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## 6.64. < rich:listShuttle >

### 6.64.1. Description

The <rich:listShuttle> component is used for moving chosen items from one list into another with their optional reordering there.

Figure 6.171. <rich:ListShuttle> component

### 6.64.2. Key Features

- Highly customizable look and feel

- Reordering possibility for lists items

- Multiple selection of lists items

- Keyboard support

Table 6.282. rich : listShuttle attributes

Attribute Name | Description
--- | ---
activeItem | Stores active item
ajaxKeys | Defines row keys that are updated after an Ajax request
binding | The attribute takes a value-binding expression for a component property of a backing bean
bottomControlClass | CSS class for bottom control
bottomControlLabel | Defines a label for a bottom control
columnClasses | Comma-separated list of CSS classes for columns
componentState | It defines EL-binding for a component state for saving or redefinition
controlsType | Defines type of a control: button or none. Default value is "button".
controlsVerticalAlign | Customizes vertically a position of move/copy and order controls relatively to lists
converter | Id of Converter to be used or reference to a Converter
copyAllControlClass | CSS class for copy all control
copyAllControlLabel | Defines a label for a copyAll control
copyControlClass | CSS class for copy control
copyControlLabel | Defines a label for a copy control
disabledControlClass | CSS class for a disabled control
downControlClass | CSS class for down control
downControlLabel | Defines a label for a down control
fastMoveControlsVisible | If "false", 'Copy All' and 'Remove All' controls aren't displayed. Default value is "true".
fastOrderControlsVisible | If "false", 'Top' and 'Bottom' controls aren't displayed. Default value is "true".
first | A zero-relative row number of the first row to display
id | Every component may have a unique id that is automatically created if omitted
immediate | A flag indicating that this component value must be converted and validated immediately (that is, during Apply Request Values phase), rather than waiting until a Process Validations phase
listClass | CSS class for a list
listsHeight | Defines height of the list. Default value is "140".
moveControlsVisible | If "false", 'Copy' and 'Remove' controls aren't displayed. Default value is "true".
onblur | HTML: script expression; the element lost the focus
onbottomclick | A JavaScript event handler; a button "Bottom" is clicked
onclick | HTML: a script expression; a pointer button is clicked
oncopyallclick | A JavaScript event handler; a button "Copy All" is clicked
oncopyclick | HTML: a script expression; a button "Copy" is clicked
ondblclick | HTML: a script expression; a pointer button is double-clicked
ondownclick | A JavaScript event handler; a button "Down" is clicked
onfocus | HTML: script expression; the element got the focus
onlistchanged | A JavaScript event handler called on a list change operation
onmousemove | HTML: a script expression; a pointer is moved within
onmouseout | HTML: a script expression; a pointer is moved away
onmouseover | HTML: a script expression; a pointer is moved onto
onorderchanged | HTML: script expression; called after ordering action
onremoveallclick | A JavaScript event handler; a button "Remove All" is clicked
onremoveclick | A JavaScript event handler; a button "Remove" is clicked
ontopclick | A JavaScript event handler; a button "Top" is clicked
onupclick | HTML: a script expression; a button "Up" is clicked
orderControlsVisible | If "false", 'Up' and 'Down' controls aren't displayed. Default value is "true".
removeAllControlClass | CSS class for remove all control
removeAllControlLabel | Defines a label for a removeAll control
removeControlClass | CSS class for remove control
removeControlLabel | Defines a label for a remove control
rendered | If "false", this component is not rendered
required | If "true", this component is checked for non-empty input
rowClasses | CSS class for a row
rowKeyConverter | Converter for a row key object
rowKeyVar | The attribute provides access to a row key in a Request scope
rows | A number of rows to display, or zero for all remaining rows in the table
showButtonLabels | Shows a label for a button. Default value is "true".
sourceCaptionLabel | Defines source list caption representation text
sourceListWidth | Defines width of a source list. Default value is "140".
sourceRequired | Defines the case when source value is being validated. If the value is "true", there should be at least one item in the source list
sourceSelection | Manages selection in a source list from the server side
sourceValue | Defines a List or Array of items to be shown in a source list
style | CSS style(s) is/are to be applied when this component is rendered
styleClass | Corresponds to the HTML class attribute
switchByClick | If "true", dragging between lists realized by click
targetCaptionLabel | Defines target list caption representation text
targetListWidth | Defines width of a target list. Default value is "140".
targetRequired | Defines the case when target value is being validated. If the value is "true", there should be at least one item in the target list
targetSelection | Manages selection in a target list from the server side
targetValue | Defines a List or Array of items to be shown in a target list
topControlClass | CSS class for top control
topControlLabel | Defines a label for a "Top" control
upControlClass | CSS class for up control
upControlLabel | Defines a label for an "Up" control
validator | MethodBinding pointing at a method that is called during Process Validations phase of the request processing lifecycle, to validate the current value of this component
valueChangeListener | Listener for value changes
var | Defines a list on the page

