Converting to Webpack. Stage 1.

1 files changed, 228 insertions, 0 deletions

diff --git a/webapp/components/file_attachment.jsx b/webapp/components/file_attachment.jsx
new file mode 100644
index 000000000..6253e17e1
--- /dev/null
+++ b/webapp/components/file_attachment.jsx
@@ -0,0 +1,228 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import $ from 'jquery';
+import ReactDOM from 'react-dom';
+import * as utils from 'utils/utils.jsx';
+import * as Client from 'utils/client.jsx';
+import Constants from 'utils/constants.jsx';
+
+import {intlShape, injectIntl, defineMessages} from 'react-intl';
+
+const holders = defineMessages({
+    download: {
+        id: 'file_attachment.download',
+        defaultMessage: 'Download'
+    }
+});
+
+import React from 'react';
+
+class FileAttachment extends React.Component {
+    constructor(props) {
+        super(props);
+
+        this.loadFiles = this.loadFiles.bind(this);
+        this.addBackgroundImage = this.addBackgroundImage.bind(this);
+
+        this.canSetState = false;
+        this.state = {fileSize: -1};
+    }
+    componentDidMount() {
+        this.loadFiles();
+    }
+    componentDidUpdate(prevProps) {
+        if (this.props.filename !== prevProps.filename) {
+            this.loadFiles();
+        }
+    }
+    loadFiles() {
+        this.canSetState = true;
+
+        var filename = this.props.filename;
+
+        if (filename) {
+            var fileInfo = this.getFileInfoFromName(filename);
+            var type = utils.getFileType(fileInfo.ext);
+
+            if (type === 'image') {
+                var self = this; // Need this reference since we use the given "this"
+                $('<img/>').attr('src', fileInfo.path + '_thumb.jpg').load(function loadWrapper(path, name) {
+                    return function loader() {
+                        $(this).remove();
+                        if (name in self.refs) {
+                            var imgDiv = ReactDOM.findDOMNode(self.refs[name]);
+
+                            $(imgDiv).removeClass('post-image__load');
+                            $(imgDiv).addClass('post-image');
+
+                            var width = this.width || $(this).width();
+                            var height = this.height || $(this).height();
+
+                            if (width < Constants.THUMBNAIL_WIDTH &&
+                                height < Constants.THUMBNAIL_HEIGHT) {
+                                $(imgDiv).addClass('small');
+                            } else {
+                                $(imgDiv).addClass('normal');
+                            }
+
+                            self.addBackgroundImage(name, path);
+                        }
+                    };
+                }(fileInfo.path, filename));
+            }
+        }
+    }
+    componentWillUnmount() {
+        // keep track of when this component is mounted so that we can asynchronously change state without worrying about whether or not we're mounted
+        this.canSetState = false;
+    }
+    shouldComponentUpdate(nextProps, nextState) {
+        if (!utils.areObjectsEqual(nextProps, this.props)) {
+            return true;
+        }
+
+        // the only time this object should update is when it receives an updated file size which we can usually handle without re-rendering
+        if (nextState.fileSize !== this.state.fileSize) {
+            if (this.refs.fileSize) {
+                // update the UI element to display the file size without re-rendering the whole component
+                ReactDOM.findDOMNode(this.refs.fileSize).innerHTML = utils.fileSizeToString(nextState.fileSize);
+
+                return false;
+            }
+
+            // we can't find the element that should hold the file size so we must not have rendered yet
+            return true;
+        }
+
+        return true;
+    }
+    getFileInfoFromName(name) {
+        var fileInfo = utils.splitFileLocation(name);
+
+        fileInfo.path = utils.getWindowLocationOrigin() + '/api/v1/files/get' + fileInfo.path;
+
+        return fileInfo;
+    }
+    addBackgroundImage(name, path) {
+        var fileUrl = path;
+
+        if (name in this.refs) {
+            if (!path) {
+                fileUrl = this.getFileInfoFromName(name).path;
+            }
+
+            var imgDiv = ReactDOM.findDOMNode(this.refs[name]);
+            var re1 = new RegExp(' ', 'g');
+            var re2 = new RegExp('\\(', 'g');
+            var re3 = new RegExp('\\)', 'g');
+            var url = fileUrl.replace(re1, '%20').replace(re2, '%28').replace(re3, '%29');
+
+            $(imgDiv).css('background-image', 'url(' + url + '_thumb.jpg)');
+        }
+    }
+    removeBackgroundImage(name) {
+        if (name in this.refs) {
+            $(ReactDOM.findDOMNode(this.refs[name])).css('background-image', 'initial');
+        }
+    }
+    render() {
+        var filename = this.props.filename;
+
+        var fileInfo = utils.splitFileLocation(filename);
+        var fileUrl = utils.getFileUrl(filename, true);
+        var type = utils.getFileType(fileInfo.ext);
+
+        var thumbnail;
+        if (type === 'image') {
+            thumbnail = (
+                <div
+                    ref={filename}
+                    className='post-image__load'
+                />
+            );
+        } else {
+            thumbnail = <div className={'file-icon ' + utils.getIconClassName(type)}/>;
+        }
+
+        var fileSizeString = '';
+        if (this.state.fileSize < 0) {
+            Client.getFileInfo(
+                filename,
+                function success(data) {
+                    if (this.canSetState) {
+                        this.setState({fileSize: parseInt(data.size, 10)});
+                    }
+                }.bind(this),
+                function error() {
+                    // Do nothing
+                }
+            );
+        } else {
+            fileSizeString = utils.fileSizeToString(this.state.fileSize);
+        }
+
+        var filenameString = decodeURIComponent(utils.getFileName(filename));
+        var trimmedFilename;
+        if (filenameString.length > 35) {
+            trimmedFilename = filenameString.substring(0, Math.min(35, filenameString.length)) + '...';
+        } else {
+            trimmedFilename = filenameString;
+        }
+
+        return (
+            <div
+                className='post-image__column'
+                key={filename}
+            >
+                <a className='post-image__thumbnail'
+                    href='#'
+                    onClick={() => this.props.handleImageClick(this.props.index)}
+                >
+                    {thumbnail}
+                </a>
+                <div className='post-image__details'>
+                    <a
+                        href={fileUrl}
+                        download={filenameString}
+                        data-toggle='tooltip'
+                        title={this.props.intl.formatMessage(holders.download) + ' \"' + filenameString + '\"'}
+                        className='post-image__name'
+                        target='_blank'
+                    >
+                        {trimmedFilename}
+                    </a>
+                    <div>
+                        <a
+                            href={fileUrl}
+                            download={filenameString}
+                            className='post-image__download'
+                            target='_blank'
+                        >
+                            <span
+                                className='fa fa-download'
+                            />
+                        </a>
+                        <span className='post-image__type'>{fileInfo.ext.toUpperCase()}</span>
+                        <span className='post-image__size'>{fileSizeString}</span>
+                    </div>
+                </div>
+            </div>
+        );
+    }
+}
+
+FileAttachment.propTypes = {
+    intl: intlShape.isRequired,
+
+    // a list of file pathes displayed by the parent FileAttachmentList
+    filename: React.PropTypes.string.isRequired,
+
+    // the index of this attachment preview in the parent FileAttachmentList
+    index: React.PropTypes.number.isRequired,
+
+    // handler for when the thumbnail is clicked passed the index above
+    handleImageClick: React.PropTypes.func
+};
+
+export default injectIntl(FileAttachment);