From e5bf1e930a5b6ba0b3300b02daf792d65d795202 Mon Sep 17 00:00:00 2001
From: Jason <jason.daurus@gmail.com>
Date: Tue, 14 Jun 2016 23:52:00 +0800
Subject: [web] FlowView and ContentView

---
 .../js/components/ContentView/ContentErrors.jsx    | 28 +++++++++
 .../js/components/ContentView/ContentLoader.jsx    | 67 +++++++++++++++++++++
 web/src/js/components/ContentView/ContentViews.jsx | 70 ++++++++++++++++++++++
 web/src/js/components/ContentView/ViewSelector.jsx | 28 +++++++++
 4 files changed, 193 insertions(+)
 create mode 100644 web/src/js/components/ContentView/ContentErrors.jsx
 create mode 100644 web/src/js/components/ContentView/ContentLoader.jsx
 create mode 100644 web/src/js/components/ContentView/ContentViews.jsx
 create mode 100644 web/src/js/components/ContentView/ViewSelector.jsx

(limited to 'web/src/js/components/ContentView')

diff --git a/web/src/js/components/ContentView/ContentErrors.jsx b/web/src/js/components/ContentView/ContentErrors.jsx
new file mode 100644
index 00000000..11594c7f
--- /dev/null
+++ b/web/src/js/components/ContentView/ContentErrors.jsx
@@ -0,0 +1,28 @@
+import React from 'react'
+import { ViewImage } from './ContentViews'
+import {formatSize} from '../../utils.js'
+
+export function ContentEmpty({ flow, message }) {
+    return (
+        <div className="alert alert-info">
+            No {flow.request === message ? 'request' : 'response'} content.
+        </div>
+    )
+}
+
+export function ContentMissing({ flow, message }) {
+    return (
+        <div className="alert alert-info">
+            {flow.request === message ? 'Request' : 'Response'} content missing.
+        </div>
+    )
+}
+
+export function ContentTooLarge({ message, onClick }) {
+    return (
+        <div className="alert alert-warning">
+            <button onClick={onClick} className="btn btn-xs btn-warning pull-right">Display anyway</button>
+            {formatSize(message.contentLength)} content size.
+        </div>
+    )
+}
diff --git a/web/src/js/components/ContentView/ContentLoader.jsx b/web/src/js/components/ContentView/ContentLoader.jsx
new file mode 100644
index 00000000..f346dc01
--- /dev/null
+++ b/web/src/js/components/ContentView/ContentLoader.jsx
@@ -0,0 +1,67 @@
+import React, { Component, PropTypes } from 'react'
+import { MessageUtils } from '../../flow/utils.js'
+
+export default class ContentLoader extends Component {
+
+    static propTypes = {
+        flow: PropTypes.object.isRequired,
+        message: PropTypes.object.isRequired,
+    }
+
+    constructor(props, context) {
+        super(props, context)
+        this.state = { content: null, request: null }
+    }
+
+    requestContent(nextProps) {
+        if (this.state.request) {
+            this.state.request.abort()
+        }
+
+        const request = MessageUtils.getContent(nextProps.flow, nextProps.message)
+
+        this.setState({ content: null, request })
+
+        request
+            .done(content => {
+                this.setState({ content })
+            })
+            .fail((xhr, textStatus, errorThrown) => {
+                if (textStatus === 'abort') {
+                    return
+                }
+                this.setState({ content: `AJAX Error: ${textStatus}\r\n${errorThrown}` })
+            })
+            .always(() => {
+                this.setState({ request: null })
+            })
+    }
+
+    componentWillMount() {
+        this.requestContent(this.props)
+    }
+
+    componentWillReceiveProps(nextProps) {
+        if (nextProps.message !== this.props.message) {
+            this.requestContent(nextProps)
+        }
+    }
+
+    componentWillUnmount() {
+        if (this.state.request) {
+            this.state.request.abort()
+        }
+    }
+
+    render() {
+        return this.state.content ? (
