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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* @api
*/
define([
'Magento_Ui/js/lib/view/utils/async',
'underscore',
'uiComponent',
'Magento_Ui/js/lib/view/utils/raf'
], function ($, _, Component, raf) {
'use strict';
return Component.extend({
defaults: {
listingSelector: '${ $.listingProvider }::not([data-role = "sticky-el-root"])',
toolbarSelector: '${ $.toolbarProvider }::not([data-role = "sticky-el-root"])',
bulkRowSelector: '[data-role = "data-grid-bulk-row"]',
bulkRowHeaderSelector: '.data-grid-info-panel:visible',
tableSelector: 'table',
columnSelector: 'thead tr th',
rowSelector: 'tbody tr',
toolbarCollapsiblesSelector: '[data-role="toolbar-menu-item"]',
toolbarCollapsiblesActiveClass: '_active',
template: 'ui/grid/sticky/sticky',
stickyContainerSelector: '.sticky-header',
stickyElementSelector: '[data-role = "sticky-el-root"]',
leftDataGridCapSelector: '.data-grid-cap-left',
rightDataGridCapSelector: '.data-grid-cap-right',
visible: false,
enableToolbar: true,
enableHeader: true,
modules: {
toolbar: '${ $.toolbarProvider }',
listing: '${ $.listingProvider }'
},
otherStickyElsSize: 77,
containerNode: null,
listingNode: null,
toolbarNode: null,
stickyListingNode: null,
stickyToolbarNode: null,
storedOriginalToolbarElements: [],
cache: {},
flags: {},
dirtyFlag: 'dirty'
},
/**
* Initializes Sticky component.
*
* @returns {Object} Chainable.
*/
initialize: function () {
this._super();
_.bindAll(this,
'adjustStickyElems',
'initListingNode',
'initToolbarNode',
'initContainerNode',
'initColumns',
'initStickyListingNode',
'initStickyToolbarNode',
'initLeftDataGridCap',
'initRightDataGridCap'
);
$.async(this.listingSelector,
this.initListingNode);
$.async(this.toolbarSelector,
this.initToolbarNode);
$.async(this.stickyContainerSelector,
this,
this.initContainerNode);
return this;
},
/**
* Init observables
*
* @returns {Object} Chainable.
*/
initObservable: function () {
this._super()
.track('visible');
return this;
},
/**
* Init original listing node
*
* @param {HTMLElement} node
*/
initListingNode: function (node) {
if ($(node).is(this.stickyElementSelector)) {
return;
}
this.listingNode = $(node);
$.async(this.columnSelector, node, this.initColumns);
},
/**
* Init original toolbar node
*
* @param {HTMLElement} node
*/
initToolbarNode: function (node) {
if ($(node).is(this.stickyElementSelector)) {
return;
}
this.toolbarNode = $(node);
},
/**
* Init sticky listing node
*
* @param {HTMLElement} node
*/
initStickyListingNode: function (node) {
this.stickyListingNode = $(node);
this.checkPos();
this.initListeners();
},
/**
* Init sticky toolbar node
*
* @param {HTMLElement} node
*/
initStickyToolbarNode: function (node) {
this.stickyToolbarNode = $(node);
},
/**
* Init sticky header container node
*
* @param {HTMLElement} node
*/
initContainerNode: function (node) {
this.containerNode = $(node);
$.async(this.leftDataGridCapSelector,
node,
this.initLeftDataGridCap);
$.async(this.rightDataGridCapSelector,
node,
this.initRightDataGridCap);
$.async(this.stickyElementSelector,
this.listing(),
this.initStickyListingNode);
$.async(this.stickyElementSelector,
this.toolbar(),
this.initStickyToolbarNode);
},
/**
* Init columns (each time when amount of columns is changed)
*
*/
initColumns: function () {
this.columns = this.listingNode.find(this.columnSelector);
},
/**
* Init left DataGridCap
*
* @param {HTMLElement} node
*/
initLeftDataGridCap: function (node) {
this.leftDataGridCap = $(node);
},
/**
* Init right DataGridCap
*
* @param {HTMLElement} node
*/
initRightDataGridCap: function (node) {
this.rightDataGridCap = $(node);
},
/**
* Init listeners
*
* @returns {Object} Chainable.
*/
initListeners: function () {
this.adjustStickyElems();
this.initOnResize()
.initOnScroll()
.initOnListingScroll();
return this;
},
/**
* Start to listen to window scroll event
*
* @returns {Object} Chainable.
