| /* |
| * 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. |
| */ |
| function calculator() |
| { |
| var a, b, op; |
| |
| a = getNumber("a"); |
| b = getNumber("b", a); |
| op = getOperator(a, b); |
| |
| if (op == "plus") |
| sendResult(a, b, op, a + b); |
| else if (op == "minus") |
| sendResult(a, b, op, a - b); |
| else if (op == "multiply") |
| sendResult(a, b, op, a * b); |
| else if (op == "divide") |
| sendResult(a, b, op, a / b); |
| else |
| sendResult("Error: Unkown operator!"); |
| } |
| |
| function getNumber(name, a, b) |
| { |
| var uri = "page/getNumber" + name.toUpperCase(); |
| cocoon.sendPageAndWait(uri, { "a" : a, "b" : b }); |
| return parseFloat(cocoon.request.getParameter(name)); |
| } |
| |
| function getOperator(a, b) |
| { |
| cocoon.sendPageAndWait("page/getOperator", { "a" : a, "b" : b }); |
| return cocoon.request.operator; |
| } |
| |
| function sendResult(a, b, op, result) |
| { |
| cocoon.sendPage("page/displayResult", |
| { |
| "a" : a, |
| "b" : b, |
| "operator" : op, |
| "result" : result |
| } |
| ); |
| } |