List

One of the cell drop-down controls in SpreadJS is list. This drop-down can be defined in JavaScript code with the style properties. This style can be applied to cells in the workbook, creating a list with the defined items in that cell. The different types of list drop-downs are shown in the spreadsheet below.

Drop-downs provide a developer the ability to add a drop-down menu with specific properties to cells in a workbook. These drop-down menus don't require any extra code other than simply specifying which one to use for the drop-down menu. SpreadJS has 9 different kinds of drop-downs, and this demo shows how to use the List drop-down. Before opening the list, you need to set the options data in cell's style. You can use List drop-down with the following code : You also can customize the organization of the list by passing in different options. The list options interface is as follows: You can refer the above sample's code in app.js. Customize List You can customize the list items with a function that returns the DOM element and a callback function that returns the value when clicked. MultiSelect List You can set the list to multi-select by setting the options to true. It will use a comma as the separator character if the valueType is default or string.
var spreadNS = GC.Spread.Sheets; window.onload = function () { var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss")); spread.setSheetCount(2); var sheet = spread.getSheet(0); initSheet(sheet, false); sheet = spread.getSheet(1); sheet.name("multi-select list") initSheet(sheet, true); spread.commandManager().execute({cmd:"openList",row:3,col:4,sheetName:"Sheet1"}); }; function initSheet(sheet, multiSelect) { sheet.suspendPaint(); // -------------------- Vertical text list --------------------- var verticalStyle = new GC.Spread.Sheets.Style(); verticalStyle.cellButtons = [ { imageType: GC.Spread.Sheets.ButtonImageType.dropdown, command: "openList", useButtonStyle: true, } ]; verticalStyle.dropDowns = [ { type: GC.Spread.Sheets.DropDownType.list, option: { multiSelect: multiSelect, items: [ { text: 'item1', value: 'item1' }, { text: 'item2', value: 'item2' }, { text: 'item3', value: 'item3' }, { text: 'item4', value: 'item4' } ], } } ]; sheet.setText(2, 1, "Vertical text list"); sheet.setStyle(3, 1, verticalStyle); // -------------------- Simple Icon list --------------------- var simpleIconListData = { multiSelect: multiSelect, items: [ { text: 'item1', value: 'item1', icon: "data:image/png;base64,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" }, { text: 'item2', value: 'item2', icon: "data:image/png;base64,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" }, { text: 'item3', value: 'item3', icon: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABWUlEQVQ4T42SrUsEQRjGf68YNIsIomBSsGpSg1XQqMWPaxbBDxTdTV7bOVQ4DXa/ihZBNBsULNdE0GK4YLh/4ILwyg5zy+7c7uGkeed53t++z8wKBUtD+vll2Mrd1CWikWeVvEMNOAZ2Pe1EDHu+vw2gAZoyPbv9bOtMDJmeTKEBt8Cib/agd2JYSjytjYaMonwmX1fu6aVk6yZHwHqiCWMS8RXXyQQasAxcp0wLwICr31HeUtFWxHDjA+LR4wjx+hHDoAaUrclQ1oBvYMTpG2I4zwL2GaKLujUoVamw4wFi2KHT56XCYwZg+wKegDmEKaAP5cE2CHGchotRE8Nk2yVawAFrCBf+W2dqpSQVLnMBbopTYLMAciaGrbRW9Ce+ANMe5FUMMz44HxAyjlIDelxDE2FCIj7+BbBRQlZRl1VYk4irvFi5E7SMGlB1/8F20cV2BHR8DSf+ATHpYBEJcyFZAAAAAElFTkSuQmCC" }, { text: 'item4', value: 'item4', icon: "data:image/png;base64,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" } ] }; var simpleIconListStyle = new GC.Spread.Sheets.Style(); simpleIconListStyle.cellButtons = [ { imageType: GC.Spread.Sheets.ButtonImageType.dropdown, command: "openList", useButtonStyle: true, } ]; simpleIconListStyle.dropDowns =[ { type: GC.Spread.Sheets.DropDownType.list, option: simpleIconListData } ]; sheet.setText(2, 4, "Vertical text list"); sheet.setStyle(3, 4, simpleIconListStyle); // -------------------- Vertical group list --------------------- var