Platform Explorer / Nuxeo Platform LTS 2019 10.10

Component org.nuxeo.ecm.platform.forms.layout.WebLayoutManager

Implementation

Javadoc: org.nuxeo.ecm.platform.forms.layout.service.WebLayoutManagerImpl

Services

Extension points

Contributions

XML source

<?xml version="1.0"?>

<component name="org.nuxeo.ecm.platform.forms.layout.WebLayoutManager">
  <documentation>
    The web layout manager provides extension points for pluggable widget types
    and layouts.

    Layouts are groups of widgets controlling the rendering of (for instance) a
    document fields display on a page. The layouts and widgets can be displayed
    in a given mode (create, edit, view, etc...).

    @version 1.0
    @author Anahide Tchertchian (at@nuxeo.com)
  </documentation>

  <require>org.nuxeo.ecm.platform.forms.layout.LayoutStore</require>

  <implementation
    class="org.nuxeo.ecm.platform.forms.layout.service.WebLayoutManagerImpl" />

  <service>
    <provide
      interface="org.nuxeo.ecm.platform.forms.layout.service.WebLayoutManager" />
  </service>

  <extension-point name="widgettypes">
    <documentation>
      A widget type defines how a widget will be displayed in a given mode.

      For instance, the text widget type will display a regular text in view
      mode, and a text input on create or edit modes, with additional message on
      errors.

      Widget types use facelets features to provide this behaviour. Extensions
      are defined using a class that must follow the {@see
      org.nuxeo.ecm.platform.forms.layout.facelets.WidgetTypeHandler} interface.

      Additional properties can be added to the type registration so that the
      same class can be reused with a different behaviour given the property
      value.

      Example of a widget type registration:

      <code>
        <widgetType name="text">
          <handler-class>
            org.nuxeo.ecm.platform.forms.layout.facelets.plugins.TextWidgetTypeHandler
          </handler-class>
          <property name="foo">bar</property>
        </widgetType>
      </code>

    </documentation>
    <object
      class="org.nuxeo.ecm.platform.forms.layout.descriptors.WidgetTypeDescriptor" />
  </extension-point>

  <extension-point name="layouttypes">
    <object
      class="org.nuxeo.ecm.platform.forms.layout.descriptors.LayoutTypeDescriptor" />
  </extension-point>

  <extension-point name="layouts">
    <documentation>
      A layout is a group of widgets that defines the rendering of a document in
      a given mode.

      Default mode values are:

      - view: the view mode;

      - edit: the edit mode;

      - create: the create mode;

      - any: any mode; this is the default value in case no value is given for a
      specific mode. When applying to lists of values, values given for this
      mode will be merged with values given for the specific mode.

      A specific mode is also accepted when specifying a widget mode: "hidden".
      It is used to avoid rendering the widget at all.

      Layout properties :

      - name: the layout name; this is an identifier for this layout to the
      layout service and it can be used in a document type definition.

      - templates: a template can be provided to control the layout rendering.
      Different layouts can be used given the mode. The test for the layout mode
      can also be done in the template itself.

      - properties: map of properties that will apply to the layout in a given
      mode.

      - rows/row: rows describe the organization of widgets within the layout.
      Several widgets can be placed in the same row. When using the default
      layout template, a table is used to display each row in a table row, and
      widgets at the same row will be displayed on different columns in this
      row.

      - columns/column: aliases for rows/row, which is more intuitive when
      defining layouts representing a table line.

      - widgets: widgets with names used in the layout rows configuration. They
      can hold specific properties given the widget type.

      Widget generic properties:

      - name: this is the widget identifier within this layout; it can be used
      to reference this widget in the layout rows.

      - type: the widget type defines how the widget will be displayed in a
      given mode.

      - labels: labels to use for the widget in a given mode.

      - helpLabels: help labels to use for the widget in a given mode.

      - widgetModes: mode to use for this widget given the layout/parent widget
      (used to override the parent mode) ; can be useful, for instance, to state
      that a field will only be displayed as "read-only" whatever the layout
      mode.

      - translated: true or false, defines if the widget labels and help labels
      have to be translated (in case these labels should match jsf messages).

      - fields: fields that will be taken into account when displaying/editing a
      document field.

      - properties: map of properties that will apply to the jsf component built
      in a given mode by the widget type. For instance, in a text widget, all
      properties defined in the view mode will be dealt as attributes on a
      &lt;h:outputText /&gt; tag, and properties defined in the edit mode will
      be dealt as attributes on a &lt;h:inputText /&gt; tag.

      - subWidgets: list of sub widgets to use provided the widget type knows
      how to handle them. each sub widget definition is like a widget
      definition.

      Example of layout using default widget types:

      <code>
        <layout name="heading">
          <templates>
            <template mode="any">
              /layouts/layout_default_template.xhtml
            </template>
          </templates>
          <properties mode="any">
            <property name="foo">bar</property>
          </properties>
          <rows>
            <row>
              <widget>title</widget>
            </row>
            <row>
              <widget>description</widget>
            </row>
          </rows>
          <widget name="title" type="text">
            <labels>
              <label mode="any">title</label>
            </labels>
            <translated>true</translated>
            <fields>
              <field>dc:title</field>
            </fields>
            <properties mode="edit">
              <property name="required">true</property>
            </properties>
            <properties mode="create">
              <property name="required">true</property>
            </properties>
          </widget>
          <widget name="description" type="textarea">
            <labels>
              <label mode="any">description</label>
            </labels>
            <translated>true</translated>
            <fields>
              <field>dc:description</field>
            </fields>
          </widget>
        </layout>
      </code>

    </documentation>
    <object
      class="org.nuxeo.ecm.platform.forms.layout.descriptors.LayoutDescriptor" />
  </extension-point>

  <extension-point name="widgets">

    <documentation>
      Since 5.1.7 and 5.2.0, a widget can be defined globally in the
      application.

      Layouts can reference global widgets in their row definition without
      having to redefine them in their widgets definitions. The widget with
      given name will be searched in this global registry only if it is not
      found in the layout definition.
    </documentation>

    <object
      class="org.nuxeo.ecm.platform.forms.layout.descriptors.WidgetDescriptor" />
  </extension-point>

  <extension-point name="disabledPropertyRefs">

    <documentation>
      Since 5.6, makes it possible to define what properties should
      not be referenced using EL expressions.
    </documentation>

    <object
      class="org.nuxeo.ecm.platform.forms.layout.service.DisabledPropertyRefDescriptor" />

  </extension-point>

</component>

Documentation

The web layout manager provides extension points for pluggable widget types and layouts.

Layouts are groups of widgets controlling the rendering of (for instance) a document fields display on a page. The layouts and widgets can be displayed in a given mode (create, edit, view, etc...).

@version 1.0