Package | spark.skins.spark |
Class | public class DefaultGridItemRenderer |
Inheritance | DefaultGridItemRenderer UIFTETextField FTETextField flash.display.Sprite |
Implements | IGridItemRenderer, IStyleClient |
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
itemRenderer
property.
This class extends UIFTETextField and displays the cell data in a text label using the text
field.
The UIFTETextField control is based on FTE, the FlashTextEngine, which supports
high-quality international typography and font embedding in the same way as other
Spark controls.
Since the UIFTETextField control implements the TextField API, a subset of the
Spark text styles are supported.
Please see the documentation for this class for the list of supported styles.
You can control the label text wrapping by using the lineBreak
style.
For example, setting lineBreak="explicit"
and variableRowHeight="false"
creates fixed height cells whose labels do not wrap.
If you do not explicitly set the wordWrap
property, wordWrap
will be set to the value of the grid's variableRowHeight
property.
The multiline property is used by the DataGrid's item editor to interpret
input newline characters. If mutliline=false
, then entering a newline ends the
editing session (as does tab or escape). If multiline=true
then a newline character
is inserted into the text. If the multiline property is not set explicitly, then it's automatically
set to true if lineBreak="explicit"
and text
includes a newline
character.
DefaultGridItemRenderer inherits its layoutDirection
property
from its parent.
It should not be set directly.
The DefaultGridItemRenderer class is not intended to be subclassed or copied. Create custom item renderers based on the GridItemRenderer class.
For the highest performance on Microsoft Windows based applications, use the UITextFieldGridItemRenderer. This renderer is written in ActionScript and optimized for Windows.
See also
Property | Defined By | ||
---|---|---|---|
alwaysShowSelection : Boolean
This property is not implemented in FTETextField
because FTETextField does not support selection. | FTETextField | ||
antiAliasType : String
This property has no effect in FTETextField
because FTE uses a newer font renderer than TextField. | FTETextField | ||
automationDelegate : Object
The delegate object which is handling the automation related functionality. | UIFTETextField | ||
automationEnabled : Boolean [read-only]
True if this component is enabled for automation, false
otherwise. | UIFTETextField | ||
automationName : String
Name that can be used as an identifier for this object. | UIFTETextField | ||
automationOwner : DisplayObjectContainer [read-only]
The owner of this component for automation purposes. | UIFTETextField | ||
automationParent : DisplayObjectContainer [read-only]
The parent of this component for automation purposes. | UIFTETextField | ||
automationValue : Array [read-only]
This value generally corresponds to the rendered appearance of the
object and should be usable for correlating the identifier with
the object as it appears visually within the application. | UIFTETextField | ||
automationVisible : Boolean [read-only]
True if this component is visible for automation, false
otherwise. | UIFTETextField | ||
autoSize : String | FTETextField | ||
background : Boolean | FTETextField | ||
backgroundColor : uint | FTETextField | ||
baselinePosition : Number [read-only]
The y-coordinate of the baseline of the first line of text. | UIFTETextField | ||
border : Boolean | FTETextField | ||
borderColor : uint | FTETextField | ||
bottomScrollV : int [read-only]
This property has not been implemented in FTETextField
because FTETextField does not support scrolling. | FTETextField | ||
caretIndex : int [read-only]
This property has not been implemented in FTETextField
because FTETextField does not support editing. | FTETextField | ||
className : String [read-only]
The name of this instance's class, such as
"DataGridItemRenderer". | UIFTETextField | ||
column : GridColumn
The GridColumn object representing the column associated with this item renderer. | DefaultGridItemRenderer | ||
columnIndex : int [read-only]
The column index for this item renderer's cell. | DefaultGridItemRenderer | ||
condenseWhite : Boolean | FTETextField | ||
data : Object
The value of the data provider item for the entire row of the grid control. | DefaultGridItemRenderer | ||
defaultTextFormat : TextFormat | FTETextField | ||
displayAsPassword : Boolean
This property has not been implemented in FTETextField
because FTETextField does not support editing. | FTETextField | ||
document : Object
A reference to the document object associated with this UITextField object. | UIFTETextField | ||
down : Boolean
The grid control's updateDisplayList() method sets this property
before calling prepare(). | DefaultGridItemRenderer | ||
dragging : Boolean
Contains true if the item renderer is being dragged,
typically as part of a drag and drop operation. | DefaultGridItemRenderer | ||
embedFonts : Boolean | FTETextField | ||
enabled : Boolean
A Boolean value that indicates whether the component is enabled. | UIFTETextField | ||
enableIME : Boolean [read-only]
A flag that indicates whether the IME should
be enabled when the component receives focus. | UIFTETextField | ||
explicitHeight : Number
Number that specifies the explicit height of the component,
in pixels, in the component's coordinates. | UIFTETextField | ||
explicitMaxHeight : Number [read-only]
Number that specifies the maximum height of the component,