groupListData= { multiSelect: multiSelect, items: [ { text: 'group 1', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.inline }, items: [ { text: 'item1', value: 'item1' }, { text: 'item2', value: 'item2' } ], }, { text: 'group 2', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.inline }, items: [ { text: 'item3', value: 'item3' }, { text: 'item4', value: 'item4' } ] } ] }; var groupListStyle = new GC.Spread.Sheets.Style(); groupListStyle.cellButtons = [ { imageType: GC.Spread.Sheets.ButtonImageType.dropdown, command: "openList", useButtonStyle: true, } ]; groupListStyle.dropDowns =[ { type: GC.Spread.Sheets.DropDownType.list, option: groupListData } ]; sheet.setText(2, 8, "Vertical group list"); sheet.setStyle(3, 8, groupListStyle); // -------------------- Vertical cascade group list --------------------- var cascadeListData= { multiSelect: multiSelect, items: [ { text: 'item1', value: 'item1', layout: {displayAs: GC.Spread.Sheets.LayoutDisplayAs.popup}, items: [ { text: 'sub-item1', value: 'sub-item1' }, { text: 'sub-item2', value: 'sub-item2' } ] }, { text: 'item2', value: 'item2', }, { text: 'item3', value: 'item3', }, { text: 'item4', value: 'item4', } ] }; var verticalCascadeListStyle = new GC.Spread.Sheets.Style(); verticalCascadeListStyle.cellButtons = [ { imageType: GC.Spread.Sheets.ButtonImageType.dropdown, command: "openList", useButtonStyle: true, } ]; verticalCascadeListStyle.dropDowns =[ { type: GC.Spread.Sheets.DropDownType.list, option: cascadeListData } ]; sheet.setText(2, 12, "Vertical cascade group list"); sheet.setStyle(3, 12, verticalCascadeListStyle); // -------------------- Group cascade list --------------------- var groupCascadeListData= { multiSelect: multiSelect, items: [ { text: 'group 1', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.inline }, items: [ { text: 'item1', value: 'item1', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.popup }, items: [ { text: 'sub-item1', value: 'sub-item1' }, { text: 'sub-item2', value: 'sub-item2' } ] }, { text: 'item2', value: 'item2', } ] }, { text: 'group 2', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.inline }, items: [ { text: 'item3', value: 'item3', }, { text: 'item4', value: 'item4', } ] } ] }; var groupCascadeListStyle = new GC.Spread.Sheets.Style(); groupCascadeListStyle.cellButtons = [ { imageType: GC.Spread.Sheets.ButtonImageType.dropdown, command: "openList", useButtonStyle: true, } ]; groupCascadeListStyle.dropDowns =[ { type: GC.Spread.Sheets.DropDownType.list, option: groupCascadeListData } ]; sheet.setText(11, 1, "Group cascade list"); sheet.setStyle(12, 1, groupCascadeListStyle); // -------------------- Tree list --------------------- var treeListData = { multiSelect: multiSelect, items: [ { text: 'group 1', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.tree, collapsible: true }, items: [ { text: 'sub group 1-1', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.tree, collapsible: true }, items: [ { text: 'sub group item1', value: 'subGroupItem1' }, { text: 'sub group item2', value: 'subGroupItem2' } ] }, { text: 'sub group 1-2', value: 'subGroup12' } ], }, { text: 'group 2', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.tree}, items: [ { text: 'sub group 2-1', layout: { displayAs: GC.Spread.Sheets.LayoutDisplayAs.tree}, items: [ { text: 'sub group item3', value: 'subGroupItem3' }, { text: 'sub group item4', value: 'subGroupItem5' } ] }, { text: 'sub group 2-2', value: 'subGroup22' } ], }, ] }; var treeListStyle = new GC.Spread.Sheets.Style(); treeListStyle.cellButtons = [ { imageType: GC.Spread.Sheets.ButtonImageType.dropdown, command: "openList", useButtonStyle: true, } ]; treeListStyle.dropDowns =[ { type: GC.Spread.Sheets.DropDownType.list, option: treeListData } ]; sheet.setText(11, 4, "Vertical tree list"); sheet.setStyle(12, 4, treeListStyle); // -------------------- Horizontal