diff options
Diffstat (limited to 'frontend/app/views/graph/components')
| -rw-r--r-- | frontend/app/views/graph/components/graph.canvas.js | 138 | ||||
| -rw-r--r-- | frontend/app/views/graph/components/graph.editor.js | 212 | ||||
| -rw-r--r-- | frontend/app/views/graph/components/graph.header.js | 31 | ||||
| -rw-r--r-- | frontend/app/views/graph/components/page.edit.js | 65 | ||||
| -rw-r--r-- | frontend/app/views/graph/components/page.form.js | 185 | ||||
| -rw-r--r-- | frontend/app/views/graph/components/page.handle.js | 59 | ||||
| -rw-r--r-- | frontend/app/views/graph/components/page.new.js | 47 |
7 files changed, 737 insertions, 0 deletions
diff --git a/frontend/app/views/graph/components/graph.canvas.js b/frontend/app/views/graph/components/graph.canvas.js new file mode 100644 index 0000000..2896c6b --- /dev/null +++ b/frontend/app/views/graph/components/graph.canvas.js @@ -0,0 +1,138 @@ +import React, { Component } from 'react' + +import { mod, angle } from 'app/utils' + +const DEFAULT_MEASUREMENT = { width: 16, height: 16 } +const BACKLINK_SPACING = 10 +const ARROWHEAD_LENGTH = 10 +const GRAPH_LINK_COLOR = "#ff88ff" +const GRAPH_BACKLINK_COLOR = "#88ffff" +const GRAPH_UNHOVER_LINK_COLOR = "#884488" +const GRAPH_UNHOVER_BACKLINK_COLOR = "#448888" + +export default class GraphCanvas extends Component { + constructor(props) { + super(props) + this.canvasRef = React.createRef() + } + + componentDidMount() { + if (this.props.bounds) { + this.draw({}) + } + } + + componentDidUpdate(prevProps) { + this.draw(prevProps) + } + + draw(prevProps) { + const { current: canvas } = this.canvasRef + const { bounds, pages, currentPage, box, measurements, highlightedPageId } = this.props + const { width, height } = bounds + if (prevProps.bounds !== bounds) { + canvas.width = width + canvas.height = height + } + const ctx = canvas.getContext('2d') + ctx.clearRect(0, 0, width, height) + ctx.lineWidth = 2 + const coordsLookup = pages.reduce((a,b) => { + if (currentPage && box && b.id === currentPage.id) { + a[b.id] = { + x: box.x, + y: box.y, + backlinks: new Set([]), + } + } else { + a[b.id] = { + x: b.settings.x, + y: b.settings.y, + backlinks: new Set([]), + } + } + return a + }, {}) + pages.map(page => { + const sourceCoord = coordsLookup[page.id] + page.backlinks.map(tile => { + if (tile.target_page_id <= 0) return + const targetCoord = coordsLookup[tile.page_id] + const isHighlightedPage = !highlightedPageId || highlightedPageId === page.id || highlightedPageId === tile.page_id + let tile_measurement = measurements[tile.page_id] || DEFAULT_MEASUREMENT + let target_measurement = measurements[tile.target_page_id] || DEFAULT_MEASUREMENT + let theta = angle(targetCoord.x, targetCoord.y, sourceCoord.x, sourceCoord.y) + let x1_offset = tile_measurement.width / 2 // * (0.5 - Math.cos(theta)) + let y1_offset = tile_measurement.height / 2 + let x2_offset = target_measurement.width / 2 // (0.5 - Math.cos(theta)) + let y2_offset = target_measurement.height / 2 + // skip duplicate links + if (sourceCoord.backlinks.has(tile.page_id)) { + return + } + /* + if it's pointing right, cos(t) is 1 + if it's pointing left, cos(t) is -1 + */ + // if (Math.abs(Math.cos(theta)) > 0.5) { + // x1_offset += target_measurement.width / 3 * (- Math.cos(theta)) + // x1_offset += target_measurement.height / 4 * (- Math.sin(theta)) + x2_offset += target_measurement.width / 3 * (- Math.cos(theta)) + y2_offset += target_measurement.height / 6 * (- Math.sin(theta)) + // } + // if this is the