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+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+var utils = require('../utils/utils.jsx');
+
+module.exports = React.createClass({
+ displayName: "FileAttachment",
+ canSetState: false,
+ propTypes: {
+ // a list of file pathes displayed by the parent FileAttachmentList
+ filenames: React.PropTypes.arrayOf(React.PropTypes.string).isRequired,
+ // the index of this attachment preview in the parent FileAttachmentList
+ index: React.PropTypes.number.isRequired,
+ // the identifier of the modal dialog used to preview files
+ modalId: React.PropTypes.string.isRequired,
+ // handler for when the thumbnail is clicked
+ handleImageClick: React.PropTypes.func
+ },
+ getInitialState: function() {
+ return {fileSize: -1};
+ },
+ componentDidMount: function() {
+ this.canSetState = true;
+
+ var filename = this.props.filenames[this.props.index];
+
+ if (filename) {
+ var fileInfo = utils.splitFileLocation(filename);
+ var type = utils.getFileType(fileInfo.ext);
+
+ // This is a temporary patch to fix issue with old files using absolute paths
+ if (fileInfo.path.indexOf("/api/v1/files/get") != -1) {
+ fileInfo.path = fileInfo.path.split("/api/v1/files/get")[1];
+ }
+ fileInfo.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + fileInfo.path;
+
+ if (type === "image") {
+ var self = this;
+ $('<img/>').attr('src', fileInfo.path+'_thumb.jpg').load(function(path, name){ return function() {
+ $(this).remove();
+ if (name in self.refs) {
+ var imgDiv = self.refs[name].getDOMNode();
+
+ $(imgDiv).removeClass('post__load');
+ $(imgDiv).addClass('post__image');
+
+ var re1 = new RegExp(' ', 'g');
+ var re2 = new RegExp('\\(', 'g');
+ var re3 = new RegExp('\\)', 'g');
+ var url = path.replace(re1, '%20').replace(re2, '%28').replace(re3, '%29');
+ $(imgDiv).css('background-image', 'url('+url+'_thumb.jpg)');
+ }
+ }}(fileInfo.path, filename));
+ }
+ }
+ },
+ componentWillUnmount: function() {
+ // 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: function(nextProps, nextState) {
+ // 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
+ this.refs.fileSize.getDOMNode().innerHTML = utils.fileSizeToString(nextState.fileSize);
+
+ return false;
+ } else {
+ // we can't find the element that should hold the file size so we must not have rendered yet
+ return true;
+ }
+ } else {
+ return true;
+ }
+ },
+ render: function() {
+ var filenames = this.props.filenames;
+ var filename = filenames[this.props.index];
+
+ var fileInfo = utils.splitFileLocation(filename);
+ var type = utils.getFileType(fileInfo.ext);
+
+ var thumbnail;
+ if (type === "image") {
+ thumbnail = <div ref={filename} className="post__load" style={{backgroundImage: 'url(/static/images/load.gif)'}}/>;
+ } else {
+ thumbnail = <div className={"file-icon "+utils.getIconClassName(type)}/>;
+ }
+
+ var fileSizeString = "";
+ if (this.state.fileSize < 0) {
+ var self = this;
+
+ // asynchronously request the size of the file so that we can display it next to the thumbnail
+ utils.getFileSize(utils.getFileUrl(filename), function(fileSize) {
+ if (self.canSetState) {
+ self.setState({fileSize: fileSize});
+ }
+ });
+ } else {
+ fileSizeString = utils.fileSizeToString(this.state.fileSize);
+ }
+
+ return (
+ <div className="post-image__column" key={filename}>
+ <a className="post-image__thumbnail" href="#" onClick={this.props.handleImageClick}
+ data-img-id={this.props.index} data-toggle="modal" data-target={"#" + this.props.modalId }>
+ {thumbnail}
+ </a>
+ <div className="post-image__details">
+ <div className="post-image__name">{decodeURIComponent(utils.getFileName(filename))}</div>
+ <div>
+ <span className="post-image__type">{fileInfo.ext.toUpperCase()}</span>
+ <span className="post-image__size">{fileSizeString}</span>
+ </div>
+ </div>
+ </div>
+ );
+ }
+});