) => {
+ setLanguage(event.target.value);
+ };
+
return (
<>
=.\nExample:\nx + y\n-786433 x1 + 655361 x2"}
- id="objective"/>
+ title={tr_boxObjTitle}
+ placeholder={tr_boxObjDesc}
+ id="objective" />
=.\nExample:\n+1 x + 2 y <= 15\n524321 x14 + 524305 x15 <= 4194303.5"}
- id="subject"/>
+ title={tr_boxSubjTitle}
+ placeholder={tr_boxSubjDesc}
+ id="subject" />
=.\nExample:\nx >= 0\nx > 0\n0 <= x1 <= 1"}
- id="bounds"/>
+ title={tr_boxBoundsTitle}
+ placeholder={tr_boxBoundsDesc}
+ id="bounds" />
- {/* */}
+ onClickFunc={calculate_clickMaximize} />
+
- {/* */}
-
+ text={tr_boxOut} />
);
}
diff --git a/src/app/scripts.ts b/src/app/scripts.ts
index 161b551..c076489 100644
--- a/src/app/scripts.ts
+++ b/src/app/scripts.ts
@@ -5,13 +5,20 @@ import * as LPAPI from "../api/optimizeLP.js"
import * as GLPKAPI from "../solver/glpk.min.js"
import { start } from "repl";
+import text from "./lang"
+
// custom log so we can append the output dynamically
-function customLog(message: string) {
- console.log(message); // Continue to print message inside of box
+function customLog(input: string) {
+ // get language
+ const lang = (document.getElementById('language_current') as HTMLSelectElement)?.value;
// Get Output Box
const outputElement = document.getElementById('out');
+ // load text
+ const message: string = text(lang, input);
+ console.log(message); // Continue to print message inside of box
+
// Append message if element exists
if (outputElement) {
outputElement.innerHTML += message + "
"; // Append message
@@ -25,6 +32,14 @@ function customLogClear() {
}
}
+function getTranslation(input: string) {
+ // get language
+ const lang = (document.getElementById('language_current') as HTMLSelectElement)?.value;
+
+ // return translation
+ return text(lang, input);
+}
+
function walltimeStopAndPrint(startpoint: number) {
// calculating elapsed time as timestamp
let duration = Date.now() - startpoint;
@@ -37,7 +52,8 @@ function walltimeStopAndPrint(startpoint: number) {
const durationFormatted = seconds + (milliseconds >= 0 ? "." : ".") + Math.abs(milliseconds).toFixed(3).slice(2);
// Printing elapsed time
- customLog("Elapsed time: " + durationFormatted + " seconds
");
+ customLog(getTranslation("etime") + ": " + durationFormatted + " " + getTranslation("seconds"));
+ customLog("");
// return durationFormatted;
}
@@ -47,11 +63,11 @@ function walltimeStart() {
}
function isInputValidRegex(obj: string | undefined, subj: string | undefined, bounds: string | undefined, vars: string | undefined): boolean {
- customLog("Starting input checks...");
-
+ customLog("input_checks_start");
+
// standard case: input is undefined - invalid
- if (obj === undefined || obj === null || subj === undefined || subj === null || bounds === undefined || bounds === null || vars === undefined || vars === null) {
- customLog("Error: Function isInputValidRegex received undefined or null input.");
+ if (obj === undefined || obj === null || subj === undefined || subj === null || bounds === undefined || bounds === null || vars === undefined || vars === null) {
+ customLog(getTranslation("err_nullInput") + "function isInputValidRegex.");
return false;
}
@@ -59,63 +75,64 @@ function isInputValidRegex(obj: string | undefined, subj: string | undefined, bo
let regex = /^[ (\n)]*[\+-]? *((\d+(.\d+)? )?[a-zA-Z][a-zA-Z0-9]*)( *[\+-] *((\d+(.\d+)? )?[a-zA-Z][a-zA-Z0-9]*))*[ (\n)]*$/g;
let isValid = regex.test(obj);
if (!isValid) {
- customLog("Error: Invalid or missing character in object box.");
- return false;
+ customLog(getTranslation("err_invalidInput") + " " + getTranslation("obj_box") + ".");
+ return false;
}
// RegEx check for subject
