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.
503 lines
15 KiB
503 lines
15 KiB
var Hammer = require('../../../module/hammer');
|
|
var util = require('../../../util');
|
|
var moment = require('../../../module/moment');
|
|
|
|
|
|
/**
|
|
* @constructor Item
|
|
* @param {Object} data Object containing (optional) parameters type,
|
|
* start, end, content, group, className.
|
|
* @param {{toScreen: function, toTime: function}} conversion
|
|
* Conversion functions from time to screen and vice versa
|
|
* @param {Object} options Configuration options
|
|
* // TODO: describe available options
|
|
*/
|
|
function Item (data, conversion, options) {
|
|
this.id = null;
|
|
this.parent = null;
|
|
this.data = data;
|
|
this.dom = null;
|
|
this.conversion = conversion || {};
|
|
this.options = options || {};
|
|
this.selected = false;
|
|
this.displayed = false;
|
|
this.groupShowing = true;
|
|
this.dirty = true;
|
|
|
|
this.top = null;
|
|
this.right = null;
|
|
this.left = null;
|
|
this.width = null;
|
|
this.height = null;
|
|
|
|
this.editable = null;
|
|
this._updateEditStatus();
|
|
}
|
|
|
|
Item.prototype.stack = true;
|
|
|
|
/**
|
|
* Select current item
|
|
*/
|
|
Item.prototype.select = function() {
|
|
this.selected = true;
|
|
this.dirty = true;
|
|
if (this.displayed) this.redraw();
|
|
};
|
|
|
|
/**
|
|
* Unselect current item
|
|
*/
|
|
Item.prototype.unselect = function() {
|
|
this.selected = false;
|
|
this.dirty = true;
|
|
if (this.displayed) this.redraw();
|
|
};
|
|
|
|
/**
|
|
* Set data for the item. Existing data will be updated. The id should not
|
|
* be changed. When the item is displayed, it will be redrawn immediately.
|
|
* @param {Object} data
|
|
*/
|
|
Item.prototype.setData = function(data) {
|
|
var groupChanged = data.group != undefined && this.data.group != data.group;
|
|
if (groupChanged && this.parent != null) {
|
|
this.parent.itemSet._moveToGroup(this, data.group);
|
|
}
|
|
|
|
var subGroupChanged = data.subgroup != undefined && this.data.subgroup != data.subgroup;
|
|
if (subGroupChanged && this.parent != null) {
|
|
this.parent.changeSubgroup(this, this.data.subgroup, data.subgroup);
|
|
}
|
|
|
|
this.data = data;
|
|
this._updateEditStatus();
|
|
this.dirty = true;
|
|
if (this.displayed) this.redraw();
|
|
};
|
|
|
|
/**
|
|
* Set a parent for the item
|
|
* @param {ItemSet | Group} parent
|
|
*/
|
|
Item.prototype.setParent = function(parent) {
|
|
if (this.displayed) {
|
|
this.hide();
|
|
this.parent = parent;
|
|
if (this.parent) {
|
|
this.show();
|
|
}
|
|
}
|
|
else {
|
|
this.parent = parent;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Check whether this item is visible inside given range
|
|
* @returns {{start: Number, end: Number}} range with a timestamp for start and end
|
|
* @returns {boolean} True if visible
|
|
*/
|
|
Item.prototype.isVisible = function(range) {
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Show the Item in the DOM (when not already visible)
|
|
* @return {Boolean} changed
|
|
*/
|
|
Item.prototype.show = function() {
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Hide the Item from the DOM (when visible)
|
|
* @return {Boolean} changed
|
|
*/
|
|
Item.prototype.hide = function() {
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Repaint the item
|
|
*/
|
|
Item.prototype.redraw = function() {
|
|
// should be implemented by the item
|
|
};
|
|
|
|
/**
|
|
* Reposition the Item horizontally
|
|
*/
|
|
Item.prototype.repositionX = function() {
|
|
// should be implemented by the item
|
|
};
|
|
|
|
/**
|
|
* Reposition the Item vertically
|
|
*/
|
|
Item.prototype.repositionY = function() {
|
|
// should be implemented by the item
|
|
};
|
|
|
|
/**
|
|
* Repaint a drag area on the center of the item when the item is selected
|
|
* @protected
|
|
*/
|
|
Item.prototype._repaintDragCenter = function () {
|
|
if (this.selected && this.options.editable.updateTime && !this.dom.dragCenter) {
|
|
var me = this;
|
|
|
|
// create and show drag area
