Merge pull request #5 from rgarmsen2295/mm-316

MM-316 Allows users to drag and drop files from their computer to the center pane or RHS to upload them

12 files changed, 293 insertions, 17 deletions

diff --git a/web/react/components/create_comment.jsx b/web/react/components/create_comment.jsx
index 78e06c532..c954229ae 100644
--- a/web/react/components/create_comment.jsx
+++ b/web/react/components/create_comment.jsx
@@ -222,7 +222,9 @@ module.exports = React.createClass({
                             getFileCount={this.getFileCount}
                             onUploadStart={this.handleUploadStart}
                             onFileUpload={this.handleFileUploadComplete}
-                            onUploadError={this.handleUploadError} />
+                            onUploadError={this.handleUploadError}
+                            postType='comment'
+                            channelId={this.props.channelId} />
                     </div>
                     <MsgTyping channelId={this.props.channelId} parentId={this.props.rootId}  />
                     <div className={postFooterClassName}>
diff --git a/web/react/components/create_post.jsx b/web/react/components/create_post.jsx
index 9ca1d5388..137420440 100644
--- a/web/react/components/create_post.jsx
+++ b/web/react/components/create_post.jsx
@@ -262,7 +262,9 @@ module.exports = React.createClass({
                             getFileCount={this.getFileCount}
                             onUploadStart={this.handleUploadStart}
                             onFileUpload={this.handleFileUploadComplete}
-                            onUploadError={this.handleUploadError} />
+                            onUploadError={this.handleUploadError}
+                            postType='post'
+                            channelId='' />
                     </div>
                     <div className={postFooterClassName}>
                         {postError}
diff --git a/web/react/components/file_upload.jsx b/web/react/components/file_upload.jsx
index c1fab669c..f1a06c361 100644
--- a/web/react/components/file_upload.jsx
+++ b/web/react/components/file_upload.jsx
@@ -21,7 +21,7 @@ module.exports = React.createClass({
         var element = $(this.refs.fileInput.getDOMNode());
         var files = element.prop('files');
 
-        var channelId = ChannelStore.getCurrentId();
+        var channelId = this.props.channelId || ChannelStore.getCurrentId();
 
         this.props.onUploadError(null);
 
@@ -87,10 +87,101 @@ module.exports = React.createClass({
             }
         } catch(e) {}
     },
+    handleDrop: function(e) {
+        this.props.onUploadError(null);
+
+        var files = e.originalEvent.dataTransfer.files;
+        if (!files.length) {
+            files = e.originalEvent.dataTransfer.getData('URL');
+        }
+        var channelId = this.props.channelId || ChannelStore.getCurrentId();
+
+        if (typeof files !== 'string' && files.length) {
+            var numFiles = files.length;
+
+            var numToUpload = Math.min(Constants.MAX_UPLOAD_FILES - this.props.getFileCount(channelId), numFiles);
+
+            if (numFiles > numToUpload) {
+                this.props.onUploadError('Uploads limited to ' + Constants.MAX_UPLOAD_FILES + ' files maximum. Please use additional posts for more files.');
+            }
+
+            for (var i = 0; i < files.length && i < numToUpload; i++) {
+                if (files[i].size > Constants.MAX_FILE_SIZE) {
+                    this.props.onUploadError('Files must be no more than ' + Constants.MAX_FILE_SIZE / 1000000 + ' MB');
+                    continue;
+                }
+
+                // generate a unique id that can be used by other components to refer back to this file upload
+                var clientId = utils.generateId();
+
+                // Prepare data to be uploaded.
+                var formData = new FormData();
+                formData.append('channel_id', channelId);
+                formData.append('files', files[i], files[i].name);
+                formData.append('client_ids', clientId);
+
+                var request = client.uploadFile(formData,
+                    function(data) {
+                        var parsedData = $.parseJSON(data);
+                        this.props.onFileUpload(parsedData['filenames'], parsedData['client_ids'], channelId);
+
+                        var requests = this.state.requests;
+                        for (var i = 0; i < parsedData['client_ids'].length; i++) {
+                            delete requests[parsedData['client_ids'][i]];
+                        }
+                        this.setState({requests: requests});
+                    }.bind(this),
+                    function(err) {
+                        this.props.onUploadError(err, clientId);
+                    }.bind(this)
+                );
+
+                var requests = this.state.requests;
+                requests[clientId] = request;
+                this.setState({requests: requests});
+
+                this.props.onUploadStart([clientId], channelId);
+            }
+        }
+    },
     componentDidMount: function() {
         var inputDiv = this.refs.input.getDOMNode();
         var self = this;
 
