dojo grids in xpages

Dojo grids in XPages

Tweet about this event: #xpages and mention us: @teamstudio @TLCCLTD @Balassaitis

June 27, 2013

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Dojo Data Grids in XPages Your Hosts Today:

#XPages

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@paulDN

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Asking Questions

Q & A at the end! Type in your questions as they come up

Your Presenter Today:

#XPages

Brad Balassaitis @Balassaitis http://xcellerant.net/

Dojo Grids in XPages

Brad Balassaitis Senior Consultant, PSC Group

June 27th, 2013

Brad Balassaitis

• Notes/Domino developer for 17 years, XPages for 3 years

• Senior Consultant at PSC Group • XPages Developer

• Project Lead

• Contact Information • Blog: http://xcellerant.net

• Twitter: @Balassaitis

• Skype: brad.balassaitis

www.psclistens.com @pscgroup

Agenda • Dojo Data Grid Control

• Creation and Default Features

• Dojo Data Grid – Additional Features

• Sorting, Opening Docs, Searching, Editing

• Dojo EnhancedGrid

• Conversion

• Plugins

• Dojo TreeGrid

• Categorization

• Counts and Totals 3

Dojo Data Grid Control

• Availability

• Extension Library

• 8.5.3 Upgrade Pack 1

• Notes 9

• Creates a Dojo DataGrid

Why Use the Dojo Data Grid?

• It’s not a view panel

• Feature-rich

• Adjustable columns, sorting, editing…

• Dojo is already on the Domino server

• Enhanced plugins available

Creating a Dojo Data Grid

1. Create REST Service to provide data

2. Add the Dojo Data Grid control and bind to the REST service

3. Add Dojo Data Grid Columns

REST Service

• REST is a standard for client-server data exchange on the web

• Common method for providing data to a grid

• REST Service Control (ExtLib, 8.5.3 UP1, R9)

• Data Access > REST Service

REST Service - Creation

1. Add REST Service control to the page

2. Select the service type

• basics > service > + > xe:viewJsonService

3. Set the contentType to application/json

• basics > service > contentType

4. Select the view

• basics > service > viewName

5. Set defaultColumns to true

• basics > service > defaultColumns 8

REST Service - Customization

• Compute columns

• System columns

• Roll your own

REST Service – Verification

• Set pathInfo

• All Properties > basics > pathInfo

• Test it

• Server.com/dbname.nsf/XPage.xsp/pathInfoName

Creating a Dojo Data Grid

1. Create REST Service to provide data

2. Add the Dojo Data Grid control and bind to the REST service

3. Add Dojo Data Grid Columns

Default Grid Features

• Infinite scrolling

• Adjustable column widths

• Row highlighting

• Extended selection mode

• Sortable columns

• Multiple row entries

Additional Grid Properties

• rowSelector

• autoHeight

• rowsPerPage

• escapeHTMLInData

• loadingMessage

• errorMessage

• dir

Dojo Attributes

• More grid features are available, but not via properties

• e.g. Column Reordering, Grid Width

• Dojo > Dojo attributes:

• All Properties > dojo > dojo attributes

Column Reordering

• Allows user to rearrange columns

• Set via dojo attribute

Column Reordering

• Alternate Method of Setting Attribute

Grid Width

• By default, takes up width of container

• autoWidth attribute sizes to required width

• Set via dojo attribute

Grid Column Properties

• label

• width

• hidden

• editable

• formatter

• Example: format to all upper case

function allUpper(value) {

return value.toUpperCase();

Sorting

• Automatically attempts to provide ascending and descending sorting on all columns

• Each sort only works if enabled in underlying view

Preventing Sort Options

• Attach a function to the canSort property of grid • Receives column index number

• 1-based index

• Ascending sort is positive number, descending is negative

• Returns true or false

• Run code onClientLoad of page to attach function • Example: Allow even numbered columns to sort

dijit.byId('#{id:djxDataGrid1}').canSort = function(col){

if (col % 2 == 0) {

return true;

} else {

return false;

