49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
|
|
||
|
|
function RemoteExtension() {
|
||
|
|
this.tags = ['remote'];
|
||
|
|
|
||
|
|
this.parse = function(parser, nodes, lexer) {
|
||
|
|
// get the tag token
|
||
|
|
var tok = parser.nextToken();
|
||
|
|
|
||
|
|
// parse the args and move after the block end. passing true
|
||
|
|
// as the second arg is required if there are no parentheses
|
||
|
|
var args = parser.parseSignature(null, true);
|
||
|
|
parser.advanceAfterBlockEnd(tok.value);
|
||
|
|
|
||
|
|
// parse the body and move after block end
|
||
|
|
var body = parser.parseUntilBlocks('error', 'endtruncate');
|
||
|
|
var errorBody = null;
|
||
|
|
|
||
|
|
if (parser.skipSymbol('error')) {
|
||
|
|
parser.skip(lexer.TOKEN_BLOCK_END);
|
||
|
|
errorBody = parser.parseUntilBlocks('endremote');
|
||
|
|
}
|
||
|
|
|
||
|
|
parser.advanceAfterBlockEnd();
|
||
|
|
|
||
|
|
return new nodes.CallExtension(this, 'run', args, [body, errorBody]);
|
||
|
|
};
|
||
|
|
|
||
|
|
this.run = function(context, url, body, errorBody) {
|
||
|
|
var id = 'el' + Math.floor(Math.random() * 10000);
|
||
|
|
var ret = new nunjucks.runtime.SafeString('<div id="' + id + '">' + body() + '</div>');
|
||
|
|
var ajax = new XMLHttpRequest();
|
||
|
|
|
||
|
|
ajax.onreadystatechange = function() {
|
||
|
|
if (ajax.readyState == 4) {
|
||
|
|
if (ajax.status == 200) {
|
||
|
|
document.getElementById(id).innerHTML = ajax.responseText;
|
||
|
|
} else {
|
||
|
|
document.getElementById(id).innerHTML = errorBody();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
ajax.open('GET', url, true);
|
||
|
|
ajax.send();
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
};
|
||
|
|
}
|