Create and delete tokens from web ui

moneymgr_web/src/widgets/CopyTextChip.tsx

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+import { Chip, Tooltip } from "@mui/material";
+import { useSnackbar } from "../hooks/context_providers/SnackbarProvider";
+
+export function CopyTextChip(p: { text: string }): React.ReactElement {
+  const snackbar = useSnackbar();
+
+  const copyTextToClipboard = () => {
+    navigator.clipboard.writeText(p.text);
+    snackbar(`'${p.text}' was copied to clipboard.`);
+  };
+
+  return (
+    <Tooltip title="Copy to clipboard">
+      <Chip
+        label={p.text}
+        variant="outlined"
+        style={{ margin: "5px" }}
+        onClick={copyTextToClipboard}
+      />
+    </Tooltip>
+  );
+}

moneymgr_web/src/widgets/MoneyMgrWebRouteContainer.tsx

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+import { Typography } from "@mui/material";
+import React, { PropsWithChildren } from "react";
+
+export function MoneyMgrWebRouteContainer(
+  p: {
+    label: string;
+    actions?: React.ReactElement;
+  } & PropsWithChildren
+): React.ReactElement {
+  return (
+    <div
+      style={{
+        margin: "50px",
+        flex: "1",
+        display: "flex",
+        flexDirection: "column",
+      }}
+    >
+      <div
+        style={{
+          display: "flex",
+          justifyContent: "space-between",
+          alignItems: "center",
+          marginBottom: "20px",
+        }}
+      >
+        <Typography variant="h4">{p.label}</Typography>
+        {p.actions ?? <></>}
+      </div>
+
+      {p.children}
+    </div>
+  );
+}

moneymgr_web/src/widgets/TimeWidget.tsx

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+import { Tooltip } from "@mui/material";
+import date from "date-and-time";
+import { time } from "../utils/DateUtils";
+
+export function formatDate(time: number): string {
+  const t = new Date();
+  t.setTime(1000 * time);
+  return date.format(t, "DD/MM/YYYY HH:mm:ss");
+}
+
+export function timeDiff(a: number, b: number): string {
+  let diff = b - a;
+
+  if (diff === 0) return "now";
+  if (diff === 1) return "1 second";
+
+  if (diff < 60) {
+    return `${diff} seconds`;
+  }
+
+  diff = Math.floor(diff / 60);
+
+  if (diff === 1) return "1 minute";
+  if (diff < 60) {
+    return `${diff} minutes`;
+  }
+
+  diff = Math.floor(diff / 60);
+
+  if (diff === 1) return "1 hour";
+  if (diff < 24) {
+    return `${diff} hours`;
+  }
+
+  const diffDays = Math.floor(diff / 24);
+
+  if (diffDays === 1) return "1 day";
+  if (diffDays < 31) {
+    return `${diffDays} days`;
+  }
+
+  diff = Math.floor(diffDays / 31);
+
+  if (diff < 12) {
+    return `${diff} month`;
+  }
+
+  const diffYears = Math.floor(diffDays / 365);
+
+  if (diffYears === 1) return "1 year";
+  return `${diffYears} years`;
+}
+
+export function timeDiffFromNow(t: number): string {
+  return timeDiff(t, time());
+}
+
+export function TimeWidget(p: {
+  time?: number;
+  isDuration?: boolean;
+}): React.ReactElement {
+  if (!p.time) return <></>;
+  return (
+    <Tooltip
+      title={formatDate(
+        p.isDuration ? new Date().getTime() / 1000 - p.time : p.time
+      )}
+      arrow
+    >
+      <span>
+        {p.isDuration ? timeDiff(0, p.time) : timeDiffFromNow(p.time)}
+      </span>
+    </Tooltip>
+  );
+}

moneymgr_web/src/widgets/forms/CheckboxInput.tsx

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+import { Checkbox, FormControlLabel } from "@mui/material";
+
+export function CheckboxInput(p: {
+  editable: boolean;
+  label: string;
+  checked: boolean | undefined;
+  onValueChange: (v: boolean) => void;
+}): React.ReactElement {
+  return (
+    <FormControlLabel
+      control={
+        <Checkbox
+          disabled={!p.editable}
+          checked={p.checked}
+          onChange={(e) => p.onValueChange(e.target.checked)}
+        />
+      }
+      label={p.label}
+    />
+  );
+}

moneymgr_web/src/widgets/forms/TextInput.tsx

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+import { TextField, TextFieldVariants } from "@mui/material";
+import { LenConstraint } from "../../api/ServerApi";
+
+/**
+ * Text input
+ */
+export function TextInput(p: {
+  label?: string;
+  editable?: boolean;
+  value?: string;
+  onValueChange?: (newVal: string | undefined) => void;
+  size?: LenConstraint;
+  checkValue?: (s: string) => boolean;
+  multiline?: boolean;
+  minRows?: number;
+  maxRows?: number;
+  type?: React.HTMLInputTypeAttribute;
+  style?: React.CSSProperties;
+  helperText?: string;
+  variant?: TextFieldVariants;
+}): React.ReactElement {
+  if (!p.editable && (p.value ?? "") === "") return <></>;
+
+  let valueError = undefined;
+  if (p.value && p.value.length > 0) {
+    if (p.size?.min && p.type !== "number" && p.value.length < p.size.min)
+      valueError = `Please specify at least ${p.size.min} characters !`;
+    if (p.checkValue && !p.checkValue(p.value)) valueError = "Invalid value!";
+    if (
+      p.type === "number" &&
+      p.size &&
+      (Number(p.value) > p.size.max || Number(p.value) < p.size.min)
+    )
+      valueError = "Invalid size range!";
+  }
+
+  return (
+    <TextField
+      label={p.label}
+      value={p.value ?? ""}
+      onChange={(e) =>
+        p.onValueChange?.(
+          e.target.value.length === 0 ? undefined : e.target.value
+        )
+      }
+      slotProps={{
+        input: {
+          readOnly: !p.editable,
+          type: p.type,
+        },
+        htmlInput: { maxLength: p.size?.max },
+      }}
+      variant={p.variant ?? "standard"}
+      style={p.style ?? { width: "100%", marginBottom: "15px" }}
+      multiline={p.multiline}
+      minRows={p.minRows}
+      maxRows={p.maxRows}
+      error={valueError !== undefined}
+      helperText={valueError ?? p.helperText}
+    />
+  );
+}