first time encountering this link... + if (!targetCoord.backlinks.has(tile.target_page_id)) { + sourceCoord.backlinks.add(tile.page_id) + ctx.strokeStyle = isHighlightedPage + ? GRAPH_LINK_COLOR + : GRAPH_UNHOVER_LINK_COLOR + } else { // otherwise this is a two-way link + x1_offset += BACKLINK_SPACING * Math.sin(theta) + y1_offset += BACKLINK_SPACING * Math.cos(theta) + x2_offset += BACKLINK_SPACING * Math.sin(theta) + y2_offset += BACKLINK_SPACING * Math.cos(theta) + // x1_offset += BACKLINK_SPACING * Math.cos(theta + Math.PI /2) + // y1_offset += BACKLINK_SPACING * Math.sin(theta + Math.PI /2) + // x2_offset += BACKLINK_SPACING * Math.cos(theta + Math.PI /2) + // y2_offset += BACKLINK_SPACING * Math.sin(theta + Math.PI /2) + ctx.strokeStyle = isHighlightedPage + ? GRAPH_BACKLINK_COLOR + : GRAPH_UNHOVER_BACKLINK_COLOR + } + ctx.beginPath() + const x1 = targetCoord.x * width + x1_offset + const y1 = targetCoord.y * height + y1_offset + const x2 = sourceCoord.x * width + x2_offset + const y2 = sourceCoord.y * height + y2_offset + this.arrow(ctx, x1, y1, x2, y2) + ctx.stroke() + }) + }) + } + + arrow(ctx, x1, y1, x2, y2) { + const farOffset = 20 + const endOffset = 1 + const theta = angle(x1, y1, x2, y2) + x1 += Math.cos(theta) * 0 + x2 -= Math.cos(theta) * farOffset + y1 += Math.sin(theta) * 0 + y2 -= Math.sin(theta) * farOffset + const xEnd = x2 - Math.cos(theta) * endOffset + const yEnd = y2 - Math.sin(theta) * endOffset + const leftAngle = mod(theta - Math.PI / 6, Math.PI * 2) + const rightAngle = mod(theta + Math.PI / 6, Math.PI * 2) + ctx.moveTo(x1, y1) + ctx.lineTo(xEnd, yEnd) + ctx.moveTo(x2, y2) + ctx.lineTo(x2 - ARROWHEAD_LENGTH * Math.cos(leftAngle), y2 - ARROWHEAD_LENGTH * Math.sin(leftAngle)) + ctx.moveTo(x2, y2) + ctx.lineTo(x2 - ARROWHEAD_LENGTH * Math.cos(rightAngle), y2 - ARROWHEAD_LENGTH * Math.sin(rightAngle)) + } + + render() { + return ( + <canvas ref={this.canvasRef} /> + ) + } +} diff --git a/frontend/app/views/graph/components/graph.editor.js b/frontend/app/views/graph/components/graph.editor.js new file mode 100644 index 0000000..61f26b7 --- /dev/null +++ b/frontend/app/views/graph/components/graph.editor.js @@ -0,0 +1,212 @@ +import React, { Component } from 'react' +import { Route, Link } from 'react-router-dom' +import { bindActionCreators } from 'redux' +import { connect } from 'react-redux' + +import { session } from 'app/session' +import actions from 'app/actions' +import * as graphActions from '../graph.actions' + +import { Loader } from 'app/common' +import { clamp, dist, mod, angle } from 'app/utils' + +import GraphCanvas from './graph.canvas' +import PageHandle from './page.handle' + +const defaultState = { + dragging: false, + bounds: null, + mouseX: 0, + mouseY: 0, + box: { + x: 0, y: 0, + w: 0, h: 0, + }, + page: null, + highlightedPageId: null, + measurements: {}, +} + +class GraphEditor extends Component { + state = { + ...defaultState, + } + + constructor() { + super() + // bind these events in the constructor, so we can remove event listeners later + this.handleMouseDown = this.handleMouseDown.bind(this) + this.handleMouseMove = this.handleMouseMove.bind(this) + this.handleMouseUp = this.handleMouseUp.bind(this) + this.handleWindowResize = this.handleWindowResize.bind(this) + this.handleMouseEnter = this.handleMouseEnter.bind(this) + this.handleMouseLeave = this.handleMouseLeave.bind(this) + this.graphRef = React.createRef() + this.measurements = {} + } + + getBoundingClientRect() { + if (!this.graphRef.current) return