|
|
var dragCenter = document.createElement('div');
|
|
dragCenter.className = 'vis-drag-center';
|
|
dragCenter.dragCenterItem = this;
|
|
|
|
new Hammer(dragCenter).on('doubletap', function (event) {
|
|
event.stopPropagation();
|
|
me.parent.itemSet._onUpdateItem(me);
|
|
});
|
|
|
|
if (this.dom.box) {
|
|
this.dom.box.appendChild(dragCenter);
|
|
}
|
|
else if (this.dom.point) {
|
|
this.dom.point.appendChild(dragCenter);
|
|
}
|
|
|
|
this.dom.dragCenter = dragCenter;
|
|
}
|
|
else if (!this.selected && this.dom.dragCenter) {
|
|
// delete drag area
|
|
if (this.dom.dragCenter.parentNode) {
|
|
this.dom.dragCenter.parentNode.removeChild(this.dom.dragCenter);
|
|
}
|
|
this.dom.dragCenter = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Repaint a delete button on the top right of the item when the item is selected
|
|
* @param {HTMLElement} anchor
|
|
* @protected
|
|
*/
|
|
Item.prototype._repaintDeleteButton = function (anchor) {
|
|
var editable = ((this.options.editable.overrideItems || this.editable == null) && this.options.editable.remove) ||
|
|
(!this.options.editable.overrideItems && this.editable != null && this.editable.remove);
|
|
|
|
if (this.selected && editable && !this.dom.deleteButton) {
|
|
// create and show button
|
|
var me = this;
|
|
|
|
var deleteButton = document.createElement('div');
|
|
|
|
if (this.options.rtl) {
|
|
deleteButton.className = 'vis-delete-rtl';
|
|
} else {
|
|
deleteButton.className = 'vis-delete';
|
|
}
|
|
deleteButton.title = 'Delete this item';
|
|
|
|
// TODO: be able to destroy the delete button
|
|
new Hammer(deleteButton).on('tap', function (event) {
|
|
event.stopPropagation();
|
|
me.parent.removeFromDataSet(me);
|
|
});
|
|
|
|
anchor.appendChild(deleteButton);
|
|
this.dom.deleteButton = deleteButton;
|
|
}
|
|
else if (!this.selected && this.dom.deleteButton) {
|
|
// remove button
|
|
if (this.dom.deleteButton.parentNode) {
|
|
this.dom.deleteButton.parentNode.removeChild(this.dom.deleteButton);
|
|
}
|
|
this.dom.deleteButton = null;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Repaint a onChange tooltip on the top right of the item when the item is selected
|
|
* @param {HTMLElement} anchor
|
|
* @protected
|
|
*/
|
|
Item.prototype._repaintOnItemUpdateTimeTooltip = function (anchor) {
|
|
if (!this.options.tooltipOnItemUpdateTime) return;
|
|
|
|
var editable = (this.options.editable.updateTime ||
|
|
this.data.editable === true) &&
|
|
this.data.editable !== false;
|
|
|
|
if (this.selected && editable && !this.dom.onItemUpdateTimeTooltip) {
|
|
// create and show tooltip
|
|
var me = this;
|
|
|
|
var onItemUpdateTimeTooltip = document.createElement('div');
|
|
|
|
onItemUpdateTimeTooltip.className = 'vis-onUpdateTime-tooltip';
|
|
anchor.appendChild(onItemUpdateTimeTooltip);
|
|
this.dom.onItemUpdateTimeTooltip = onItemUpdateTimeTooltip;
|
|
|
|
} else if (!this.selected && this.dom.onItemUpdateTimeTooltip) {
|
|
// remove button
|
|
if (this.dom.onItemUpdateTimeTooltip.parentNode) {
|
|
this.dom.onItemUpdateTimeTooltip.parentNode.removeChild(this.dom.onItemUpdateTimeTooltip);
|
|
}
|
|
this.dom.onItemUpdateTimeTooltip = null;
|
|
}
|
|
|
|
// position onChange tooltip
|
|
if (this.dom.onItemUpdateTimeTooltip) {
|
|
|
|
// only show when editing
|
|
this.dom.onItemUpdateTimeTooltip.style.visibility = this.parent.itemSet.touchParams.itemIsDragging ? 'visible' : 'hidden';
|
|
|
|
// position relative to item's content
|
|
if (this.options.rtl) {
|
|
this.dom.onItemUpdateTimeTooltip.style.right = this.dom.content.style.right;
|
|
} else {
|
|
this.dom.onItemUpdateTimeTooltip.style.left = this.dom.content.style.left;
|
|
}
|
|
|
|
// position above or below the item depending on the item's position in the window
|
|
var tooltipOffset = 50; // TODO: should be tooltip height (depends on template)
|
|
var scrollTop = this.parent.itemSet.body.domProps.scrollTop;
|
|
|
|
// TODO: this.top for orientation:true is actually the items distance from the bottom...
