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Fixes #1149: Filter out already included javascript files requested via ajax.

tags/2.0.0-beta
Qiang Xue 11 years ago
parent
commit
b6cc8c0066
  1. 112
      framework/yii/assets/yii.js

112
framework/yii/assets/yii.js

@ -44,6 +44,11 @@
yii = (function ($) {
var pub = {
/**
* List of scripts that can be loaded multiple times via AJAX requests. Each script can be represented
* as either an absolute URL or a relative one.
*/
reloadableScripts: [],
/**
* The selector for clickable elements that need to support confirmation and form submission.
*/
clickableSelector: 'a, button, input[type="submit"], input[type="button"], input[type="reset"], input[type="image"]',
@ -161,46 +166,79 @@ yii = (function ($) {
},
init: function () {
var $document = $(document);
initCsrfHandler();
initRedirectHandler();
initScriptFilter();
initDataMethods();
}
};
// automatically send CSRF token for all AJAX requests
$.ajaxPrefilter(function (options, originalOptions, xhr) {
if (!options.crossDomain && pub.getCsrfVar()) {
xhr.setRequestHeader('X-CSRF-Token', pub.getCsrfToken());
function initRedirectHandler() {
// handle AJAX redirection
$(document).ajaxComplete(function (event, xhr, settings) {
var url = xhr.getResponseHeader('X-Redirect');
if (url) {
window.location = url;
}
});
}
function initCsrfHandler() {
// automatically send CSRF token for all AJAX requests
$.ajaxPrefilter(function (options, originalOptions, xhr) {
if (!options.crossDomain && pub.getCsrfVar()) {
xhr.setRequestHeader('X-CSRF-Token', pub.getCsrfToken());
}
});
}
function initDataMethods() {
var $document = $(document);
// handle data-confirm and data-method for clickable elements
$document.on('click.yii', pub.clickableSelector, function (event) {
var $this = $(this);
if (pub.allowAction($this)) {
return pub.handleAction($this);
} else {
event.stopImmediatePropagation();
return false;
}
});
// handle data-confirm and data-method for changeable elements
$document.on('change.yii', pub.changeableSelector, function (event) {
var $this = $(this);
if (pub.allowAction($this)) {
return pub.handleAction($this);
} else {
event.stopImmediatePropagation();
return false;
}
});
}
function initScriptFilter() {
var hostInfo = location.protocol + '//' + location.host;
var loadedScripts = $('script').filter(function () {
return this.src;
}).map(function () {
return this.src.charAt(0) === '/' ? hostInfo + this.src : this.src;
}).toArray();
$.ajaxPrefilter('script', function (options, originalOptions, xhr) {
var url = options.url.charAt(0) === '/' ? hostInfo + options.url : options.url;
if (loadedScripts.indexOf(url) < 0) {
loadedScripts.push(url);
} else {
var found = pub.reloadableScripts.map(function () {
return this.charAt(0) === '/' ? hostInfo + this : this;
}).indexOf(url) >= 0;
if (!found) {
xhr.abort();
}
});
}
});
}
// handle AJAX redirection
$document.ajaxComplete(function (event, xhr, settings) {
var url = xhr.getResponseHeader('X-Redirect');
if (url) {
window.location = url;
}
});
// handle data-confirm and data-method for clickable elements
$document.on('click.yii', pub.clickableSelector, function (event) {
var $this = $(this);
if (pub.allowAction($this)) {
return pub.handleAction($this);
} else {
event.stopImmediatePropagation();
return false;
}
});
// handle data-confirm and data-method for changeable elements
$document.on('change.yii', pub.changeableSelector, function (event) {
var $this = $(this);
if (pub.allowAction($this)) {
return pub.handleAction($this);
} else {
event.stopImmediatePropagation();
return false;
}
});
}
};
return pub;
})(jQuery);

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