oxjs/source/UI/js/Video/BlockVideoTimeline.js
j f043242640 add some touch support
- fire touch(start|move|end) events after adding clinetX/Y
- use touch events in video and timeline widgets
- use touchstart to select item in ArrayEditable
2016-07-27 21:55:34 +02:00

342 lines
10 KiB
JavaScript

'use strict';
/*@
Ox.BlockVideoTimeline <f> Block Video Timeline
options <o> Options
self <o> Shared private variable
([options[, self]]) -> <o:Ox.Element> Block Video Timeline
edit <!> edit
select <!> select
position <!> position
@*/
Ox.BlockVideoTimeline = function(options, self) {
self = self || {};
var that = Ox.Element({}, self)
.defaults({
duration: 0,
find: '',
getImageURL: null,
'in': 0,
out: 0,
position: 0,
results: [],
showPointMarkers: false,
state: 'default',
subtitles: [],
type: '',
width: 0
})
.options(options || {})
.update({
'in': function() {
self.options.showPointMarkers && setPoint('in');
},
out: function() {
self.options.showPointMarkers && setPoint('out');
},
position: setPositionMarker,
results: setResults,
subtitles: setSubtitles,
state: setState,
type: setType,
width: setWidth
})
.addClass('OxBlockVideoTimeline')
.css({
position: 'absolute'
})
.on({
mousedown: mousedown,
mouseleave: mouseleave,
mousemove: mousemove
})
.bindEvent({
doubleclick: doubleclick,
drag: function(data) {
mousedown(data);
},
touchmove: mousedown,
touchstart: mousedown
});
self.$images = [];
self.$interfaces = [];
self.$lines = [];
self.$tooltip = Ox.Tooltip({
animate: false
})
.css({
textAlign: 'center'
});
self.height = 16;
self.lines = getLines();
self.margin = 8;
setCSS();
self.$image = getImage();
Ox.loop(self.lines, function(i) {
addLine(i);
});
self.$positionMarker = Ox.$('<img>')
.attr({
src: Ox.UI.getImageURL('markerPosition')
})
.addClass('OxMarkerPosition')
.appendTo(that);
setPositionMarker();
if (self.options.showPointMarkers) {
self.$pointMarker = {};
['in', 'out'].forEach(function(point) {
var titlecase = Ox.toTitleCase(point);
self.$pointMarker[point] = Ox.$('<img>')
.addClass('OxMarkerPoint' + titlecase)
.attr({
src: Ox.UI.getImageURL('marker' + titlecase)
})
.appendTo(that);
setPointMarker(point);
});
}
function addLine(i) {
self.$lines[i] = Ox.$('<div>')
.css({
position: 'absolute',
left: self.margin / 2 + 'px',
top: i * (self.height + self.margin) + 'px',
width: self.options.width + 'px',
height: '24px',
overflow: 'hidden'
})
.appendTo(that);
self.$images[i] = self.$image.clone()
.css({
position: 'absolute',
marginLeft: -i * self.options.width + 'px'
})
.appendTo(self.$lines[i]);
self.$interfaces[i] = Ox.$('<div>')
// OxTarget and OxSpecialTarget are needed for InfoList
.addClass('OxInterface OxTarget OxSpecialTarget')
.css({
top: '2px',
width: Math.round(self.options.duration) + 'px',
height: '20px',
marginLeft: -i * self.options.width + 'px'
//background: 'rgba(255, 0, 0, 0.1)',
})
.appendTo(self.$lines[i]);
}
function doubleclick(e) {
var position;
if ($(e.target).is('.OxInterface')) {
position = getPosition(e);
if (
self.options.state == 'selected'
&& position >= self.options['in']
&& position <= self.options.out
) {
that.triggerEvent('edit');
} else if (self.options.state != 'editing') {
that.triggerEvent('select');
}
}
}
function getImage() {
return Ox.SmallVideoTimelineImage({
duration: self.options.duration,
editing: self.options.editing,
imageURL: self.options.getImageURL,
'in': self.options['in'],
mode: 'editor',
out: self.options.out,
results: self.options.results,
state: self.options.state,
subtitles: Ox.clone(self.options.subtitles, true),
type: self.options.type,
width: Math.round(self.options.duration)
}).bindEvent({
loaded: updateTimelines
});
}
function getLines() {
return Math.ceil(self.options.duration / self.options.width);
