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slick.grid.js
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slick.grid.js
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/**
* @license
* (c) 2009-2016 Michael Leibman
* michael{dot}leibman{at}gmail{dot}com
* http://github.com/mleibman/slickgrid
*
* Distributed under MIT license.
* All rights reserved.
*
* SlickGrid v4.0.0
*
* NOTES:
* Cell/row DOM manipulations are done directly bypassing JS DOM manipulation methods.
* This increases the speed dramatically, but can only be done safely because there are no event handlers
* or data associated with any cell/row DOM nodes. Cell editors must make sure they implement .destroy()
* and do proper cleanup.
*/
if (typeof Slick === "undefined") {
throw new Error('"slick.core.js" not loaded');
}
(function () {
"use strict";
// shared across all grids on the page
var scrollbarDimensions;
var maxSupportedCssHeight; // browser's breaking point
//////////////////////////////////////////////////////////////////////////////////////////////
// SlickGrid class implementation (available as Slick.Grid)
/**
* Creates a new instance of the grid.
* @class SlickGrid
* @constructor
* @param {Node} container Container node to create the grid in.
* @param {Array,Object} data An array of objects for databinding.
* @param {Array} columns An array of column definitions.
* @param {Object} options Grid options.
**/
function SlickGrid(container, data, columns, options) {
// settings
var defaults = {
alwaysShowVerticalScroll: false,
alwaysAllowHorizontalScroll: false,
explicitInitialization: false,
rowHeight: 25,
defaultColumnWidth: 80,
enableAddRow: false,
leaveSpaceForNewRows: false,
editable: false,
autoEdit: true,
autoCommitEdit: false,
suppressActiveCellChangeOnEdit: false,
enableCellNavigation: true,
enableColumnReorder: true,
asyncEditorLoading: false,
asyncEditorLoadDelay: 100,
forceFitColumns: false,
enableAsyncPostRender: false,
asyncPostRenderDelay: 50,
enableAsyncPostRenderCleanup: false,
asyncPostRenderCleanupDelay: 40,
autoHeight: false,
editorLock: Slick.GlobalEditorLock,
showColumnHeader: true,
showHeaderRow: false,
headerRowHeight: 25,
createFooterRow: false,
showFooterRow: false,
footerRowHeight: 25,
createPreHeaderPanel: false,
showPreHeaderPanel: false,
preHeaderPanelHeight: 25,
showTopPanel: false,
topPanelHeight: 25,
formatterFactory: null,
editorFactory: null,
cellFlashingCssClass: "flashing",
selectedCellCssClass: "selected",
multiSelect: true,
enableTextSelectionOnCells: false,
dataItemColumnValueExtractor: null,
frozenBottom: false,
frozenColumn: -1,
frozenRow: -1,
frozenRightViewportMinWidth: 100,
fullWidthRows: false,
multiColumnSort: false,
numberedMultiColumnSort: false,
tristateMultiColumnSort: false,
sortColNumberInSeparateSpan: false,
defaultFormatter: defaultFormatter,
forceSyncScrolling: false,
addNewRowCssClass: "new-row",
preserveCopiedSelectionOnPaste: false,
showCellSelection: true,
viewportClass: null,
minRowBuffer: 3,
emulatePagingWhenScrolling: true, // when scrolling off bottom of viewport, place new row at top of viewport
editorCellNavOnLRKeys: false,
enableMouseWheelScrollHandler: true,
doPaging: true,
autosizeColsMode: Slick.GridAutosizeColsMode.LegacyOff,
autosizeColPaddingPx: 4,
autosizeTextAvgToMWidthRatio: 0.75,
viewportSwitchToScrollModeWidthPercent: undefined,
viewportMinWidthPx: undefined,
viewportMaxWidthPx: undefined,
suppressCssChangesOnHiddenInit: false,
scrollDebounceDelay: -1, // add a scroll delay to avoid screen flickering, -1 to disable delay
ffMaxSupportedCssHeight: 6000000,
maxSupportedCssHeight: 1000000000,
sanitizer: undefined, // sanitize function, built in basic sanitizer is: Slick.RegexSanitizer(dirtyHtml)
logSanitizedHtml: false // log to console when sanitised - recommend true for testing of dev and production
};
var columnDefaults = {
name: "",
