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.
440 lines
13 KiB
440 lines
13 KiB
var Emitter = require('emitter-component');
|
|
var Hammer = require('../module/hammer');
|
|
var util = require('../util');
|
|
var DataSet = require('../DataSet');
|
|
var DataView = require('../DataView');
|
|
var Range = require('./Range');
|
|
var Core = require('./Core');
|
|
var TimeAxis = require('./component/TimeAxis');
|
|
var CurrentTime = require('./component/CurrentTime');
|
|
var CustomTime = require('./component/CustomTime');
|
|
var ItemSet = require('./component/ItemSet');
|
|
|
|
var Configurator = require('../shared/Configurator');
|
|
var Validator = require('../shared/Validator').default;
|
|
var printStyle = require('../shared/Validator').printStyle;
|
|
var allOptions = require('./optionsTimeline').allOptions;
|
|
var configureOptions = require('./optionsTimeline').configureOptions;
|
|
|
|
/**
|
|
* Create a timeline visualization
|
|
* @param {HTMLElement} container
|
|
* @param {vis.DataSet | vis.DataView | Array} [items]
|
|
* @param {vis.DataSet | vis.DataView | Array} [groups]
|
|
* @param {Object} [options] See Timeline.setOptions for the available options.
|
|
* @constructor
|
|
* @extends Core
|
|
*/
|
|
function Timeline (container, items, groups, options) {
|
|
if (!(this instanceof Timeline)) {
|
|
throw new SyntaxError('Constructor must be called with the new operator');
|
|
}
|
|
|
|
// if the third element is options, the forth is groups (optionally);
|
|
if (!(Array.isArray(groups) || groups instanceof DataSet || groups instanceof DataView) && groups instanceof Object) {
|
|
var forthArgument = options;
|
|
options = groups;
|
|
groups = forthArgument;
|
|
}
|
|
|
|
var me = this;
|
|
this.defaultOptions = {
|
|
start: null,
|
|
end: null,
|
|
|
|
autoResize: true,
|
|
|
|
orientation: {
|
|
axis: 'bottom', // axis orientation: 'bottom', 'top', or 'both'
|
|
item: 'bottom' // not relevant
|
|
},
|
|
|
|
width: null,
|
|
height: null,
|
|
maxHeight: null,
|
|
minHeight: null
|
|
};
|
|
this.options = util.deepExtend({}, this.defaultOptions);
|
|
|
|
// Create the DOM, props, and emitter
|
|
this._create(container);
|
|
|
|
// all components listed here will be repainted automatically
|
|
this.components = [];
|
|
|
|
this.body = {
|
|
dom: this.dom,
|
|
domProps: this.props,
|
|
emitter: {
|
|
on: this.on.bind(this),
|
|
off: this.off.bind(this),
|
|
emit: this.emit.bind(this)
|
|
},
|
|
hiddenDates: [],
|
|
util: {
|
|
getScale: function () {
|
|
return me.timeAxis.step.scale;
|
|
},
|
|
getStep: function () {
|
|
return me.timeAxis.step.step;
|
|
},
|
|
|
|
toScreen: me._toScreen.bind(me),
|
|
toGlobalScreen: me._toGlobalScreen.bind(me), // this refers to the root.width
|
|
toTime: me._toTime.bind(me),
|
|
toGlobalTime : me._toGlobalTime.bind(me)
|
|
}
|
|
};
|
|
|
|
// range
|
|
this.range = new Range(this.body);
|
|
this.components.push(this.range);
|
|
this.body.range = this.range;
|
|
|
|
// time axis
|
|
this.timeAxis = new TimeAxis(this.body);
|
|
this.timeAxis2 = null; // used in case of orientation option 'both'
|
|
this.components.push(this.timeAxis);
|
|
|
|
// current time bar
|
|
this.currentTime = new CurrentTime(this.body);
|
|
this.components.push(this.currentTime);
|
|
|
|
// item set
|
|
this.itemSet = new ItemSet(this.body);
|
|
this.components.push(this.itemSet);
|
|
|
|
this.itemsData = null; // DataSet
|
|
this.groupsData = null; // DataSet
|
|
|
|
this.on('tap', function (event) {
|
|
me.emit('click', me.getEventProperties(event))
|
|
});
|
|
this.on('doubletap', function (event) {
|
|
me.emit('doubleClick', me.getEventProperties(event))
|
|
});
|
|
this.dom.root.oncontextmenu = function (event) {
|
|
me.emit('contextmenu', me.getEventProperties(event))
|
|
};
|
|
|
|
// setup configuration system
|
|
this.configurator = new Configurator(this, container, configureOptions);
|
|
|
|
// apply options
|
|
if (options) {
|
|
this.setOptions(options);
|
|
}
|
|
|
|
// IMPORTANT: THIS HAPPENS BEFORE SET ITEMS!
