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.
362 lines
10 KiB
362 lines
10 KiB
var Item = require('./Item');
|
|
|
|
/**
|
|
* @constructor BoxItem
|
|
* @extends Item
|
|
* @param {Object} data Object containing parameters start
|
|
* content, 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 BoxItem (data, conversion, options) {
|
|
this.props = {
|
|
dot: {
|
|
width: 0,
|
|
height: 0
|
|
},
|
|
line: {
|
|
width: 0,
|
|
height: 0
|
|
}
|
|
};
|
|
this.options = options;
|
|
// validate data
|
|
if (data) {
|
|
if (data.start == undefined) {
|
|
throw new Error('Property "start" missing in item ' + data);
|
|
}
|
|
}
|
|
|
|
Item.call(this, data, conversion, options);
|
|
}
|
|
|
|
BoxItem.prototype = new Item (null, null, null);
|
|
|
|
/**
|
|
* Check whether this item is visible inside given range
|
|
* @param {{start: number, end: number}} range with a timestamp for start and end
|
|
* @returns {boolean} True if visible
|
|
*/
|
|
BoxItem.prototype.isVisible = function(range) {
|
|
// determine visibility
|
|
var isVisible;
|
|
var align = this.options.align;
|
|
var widthInMs = this.width * range.getMillisecondsPerPixel();
|
|
|
|
if (align == 'right') {
|
|
isVisible = (this.data.start.getTime() > range.start ) && (this.data.start.getTime() - widthInMs < range.end);
|
|
}
|
|
else if (align == 'left') {
|
|
isVisible = (this.data.start.getTime() + widthInMs > range.start ) && (this.data.start.getTime() < range.end);
|
|
}
|
|
else {
|
|
// default or 'center'
|
|
isVisible = (this.data.start.getTime() + widthInMs/2 > range.start ) && (this.data.start.getTime() - widthInMs/2 < range.end);
|
|
}
|
|
return isVisible;
|
|
};
|
|
|
|
BoxItem.prototype._createDomElement = function() {
|
|
if (!this.dom) {
|
|
// create DOM
|
|
this.dom = {};
|
|
|
|
// create main box
|
|
this.dom.box = document.createElement('DIV');
|
|
|
|
// contents box (inside the background box). used for making margins
|
|
this.dom.content = document.createElement('DIV');
|
|
this.dom.content.className = 'vis-item-content';
|
|
this.dom.box.appendChild(this.dom.content);
|
|
|
|
// line to axis
|
|
this.dom.line = document.createElement('DIV');
|
|
this.dom.line.className = 'vis-line';
|
|
|
|
// dot on axis
|
|
this.dom.dot = document.createElement('DIV');
|
|
this.dom.dot.className = 'vis-dot';
|
|
|
|
// attach this item as attribute
|
|
this.dom.box['timeline-item'] = this;
|
|
|
|
this.dirty = true;
|
|
}
|
|
}
|
|
|
|
BoxItem.prototype._appendDomElement = function() {
|
|
if (!this.parent) {
|
|
throw new Error('Cannot redraw item: no parent attached');
|
|
}
|
|
if (!this.dom.box.parentNode) {
|
|
var foreground = this.parent.dom.foreground;
|
|
if (!foreground) throw new Error('Cannot redraw item: parent has no foreground container element');
|
|
foreground.appendChild(this.dom.box);
|
|
}
|
|
if (!this.dom.line.parentNode) {
|
|
var background = this.parent.dom.background;
|
|
if (!background) throw new Error('Cannot redraw item: parent has no background container element');
|
|
background.appendChild(this.dom.line);
|
|
}
|
|
if (!this.dom.dot.parentNode) {
|
|
var axis = this.parent.dom.axis;
|
|
if (!background) throw new Error('Cannot redraw item: parent has no axis container element');
|
|
