pandora/static/js/editPanel.js

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JavaScript
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'use strict';
pandora.ui.editPanel = function() {
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var ui = pandora.user.ui,
edit,
listSizes = [
144 + Ox.UI.SCROLLBAR_SIZE,
280 + Ox.UI.SCROLLBAR_SIZE,
416 + Ox.UI.SCROLLBAR_SIZE
],
listSize = listSizes[ui.clipColumns],
smallTimelineCanvas,
smallTimelineContext,
that = Ox.Element();
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ui.edit ? renderEdit() : renderEdits();
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function editPointsKey(key) {
return 'editPoints.' + ui.edit.replace(/\./g, '\\.') + '.' + key;
}
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function getSmallTimelineURL() {
var fps = 25,
width = Math.floor(edit.duration * fps),
height = 64;
smallTimelineCanvas = Ox.$('<canvas>').attr({width: width, height: height})[0];
smallTimelineContext = smallTimelineCanvas.getContext('2d');
return smallTimelineCanvas.toDataURL();
}
function getVideos() {
var videos = {};
pandora.site.video.resolutions.forEach(function(resolution) {
videos[resolution] = Ox.flatten(edit.clips.map(function(clip) {
return pandora.getClipVideos(clip, resolution);
}));
});
return videos;
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}
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function renderEdit() {
pandora.api.getEdit({id: ui.edit}, function(result) {
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edit = result.data;
// fixme: duration should come from backend
edit.duration = 0;
edit.clips.forEach(function(clip) {
clip.position = edit.duration;
edit.duration += clip.duration;
});
pandora.$ui.mainPanel.replaceElement(1,
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that = pandora.$ui.editPanel = Ox.VideoEditPanel({
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clips: Ox.clone(edit.clips),
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clipSize: listSize,
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clipSort: ui.clipSort,
clipSortOptions: [/*...*/],
clipView: ui.clipView,
cuts: [],
duration: edit.duration,
editable: edit.editable,
enableSubtitles: ui.videoSubtitles,
fullscreen: false,
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getClipImageURL: function(id, width, height) {
var clip = Ox.getObjectById(edit.clips, id);
return '/' + clip.item + '/' + height + 'p' + clip['in'] + '.jpg';
},
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getLargeTimelineURL: function(type, i, callback) {
pandora.getLargeEditTimelineURL(edit, type, i, callback);
},
height: pandora.$ui.appPanel.size(1),
'in': ui.editPoints[ui.edit]['in'],
loop: ui.videoLoop,
muted: ui.videoMuted,
out: ui.editPoints[ui.edit].out,
position: ui.editPoints[ui.edit].position,
resolution: ui.videoResolution,
scaleToFill: ui.videoScale == 'fill',
// selected: ...
showClips: ui.showClips,
showTimeline: ui.showTimeline,
smallTimelineURL: getSmallTimelineURL(),
sort: ui.clipSort,
sortOptions: [
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{id: 'index', title: Ox._('Sort Manually'), operator: '+'}
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].concat(
pandora.site.clipKeys.map(function(key) {
return Ox.extend(Ox.clone(key), {
title: Ox._(('Sort by Clip {0}'), [Ox._(key.title)])
});
})
).concat(
pandora.site.sortKeys.map(function(key) {
return Ox.extend(Ox.clone(key), {
title: Ox._('Sort by {0}', [Ox._(key.title)])
});
})
),
timeline: ui.videoTimeline,
video: getVideos(),
volume: ui.videoVolume,
width: pandora.$ui.document.width() - pandora.$ui.mainPanel.size(0) - 1
})
.bindEvent({
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copy: function(data) {
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Ox.Clipboard.copy(data.ids.map(function(id) {
return Ox.getObjectById(edit.clips, id);
}), 'clip');
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},
copyadd: function(data) {
Ox.Clipboard.add(data.ids.map(function(id) {
return Ox.getObjectById(edit.clips, id);
}), 'clip');
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},
edit: function(data) {
var args = {id: data.id},
index = Ox.getIndexById(edit.clips, data.id),
clip = edit.clips[index];
if (data.key == 'duration') {
data.key = 'out';
data.value += clip['in'];
}
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pandora.api.get({id: clip.item, keys: ['duration']}, function(result) {
data.value = Math.min(data.value, result.data.duration);
args[data.key] = data.value;
if (data.key == 'in' && data.value > clip.out) {
args.out = args['in'];
} else if (data.key == 'out' && data.value < clip['in']) {
args['in'] = args.out;
}
pandora.api.editClip(args, function(result) {
if (result.status.code == 200) {
edit.clips[index] = result.data;
that.updateClip(data.id, result.data);
updateVideos();
} else {
Ox.print('failed to edit clip', result);
}
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});
});
},
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loop: function(data) {
pandora.UI.set({videoLoop: data.loop});
},
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move: function(data) {
pandora.api.orderClips({
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edit: edit.id,
ids: data.ids
}, function(result) {
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Ox.Request.clearCache('getEdit');
orderClips(data.ids);
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});
},
muted: function(data) {
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pandora.UI.set({videoMuted: data.muted});
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},
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open: function(data) {
pandora.UI.set(editPointsKey('clip'), data.ids[0]);
},
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paste: function() {
if (Ox.Clipboard.type() == 'clip') {
pandora.api.addClips({
clips: Ox.Clipboard.paste().map(function(clip) {
return {
annotation: clip.annotation,
'in': clip['in'],
item: clip.item,
out: clip.out
};
}),
edit: ui.edit
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}, function(result) {
Ox.Request.clearCache('getEdit');
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updateClips(edit.clips.concat(result.data.clips));
});
}
},
playing: function(data) {
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var set = {};
set[editPointsKey('clip')] = '';
set[editPointsKey('position')] = data.position;
pandora.UI.set(set);
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},
position: function(data) {
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var set = {};