*/
initOnScroll: function () {
this.lastHorizontalScrollPos = $(window).scrollLeft();
document.addEventListener('scroll', function () {
this.flags.scrolled = true;
}.bind(this));
return this;
},
/**
* Start to listen to original listing scroll event
*
* @returns {Object} Chainable.
*/
initOnListingScroll: function () {
$(this.listingNode).on('scroll', function (e) {
this.flags.listingScrolled = true;
this.flags.listingScrolledValue = $(e.target).scrollLeft();
}.bind(this));
return this;
},
/**
* Start to listen to window resize event
*
* @returns {Object} Chainable.
*/
initOnResize: function () {
$(window).on('resize', function () {
this.flags.resized = true;
}.bind(this));
return this;
},
/**
* Adjust sticky header elements according to flags of the events that have happened in the endless RAF loop
*/
adjustStickyElems: function () {
if (this.flags.resized ||
this.flags.scrolled) {
this.checkPos();
}
if (this.visible) {
this.checkTableElemsWidth();
if (this.flags.originalWidthChanged) {
this.adjustContainerElemsWidth();
}
if (this.flags.resized) {
this.onResize();
}
if (this.flags.scrolled) {
this.onWindowScroll();
}
if (this.flags.listingScrolled) {
this.onListingScroll(this.flags.listingScrolledValue);
}
}
_.each(this.flags, function (val, key) {
if (val === this.dirtyFlag) {
this.flags[key] = false;
} else if (val) {
this.flags[key] = this.dirtyFlag;
}
}, this);
raf(this.adjustStickyElems);
},
/**
* Handles window scroll
*/
onWindowScroll: function () {
var scrolled = $(window).scrollLeft(),
horizontal = this.lastHorizontalScrollPos !== scrolled;
if (horizontal) {
this.adjustOffset()
.adjustDataGridCapPositions();
this.lastHorizontalScrollPos = scrolled;
} else {
this.checkPos();
}
},
/**
* Handles original listing scroll
*
* @param {Number} scrolled
*/
onListingScroll: function (scrolled) {
this.adjustOffset(scrolled);
},
/**
* Handles window resize
*/
onResize: function () {
this.checkPos();
this.adjustContainerElemsWidth()
.adjustDataGridCapPositions();
},
/**
* Check if original table or columns change it dimensions and sets appropriate flag
*/
checkTableElemsWidth: function () {
var newWidth = this.getTableWidth();
if (this.cache.tableWidth !== newWidth) {
this.cache.tableWidth = newWidth;
this.flags.originalWidthChanged = true;
} else if (this.cache.colChecksum !== this.getColsChecksum()) {
this.cache.colChecksum = this.getColsChecksum();
this.flags.originalWidthChanged = true;
}
},
/**
* Get the checksum of original columns width
*
* @returns {Number}.
*/
getColsChecksum: function () {
return _.reduce(this.columns,
function (pv, cv) {
return ($(pv).width() || pv) + '' + $(cv).width();
});
},
/**
* Get the width of the sticky table wrapper
*
* @returns {Number}.
*/
getListingWidth: function () {
return this.listingNode.width();
},
/**
* Get the width of the original table
*
* @returns {Number}.
*/
getTableWidth: function () {
return this.listingNode.find(this.tableSelector).width();
},
/**
* Get the top elem: header or toolbar
*
* @returns {HTMLElement}.
*/
getTopElement: function () {
return this.toolbarNode || this.listingNode;
},
/**
* Get the height of the other sticky elem (Page header)
*
* @returns {Number}.
*/
getOtherStickyElementsSize: function () {
return this.otherStickyElsSize;
},
/**
* Get original bulk row height, if is visible
*
* @returns {Number}.
*/
getBulkRowHeight: function () {
return this.listingNode.find(this.bulkRowSelector).filter(':visible').height();
},
/**
* Get top Y coord of the sticky header
*
* @returns {Number}.
*/
getListingTopYCoord: function () {
var bulkRowHeight = this.getBulkRowHeight();
return this.listingNode.find('tbody').offset().top -
this.containerNode.height() -
$(window).scrollTop() +
bulkRowHeight;
},
/**
* Check if sticky header must be visible
*
* @returns {Boolean}.