resizable: true,
sortable: false,
minWidth: 30,
maxWidth: undefined,
rerenderOnResize: false,
headerCssClass: null,
defaultSortAsc: true,
focusable: true,
selectable: true,
hidden: false
};
var columnAutosizeDefaults = {
ignoreHeaderText: false,
colValueArray: undefined,
allowAddlPercent: undefined,
formatterOverride: undefined,
autosizeMode: Slick.ColAutosizeMode.ContentIntelligent,
rowSelectionModeOnInit: undefined,
rowSelectionMode: Slick.RowSelectionMode.FirstNRows,
rowSelectionCount: 100,
valueFilterMode: Slick.ValueFilterMode.None,
widthEvalMode: Slick.WidthEvalMode.Auto,
sizeToRemaining: undefined,
widthPx: undefined,
contentSizePx: 0,
headerWidthPx: 0,
colDataTypeOf: undefined
};
// scroller
var th; // virtual height
var h; // real scrollable height
var ph; // page height
var n; // number of pages
var cj; // "jumpiness" coefficient
var page = 0; // current page
var offset = 0; // current page offset
var vScrollDir = 1;
// private
const utils = Slick.Utils;
const show = utils.show;
const hide = utils.hide;
var _bindingEventService = new Slick.BindingEventService();
var initialized = false;
var _container;
var uid = "slickgrid_" + Math.round(1000000 * Math.random());
var self = this;
var _focusSink, _focusSink2;
var _groupHeaders = [];
var _headerScroller = [];
var _headers = [];
var _headerRows, _headerRowScroller, _headerRowSpacerL, _headerRowSpacerR;
var _footerRow, _footerRowScroller, _footerRowSpacerL, _footerRowSpacerR;
var _preHeaderPanel, _preHeaderPanelScroller, _preHeaderPanelSpacer;
var _preHeaderPanelR, _preHeaderPanelScrollerR, _preHeaderPanelSpacerR;
var _topPanelScrollers;
var _topPanels;
var _viewport;
var _canvas;
var _style;
var _boundAncestors = [];
var stylesheet, columnCssRulesL, columnCssRulesR;
var viewportH, viewportW;
var canvasWidth, canvasWidthL, canvasWidthR;
var headersWidth, headersWidthL, headersWidthR;
var viewportHasHScroll, viewportHasVScroll;
var headerColumnWidthDiff = 0, headerColumnHeightDiff = 0, // border+padding
cellWidthDiff = 0, cellHeightDiff = 0;
var absoluteColumnMinWidth;
var hasFrozenRows = false;
var frozenRowsHeight = 0;
var actualFrozenRow = -1;
var paneTopH = 0;
var paneBottomH = 0;
var viewportTopH = 0;
var viewportBottomH = 0;
var topPanelH = 0;
var headerRowH = 0;
var footerRowH = 0;
var tabbingDirection = 1;
var _activeCanvasNode;
var _activeViewportNode;
var activePosX;
var activeRow, activeCell;
var activeCellNode = null;
var currentEditor = null;
var serializedEditorValue;
var editController;
var rowsCache = {};
var renderedRows = 0;
var numVisibleRows = 0;
var prevScrollTop = 0;
var scrollTop = 0;
var lastRenderedScrollTop = 0;
var lastRenderedScrollLeft = 0;
var prevScrollLeft = 0;
var scrollLeft = 0;
var selectionModel;
var selectedRows = [];
var plugins = [];
var cellCssClasses = {};
var columnsById = {};
var sortColumns = [];
var columnPosLeft = [];
var columnPosRight = [];
var pagingActive = false;
var pagingIsLastPage = false;
var scrollThrottle = ActionThrottle(render, 50);
// async call handles
var h_editorLoader = null;
var h_render = null;
var h_postrender = null;
var h_postrenderCleanup = null;
var postProcessedRows = {};
var postProcessToRow = null;
var postProcessFromRow = null;
var postProcessedCleanupQueue = [];
var postProcessgroupId = 0;
// perf counters
var counter_rows_rendered = 0;
var counter_rows_removed = 0;
var _paneHeaderL;
var _paneHeaderR;
var _paneTopL;
var _paneTopR;
var _paneBottomL;
var _paneBottomR;
var _headerScrollerL;
var _headerScrollerR;
var _headerL;
var _headerR;
var _groupHeadersL;
var _groupHeadersR;
var _headerRowScrollerL;
var _headerRowScrollerR;
var _footerRowScrollerL;
var _footerRowScrollerR;
var _headerRowL;
var _headerRowR;
var _footerRowL;
var _footerRowR;
var _topPanelScrollerL;
var _topPanelScrollerR;
var _topPanelL;
var _topPanelR;
var _viewportTopL;
var _viewportTopR;
var _viewportBottomL;
