org.eclipse.eef.ide.ui.api.widgets

Class EEFStyleHelper

java.lang.Object

org.eclipse.eef.ide.ui.api.widgets.EEFStyleHelper

public class EEFStyleHelper
extends java.lang.Object

This utility class contains various helper method to manipulate styles.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	EEFStyleHelper.IEEFTextStyleCallback This class will be called to update the style of the text.

Constructor Summary

Constructors

Constructor and Description
EEFStyleHelper(org.eclipse.sirius.common.interpreter.api.IInterpreter interpreter, org.eclipse.sirius.common.interpreter.api.IVariableManager variableManager) The constructor.

Method Summary

Modifier and Type	Method and Description
void	applyTextStyle(java.lang.String fontNameExpression, java.lang.String fontSizeExpression, java.lang.String fontStyleExpression, org.eclipse.swt.graphics.Font defaultFont, java.lang.String backgroundColorExpression, java.lang.String foregroundColorExpression, EEFStyleHelper.IEEFTextStyleCallback callback) Uses the given expressions to update the style using the given callback.
protected org.eclipse.emf.ecore.util.Switch<EEFWidgetStyle>	getConditionalStyleToWidgetStyleSwitch() Returns the switch to use to find the style of a conditional style.
protected org.eclipse.emf.ecore.util.Switch<java.util.List<EEFConditionalStyle>>	getDescriptionToConditionalStylesSwitch() Returns the switch to use to find the conditional styles of a widget description.
protected org.eclipse.emf.ecore.util.Switch<EEFWidgetStyle>	getDescriptionToWidgetStyleSwitch() Returns the switch to use to find the style of a description.
EEFWidgetStyle	getWidgetStyle(EEFWidgetDescription widgetDescription) Returns the widget style to use from the given widget description.

Methods inherited from class java.lang.Object

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

Constructor Detail

EEFStyleHelper

public EEFStyleHelper(org.eclipse.sirius.common.interpreter.api.IInterpreter interpreter,
                      org.eclipse.sirius.common.interpreter.api.IVariableManager variableManager)

The constructor.

Parameters:

interpreter - The interpreter

variableManager - The variable manager

Method Detail

getWidgetStyle

public EEFWidgetStyle getWidgetStyle(EEFWidgetDescription widgetDescription)

Returns the widget style to use from the given widget description.

Parameters:

widgetDescription - The widget description

Returns:

The widget style to use

getDescriptionToConditionalStylesSwitch

protected org.eclipse.emf.ecore.util.Switch<java.util.List<EEFConditionalStyle>> getDescriptionToConditionalStylesSwitch()

Returns the switch to use to find the conditional styles of a widget description. The switch returned should be able to handle the default use case, as a result it is highly recommended to return a composed switch with the default one and new switches. Example:
return new ComposedSwitch<>(Arrays.asList(new EEFDescriptionToConditionalStylesSwitch(), new CustomDescriptionToConditionalStylesSwitch()));

Returns:

The switch to use to find the conditional styles of a widget description

getConditionalStyleToWidgetStyleSwitch

protected org.eclipse.emf.ecore.util.Switch<EEFWidgetStyle> getConditionalStyleToWidgetStyleSwitch()

Returns the switch to use to find the style of a conditional style. The switch returned should be able to handle the default use case, as a result it is highly recommended to return a composed switch with the default one and new switches. Example:
return new ComposedSwitch<>(Arrays.asList(new EEFConditionalStyleToWidgetStyleSwitch(), new CustomConditionalStyleToWidgetStyleSwitch()));

Returns:

The switch to use to find the style of a conditional style

getDescriptionToWidgetStyleSwitch

protected org.eclipse.emf.ecore.util.Switch<EEFWidgetStyle> getDescriptionToWidgetStyleSwitch()

Returns the switch to use to find the style of a description. The switch returned should be able to handle the default use case, as a result it is highly recommended to return a composed switch with the default one and new switches. Example:
return new ComposedSwitch<>(Arrays.asList(new EEFDescriptionToWidgetStyleSwitch(), new EEFDescriptionToWidgetStyleSwitch()));

Returns:

The switch to use to find the style of a description.

applyTextStyle

public void applyTextStyle(java.lang.String fontNameExpression,
                           java.lang.String fontSizeExpression,
                           java.lang.String fontStyleExpression,
                           org.eclipse.swt.graphics.Font defaultFont,
                           java.lang.String backgroundColorExpression,
                           java.lang.String foregroundColorExpression,
                           EEFStyleHelper.IEEFTextStyleCallback callback)

Uses the given expressions to update the style using the given callback.

Parameters:

fontNameExpression - The expression used to compute the name of the font

fontSizeExpression - The expression used to compute the size of the font

fontStyleExpression - The expression used to compute the style of the font

defaultFont - The default font

backgroundColorExpression - The expression used to compute the background color of the font

foregroundColorExpression - The expression used to compute the foreground color of the font

callback - The callback which will be called when a property of the style has been computed