### 6.64.3. Creating the Component with a Page Tag

To create the simplest variant on a page use the following syntax:

Example:

    ...

    <rich:listShuttle var="item" sourceValue="#{bean.source}" targetValue="#{bean.target}" converter="listShuttleconverter">

            <h:column>

                    <f:facet name="header">

                            <h:outputText value="Cars" />

                    </f:facet>

                    <h:outputText value="#{item.name}" />

            </h:column>

    </rich:listShuttle>

    ...

### 6.64.4. Creating the Component Dynamically Using Java

Example:

    import org.richfaces.component.html.HtmlListShuttle;

    ...

    HtmlListShuttle myListShuttle = new HtmlListShuttle();

    ...

### 6.64.5. Details of Usage

The <rich:listShuttle> component consists of the following parts:

- two item lists (source and target). List consists of items. Each item has three different representations: common, selected, active

- optional caption element

- optional ordering controls set is a set of controls that performs reordering

- move controls set is a set of controls, which performs moving items between lists

The "sourceValue" attribute defines a List or Array of items to be shown in the source list.

The "targetValue" attribute defines a List or Array of items to be shown in the target list.

The "var" attribute could be shared between both Lists or Arrays to define lists on the page.

The "sourceRequired" and "targetRequired" attributes define the case when source and target values are being validated. If the value of both attributes is "true" there should be at least one item in source and target lists. Otherwise validation fails.

Example:

    ...

    <h:form id="myForm">

            <rich:messages>

                    <f:facet name="errorMarker">

                            <h:graphicImage value="/images/ajax/error.gif" />

                    </f:facet>

            </rich:messages>

            <rich:listShuttle id="myListShuttle" sourceValue="#{toolBar.freeItems}" targetValue="#{toolBar.items}"

                                    sourceRequired = "true" targetRequired = "true" var="items" converter="listShuttleconverter"

                                    sourceCaptionLabel="Source List" targetCaptionLabel="Target List">

                    <rich:column>

                            <h:graphicImage value="#{items.iconURI}" />

                    </rich:column>

                    <rich:column>

                            <h:outputText value="#{items.label}" />

                    </rich:column>

            </rich:listShuttle>

            <a4j:commandButton value="Submit" />

    </h:form>

    ...

In the example above the source list is empty. If you submit the form validation fails and error message appears on a page.

This is the result:

Figure 6.172. Style classes

The "converter" attribute is used to convert component data to a particular component's value. For example, when you select items in a list, a converter is used to format a set of objects to a strings to be displayed.

## Note

It is necessary to override the "equals" and "hashCode" methods in your own class!

The "sourceSelection" attribute stores the collection of items selected by you in the source list. The "targetSelection" attribute stores the collection of items selected by you in the target list.

Captions could be added to a list only after it was defined as a "sourceCaption" and "targetCaption" named facets inside the component or defined with the "sourceCaptionLabel" and "targetCaptionLabel" attribute.

    ...

    <rich:listShuttle var="item" sourceValue="#{bean.source}" targetValue="#{bean.target}" sourceSelection="#{bean.sourceSelection}"

                            targetSelection="#{bean.targetSelection}" converter="listShuttleconverter">

            <f:facet name="sourceCaption">

                    <h:outputText value="Cars Store #1" />

            </f:facet>

            <f:facet name="targetCaption">

                    <h:outputText value="Cars Store #2" />

            </f:facet>

            <rich:column>

                    <h:outputText value="#{items.name}" />

            </rich:column>

    </rich:listShuttle>

    ...

