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/*
* This file is part of Cockpit.
*
* Copyright (C) 2017 Red Hat, Inc.
*
* Cockpit is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* Cockpit is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
*/
import cockpit from "cockpit";
import React from "react";
import { Select, SelectOption } from "@patternfly/react-core/dist/esm/deprecated/components/Select/index.js";
import PropTypes from "prop-types";
import { debounce } from 'throttle-debounce';
const _ = cockpit.gettext;
export class FileAutoComplete extends React.Component {
constructor(props) {
super(props);
this.state = {
directory: '', // The current directory we list files/dirs from
displayFiles: [],
isOpen: false,
value: this.props.value || null,
};
this.typeaheadInputValue = "";
this.allowFilesUpdate = true;
this.updateFiles = this.updateFiles.bind(this);
this.finishUpdate = this.finishUpdate.bind(this);
this.onToggle = this.onToggle.bind(this);
this.clearSelection = this.clearSelection.bind(this);
this.onCreateOption = this.onCreateOption.bind(this);
this.onPathChange = (value) => {
if (!value) {
this.clearSelection();
return;
}
this.typeaheadInputValue = value;
const cb = (dirPath) => this.updateFiles(dirPath == '' ? '/' : dirPath);
let path = value;
if (value.lastIndexOf('/') == value.length - 1)
path = value.slice(0, value.length - 1);
const match = this.state.displayFiles
.find(entry => (entry.type == 'directory' && entry.path == path + '/') || (entry.type == 'file' && entry.path == path));
if (match) {
// If match file path is a prefix of another file, do not update current directory,
// since we cannot tell file/directory user wants to select
// https://bugzilla.redhat.com/show_bug.cgi?id=2097662
const isPrefix = this.state.displayFiles.filter(entry => entry.path.startsWith(value)).length > 1;
// If the inserted string corresponds to a directory listed in the results
// update the current directory and refetch results
if (match.type == 'directory' && !isPrefix)
cb(match.path);
else
this.setState({ value: match.path });
} else {
// If the inserted string's parent directory is not matching the `directory`
// in the state object we need to update the parent directory and recreate the displayFiles
const parentDir = value.slice(0, value.lastIndexOf('/'));
if (parentDir + '/' != this.state.directory) {
return this.updateFiles(parentDir + '/');
}
}
};
this.debouncedChange = debounce(300, this.onPathChange);
this.onPathChange(this.state.value);
}
componentWillUnmount() {
this.allowFilesUpdate = false;
}
onCreateOption(newValue) {
this.setState(prevState => ({
displayFiles: [...prevState.displayFiles, { type: "file", path: newValue }]
}));
}
updateFiles(path) {
if (this.state.directory == path)
return;
const channel = cockpit.channel({
payload: "fslist1",
path,
superuser: this.props.superuser,
watch: false,
});
const results = [];
channel.addEventListener("ready", () => {
this.finishUpdate(results, null, path);
});
channel.addEventListener("close", (ev, data) => {
this.finishUpdate(results, data.message, path);
});
channel.addEventListener("message", (ev, data) => {
const item = JSON.parse(data);
if (item && item.path && item.event == 'present') {
item.path = item.path + (item.type == 'directory' ? '/' : '');
results.push(item);
}
});
}
finishUpdate(results, error, directory) {
if (!this.allowFilesUpdate)
return;
results = results.sort((a, b) => a.path.localeCompare(b.path, { sensitivity: 'base' }));
const listItems = results.map(file => ({
type: file.type,
path: (directory == '' ? '/' : directory) + file.path
}));
if (directory) {
listItems.unshift({
type: "directory",
path: directory
});
}
if (error || !this.state.value)
this.props.onChange('', error);
if (!error)
this.setState({ displayFiles: listItems, directory });
this.setState({
error,
});
}
onToggle(_, isOpen) {
this.setState({ isOpen });
}
clearSelection() {
this.typeaheadInputValue = "";
this.updateFiles("/");
this.setState({
value: null,
isOpen: false
});
this.props.onChange('', null);
}
render() {
const placeholder = this.props.placeholder || _("Path to file");
const selectOptions = this.state.displayFiles
.map(option => <SelectOption key={option.path}
className={option.type}
value={option.path} />);
return (
<Select
variant="typeahead"
id={this.props.id}
isInputValuePersisted
onTypeaheadInputChanged={this.debouncedChange}
placeholderText={placeholder}
noResultsFoundText={this.state.error || _("No such file or directory")}
selections={this.state.value}
onSelect={(_, value) => {
this.setState({ value, isOpen: false });
this.debouncedChange(value);
this.props.onChange(value || '', null);
}}
onToggle={this.onToggle}
onClear={this.clearSelection}
isOpen={this.state.isOpen}
isCreatable={this.props.isOptionCreatable}
createText={_("Create")}
onCreateOption={this.onCreateOption}
menuAppendTo="parent">
{selectOptions}
</Select>
);
}
}
FileAutoComplete.propTypes = {
id: PropTypes.string,
placeholder: PropTypes.string,
superuser: PropTypes.string,
isOptionCreatable: PropTypes.bool,
onChange: PropTypes.func,
value: PropTypes.string,
};
FileAutoComplete.defaultProps = {
isOptionCreatable: false,
onChange: () => '',
};
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