277 lines
8.4 KiB
JavaScript
277 lines
8.4 KiB
JavaScript
// vim: et:ts=4:sw=4:sts=4:ft=javascript
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Ox.BlockVideoTimeline = function(options, self) {
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self = self || {};
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var that = Ox.Element({}, self)
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.defaults({
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duration: 0,
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find: '',
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getImageURL: null,
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'in': 0,
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out: 0,
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position: 0,
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results: [],
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showPointMarkers: false,
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showSubtitles: false,
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subtitles: [],
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width: 0
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})
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.options(options || {})
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.addClass('OxBlockVideoTimeline')
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.css({
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position: 'absolute',
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})
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.bind({
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mousedown: mousedown,
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mouseleave: mouseleave,
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mousemove: mousemove
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})
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.bindEvent({
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drag: function(data) {
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mousedown(data);
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}
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});
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self.$images = [];
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self.$interfaces = [];
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self.$lines = [];
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self.$tooltip = Ox.Tooltip({
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animate: false
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}).css({
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textAlign: 'center'
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});
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self.height = 16;
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self.lines = getLines();
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self.margin = 8;
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setCSS();
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self.$image = Ox.SmallVideoTimelineImage({
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duration: self.options.duration,
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editing: self.options.editing,
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'in': self.options['in'],
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out: self.options.out,
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results: self.options.results,
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subtitles: self.options.showSubtitles ? self.options.subtitles : [],
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timeline: self.options.getImageURL,
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width: Math.round(self.options.duration),
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type: self.options.type
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});
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Ox.loop(self.lines, function(i) {
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addLine(i);
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});
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self.$positionMarker = $('<img>')
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.attr({
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src: Ox.UI.getImageURL('markerPosition')
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})
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.addClass('OxMarkerPosition')
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.appendTo(that.$element);
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setPositionMarker();
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if (self.options.showPointMarkers) {
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self.$pointMarker = {};
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['in', 'out'].forEach(function(point) {
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var titlecase = Ox.toTitleCase(point);
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self.$pointMarker[point] = $('<img>')
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.addClass('OxMarkerPoint' + titlecase)
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.attr({
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src: Ox.UI.getImageURL('marker' + titlecase)
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})
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.appendTo(that.$element);
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setPointMarker(point);
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});
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}
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function addLine(i) {
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self.$lines[i] = $('<div>')
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.css({
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position: 'absolute',
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left: (self.margin / 2) + 'px',
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top: i * (self.height + self.margin) + 'px',
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width: self.options.width + 'px',
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height: '24px',
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overflow: 'hidden'
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})
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.appendTo(that.$element);
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self.$images[i] = self.$image.clone()
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.css({
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position: 'absolute',
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marginLeft: (-i * self.options.width) + 'px'
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})
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.appendTo(self.$lines[i]);
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self.$interfaces[i] = $('<div>')
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// OxTarget and OxSpecialTarget are needed for InfoList
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.addClass('OxInterface OxTarget OxSpecialTarget')
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.css({
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position: 'absolute',
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top: '2px',
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width: Math.round(self.options.duration) + 'px',
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height: '20px',
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marginLeft: (-i * self.options.width) + 'px',
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//background: 'rgba(255, 0, 0, 0.1)',
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zIndex: 11
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})
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.appendTo(self.$lines[i]);
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}
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function getLines() {
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return Math.ceil(self.options.duration / self.options.width);
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}
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function getPosition(e) {
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//FIXME: this might still be broken in opera according to http://acko.net/blog/mouse-handling-and-absolute-positions-in-javascript
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return (e.offsetX ? e.offsetX : e.clientX - $(e.target).offset().left);
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}
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function getSubtitle(position) {
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var subtitle = '';
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Ox.forEach(self.options.subtitles, function(v) {
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if (v['in'] <= position && v.out > position) {
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subtitle = v;
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return false;
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}
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});
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return subtitle;
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}
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function mousedown(e) {
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if ($(e.target).is('.OxInterface')) {
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self.options.position = getPosition(e);
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setPositionMarker();
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// fixme: check if this pattern is better
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// than the one used for list selection
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if (!self.triggered) {
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Ox.print('trigger............')
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that.triggerEvent('position', {
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position: self.options.position
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});
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self.triggered = true;
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setTimeout(function() {
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self.triggered = false;
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}, 250);
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}
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}
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}
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function mouseleave() {
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self.$tooltip.hide();
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}
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function mousemove(e) {
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var position, subtitle;
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if ($(e.target).is('.OxInterface')) {
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position = getPosition(e);
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subtitle = getSubtitle(position);
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self.$tooltip.options({
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title: subtitle ?
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'<span class=\'OxBright\'>' +
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Ox.highlight(subtitle.text, self.options.find, 'OxHighlight').replace(/\n/g, '<br/>') +
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'</span><br/>' +
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Ox.formatDuration(subtitle['in'], 3) + ' - ' + Ox.formatDuration(subtitle['out'], 3) :
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Ox.formatDuration(position)
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})
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.show(e.clientX, e.clientY);
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} else {
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self.$tooltip.hide();
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}
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}
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function setCSS() {
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that.css({
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width: (self.options.width + self.margin) + 'px',
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height: ((self.height + self.margin) * self.lines) + 4 + 'px'
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// fixme: the + 4 represent the margin-bottom in the video editor
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// is there a better way to get a proper margin-bottom?
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});
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}
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function setPoint(point) {
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setPointMarker(point);
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self.$image.options(point, self.options[point]);
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updateTimelines();
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}
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function setPointMarker(point) {
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var position = Math.round(self.options[point]);
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self.$pointMarker[point].css({
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left: (position % self.options.width) + 'px',
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top: (parseInt(position / self.options.width) *
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(self.height + self.margin) + 15) + 'px'
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});
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}
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function setPositionMarker() {
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var position = Math.round(self.options.position);
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self.$positionMarker.css({
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left: (position % self.options.width) - 1 + 'px',
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top: (parseInt(position / self.options.width) *
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(self.height + self.margin) + 2) + 'px'
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});
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}
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function setResults() {
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self.$image.options({results: self.options.results});
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updateTimelines();
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}
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function setWidth() {
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self.lines = getLines();
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setCSS();
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Ox.loop(self.lines, function(i) {
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if (self.$lines[i]) {
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self.$lines[i].css({
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width: self.options.width + 'px'
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});
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self.$images[i].css({
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marginLeft: (-i * self.options.width) + 'px'
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});
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self.$interfaces[i].css({
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marginLeft: (-i * self.options.width) + 'px'
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});
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} else {
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addLine(i);
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}
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});
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while (self.$lines.length > self.lines) {
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self.$lines[self.$lines.length - 1].remove();
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self.$lines.pop();
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self.$images.pop();
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}
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setPositionMarker();
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if (self.options.showPointMarkers) {
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setPointMarker('in');
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setPointMarker('out');
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}
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}
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function updateTimelines() {
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self.$lines.forEach(function($line, i) {
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$($line.children()[0]).replaceWith(
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self.$images[i] = self.$image.clone()
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.css({
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position: 'absolute',
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marginLeft: (-i * self.options.width) + 'px'
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})
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);
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});
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}
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self.setOption = function(key, value) {
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if (key == 'in' || key == 'out') {
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self.options.showPointMarkers && setPoint(key);
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} else if (key == 'position') {
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setPositionMarker();
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} else if (key == 'results') {
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setResults();
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} else if (key == 'width') {
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setWidth();
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}
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};
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return that;
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};
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