var _viewportBottomR;
var _canvasTopL;
var _canvasTopR;
var _canvasBottomL;
var _canvasBottomR;
var _viewportScrollContainerX;
var _viewportScrollContainerY;
var _headerScrollContainer;
var _headerRowScrollContainer;
var _footerRowScrollContainer;
// store css attributes if display:none is active in container or parent
var cssShow = { position: 'absolute', visibility: 'hidden', display: 'block' };
var _hiddenParents;
var oldProps = [];
var enforceFrozenRowHeightRecalc = false;
var columnResizeDragging = false;
var slickDraggableInstance = null;
var slickMouseWheelInstances = [];
var slickResizableInstances = [];
var sortableSideLeftInstance;
var sortableSideRightInstance;
//////////////////////////////////////////////////////////////////////////////////////////////
// Initialization
function init() {
if (typeof container === "string") {
_container = document.querySelector(container);
} else {
_container = container;
}
if (!_container) {
throw new Error("SlickGrid requires a valid container, " + container + " does not exist in the DOM.");
}
// calculate these only once and share between grid instances
maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();
options = utils.extend(true, {}, defaults, options);
validateAndEnforceOptions();
columnDefaults.width = options.defaultColumnWidth;
if (!options.suppressCssChangesOnHiddenInit) { cacheCssForHiddenInit(); }
updateColumnProps();
// validate loaded JavaScript modules against requested options
if (options.enableColumnReorder && !Sortable) {
throw new Error("SlickGrid requires Sortable.js module to be loaded");
}
editController = {
"commitCurrentEdit": commitCurrentEdit,
"cancelCurrentEdit": cancelCurrentEdit
};
utils.emptyElement(_container);
_container.style.overflow = "hidden";
_container.style.outline = 0;
_container.classList.add(uid);
_container.classList.add("ui-widget");
const containerStyles = window.getComputedStyle(_container);
if (!(/relative|absolute|fixed/).test(containerStyles.position)) {
_container.style.position = "relative";
}
_focusSink = utils.createDomElement('div', { tabIndex: 0, style: { position: 'fixed', width: '0px', height: '0px', top: '0px', left: '0px', outline: '0px' } }, _container);
// Containers used for scrolling frozen columns and rows
_paneHeaderL = utils.createDomElement('div', { className: 'slick-pane slick-pane-header slick-pane-left', tabIndex: 0 }, _container);
_paneHeaderR = utils.createDomElement('div', { className: 'slick-pane slick-pane-header slick-pane-right', tabIndex: 0 }, _container);
_paneTopL = utils.createDomElement('div', { className: 'slick-pane slick-pane-top slick-pane-left', tabIndex: 0 }, _container);
_paneTopR = utils.createDomElement('div', { className: 'slick-pane slick-pane-top slick-pane-right', tabIndex: 0 }, _container);
_paneBottomL = utils.createDomElement('div', { className: 'slick-pane slick-pane-bottom slick-pane-left', tabIndex: 0 }, _container);
_paneBottomR = utils.createDomElement('div', { className: 'slick-pane slick-pane-bottom slick-pane-right', tabIndex: 0 }, _container);
if (options.createPreHeaderPanel) {
_preHeaderPanelScroller = utils.createDomElement('div', { className: 'slick-preheader-panel ui-state-default', style: { overflow: 'hidden', position: 'relative' } }, _paneHeaderL);
_preHeaderPanelScroller.appendChild(document.createElement('div'));
_preHeaderPanel = utils.createDomElement('div', null, _preHeaderPanelScroller);
_preHeaderPanelSpacer = utils.createDomElement('div', { style: { display: 'block', height: '1px', position: 'absolute', top: '0px', left: '0px' } }, _preHeaderPanelScroller);
_preHeaderPanelScrollerR = utils.createDomElement('div', { className: 'slick-preheader-panel ui-state-default', style: { overflow: 'hidden', position: 'relative' } }, _paneHeaderR);
_preHeaderPanelR = utils.createDomElement('div', null, _preHeaderPanelScrollerR);