in pixels, in the component's coordinates, if the maxHeight property
is set. | UIFTETextField | ||
explicitMaxWidth : Number [read-only]
Number that specifies the maximum width of the component,
in pixels, in the component's coordinates, if the maxWidth property
is set. | UIFTETextField | ||
explicitMinHeight : Number [read-only]
The minimum recommended height of the component to be considered
by the parent during layout. | UIFTETextField | ||
explicitMinWidth : Number [read-only]
The minimum recommended width of the component to be considered
by the parent during layout. | UIFTETextField | ||
explicitWidth : Number
Number that specifies the explicit width of the component,
in pixels, in the component's coordinates. | UIFTETextField | ||
focusPane : Sprite
A single Sprite object that is shared among components
and used as an overlay for drawing the focus indicator. | UIFTETextField | ||
fontContext : IFlexModuleFactory
The IFlexModuleFactory instance that FTETextField
uses for creating TextLine objects. | FTETextField | ||
grid : Grid [read-only]
The grid control associated with this item renderer. | DefaultGridItemRenderer | ||
gridFitType : String
This property has no effect in FTETextField
because FTE uses a newer font renderer than TextField. | FTETextField | ||
hovered : Boolean
Set to true when the mouse is hovered over the item renderer. | DefaultGridItemRenderer | ||
htmlText : String | FTETextField | ||
ignorePadding : Boolean
If true, the paddingLeft and
paddingRight styles will not add space
around the text of the component. | UIFTETextField | ||
imeMode : String
Specifies the IME (input method editor) mode. | UIFTETextField | ||
includeInLayout : Boolean
Specifies whether this component is included in the layout of the
parent container. | UIFTETextField | ||
inheritingStyles : Object
The beginning of this UITextField's chain of inheriting styles. | UIFTETextField | ||
initialized : Boolean
A flag that determines if an object has been through all three phases
of layout validation (provided that any were required). | UIFTETextField | ||
isPopUp : Boolean
Set to true by the PopUpManager to indicate
that component has been popped up. | UIFTETextField | ||
label : String
The grid control sets this property to the value of the column's
itemToLabel() method, before calling preprare().
The String to display in the item renderer. | DefaultGridItemRenderer | ||
length : int [read-only] | FTETextField | ||
maxChars : int
This property has not been implemented in FTETextField
because FTETextField does not support editing. | FTETextField | ||
maxHeight : Number [read-only]
The maximum recommended height of the component to be considered
by the parent during layout. | UIFTETextField | ||
maxScrollH : int [read-only]
This property has not been implemented in FTETextField
because FTETextField does not support scrolling. | FTETextField | ||
maxScrollV : int [read-only]
This property has not been implemented in FTETextField
because FTETextField does not support scrolling. | FTETextField | ||
maxWidth : Number [read-only]
The maximum recommended width of the component to be considered
by the parent during layout. | UIFTETextField | ||
measuredHeight : Number [read-only]
The default height of the component, in pixels. | UIFTETextField | ||
measuredMinHeight : Number
The default minimum height of the component, in pixels. | UIFTETextField | ||
measuredMinWidth : Number
The default minimum width of the component, in pixels. | UIFTETextField | ||
measuredWidth : Number [read-only]
The default width of the component, in pixels. | UIFTETextField | ||
minHeight : Number [read-only]
The minimum recommended height of the component to be considered
by the parent during layout. | UIFTETextField | ||
minWidth : Number [read-only]
The minimum recommended width of the component to be considered
by the parent during layout. | UIFTETextField | ||
moduleFactory : IFlexModuleFactory
The moduleFactory that is used to create TextFields in the correct SWF context. | UIFTETextField | ||
mouseWheelEnabled : Boolean
This property has not been implemented in FTETextField
because FTETextField does not support scrolling. | FTETextField | ||
multiline : Boolean
This property has no effect in FTETextField
because FTETextField does not support editing. | FTETextField | ||
nestLevel : int
Depth of this object in the containment hierarchy. | UIFTETextField | ||
nonInheritingStyles : Object
The beginning of this UITextField's chain of non-inheriting styles. | UIFTETextField | ||
nonZeroTextHeight : Number [read-only]
The height of the text, in pixels. | UIFTETextField | ||
numLines : int [read-only] | FTETextField | ||
owner : DisplayObjectContainer
By default, set to the parent container of this object. | UIFTETextField | ||
parent : DisplayObjectContainer [override] [read-only]
The parent container or component for this component. | UIFTETextField | ||
percentHeight : Number
Specifies the height of a component as a percentage
of its parent's size. | UIFTETextField | ||
percentWidth : Number
Specifies the width of a component as a percentage
of its parent's size. | UIFTETextField | ||
processedDescriptors : Boolean
Set to true after the createChildren()
method creates any internal component children. | UIFTETextField | ||
restrict : String
This property has not been implemented in FTETextField
because FTETextField does not support scrolling. | FTETextField | ||
rowIndex : int
The grid control's updateDisplayList() method sets this property
before calling prepare().
