PLT-1236 Added special handling for markdown links within mattermost (#2763)

* Added special handling for markdown links within mattermost

* Moved application of .app__body class to route components

webapp/components/channel_view.jsx

@@ -1,6 +1,7 @@
 // Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
+import $ from 'jquery';
 import React from 'react';
 
 import ChannelHeader from 'components/channel_header.jsx';
@@ -35,9 +36,13 @@ export default class ChannelView extends React.Component {
     }
     componentDidMount() {
         ChannelStore.addChangeListener(this.updateState);
+
+        $('body').addClass('app__body');
     }
     componentWillUnmount() {
         ChannelStore.removeChangeListener(this.updateState);
+
+        $('body').removeClass('app__body');
     }
     componentWillReceiveProps(nextProps) {
         this.setState(this.getStateFromStores(nextProps));

webapp/components/permalink_view.jsx

@@ -1,6 +1,7 @@
 // Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
+import $ from 'jquery';
 import React from 'react';
 
 import ChannelHeader from 'components/channel_header.jsx';
@@ -45,10 +46,14 @@ export default class PermalinkView extends React.Component {
     componentDidMount() {
         ChannelStore.addChangeListener(this.updateState);
         TeamStore.addChangeListener(this.updateState);
+
+        $('body').addClass('app__body');
     }
     componentWillUnmount() {
         ChannelStore.removeChangeListener(this.updateState);
         TeamStore.removeChangeListener(this.updateState);
+
+        $('body').removeClass('app__body');
     }
     componentWillReceiveProps(nextProps) {
         this.setState(this.getStateFromStores(nextProps));

webapp/components/posts_view.jsx

@@ -379,13 +379,11 @@ export default class PostsView extends React.Component {
         }
         window.addEventListener('resize', this.handleResize);
         PreferenceStore.addChangeListener(this.updateState);
-        $('body').addClass('app__body');
     }
     componentWillUnmount() {
         window.removeEventListener('resize', this.handleResize);
         this.scrollStopAction.cancel();
         PreferenceStore.removeChangeListener(this.updateState);
-        $('body').removeClass('app__body');
     }
     componentDidUpdate() {
         if (this.props.postList != null) {

webapp/components/tutorial/tutorial_intro_screens.jsx

@@ -1,7 +1,6 @@
 // Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-import $ from 'jquery';
 import UserStore from 'stores/user_store.jsx';
 import TeamStore from 'stores/team_store.jsx';
 import PreferenceStore from 'stores/preference_store.jsx';
@@ -35,12 +34,6 @@ export default class TutorialIntroScreens extends React.Component {
 
         this.state = {currentScreen: 0};
     }
-    componentDidMount() {
-        $('body').addClass('app__body');
-    }
-    componentWillUnmount() {
-        $('body').removeClass('app__body');
-    }
     handleNext() {
         if (this.state.currentScreen < 2) {
             this.setState({currentScreen: this.state.currentScreen + 1});

webapp/components/tutorial/tutorial_view.jsx

@@ -6,6 +6,7 @@ import TutorialIntroScreens from './tutorial_intro_screens.jsx';
 import ChannelStore from 'stores/channel_store.jsx';
 import Constants from 'utils/constants.jsx';
 
+import $ from 'jquery';
 import React from 'react';
 
 export default class TutorialView extends React.Component {
@@ -20,9 +21,13 @@ export default class TutorialView extends React.Component {
     }
     componentDidMount() {
         ChannelStore.addChangeListener(this.handleChannelChange);
+
+        $('body').addClass('app__body');
     }
     componentWillUnmount() {
         ChannelStore.removeChangeListener(this.handleChannelChange);
+
+        $('body').removeClass('app__body');
     }
     handleChannelChange() {
         this.setState({

webapp/utils/markdown.jsx

@@ -2,7 +2,6 @@
 // See License.txt for license information.
 
 import * as TextFormatting from './text_formatting.jsx';
-import * as Utils from './utils.jsx';
 import * as syntaxHightlighting from './syntax_hightlighting.jsx';
 
 import marked from 'marked';
@@ -137,18 +136,20 @@ class MattermostMarkdownRenderer extends marked.Renderer {
             outHref = `http://${outHref}`;
         }
 
-        let output = '<a class="theme markdown__link" href="' + outHref + '"';
+        let output = '<a class="theme markdown__link" ';
+
+        // special case for links that are inside the app
+        if (outHref.startsWith(global.location.origin)) {
+            output += 'data-link="' + outHref.substring(global.location.origin.length) + '"';
+        } else {
+            output += 'href="' + outHref + '"';
+        }
+
         if (title) {
             output += ' title="' + title + '"';
         }
 
-        if (outHref.lastIndexOf(Utils.getTeamURLFromAddressBar(), 0) === 0) {
-            output += '>';
-        } else {
-            output += ' target="_blank">';
-        }
-
-        output += outText + '</a>';
+        output += '>' + outText + '</a>';
 
         return prefix + output + suffix;
     }

webapp/utils/text_formatting.jsx

@@ -2,6 +2,7 @@
 // See License.txt for license information.
 
 import Autolinker from 'autolinker';
+import {browserHistory} from 'react-router';
 import Constants from './constants.jsx';
 import * as Emoticons from './emoticons.jsx';
 import * as Markdown from './markdown.jsx';
@@ -398,10 +399,13 @@ function replaceNewlines(text) {
 export function handleClick(e) {
     const mentionAttribute = e.target.getAttributeNode('data-mention');
     const hashtagAttribute = e.target.getAttributeNode('data-hashtag');
+    const linkAttribute = e.target.getAttributeNode('data-link');
 
     if (mentionAttribute) {
         Utils.searchForTerm(mentionAttribute.value);
     } else if (hashtagAttribute) {
         Utils.searchForTerm(hashtagAttribute.value);
+    } else if (linkAttribute) {
+        browserHistory.push(linkAttribute.value);
     }
 }