_preHeaderPanelSpacerR = utils.createDomElement('div', { style: { display: 'block', height: '1px', position: 'absolute', top: '0px', left: '0px' } }, _preHeaderPanelScrollerR);
if (!options.showPreHeaderPanel) {
hide(_preHeaderPanelScroller);
hide(_preHeaderPanelScrollerR);
}
}
// Append the header scroller containers
_headerScrollerL = utils.createDomElement('div', { className: 'slick-header ui-state-default slick-header-left' }, _paneHeaderL);
_headerScrollerR = utils.createDomElement('div', { className: 'slick-header ui-state-default slick-header-right' }, _paneHeaderR);
// Cache the header scroller containers
_headerScroller.push(_headerScrollerL);
_headerScroller.push(_headerScrollerR);
// Append the columnn containers to the headers
_headerL = utils.createDomElement('div', { className: 'slick-header-columns slick-header-columns-left', style: { left: '-1000px' } }, _headerScrollerL);
_headerR = utils.createDomElement('div', { className: 'slick-header-columns slick-header-columns-right', style: { left: '-1000px' } }, _headerScrollerR);
// Cache the header columns
_headers = [_headerL, _headerR];
_headerRowScrollerL = utils.createDomElement('div', { className: 'slick-headerrow ui-state-default' }, _paneTopL);
_headerRowScrollerR = utils.createDomElement('div', { className: 'slick-headerrow ui-state-default' }, _paneTopR);
_headerRowScroller = [_headerRowScrollerL, _headerRowScrollerR];
_headerRowSpacerL = utils.createDomElement('div', { style: { display: 'block', height: '1px', position: 'absolute', top: '0px', left: '0px' } }, _headerRowScrollerL);
_headerRowSpacerR = utils.createDomElement('div', { style: { display: 'block', height: '1px', position: 'absolute', top: '0px', left: '0px' } }, _headerRowScrollerR);
_headerRowL = utils.createDomElement('div', { className: 'slick-headerrow-columns slick-headerrow-columns-left' }, _headerRowScrollerL);
_headerRowR = utils.createDomElement('div', { className: 'slick-headerrow-columns slick-headerrow-columns-right' }, _headerRowScrollerR);
_headerRows = [_headerRowL, _headerRowR];
// Append the top panel scroller
_topPanelScrollerL = utils.createDomElement('div', { className: 'slick-top-panel-scroller ui-state-default' }, _paneTopL);
_topPanelScrollerR = utils.createDomElement('div', { className: 'slick-top-panel-scroller ui-state-default' }, _paneTopR);
_topPanelScrollers = [_topPanelScrollerL, _topPanelScrollerR];
// Append the top panel
_topPanelL = utils.createDomElement('div', { className: 'slick-top-panel', style: { width: '10000px' } }, _topPanelScrollerL);
_topPanelR = utils.createDomElement('div', { className: 'slick-top-panel', style: { width: '10000px' } }, _topPanelScrollerR);
_topPanels = [_topPanelL, _topPanelR];
if (!options.showColumnHeader) {
_headerScroller.forEach(function (el) {
hide(el);
});
}
if (!options.showTopPanel) {
_topPanelScrollers.forEach(function (scroller) {
hide(scroller);
})
}
if (!options.showHeaderRow) {
_headerRowScroller.forEach(function (scroller) {
hide(scroller);
})
}
// Append the viewport containers
_viewportTopL = utils.createDomElement('div', { className: 'slick-viewport slick-viewport-top slick-viewport-left', tabIndex: 0 }, _paneTopL);
_viewportTopR = utils.createDomElement('div', { className: 'slick-viewport slick-viewport-top slick-viewport-right', tabIndex: 0 }, _paneTopR);
_viewportBottomL = utils.createDomElement('div', { className: 'slick-viewport slick-viewport-bottom slick-viewport-left', tabIndex: 0 }, _paneBottomL);
_viewportBottomR = utils.createDomElement('div', { className: 'slick-viewport slick-viewport-bottom slick-viewport-right', tabIndex: 0 }, _paneBottomR);
// Cache the viewports
_viewport = [_viewportTopL, _viewportTopR, _viewportBottomL, _viewportBottomR];
if (options.viewportClass) {
_viewport.forEach(function (view) {
view.classList.add(options.viewportClass);
});
}
