/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.server.resourcemanager.webapp;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
public class SchedulerPageUtil {
static class QueueBlockUtil extends HtmlBlock {
private void reopenQueue(Block html) {
html.
script().$type("text/javascript").
_("function reopenQueryNodes() {",
" var currentParam = window.location.href.split('?');",
" var tmpCurrentParam = currentParam;",
" var queryQueuesString = '';",
" if (tmpCurrentParam.length > 1) {",
" // openQueues=q1#q2¶m1=value1¶m2=value2",
" tmpCurrentParam = tmpCurrentParam[1];",
" if (tmpCurrentParam.indexOf('openQueues=') != -1 ) {",
" tmpCurrentParam = tmpCurrentParam.split('openQueues=')[1].split('&')[0];",
" queryQueuesString = tmpCurrentParam;",
" }",
" }",
" if (queryQueuesString != '') {",
" queueArray = queryQueuesString.split('#');",
" $('#cs .q').each(function() {",
" var name = $(this).html();",
" if (name != 'root' && $.inArray(name, queueArray) != -1) {",
" $(this).closest('li').removeClass('jstree-closed').addClass('jstree-open'); ",
" }",
" });",
" }",
" $('#cs').bind( {",
" 'open_node.jstree' :function(e, data) { storeExpandedQueue(e, data); },",
" 'close_node.jstree':function(e, data) { storeExpandedQueue(e, data); }",
" });",
"}")._();
}
private void storeExpandedQueue (Block html) {
html.
script().$type("text/javascript").
_("function storeExpandedQueue(e, data) {",
" var OPEN_QUEUES = 'openQueues';",
" var ACTION_OPEN = 'open';",
" var ACTION_CLOSED = 'closed';",
" var $li = $(data.args[0]);",
" var action = ACTION_CLOSED; //closed or open",
" var queueName = ''",
" if ($li.hasClass('jstree-open')) {",
" action=ACTION_OPEN;",
" }",
" queueName = $li.find('.q').html();",
" // http://localhost:8088/cluster/scheduler?openQueues=q1#q2¶m1=value1¶m2=value2 ",
" // ==> [http://localhost:8088/cluster/scheduler , openQueues=q1#q2¶m1=value1¶m2=value2]",
" var currentParam = window.location.href.split('?');",
" var tmpCurrentParam = currentParam;",
" var queryString = '';",
" if (tmpCurrentParam.length > 1) {",
" // openQueues=q1#q2¶m1=value1¶m2=value2",
" tmpCurrentParam = tmpCurrentParam[1];",
" currentParam = tmpCurrentParam;",
" tmpCurrentParam = tmpCurrentParam.split('&');",
" var len = tmpCurrentParam.length;",
" var paramExist = false;",
" if (len > 1) { // Currently no query param are present but in future if any are added for that handling it now",
" queryString = '';",
" for (var i = 0 ; i < len ; i++) { // searching for param openQueues",
" if (tmpCurrentParam[i].substr(0,11) == OPEN_QUEUES + '=') {",
" if (action == ACTION_OPEN) {",
" tmpCurrentParam[i] = addQueueName(tmpCurrentParam[i],queueName);",
" }",
" else if (action == ACTION_CLOSED) {",
" tmpCurrentParam[i] = removeQueueName(tmpCurrentParam[i] , queueName);",
" }",
" paramExist = true;",
" }",
" if (i > 0) {",
" queryString += '&';",
" }",
" queryString += tmpCurrentParam[i];",
" }",
" // If in existing query string OPEN_QUEUES param is not present",
" if (action == ACTION_OPEN && !paramExist) {",
" queryString = currentParam + '&' + OPEN_QUEUES + '=' + queueName;",
" }",
" } ",
" // Only one param is present in current query string",
" else {",
" tmpCurrentParam=tmpCurrentParam[0];",
" // checking if the only param present in query string is OPEN_QUEUES or not and making queryString accordingly",
" if (tmpCurrentParam.substr(0,11) == OPEN_QUEUES + '=') {",
" if (action == ACTION_OPEN) {",
" queryString = addQueueName(tmpCurrentParam,queueName);",
" }",
" else if (action == ACTION_CLOSED) {",
" queryString = removeQueueName(tmpCurrentParam , queueName);",
" }",
" }",
" else {",
" if (action == ACTION_OPEN) {",
" queryString = tmpCurrentParam + '&' + OPEN_QUEUES + '=' + queueName;",
" }",
" }",
" }",
" } else {",
" if (action == ACTION_OPEN) {",
" tmpCurrentParam = '';",
" currentParam = tmpCurrentParam;",
" queryString = OPEN_QUEUES+'='+queueName;",
" }",
" }",
" if (queryString != '') {",
" queryString = '?' + queryString;",
" }",
" var url = window.location.protocol + '//' + window.location.host + window.location.pathname + queryString;",
" window.history.pushState( { path : url }, '', url);",
"};",
"",
"function removeQueueName(queryString, queueName) {",
" var index = queryString.indexOf(queueName);",
" // Finding if queue is present in query param then only remove it",
" if (index != -1) {",
" // removing openQueues=",
" var tmp = queryString.substr(11, queryString.length);",
" tmp = tmp.split('#');",
" var len = tmp.length;",
" var newQueryString = '';",
" for (var i = 0 ; i < len ; i++) {",
" if (tmp[i] != queueName) {",
" if (newQueryString != '') {",
" newQueryString += '#';",
" }",
" newQueryString += tmp[i];",
" }",
" }",
" queryString = newQueryString;",
" if (newQueryString != '') {",
" queryString = 'openQueues=' + newQueryString;",
" }",
" }",
" return queryString;",
"}",
"",
"function addQueueName(queryString, queueName) {",
" queueArray = queryString.split('#');",
" if ($.inArray(queueArray, queueName) == -1) {",
" queryString = queryString + '#' + queueName;",
" }",
" return queryString;",
"}")._();
}
@Override protected void render(Block html) {
reopenQueue(html);
storeExpandedQueue(html);
}
}
}