|
|
// (should be this.bottom)
|
|
var itemDistanceFromTop
|
|
if (this.options.orientation.item == 'top') {
|
|
itemDistanceFromTop = this.top;
|
|
} else {
|
|
itemDistanceFromTop = (this.parent.height - this.top - this.height)
|
|
}
|
|
var isCloseToTop = itemDistanceFromTop + this.parent.top - tooltipOffset < -scrollTop;
|
|
|
|
if (isCloseToTop) {
|
|
this.dom.onItemUpdateTimeTooltip.style.bottom = "";
|
|
this.dom.onItemUpdateTimeTooltip.style.top = this.height + 2 + "px";
|
|
} else {
|
|
this.dom.onItemUpdateTimeTooltip.style.top = "";
|
|
this.dom.onItemUpdateTimeTooltip.style.bottom = this.height + 2 + "px";
|
|
}
|
|
|
|
// handle tooltip content
|
|
var content;
|
|
var templateFunction;
|
|
|
|
if (this.options.tooltipOnItemUpdateTime && this.options.tooltipOnItemUpdateTime.template) {
|
|
templateFunction = this.options.tooltipOnItemUpdateTime.template.bind(this);
|
|
content = templateFunction(this.data);
|
|
} else {
|
|
content = 'start: ' + moment(this.data.start).format('MM/DD/YYYY hh:mm');
|
|
if (this.data.end) {
|
|
content += '<br> end: ' + moment(this.data.end).format('MM/DD/YYYY hh:mm');
|
|
}
|
|
}
|
|
this.dom.onItemUpdateTimeTooltip.innerHTML = content;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* Set HTML contents for the item
|
|
* @param {Element} element HTML element to fill with the contents
|
|
* @private
|
|
*/
|
|
Item.prototype._updateContents = function (element) {
|
|
var content;
|
|
var templateFunction;
|
|
var itemVisibleFrameContent;
|
|
var visibleFrameTemplateFunction;
|
|
var itemData = this.parent.itemSet.itemsData.get(this.id); // get a clone of the data from the dataset
|
|
|
|
var frameElement = this.dom.box || this.dom.point;
|
|
var itemVisibleFrameContentElement = frameElement.getElementsByClassName('vis-item-visible-frame')[0]
|
|
|
|
if (this.options.visibleFrameTemplate) {
|
|
visibleFrameTemplateFunction = this.options.visibleFrameTemplate.bind(this);
|
|
itemVisibleFrameContent = visibleFrameTemplateFunction(itemData, frameElement);
|
|
} else {
|
|
itemVisibleFrameContent = '';
|
|
}
|
|
|
|
if (itemVisibleFrameContentElement) {
|
|
if ((itemVisibleFrameContent instanceof Object) && !(itemVisibleFrameContent instanceof Element)) {
|
|
visibleFrameTemplateFunction(itemData, itemVisibleFrameContentElement)
|
|
} else {
|
|
var changed = this._contentToString(this.itemVisibleFrameContent) !== this._contentToString(itemVisibleFrameContent);
|
|
if (changed) {
|
|
// only replace the content when changed
|
|
if (itemVisibleFrameContent instanceof Element) {
|
|
itemVisibleFrameContentElement.innerHTML = '';
|
|
itemVisibleFrameContentElement.appendChild(itemVisibleFrameContent);
|
|
}
|
|
else if (itemVisibleFrameContent != undefined) {
|
|
itemVisibleFrameContentElement.innerHTML = itemVisibleFrameContent;
|
|
}
|
|
else {
|
|
if (!(this.data.type == 'background' && this.data.content === undefined)) {
|
|
throw new Error('Property "content" missing in item ' + this.id);
|
|
}
|
|
}
|
|
|
|
this.itemVisibleFrameContent = itemVisibleFrameContent;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.options.template) {
|
|
templateFunction = this.options.template.bind(this);
|
|
content = templateFunction(itemData, element, this.data);
|
|
} else {
|
|
content = this.data.content;
|
|
}
|
|
|
|
if ((content instanceof Object) && !(content instanceof Element)) {
|
|
templateFunction(itemData, element)
|
|
} else {
|
|
var changed = this._contentToString(this.content) !== this._contentToString(content);
|
|
if (changed) {
|
|
// only replace the content when changed
|
|
if (content instanceof Element) {
|
|
element.innerHTML = '';
|
|
element.appendChild(content);
|
|
}
|
|
else if (content != undefined) {
|
|
element.innerHTML = content;
|
|
}
|
|
else {
|
|