// Default the active viewport to the top left
_activeViewportNode = _viewportTopL;
// Append the canvas containers
_canvasTopL = utils.createDomElement('div', { className: 'grid-canvas grid-canvas-top grid-canvas-left', tabIndex: 0 }, _viewportTopL);
_canvasTopR = utils.createDomElement('div', { className: 'grid-canvas grid-canvas-top grid-canvas-right', tabIndex: 0 }, _viewportTopR);
_canvasBottomL = utils.createDomElement('div', { className: 'grid-canvas grid-canvas-bottom grid-canvas-left', tabIndex: 0 }, _viewportBottomL);
_canvasBottomR = utils.createDomElement('div', { className: 'grid-canvas grid-canvas-bottom grid-canvas-right', tabIndex: 0 }, _viewportBottomR);
// Cache the canvases
_canvas = [_canvasTopL, _canvasTopR, _canvasBottomL, _canvasBottomR];
scrollbarDimensions = scrollbarDimensions || measureScrollbar();
// Default the active canvas to the top left
_activeCanvasNode = _canvasTopL;
// pre-header
if (_preHeaderPanelSpacer) {
utils.width(_preHeaderPanelSpacer, getCanvasWidth() + scrollbarDimensions.width);
}
_headers.forEach(function (el) {
utils.width(el, getHeadersWidth());
})
utils.width(_headerRowSpacerL, getCanvasWidth() + scrollbarDimensions.width);
utils.width(_headerRowSpacerR, getCanvasWidth() + scrollbarDimensions.width);
// footer Row
if (options.createFooterRow) {
_footerRowScrollerR = utils.createDomElement('div', { className: 'slick-footerrow ui-state-default' }, _paneTopR);
_footerRowScrollerL = utils.createDomElement('div', { className: 'slick-footerrow ui-state-default' }, _paneTopL);
_footerRowScroller = [_footerRowScrollerL, _footerRowScrollerR];
_footerRowSpacerL = utils.createDomElement('div', { style: { display: 'block', height: '1px', position: 'absolute', top: '0px', left: '0px' } }, _footerRowScrollerL);
utils.width(_footerRowSpacerL, getCanvasWidth() + scrollbarDimensions.width);
_footerRowSpacerR = utils.createDomElement('div', { style: { display: 'block', height: '1px', position: 'absolute', top: '0px', left: '0px' } }, _footerRowScrollerR);
utils.width(_footerRowSpacerR, getCanvasWidth() + scrollbarDimensions.width);
_footerRowL = utils.createDomElement('div', { className: 'slick-footerrow-columns slick-footerrow-columns-left' }, _footerRowScrollerL);
_footerRowR = utils.createDomElement('div', { className: 'slick-footerrow-columns slick-footerrow-columns-right' }, _footerRowScrollerR);
_footerRow = [_footerRowL, _footerRowR];
if (!options.showFooterRow) {
_footerRowScroller.forEach(function (scroller) {
hide(scroller);
});
}
}
_focusSink2 = _focusSink.cloneNode(true);
_container.appendChild(_focusSink2);
if (!options.explicitInitialization) {
finishInitialization();
}
}
function finishInitialization() {
if (!initialized) {
initialized = true;
getViewportWidth();
getViewportHeight();
// header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)
// calculate the diff so we can set consistent sizes
measureCellPaddingAndBorder();
// for usability reasons, all text selection in SlickGrid is disabled
// with the exception of input and textarea elements (selection must
// be enabled there so that editors work as expected); note that
// selection in grid cells (grid body) is already unavailable in
// all browsers except IE
disableSelection(_headers); // disable all text selection in header (including input and textarea)
if (!options.enableTextSelectionOnCells) {
// disable text selection in grid cells except in input and textarea elements
// (this is IE-specific, because selectstart event will only fire in IE)
_viewport.forEach(function (view) {
_bindingEventService.bind(view, "selectstart.ui", function (event) {
if(event.target instanceof HTMLInputElement || event.target instanceof HTMLTextAreaElement)
{
return;
}
});
})
}
setFrozenOptions();
setPaneVisibility();
setScroller();
setOverflow();
updateColumnCaches();
createColumnHeaders();
createColumnFooter();
setupColumnSort();
