Package net.ssehub.easy.producer.ui.productline_editor.configuration

Class InterfaceDropDown

java.lang.Object

net.ssehub.easy.producer.ui.productline_editor.components.AbstractComboBox<ProjectInterface>

net.ssehub.easy.producer.ui.productline_editor.configuration.InterfaceDropDown

public class InterfaceDropDown
extends AbstractComboBox<ProjectInterface>

Drop down menu for selecting project interfaces defined in this project, to use them as a filter.

Author:

Sascha El-Sharkawy

Nested Class Summary

Nested classes/interfaces inherited from class net.ssehub.easy.producer.ui.productline_editor.components.AbstractComboBox

AbstractComboBox.ComboBoxListener<Value>

Field Summary

Fields

Modifier and Type	Field	Description
private Project	lastProject	The information, which was used to build the selectable data of this combo box.

Fields inherited from class net.ssehub.easy.producer.ui.productline_editor.components.AbstractComboBox

NO_SELECTION_VALUE

Constructor Summary

Constructors

Constructor	Description
InterfaceDropDown(PLPInfo plp, org.eclipse.swt.widgets.Composite parent, AbstractComboBox.ComboBoxListener<ProjectInterface> listener)	Sole constructor for this class.

Method Summary

Modifier and Type	Method	Description
protected java.util.List<ProjectInterface>	calculateValues()	Part of the individual sub class: Calculates elements which may be selected by this combo box.
protected boolean	equals(ProjectInterface value1, ProjectInterface value2)	Compare method to check whether the old selection is equal to one of the new elements calculated inside the AbstractComboBox.update() method, e.q.
protected java.lang.String	getDisplayName(ProjectInterface element)	Returns a String representing a selectable element.
protected void	onInit()	Method if something additional should be at the end of the constructor call.
void	update()	Updates its information.

Methods inherited from class net.ssehub.easy.producer.ui.productline_editor.components.AbstractComboBox

addListener, getProductLineProject, getProject, getSelectedValue, select, size

Methods inherited from class java.lang.Object

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

Field Detail

lastProject

private Project lastProject

The information, which was used to build the selectable data of this combo box.
Attention: This value will initialized by the update() call of the constructor of AbstractComboBox.

Constructor Detail

InterfaceDropDown

public InterfaceDropDown(PLPInfo plp,
                         org.eclipse.swt.widgets.Composite parent,
                         AbstractComboBox.ComboBoxListener<ProjectInterface> listener)

Sole constructor for this class.

Parameters:

plp - The PLPInfo which will be configured by this combo box, will also be used for creating the displayed information.

parent - The parent container holding this combo box

listener - Listeners which should already be informed while this combo box is created.

Method Detail

calculateValues

protected java.util.List<ProjectInterface> calculateValues()

Description copied from class: AbstractComboBox

Part of the individual sub class: Calculates elements which may be selected by this combo box.

Specified by:

calculateValues in class AbstractComboBox<ProjectInterface>

Returns:

A list of items which may be selected by this combo box, must not be null.

getDisplayName

protected java.lang.String getDisplayName(ProjectInterface element)

Description copied from class: AbstractComboBox

Returns a String representing a selectable element.

Specified by:

getDisplayName in class AbstractComboBox<ProjectInterface>

Parameters:

element - a selectable element of this combo box.

Returns:

A name which is sufficient for the user.

onInit

protected void onInit()

Description copied from class: AbstractComboBox

Method if something additional should be at the end of the constructor call.

Overrides:

onInit in class AbstractComboBox<ProjectInterface>

equals

protected boolean equals(ProjectInterface value1,
                         ProjectInterface value2)

Description copied from class: AbstractComboBox

Compare method to check whether the old selection is equal to one of the new elements calculated inside the AbstractComboBox.update() method, e.q. return value1.equals(value2).
Sometimes the exiting equals method are not sufficient for this combo box.

Specified by:

equals in class AbstractComboBox<ProjectInterface>

Parameters:

value1 - On value to compare with the other, maybe null.

value2 - On value to compare with the other, maybe null.

Returns:

true if value1 and value2 are equal in the context of this combo box.

update

public void update()

Description copied from class: AbstractComboBox

Updates its information.
Recalculates the data displayed (and selectable) by this combo box.

Overrides:

update in class AbstractComboBox<ProjectInterface>