The zero-based index of the row of the cell being rendered. | DefaultGridItemRenderer | ||
scrollH : int
This property has not been implemented in FTETextField
because FTETextField does not support scrolling. | FTETextField | ||
scrollV : int
This property has not been implemented in FTETextField
because FTETextField does not support scrolling. | FTETextField | ||
selectable : Boolean
Setting this property has no effect in FTETextField
because FTETextField does not support selection. | FTETextField | ||
selected : Boolean
The grid control's updateDisplayList() method sets this property
before calling prepare().
Contains true if the item renderer's cell is part
of the current selection. | DefaultGridItemRenderer | ||
selectionBeginIndex : int [read-only]
This property has not been implemented in FTETextField
because FTETextField does not support selection. | FTETextField | ||
selectionEndIndex : int [read-only]
This property has not been implemented in FTETextField
because FTETextField does not support selection. | FTETextField | ||
sharpness : Number
This property has no effect in FTETextField. | FTETextField | ||
showsCaret : Boolean
The grid control's updateDisplayList() method sets this property
before calling preprare(). | DefaultGridItemRenderer | ||
styleName : Object
The class style used by this component. | UIFTETextField | ||
styleSheet : StyleSheet | FTETextField | ||
systemManager : ISystemManager
Returns the SystemManager object used by this component. | UIFTETextField | ||
text : String | FTETextField | ||
textColor : uint | FTETextField | ||
textHeight : Number [read-only] | FTETextField | ||
textWidth : Number [read-only] | FTETextField | ||
thickness : Number
This property has no effect in FTETextField
because FTE uses a newer font renderer than TextField. | FTETextField | ||
toolTip : String
Text to display in the ToolTip. | UIFTETextField | ||
tweeningProperties : Array
Array of properties that are currently being tweened on this object. | UIFTETextField | ||
type : String | FTETextField | ||
updateCompletePendingFlag : Boolean
A flag that determines if an object has been through all three phases
of layout validation (provided that any were required)
| UIFTETextField | ||
useRichTextClipboard : Boolean
This property is not implemented in FTETextField
because FTETextField does not support selection
or clipboard operations. | FTETextField | ||
wordWrap : Boolean | FTETextField |
Method | Defined By | ||
---|---|---|---|
Constructor. | DefaultGridItemRenderer | ||
appendText(newText:String):void
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
discard(hasBeenRecycled:Boolean):void
Called from the item renderer parent's updateDisplayList() method
when it has been determined that this renderer will no longer be visible. | DefaultGridItemRenderer | ||
getCharBoundaries(charIndex:int):Rectangle
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getCharIndexAtPoint(x:Number, y:Number):int
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getExplicitOrMeasuredHeight():Number
A convenience method for determining whether to use the
explicit or measured height
| UIFTETextField | ||
getExplicitOrMeasuredWidth():Number
A convenience method for determining whether to use the
explicit or measured width
| UIFTETextField | ||
getFirstCharInParagraph(charIndex:int):int
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getImageReference(id:String):DisplayObject
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getLineIndexAtPoint(x:Number, y:Number):int
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getLineIndexOfChar(charIndex:int):int
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getLineLength(lineIndex:int):int
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getLineMetrics(lineIndex:int):TextLineMetrics | FTETextField | ||
getLineOffset(lineIndex:int):int
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getLineText(lineIndex:int):String
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getParagraphLength(charIndex:int):int
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
getStyle(styleProp:String):*
Gets a style property that has been set anywhere in this
component's style lookup chain. | UIFTETextField | ||
getTextFormat(beginIndex:int = -1, endIndex:int = -1):TextFormat
This method has been implemented in FTETextField
to simply return a copy of the defaultTextFormat,
because FTETextField does not support formatting a range. | FTETextField | ||