+        if (this.props.postType === 'post') {
+            $('.app__content').dragster({
+                enter: function(dragsterEvent, e) {
+                    $('.center-file-overlay').removeClass('invisible');
+                    $('.center-file-overlay').addClass('visible');
+                },
+                leave: function(dragsterEvent, e) {
+                    $('.center-file-overlay').removeClass('visible');
+                    $('.center-file-overlay').addClass('invisible');
+                },
+                drop: function(dragsterEvent, e) {
+                    $('.center-file-overlay').removeClass('visible');
+                    $('.center-file-overlay').addClass('invisible');
+                    self.handleDrop(e);
+                }
+            });
+        } else if (this.props.postType === 'comment') {
+            $('.post-right__container').dragster({
+                enter: function(dragsterEvent, e) {
+                    $('.right-file-overlay').removeClass('invisible');
+                    $('.right-file-overlay').addClass('visible');
+                },
+                leave: function(dragsterEvent, e) {
+                    $('.right-file-overlay').removeClass('visible');
+                    $('.right-file-overlay').addClass('invisible');
+                },
+                drop: function(dragsterEvent, e) {
+                    $('.right-file-overlay').removeClass('visible');
+                    $('.right-file-overlay').addClass('invisible');
+                    self.handleDrop(e);
+                }
+            });
+        }
+
         document.addEventListener('paste', function(e) {
             var textarea = $(inputDiv.parentNode.parentNode).find('.custom-textarea')[0];
 
@@ -133,14 +224,13 @@ module.exports = React.createClass({
                             continue;
                         }
 
-                        var channelId = ChannelStore.getCurrentId();
+                        var channelId = this.props.channelId || ChannelStore.getCurrentId();
 
                         // generate a unique id that can be used by other components to refer back to this file upload
                         var clientId = utils.generateId();
 
                         var formData = new FormData();
                         formData.append('channel_id', channelId);
-
                         var d = new Date();
                         var hour;
                         if (d.getHours() < 10) {
diff --git a/web/react/components/post_list.jsx b/web/react/components/post_list.jsx
index 83f806b79..756ed521d 100644
--- a/web/react/components/post_list.jsx
+++ b/web/react/components/post_list.jsx
@@ -463,11 +463,17 @@ module.exports = React.createClass({
         }
 
         return (
-            <div ref="postlist" className="post-list-holder-by-time">
-                <div className="post-list__table">
-                    <div className="post-list__content">
-                        { more_messages }
-                        { postCtls }
+            <div>
+                <div className='center-file-overlay invisible'>
+                    <span className='center-file-help-text'>Drop a file to upload it.</span>
+                    <img className='center-file-help-picture' />
+                </div>
+                <div ref="postlist" className="post-list-holder-by-time">
+                    <div className="post-list__table">
+                        <div className="post-list__content">
+                            { more_messages }
+                            { postCtls }
+                        </div>
                     </div>
                 </div>
             </div>
diff --git a/web/react/components/post_right.jsx b/web/react/components/post_right.jsx
index ad8b54012..49c12ad9c 100644
--- a/web/react/components/post_right.jsx
+++ b/web/react/components/post_right.jsx
@@ -296,6 +296,10 @@ module.exports = React.createClass({
 
         return (
             <div className="post-right__container">
+                <div className='right-file-overlay invisible'>
+                    <span className='right-file-help-text'>Drop a file to upload it.</span>
+                    <img className='right-file-help-picture' />
+                </div>
                 <div className="search-bar__container sidebar--right__search-header">{searchForm}</div>
                 <div className="sidebar-right__body">
                     <RhsHeaderPost fromSearch={this.props.fromSearch} isMentionSearch={this.props.isMentionSearch} />
diff --git a/web/sass-files/sass/partials/_files.scss b/web/sass-files/sass/partials/_files.scss
index 65775f01e..9bf6fd83a 100644
--- a/web/sass-files/sass/partials/_files.scss
+++ b/web/sass-files/sass/partials/_files.scss
@@ -194,11 +194,12 @@
     border-right: 1px solid #ddd;
     vertical-align: center;
 
-        // helper to center the image icon in the preview window
-        .file-details__preview-helper {
-          height: 100%;
-          display: inline-block;
-          vertical-align: middle;
-        }
-      }
+    // helper to center the image icon in the preview window
+    .file-details__preview-helper {
+      height: 100%;
+      display: inline-block;
+      vertical-align: middle;
     }
+  }
+}
+
diff --git a/web/sass-files/sass/partials/_post.scss b/web/sass-files/sass/partials/_post.scss
index 98b17120d..0af5c01e2 100644
--- a/web/sass-files/sass/partials/_post.scss
+++ b/web/sass-files/sass/partials/_post.scss
@@ -107,6 +107,29 @@ body.ios {
 }
 
