You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
188 lines
4.3 KiB
188 lines
4.3 KiB
var Hammer = require('../../module/hammer');
|
|
var util = require('../../util');
|
|
var Component = require('./Component');
|
|
|
|
/**
|
|
* A custom time bar
|
|
* @param {{range: Range, dom: Object}} body
|
|
* @param {Object} [options] Available parameters:
|
|
* {Boolean} [showCustomTime]
|
|
* @constructor CustomTime
|
|
* @extends Component
|
|
*/
|
|
|
|
function CustomTime (body, options) {
|
|
this.body = body;
|
|
|
|
// default options
|
|
this.defaultOptions = {
|
|
showCustomTime: false
|
|
};
|
|
this.options = util.extend({}, this.defaultOptions);
|
|
|
|
this.customTime = new Date();
|
|
this.eventParams = {}; // stores state parameters while dragging the bar
|
|
|
|
// create the DOM
|
|
this._create();
|
|
|
|
this.setOptions(options);
|
|
}
|
|
|
|
CustomTime.prototype = new Component();
|
|
|
|
/**
|
|
* Set options for the component. Options will be merged in current options.
|
|
* @param {Object} options Available parameters:
|
|
* {boolean} [showCustomTime]
|
|
*/
|
|
CustomTime.prototype.setOptions = function(options) {
|
|
if (options) {
|
|
// copy all options that we know
|
|
util.selectiveExtend(['showCustomTime'], this.options, options);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Create the DOM for the custom time
|
|
* @private
|
|
*/
|
|
CustomTime.prototype._create = function() {
|
|
var bar = document.createElement('div');
|
|
bar.className = 'customtime';
|
|
bar.style.position = 'absolute';
|
|
bar.style.top = '0px';
|
|
bar.style.height = '100%';
|
|
this.bar = bar;
|
|
|
|
var drag = document.createElement('div');
|
|
drag.style.position = 'relative';
|
|
drag.style.top = '0px';
|
|
drag.style.left = '-10px';
|
|
drag.style.height = '100%';
|
|
drag.style.width = '20px';
|
|
bar.appendChild(drag);
|
|
|
|
// attach event listeners
|
|
this.hammer = Hammer(bar, {
|
|
prevent_default: true
|
|
});
|
|
this.hammer.on('dragstart', this._onDragStart.bind(this));
|
|
this.hammer.on('drag', this._onDrag.bind(this));
|
|
this.hammer.on('dragend', this._onDragEnd.bind(this));
|
|
};
|
|
|
|
/**
|
|
* Destroy the CustomTime bar
|
|
*/
|
|
CustomTime.prototype.destroy = function () {
|
|
this.options.showCustomTime = false;
|
|
this.redraw(); // will remove the bar from the DOM
|
|
|
|
this.hammer.enable(false);
|
|
this.hammer = null;
|
|
|
|
this.body = null;
|
|
};
|
|
|
|
/**
|
|
* Repaint the component
|
|
* @return {boolean} Returns true if the component is resized
|
|
*/
|
|
CustomTime.prototype.redraw = function () {
|
|
if (this.options.showCustomTime) {
|
|
var parent = this.body.dom.backgroundVertical;
|
|
if (this.bar.parentNode != parent) {
|
|
// attach to the dom
|
|
if (this.bar.parentNode) {
|
|
this.bar.parentNode.removeChild(this.bar);
|
|
}
|
|
parent.appendChild(this.bar);
|
|
}
|
|
|
|
var x = this.body.util.toScreen(this.customTime);
|
|
|
|
this.bar.style.left = x + 'px';
|
|
this.bar.title = 'Time: ' + this.customTime;
|
|
}
|
|
else {
|
|
// remove the line from the DOM
|
|
if (this.bar.parentNode) {
|
|
this.bar.parentNode.removeChild(this.bar);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Set custom time.
|
|
* @param {Date} time
|
|
*/
|
|
CustomTime.prototype.setCustomTime = function(time) {
|
|
this.customTime = new Date(time.valueOf());
|
|
this.redraw();
|
|
};
|
|
|
|
/**
|
|
* Retrieve the current custom time.
|
|
* @return {Date} customTime
|
|
*/
|
|
CustomTime.prototype.getCustomTime = function() {
|
|
return new Date(this.customTime.valueOf());
|
|
};
|
|
|
|
/**
|
|
* Start moving horizontally
|
|
* @param {Event} event
|
|
* @private
|
|
*/
|
|
CustomTime.prototype._onDragStart = function(event) {
|
|
this.eventParams.dragging = true;
|
|
this.eventParams.customTime = this.customTime;
|
|
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
};
|
|
|
|
/**
|
|
* Perform moving operating.
|
|
* @param {Event} event
|
|
* @private
|
|
*/
|
|
CustomTime.prototype._onDrag = function (event) {
|
|
if (!this.eventParams.dragging) return;
|
|
|
|
var deltaX = event.gesture.deltaX,
|
|
x = this.body.util.toScreen(this.eventParams.customTime) + deltaX,
|
|
time = this.body.util.toTime(x);
|
|
|
|
this.setCustomTime(time);
|
|
|
|
// fire a timechange event
|
|
this.body.emitter.emit('timechange', {
|
|
time: new Date(this.customTime.valueOf())
|
|
});
|
|
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
};
|
|
|
|
/**
|
|
* Stop moving operating.
|
|
* @param {event} event
|
|
* @private
|
|
*/
|
|
CustomTime.prototype._onDragEnd = function (event) {
|
|
if (!this.eventParams.dragging) return;
|
|
|
|
// fire a timechanged event
|
|
this.body.emitter.emit('timechanged', {
|
|
time: new Date(this.customTime.valueOf())
|
|
});
|
|
|
|
event.stopPropagation();
|
|
event.preventDefault();
|
|
};
|
|
|
|
module.exports = CustomTime;
|