com.extjs.gxt.ui.client.js
Class JsUtil

java.lang.Object
  com.extjs.gxt.ui.client.js.JsUtil

public class JsUtil
extends java.lang.Object

JavaScript related methods.

Constructor Summary

JsUtil()

Method Summary

static com.google.gwt.core.client.JavaScriptObject	eval(java.lang.String code) Creates a new javascript object from the JSON text.
static boolean	isInteger(java.lang.String value) Returns true if the value is a integer.
static <X> java.util.List<X>	subList(java.util.List<X> list, int start, int end) Returns a section of the given list.
static com.google.gwt.user.client.Element[]	toElementArray(com.google.gwt.core.client.JavaScriptObject jsArray) Converts a native javascript array to an element array.
static com.google.gwt.core.client.JavaScriptObject	toJavaScriptArray(java.lang.Object[] array) Converts a object array to a javascript array.
static <V> com.google.gwt.core.client.JavaScriptObject	toJavaScriptObject(java.util.Map<java.lang.String,V> params) Converts a map into a javascript object, setting all values as properties.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsUtil

public JsUtil()

Method Detail

eval

public static com.google.gwt.core.client.JavaScriptObject eval(java.lang.String code)

Creates a new javascript object from the JSON text.

Parameters:

code - the JSON text

Returns:

the new javascript object

isInteger

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

Returns true if the value is a integer.

Parameters:

value - the value to test

Returns:

the integer state

subList

public static <X> java.util.List<X> subList(java.util.List<X> list,
                                            int start,
                                            int end)

Returns a section of the given list.

Parameters:

list - the list

start - the start index

end - the end index

Returns:

the sub list

toElementArray

public static com.google.gwt.user.client.Element[] toElementArray(com.google.gwt.core.client.JavaScriptObject jsArray)

Converts a native javascript array to an element array.

Parameters:

jsArray - the array to be converted

Returns:

the element array

toJavaScriptArray

public static com.google.gwt.core.client.JavaScriptObject toJavaScriptArray(java.lang.Object[] array)

Converts a object array to a javascript array.

Parameters:

array - the java array

Returns:

the new javascript array

toJavaScriptObject

public static <V> com.google.gwt.core.client.JavaScriptObject toJavaScriptObject(java.util.Map<java.lang.String,V> params)

Converts a map into a javascript object, setting all values as properties. Map keys must be strings.

Parameters:

params - the parameters

Returns:

the new javascript object