regex = /^([ (\n)]*[\+-]* *(\d+(.\d+)? )?[a-zA-Z][a-zA-Z0-9]*( *[\+-] *(\d+(.\d+)? )?[a-zA-Z][a-zA-Z0-9]*)* *((<=?)|(>=?)|=) *[\+-]? *\d+(.\d+)?[ (\n)]*)+$/g;
isValid = regex.test(subj);
if (!isValid) {
- customLog("Error: Invalid or missing character in subject box.");
- return false;
+ customLog(getTranslation("err_invalidInput") + " " + getTranslation("subj_box") + ".");
+ return false;
}
-// RegEx check for subject
-regex = /[ (\n)]*(([a-zA-Z][a-zA-Z0-9]* *((<=?)|(>=?)|=) *\d(.\d+)?)|((\d(.\d+)?) *<=? *[a-zA-Z][a-zA-Z0-9]* *<= *(\d(.\d+)?)))[ (\n)]*/g;
-isValid = regex.test(bounds);
-if (!isValid) {
- customLog("Error: Invalid or missing character in bounds box.");
+ // RegEx check for subject
+ regex = /[ (\n)]*(([a-zA-Z][a-zA-Z0-9]* *((<=?)|(>=?)|=) *\d(.\d+)?)|((\d(.\d+)?) *<=? *[a-zA-Z][a-zA-Z0-9]* *<= *(\d(.\d+)?)))[ (\n)]*/g;
+ isValid = regex.test(bounds);
+ if (!isValid) {
+ customLog(getTranslation("err_invalidInput") + " " + getTranslation("bounds_box") + ".");
return false;
-}
+ }
// RegEx check for variables
regex = /^ *([a-zA-Z][a-zA-Z0-9]*(\n)* *)+$/g;
isValid = regex.test(vars);
if (!isValid) {
- customLog("Error: Invalid or missing character in variables box.");
+ customLog(getTranslation("err_invalidInput") + " " + getTranslation("vars_box") + ".");
return false;
}
- customLog("All input checks successful.");
+ customLog("input_checks_successful");
customLog("");
return true;
}
function isInputFilled(obj: string | undefined, subj: string | undefined, bounds: string | undefined, vars: string | undefined) {
if (obj == "" || obj == null || obj == undefined) {
- customLog("Error: Empty input field.");
+ customLog("err_emptyBox");
return false;
}
if (subj == "" || subj == null || subj == undefined) {
- customLog("Error: Empty input field.");
+ customLog("err_emptyBox");
return false;
}
if (bounds == "" || bounds == null || bounds == undefined) {
- customLog("Error: Empty input field.");
+ customLog("err_emptyBox");
return false;
}
if (vars == "" || vars == null || vars == undefined) {
- customLog("Error: Empty input field.");
+ customLog("err_emptyBox");
return false;
}
return true;
}
-export function calculate_click() {
+function calculate_click(maximize: boolean) {
customLogClear();
const timer = walltimeStart();
- customLog("Calculating...
");
+ customLog("calculating");
+ customLog("");
let objective: string | undefined;
const objectiveElement = document.getElementById('objective');
@@ -190,67 +207,78 @@ export function calculate_click() {
// console.log(parseFunction(decider));
-
+
// catch error: empty input field(s)
if (!isInputFilled(objective, subject, bounds, variables)) return;
// catch error: variables field has invalid characters
if (!isInputValidRegex(objective, subject, bounds, variables)) return;
- let wholeText: string = "Maximize\n obj: " + objective
- + "\nSubject To \n" + subject
- + "\nBounds \n" + bounds
- + "\nGenerals \n" + variables
- + "\nEnd";
+ // fetch operator
+ let operator = "Minimize";
+ if (maximize) operator = "Maximize";
+
+ let wholeText: string = operator + "\n obj: " + objective
+ + "\nSubject To \n" + subject
+ + "\nBounds \n" + bounds
+ + "\nGenerals \n" + variables
+ + "\nEnd";
// customLog("
DEBUGGING
\nfunctions:
" + functions + "
variables:
" + variables + "
DEBUGGING END
");
- customLog("Running optimization with input: \"" + wholeText + "\"
");
+ customLog(getTranslation("run_optimization") + ": \"" + wholeText + "\"");
+ customLog("");
run(wholeText);
walltimeStopAndPrint(timer);
}
function run(text: string) {
- customLog("Starting problem setup...");
+ customLog("startProblemSetup");
let lp = GLPKAPI.glp_create_prob();
GLPKAPI.glp_read_lp_from_string(lp, null, text);
- customLog("Problem created.