+            React.cloneElement(this.props.children, {
+                content: this.state.content
+            })
+        ) : (
+            <div className="text-center">
+                <i className="fa fa-spinner fa-spin"></i>
+            </div>
+        )
+    }
+}
diff --git a/web/src/js/components/ContentView/ContentViews.jsx b/web/src/js/components/ContentView/ContentViews.jsx
new file mode 100644
index 00000000..b0297dcc
--- /dev/null
+++ b/web/src/js/components/ContentView/ContentViews.jsx
@@ -0,0 +1,70 @@
+import React, { PropTypes } from 'react'
+import ContentLoader from './ContentLoader'
+import { MessageUtils } from '../../flow/utils.js'
+
+const views = [ViewAuto, ViewImage, ViewJSON, ViewRaw]
+
+ViewImage.regex = /^image\/(png|jpe?g|gif|vnc.microsoft.icon|x-icon)$/i
+ViewImage.matches = msg => ViewImage.regex.test(MessageUtils.getContentType(msg))
+
+ViewImage.propTypes = {
+    flow: PropTypes.object.isRequired,
+    message: PropTypes.object.isRequired,
+}
+
+export function ViewImage({ flow, message }) {
+    return (
+        <div className="flowview-image">
+            <img src={MessageUtils.getContentURL(flow, message)} alt="preview" className="img-thumbnail"/>
+        </div>
+    )
+}
+
+ViewRaw.textView = true
+ViewRaw.matches = () => true
+
+ViewRaw.propTypes = {
+    content: React.PropTypes.string.isRequired,
+}
+
+export function ViewRaw({ content }) {
+    return <pre>{content}</pre>
+}
+
+ViewJSON.textView = true
+ViewJSON.regex = /^application\/json$/i
+ViewJSON.matches = msg => ViewJSON.regex.test(MessageUtils.getContentType(msg))
+
+ViewJSON.propTypes = {
+    content: React.PropTypes.string.isRequired,
+}
+
+export function ViewJSON({ content }) {
+    let json = content
+    try {
+        json = JSON.stringify(JSON.parse(content), null, 2);
+    } catch (e) {
+        // @noop
+    }
+    return <pre>{json}</pre>
+}
+
+
+ViewAuto.matches = () => false
+ViewAuto.findView = msg => views.find(v => v.matches(msg)) || views[views.length - 1]
+
+ViewAuto.propTypes = {
+    message: React.PropTypes.object.isRequired,
+    flow: React.PropTypes.object.isRequired,
+}
+
+export function ViewAuto({ message, flow }) {
+    const View = ViewAuto.findView(message)
+    if (View.textView) {
+        return <ContentLoader message={message} flow={flow}><View content="" /></ContentLoader>
+    } else {
+        return <View message={message} flow={flow} />
+    }
+}
+
+export default views
diff --git a/web/src/js/components/ContentView/ViewSelector.jsx b/web/src/js/components/ContentView/ViewSelector.jsx
new file mode 100644
index 00000000..df3a5b83
--- /dev/null
+++ b/web/src/js/components/ContentView/ViewSelector.jsx
@@ -0,0 +1,28 @@
+import React, { PropTypes } from 'react'
+import classnames from 'classnames'
+import views, { ViewAuto } from './ContentViews'
+
+ViewSelector.propTypes = {
+    active: PropTypes.func.isRequired,
+    message: PropTypes.object.isRequired,
+    onSelectView: PropTypes.func.isRequired,
+}
+
+export default function ViewSelector({ active, message, onSelectView }) {
+    return (
+        <div className="view-selector btn-group btn-group-xs">
+            {views.map(View => (
+                <button
+                    key={View.name}
+                    onClick={() => onSelectView(View)}
+                    className={classnames('btn btn-default', { active: View === active })}>
+                    {View === ViewAuto ? (
+                        `auto: ${ViewAuto.findView(message).name.toLowerCase().replace('view', '')}`
+                    ) : (
+                        View.name.toLowerCase().replace('view', '')
+                    )}
+                </button>
+            ))}
+        </div>
+    )
+}
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