de.swm.commons.mobile.client.utils

Class Utils

java.lang.Object

de.swm.commons.mobile.client.utils.Utils

public class Utils
extends Object

Utility, to e.g. write to the browser's console.

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Methods

Modifier and Type	Method and Description
static com.google.gwt.core.client.JavaScriptObject	addEventListener(com.google.gwt.dom.client.Element ele, String event, boolean capture, com.google.gwt.user.client.EventListener listener) Adds an event listener to an HTML element.
static void	addEventListenerOnce(com.google.gwt.dom.client.Element ele, String event, boolean capture, com.google.gwt.user.client.EventListener listener) Removes (if exiting) and adds an event listener to an HTML element.
static void	console(String msg) Writes a debug message to the browser's console.
static void	forceFullRepaint() Will re-redner a screen on android.
static com.google.gwt.dom.client.Element	getActiveElement() Retunns the current active HTML Element.
static int	getDevicePixelRatio() Returns the device pixel ratio.
static int	getHeight(com.google.gwt.dom.client.Element ele) Computes the height of passed HTML element.
static int	getMatrixY(com.google.gwt.dom.client.Element ele) Returns the sixth 2D vector value.
static int	getTargetItemIndex(com.google.gwt.dom.client.Element parent, com.google.gwt.dom.client.EventTarget target) Retuns the index of the target relative to his parent.
static String	getTransitionEventName(com.google.gwt.dom.client.Element ele)
static int	getTranslateX(com.google.gwt.dom.client.Element ele) Returns the x position of an element.
static int	getTranslateY(com.google.gwt.dom.client.Element ele) Returns the y position of an element.
static int	getWidth(com.google.gwt.dom.client.Element ele) Computes the width of passed HTML element.
static void	hideKeyBoard() A utility method to hide the soft keyboard
static boolean	isHtmlFormControl(com.google.gwt.dom.client.Element ele) Returns true if the passed HTML element is a Form element.
static boolean	isSubclassOf(Class<?> class1, Class<?> class2) Returns true if class1 ist sublass of class2
static boolean	isWVGA() Bestimmt ob es sich um eine WVGA ausloesung handelt.
static void	redirect(String url) Fuhrt ein Redirect der url durch.
static void	removeEventListener(com.google.gwt.dom.client.Element ele, String event, boolean capture, com.google.gwt.core.client.JavaScriptObject callBack) Removes an event listener form an HTML element.
static void	removeTitleBar() Removes the Title bar on Adroid
static void	setTransitionDuration(com.google.gwt.dom.client.Element ele, double value) Sets a duration of an Transition.
static void	setTranslateX(com.google.gwt.dom.client.Element ele, double value) Moves an element on x-axis.
static void	setTranslateY(com.google.gwt.dom.client.Element ele, double value) Moves an element on y-axis.

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

console

public static void console(String msg)

Writes a debug message to the browser's console.

Parameters:

msg - message to be written

redirect

public static void redirect(String url)

Fuhrt ein Redirect der url durch.

Parameters:

url - die Zielurl

removeTitleBar

public static void removeTitleBar()

Removes the Title bar on Adroid

hideKeyBoard

public static void hideKeyBoard()

A utility method to hide the soft keyboard

forceFullRepaint

public static void forceFullRepaint()

Will re-redner a screen on android.

addEventListener

public static com.google.gwt.core.client.JavaScriptObject addEventListener(com.google.gwt.dom.client.Element ele,
                                                           String event,
                                                           boolean capture,
                                                           com.google.gwt.user.client.EventListener listener)

Adds an event listener to an HTML element.

Parameters:

ele - the element

event - the event

capture - .

listener - the listener to add

Returns:

the java script object

addEventListenerOnce

public static void addEventListenerOnce(com.google.gwt.dom.client.Element ele,
                        String event,
                        boolean capture,
                        com.google.gwt.user.client.EventListener listener)

Removes (if exiting) and adds an event listener to an HTML element.

Parameters:

ele - the element

event - the event

capture - .

listener - the listener to add

removeEventListener

public static void removeEventListener(com.google.gwt.dom.client.Element ele,
                       String event,
                       boolean capture,
                       com.google.gwt.core.client.JavaScriptObject callBack)

Removes an event listener form an HTML element.

Parameters:

ele - the element

event - the event

capture - .

callBack - call back if removed

isHtmlFormControl

public static boolean isHtmlFormControl(com.google.gwt.dom.client.Element ele)

Returns true if the passed HTML element is a Form element.

Parameters:

ele - the html element

Returns:

true if form control

getActiveElement

public static com.google.gwt.dom.client.Element getActiveElement()

Retunns the current active HTML Element.

Returns:

the html element

isWVGA

public static boolean isWVGA()

Bestimmt ob es sich um eine WVGA ausloesung handelt.

Returns:

true wenn WVGA ausloesung

getDevicePixelRatio

public static int getDevicePixelRatio()

Returns the device pixel ratio.

Returns:

the device pixel ratio.

setTranslateX

public static void setTranslateX(com.google.gwt.dom.client.Element ele,
                 double value)

Moves an element on x-axis.

Parameters:

ele - the element.

value - the value in px

getTranslateX

public static int getTranslateX(com.google.gwt.dom.client.Element ele)

Returns the x position of an element.

Parameters:

ele - the element

Returns:

the position

setTranslateY

public static void setTranslateY(com.google.gwt.dom.client.Element ele,
                 double value)

Moves an element on y-axis.

Parameters:

ele - the element.

value - the value in px

getTranslateY

public static int getTranslateY(com.google.gwt.dom.client.Element ele)

Returns the y position of an element.

Parameters:

ele - the element

Returns:

the position

getMatrixY

public static int getMatrixY(com.google.gwt.dom.client.Element ele)

Returns the sixth 2D vector value. WebKitCSSMatrix objects represent a 4x4 homogeneous matrix for 3D transforms or a vector for 2D transforms. You can use these objects to manipulate matrices in JavaScript. For example, you can multiply, translate, and scale matrices.

Parameters:

ele - the element.

Returns:

the value

setTransitionDuration

public static void setTransitionDuration(com.google.gwt.dom.client.Element ele,
                         double value)

Sets a duration of an Transition.

Parameters:

ele - the element.

value - the value

getTransitionEventName

public static String getTransitionEventName(com.google.gwt.dom.client.Element ele)

getHeight

public static int getHeight(com.google.gwt.dom.client.Element ele)

Computes the height of passed HTML element.

Parameters:

ele - the height.

Returns:

the height in px

getWidth

public static int getWidth(com.google.gwt.dom.client.Element ele)

Computes the width of passed HTML element.

Parameters:

ele - the width.

Returns:

the width in px

getTargetItemIndex

public static int getTargetItemIndex(com.google.gwt.dom.client.Element parent,
                     com.google.gwt.dom.client.EventTarget target)

Retuns the index of the target relative to his parent.

Parameters:

parent - the paent.

target - the target element.

Returns:

the child index.

isSubclassOf

public static boolean isSubclassOf(Class<?> class1,
                   Class<?> class2)

Returns true if class1 ist sublass of class2

Parameters:

class1 - .

class2 - .

Returns:

ture if subclass.