summaryrefslogtreecommitdiffstats
path: root/web/react/components/view_image.jsx
blob: 6ba76c0f8e5180ac9c3bafaa3b0302235c6f08d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
// 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 fileInfo = utils.splitFileLocation(this.props.filenames[id]);
        // 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;
        var src = fileInfo['path'] + '_preview.jpg';

        var self = this;
        var img = new Image();
        img.load(src,
            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 });
    },
    componentDidUpdate: function() {
        if (this.refs.image) {
            if (this.state.loaded[this.state.imgId]) {
                $(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: {} };
    },
    render: function() {
        if (this.props.filenames.length < 1 || this.props.filenames.length-1 < this.state.imgId) {
            return <div/>;
        }

        var fileInfo = utils.splitFileLocation(this.props.filenames[this.state.imgId]);

        var name = fileInfo['name'] + '.' + fileInfo['ext'];

        var loading = "";
        var bgClass = "";
        var img = {};
        if (!this.state.loaded[this.state.imgId]) {
            var percentage = Math.floor(this.state.progress[this.state.imgId]);
            loading = (
                <div key={name+"_loading"}>
                    <img ref="placeholder" className="loader-image" src="/static/images/load.gif" />
                    { percentage > 0 ?
                    <span className="loader-percent" >{"Previewing " + percentage + "%"}</span>
                    : ""}
                </div>
            );
            bgClass = "black-bg";
        } else if (this.state.viewed) {
            for (var id in this.state.images) {
                var info = utils.splitFileLocation(this.props.filenames[id]);
                var preview_filename = "";

                // This is a temporary patch to fix issue with old files using absolute paths
                if (info.path.indexOf("/api/v1/files/get") !== -1) {
                    info.path = info.path.split("/api/v1/files/get")[1];
                }
                info.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + info.path;
                preview_filename = info['path'] + '_preview.jpg';

                var imgClass = "hidden";
                if (this.state.loaded[id] && this.state.imgId == id) imgClass = "";

                img[info['path']] = <a key={info['path']} className={imgClass} href={info.path+"."+info.ext} target="_blank"><img ref="image" src={preview_filename}/></a>;
            }
        }

        var imgFragment = React.addons.createFragment(img);

        // This is a temporary patch to fix issue with old files using absolute paths
        var download_link = this.props.filenames[this.state.imgId];
        if (download_link.indexOf("/api/v1/files/get") !== -1) {
            download_link = download_link.split("/api/v1/files/get")[1];
        }
        download_link = utils.getWindowLocationOrigin() + "/api/v1/files/get" + download_link;

        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>
                                {imgFragment}
                                <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={download_link} download={decodeURIComponent(name)} className="text">Download</a>
                                    </div>
                                </div>
                                {loading}
                            </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>
        );
    }
});