getTextStyles():TextFormat
Returns the TextFormat object that represents
character formatting information for this UITextField object. | UIFTETextField | ||
Returns a UITextFormat object that contains formatting information for this component. | UIFTETextField | ||
initialize():void
Initializes this component. | UIFTETextField | ||
invalidateDisplayList():void
Marks a component so that its updateDisplayList()
method gets called during a later screen update. | UIFTETextField | ||
invalidateProperties():void
Marks a component so that its commitProperties()
method gets called during a later screen update. | UIFTETextField | ||
invalidateSize():void
Marks a component so that its measure()
method gets called during a later screen update. | UIFTETextField | ||
move(x:Number, y:Number):void
Moves the component to a specified position within its parent. | UIFTETextField | ||
owns(child:DisplayObject):Boolean
Returns true if the child is parented or owned by this object. | UIFTETextField | ||
parentChanged(p:DisplayObjectContainer):void
This function is called when a UITextField object is assigned
a parent. | UIFTETextField | ||
prepare(willBeRecycled:Boolean):void
Called from the item renderer parent's updateDisplayList() method
after all of the renderer's properties have been set. | DefaultGridItemRenderer | ||
replaceSelectedText(value:String):void
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
replaceText(beginIndex:int, endIndex:int, newText:String):void
This method has not been implemented in FTETextField
because very few components use it in TextField. | FTETextField | ||
replayAutomatableEvent(event:Event):Boolean
Replays the specified event. | UIFTETextField | ||
setActualSize(w:Number, h:Number):void
Sizes the object. | UIFTETextField | ||
setColor(color:uint):void
Sets the font color of the text. | UIFTETextField | ||
setFocus():void
Sets the focus to this component. | UIFTETextField | ||
setSelection(beginIndex:int, endIndex:int):void
This method has not been implemented in FTETextField
because FTETextField does not support selection. | FTETextField | ||
setStyle(styleProp:String, value:*):void
Does nothing. | UIFTETextField | ||
setTextFormat(format:TextFormat, beginIndex:int = -1, endIndex:int = -1):void
This method has no effect on a FTETextField if beginIndex
or endIndex does not equal -1
because FTETextField does not support formatting a range. | FTETextField | ||
setVisible(visible:Boolean, noEvent:Boolean = false):void
Sets the visible property of this UITextField object. | UIFTETextField | ||
styleChanged(styleProp:String):void
Detects changes to style properties. | UIFTETextField | ||
truncateToFit(truncationIndicator:String = null):Boolean
Truncate text to make it fit horizontally in the area defined for the control,
and append an ellipsis, three periods (...), to the text. | UIFTETextField | ||
validateNow():void
Validate and update the properties and layout of this object
and redraw it, if necessary. | UIFTETextField |
Event | Summary | Defined By | ||
---|---|---|---|---|
Dispatched when the bindable data property changes. | DefaultGridItemRenderer |
column | property |
column:GridColumn
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
The GridColumn object representing the column associated with this item renderer.
The default value is null
.
This property can be used as the source for data binding.
public function get column():GridColumn
public function set column(value:GridColumn):void
columnIndex | property |
columnIndex:int
[read-only] Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
The column index for this item renderer's cell.
This is the same value as column.columnIndex
.
public function get columnIndex():int
data | property |
data:Object
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
The value of the data provider item for the entire row of the grid control. Item renderers often bind visual element attributes to properties of this object.
The default value is null
.
This property can be used as the source for data binding.
public function get data():Object
public function set data(value:Object):void
down | property |
down:Boolean
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
The grid control's updateDisplayList()
method sets this property
before calling prepare()
.
true
when one of two input gestures occurs within a
grid cell: either the mouse button or the touch screen is pressed.