|
|
if (groups) {
|
|
this.setGroups(groups);
|
|
}
|
|
|
|
// create itemset
|
|
if (items) {
|
|
this.setItems(items);
|
|
}
|
|
else {
|
|
this._redraw();
|
|
}
|
|
}
|
|
|
|
// Extend the functionality from Core
|
|
Timeline.prototype = new Core();
|
|
|
|
/**
|
|
* Force a redraw. The size of all items will be recalculated.
|
|
* Can be useful to manually redraw when option autoResize=false and the window
|
|
* has been resized, or when the items CSS has been changed.
|
|
*/
|
|
Timeline.prototype.redraw = function() {
|
|
this.itemSet && this.itemSet.markDirty({refreshItems: true});
|
|
this._redraw();
|
|
};
|
|
|
|
Timeline.prototype.setOptions = function (options) {
|
|
// validate options
|
|
let errorFound = Validator.validate(options, allOptions);
|
|
if (errorFound === true) {
|
|
console.log('%cErrors have been found in the supplied options object.', printStyle);
|
|
}
|
|
|
|
Core.prototype.setOptions.call(this, options);
|
|
|
|
if ('type' in options) {
|
|
if (options.type !== this.options.type) {
|
|
this.options.type = options.type;
|
|
|
|
// force recreation of all items
|
|
var itemsData = this.itemsData;
|
|
if (itemsData) {
|
|
var selection = this.getSelection();
|
|
this.setItems(null); // remove all
|
|
this.setItems(itemsData); // add all
|
|
this.setSelection(selection); // restore selection
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Set items
|
|
* @param {vis.DataSet | Array | null} items
|
|
*/
|
|
Timeline.prototype.setItems = function(items) {
|
|
var initialLoad = (this.itemsData == null);
|
|
|
|
// convert to type DataSet when needed
|
|
var newDataSet;
|
|
if (!items) {
|
|
newDataSet = null;
|
|
}
|
|
else if (items instanceof DataSet || items instanceof DataView) {
|
|
newDataSet = items;
|
|
}
|
|
else {
|
|
// turn an array into a dataset
|
|
newDataSet = new DataSet(items, {
|
|
type: {
|
|
start: 'Date',
|
|
end: 'Date'
|
|
}
|
|
});
|
|
}
|
|
|
|
// set items
|
|
this.itemsData = newDataSet;
|
|
this.itemSet && this.itemSet.setItems(newDataSet);
|
|
|
|
if (initialLoad) {
|
|
if (this.options.start != undefined || this.options.end != undefined) {
|
|
if (this.options.start == undefined || this.options.end == undefined) {
|
|
var dataRange = this._getDataRange();
|
|
}
|
|
|
|
var start = this.options.start != undefined ? this.options.start : dataRange.start;
|
|
var end = this.options.end != undefined ? this.options.end : dataRange.end;
|
|
|
|
this.setWindow(start, end, {animation: false});
|
|
}
|
|
else {
|
|
// call fit twice as
|
|
this.fit({animation: false});
|
|
this.fit({animation: false});
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Set groups
|
|
* @param {vis.DataSet | Array} groups
|
|
*/
|
|
Timeline.prototype.setGroups = function(groups) {
|
|
// convert to type DataSet when needed
|
|
var newDataSet;
|
|
if (!groups) {
|
|
newDataSet = null;
|
|
}
|
|
else if (groups instanceof DataSet || groups instanceof DataView) {
|
|
newDataSet = groups;
|
|
}
|
|
else {
|
|
// turn an array into a dataset
|
|
newDataSet = new DataSet(groups);
|
|
}
|
|
|
|
this.groupsData = newDataSet;
|
|
this.itemSet.setGroups(newDataSet);
|
|
};
|
|
|
|
/**
|
|
* Set both items and groups in one go
|
|
* @param {{items: Array | vis.DataSet, groups: Array | vis.DataSet}} data
|
|
*/
|
|
Timeline.prototype.setData = function (data) {
|
|
if (data && data.groups) {
|
|
this.setGroups(data.groups);
|
|
}
|
|
|
|
if (data && data.items) {
|
|
this.setItems(data.items);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Set selected items by their id. Replaces the current selection
|
|
* Unknown id's are silently ignored.