null + const rect = this.graphRef.current.getBoundingClientRect() + const scrollTop = document.body.scrollTop || document.body.parentNode.scrollTop + const scrollLeft = document.body.scrollLeft || document.body.parentNode.scrollLeft + const bounds = { + top: rect.top + scrollTop, + left: rect.left + scrollLeft, + width: rect.width, + height: rect.height, + } + // console.log(bounds) + return bounds + } + + componentDidMount() { + document.body.addEventListener('mousemove', this.handleMouseMove) + document.body.addEventListener('mouseup', this.handleMouseUp) + window.addEventListener('resize', this.handleWindowResize) + this.setState({ bounds: this.getBoundingClientRect() }) + } + + componentDidUpdate(prevProps) { + if (!this.state.bounds) { + this.setState({ bounds: this.getBoundingClientRect() }) + } + } + + addMeasurement({ id, width, height }) { + this.measurements[id] = { width, height } + this.setState({ + measurements: { ...this.measurements }, + }) + } + + handleWindowResize() { + this.setState({ bounds: this.getBoundingClientRect() }) + } + + handleMouseDown(e, page) { + if (e.shiftKey) { + e.preventDefault() + this.props.graphActions.setHomePageId(this.props.graph.show.res, page) + return + } + const bounds = this.getBoundingClientRect() + const mouseX = e.pageX + const mouseY = e.pageY + let w = 128 / bounds.width + let h = 16 / bounds.height + let { x, y } = page.settings + x = clamp(x, 0, 1) + y = clamp(y, 0, 1) + this.setState({ + page, + dragging: true, + bounds, + mouseX, + mouseY, + box: { + x, y, + w, h, + }, + initialBox: { + x, y, + w, h, + } + }) + } + + handleMouseMove(e) { + const { + dragging, + bounds, mouseX, mouseY, initialBox, box + } = this.state + if (dragging) { + e.preventDefault() + let { x, y, w, h } = initialBox + let dx = (e.pageX - mouseX) / bounds.width + let dy = (e.pageY - mouseY) / bounds.height + this.setState({ + box: { + x: clamp(x + dx, 0, 1.0 - w), + y: clamp(y + dy, 0, 1.0 - h), + w, h, + } + }) + } + } + + handleMouseUp(e) { + // const { actions } = this.props + const { dragging, bounds, initialBox, box, page } = this.state + if (!dragging) return + e.preventDefault() + const { width, height } = bounds + const { x, y, w, h } = box + let url = window.location.pathname + this.setState({ + page: null, + box: null, + initialBox: null, + dragging: false, + }) + if (dist(width * x, height * y, width * initialBox.x, height * initialBox.y) < 3) return + const updatedPage = { + ...page, + settings: { + ...page.settings, + x, y, + } + } + this.props.graphActions.updateGraphPage(updatedPage) + actions.page.update(updatedPage) + } + + handleMouseEnter(e, page) { + this.setState({ highlightedPageId: page.id }) + } + handleMouseLeave(e, page) { + this.setState({ highlightedPageId: null }) + } + + render(){ + // console.log(this.props.graph.show.res) + const { page: currentPage, box, measurements, highlightedPageId } = this.state + const { res: graph } = this.props.graph.show + // console.log(res.pages) + return ( + <div className='graph' ref={this.graphRef}> + <GraphCanvas + bounds={this.state.bounds} + pages={graph.pages} + currentPage={currentPage} + highlightedPageId={highlightedPageId} + measurements={measurements} + box={box} + /> + {this.state.bounds && graph.pages.map(page => ( + <PageHandle + key={page.id} + graph={graph} + page={page} + bounds={this.state.bounds} + box={currentPage && page.id === currentPage.id && box} + onMouseDown={e => this.handleMouseDown(e, page)} + onMouseEnter={e => this.handleMouseEnter(e, page)} + onMouseLeave={e => this.handleMouseLeave(e, page)} + onMeasure={measurement => this.addMeasurement(measurement)} + /> + ))} + </div> + ) + } +} + +const mapStateToProps = state => ({ + graph: state.graph, +}) + +const mapDispatchToProps = dispatch => ({ + graphActions: bindActionCreators({ ...graphActions }, dispatch), +}) + +export default connect(mapStateToProps, mapDispatchToProps)(GraphEditor) diff --git a/frontend/app/views/graph/components/graph.header.js b/frontend/app/views/graph/components/graph.header.js new file mode 100644 index 0000000..46ad962 --- /dev/null +++ b/frontend/app/views/graph/components/graph.header.js @@ -0,0 +1,31 @@ +import React from 'react' +import { bindActionCreators } from 'redux' +import { connect } from 'react-redux' +import { Link } from 'react-router-dom' + +import * as graphActions from '../graph.actions' + +function GraphHeader(props) { + return ( + <header> + <div> + <Link to="/" className="logo"><b>{props.site.siteTitle}</b></Link> + </div> + <div> + <button onClick={() => props.graphActions.toggleAddPageForm()}>+ Add page</button> + </div> + </header> + ) +} + +const mapStateToProps = (state) => ({ + // auth: state.auth, + site: state.site, + // isAuthenticated: state.auth.isAuthenticated, +}) + +const mapDispatchToProps = (dispatch) => ({ + graphActions: bindActionCreators({ ...graphActions }, dispatch), +}) + +export default connect(mapStateToProps, mapDispatchToProps)(GraphHeader) diff --git a/frontend/app/views/graph/components/page.edit.js b/frontend/app/views/graph/components/page.edit.js new file mode 100644 index 0000000..4025726 --- /dev/null +++ b/frontend/app/views/graph/components/page.edit.js @@ -0,0 +1,65 @@ +import React, { Component } from 'react' +import { Link } from 'react-router-dom' +import { connect } from 'react-redux' +import { bindActionCreators } from 'redux' + +import { history } from 'app/store' +import actions from 'app/actions' +import * as siteActions from 'app/views/site/site.actions' +import * as graphActions from 'app/views/graph/graph.actions' + +import { Loader } from 'app/common' + +import PageForm from '../components/page.form' + +class PageEdit extends Component { + componentDidMount() { + // actions.page.show(this.props.match.params.id) + } + + handleSubmit(data) { + const { path: graphPath } = this.props.graph.show.res + const { path: oldPagePath } = this.props.page.show.res + const { path: newPagePath } = data + actions.page.update(data) + .then(response => { + // console.log(response) + actions.site.setSiteTitle(response.res.title) + this.props.graphActions.hideEditPageForm() + if (oldPagePath !== newPagePath) { + const newPath = '/' + graphPath + '/' + newPagePath + history.push(newPath) + } + }) + } + + render() { + const { show } = this.props.page + if (show.loading || !show.res) { + return ( + <div className='form'> + <Loader /> + </div> + ) + } + return ( + <PageForm + data={show.res} + graph={this.props.graph.show.res} + onSubmit={this.handleSubmit.bind(this)} + /> + ) + } +} + +const mapStateToProps = state => ({ + graph: state.graph, + page: state.page, +}) + +const mapDispatchToProps = dispatch => ({ + siteActions: bindActionCreators({ ...siteActions }, dispatch), + graphActions: bindActionCreators({ ...graphActions }, dispatch), +}) + +export default connect(mapStateToProps, mapDispatchToProps)(PageEdit) diff --git a/frontend/app/views/graph/components/page.form.js b/frontend/app/views/graph/components/page.form.js new file mode 100644 