com.extjs.gxt.ui.client.util
Class Util

java.lang.Object
  com.extjs.gxt.ui.client.util.Util

public class Util
extends java.lang.Object

Various utility functions.

Constructor Summary

Util()

Method Summary

static int	constrain(int value, int min, int max) Constrains the value by a min and max value.
static Component[]	createArray(java.util.List list) Creates a Component[] from a list of Component's.
static java.util.List	createList(java.lang.Object... element) Creates a new list and adds the element(s).
static void	fill(java.util.List list, java.lang.Object[] elements) Populates a list with an array of elements.
static com.google.gwt.core.client.JavaScriptObject	getJsObject(ModelData model) Returns the model's data as a javascript object.
static int	indexOf(java.lang.Object[] elements, java.lang.Object elem) Returns the index of a object in an array.
static boolean	isImagePath(java.lang.String style) Returns true if the style ends with .jpg, .gif, or .png.
static boolean	isInteger(java.lang.String value) Tests if the value is an integer.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Util

public Util()

Method Detail

constrain

public static int constrain(int value,
                            int min,
                            int max)

Constrains the value by a min and max value.

Parameters:

value - the value

min - the minimum

max - the maximum

Returns:

the adjusted value

createArray

public static Component[] createArray(java.util.List list)

Creates a Component[] from a list of Component's.

Parameters:

list - the list

Returns:

the array

createList

public static java.util.List createList(java.lang.Object... element)

Creates a new list and adds the element(s).

Parameters:

element - the item to add to the list

Returns:

the new list

fill

public static void fill(java.util.List list,
                        java.lang.Object[] elements)

Populates a list with an array of elements.

Parameters:

list - the list

elements - the elements to be added to the list

getJsObject

public static com.google.gwt.core.client.JavaScriptObject getJsObject(ModelData model)

Returns the model's data as a javascript object.

Parameters:

model - the model

Returns:

the javascript object

indexOf

public static int indexOf(java.lang.Object[] elements,
                          java.lang.Object elem)

Returns the index of a object in an array.

Parameters:

elements - the array

elem - the elemnt

Returns:

the index or -1 if elem not in the array

isImagePath

public static boolean isImagePath(java.lang.String style)

Returns true if the style ends with .jpg, .gif, or .png.

Parameters:

style - the style

Returns:

true for an image path

isInteger

public static boolean isInteger(java.lang.String value)

Tests if the value is an integer.

Parameters:

value - the value to test

Returns:

the integer state