|
|
* @param {string[] | string} [ids] An array with zero or more id's of the items to be
|
|
* selected. If ids is an empty array, all items will be
|
|
* unselected.
|
|
* @param {Object} [options] Available options:
|
|
* `focus: boolean`
|
|
* If true, focus will be set to the selected item(s)
|
|
* `animation: boolean | {duration: number, easingFunction: string}`
|
|
* If true (default), the range is animated
|
|
* smoothly to the new window. An object can be
|
|
* provided to specify duration and easing function.
|
|
* Default duration is 500 ms, and default easing
|
|
* function is 'easeInOutQuad'.
|
|
* Only applicable when option focus is true.
|
|
*/
|
|
Timeline.prototype.setSelection = function(ids, options) {
|
|
this.itemSet && this.itemSet.setSelection(ids);
|
|
|
|
if (options && options.focus) {
|
|
this.focus(ids, options);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Get the selected items by their id
|
|
* @return {Array} ids The ids of the selected items
|
|
*/
|
|
Timeline.prototype.getSelection = function() {
|
|
return this.itemSet && this.itemSet.getSelection() || [];
|
|
};
|
|
|
|
/**
|
|
* Adjust the visible window such that the selected item (or multiple items)
|
|
* are centered on screen.
|
|
* @param {String | String[]} id An item id or array with item ids
|
|
* @param {Object} [options] Available options:
|
|
* `animation: boolean | {duration: number, easingFunction: string}`
|
|
* If true (default), the range is animated
|
|
* smoothly to the new window. An object can be
|
|
* provided to specify duration and easing function.
|
|
* Default duration is 500 ms, and default easing
|
|
* function is 'easeInOutQuad'.
|
|
*/
|
|
Timeline.prototype.focus = function(id, options) {
|
|
if (!this.itemsData || id == undefined) return;
|
|
|
|
var ids = Array.isArray(id) ? id : [id];
|
|
|
|
// get the specified item(s)
|
|
var itemsData = this.itemsData.getDataSet().get(ids, {
|
|
type: {
|
|
start: 'Date',
|
|
end: 'Date'
|
|
}
|
|
});
|
|
|
|
// calculate minimum start and maximum end of specified items
|
|
var start = null;
|
|
var end = null;
|
|
itemsData.forEach(function (itemData) {
|
|
var s = itemData.start.valueOf();
|
|
var e = 'end' in itemData ? itemData.end.valueOf() : itemData.start.valueOf();
|
|
|
|
if (start === null || s < start) {
|
|
start = s;
|
|
}
|
|
|
|
if (end === null || e > end) {
|
|
end = e;
|
|
}
|
|
});
|
|
|
|
if (start !== null && end !== null) {
|
|
// calculate the new middle and interval for the window
|
|
var middle = (start + end) / 2;
|
|
var interval = Math.max((this.range.end - this.range.start), (end - start) * 1.1);
|
|
|
|
var animation = (options && options.animation !== undefined) ? options.animation : true;
|
|
this.range.setRange(middle - interval / 2, middle + interval / 2, animation);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Get the data range of the item set.