createCssRules();
resizeCanvas();
bindAncestorScrollEvents();
_bindingEventService.bind(_container, "resize.slickgrid", resizeCanvas);
_viewport.forEach(function (view) {
_bindingEventService.bind(view, "scroll", handleScroll);
});
if (options.enableMouseWheelScrollHandler) {
_viewport.forEach(function (view) {
slickMouseWheelInstances.push(Slick.MouseWheel({
element: view,
onMouseWheel: handleMouseWheel
}));
});
}
_headerScroller.forEach(function (el) {
_bindingEventService.bind(el, "contextmenu", handleHeaderContextMenu);
_bindingEventService.bind(el, "click", handleHeaderClick);
});
_headerRowScroller.forEach(function (scroller) {
_bindingEventService.bind(scroller, "scroll", handleHeaderRowScroll);
});
if (options.createFooterRow) {
_footerRow.forEach(function (footer) {
_bindingEventService.bind(footer, "contextmenu", handleFooterContextMenu)
_bindingEventService.bind(footer, "click", handleFooterClick);
});
_footerRowScroller.forEach(function (scroller) {
_bindingEventService.bind(scroller, "scroll", handleFooterRowScroll);
});
}
if (options.createPreHeaderPanel) {
_bindingEventService.bind(_preHeaderPanelScroller, "scroll", handlePreHeaderPanelScroll);
}
_bindingEventService.bind(_focusSink, "keydown", handleKeyDown);
_bindingEventService.bind(_focusSink2, "keydown", handleKeyDown);
_canvas.forEach(function (element) {
_bindingEventService.bind(element, "keydown", handleKeyDown);
_bindingEventService.bind(element, "click", handleClick);
_bindingEventService.bind(element, "dblclick", handleDblClick);
_bindingEventService.bind(element, "contextmenu", handleContextMenu);
_bindingEventService.bind(element, "mouseover", handleCellMouseOver);
_bindingEventService.bind(element, "mouseout", handleCellMouseOut);
});
if (Slick.Draggable) {
slickDraggableInstance = Slick.Draggable({
containerElement: _container,
allowDragFrom: 'div.slick-cell',
onDragInit: handleDragInit,
onDragStart: handleDragStart,
onDrag: handleDrag,
onDragEnd: handleDragEnd
});
}
if (!options.suppressCssChangesOnHiddenInit) {
restoreCssFromHiddenInit();
}
}
}
function cacheCssForHiddenInit() {
// handle display:none on container or container parents
_hiddenParents = utils.parents(_container, ":hidden");
for (const el of _hiddenParents) {
var old = {};
for ( const name in cssShow ) {
old[ name ] = el.style[ name ];
el.style[ name ] = cssShow[ name ];
}
oldProps.push(old);
}
}
function restoreCssFromHiddenInit() {
// finish handle display:none on container or container parents
// - put values back the way they were
let i = 0;
for (const el of _hiddenParents) {
var old = oldProps[i++];
for (const name in cssShow) {
el.style[name] = old[name];
}
}
}
function hasFrozenColumns() {
return options.frozenColumn > -1;
}
function registerPlugin(plugin) {
plugins.unshift(plugin);
plugin.init(self);
}
function unregisterPlugin(plugin) {
for (var i = plugins.length; i >= 0; i--) {
if (plugins[i] === plugin) {
if (plugins[i].destroy) {
plugins[i].destroy();
}
plugins.splice(i, 1);
break;
}
}
}
function getPluginByName(name) {
for (var i = plugins.length-1; i >= 0; i--) {
if (plugins[i].pluginName === name) {
return plugins[i];
}
}
return undefined;
}
function setSelectionModel(model) {
if (selectionModel) {
selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);
if (selectionModel.destroy) {
selectionModel.destroy();
}
}
selectionModel = model;
if (selectionModel) {
selectionModel.init(self);
selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);
}
}
function getSelectionModel() {
return selectionModel;
}
function getCanvasNode(columnIdOrIdx, rowIndex) {
return _getContainerElement(getCanvases(), columnIdOrIdx, rowIndex);
}
function getActiveCanvasNode(e) {
if (e === undefined) {
return _activeCanvasNode;
}
if (e instanceof Slick.EventData) {
e = e.getNativeEvent();
}
_activeCanvasNode = e.target.closest('.grid-canvas');
return _activeCanvasNode;
