titaniumtown/YTBN-Graphing-Software
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better error handling for bounds

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This commit is contained in:
Simon Gardling 2022-02-17 09:26:49 -05:00
parent 30dfcfa36a
commit 7525b3acf2
1 changed files with 36 additions and 8 deletions
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44
www/index.js
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@ -85,10 +85,40 @@ function onMouseMove(event) {
}
}
function updatePlot() {
function postErrorStatus(string) {
status.style.color = "red";
status.innerText = string;
}
function postNormalStatus(string) {
status.style.color = "grey";
status.innerText = `Rendering y=${math_function.value}...`;
status.innerText = string;
}
function updatePlot() {
postNormalStatus(`Rendering y=${math_function.value}...`);
if (minX.value > maxX.value) {
postErrorStatus("minX is larger than maxX!");
return;
}
if (minY.value > maxY.value) {
postErrorStatus("minY is larger than maxY!");
return;
}
if (0 > num_interval.value) {
postErrorStatus("Interval is smaller than 0!");
return;
}
if (0 > resolution.value) {
postErrorStatus("resolution (Number of Points) is smaller than 0!");
return;
}
if (chart_manager == null) {
chart_manager = ChartManager.new(math_function.value, Number(minX.value), Number(maxX.value), Number(minY.value), Number(maxY.value), Number(num_interval.value), Number(resolution.value));
}
@ -96,11 +126,10 @@ function updatePlot() {
const test_result = ChartManager.test_func(math_function.value);
if (test_result != "") {
const error_recommendation = ChartManager.error_recommend(test_result);
status.style.color = "red";
if (error_recommendation == "") {
status.innerText = test_result;
postErrorStatus(test_result);
} else {
status.innerText = `${test_result}\nTip: ${error_recommendation}`
postErrorStatus(`${test_result}\nTip: ${error_recommendation}`);
}
return;
}
@ -112,9 +141,8 @@ function updatePlot() {
area_msg.innerText = `Estimated Area: ${chart.get_area()}`;
status.innerText = `Rendered ${math_function.innerText} in ${Math.ceil(end - start)}ms`;
postNormalStatus(`Rendered ${math_function.innerText} in ${Math.ceil(end - start)}ms`);
} catch(err) {
status.style.color = "red";
status.innerText = `Error! check console logs for more detail`;
postErrorStatus(`Error! check console logs for more detail`);
}
}