group list --------------------- var horizontalGroupListData = { multiSelect: multiSelect, layout: {direction: GC.Spread.Sheets.LayoutDirection.horizontal}, items: [ { layout: {displayAs: GC.Spread.Sheets.LayoutDisplayAs.inline, direction: GC.Spread.Sheets.LayoutDirection.horizontal}, text: 'group 1', items: [ { text: 'item1', value: 'item1' }, { text: 'item2', value: 'item2' } ], }, { text: 'group 2', layout: {displayAs: GC.Spread.Sheets.LayoutDisplayAs.inline}, items: [ { text: 'item3', value: 'item3' }, { text: 'item4', value: 'item4' } ] } ] }; var horizontalGroupListStyle = new GC.Spread.Sheets.Style(); horizontalGroupListStyle.cellButtons = [ { imageType: GC.Spread.Sheets.ButtonImageType.dropdown, command: "openList", useButtonStyle: true, } ]; horizontalGroupListStyle.dropDowns =[ { type: GC.Spread.Sheets.DropDownType.list, option: horizontalGroupListData } ]; sheet.setText(11, 8, "Vertical tree list"); sheet.setStyle(12, 8, horizontalGroupListStyle); // -------------------- Custom list --------------------- // This part just shows how to custom a list. (not a real color selector) function generateStandardColors() { return generateColors(10, 0, 65526) } function generateThemeColors() { return generateColors(10, 0, 16777215) } function colorClicked(event) { var target = event.target; if (target && target.classList.contains("custom-color-block")) { var color = target.style.backgroundColor; return color; } return null; } function generateColors(count, start, stop) { function pad(pad, str, padLeft) { if (typeof str === "undefined") { return pad; } if (padLeft) { return (pad + str).slice(-pad.length); } else { return (str + pad).substring(0, pad.length); } } var div = document.createElement("div"); div.style.width = "140px"; var step = (stop - start) / count | 0; for (var i = start, index = 0; i < stop && index < count; i += step, index++) { var item = document.createElement("div"); item.style.backgroundColor = "#" + pad('000000', i.toString(16), true); item.style.width = '12px'; item.style.height = '12px'; item.style.border = '1px solid #c3c3c3'; item.classList.add("custom-color-block"); div.appendChild(item); } return div; } var colorListData= { multiSelect: multiSelect, onItemSelected: colorClicked, items: [ { text: 'Theme Colors', layout: { direction: GC.Spread.Sheets.LayoutDirection.horizontal, displayAs: GC.Spread.Sheets.LayoutDisplayAs.inline }, items: generateThemeColors }, { text: 'Standard Colors', layout: { direction: GC.Spread.Sheets.LayoutDirection.horizontal, displayAs: GC.Spread.Sheets.LayoutDisplayAs.inline }, items: generateStandardColors }, { text: 'No Color', value: 'nocolor' }, { text: 'More Colors...', value: 'morecolors', icon: 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' } ] }; var customStyle = new GC.Spread.Sheets.Style(); customStyle.cellButtons = [ { imageType: GC.Spread.Sheets.ButtonImageType.dropdown, command: "openList", useButtonStyle: true, } ]; customStyle.dropDowns =[ { type: GC.Spread.Sheets.DropDownType.list, option: colorListData } ]; sheet.setText(11, 12, "Custom list"); sheet.setStyle(12, 12, customStyle); sheet.resumePaint(); }
<!doctype html> <html style="height:100%;font-size:14px;"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="stylesheet" type="text/css" href="$DEMOROOT$/en/purejs/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css"> <script src="$DEMOROOT$/en/purejs/node_modules/@mescius/spread-sheets/dist/gc.spread.sheets.all.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script> <script src="app.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="styles.css"> </head> <body> <div class="sample-tutorial"> <div id="ss" style="width:100%; height: 100%"></div> </div> </body> </html>
.sample-tutorial { position: relative; height: 100%; overflow: hidden; } body { position: absolute; top: 0; bottom: 0; left: 0; right: 0; }