com.vaadin.client

Class ComputedStyle

java.lang.Object

com.vaadin.client.ComputedStyle

public class ComputedStyle
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected com.google.gwt.core.client.JavaScriptObject	computedStyle

Constructor Summary

Constructors

Constructor and Description
ComputedStyle(com.google.gwt.dom.client.Element elem) Gets this element's computed style object which can be used to gather information about the current state of the rendered node.

Method Summary

Modifier and Type	Method and Description
int[]	getBorder() Get current border values from the DOM.
double	getBorderHeight() Returns the sum of the top and bottom border width
double	getBorderWidth() Returns the sum of the left and right border width
double	getDoubleProperty(String name) Retrieves the given computed property as a double Returns NaN if the property cannot be converted to a double
double	getHeight() Returns the current height from the DOM.
int	getIntProperty(String name) Retrieves the given computed property as an integer Returns 0 if the property cannot be converted to an integer
int[]	getMargin() Get current margin values from the DOM.
double	getMarginHeight() Returns the sum of the top and bottom margin
double	getMarginWidth() Returns the sum of the top and bottom margin
int[]	getPadding() Get current padding values from the DOM.
double	getPaddingHeight() Returns the sum of the top and bottom padding
double	getPaddingWidth() Returns the sum of the top and bottom padding
String	getProperty(String name)
double	getWidth() Returns the current width from the DOM.
static Integer	parseInt(String value) Deprecated. Since 7.1.4, the method parseIntNative(String) is used internally and this method does not belong in the public API of ComputedStyle. parseInt(String) might be removed or moved to a utility class in future versions.

Methods inherited from class java.lang.Object

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

Field Detail

computedStyle

protected final com.google.gwt.core.client.JavaScriptObject computedStyle

Constructor Detail

ComputedStyle

public ComputedStyle(com.google.gwt.dom.client.Element elem)

Gets this element's computed style object which can be used to gather information about the current state of the rendered node.

Note that this method is expensive. Wherever possible, reuse the returned object.

Parameters:

elem - the element

Method Detail

getProperty

public final String getProperty(String name)

Parameters:

name - name of the CSS property in camelCase

Returns:

the value of the property, normalized for across browsers (each browser returns pixel values whenever possible).

getIntProperty

public final int getIntProperty(String name)

Retrieves the given computed property as an integer Returns 0 if the property cannot be converted to an integer

Parameters:

name - the property to retrieve

Returns:

the integer value of the property or 0

getDoubleProperty

public final double getDoubleProperty(String name)

Retrieves the given computed property as a double Returns NaN if the property cannot be converted to a double

Parameters:

name - the property to retrieve

Returns:

the double value of the property

Since:

7.5.1

getMargin

public final int[] getMargin()

Get current margin values from the DOM. The array order is the default CSS order: top, right, bottom, left.

getPadding

public final int[] getPadding()

Get current padding values from the DOM. The array order is the default CSS order: top, right, bottom, left.

getBorder

public final int[] getBorder()

Get current border values from the DOM. The array order is the default CSS order: top, right, bottom, left.

getWidth

public double getWidth()

Returns the current width from the DOM.

Returns:

the computed width

Since:

7.5.1

getHeight

public double getHeight()

Returns the current height from the DOM.

Returns:

the computed height

Since:

7.5.1

parseInt

@Deprecated
public static Integer parseInt(String value)

Deprecated. Since 7.1.4, the method parseIntNative(String) is used internally and this method does not belong in the public API of ComputedStyle. parseInt(String) might be removed or moved to a utility class in future versions.

Takes a String value e.g. "12px" and parses that to Integer 12.

Parameters:

String - a value starting with a number

Returns:

Integer the value from the string before any non-numeric characters. If the value cannot be parsed to a number, returns null.

getBorderHeight

public double getBorderHeight()

Returns the sum of the top and bottom border width

Returns:

the sum of the top and bottom border

Since:

7.5.3

getBorderWidth

public double getBorderWidth()

Returns the sum of the left and right border width

Returns:

the sum of the left and right border

Since:

7.5.3

getPaddingHeight

public double getPaddingHeight()

Returns the sum of the top and bottom padding

Returns:

the sum of the top and bottom padding

Since:

7.5.3

getPaddingWidth

public double getPaddingWidth()

Returns the sum of the top and bottom padding

Returns:

the sum of the left and right padding

Since:

7.5.3

getMarginHeight

public double getMarginHeight()

Returns the sum of the top and bottom margin

Returns:

the sum of the top and bottom margin

Since:

7.5.6

getMarginWidth

public double getMarginWidth()

Returns the sum of the top and bottom margin

Returns:

the sum of the left and right margin

Since:

7.5.6