Opening Documents

• Link not built-in

• Row click events: onRowClick, onRowDblClick

• Client JavaScript

• Events receive an argument with many properties

• Code varies based on REST service type

REST Service Output

viewJsonService viewItemFileService

Open Doc - viewJsonService

var grid = arguments[0].grid;

var index = arguments[0].rowIndex;

var item = grid.getItem(index);

var unid = item[‘@unid’];

var url = ‘MyPageName.xsp?documentId=‘ + unid +

‘&action=openDocument’;

window.document.location.href = url;

Open Doc - viewItemFileService

var index = arguments[0].rowIndex;

var unid = REST_SERVICE_NAME._items[index].attributes[‘@unid’];

var url = ‘MyPageName.xsp?documentId=’ + unid +

‘&action=openDocument’;

window.document.location.href = url;

Search – Full Text

• Same steps as other display controls

• Steps:

1. Create search field and bind to scope var

2. Set REST service’s search property to scope var

3. Add button that triggers partial refresh on grid and REST service

• Cannot sort results

• DB must be full-text indexed

Editable Columns

• Set column’s editable property to true

• Double-click cell to change to edit mode

• Save the changes – one line of client JavaScript • REST_SERVICE_ID.save()

• Use the jsId property if defined (else, id)

• **Does not work without grid autoHeight set

• Undo changes – one line of JavaScript (in theory) • REST_SERVICE_ID.revert()

• Partial refresh on grid has same effect 26

Editable Columns – Field Types

• cellType property

• Cell (default) – plain text

• Select – drop-down list (compute options w/ SSJS)

• Bool – checkbox

• AlwaysEdit – not a field type

• RowIndex – nothing to do with editing!

Editable Columns – Field Types

• Edit date field with date picker

• 1 – Include module: dojox.grid.cells.DateTextBox

• 2 – Set cell type: dojox.grid.cells.DateTextBox

• Only works in Notes 9

Editable Columns

• REST service’s save() function can accept callbacks

• Useful for displaying an error if save fails

var saveCallbacks = {onError: function()

{alert('There was an error saving your changes.');}};

restServiceID.save(saveCallbacks);

• Editable columns work with viewItemFileService, but require a Web Site document to work with viewJsonService

• Can only edit columns mapped to a single field

• Grid has singleClickEdit property

• Highlighting changes

HTML Columns

• Create custom column in REST service (or use existing view column) with HTML content

• Add Grid Column to display HTML content column

• Set Grid property escapeHTMLInData = false

• Not a good idea – vulnerable to XSS

Icon Columns

• Doesn’t work as pass-thru HTML

• Requires column formatter function (client JS)

• Formatter can conditionally return <IMG> tag

• Does not require escapeHTMLInData property

• Much more secure for all passthru HTML

Dojo EnhancedGrid

• Dojo module that extends DataGrid

• Already available on the server

• Provides enhanced features via plugins

• Check for available features based on Domino/Dojo version

• Domino 8.5.3 – Dojo 1.6

• Domino 9 – Dojo 1.8

• http://dojotoolkit.org/reference-guide/1.6/dojox/grid/EnhancedGrid.html

Converting to EnhancedGrid

• Dojo Data Grid control creates a Dojo DataGrid

• You can modify to create a Dojo EnhancedGrid

1. Load the EnhancedGrid module

2. Set grid Dojo type

3. Load required style sheets

• 1 - Load the EnhancedGrid module on the page

• Resources > Add > Dojo Module

• dojox.grid.EnhancedGrid

• 2 - Set grid Dojo type to dojox.grid.EnhancedGrid

• Properties > Dojo > Dojo type

• 3 - Load required style sheets

• Load relative to the Domino server path

<xp:styleSheet

href="/.ibmxspres/dojoroot/dojox/grid/resources/Grid.css">

</xp:styleSheet>

<xp:styleSheet

href="/.ibmxspres/dojoroot/dojox/grid/resources/EnhancedGrid.css">

</xp:styleSheet>

Verify EnhancedGrid

EnhancedGrid Plugin - DnD

• Provides ability to drag and drop columns, rows, and cells

• Configuration object defines options

• Add a row selector to drag and drop rows

• Usage

1. Select content to drag

2. Release mouse button

3. Click on the data to move it

• IMPORTANT: When cells are moved, changes are automatically saved

1. Load the DnD plugin

• Properties > Resources > Add > Dojo Module

• dojox.grid.enhanced.plugins.DnD

2. Add plugin to grid as an attribute

• Dojo > Add

• Name: plugins

• Value: {dnd: {dndConfig:{} } }

• All selection types enabled by default

EnhancedGrid Plugin - Filter

• Adds a filter bar

• Up to 3 Filtering rules

• Match all rules or any rule

• Select column to filter

• Select matching condition (is, contains, starts with…)

• No coding required!!

