import React from 'react';
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import '../css/TaskList.scss';
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import TaskListItem from './TaskListItem';
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import PropTypes from 'prop-types';
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import $ from 'jquery';
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import HistoryNav from '../classes/HistoryNav';
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import { _, interpolate } from '../classes/gettext';
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class TaskList extends React.Component {
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static propTypes = {
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history: PropTypes.object.isRequired,
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source: PropTypes.string.isRequired, // URL where to load task list
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onDelete: PropTypes.func,
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onTaskMoved: PropTypes.func,
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hasPermission: PropTypes.func.isRequired,
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onTagsChanged: PropTypes.func,
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onTagClicked: PropTypes.func
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}
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constructor(props){
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super(props);
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this.historyNav = new HistoryNav(props.history);
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this.state = {
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tasks: [],
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error: "",
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loading: true,
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filterText: "",
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filterTags: []
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};
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this.refresh = this.refresh.bind(this);
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this.retry = this.retry.bind(this);
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this.deleteTask = this.deleteTask.bind(this);
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}
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componentDidMount(){
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this.loadTaskList();
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}
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refresh(){
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this.loadTaskList();
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}
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retry(){
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this.setState({error: "", loading: true});
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this.refresh();
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}
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applyFilter(text, tags){
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this.setState({filterText: text, filterTags: tags});
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}
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loadTaskList(){
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this.setState({loading: true});
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this.taskListRequest =
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$.getJSON(this.props.source, json => {
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if (json.length === 1){
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this.historyNav.addToQSList("project_task_expanded", json[0].id);
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}
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this.setState({
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tasks: json
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});
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setTimeout(() => this.notifyTagsChanged(), 0);
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})
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.fail((jqXHR, textStatus, errorThrown) => {
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this.setState({
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error: interpolate(_("Could not load task list: %(error)s"), { error: textStatus} ),
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});
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})
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.always(() => {
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this.setState({
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loading: false
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});
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});
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}
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componentWillUnmount(){
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this.taskListRequest.abort();
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}
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deleteTask(id){
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this.setState({
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tasks: this.state.tasks.filter(t => t.id !== id)
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});
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if (this.props.onDelete) this.props.onDelete(id);
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}
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moveTask = (task) => {
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this.refresh();
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if (this.props.onTaskMoved) this.props.onTaskMoved(task);
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}
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notifyTagsChanged = () => {
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const { tasks } = this.state;
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const tags = [];
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if (tasks){
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tasks.forEach(t => {
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if (t.tags){
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t.tags.forEach(x => {
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if (tags.indexOf(x) === -1) tags.push(x);
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});
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}
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});
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}
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tags.sort();
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if (this.props.onTagsChanged) this.props.onTagsChanged(tags);
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}
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taskEdited = (task) => {
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// Update
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const { tasks } = this.state;
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for (let i = 0; i < tasks.length; i++){
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if (tasks[i].id === task.id){
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tasks[i] = task;
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break;
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}
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}
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this.setState({tasks});
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// Tags might have changed
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setTimeout(() => this.notifyTagsChanged(), 0);
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}
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arrayContainsAll = (a, b) => {
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let miss = false;
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for (let i = 0; i < b.length; i++){
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if (a.indexOf(b[i]) === -1){
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miss = true;
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break;
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}
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}
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return !miss;
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}
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render() {
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let message = "";
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if (this.state.loading){
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message = (<span>{_("Loading...")} <i className="fa fa-circle-notch fa-spin fa-fw"></i></span>);
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}else if (this.state.error){
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message = (<span>{interpolate(_("Error: %(error)s"), {error: this.state.error})} <a href="javascript:void(0);" onClick={this.retry}>{_("Try again")}</a></span>);
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}else if (this.state.tasks.length === 0){
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message = (<span></span>);
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}
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return (
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<div className="task-list">
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{this.state.tasks.filter(t => {
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const name = t.name !== null ? t.name : interpolate(_("Task #%(number)s"), { number: t.id });
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return name.toLocaleLowerCase().indexOf(this.state.filterText.toLocaleLowerCase()) !== -1 &&
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this.arrayContainsAll(t.tags, this.state.filterTags);
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}).map(task => (
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<TaskListItem
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data={task}
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key={task.id}
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refreshInterval={3000}
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onDelete={this.deleteTask}
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onMove={this.moveTask}
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onDuplicate={this.refresh}
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onEdited={this.taskEdited}
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onTagClicked={this.props.onTagClicked}
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hasPermission={this.props.hasPermission}
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history={this.props.history} />
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))}
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{message}
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</div>
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);
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}
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}
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export default TaskList;
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