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Code Issues Releases Wiki Activity

Full AJAX only with pushState to work correctly with history

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This commit is contained in:
Jakub Vrana
2010-11-12 17:09:30 +01:00
parent b37435d716
commit b535853694
6 changed files with 41 additions and 17 deletions
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41
adminer/static/functions.js
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@@ -172,13 +172,17 @@ function textareaKeydown(target, event, tab, button) {
function ajax(url, callback, data) {
var xmlhttp = (window.XMLHttpRequest ? new XMLHttpRequest() : (window.ActiveXObject ? new ActiveXObject('Microsoft.XMLHTTP') : false));
if (xmlhttp) {
xmlhttp.open((data === undefined ? 'GET' : 'POST'), url);
xmlhttp.open((data ? 'POST' : 'GET'), url);
if (data) {
xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
}
xmlhttp.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
xmlhttp.onreadystatechange = function (text) {
if (xmlhttp.readyState == 4) {
var redirect = xmlhttp.getResponseHeader('X-AJAX-Redirect');
if (redirect && history.replaceState) {
history.replaceState(null, '', redirect);
}
callback(xmlhttp.responseText);
}
};
@@ -203,16 +207,12 @@ function ajaxSetHtml(url) {
var ajaxState = 0;
var ajaxTimeout;
/** Load content to #main
/** Safely load content to #main
* @param string
* @param [string]
* @param [MouseEvent]
* @return XMLHttpRequest or false in case of an error
*/
function ajaxMain(url, data, event) {
if (event && event.ctrlKey) {
return false;
}
function ajaxSend(url, data) {
var currentState = ++ajaxState;
clearTimeout(ajaxTimeout);
ajaxTimeout = setTimeout(function () {
@@ -230,6 +230,29 @@ function ajaxMain(url, data, event) {
}, data);
}
/** Load content to #main
* @param string
* @param [string]
* @param [MouseEvent]
* @return XMLHttpRequest or false in case of an error
*/
function ajaxMain(url, data, event) {
if (!history.pushState || (event && event.ctrlKey)) {
return false;
}
history.pushState(data, '', url);
return ajaxSend(url, data);
}
/** Revive page from history
* @param PopStateEvent
*/
window.onpopstate = function (event) {
if (ajaxState || event.state) {
ajaxSend(location.href, event.state);
}
}
/** Send form by AJAX GET
* @param HTMLFormElement
* @param [string]
@@ -239,7 +262,9 @@ function ajaxForm(form, data) {
var params = [ ];
for (var i=0; i < form.elements.length; i++) {
var el = form.elements[i];
if (el.name && (!/checkbox|radio|submit|file/i.test(el.type) || el.checked)) {
if (/file/i.test(el.type) && el.value) {
return false;
} else if (el.name && (!/checkbox|radio|submit|file/i.test(el.type) || el.checked)) {
params.push(encodeURIComponent(el.name) + '=' + encodeURIComponent(/select/i.test(el.tagName) ? selectValue(el) : el.value));
}
}