• Results are sortable

1. Load the Filter plugin

• Properties > Resources > Add > Dojo Module

• dojox.grid.enhanced.plugins.Filter

2. Add plugin to grid as an attribute

• Dojo > Add • Name: plugins

• Value: {filter: true}

3. Add a stylesheet

<xp:styleSheet

href="/.ibmxspres/dojoroot/dojox/grid/enhanced/resources/claro/EnhancedGrid.css">

</xp:styleSheet>

EnhancedGrid – More Plugins

• Print

• Provides ability to preview or print grid contents

• Print/Preview All, Selected, Custom

• Exporter

• Provides grid data for export – you handle the rest

• Export All, Selected, Custom

• Menu

• Context menus for columns, rows, cells, selected

• Build with dijit menus and dijit menu items

Dojo TreeGrid

• Provides multi-level categorization

• Can provide column totals and counts

• Extends Dojo DataGrid

• Cannot use EnhancedGrid plugins

• Poor documentation

• Apparently cannot use Dojo Data Grid control

TreeGrid - Implementation

• Programmatic -- NOT the Dojo Data Grid Control

1. Include required dojo modules and stylesheets

2. Set XPage to parse dojo on load

3. Define a <div> to render the grid and size it

4. Execute code onClientLoad to configure and generate the grid

5. Provide data for the grid (XAgent) • Complicated format

{ id: 'AS', name:'Asia', type:'continent',

children:[{_reference:'CN'}, {_reference:'IN'}] },

{ id: 'CN', name:'China', type:'country' },

{ id: 'IN', name:'India', type:'country' },

TreeGrid – Totals and Counts

• Inline when collapsed, below when expanded

• Requires a different (but simpler) JSON model {id:'AK', type: 'state', state:'AK', numPeople: 3,

childItems:[

{id:'B3093953178C98E905257838007ABC48', firstname:'Bella', lastname: 'Martin', valueToAdd: 2},

{id:'7FDB9CCDE7D6923E05257838007ABC1E', firstname:'Brian', lastname: 'Leggett', valueToAdd: 2}

• Add an aggregate property • Set to “sum” or “cnt”

• Numeric columns handled properly; text concatenated

• Formatter functions can modify display (and hide text)

TreeGrid – Data Format Caveat

• Simpler JSON format causes blank rows when used without counts/totals

TreeGrid - Features

• defaultOpen – expanded or collapsed

• openAtLevels – auto expand all categories with less items than the defined amount

• Doesn’t work with ForestStoreModel

• expandoCell – column to display expand icon

Questions?

Data Grid Blogs: http://xcellerant.net/dojo-grids-in-xpages/

Twitter: @Balassaitis

Questions????

Use the Q&A pane in WebEx to ask questions We will answer your questions verbally

Question and Answer Time!

Teamstudio Questions? contactus@teamstudio.com 877-228-6178

TLCC Questions?

howardg@tlcc.com paul@tlcc.com 888-241-8522 or 561-953-0095

Brad Balassaitis Howard Greenberg Taline Badrikian

Upcoming Events: TLCC Spring Sale, ends tomorrow!!!

MWLUG in Indianapolis and TackItOn

ICON UK in Brighton and TackItOn

30% off all Teamstudio tools and 15% off all Ytria tools

Next webinar July 24th – Making Mobile App Dev Easy

SoftBank World 2013 July 23-24 in Japan

#XPages

@Balassaitis

@TLCCLtd

@Teamstudio

@PaulDN

Paul Della-Nebbia

dojo grids in xpages

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