");
+ customLog("succProblemSetup");
+ customLog("");
- customLog("Scaling problem...");
+ customLog("startScaling");
GLPKAPI.glp_scale_prob(lp, GLPKAPI.GLP_SF_AUTO);
- customLog("Scaling complete.
");
+ customLog("succScaling");
+ customLog("");
- customLog("Starting simplex optimization...");
+ customLog("startOptimizationSimplex");
let smcp = new GLPKAPI.SMCP({ presolve: GLPKAPI.GLP_ON });
GLPKAPI.glp_simplex(lp, smcp);
- customLog("Simplex optimization complete.
");
+ customLog("succOptimizationSimplex");
+ customLog("");
- customLog("Starting integer optimization...");
+ customLog("startOptimizationInteger");
let iocp = new GLPKAPI.IOCP({ presolve: GLPKAPI.GLP_ON });
GLPKAPI.glp_intopt(lp, iocp);
- customLog("Integer optimization complete.
");
+ customLog("succOptimizationInteger");
+ customLog("");
// customLog("obj: " + GLPKAPI.glp_mip_obj_val(lp));
- customLog("Final objective value: " + GLPKAPI.glp_mip_obj_val(lp) + "
");
- customLog("Value of each variable:");
- for (let i = 1; i <= GLPKAPI.glp_get_num_cols(lp) - 1; i++) { // "-1" to remove the "End-variable" from logs
+ customLog("" + getTranslation("finalObjValue") + ": " + GLPKAPI.glp_mip_obj_val(lp) + "");
+ customLog("");
+ customLog(getTranslation("varsValues") + ":");
+ for (let i = 1; i <= GLPKAPI.glp_get_num_cols(lp); i++) {
customLog(GLPKAPI.glp_get_col_name(lp, i) + " = " + GLPKAPI.glp_mip_col_val(lp, i));
}
customLog("");
- customLog("Dual values of constraints:");
- for (let j = 1; j <= GLPKAPI.glp_get_num_rows(lp); j++) {
- const dualValue = GLPKAPI.glp_get_row_dual(lp, j); // fetch dual
- const constraintName = GLPKAPI.glp_get_row_name(lp, j);
- customLog(constraintName + " dual = " + dualValue);
- }
+ customLog(getTranslation("dualValues") + ":");
+ for (let j = 1; j <= GLPKAPI.glp_get_num_rows(lp); j++) {
+ const dualValue = GLPKAPI.glp_get_row_dual(lp, j); // fetch dual
+ const constraintName = GLPKAPI.glp_get_row_name(lp, j);
+ customLog(constraintName + " dual = " + dualValue);
+ }
customLog("");
}
function downloadLPFormatting(objective: any, subject: any, bounds: any) {
- customLog("Preparing file content string...
");
-
+ customLog(getTranslation("downloadPrepFileString"));
+ customLog("");
+
// ensure that all vars are strings
const formattedObjective = typeof objective === 'string' ? objective : '';
const formattedSubject = typeof subject === 'string' ? subject : '';
@@ -274,23 +302,32 @@ function downloadLPFormatting(objective: any, subject: any, bounds: any) {
return lpFormat;
}
+export function calculate_clickMaximize() {
+ calculate_click(true);
+}
+export function calculate_clickMinimize() {
+ calculate_click(false);
+}
function downloadProblemDownload(content: string) {
- customLog("Preparing file...
")
+ customLog("downloadPrepFile");
+ customLog("");
const blob = new Blob([content], { type: 'text/plain' });
const link = document.createElement('a');
link.href = URL.createObjectURL(blob);
link.download = 'problem.txt'; // file name
link.click(); // starting download
- customLog("Starting download.")
+ customLog("downloadStart");
}
export function downloadLP() {
customLogClear();
- customLog("Preparing download...
");
- customLog("Fetching input...
")
+ customLog("downloadPrep");
+ customLog("");
+ customLog("downloadFetchInput");
+ customLog("");
let objective: string | undefined;
const objectiveElement = document.getElementById('objective');
@@ -335,7 +372,7 @@ export function downloadLP() {
export function import_click() {
- console.log("Importing...");
+ console.log("importing");
}