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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* @api
*/
define([
'underscore',
'Magento_Ui/js/lib/view/utils/async',
'Magento_Ui/js/lib/view/utils/raf',
'rjsResolver',
'uiCollection'
], function (_, $, raf, resolver, Collection) {
'use strict';
var transformProp;
/**
* Defines supported css 'transform' property.
*
* @returns {String|Undefined}
*/
transformProp = (function () {
var style = document.documentElement.style,
base = 'Transform',
vendors = ['webkit', 'moz', 'ms', 'o'],
vi = vendors.length,
property;
if (typeof style.transform != 'undefined') {
return 'transform';
}
while (vi--) {
property = vendors[vi] + base;
if (typeof style[property] != 'undefined') {
return property;
}
}
})();
/**
* Moves specified DOM element to the x and y coordinates.
*
* @param {HTMLElement} elem - Element to be relocated.
* @param {Number} x - X coordinate.
* @param {Number} y - Y coordinate.
*/
function locate(elem, x, y) {
var value = 'translate(' + x + 'px,' + y + 'px)';
elem.style[transformProp] = value;
}
return Collection.extend({
defaults: {
template: 'ui/grid/toolbar',
stickyTmpl: 'ui/grid/sticky/sticky',
tableSelector: 'table',
columnsProvider: 'ns = ${ $.ns }, componentType = columns',
refreshFPS: 15,
sticky: false,
visible: false,
_resized: true,
_scrolled: true,
_tableScrolled: true,
_requiredNodes: {
'$stickyToolbar': true,
'$stickyTable': true,
'$table': true,
'$sticky': true
},
stickyClass: {
'sticky-header': true
}
},
/**
* Initializes sticky toolbar component.
*
* @returns {Sticky} Chainable.
*/
initialize: function () {
this._super();
if (this.sticky) {
this.waitDOMElements()
.then(this.run.bind(this));
}
return this;
},
/**
* Establishes DOM elements wait process.
*
* @returns {jQueryPromise} Promise which will be resolved
* when all of the required DOM elements are defined.
*/
waitDOMElements: function () {
var _domPromise = $.Deferred();
_.bindAll(this, 'setStickyTable', 'setTableNode');
$.async({
ctx: ':not([data-role="sticky-el-root"])',
component: this.columnsProvider,
selector: this.tableSelector
}, this.setTableNode);
$.async({
ctx: '[data-role="sticky-el-root"]',
component: this.columnsProvider,
selector: this.tableSelector
}, this.setStickyTable);
this._domPromise = _domPromise;
return _domPromise.promise();
},
/**
* Defines left caption element.
*
* @param {HTMLElement} node
*/
setLeftCap: function (node) {
this.$leftCap = node;
},
/**
* Defines right caption element.
*
* @param {HTMLElement} node
*/
setRightCap: function (node) {
this.$rightCap = node;
},
/**
* Defines original table element.
*
* @param {HTMLTableElement} node
*/
setTableNode: function (node) {
this.$cols = node.tHead.children[0].cells;
this.$tableContainer = node.parentNode;
this.setNode('$table', node);
},
/**
* Defines sticky table element.
*
* @param {HTMLTableElement} node
*/
setStickyTable: function (node) {
this.$stickyCols = node.tHead.children[0].cells;
this.setNode('$stickyTable', node);
},
/**
* Defines sticky toolbar node.
*
* @param {HTMLElement} node
*/
setStickyToolbarNode: function (node) {
this.setNode('$stickyToolbar', node);
},
/**
* Defines sticky element container.
*
* @param {HTMLElement} node
*/
setStickyNode: function (node) {
this.setNode('$sticky', node);
},
/**
* Defines toolbar element container.
*
* @param {HTMLElement} node
*/
setToolbarNode: function (node) {
this.$toolbar = node;
},
/**
* Sets provided node as a value of 'key' property and
* performs check for required DOM elements.