The down
property is reset to false
when
the mouse button goes up, the user lifts off
the touch screen, or the mouse/touch is dragged out of the grid cell.
Unlike a List item renderer, grid item renderers do not have exclusive responsibility for displaying the down indicator. The Grid itself renders the down indicator for the selected row or cell. The item renderer can also change its visual properties to emphasize that it's being pressed.
The default value is false
.
This property can be used as the source for data binding.
public function get down():Boolean
public function set down(value:Boolean):void
dragging | property |
dragging:Boolean
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
Contains true
if the item renderer is being dragged,
typically as part of a drag and drop operation.
Currently, drag and drop is not supported by the Spark DataGrid control.
The default value is false
.
This property can be used as the source for data binding.
public function get dragging():Boolean
public function set dragging(value:Boolean):void
grid | property |
grid:Grid
[read-only] Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.0 |
The grid control associated with this item renderer.
public function get grid():Grid
hovered | property |
hovered:Boolean
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.0 |
Set to true
when the mouse is hovered over the item renderer.
The default value is false
.
This property can be used as the source for data binding.
public function get hovered():Boolean
public function set hovered(value:Boolean):void
label | property |
label:String
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.0 |
The grid control sets this property to the value of the column's
itemToLabel()
method, before calling preprare()
.
The GridItemRenderer class automatically copies the
value of this property to the text
property
of its labelDisplay
element, if that element was specified.
The Grid sets the label
to the value returned by the column's
itemToLabel()
method.
The default value is ""
.
This property can be used as the source for data binding.
public function get label():String
public function set label(value:String):void
rowIndex | property |
rowIndex:int
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.0 |
The grid control's updateDisplayList()
method sets this property
before calling prepare()
.
The default value is -1
.
This property can be used as the source for data binding.
public function get rowIndex():int
public function set rowIndex(value:int):void
selected | property |
selected:Boolean
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.0 |
The grid control's updateDisplayList()
method sets this property
before calling prepare()
.
true
if the item renderer's cell is part
of the current selection.
Unlike a List item renderer, grid item renderers do not have exclusive responsibility for displaying something to indicate that they're part of the selection. The Grid itself automatically displays the selectionIndicator skin part for the selected rows or cells. The item renderer can also change its visual properties to emphasize that it's part of the selection.
The default value is false
.
This property can be used as the source for data binding.
public function get selected():Boolean
public function set selected(value:Boolean):void
showsCaret | property |
showsCaret:Boolean
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.0 |
The grid control's updateDisplayList()
method sets this property
before calling preprare()
.
true
if the item renderer's cell is indicated by the caret.
Unlike a List item renderer, grid item renderers do not have exclusive responsibility for displaying something to indicate their cell or row has the caret. The Grid itself automatically displays the caretIndicator skin part for the caret row or cell. The item renderer can also change its visual properties to emphasize that it has the caret.
The default value is false
.
This property can be used as the source for data binding.
public function get showsCaret():Boolean
public function set showsCaret(value:Boolean):void
DefaultGridItemRenderer | () | Constructor |
public function DefaultGridItemRenderer()
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 1.5 |
Constructor.
discard | () | method |
public function discard(hasBeenRecycled:Boolean):void
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
Called from the item renderer parent's updateDisplayList()
method
when it has been determined that this renderer will no longer be visible.
If the willBeRecycled
parameter is true
,
then the owner adds this renderer to its internal free list for reuse.
Implementations can use this method to clear any renderer properties that are no longer needed.
This method is not intended to be called directly. It is called by the DataGrid implementation.
Parameters
hasBeenRecycled:Boolean — true if this renderer is going to be added
to the owner's internal free list for reuse.
|
prepare | () | method |
public function prepare(willBeRecycled:Boolean):void
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 2.5 |
Called from the item renderer parent's updateDisplayList()
method
after all of the renderer's properties have been set.
The hasBeenRecycled
parameter is false
if this renderer has not been used before, meaning it was not recycled.
This method is called when a renderer is about to become visible
and each time it's redisplayed because of a change in a renderer
property, or because a redisplay was explicitly requested.
This method can be used to configure all of a renderer's visual
elements and properties.
Using this method can be more efficient than binding data
properties to visual element properties.
Note: Because the prepare()
method is called frequently,
make sure that it is coded efficiently.
