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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>
);
}
});
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