*
* @param {String} key - Properties key.
* @param {HTMLElement} node - DOM element.
*/
setNode: function (key, node) {
var nodes = this._requiredNodes,
promise = this._domPromise,
defined;
this[key] = node;
defined = _.every(nodes, function (enabled, name) {
return enabled ? this[name] : true;
}, this);
if (defined) {
resolver(promise.resolve, promise);
}
},
/**
* Starts refresh process of the sticky element
* and assigns DOM elements events handlers.
*/
run: function () {
_.bindAll(
this,
'refresh',
'_onWindowResize',
'_onWindowScroll',
'_onTableScroll'
);
$(window).on({
scroll: this._onWindowScroll,
resize: this._onWindowResize
});
$(this.$tableContainer).on('scroll', this._onTableScroll);
this.refresh();
this.checkTableWidth();
},
/**
* Refreshes state of the sticky element and
* invokes DOM elements events handlers
* if corresponding event has been triggered.
*/
refresh: function () {
if (!raf(this.refresh, this.refreshFPS)) {
return;
}
if (this._scrolled) {
this.onWindowScroll();
}
if (this._tableScrolled) {
this.onTableScroll();
}
if (this._resized) {
this.onWindowResize();
}
if (this.visible) {
this.checkTableWidth();
}
},
/**
* Shows sticky toolbar.
*
* @returns {Sticky} Chainable.
*/
show: function () {
this.visible = true;
//Check admin grid button has addedr not
if ($('.page-main-actions').length === 0) {
this.$sticky.style.top = 0;
}
this.$sticky.style.display = '';
this.$toolbar.style.visibility = 'hidden';
return this;
},
/**
* Hides sticky toolbar.
*
* @returns {Sticky} Chainable.
*/
hide: function () {
this.visible = false;
this.$sticky.style.display = 'none';
this.$toolbar.style.visibility = '';
return this;
},
/**
* Checks if sticky toolbar covers original elements.
*
* @returns {Boolean}
*/
isCovered: function () {
var stickyTop = this._stickyTableTop + this._wScrollTop;
return stickyTop > this._tableTop;
},
/**
* Updates offset of the sticky table element.
*
* @returns {Sticky} Chainable.
*/
updateStickyTableOffset: function () {
var style,
top;
if (this.visible) {
top = this.$stickyTable.getBoundingClientRect().top;
} else {
style = this.$sticky.style;
style.visibility = 'hidden';
style.display = '';
top = this.$stickyTable.getBoundingClientRect().top;
style.display = 'none';
style.visibility = '';
}
this._stickyTableTop = top;
return this;
},
/**
* Updates offset of the original table element.
*
* @returns {Sticky} Chainable.
*/
updateTableOffset: function () {
var box = this.$table.getBoundingClientRect(),
top = box.top + this._wScrollTop;
if (this._tableTop !== top) {
this._tableTop = top;
this.onTableTopChange(top);
}
return this;
},
/**
* Checks if width of the table or it's columns has changed.
*
* @returns {Sticky} Chainable.
*/
checkTableWidth: function () {
var cols = this.$cols,
total = cols.length,
rightBorder = cols[total - 2].offsetLeft,
tableWidth = this.$table.offsetWidth;
if (this._tableWidth !== tableWidth) {
this._tableWidth = tableWidth;
this.onTableWidthChange(tableWidth);
}
if (this._rightBorder !== rightBorder) {
this._rightBorder = rightBorder;
this.onColumnsWidthChange();
}
return this;
},
/**
* Updates width of the sticky table.
*
* @returns {Sticky} Chainable.
*/
updateTableWidth: function () {
this.$stickyTable.style.width = this._tableWidth + 'px';
if (this._tableWidth < this._toolbarWidth) {
this.checkToolbarSize();
}
return this;
},
/**
* Updates width of the sticky columns.
*
* @returns {Sticky} Chainable.