}
function getPosition(e) {
// FIXME: this might still be broken in opera according to
// http://acko.net/blog/mouse-handling-and-absolute-positions-in-javascript
return e.offsetX ? e.offsetX
: e.clientX - $(e.target).offset().left;
}
function getSubtitle(position) {
var subtitle = '';
Ox.forEach(self.options.subtitles, function(v) {
if (v['in'] <= position && v.out > position) {
subtitle = v;
return false; // break
}
});
return subtitle;
}
function getTooltip(e) {
}
function mousedown(e) {
if ($(e.target).is('.OxInterface')) {
self.options.position = getPosition(e);
setPositionMarker();
// fixme: check if this pattern is better
// than the one used for list selection
if (!self.triggered) {
that.triggerEvent('position', {
position: self.options.position
});
self.triggered = true;
setTimeout(function() {
self.triggered = false;
}, 250);
}
}
}
function mouseleave() {
self.$tooltip.hide();
}
function mousemove(e) {
var position, subtitle;
if ($(e.target).is('.OxInterface')) {
position = getPosition(e);
subtitle = getSubtitle(position);
self.$tooltip.options({
title: subtitle
? '<span class=\'OxBright\'>' + Ox.highlight(
subtitle.text, self.options.find, 'OxHighlight', true
).replace(/\n/g, ' ') + '</span><br/>'
+ Ox.formatDuration(subtitle['in'], 3) + ' - '
+ Ox.formatDuration(subtitle['out'], 3)
: Ox.formatDuration(position)
})
.show(e.clientX, e.clientY);
} else {
self.$tooltip.hide();
}
}
function setCSS() {
that.css({
width: (self.options.width + self.margin) + 'px',
height: ((self.height + self.margin) * self.lines) + 4 + 'px'
// fixme: the + 4 represent the margin-bottom in the video editor
// is there a better way to get a proper margin-bottom?
});
}
function setPoint(point) {
setPointMarker(point);
self.$image.options(point, self.options[point]);
updateTimelines();
}
function setPointMarker(point) {
var position = Math.round(self.options[point]);
self.$pointMarker[point].css({
left: (position % self.options.width) + 'px',
top: (Math.floor(position / self.options.width) *
(self.height + self.margin) + 15) + 'px'
});
}
function setPositionMarker() {
var position = Math.round(self.options.position);
self.$positionMarker.css({
left: (position % self.options.width) - 1 + 'px',
top: (Math.floor(position / self.options.width) *
(self.height + self.margin) + 2) + 'px'
});
}
function setResults() {
self.$image.options({results: self.options.results});
updateTimelines();
}
function setState() {
self.$image.options({state: self.options.state});
updateTimelines();
}
function setSubtitles() {
self.$image.options({subtitles: Ox.clone(self.options.subtitles, true)});
updateTimelines();
}
function setType() {
self.$image = getImage();
self.$images.forEach(function($image, i) {
self.$images[i].replaceWith(
self.$images[i] = self.$image.clone()
.css({
position: 'absolute',
marginLeft: -i * self.options.width + 'px'
})
);
});
}
function setWidth() {
self.lines = getLines();
setCSS();
Ox.loop(self.lines, function(i) {
if (self.$lines[i]) {
self.$lines[i].css({
width: self.options.width + 'px'
});
self.$images[i].css({
marginLeft: (-i * self.options.width) + 'px'
});
self.$interfaces[i].css({
marginLeft: (-i * self.options.width) + 'px'
});
} else {
addLine(i);
}
});
while (self.$lines.length > self.lines) {
self.$lines[self.$lines.length - 1].remove();
self.$lines.pop();
self.$images.pop();
}
setPositionMarker();
if (self.options.showPointMarkers) {
setPointMarker('in');
setPointMarker('out');
}
}
function updateTimelines() {
self.$lines.forEach(function($line, i) {
$($line.children()[0]).replaceWith(
self.$images[i] = self.$image.clone().css({
position: 'absolute',
marginLeft: (-i * self.options.width) + 'px'
})
);
});
}
return that;
};