Added directory breadcrumb buttons to see path and navigate back

package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "license": "Apache-2.0",
   "dependencies": {
+    "@fortawesome/fontawesome-svg-core": "^6.2.1",
     "@fortawesome/free-regular-svg-icons": "^6.2.0",
     "@fortawesome/free-solid-svg-icons": "^6.1.1",
     "@fortawesome/react-fontawesome": "^0.2.0",

src/DirectoryBreadcrumbs.jsx

@@ -0,0 +1,40 @@
+import React from 'react';
+import Breadcrumb from 'react-bootstrap/Breadcrumb';
+import { useHistory, useLocation } from 'react-router-dom';
+import { OverlayTrigger, Tooltip } from "react-bootstrap";
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
+import { faInfoCircle } from "@fortawesome/free-solid-svg-icons";
+
+export function DirectoryBreadcrumbs() {
+    const location = useLocation();
+    const history = useHistory();
+
+    const breadcrumbs = []
+    for (let state = location.state; state; state = state.prevState) {
+        breadcrumbs.unshift(state)
+    }
+
+    return (
+        <Breadcrumb>
+            {
+                breadcrumbs.map((state, i) => {
+                    const index = breadcrumbs.length - i - 1 // revert index
+                    return <Breadcrumb.Item key={index} size="sm" variant="outline-secondary"
+                                            onClick={() => {
+                                                if (index) history.go(-index);
+                                            }}
+                                            active={!index}>
+                        {state.label}
+                        {state.oid && !index && <>&nbsp;<OverlayTrigger placement="top"
+                                               trigger="click"
+                                               overlay={<Tooltip
+                                                   className={"wide-tooltip"}>OID: {state.oid}</Tooltip>}
+                        >
+                            <FontAwesomeIcon icon={faInfoCircle} />
+                        </OverlayTrigger></>}
+                    </Breadcrumb.Item>;
+                })
+            }
+        </Breadcrumb>
+    )
+}

src/DirectoryItems.jsx

@@ -24,9 +24,9 @@ function sizeInfo(item) {
     return 0;
 }
 
-function directoryLinkOrDownload(x) {
+function directoryLinkOrDownload(x, state) {
     if (x.obj.startsWith("k")) {
-        return <Link to={objectLink(x.obj)}>{objectName(x.name, x.type)}</Link>;
+        return <Link to={objectLink(x.obj, x.name, state)}>{objectName(x.name, x.type)}</Link>;
     }
 
     return <a href={"/api/v1/objects/" + x.obj + "?fname=" + encodeURIComponent(x.name)}>{x.name}</a>;
@@ -39,7 +39,7 @@ export class DirectoryItems extends Component {
             id: "name",
             Header: 'Name',
             width: "",
-            accessor: x => directoryLinkOrDownload(x),
+            accessor: x => directoryLinkOrDownload(x, this.props.historyState),
         }, {
             id: "mtime",
             accessor: "mtime",

src/DirectoryObject.jsx

@@ -7,7 +7,8 @@ import Row from 'react-bootstrap/Row';
 import Col from 'react-bootstrap/Col';
 import Spinner from 'react-bootstrap/Spinner';
 import { DirectoryItems } from "./DirectoryItems";
-import { CLIEquivalent, GoBackButton } from './uiutil';
+import { CLIEquivalent } from './uiutil';
+import { DirectoryBreadcrumbs } from "./DirectoryBreadcrumbs";
 
 export class DirectoryObject extends Component {
     constructor() {
@@ -118,33 +119,36 @@ export class DirectoryObject extends Component {
         }
 
