Files
h5ai/src/_h5ai/js/inc/Connector.js
2011-11-26 20:53:51 +01:00

116 lines
3.9 KiB
JavaScript

(function ($, H5AI) {
H5AI.connector = (function () {
var cache = {},
pathnameStatusCache = {},
contentTypeRegEx = /^text\/html;h5ai=/,
getPath = function (folder, tableRow) {
var absHref = H5AI.util.getAbsHref(folder, tableRow),
path = cache[absHref];
if (!path) {
path = H5AI.Path(folder, tableRow);
if (!path.isParentFolder) {
cache[path.absHref] = path;
}
}
return path;
},
fetchStatus = function (pathname, callback) {
if (H5AI.core.settings.folderStatus[pathname]) {
callback(H5AI.core.settings.folderStatus[pathname]);
return;
} else if (pathnameStatusCache[pathname]) {
callback(pathnameStatusCache[pathname]);
return;
}
$.ajax({
url: pathname,
type: "HEAD",
complete: function (xhr) {
var status = xhr.status;
if (status === 200 && contentTypeRegEx.test(xhr.getResponseHeader("Content-Type"))) {
status = "h5ai";
}
pathnameStatusCache[pathname] = status;
callback(status);
}
});
},
updatePath = function (path) {
if (path.isFolder && !path.isParentFolder && path.status === undefined) {
fetchStatus(path.absHref, function (status) {
if (status !== "h5ai") {
path.status = status;
}
H5AI.html.updateHtml(path);
H5AI.core.linkHoverStates();
});
}
},
updatePaths = function () {
$.each(cache, function (ref, cached) {
updatePath(cached);
});
},
fetchStatusAndContent = function (pathname, includeParent, callback) {
fetchStatus(pathname, function (status) {
if (status !== "h5ai") {
callback(status, {});
return;
}
$.ajax({
url: pathname,
type: "GET",
dataType: "html",
error: function (xhr) {
callback(xhr.status, {}); // since it was checked before this should never happen
},
success: function (html, status, xhr) {
var content = {};
if (!contentTypeRegEx.test(xhr.getResponseHeader("Content-Type"))) {
callback(xhr.status, {}); // since it was checked before this should never happen
return;
}
$(html).find("#table td").closest("tr").each(function () {
var path = getPath(pathname, this);
if (path.isFolder && (!path.isParentFolder || includeParent)) {
content[path.absHref] = path;
updatePath(path);
}
});
callback("h5ai", content);
}
});
});
};
return {
getPath: getPath,
updatePaths: updatePaths,
fetchStatusAndContent: fetchStatusAndContent
};
}());
}(jQuery, H5AI));