set[editPointsKey('clip')] = '';
set[editPointsKey('position')] = data.position;
pandora.UI.set(set);
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},
remove: function(data) {
if (edit.editable) {
pandora.api.removeClips({
ids: data.ids,
edit: ui.edit
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}, function(result) {
Ox.Request.clearCache('getEdit');
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updateClips(result.data.clips);
});
}
},
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resize: function(data) {
// sidebar resize
that.options({width: data.size});
},
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resizeclips: function(data) {
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pandora.UI.set({clipsSize: data.clipsSize});
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},
resolution: function(data) {
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pandora.UI.set({videoResolution: data.resolution});
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},
scale: function(data) {
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pandora.UI.set({videoScale: data.scale});
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},
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size: function(data) {
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pandora.UI.set({clipSize: data.size});
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},
sort: function(data) {
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pandora.UI.set({clipSort: data});
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var key = data[0].key;
if (key == 'position') {
key = 'in';
}
if ([
'id', 'index', 'in', 'out', 'duration',
'title', 'director', 'year', 'videoRatio'
].indexOf(key) > -1) {
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edit.clips = Ox.sortBy(edit.clips, key);
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if (data[0].operator == '-') {
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edit.clips.reverse();
}
updateClips(edit.clips);
} else {
pandora.api.sortClips({
edit: edit.id,
sort: data
}, function(result) {
edit.clips.forEach(function(clip) {
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clip[key] = result.data.clips.indexOf(clip.id);
});
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edit.clips = Ox.sortBy(edit.clips, key);
updateClips(edit.clips);
});
}
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},
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subtitles: function(data) {
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pandora.UI.set({videoSubtitles: data.subtitles});
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},
timeline: function(data) {
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pandora.UI.set({videoTimeline: data.timeline});
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},
toggleclips: function(data) {
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pandora.UI.set({showClips: data.showClips});
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},
toggletimeline: function(data) {
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pandora.UI.set({showTimeline: data.showTimeline});
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},
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view: function(data) {
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pandora.UI.set({clipView: data.view});
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},
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volume: function(data) {
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pandora.UI.set({videoVolume: data.volume});
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},
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pandora_showclips: function(data) {
that.options({showClips: data.value});
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},
pandora_showtimeline: function(data) {
that.options({showTimeline: data.value});
},
pandora_videotimeline: function(data) {
that.options({timeline: data.value});
}
})
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);
updateSmallTimelineURL();
});
}
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function renderEdits() {
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that = Ox.IconList({
borderRadius: 16,
defaultRatio: 1,
draggable: true,
item: function(data, sort, size) {
size = size || 128;
var ui = pandora.user.ui,
url = '/edit/' + data.id + '/icon'+size+'.jpg?' + data.modified,
info = Ox.formatDuration(data.duration);
return {
height: size,
id: data.id,
title: data.name,
info: info,
url: url,
width: size,
}
},
items: function(data, callback) {
pandora.api.findEdits(data, callback);
return Ox.clone(data, true);
},
keys: ['id', 'modified', 'name', 'duration'],
size: 128,
sort: [{key: 'id', operator: '+'}],
unique: 'id'
})
.addClass('OxMedia')
.bindEvent({
open: function(data) {
pandora.UI.set('edit', data.ids[0]);
}
});
}
function orderClips(ids) {
edit.clips.forEach(function(clip) {
clip.index = ids.indexOf(clip.id);
});
edit.clips = Ox.sortBy(edit.clips, 'index');
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updateVideos();
}
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function updateClips(clips) {
edit.clips = clips;
edit.duration = 0;
edit.clips.forEach(function(clip) {
clip.position = edit.duration;
edit.duration += clip.duration;
});
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that.options({
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clips: Ox.clone(clips),
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smallTimelineURL: getSmallTimelineURL(),
video: getVideos()
});
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updateSmallTimelineURL();
}
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function updateSmallTimelineURL() {
var fps = 25;
Ox.serialForEach(edit.clips, function(clip) {
var callback = Ox.last(arguments);
pandora.getLargeClipTimelineURL(clip.item, clip['in'], clip.out, ui.videoTimeline, function(url) {
var image = Ox.$('<img>')
.on({
load: function() {
smallTimelineContext.drawImage(image, Math.floor(clip.position * fps), 0);
that.options({smallTimelineURL: smallTimelineCanvas.toDataURL()});
callback();
}
})
.attr({
src: url
})[0];
});
});
}
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function updateVideos() {
edit.duration = 0;
edit.clips.forEach(function(clip) {
clip.position = edit.duration;
edit.duration += clip.duration;
});
that.options({
smallTimelineURL: getSmallTimelineURL(),
video: getVideos()
});
updateSmallTimelineURL();
}
return that;
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};