 #post-list {
+	.center-file-overlay {
+		top: 0px;
+		height: 100%;
+		width: 59.7%;
+		position: fixed;
+		z-index: 2147483646;
+		-moz-box-shadow: 0px 0px 3px #8a8a8a;
+		-webkit-box-shadow: 0px 0px 3px #8a8a8a;
+		box-shadow: 0px 0px 3px #8a8a8a;
+
+		.invisible {
+			visibility: hidden;
+		}
+		.visible {
+			visibility: visible;
+		}
+		.center-file-help-text {
+
+		}
+		.center-file-help-picture {
+
+		}
+	}
 	.post-list-holder-by-time {
 		background: #fff;
 		overflow-y: scroll;
diff --git a/web/sass-files/sass/partials/_post_right.scss b/web/sass-files/sass/partials/_post_right.scss
index 4cf3e32a1..41b7aaada 100644
--- a/web/sass-files/sass/partials/_post_right.scss
+++ b/web/sass-files/sass/partials/_post_right.scss
@@ -1,5 +1,28 @@
 .post-right__container {
 
+	.right-file-overlay {
+		height: 100%;
+		width: 100%;
+		position: fixed;
+		z-index: 2147483646;
+		-moz-box-shadow: 0px 0px 3px #8a8a8a;
+		-webkit-box-shadow: 0px 0px 3px #8a8a8a;
+		box-shadow: 0px 0px 3px #8a8a8a;
+
+		.invisible {
+			visibility: hidden;
+		}
+		.visible {
+			visibility: visible;
+		}
+		.right-file-help-text {
+
+		}
+		.right-file-help-picture {
+
+		}
+	}
+
 	.post-right-root-message {
 		padding: 1em 1em 0;
 	}
diff --git a/web/static/js/jquery-dragster/LICENSE b/web/static/js/jquery-dragster/LICENSE
new file mode 100644
index 000000000..b8b51dc0b
--- /dev/null
+++ b/web/static/js/jquery-dragster/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Jan Martin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/web/static/js/jquery-dragster/README.md b/web/static/js/jquery-dragster/README.md
new file mode 100644
index 000000000..1c28adaf0
--- /dev/null
+++ b/web/static/js/jquery-dragster/README.md
@@ -0,0 +1,17 @@
+Include [jquery.dragster.js](https://rawgithub.com/catmanjan/jquery-dragster/master/jquery.dragster.js) in page.
+
+Works in IE.
+
+```javascript
+$('.element').dragster({
+	enter: function (dragsterEvent, event) {
+		$(this).addClass('hover');
+	},
+	leave: function (dragsterEvent, event) {
+		$(this).removeClass('hover');
+	},
+	drop: function (dragsterEvent, event) {
+		$(this).removeClass('hover');
+	}
+});
+```
\ No newline at end of file
diff --git a/web/static/js/jquery-dragster/jquery.dragster.js b/web/static/js/jquery-dragster/jquery.dragster.js
new file mode 100644
index 000000000..db73fe3f0
--- /dev/null
+++ b/web/static/js/jquery-dragster/jquery.dragster.js
@@ -0,0 +1,85 @@
+// 1.0.3
+/*
+The MIT License (MIT)
+
+Copyright (c) 2015 Jan Martin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+(function ($) {
+
+    $.fn.dragster = function (options) {
+        var settings = $.extend({
+            enter: $.noop,
+            leave: $.noop,
+            over: $.noop,
+            drop: $.noop
+        }, options);
+
+        return this.each(function () {
+            var first = false,
+                second = false,
+                $this = $(this);
+
+            $this.on({
+                dragenter: function (event) {
+                    if (first) {
+                        second = true;
+                        return;
+                    } else {
+                        first = true;
+                        $this.trigger('dragster:enter', event);
+                    }
+                    event.preventDefault();
+                },
+                dragleave: function (event) {
+                    if (second) {
+                        second = false;
+                    } else if (first) {
+                        first = false;
+                    }
+                    if (!first && !second) {
+                        $this.trigger('dragster:leave', event);
+                    }
+                    event.preventDefault();
+                },
+                dragover: function (event) {
+                    $this.trigger('dragster:over', event);
+                    event.preventDefault();
+                },
+                drop: function (event) {
+                    if (second) {
+                        second = false;
+                    } else if (first) {
+                        first = false;
+                    }
+                    if (!first && !second) {
+                        $this.trigger('dragster:drop', event);
+                    }
+                    event.preventDefault();
+                },
+                'dragster:enter': settings.enter,
+                'dragster:leave': settings.leave,
+                'dragster:over': settings.over,
+                'dragster:drop': settings.drop
+            });
+        });
+    };
+
+}(jQuery));
diff --git a/web/templates/head.html b/web/templates/head.html
index 7a7d4fe8e..dd5e9f46e 100644
--- a/web/templates/head.html
+++ b/web/templates/head.html
@@ -32,6 +32,8 @@
 
     <script src="/static/js/perfect-scrollbar-0.6.3.jquery.js"></script>
 
+    <script src="/static/js/jquery-dragster/jquery.dragster.js"></script>
+
     <script type="text/javascript" src="https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1','packages':['annotationchart']}]}"></script>
 
     <script type="text/javascript" src="https://cloudfront.loggly.com/js/loggly.tracker.js" async></script>