The prepare()
method may be called many times
before the discard()
method is called.
This method is not intended to be called directly. It is called by the DataGrid implementation.
Parameters
willBeRecycled:Boolean — true if this renderer is being reused.
|
dataChange | Event |
mx.events.FlexEvent
mx.events.FlexEvent.DATA_CHANGE
Language Version : | ActionScript 3.0 |
Product Version : | Flex 4.5 |
Runtime Versions : | Flash Player 10, AIR 1.5 |
Dispatched when the bindable data
property changes.
FlexEvent.DATA_CHANGE
constant defines the value of the
type
property of the event object for a dataChange
event.
The properties of the event object have the following values:
Property | Value |
---|---|
bubbles | false |
cancelable | false |
currentTarget | The Object that defines the
event listener that handles the event. For example, if you use
myButton.addEventListener() to register an event listener,
myButton is the value of the currentTarget . |
target | The Object that dispatched the event;
it is not always the Object listening for the event.
Use the currentTarget property to always access the
Object listening for the event. |
<?xml version="1.0" encoding="utf-8"?> <!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> <!-- Demonstate how to control text wrapping in a DataGrid DefaultGridItemRenderer item renderer. This DataGrid example demonstrates how to control text wrapping with the DefaultGridItemRenderer. All cells in this example display the same lengthy string which does not contain newlines. Note that the Flex text components unconditionally render newline characters that appear in the text. The first "Implicit wordWrap" column's renderer is DefaultGridItemRenderer. By default it sets its wordWrap property equal to the value of the DataGrid's varaiableRowHeight property. The second "Explicit wordWrap" column's DefaultGridItemRenderer overrides the wordWrap property. If the wordWrap property's value is set explicitly, the renderer ignores the DataGrid's variableRowHeight property. Note also: this example's column widths and row heights are defined by the DataGrid's typicalItem. The typical item uses explicit newlines to create a string that occupies three lines and a reasonable column width. --> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark"> <fx:Declarations> <fx:String id="sampleText">Lorem Ipsum is the standard dummy text of the typesetting industry.</fx:String> <fx:int id="maxDisplayedLines">0</fx:int> </fx:Declarations> <s:Panel title="Spark DataGrid Control Example which demonstrates how to control text wrapping in a DefaultGridItemRenderer" width="75%" height="75%" horizontalCenter="0" verticalCenter="0"> <s:controlBarContent> <s:VGroup> <s:CheckBox id="vrh" selected="@{dataGrid.variableRowHeight}" label="dataGrid.variableRowHeight={vrh.selected}"/> <s:CheckBox id="wordWrapCheckBox" selected="true" label="defaultRenderer.wordWrap={wordWrapCheckBox.selected}"/> </s:VGroup> </s:controlBarContent> <s:DataGrid id="dataGrid" variableRowHeight="false" left="5" right="5" top="5" bottom="5"> <s:columns> <s:ArrayList> <!-- DefaultGridItemRenderer doesn't break lines if the DataGrid's variableRowHeight property is false (the default). --> <s:GridColumn dataField="value" headerText="Implicit wordWrap"/> <!-- Defeat line breaking in DefaultGridItemRenderer by setting wordWrap="false". If wordWrap is set, the renderer ignores the DataGrid's variableRowHeight property. --> <s:GridColumn dataField="value" headerText="Explicit wordWrap"> <s:itemRenderer> <fx:Component> <s:DefaultGridItemRenderer color="0x1E6913" wordWrap="{outerDocument.wordWrapCheckBox.selected}"/> </fx:Component> </s:itemRenderer> </s:GridColumn> </s:ArrayList> </s:columns> <!-- The typicalItem defines column widths and the default row height. The text occpies three lines because we've used data binding to introduce two newlines. Alternatively, we could have used the odd XML ' ' escape to introduce two newlines (the value of the newline character is decimal 10). <s:DataItem value="Lorem Ipsum sample text. newline "/> --> <s:typicalItem> <s:DataItem value="{'Lorem Ipsum sample text.\nnewline\n'}"/> </s:typicalItem> <s:ArrayCollection> <s:DataItem value="{sampleText}"/> <s:DataItem value="{sampleText}"/> <s:DataItem value="{sampleText}"/> </s:ArrayCollection> </s:DataGrid> </s:Panel> </s:Application>