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// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
// See License.txt for license information.
var Client = require('../utils/client.jsx');
var utils = require('../utils/utils.jsx');
module.exports = React.createClass({
handleNext: function() {
var id = this.state.imgId + 1;
if (id > this.props.filenames.length-1) {
id = 0;
}
this.setState({ imgId: id });
this.loadImage(id);
},
handlePrev: function() {
var id = this.state.imgId - 1;
if (id < 0) {
id = this.props.filenames.length-1;
}
this.setState({ imgId: id });
this.loadImage(id);
},
componentWillReceiveProps: function(nextProps) {
this.setState({ imgId: nextProps.startId });
},
loadImage: function(id) {
var imgHeight = $(window).height()-100;
if (this.state.loaded[id] || this.state.images[id]){
$('.modal .modal-image .image-wrapper img').css("max-height",imgHeight);
return;
};
var filename = this.props.filenames[id];
var fileInfo = utils.splitFileLocation(filename);
var fileType = utils.getFileType(fileInfo.ext);
if (fileType === "image") {
var self = this;
var img = new Image();
img.load(this.getPreviewImagePath(filename),
function(){
var progress = self.state.progress;
progress[id] = img.completedPercentage;
self.setState({ progress: progress });
});
img.onload = function(imgid) {
return function() {
var loaded = self.state.loaded;
loaded[imgid] = true;
self.setState({ loaded: loaded });
$(self.refs.image.getDOMNode()).css("max-height",imgHeight);
};
}(id);
var images = this.state.images;
images[id] = img;
this.setState({ images: images });
} else {
// there's nothing to load for non-image files
var loaded = this.state.loaded;
loaded[id] = true;
this.setState({ loaded: loaded });
}
},
componentDidUpdate: function() {
if (this.state.loaded[this.state.imgId]) {
if (this.refs.imageWrap) {
$(this.refs.imageWrap.getDOMNode()).removeClass("default");
}
}
},
componentDidMount: function() {
var self = this;
$("#"+this.props.modalId).on('shown.bs.modal', function() {
self.setState({ viewed: true });
self.loadImage(self.state.imgId);
})
$(this.refs.modal.getDOMNode()).click(function(e){
if (e.target == this || e.target == self.refs.imageBody.getDOMNode()) {
$('.image_modal').modal('hide');
}
});
$(this.refs.imageWrap.getDOMNode()).hover(
function() {
$(self.refs.imageFooter.getDOMNode()).addClass("footer--show");
}, function() {
$(self.refs.imageFooter.getDOMNode()).removeClass("footer--show");
}
);
},
getPublicLink: function(e) {
data = {};
data["channel_id"] = this.props.channelId;
data["user_id"] = this.props.userId;
data["filename"] = this.props.filenames[this.state.imgId];
Client.getPublicLink(data,
function(data) {
window.open(data["public_link"]);
}.bind(this),
function(err) {
}.bind(this)
);
},
getInitialState: function() {
var loaded = [];
var progress = [];
for (var i = 0; i < this.props.filenames.length; i ++) {
loaded.push(false);
progress.push(0);
}
return { imgId: this.props.startId, viewed: false, loaded: loaded, progress: progress, images: {}, fileSizes: {} };
},
render: function() {
if (this.props.filenames.length < 1 || this.props.filenames.length-1 < this.state.imgId) {
return <div/>;
}
var filename = this.props.filenames[this.state.imgId];
var fileUrl = utils.getFileUrl(filename);
var name = decodeURIComponent(utils.getFileName(filename));
var content;
var bgClass = "";
if (this.state.loaded[this.state.imgId]) {
var fileInfo = utils.splitFileLocation(filename);
var fileType = utils.getFileType(fileInfo.ext);
if (fileType === "image") {
content = (
<a href={fileUrl} target="_blank">
<img ref="image" src={this.getPreviewImagePath(filename)}/>
</a>
);
} else {
// non-image files include a section providing details about the file
var infoString = "File type " + fileInfo.ext.toUpperCase();
if (this.state.fileSizes[filename] && this.state.fileSizes[filename] >= 0) {
infoString += ", Size " + utils.fileSizeToString(this.state.fileSizes[filename]);
}
content = (
<div className="file-details__container">
<a className={"file-details__preview"} href={fileUrl} target="_blank">
<span className="file-details__preview-helper" />
<img ref="image" src={this.getPreviewImagePath(filename)} />
</a>
<div className="file-details">
<div className="file-details__name">{name}</div>
<div className="file-details__info">{infoString}</div>
</div>
</div>
);
// asynchronously request the actual size of this file
if (!(filename in this.state.fileSizes)) {
var self = this;
utils.getFileSize(utils.getFileUrl(filename), function(fileSize) {
var fileSizes = self.state.fileSizes;
fileSizes[filename] = fileSize;
self.setState(fileSizes);
});
}
}
} else {
var percentage = Math.floor(this.state.progress[this.state.imgId]);
content = (
<div>
<img className="loader-image" src="/static/images/load.gif" />
{ percentage > 0 ?
<span className="loader-percent" >{"Previewing " + percentage + "%"}</span>
: ""}
</div>
);
bgClass = "black-bg";
}
return (
<div className="modal fade image_modal" ref="modal" id={this.props.modalId} tabIndex="-1" role="dialog" aria-hidden="true">
<div className="modal-dialog modal-image">
<div className="modal-content image-content">
<div ref="imageBody" className="modal-body image-body">
<div ref="imageWrap" className={"image-wrapper default " + bgClass}>
<div className="modal-close" data-dismiss="modal"></div>
{content}
<div ref="imageFooter" className="modal-button-bar">
<span className="pull-left text">{"Image "+(this.state.imgId+1)+" of "+this.props.filenames.length}</span>
<div className="image-links">
{ config.AllowPublicLink ?
<div>
<a href="#" className="public-link text" data-title="Public Image" onClick={this.getPublicLink}>Get Public Link</a>
<span className="text"> | </span>
</div>
: "" }
<a href={fileUrl} download={name} className="text">Download</a>
</div>
</div>
</div>
{ this.props.filenames.length > 1 ?
<a className="modal-prev-bar" href="#" onClick={this.handlePrev}>
<i className="image-control image-prev"/>
</a>
: "" }
{ this.props.filenames.length > 1 ?
<a className="modal-next-bar" href="#" onClick={this.handleNext}>
<i className="image-control image-next"/>
</a>
: "" }
</div>
</div>
</div>
</div>
);
},
getPreviewImagePath: function(filename) {
var fileInfo = utils.splitFileLocation(filename);
var fileType = utils.getFileType(fileInfo.ext);
if (fileType === "image") {
// 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;
return fileInfo.path + '_preview.jpg';
} else {
// only images have proper previews, so just use a placeholder icon for non-images
return utils.getPreviewImagePathForFileType(fileType);
}
}
});
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