}
function getCanvases() {
return _canvas;
}
function getViewportNode(columnIdOrIdx, rowIndex) {
return _getContainerElement(getViewports(), columnIdOrIdx, rowIndex);
}
function getViewports() {
return _viewport;
}
function getActiveViewportNode(e) {
setActiveViewportNode(e);
return _activeViewportNode;
}
function setActiveViewportNode(e) {
if (e instanceof Slick.EventData) {
e = e.getNativeEvent();
}
_activeViewportNode = e.target.closest('.slick-viewport');
return _activeViewportNode;
}
function _getContainerElement(targetContainers, columnIdOrIdx, rowIndex) {
if (!targetContainers) { return }
if (!columnIdOrIdx) { columnIdOrIdx = 0; }
if (!rowIndex) { rowIndex = 0; }
var idx = (typeof columnIdOrIdx === "number" ? columnIdOrIdx : getColumnIndex(columnIdOrIdx));
var isBottomSide = hasFrozenRows && rowIndex >= actualFrozenRow + (options.frozenBottom ? 0 : 1);
var isRightSide = hasFrozenColumns() && idx > options.frozenColumn;
return targetContainers[(isBottomSide ? 2 : 0) + (isRightSide ? 1 : 0)];
}
function measureScrollbar() {
var outerdiv = utils.createDomElement('div', { className: _viewport.className, style: { position: 'absolute', top: '-10000px', left: '-10000px', overflow: 'auto', width: '100px', height: '100px' } }, document.body);
var innerdiv = utils.createDomElement('div', { style: { width: '200px', height: '200px', overflow: 'auto' } }, outerdiv);
var dim = {
width: outerdiv.offsetWidth - outerdiv.clientWidth,
height: outerdiv.offsetHeight - outerdiv.clientHeight
};
innerdiv.remove();
outerdiv.remove();
return dim;
}
function getHeadersWidth() {
headersWidth = headersWidthL = headersWidthR = 0;
var includeScrollbar = !options.autoHeight;
for (var i = 0, ii = columns.length; i < ii; i++) {
if (!columns[i] || columns[i].hidden) continue;
var width = columns[ i ].width;
if (( options.frozenColumn ) > -1 && ( i > options.frozenColumn )) {
headersWidthR += width;
} else {
headersWidthL += width;
}
}
if (includeScrollbar) {
if (( options.frozenColumn ) > -1 && ( i > options.frozenColumn )) {
headersWidthR += scrollbarDimensions.width;
} else {
headersWidthL += scrollbarDimensions.width;
}
}
if (hasFrozenColumns()) {
headersWidthL = headersWidthL + 1000;
headersWidthR = Math.max(headersWidthR, viewportW) + headersWidthL;
headersWidthR += scrollbarDimensions.width;
} else {
headersWidthL += scrollbarDimensions.width;
headersWidthL = Math.max(headersWidthL, viewportW) + 1000;
}
headersWidth = headersWidthL + headersWidthR;
return Math.max(headersWidth, viewportW) + 1000;
}
function getHeadersWidthL() {
headersWidthL =0;
columns.forEach(function(column, i) {
if (column.hidden) return;
if (!((options.frozenColumn) > -1 && (i > options.frozenColumn))) {
headersWidthL += column.width;
}
});
if (hasFrozenColumns()) {
headersWidthL += 1000;
} else {
headersWidthL += scrollbarDimensions.width;
headersWidthL = Math.max(headersWidthL, viewportW) + 1000;
}
return headersWidthL;
}
function getHeadersWidthR() {
headersWidthR =0;
columns.forEach(function(column, i) {
if (column.hidden) return;
if ((options.frozenColumn) > -1 && (i > options.frozenColumn)) {
headersWidthR += column.width;
}
});
if (hasFrozenColumns()) {
headersWidthR = Math.max(headersWidthR, viewportW) + getHeadersWidthL();
headersWidthR += scrollbarDimensions.width;
}
return headersWidthR;
}
function getCanvasWidth() {
var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;
var i = columns.length;
canvasWidthL = canvasWidthR = 0;
while (i--) {
if (!columns[i] || columns[i].hidden) continue;
if (hasFrozenColumns() && (i > options.frozenColumn)) {
canvasWidthR += columns[i].width;
} else {
canvasWidthL += columns[i].width;
}
}
var totalRowWidth = canvasWidthL + canvasWidthR;
if (options.fullWidthRows) {
var extraWidth = Math.max(totalRowWidth, availableWidth) - totalRowWidth;
if (extraWidth > 0) {
totalRowWidth += extraWidth;