|
|
* @returns {{min: Date, max: Date}} range A range with a start and end Date.
|
|
* When no minimum is found, min==null
|
|
* When no maximum is found, max==null
|
|
*/
|
|
Timeline.prototype.getItemRange = function() {
|
|
var min = null;
|
|
var max = null;
|
|
var minId = null;
|
|
var maxId = null;
|
|
|
|
var dataset = this.itemsData && this.itemsData.getDataSet();
|
|
if (dataset) {
|
|
var fieldId = dataset._fieldId;
|
|
|
|
dataset.forEach(function (item) {
|
|
var start = util.convert(item.start, 'Date').valueOf();
|
|
var end = util.convert(item.end != undefined ? item.end : item.start, 'Date').valueOf();
|
|
if (min === null || start < min) {
|
|
min = start;
|
|
minId = item[fieldId];
|
|
}
|
|
if (max === null || end > max) {
|
|
max = start;
|
|
maxId = item[fieldId];
|
|
}
|
|
});
|
|
}
|
|
|
|
var minItem = this.itemSet.items[minId];
|
|
var maxItem = this.itemSet.items[maxId];
|
|
if (minItem && minItem.width && maxItem && maxItem.width) {
|
|
var left = minItem.left;
|
|
var right = maxItem.left + maxItem.width;
|
|
|
|
min = this._toTime(left - 10);
|
|
max = this._toTime(right + 10);
|
|
}
|
|
|
|
return {
|
|
min: (min != null) ? new Date(min) : null,
|
|
max: (max != null) ? new Date(max) : null
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Generate Timeline related information from an event
|
|
* @param {Event} event
|
|
* @return {Object} An object with related information, like on which area
|
|
* The event happened, whether clicked on an item, etc.
|
|
*/
|
|
Timeline.prototype.getEventProperties = function (event) {
|
|
var clientX = event.center ? event.center.x : event.clientX;
|
|
var clientY = event.center ? event.center.y : event.clientY;
|
|
var x = clientX - util.getAbsoluteLeft(this.dom.centerContainer);
|
|
var y = clientY - util.getAbsoluteTop(this.dom.centerContainer);
|
|
|
|
var item = this.itemSet.itemFromTarget(event);
|
|
var group = this.itemSet.groupFromTarget(event);
|
|
var customTime = CustomTime.customTimeFromTarget(event);
|
|
|
|
var snap = this.itemSet.options.snap || null;
|
|
var scale = this.body.util.getScale();
|
|
var step = this.body.util.getStep();
|
|
var time = this._toTime(x);
|
|
var snappedTime = snap ? snap(time, scale, step) : time;
|
|
|
|
var element = util.getTarget(event);
|
|
var what = null;
|
|
if (item != null) {what = 'item';}
|
|
else if (customTime != null) {what = 'custom-time';}
|
|
else if (util.hasParent(element, this.timeAxis.dom.foreground)) {what = 'axis';}
|
|
else if (this.timeAxis2 && util.hasParent(element, this.timeAxis2.dom.foreground)) {what = 'axis';}
|
|
else if (util.hasParent(element, this.itemSet.dom.labelSet)) {what = 'group-label';}
|
|
else if (util.hasParent(element, this.currentTime.bar)) {what = 'current-time';}
|
|
else if (util.hasParent(element, this.dom.center)) {what = 'background';}
|
|
|
|
return {
|
|
event: event,
|
|
item: item ? item.id : null,
|
|
group: group ? group.groupId : null,
|
|
what: what,
|
|
pageX: event.srcEvent ? event.srcEvent.pageX : event.pageX,
|
|
pageY: event.srcEvent ? event.srcEvent.pageY : event.pageY,
|
|
x: x,
|
|
y: y,
|
|
time: time,
|
|
snappedTime: snappedTime
|
|
}
|
|
};
|
|
|
|
module.exports = Timeline;
|