The <rich:listShuttle> component provides the possibility to use ordering controls set, which performs reordering in the target item list. Every control has possibility to be disabled.

An ordering controls set could be defined with "topControlLabel" , "bottomControlLabel" , "upControlLabel" , "downControlLabel" attributes.

It is also possible to use "topControl" , "topControlDisabled" , "bottomControl" , "bottomControlDisabled" , "upControl" , "upControlDisabled" , "downControl" , "downControlDisabled" facets in order to replace the default controls with facets content.

Example:

    ...

    <rich:listShuttle var="item" sourceValue="#{bean.source}" targetValue="#{bean.target}" converter="listShuttleconverter">

    ...

            <f:facet name="topControl">

                    <h:outputText value="Move to top" />

            </f:facet>

            <f:facet name="upControl">

                    <h:outputText value="Move up" />

            </f:facet>

            <f:facet name="downControl">

                    <h:outputText value="Move down" />

            </f:facet>

            <f:facet name="bottomControl">

                    <h:outputText value="Move to bottom" />

            </f:facet>

    </rich:listShuttle>

    ...

The <rich:listShuttle> component also provides 4 predefined controls in move controls set for moving items between source and target lists. Every control has possibility to be disabled.

A move controls set could be defined with "copyControlLabel" , "removeControlLabel" , "copyAllControlLabel" , "removeAllControlLabel" attributes.

It is also possible to use "copyControl" , "removeControl" , "copyAllControl" , "removeAllControl" facets in order to replace the default controls with facets content.

    ...

    <rich:listShuttle var="item" sourceValue="#{bean.source}" targetValue="#{bean.target}" converter="listShuttleconverter"

                            copyControlLabel="Copy" removeControlLabel="Remove"

                            copyAllControlLabel="Copy all" removeAllControlLabel="Remove all">

            <h:column>

                    <f:facet name="header">

                            <h:outputText value="Cars" />

                    </f:facet>

                    <h:outputText value="#{item.name}" />

            </h:column>

    </rich:listShuttle>

    ...

Controls rendering is based on the "controlsType" attribute. Possible types are button and none.

## Note

Currently the button controls type is based on <div> element.

The <rich:listShuttle> component allows to use internationalization method to redefine and localize the labels. You could use application resource bundle and define `RICH_SHUTTLES_TOP_LABEL`, `RICH_SHUTTLES_BOTTOM_LABEL`, `RICH_SHUTTLES_UP_LABEL`, `RICH_SHUTTLES_DOWN_LABEL` `RICH_LIST_SHUTTLE_COPY_ALL_LABEL`, `RICH_LIST_SHUTTLE_COPY_LABEL`, `RICH_LIST_SHUTTLE_REMOVE_ALL_LABEL`, `RICH_LIST_SHUTTLE_REMOVE_LABEL` there.

You could also pack `org.richfaces.renderkit.listShuttle` resource bundle with your JARs defining the same properties.

Table 6.283. Keyboard usage for elements selection

Keys and combinations | Description
--- | ---
CTRL+click | Inverts selection for an item
SHIFT+click | Selects all rows from active one to a clicked row if they differ, else select the actve row. All other selections are cleared
CTRL+A | Selects all elements inside the list if some active element is already present in a list
Up, Down arrows | Changes the active element to the next or previous in a list and make it the only selected. Scroll follows the selection to keep it visible

Table 6.284. Keyboard usage for elements reordering

Keys and combinations | Description
--- | ---
Home | Moves selected set to the top of a list
End | Moves selected set to the bottomof a list
CTRL+Up arrow | Moves selected item to one position upper
CTRL+Down arrow | Moves selected item to one position lower

