devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (cjs/ui/grid_core/ui.grid_core.pager.js)
* Version: 21.2.4
* Build date: Mon Dec 06 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
exports.pagerModule = void 0;
var _uiGrid_core = _interopRequireDefault(require("./ui.grid_core.modules"));
var _pager = _interopRequireDefault(require("../pager"));
var _array = require("../../core/utils/array");
var _type = require("../../core/utils/type");
var _window = require("../../core/utils/window");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
}
}
var PAGER_CLASS = "pager";
var MAX_PAGES_COUNT = 10;
var getPageIndex = function(dataController) {
return 1 + (parseInt(dataController.pageIndex()) || 0)
};
var PagerView = _uiGrid_core.default.View.inherit({
init: function() {
var _this = this;
var dataController = this.getController("data");
dataController.changed.add((function(e) {
if (e && e.repaintChangesOnly) {
var pager = _this._getPager();
if (pager) {
pager.option({
pageIndex: getPageIndex(dataController),
pageSize: dataController.pageSize(),
pageCount: dataController.pageCount(),
totalCount: dataController.totalCount(),
hasKnownLastPage: dataController.hasKnownLastPage()
})
} else {
_this.render()
}
} else if (!e || "update" !== e.changeType && "updateSelection" !== e.changeType && "updateFocusedRow" !== e.changeType) {
_this.render()
}
}))
},
_getPager: function() {
var $element = this.element();
return $element && $element.data("dxPager")
},
_renderCore: function() {
var $element = this.element().addClass(this.addWidgetPrefix(PAGER_CLASS));
var pagerOptions = this.option("pager") || {};
var dataController = this.getController("data");
var keyboardController = this.getController("keyboardNavigation");
var options = {
maxPagesCount: MAX_PAGES_COUNT,
pageIndex: getPageIndex(dataController),
pageCount: dataController.pageCount(),
pageSize: dataController.pageSize(),
showPageSizes: pagerOptions.showPageSizeSelector,
showInfo: pagerOptions.showInfo,
displayMode: pagerOptions.displayMode,
pagesNavigatorVisible: pagerOptions.visible,
showNavigationButtons: pagerOptions.showNavigationButtons,
pageSizes: this.getPageSizes(),
totalCount: dataController.totalCount(),
hasKnownLastPage: dataController.hasKnownLastPage(),
pageIndexChanged: function(pageIndex) {
if (dataController.pageIndex() !== pageIndex - 1) {
setTimeout((function() {
dataController.pageIndex(pageIndex - 1)
}))
}
},
pageSizeChanged: function(pageSize) {
setTimeout((function() {
dataController.pageSize(pageSize)
}))
},
onKeyDown: function(e) {
return keyboardController && keyboardController.executeAction("onKeyDown", e)
},
useLegacyKeyboardNavigation: this.option("useLegacyKeyboardNavigation"),
useKeyboard: this.option("keyboardNavigation.enabled")
};
if ((0, _type.isDefined)(pagerOptions.infoText)) {
options.infoText = pagerOptions.infoText
}
if ((0, _window.hasWindow)()) {
this._createComponent($element, _pager.default, options)
} else {
$element.addClass("dx-pager").html('<div class="dx-pages"><div class="dx-page"></div></div>')
}
},
getPageSizes: function() {
var dataController = this.getController("data");
var pagerOptions = this.option("pager");
var allowedPageSizes = pagerOptions && pagerOptions.allowedPageSizes;
var pageSize = dataController.pageSize();
if (!(0, _type.isDefined)(this._pageSizes) || -1 === (0, _array.inArray)(pageSize, this._pageSizes)) {
this._pageSizes = [];
if (pagerOptions) {
if (Array.isArray(allowedPageSizes)) {
this._pageSizes = allowedPageSizes
} else if (allowedPageSizes && pageSize > 1) {
this._pageSizes = [Math.floor(pageSize / 2), pageSize, 2 * pageSize]
}
}
}
return this._pageSizes
},
isVisible: function() {
var dataController = this.getController("data");
var pagerOptions = this.option("pager");
var pagerVisible = pagerOptions && pagerOptions.visible;
var scrolling = this.option("scrolling");
if ("auto" === pagerVisible) {
if (scrolling && ("virtual" === scrolling.mode || "infinite" === scrolling.mode)) {
pagerVisible = false
} else {
pagerVisible = dataController.pageCount() > 1 || dataController.isLoaded() && !dataController.hasKnownLastPage()
}
}
return pagerVisible
},
getHeight: function() {
return this.getElementHeight()
},
optionChanged: function(args) {
var name = args.name;
var isPager = "pager" === name;
var isPaging = "paging" === name;
var isDataSource = "dataSource" === name;
var isScrolling = "scrolling" === name;
var dataController = this.getController("data");
if (isPager || isPaging || isScrolling || isDataSource) {
args.handled = true;
if (dataController.skipProcessingPagingChange(args.fullName)) {
return
}
if (isPager || isPaging) {
this._pageSizes = null
}
if (!isDataSource) {
this._invalidate();
if ((0, _window.hasWindow)() && isPager && this.component) {
this.component.resize()
}
}
}
}
});
var pagerModule = {
defaultOptions: function() {
return {
pager: {
visible: "auto",
showPageSizeSelector: false,
allowedPageSizes: "auto"
}
}
},
views: {
pagerView: PagerView
}
};
exports.pagerModule = pagerModule;