         return <>
+            <DirectoryBreadcrumbs />
             <Row>
-                <Col xs={12}>
-                    <GoBackButton onClick={this.props.history.goBack} />
-                    &nbsp;
+                <Col xs="auto">
                     {this.state.mountInfo.path ? <>
-                        <Button size="sm" variant="info" onClick={this.unmount} >Unmount</Button>
+                        <Button size="sm" variant="info" onClick={this.unmount}>Unmount</Button>
                         {window.kopiaUI && <>
                             &nbsp;
-                            <Button size="sm" variant="info" onClick={this.browseMounted} >Browse</Button>
+                            <Button size="sm" variant="info" onClick={this.browseMounted}>Browse</Button>
                         </>}
                         &nbsp;<input id="mountedPath" value={this.state.mountInfo.path} />
-                        <Button size="sm" variant="primary" onClick={this.copyPath} ><FontAwesomeIcon icon={faCopy} /></Button>
+                        <Button size="sm" variant="primary" onClick={this.copyPath}><FontAwesomeIcon
+                            icon={faCopy} /></Button>
                     </> : <>
-                        <Button size="sm" variant="primary" onClick={this.mount} >Mount as Local Filesystem</Button>
+                        <Button size="sm" variant="primary" onClick={this.mount}>Mount as Local Filesystem</Button>
                     </>}
                     &nbsp;
-                    <Button size="sm" variant="info" href={"/snapshots/dir/" + this.props.match.params.oid + "/restore"}>Restore Files & Directories</Button>
+                    <Button size="sm" variant="info"
+                            href={"/snapshots/dir/" + this.props.match.params.oid + "/restore"}>Restore
+                        Files & Directories</Button>
+                    &nbsp;
+                </Col>
+                <Col xs={12} md={6}>
+                    You can mount/restore all the files & directories that you see below or restore files
+                    individually.
                 </Col>
-            </Row>
-            <Row><Col>&nbsp;</Col>
-            </Row>
-            <Row><Col xs={12}>You can mount/restore all the files & directories that you see below or restore files individually.</Col>
             </Row>
             <Row><Col>&nbsp;</Col>
             </Row>
             <Row>
-                <Col xs={12}><DirectoryItems items={items} /></Col>
+                <Col xs={12}><DirectoryItems items={items} historyState={this.props.location.state} /></Col>
             </Row>
             <CLIEquivalent command={`snapshot list ${this.state.oid}`} />
         </>

src/SnapshotsTable.jsx

@@ -249,8 +249,8 @@ export class SnapshotsTable extends Component {
                 originalSnapshotDescription: x.description,
             })
         }}
-            title={x.description + " - Click to update snapshot description."}
-            className={x.description ? "text-warning" : "text-muted"}><b><FontAwesomeIcon icon={faFileAlt} /></b></a>;
+                  title={x.description + " - Click to update snapshot description."}
+                  className={x.description ? "text-warning" : "text-muted"}><b><FontAwesomeIcon icon={faFileAlt} /></b></a>;
     }
 
     newPinFor(x) {
@@ -323,6 +323,9 @@ export class SnapshotsTable extends Component {
         if (isLoading && !snapshots) {
             return <Spinner animation="border" variant="primary" />;
         }
+        const searchParams = new URLSearchParams(window.location.search);
+        const path = searchParams.get("path");
+
 
         snapshots.sort((a, b) => -compare(a.startTime, b.startTime));
 
@@ -336,7 +339,10 @@ export class SnapshotsTable extends Component {
             id: 'startTime',
             Header: 'Start time',
             width: 200,
-            accessor: x => <Link to={objectLink(x.rootID)}>{rfc3339TimestampForDisplay(x.startTime)}</Link>,
+            accessor: x => {
+                let timestamp = rfc3339TimestampForDisplay(x.startTime);
+                return <Link to={objectLink(x.rootID, timestamp, { label: path })}>{timestamp}</Link>;
+            },
         }, {
             id: 'description',
             Header: '',
@@ -465,9 +471,9 @@ export class SnapshotsTable extends Component {
                     <Form.Group>
                         <Form.Label>Enter new description</Form.Label>
                         <Form.Control as="textarea"
-                            size="sm"
-                            value={this.state.updatedSnapshotDescription}
-                            onChange={e => this.setState({ updatedSnapshotDescription: e.target.value })} />
+                                      size="sm"
+                                      value={this.state.updatedSnapshotDescription}
+                                      onChange={e => this.setState({ updatedSnapshotDescription: e.target.value })} />
                     </Form.Group>
                 </Modal.Body>
 

src/uiutil.jsx

@@ -93,9 +93,9 @@ export function rfc3339TimestampForDisplay(n) {
     return t.toLocaleString();
 }
 
