Column

Version 12 by Nils Lundquist
on Jan 16, 2012 11:04.

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Version 13 by Nils Lundquist
on Jan 16, 2012 14:34.

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 h2. Overview
 The _ace:Column_ renders a HTML td element representing a single column of data in the rows of the iterating parent DataTable.
  
 Features of the column and interacting components include:
 * Row Editing
 * Row Panel Expansion
 * Row Sub-row Expansion
 * Filtering
 * Sorting
 * Column Visibility
 * Column Stacking
 * Column Configuration Panel
 * Edit and Filter Event Listeners
 * Column, Row Spanning Headers & Footers
 * Optional Application-bound State
  ** Filtering
  ** Sorting
  
  
 h2. Getting Started
 {code} <ice:dataTable var="track" value="#{bean.tracks}">
  <ice:column headerText="Album">
  <h:outputText value="#{track.album}"/>
  </ice:column>
  </ice:dataTable>
 {code}
  
  
  
  
  
 h2. Attributes
 {tip:title=TagLib Documentation}This section covers attributes involved in the typical use-cases for this component. For reference, the complete taglib documentation for this component is available [here|http://www.icefaces.org/docs/v3_latest/ace/tld/ace/sliderEntry.html].{tip}
  
 {panel}
 *sortBy* - Value expression defining the object this column will sort by.
 {code:xml|borderStyle=dashed} <ice:column sortBy="#{track.album}">
  <h:outputText value="#{track.album}"/>
  </ice:column>
 {code}
 {panel}
  
 {panel}
 *sortFunction* - Value expression for a Comparator<Object> that will be used to sort the objects referred to by *sortBy*. If this property is not defined, it is assumed that the objects referred to by *sortBy* implement the Comparable interface.
 {code:xml|borderStyle=dashed} <ice:column sortBy="#{track.album}" sortFunction="#{bean.albumCustomSortFunction}">
  <h:outputText value="#{track.album.name}"/>
  </ice:column>
 {code}
 {panel}
  
 {panel}
 *sortPriority* - Priority of this column among columns of a multi-column sort, starting at 1. Available for binding in situations of application initated or application persisted sorted states. Having a non-null priority enables sorting for this column when applyFilters() is called on the DataTable.
 {code:xml|borderStyle=dashed} <ice:column sortBy="#{track.album}" sortPriority="#{bean.albumSortPriority}" >
  <h:outputText value="#{track.album}"/>
  </ice:column>
 {code}
 {panel}
  
 {panel}
 *sortAscending* - Boolean value indicating if this sorted (as indicated by a set *sortPriority*) column is ascending.
 {code:xml|borderStyle=dashed} <ice:column sortBy="#{track.album}" sortAscending="#{bean.albumSortAscending}">
  <h:outputText value="#{track.album}"/>
  </ice:column>
 {code}
 {panel}
  
 {panel}
 *filterBy* - Value expression defining the object this column will filter by.
 {code:xml|borderStyle=dashed} <ice:column filterBy="#{track.album}">
  <h:outputText value="#{track.album}"/>
  </ice:column>
 {code}
 {panel}
  
 {panel}
 *filterValue* - Value of the filter input field. The input that will be used to filter the objects defined by *filterBy*.
 {code:xml|borderStyle=dashed} <ice:column filterBy="#{track.album}" filterValue="#{bean.albumFilterInput}">
  <h:outputText value="#{track.album}"/>
  </ice:column>
 {code}
 {panel}
  
 {panel}
 *filterOptions* - A collection of SelectItem objects for use as filter choices.
 Managed Bean:
 {code:java|borderStyle=dashed}
  public List<SelectItem> filterOptions = new ArrayList<SelectItem>() {{
  add(new SelectItem("Van"));
  add(new SelectItem("Bus"));
  add(new SelectItem("Compact"));
  add(new SelectItem("Semi-Truck"));
  add(new SelectItem("Pickup"));
  }};
 {code}
 Facelet Markup:
 {code:xml|borderStyle=dashed} <ice:column filterBy="#{track.albumn}" filterOptions="#{bean.filterOptions}">
  <h:outputText value="#{track.album}"/>
  </ice:column>
 {code}
 {panel}
  
 {panel}
 *filterMatchMode* - Method of String comparison used to evaluate the filter, types available include: "contains", "exact", "startsWith", "endsWith". Defaults to "startsWith".
 {code:xml|borderStyle=dashed} <ice:column filterBy="#{track.albumn}" filterMatchMode="exact">
  <h:outputText value="#{track.album}"/>
  </ice:column>
 {code}
 {panel}
  
 {panel}
 *rowspan* - Defines the number of Row objects this Column should span. Only relevant on a Column used inside a ColumnGroup and Row component.
 {code:xml|borderStyle=dashed} <ice:columnGroup type="header">
  <ice:row>
  <ice:column colSpan="2">
  Track
  </ice:column>
  <ice:column rowSpan="2">
  Download
  </ice:column>
  </ice:row>
  <ice:row>
  <ice:column>
  Artist
  </ice:column>
  <ice:column>
  Album
  </ice:column>
  </ice:row>
  </ice:columnGroup>
 {code}
 {panel}
  
 {panel}
 *colspan* - Defines the number of TD elements this Column should span. Only relevant on a Column used inside a ColumnGroup and Row component.
 {code:xml|borderStyle=dashed} <ice:columnGroup type="header">
  <ice:row>
  <ice:column colSpan="2">
  Track
  </ice:column>
  </ice:row>
  <ice:row>
  <ice:column>
  Artist
  </ice:column>
  <ice:column>
  Album
  </ice:column>
  </ice:row>
  </ice:columnGroup>
 {code}
 {panel}
  
 {panel}
 *headerText* - A plain text header with less effort than adding a facet.
 {code:xml|borderStyle=dashed} <ice:column headerText="Album">
  <h:outputText value="#{track.album}"/>
  </ice:column>
 {code}
 {panel}
  
  
 {info:title=Component Documentation}This section covers components signifigant to the conventional row selection / pagination / expandable panel sample above. For further reference on the features listed in the overview, see the [related components section|DataTable#related], the [section related to lazy loading|DataTable#lazy] and the [complete taglib|http://www.icefaces.org/docs/v2_latest/ace/tld/ace/dataTable.html] & [API] documentation for this component.{info}
  
 {panel}
  _TableConfigPanel_ -
  [_TableConfigPanel_|TableConfigPanel] - Renders a panel allowing the configuration of Column features, like visibility, filtering, sorting and column order in a single compact control.
 {panel}
  
 h2. Keyboard Support
  
 h2. Known Issues
  
 h2. Other Resources
  
 {anchor:related}
 h2. Related Components
 * _[DataTable|DataTable]_
 * _[ColumnGroup|ColumnGroup]_
 * _[CellEditor|CellEditor]_
 * _[Row|Row]_
 * _[RowEditor|RowEditor]_
 * _[ExpansionToggler|ExpansionToggler]_
 * _[TableConfigPanel|TableConfigPanel]_
 * _[DataExporter|DataExporter]_

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