### 6.64.6. JavaScript API

Table 6.285. JavaScript API

Function | Description
--- | ---
hide() | Hides ordering control (to be implemented)
show() | Shows ordering control (to be implemented)
isShown() | Checks if current control is shown (to be implemented)
enable() | Enables ordering control (to be implemented)
disable() | Disables ordering control (to be implemented)
isEnabled() | Checks if current control is enabled (to be implemented)
Up() | Moves up selected item in the list (to be implemented)
Down() | Moves down selected item in the list (to be implemented)
Top() | Moves top selected item in the list (to be implemented)
Bottom() | Moves bottom selected item in the list (to be implemented)
copy() | Copies selected item from the source list to the target list
remove() | Removes selected item from the target list to the source list
copyAll() | Copies all items from the source list to the target list
removeAll() | Removes all items from the target list to the source list
getSelection() | Returns currently selected item (to be implemented)
getItems() | Returns the collection of all items (to be implemented)

### 6.64.7. Look-and-Feel Customization

For skinnability implementation, the components use a style class redefinition method. Default style classes are mapped on skin parameters.

There are two ways to redefine the appearance of all <rich:listShuttle> components at once:

- Redefine the corresponding skin parameters

- Add to your style sheets style classes used by a <rich:listShuttle> component

### 6.64.8. Skin Parameters Redefinition

Table 6.286. Skin parameters redefinition for items in the source and target lists

Skin parameters | CSS properties
--- | ---
generalBackgroundColor | background-color
tableBorderColor | border-color
tableBorderWidth | border-width

Table 6.287. Skin parameters redefinition for caption in the source and target lists

Skin parameters | CSS properties
--- | ---
headerFamilyFont | font-family
headerSizeFont | font-size
headerWeightFont | font-weight

Table 6.288. Skin parameters redefinition for a selected rows in the source and target lists

Skin parameters | CSS properties
--- | ---
additionalBackgroundColor | background-color

Table 6.289. Skin parameters redefinition for a header cell

Skin parameters | CSS properties
--- | ---
headerBackgroundColor | background-color
headerTextColor | color
headerFamilyFont | font-family
headerSizeFont | font-size
tableBorderWidth | border-width
subBorderColor | border-top-color
panelBorderColor | border-bottom-color
panelBorderColor | border-right-color

Table 6.290. Skin parameters redefinition for a selected cell

Skin parameters | CSS properties
--- | ---
generalTextColor | color
generalFamilyFont | font-family
generalSizeFont | font-size

Table 6.291. Skin parameters redefinition for an active cell

Skin parameters | CSS properties
--- | ---
generalSizeFont | font-size
generalFamilyFont | font-family

Table 6.292. Skin parameters redefinition for controls

Skin parameters | CSS properties
--- | ---
tableBorderColor | border-color

Table 6.293. Skin parameters redefinition for a button

Skin parameters | CSS properties
--- | ---
trimColor | background-color
generalTextColor | color
headerFamilyFont | font-family
headerSizeFont | font-size

Table 6.294. Skin parameters redefinition for a disabled button

Skin parameters | CSS properties
--- | ---
trimColor | background-color
tabDisabledTextColor | color
headerFamilyFont | font-family
headerSizeFont | font-size

Table 6.295. Skin parameters redefinition for a button highlight

Skin parameters | CSS properties
--- | ---
trimColor | background-color
selectControlColor | border-color
tableBorderWidth | border-width
headerFamilyFont | font-family
headerSizeFont | font-size
generalTextColor | color

Table 6.296. Skin parameters redefinition for a pressed button

Skin parameters | CSS properties
--- | ---
additionalBackgroundColor | background-color
tableBorderColor | border-color
tableBorderWidth | border-width
headerFamilyFont | font-family
headerSizeFont | font-size
generalTextColor | color

Table 6.297. Skin parameters redefinition for a button content

Skin parameters | CSS properties
--- | ---
headerFamilyFont | font-family
headerSizeFont | font-size

Table 6.298. Skin parameters redefinition for a button selection

Skin parameters | CSS properties
--- | ---
generalTextColor | color

### 6.64.9. Definition of Custom Style Classes

On the screenshot there are classes names that define styles for component elements.