if (!(this.data.type == 'background' && this.data.content === undefined)) {
|
|
throw new Error('Property "content" missing in item ' + this.id);
|
|
}
|
|
}
|
|
|
|
this.content = content;
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Process dataAttributes timeline option and set as data- attributes on dom.content
|
|
* @param {Element} element HTML element to which the attributes will be attached
|
|
* @private
|
|
*/
|
|
Item.prototype._updateDataAttributes = function(element) {
|
|
if (this.options.dataAttributes && this.options.dataAttributes.length > 0) {
|
|
var attributes = [];
|
|
|
|
if (Array.isArray(this.options.dataAttributes)) {
|
|
attributes = this.options.dataAttributes;
|
|
}
|
|
else if (this.options.dataAttributes == 'all') {
|
|
attributes = Object.keys(this.data);
|
|
}
|
|
else {
|
|
return;
|
|
}
|
|
|
|
for (var i = 0; i < attributes.length; i++) {
|
|
var name = attributes[i];
|
|
var value = this.data[name];
|
|
|
|
if (value != null) {
|
|
element.setAttribute('data-' + name, value);
|
|
}
|
|
else {
|
|
element.removeAttribute('data-' + name);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Update custom styles of the element
|
|
* @param element
|
|
* @private
|
|
*/
|
|
Item.prototype._updateStyle = function(element) {
|
|
// remove old styles
|
|
if (this.style) {
|
|
util.removeCssText(element, this.style);
|
|
this.style = null;
|
|
}
|
|
|
|
// append new styles
|
|
if (this.data.style) {
|
|
util.addCssText(element, this.data.style);
|
|
this.style = this.data.style;
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* Stringify the items contents
|
|
* @param {string | Element | undefined} content
|
|
* @returns {string | undefined}
|
|
* @private
|
|
*/
|
|
Item.prototype._contentToString = function (content) {
|
|
if (typeof content === 'string') return content;
|
|
if (content && 'outerHTML' in content) return content.outerHTML;
|
|
return content;
|
|
};
|
|
|
|
/**
|
|
* Update the editability of this item.
|
|
*/
|
|
Item.prototype._updateEditStatus = function() {
|
|
if (this.options) {
|
|
if(typeof this.options.editable === 'boolean') {
|
|
this.editable = {
|
|
updateTime: this.options.editable,
|
|
updateGroup: this.options.editable,
|
|
remove: this.options.editable
|
|
};
|
|
} else if(typeof this.options.editable === 'object') {
|
|
this.editable = {};
|
|
util.selectiveExtend(['updateTime', 'updateGroup', 'remove'], this.editable, this.options.editable);
|
|
};
|
|
}
|
|
// Item data overrides, except if options.editable.overrideItems is set.
|
|
if (!this.options || !(this.options.editable) || (this.options.editable.overrideItems !== true)) {
|
|
if (this.data) {
|
|
if (typeof this.data.editable === 'boolean') {
|
|
this.editable = {
|
|
updateTime: this.data.editable,
|
|
updateGroup: this.data.editable,
|
|
remove: this.data.editable
|
|
}
|
|
} else if (typeof this.data.editable === 'object') {
|
|
// TODO: in vis.js 5.0, we should change this to not reset options from the timeline configuration.
|
|
// Basically just remove the next line...
|
|
this.editable = {};
|
|
util.selectiveExtend(['updateTime', 'updateGroup', 'remove'], this.editable, this.data.editable);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Return the width of the item left from its start date
|
|
* @return {number}
|
|
*/
|
|
Item.prototype.getWidthLeft = function () {
|
|
return 0;
|
|
};
|
|
|
|
/**
|
|
* Return the width of the item right from the max of its start and end date
|
|
* @return {number}
|
|
*/
|
|
Item.prototype.getWidthRight = function () {
|
|
return 0;
|
|
};
|
|
|
|
/**
|
|
* Return the title of the item
|
|
* @return {string | undefined}
|
|
*/
|
|
Item.prototype.getTitle = function () {
|
|
return this.data.title;
|
|
};
|
|
|
|
module.exports = Item;
|