-export function objectLink(n) {
+export function objectLink(n, label, prevState) {
     if (n.startsWith("k") || n.startsWith("Ik")) {
-        return "/snapshots/dir/" + n;
+        return { pathname: "/snapshots/dir/" + n, state: { label, oid: n, prevState } };
     }
     return "/api/v1/objects/" + n;
 }
@@ -120,7 +120,7 @@ export function redirect(e) {
 
 /**
  * Convert a number of milliseconds into a string containing multiple units.
- * 
+ *
  * e.g. 90000 --> "1m 30s" or "1 minute 30 seconds"
  *
  * @param {number} ms - A duration (as a number of milliseconds).
@@ -136,9 +136,9 @@ export function formatMillisecondsUsingMultipleUnits(ms) {
  * Separate a duration into integer magnitudes of multiple units which,
  * when combined together, equal the original duration (minus any partial
  * milliseconds, if the original duration included any partial milliseconds).
- * 
+ *
  * e.g. 100000123.999 --> 1 day 3 hours 46 minutes 40 seconds 123 milliseconds
- * 
+ *
  * @param {number} ms - A duration (as a number of milliseconds).
  * @returns {object} An object having numeric properties named `days`, `hours`,
  *                   `minutes`, `seconds`, and `milliseconds`; whose values,
@@ -161,16 +161,16 @@ export function separateMillisecondsIntoMagnitudes(ms) {
  * Format a duration in terms of the largest unit having a non-zero magnitude,
  * together with the next largest unit (e.g. hours --> hours and minutes),
  * disregarding all smaller units (i.e. truncate, as opposed to round).
- * 
+ *
  * There are some exceptions, which are listed below.
- * 
+ *
  * Exceptions:
  * 1. If the largest unit having a non-zero magnitude is `seconds` and the
  *    magnitude is at least 10, format it as an integer number of seconds.
  * 2. If the largest unit having a non-zero magnitude is `seconds` and the
  *    magnitude is less than 10, or if the largest unit having a non-zero
  *    magnitude is `milliseconds`, format it as a fractional number of seconds.
- * 
+ *
  * @param {object} magnitudes - An object having numeric properties named
  *                              `days`, `hours`, `minutes`, `seconds`, and
  *                              `milliseconds`; whose values, when combined
@@ -234,7 +234,7 @@ export function formatMagnitudesUsingMultipleUnits(magnitudes, abbreviateUnits =
 /**
  * Convert a number of milliseconds into a formatted string, either
  * using multiple units (e.g. "1m 5s") or using seconds (e.g. "65.0s").
- * 
+ *
  * @param {number} ms - The number of milliseconds (i.e. some duration).
  * @param {boolean} useMultipleUnits - Whether you want to use multiple units.
  * @returns {string} The formatted string.
@@ -410,8 +410,8 @@ export function CLIEquivalent(props) {
     return <>
         <InputGroup size="sm" >
             <Button size="sm" title="Click to show CLI equivalent" variant="submit" onClick={() => setVisible(!visible)}><FontAwesomeIcon size="sm" icon={faTerminal} /></Button>
-            {visible && <Button class="sm" variant="success" title="Copy to clipboard" onClick={copyToClibopard} ><FontAwesomeIcon size="sm" icon={faCopy} /></Button>}
-            {visible && <FormControl size="sm" ref={ref} className="cli-equivalent" value={`${cliInfo.executable} ${props.command}`} />}
+            {visible && <Button size="sm" variant="success" title="Copy to clipboard" onClick={copyToClibopard} ><FontAwesomeIcon size="sm" icon={faCopy} /></Button>}
+            {visible && <FormControl size="sm" ref={ref} className="cli-equivalent" readOnly={true} value={`${cliInfo.executable} ${props.command}`} />}
         </InputGroup>
     </>;
 }