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add large timeline to video

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rolux 2011-05-17 10:58:03 +02:00
commit e10ab53030
3 changed files with 295 additions and 11 deletions
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232
source/Ox.UI/js/Video/Ox.LargeVideoTimeline.js Normal file
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// vim: et:ts=4:sw=4:sts=4:ft=js
/*@
Ox.LargeVideoTimeline <f:Ox.Element> LargeTimeline Object
() -> <f> LargeTimeline Object
(options) -> <f> LargeTimeline Object
(options, self) -> <f> LargeTimeline Object
options <o> Options object
self <o> shared private variable
@*/
Ox.LargeVideoTimeline = function(options, self) {
var self = self || {},
that = new Ox.Element({}, self)
.defaults({
cuts: [],
duration: 0,
find: '',
getImageURL: null,
'in': 0,
matches: [],
out: 0,
position: 0,
style: 'default', // fixme: there are no different styles yet
subtitles: [],
type: 'player',
width: 0
})
.options(options || {})
.addClass('OxTimelineLarge')
.mouseleave(mouseleave)
.mousemove(mousemove)
.bindEvent({
anyclick: click,
dragstart: dragstart,
drag: drag
});
$.extend(self, {
$cuts: [],
$markerPoint: {},
$tiles: {},
$tooltip: new Ox.Tooltip({
animate: false
}),
center: parseInt(self.options.width / 2),
element: that.$element[0],
fps: 25,
height: 64,
tileWidth: 1500
});
self.tiles = self.options.duration * self.fps / self.tileWidth;
self.$timeline = $('<div>')
.css({
left: self.center + 'px'
})
.appendTo(that.$element)
setSubtitles();
self.options.cuts.forEach(function(v, i) {
self.$cuts[i] = $('<img>')
.addClass('OxCut')
.attr({
src: Ox.UI.PATH + 'png/videoMarkerCut.png'
})
.css({
left: (v * self.fps) + 'px'
})
.appendTo(self.$timeline)
});
self.$markerPosition = $('<img>')
.addClass('OxMarkerPosition')
.attr({
src: Ox.UI.PATH + 'png/videoMarkerPlay.png'
})
.appendTo(that.$element);
setMarker();
['in', 'out'].forEach(function(point) {
var titlecase = Ox.toTitleCase(point);
self.$markerPoint[point] = $('<img>')
.addClass('OxMarkerPoint' + titlecase)
.attr({
src: Ox.UI.PATH + 'png/videoMarker' + titlecase + '.png'
})
.appendTo(self.$timeline);
setMarkerPoint(point);
});
setWidth();
setPosition();
function click(event, e) {
self.options.position = Ox.limit(
getPosition(e), 0, self.options.duration
);
setPosition();
triggerPositionEvent();
}
function dragstart(event, e) {
self.drag = {x: e.clientX};
}
function drag(event, e) {
self.options.position = Ox.limit(
self.options.position + (self.drag.x - e.clientX) / self.fps,
0, self.options.duration
);
self.drag.x = e.clientX;
setPosition();
triggerPositionEvent();
}
function getPosition(e) {
return self.options.position + (e.clientX - that.offset().left - self.center - 1) / self.fps
}
function mouseleave(e) {
self.clientX = 0;
self.clientY = 0;
self.$tooltip.hide();
}
function mousemove(e) {
self.clientX = e.clientX;
self.clientY = e.clientY;
updateTooltip();
}
function setMarkerPoint(point) {
self.$markerPoint[point].css({
left: (self.options[point] * self.fps) + 'px'
});
}
function setMarker() {
self.$markerPosition.css({
left: (self.center - 4) + 'px',
});
}
function setPosition() {
self.tile = parseInt(self.options.position * self.fps / self.tileWidth);
self.$timeline.css({
marginLeft: (-self.options.position * self.fps) + 'px'
});
Ox.loop(
Math.max(self.tile - 1, 0),
Math.min(self.tile + 2, self.tiles),
function(i) {
if (!self.$tiles[i]) {
self.$tiles[i] = $('<img>')
.attr({
src: self.options.getImageURL(i)
})
.css({
left: (i * self.tileWidth) + 'px'
})
.appendTo(self.$timeline);
}
}
);
if (self.clientX && self.clientY) {
updateTooltip();
}
}
function setSubtitles() {
self.$subtitles = [];
self.options.subtitles.forEach(function(subtitle, i) {
self.$subtitles[i] = $('<div>')
.addClass('OxSubtitle' + (self.options.matches.indexOf(i) > -1 ? ' OxHighlight' : ''))
.css({
left: (subtitle['in'] * self.fps) + 'px',
width: (((subtitle.out - subtitle['in']) * self.fps) - 2) + 'px'
})
.html(Ox.highlight(subtitle.text, self.options.find, 'OxHighlight'))
.appendTo(self.$timeline)
});
}
function setWidth() {
self.center = parseInt(self.options.width / 2);
that.css({
width: self.options.width + 'px'
});
self.$timeline.css({
left: self.center + 'px'
});
setMarker();
}
function triggerPositionEvent() {
that.triggerEvent('position', {
position: self.options.position
});
}
function updateTooltip() {
var position = getPosition(self);
if (position >= 0 && position <= self.options.duration) {
self.$tooltip
.options({
title: Ox.formatDuration(position, 3)
})
.show(self.clientX, self.clientY);
} else {
self.$tooltip.hide();
}
}
self.setOption = function(key, value) {
if (key == 'points') {
setMarkerPoint('in');
setMarkerPoint('out');
} else if (key == 'position') {
setPosition();
} else if (key == 'subtitles') {
} else if (key == 'width') {
setWidth();
}
};
return that;
};