if (hasFrozenColumns()) {
canvasWidthR += extraWidth;
} else {
canvasWidthL += extraWidth;
}
}
}
return totalRowWidth;
}
function updateCanvasWidth(forceColumnWidthsUpdate) {
var oldCanvasWidth = canvasWidth;
var oldCanvasWidthL = canvasWidthL;
var oldCanvasWidthR = canvasWidthR;
var widthChanged;
canvasWidth = getCanvasWidth();
widthChanged = canvasWidth !== oldCanvasWidth || canvasWidthL !== oldCanvasWidthL || canvasWidthR !== oldCanvasWidthR;
if (widthChanged || hasFrozenColumns() || hasFrozenRows) {
utils.width(_canvasTopL, canvasWidthL);
getHeadersWidth();
utils.width(_headerL, headersWidthL);
utils.width(_headerR, headersWidthR);
if (hasFrozenColumns()) {
const cWidth = utils.width(_container) || 0;
if (cWidth > 0 && canvasWidthL > cWidth) {
throw new Error('[SlickGrid] Frozen columns cannot be wider than the actual grid container width. '
+ 'Make sure to have less columns freezed or make your grid container wider');
}
utils.width(_canvasTopR, canvasWidthR);
utils.width(_paneHeaderL, canvasWidthL);
utils.setStyleSize(_paneHeaderR, 'left', canvasWidthL);
utils.setStyleSize(_paneHeaderR, 'width', viewportW - canvasWidthL);
utils.width(_paneTopL, canvasWidthL);
utils.setStyleSize(_paneTopR, 'left', canvasWidthL);
utils.width(_paneTopR, viewportW - canvasWidthL);
utils.width(_headerRowScrollerL, canvasWidthL);
utils.width(_headerRowScrollerR, viewportW - canvasWidthL);
utils.width(_headerRowL, canvasWidthL);
utils.width(_headerRowR, canvasWidthR);
if (options.createFooterRow) {
utils.width(_footerRowScrollerL, canvasWidthL);
utils.width(_footerRowScrollerR, viewportW - canvasWidthL);
utils.width(_footerRowL, canvasWidthL);
utils.width(_footerRowR, canvasWidthR);
}
if (options.createPreHeaderPanel) {
utils.width(_preHeaderPanel, canvasWidth);
}
utils.width(_viewportTopL, canvasWidthL);
utils.width(_viewportTopR, viewportW - canvasWidthL);
if (hasFrozenRows) {
utils.width(_paneBottomL, canvasWidthL);
utils.setStyleSize(_paneBottomR, "left", canvasWidthL);
utils.width(_viewportBottomL, canvasWidthL);
utils.width(_viewportBottomR, viewportW - canvasWidthL);
utils.width(_canvasBottomL, canvasWidthL);
utils.width(_canvasBottomR, canvasWidthR);
}
} else {
utils.width(_paneHeaderL, '100%');
utils.width(_paneTopL, '100%');
utils.width(_headerRowScrollerL, '100%');
utils.width(_headerRowL, canvasWidth);
if (options.createFooterRow) {
utils.width(_footerRowScrollerL, '100%');
utils.width(_footerRowL, canvasWidth);
}
if (options.createPreHeaderPanel) {
utils.width(_preHeaderPanel, canvasWidth);
}
utils.width(_viewportTopL, '100%');
if (hasFrozenRows) {
utils.width(_viewportBottomL, '100%');
utils.width(_canvasBottomL, canvasWidthL);
}
}
}
viewportHasHScroll = (canvasWidth >= viewportW - scrollbarDimensions.width);
utils.width(_headerRowSpacerL, canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));
utils.width(_headerRowSpacerR, canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));
if (options.createFooterRow) {
utils.width(_footerRowSpacerL, canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));
utils.width(_footerRowSpacerR, canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));
}
if (widthChanged || forceColumnWidthsUpdate) {
applyColumnWidths();
}
}
function disableSelection(target) {
target.forEach(function (el) {
el.setAttribute("unselectable", "on")
el.style.MozUserSelect = "none";
_bindingEventService.bind(el, "selectstart.ui", function () {
return false;
});
});
}
function getMaxSupportedCssHeight() {
let supportedHeight = 1000000;
// FF reports the height back but still renders blank after ~6M px
//var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;
const testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? options.ffMaxSupportedCssHeight : options.maxSupportedCssHeight;
const div = utils.createDomElement('div', { style: { display: 'hidden' } }, document.body);
while (true) {