*/
updateColumnsWidth: function () {
var cols = this.$cols,
index = cols.length,
stickyCols = this.$stickyCols;
while (index--) {
stickyCols[index].width = cols[index].offsetWidth;
}
return this;
},
/**
* Upadates size of the sticky toolbar element
* and invokes corresponding 'change' event handlers.
*
* @returns {Sticky} Chainable.
*/
checkToolbarSize: function () {
var width = this.$tableContainer.offsetWidth;
if (this._toolbarWidth !== width) {
this._toolbarWidth = width;
this.onToolbarWidthChange(width);
}
return this;
},
/**
* Toggles sticky toolbar visibility if it's necessary.
*
* @returns {Sticky} Chainable.
*/
updateVisibility: function () {
if (this.visible !== this.isCovered()) {
this.visible ? this.hide() : this.show();
}
return this;
},
/**
* Updates position of the left cover area.
*
* @returns {Sticky} Chainable.
*/
updateLeftCap: function () {
locate(this.$leftCap, -this._wScrollLeft, 0);
return this;
},
/**
* Updates position of the right cover area.
*
* @returns {Sticky} Chainable.
*/
updateRightCap: function () {
var left = this._toolbarWidth - this._wScrollLeft;
locate(this.$rightCap, left, 0);
return this;
},
/**
* Updates position of the sticky table.
*
* @returns {Sticky} Chainable.
*/
updateTableScroll: function () {
var container = this.$tableContainer,
left = container.scrollLeft + this._wScrollLeft;
locate(this.$stickyTable, -left, 0);
return this;
},
/**
* Updates width of the toolbar element.
*
* @returns {Sticky} Chainable.
*/
updateToolbarWidth: function () {
this.$stickyToolbar.style.width = this._toolbarWidth + 'px';
return this;
},
/**
* Handles changes of the toolbar element's width.
*/
onToolbarWidthChange: function () {
this.updateToolbarWidth()
.updateRightCap();
},
/**
* Handles changes of the table top position.
*/
onTableTopChange: function () {
this.updateStickyTableOffset();
},
/**
* Handles change of the table width.
*/
onTableWidthChange: function () {
this.updateTableWidth();
},
/**
* Handles change of the table columns width.
*/
onColumnsWidthChange: function () {
this.updateColumnsWidth();
},
/**
* Handles changes of the window's size.
*/
onWindowResize: function () {
this.checkToolbarSize();
this._resized = false;
},
/**
* Handles changes of the original table scroll position.
*/
onTableScroll: function () {
this.updateTableScroll();
this._tableScrolled = false;
},
/**
* Handles changes of window's scroll position.
*/
onWindowScroll: function () {
var scrollTop = window.pageYOffset,
scrollLeft = window.pageXOffset;
if (this._wScrollTop !== scrollTop) {
this._wScrollTop = scrollTop;
this.onWindowScrollTop(scrollTop);
}
if (this._wScrollLeft !== scrollLeft) {
this._wScrollLeft = scrollLeft;
this.onWindowScrollLeft(scrollLeft);
}
this._scrolled = false;
},
/**
* Handles changes of windows' top scroll position.
*/
onWindowScrollTop: function () {
this.updateTableOffset()
.updateVisibility();
},
/**
* Handles changes of windows' left scroll position.
*/
onWindowScrollLeft: function () {
this.updateRightCap()
.updateLeftCap()
.updateTableScroll();
},
/**
* Original window 'scroll' event handler.
* Sets 'scrolled' flag to 'true'.
*
* @private
*/
_onWindowScroll: function () {
this._scrolled = true;
},
/**
* Original window 'resize' event handler.
* Sets 'resized' flag to 'true'.
*
* @private
*/
_onWindowResize: function () {
this._resized = true;
},
/**
* Original table 'scroll' event handler.
* Sets '_tableScrolled' flag to 'true'.
*
* @private
*/
_onTableScroll: function () {
this._tableScrolled = true;
}
});
});