axis.appendChild(this.dom.dot);
|
|
}
|
|
this.displayed = true;
|
|
}
|
|
|
|
BoxItem.prototype._updateDirtyDomComponents = function() {
|
|
// An item is marked dirty when:
|
|
// - the item is not yet rendered
|
|
// - the item's data is changed
|
|
// - the item is selected/deselected
|
|
if (this.dirty) {
|
|
this._updateContents(this.dom.content);
|
|
this._updateDataAttributes(this.dom.box);
|
|
this._updateStyle(this.dom.box);
|
|
|
|
var editable = (this.editable.updateTime || this.editable.updateGroup);
|
|
|
|
// update class
|
|
var className = (this.data.className? ' ' + this.data.className : '') +
|
|
(this.selected ? ' vis-selected' : '') +
|
|
(editable ? ' vis-editable' : ' vis-readonly');
|
|
this.dom.box.className = 'vis-item vis-box' + className;
|
|
this.dom.line.className = 'vis-item vis-line' + className;
|
|
this.dom.dot.className = 'vis-item vis-dot' + className;
|
|
}
|
|
}
|
|
|
|
BoxItem.prototype._getDomComponentsSizes = function() {
|
|
return {
|
|
previous: {
|
|
right: this.dom.box.style.right,
|
|
left: this.dom.box.style.left
|
|
},
|
|
dot: {
|
|
height: this.dom.dot.offsetHeight,
|
|
width: this.dom.dot.offsetWidth
|
|
},
|
|
line: {
|
|
width: this.dom.line.offsetWidth
|
|
},
|
|
box: {
|
|
width: this.dom.box.offsetWidth,
|
|
height: this.dom.box.offsetHeight
|
|
}
|
|
}
|
|
}
|
|
|
|
BoxItem.prototype._updateDomComponentsSizes = function(sizes) {
|
|
if (this.options.rtl) {
|
|
this.dom.box.style.right = "0px";
|
|
} else {
|
|
this.dom.box.style.left = "0px";
|
|
}
|
|
|
|
// recalculate size
|
|
this.props.dot.height = sizes.dot.height;
|
|
this.props.dot.width = sizes.dot.width;
|
|
this.props.line.width = sizes.line.width;
|
|
this.width = sizes.box.width;
|
|
this.height = sizes.box.height;
|
|
|
|
// restore previous position
|
|
if (this.options.rtl) {
|
|
this.dom.box.style.right = sizes.previous.right;
|
|
} else {
|
|
this.dom.box.style.left = sizes.previous.left;
|
|
}
|
|
|
|
this.dirty = false;
|
|
}
|
|
|
|
BoxItem.prototype._repaintDomAdditionals = function() {
|
|
this._repaintOnItemUpdateTimeTooltip(this.dom.box);
|
|
this._repaintDragCenter();
|
|
this._repaintDeleteButton(this.dom.box);
|
|
}
|
|
|
|
/**
|
|
* Repaint the item
|
|
* @param {boolean} [returnQueue=false] return the queue
|
|
* @return {boolean} the redraw queue if returnQueue=true
|
|
*/
|
|
BoxItem.prototype.redraw = function(returnQueue) {
|
|
var sizes
|
|
var queue = [
|
|
// create item DOM
|
|
this._createDomElement.bind(this),
|
|
|
|
// append DOM to parent DOM
|
|
this._appendDomElement.bind(this),
|
|
|
|
// update dirty DOM
|
|
this._updateDirtyDomComponents.bind(this),
|
|
|
|
(function() {
|
|
if (this.dirty) {
|
|
sizes = this._getDomComponentsSizes();
|
|
}
|
|
}).bind(this),
|
|
|
|
(function() {
|
|
if (this.dirty) {
|
|
this._updateDomComponentsSizes.bind(this)(sizes);
|
|
}
|
|
}).bind(this),
|
|
|
|
// repaint DOM additionals
|
|
this._repaintDomAdditionals.bind(this)
|
|
];
|
|
|
|
if (returnQueue) {
|
|
return queue;
|
|
} else {
|
|
var result;
|
|
queue.forEach(function (fn) {
|
|
result = fn();
|
|
});
|
|
return result;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Show the item in the DOM (when not already visible). The items DOM will
|
|
* be created when needed.