index 0000000..8fc00b0 --- /dev/null +++ b/frontend/app/views/graph/components/page.form.js @@ -0,0 +1,185 @@ +import React, { Component } from 'react' +import { Link } from 'react-router-dom' + +import { session } from 'app/session' + +import { TextInput, ColorInput, LabelDescription, TextArea, Checkbox, SubmitButton, Loader } from 'app/common' + +const newPage = (data) => ({ + path: '', + title: '', + username: session('username'), + description: '', + settings: { + x: 0.05, + y: 0.05, + background_color: '#000000', + }, + ...data, +}) + +export default class PageForm extends Component { + state = { + title: "", + submitTitle: "", + data: { ...newPage() }, + errorFields: new Set([]), + } + + componentDidMount() { + const { graph, data, isNew } = this.props + const title = isNew ? 'new page' : 'editing ' + data.title + const submitTitle = isNew ? "Create Page" : "Save Changes" + this.setState({ + title, + submitTitle, + errorFields: new Set([]), + data: { + ...newPage({ graph_id: graph.id }), + ...data, + }, + }) + } + + handleChange(e) { + const { errorFields } = this.state + const { name, value } = e.target + if (errorFields.has(name)) { + errorFields.delete(name) + } + let sanitizedValue = value + if (name === 'path') { + sanitizedValue = sanitizedValue.toLowerCase().replace(/ /, '-').replace(/[!@#$%^&*()[\]{}]/, '-').replace(/-+/, '-') + } + this.setState({ + errorFields, + data: { + ...this.state.data, + [name]: sanitizedValue, + } + }) + } + + handleSelect(name, value) { + const { errorFields } = this.state + if (errorFields.has(name)) { + errorFields.delete(name) + } + this.setState({ + errorFields, + data: { + ...this.state.data, + [name]: value, + } + }) + } + + handleSettingsChange(e) { + const { name, value } = e.target + this.setState({ + data: { + ...this.state.data, + settings: { + ...this.state.data.settings, + [name]: value, + } + } + }) + } + + handleSubmit(e) { + e.preventDefault() + const { isNew, onSubmit } = this.props + const { data } = this.state + const requiredKeys = "path title".split(" ") + const validKeys = "graph_id path title username description settings".split(" ") + const validData = validKeys.reduce((a,b) => { a[b] = data[b]; return a }, {}) + const errorFields = requiredKeys.filter(key => !validData[key]) + if (errorFields.length) { + console.log('error', errorFields, validData) + this.setState({ errorFields: new Set(errorFields) }) + } else { + if (isNew) { + // side effect: set username if we're creating a new page + // session.set('username', data.username) + } else { + validData.id = data.id + } + console.log('submit', validData) + onSubmit(validData) + } + } + + handleDelete() { + const { data } = this.state + console.log(data) + if (confirm('Really delete this page?')) { + actions.page.delete(page_id) + } + } + + render() { + const { graph, isNew } = this.props + const { title, submitTitle, errorFields, data } = this.state + return ( + <div className='box'> + <h1>{title}</h1> + <form onSubmit={this.handleSubmit.bind(this)}> + <TextInput + title="Path" + name="path" + required + data={data} + error={errorFields.has('path')} + onChange={this.handleChange.bind(this)} + autoComplete="off" + /> + <LabelDescription> + {'Page URL: /' + graph.path + '/'}<b>{data.path}</b> + </LabelDescription> + <TextInput + title="Title" + name="title" + required + data={data} + error={errorFields.has('title')} + onChange={this.handleChange.bind(this)} + autoComplete="off" + /> + <ColorInput + title='BG' + name='background_color' + data={data.settings} + onChange={this.handleSettingsChange.bind(this)} + autoComplete="off" + /> + <TextArea + title="Description" + name="description" + data={data} + onChange={this.handleChange.bind(this)} + /> + <div className='row buttons'> + <SubmitButton + title={submitTitle} + onClick={this.handleSubmit.bind(this)} + /> + {!isNew && + <SubmitButton + title={'Delete'} + className='destroy' + onClick={this.handleDelete.bind(this)} + /> + } + </div> + {!!errorFields.size && + <label> + <span></span> + <span>Please complete the required fields =)</span> + </label> + } + </form> + </div> + ) + } +} diff --git a/frontend/app/views/graph/components/page.handle.js b/frontend/app/views/graph/components/page.handle.js new file mode 100644 index 0000000..c024f1e --- /dev/null +++ b/frontend/app/views/graph/components/page.handle.js @@ -0,0 +1,59 @@ +import React, { Component } from 'react' +import { Link } from 'react-router-dom' + +import { history } from 'app/store' + +export default class PageHandle extends Component { + constructor(props){ + super(props) + this.ref = React.createRef() + } + componentDidMount(){ + this.measure() + } + componentDidUpdate(prevProps){ + if (this.props.page.title !== prevProps.page.title) { + this.measure() + } + } + measure() { + const { offsetWidth: width, offsetHeight: height } = this.ref.current + const { id } = this.props.page + // console.log(id, width, height) + this.props.onMeasure({ id, width, height }) + } + render() { + const { graph, page, bounds, box, onMouseDown, onMouseEnter, onMouseLeave } = this.props + let style; + if (box) { + style = { + top: (bounds.height) * box.y, + left: (bounds.width) * box.x, + } + } else { + style = { + top: (bounds.height) * Math.min(page.settings.y, 0.95), + left: (bounds.width) * Math.min(page.settings.x, 0.95), + } + } + const className = (graph.home_page_id === page.id) + ? 'handle homepage' + : 'handle' + const url = '/' + graph.path + '/' + page.path + // console.log(style) + return ( + <div + className={className} + ref={this.ref} + onMouseDown={onMouseDown} + onMouseEnter={onMouseEnter} + onMouseLeave={onMouseLeave} + onDoubleClick={() => history.push(url)} + style={style} + > + {page.path} + <Link to={url}>{'>'}</Link> + </div> + ) + } +} diff --git a/frontend/app/views/graph/components/page.new.js b/frontend/app/views/graph/components/page.new.js new file mode 100644 index 0000000..e7c3609 --- /dev/null +++ b/frontend/app/views/graph/components/page.new.js @@ -0,0 +1,47 @@ +import React, { Component } from 'react' +import { Link } from 'react-router-dom' +import { connect } from 'react-redux' + +import { history } from 'app/store' +import actions from 'app/actions' + +import PageForm from '../components/page.form' + +class PageNew extends Component { + handleSubmit(data) { + console.log(data) + actions.page.create(data) + .then(res => { + console.log(res) + const graph = this.props.graph.show.res + if (res.res && res.res.id) { + history.push('/' + graph.path + '/' + res.res.path) + } + }) + .catch(err => { + console.error('error', err) + }) + } + + render() { + return ( + <PageForm + isNew + graph={this.props.graph.show.res} + data={{}} + onSubmit={this.handleSubmit.bind(this)} + /> + ) + } +} + +const mapStateToProps = state => ({ + graph: state.graph, + page: state.page, +}) + +const mapDispatchToProps = dispatch => ({ + // searchActions: bindActionCreators({ ...searchActions }, dispatch), +}) + +export default connect(mapStateToProps, mapDispatchToProps)(PageNew) |
