in select
* @param HTMLLinkElement
* @param string
* @param number
* @return boolean
*/
function selectLoadMore(a, limit, loading) {
var title = a.innerHTML;
var href = a.href;
a.innerHTML = loading;
if (href) {
a.removeAttribute('href');
return ajax(href, function (request) {
var tbody = document.createElement('tbody');
tbody.innerHTML = request.responseText;
document.getElementById('table').appendChild(tbody);
if (tbody.children.length < limit) {
a.parentNode.removeChild(a);
} else {
a.href = href.replace(/\d+$/, function (page) {
return +page + 1;
});
a.innerHTML = title;
}
});
}
}
/** Stop event propagation
* @param Event
*/
function eventStop(event) {
if (event.stopPropagation) {
event.stopPropagation();
} else {
event.cancelBubble = true;
}
}
/** Setup highlighting of default submit button on form field focus
* @param HTMLElement
*/
function setupSubmitHighlight(parent) {
for (var key in { input: 1, select: 1, textarea: 1 }) {
var inputs = parent.getElementsByTagName(key);
for (var i = 0; i < inputs.length; i++) {
if (!/submit|image|file/.test(inputs[i].type)) {
addEvent(inputs[i], 'focus', inputFocus);
addEvent(inputs[i], 'blur', inputBlur);
}
}
}
}
/** Highlight default submit button
* @this HTMLInputElement
*/
function inputFocus() {
var submit = findDefaultSubmit(this.form);
if (submit) {
submit.className += ' default';
}
}
/** Unhighlight default submit button
* @this HTMLInputElement
*/
function inputBlur() {
var submit = findDefaultSubmit(this.form);
if (submit) {
submit.className = submit.className.replace(/ default( |$)/, '$1');
}
}
/** Find submit button used by Enter
* @param HTMLFormElement
* @return HTMLInputElement
*/
function findDefaultSubmit(form) {
var inputs = form.getElementsByTagName('input');
for (var i = 0; i < inputs.length; i++) {
var input = inputs[i];
if (input.type == 'submit') {
return input;
}
}
}
/** Add event listener
* @param HTMLElement
* @param string without 'on'
* @param function
*/
function addEvent(el, action, handler) {
if (el.addEventListener) {
el.addEventListener(action, handler, false);
} else {
el.attachEvent('on' + action, handler);
}
}
/** Defer focusing element
* @param HTMLElement
*/
function focus(el) {
setTimeout(function () { // this has to be an anonymous function because Firefox passes some arguments to setTimeout callback
el.focus();
}, 0);
}
/** Clone node and setup submit highlighting
* @param HTMLElement
* @return HTMLElement
*/
function cloneNode(el) {
var el2 = el.cloneNode(true);
setupSubmitHighlight(el2);
return el2;
}