|
|
* @param {boolean} [returnQueue=false] whether to return a queue of functions to execute instead of just executing them
|
|
* @return {boolean} the redraw queue if returnQueue=true
|
|
*/
|
|
BoxItem.prototype.show = function(returnQueue) {
|
|
if (!this.displayed) {
|
|
return this.redraw(returnQueue);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Hide the item from the DOM (when visible)
|
|
*/
|
|
BoxItem.prototype.hide = function() {
|
|
if (this.displayed) {
|
|
var dom = this.dom;
|
|
|
|
if (dom.box.parentNode) dom.box.parentNode.removeChild(dom.box);
|
|
if (dom.line.parentNode) dom.line.parentNode.removeChild(dom.line);
|
|
if (dom.dot.parentNode) dom.dot.parentNode.removeChild(dom.dot);
|
|
|
|
this.displayed = false;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Reposition the item horizontally
|
|
* @Override
|
|
*/
|
|
BoxItem.prototype.repositionX = function() {
|
|
var start = this.conversion.toScreen(this.data.start);
|
|
var align = this.options.align;
|
|
|
|
// calculate left position of the box
|
|
if (align == 'right') {
|
|
if (this.options.rtl) {
|
|
this.right = start - this.width;
|
|
|
|
// reposition box, line, and dot
|
|
this.dom.box.style.right = this.right + 'px';
|
|
this.dom.line.style.right = (start - this.props.line.width) + 'px';
|
|
this.dom.dot.style.right = (start - this.props.line.width / 2 - this.props.dot.width / 2) + 'px';
|
|
} else {
|
|
this.left = start - this.width;
|
|
|
|
// reposition box, line, and dot
|
|
this.dom.box.style.left = this.left + 'px';
|
|
this.dom.line.style.left = (start - this.props.line.width) + 'px';
|
|
this.dom.dot.style.left = (start - this.props.line.width / 2 - this.props.dot.width / 2) + 'px';
|
|
}
|
|
}
|
|
else if (align == 'left') {
|
|
if (this.options.rtl) {
|
|
this.right = start;
|
|
|
|
// reposition box, line, and dot
|
|
this.dom.box.style.right = this.right + 'px';
|
|
this.dom.line.style.right = start + 'px';
|
|
this.dom.dot.style.right = (start + this.props.line.width / 2 - this.props.dot.width / 2) + 'px';
|
|
} else {
|
|
this.left = start;
|
|
|
|
// reposition box, line, and dot
|
|
this.dom.box.style.left = this.left + 'px';
|
|
this.dom.line.style.left = start + 'px';
|
|
this.dom.dot.style.left = (start + this.props.line.width / 2 - this.props.dot.width / 2) + 'px';
|
|
}
|
|
}
|
|
else {
|
|
// default or 'center'
|
|
if (this.options.rtl) {
|
|
this.right = start - this.width / 2;
|
|
|
|
// reposition box, line, and dot
|
|
this.dom.box.style.right = this.right + 'px';
|
|
this.dom.line.style.right = (start - this.props.line.width) + 'px';
|
|
this.dom.dot.style.right = (start - this.props.dot.width / 2) + 'px';
|
|
} else {
|
|
this.left = start - this.width / 2;
|
|
|
|
// reposition box, line, and dot
|
|
this.dom.box.style.left = this.left + 'px';
|
|
this.dom.line.style.left = (start - this.props.line.width / 2) + 'px';
|
|
this.dom.dot.style.left = (start - this.props.dot.width / 2) + 'px';
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Reposition the item vertically
|
|
* @Override
|
|
*/
|
|
BoxItem.prototype.repositionY = function() {
|
|
var orientation = this.options.orientation.item;
|
|
var box = this.dom.box;
|
|
var line = this.dom.line;
|
|
var dot = this.dom.dot;
|
|
|
|
if (orientation == 'top') {
|
|
box.style.top = (this.top || 0) + 'px';
|
|
|
|
line.style.top = '0';
|
|
line.style.height = (this.parent.top + this.top + 1) + 'px';
|
|
line.style.bottom = '';
|
|
}
|
|
else { // orientation 'bottom'
|
|
var itemSetHeight = this.parent.itemSet.props.height; // TODO: this is nasty
|
|
var lineHeight = itemSetHeight - this.parent.top - this.parent.height + this.top;
|
|
|
|
box.style.top = (this.parent.height - this.top - this.height || 0) + 'px';
|
|
line.style.top = (itemSetHeight - lineHeight) + 'px';
|
|
line.style.bottom = '0';
|
|
}
|
|
|
|
dot.style.top = (-this.props.dot.height / 2) + 'px';
|
|
};
|
|
|
|
/**
|
|
* Return the width of the item left from its start date
|
|
* @return {number}
|
|
*/
|
|
BoxItem.prototype.getWidthLeft = function () {
|
|
return this.width / 2;
|
|
};
|
|
|
|
/**
|
|
* Return the width of the item right from its start date
|
|
* @return {number}
|
|
*/
|
|
BoxItem.prototype.getWidthRight = function () {
|
|
return this.width / 2;
|
|
};
|
|
|
|
module.exports = BoxItem;
|