*/
getMustBeSticky: function () {
var stickyTopCondition = this.getListingTopYCoord() - this.getOtherStickyElementsSize(),
stickyBottomCondition = this.listingNode.offset().top +
this.listingNode.height() -
$(window).scrollTop() +
this.getBulkRowHeight() -
this.getOtherStickyElementsSize();
return stickyTopCondition < 0 && stickyBottomCondition > 0;
},
/**
* Resize sticky header and cols
*
* @returns {Object} Chainable.
*/
adjustContainerElemsWidth: function () {
this.resizeContainer()
.resizeCols()
.resizeBulk();
return this;
},
/**
* Resize sticky header
*
* @returns {Object} Chainable.
*/
resizeContainer: function () {
var listingWidth = this.getListingWidth();
this.stickyListingNode.innerWidth(listingWidth);
this.stickyListingNode.find(this.tableSelector).innerWidth(this.getTableWidth());
if (this.stickyToolbarNode) {
this.stickyToolbarNode.innerWidth(listingWidth);
}
return this;
},
/**
* Resize sticky cols
*
* @returns {Object} Chainable.
*/
resizeCols: function () {
var cols = this.listingNode.find(this.columnSelector);
this.stickyListingNode.find(this.columnSelector).each(function (ind) {
var originalColWidth = $(cols[ind]).width();
$(this).width(originalColWidth);
});
return this;
},
/**
* Resize bulk row header
*
* @returns {Object} Chainable.
*/
resizeBulk: function () {
var bulk = this.containerNode.find(this.bulkRowHeaderSelector)[0];
if (bulk) {
$(bulk).innerWidth(this.getListingWidth());
}
return this;
},
/**
* Reset viewport to the top of listing
*/
resetToTop: function () {
var posOfTopEl = this.getTopElement().offset().top - this.getOtherStickyElementsSize() || 0;
$(window).scrollTop(posOfTopEl);
},
/**
* Adjust sticky header offset
*
* @param {Number} val
* @returns {Object} Chainable.
*/
adjustOffset: function (val) {
val = val || this.listingNode.scrollLeft();
this.stickyListingNode.offset({
left: this.listingNode.offset().left - val
});
return this;
},
/**
* Adjust both DataGridCap position
*
* @returns {Object} Chainable.
*/
adjustDataGridCapPositions: function () {
this.adjustLeftDataGridCapPos()
.adjustRightDataGridCapPos();
return this;
},
/**
* Adjust left DataGridCap position
*
* @returns {Object} Chainable.
*/
adjustLeftDataGridCapPos: function () {
this.leftDataGridCap.offset({
left: this.listingNode.offset().left - this.leftDataGridCap.width()
});
return this;
},
/**
* Adjust right DataGridCap position
*
* @returns {Object} Chainable.
*/
adjustRightDataGridCapPos: function () {
this.rightDataGridCap.offset({
left: this.listingNode.offset().left + this.listingNode.width()
});
return this;
},
/**
* Hides the oiginal toolbar opened dropdowns/collapsibles etc
*/
collapseOriginalElements: function () {
this.toolbarNode
.find(this.toolbarCollapsiblesSelector)
.css('visibility', 'hidden');
$(this.listingNode.find(this.bulkRowSelector)[0]).css('visibility', 'hidden');
},
/**
* Restores the oiginal toolbar opened dropdowns/collapsibles etc
*/
restoreOriginalElements: function () {
this.toolbarNode
.find(this.toolbarCollapsiblesSelector)
.css('visibility', 'visible');
$(this.listingNode.find(this.bulkRowSelector)[0]).css('visibility', 'visible');
},
/**
* Toggle the visibility of sticky header
*
* @returns {Object} Chainable.
*/
toggleContainerVisibility: function () {
this.visible = !this.visible;
return this;
},
/**
* Checks position of the listing to know if need to show/hide sticky header
*
* @returns {Boolean} whether the visibility of the sticky header was toggled.
*/
checkPos: function () {
var isSticky = this.visible,
mustBeSticky = this.getMustBeSticky(),
needChange = isSticky !== mustBeSticky;
if (needChange) {
if (mustBeSticky) {
this.collapseOriginalElements();
this.toggleContainerVisibility();
this.adjustContainerElemsWidth()
.adjustOffset()
.adjustDataGridCapPositions();
} else {
this.toggleContainerVisibility();
this.restoreOriginalElements();
}
}
return needChange;
}
});
});