Figure 6.173. Style classes

Table 6.299. Classes names that define a list representation

Class name | Description
--- | ---
rich-list-shuttle | Defines styles for a wrapper table element of a listShuttle
rich-list-shuttle-caption | Defines styles for a list caption
rich-shuttle-body | Defines styles for a list body
rich-shuttle-list-content | Defines styles for a list content
rich-shuttle-source-items | Defines styles for a wrapper <div> element for source list
rich-shuttle-target-items | Defines styles for a wrapper <div> element for target list
rich-shuttle-list-header | Defines styles for a lists header
rich-shuttle-header-tab-cell | Defines styles for a header cell

Table 6.300. Classes names that define a caption representations in a source and target lists

Class name | Description
--- | ---
rich-shuttle-source-caption | Defines styles for a caption in a source list
rich-shuttle-target-caption | Defines styles for a caption in a target list

Table 6.301. Classes names that define a rows representations in a source list

Class name | Description
--- | ---
rich-shuttle-source-row | Defines styles for a row in a source list
rich-shuttle-source-row-selected | Defines styles for a selected row in a source list
rich-shuttle-source-row-active | Defines styles for an active row in a source list

Table 6.302. Classes names that define a rows representations in a target list

Class name | Description
--- | ---
rich-shuttle-target-row | Defines styles for a row in a target list
rich-shuttle-target-row-selected | Defines styles for a selected row in a target list
rich-shuttle-target-row-active | Defines styles for an active row in a target list

Table 6.303. Classes names that define a cells representations in a source list

Class name | Description
--- | ---
rich-shuttle-source-cell | Defines styles for a cell in a source list
rich-shuttle-source-cell-selected | Defines styles for a selected cell in a source list
rich-shuttle-source-cell-active | Defines styles for an active cell in a source list

Table 6.304. Classes names that define a cells representations in a target list

Class name | Description
--- | ---
rich-shuttle-target-cell | Defines styles for a cell in a target list
rich-shuttle-target-cell-selected | Defines styles for a selected cell in a target list
rich-shuttle-target-cell-active | Defines styles for an active cell in a target list

Table 6.305. Classes names that define controls representations

Class name | Description
--- | ---
rich-shuttle-controls | Defines styles for a controls group
rich-shuttle-top | Defines styles for a "Top" control
rich-shuttle-bottom | Defines styles for a "Bottom" control
rich-shuttle-up | Defines styles for a "Up" control
rich-shuttle-down | Defines styles for a "Down" control
rich-shuttle-copy | Defines styles for a "Copy" control
rich-shuttle-remove | Defines styles for a "Remove" control
rich-shuttle-copyAll | Defines styles for a "copyAll" control
rich-shuttle-removeAll | Defines styles for a "removeAll" control
rich-shuttle-control-disabled | Defines styles for a control in a disabled state

Table 6.306. Classes names that define a button representation

Class name | Description
--- | ---
rich-list-shuttle-button | Defines styles for a button
rich-list-shuttle-button-disabled | Defines styles for a disabled button
rich-list-shuttle-button-light | Defines styles for a button highlight
rich-list-shuttle-button-press | Defines styles for a pressed button
rich-list-shuttle-button-content | Defines styles for a button content
rich-list-shuttle-button-selection | Defines styles for a button selection

In order to redefine styles for all <rich:listShuttle> components on a page using CSS, it's enough to create classes with the same names (possible classes could be found in the tables above) and define necessary properties in them.

Example:

    ...

    .rich-shuttle-source-row-active{

            background-color:#FFE4B5;

    }

    ...

This is a result:

Figure 6.174. Redefinition styles with predefined classes

In the example an active row background color in the source list was changed.

Also it's possible to change styles of particular <rich:listShuttle> component. In this case you should create own style classes and use them in corresponding <rich:listShuttle> styleClass attributes. An example is placed below:

Example:

    ...

    .myClass{

            font-style:italic;

    }

    ...

The "rowClasses" attribute for <rich:listShuttle> is defined as it's shown in the example below:

Example:

    <rich:listShuttle ... rowClasses="myClass"/>

This is a result:

Figure 6.175. Redefinition styles with own classes and styleClass attributes

As it could be seen on the picture above, font style for row items was changed.

### 6.64.10. Relevant Resources Links

Here you can see an example of <rich:listShuttle> usage and sources for the given example.

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