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/**
* Copyright (c) 2012 Mia-Software.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Alban Ménager (Soft-Maint) - Bug 387470 - [EFacet][Custom] Editors
*/
package org.eclipse.papyrus.emf.facet.util.ui.utils;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Spinner;
import org.eclipse.swt.widgets.Text;
/**
* This util class provides methods for the creation of basics ui components
* like buttons or text field.
*
* @since 0.3
*/
public final class UIUtils {
private static final int WIDTH_HINT = 110;
private UIUtils() {
// Private constructor.
}
/**
* Create the label (with the given labelName) in the given composite. The
* layoutData of the label is {@link #getLabelGridData()}.
*
* @param parent
* the composite parent.
* @param labelName
* the label name.
*/
public static Label createLabel(final Composite parent,
final String labelName) {
final Label label = new Label(parent, SWT.NONE);
label.setText(labelName);
label.setLayoutData(getLabelGridData());
return label;
}
/**
* Create and return a new button.
*
* @param parent
* the button parent.
* @param text
* the text to display on the button.
* @param enabled
* set if the button can be pressed or not.
* @param selectionListener
* the listener when the button is pressed (can be null).
* @return the new button.
*/
public static Button createButton(final Composite parent,
final String text, final boolean enabled,
final SelectionListener selectionListener) {
final Button button = new Button(parent, SWT.NONE);
button.setText(text);
button.setEnabled(enabled);
if (selectionListener != null) {
button.addSelectionListener(selectionListener);
}
return button;
}
/**
* Create and return a new text field.
*
* @param parent
* the text field parent.
* @param text
* the text to display on the text field.
* @param enabled
* set if the text field can be edit or not.
* @param selectListener
* the listener when the text field is edited (can be null).
* @return the new text field.
*/
public static Text createTextField(final Composite parent,
final String text, final boolean enabled,
final ModifyListener modifyListener) {
final Text textField = new Text(parent, SWT.BORDER);
textField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
textField.setEnabled(enabled);
if (text != null) {
textField.setText(text);
}
if (modifyListener != null) {
textField.addModifyListener(modifyListener);
}
return textField;
}
/**
* Create a combobox with a label.
*
* @param parent
* the parent of the combobox.
* @param enabled
* if the combobox is enabled.
* @param elements
* the elements of the combobox
* @param listener
* the listener of the combobox (can be null)
* @return the combobox created.
*/
public static Combo createCombobox(final Composite parent,
final boolean enabled, final List<String> elements,
final String label, final SelectionListener listener) {
final Composite composite = new Composite(parent, SWT.NONE);
final GridLayout gridLayout = new GridLayout(2, false);
gridLayout.marginWidth = 0;
composite.setLayout(gridLayout);
final Label comboboxLabel = new Label(composite, SWT.NONE);
comboboxLabel.setText(label);
final GridData gridData = new GridData(SWT.FILL);
comboboxLabel.setLayoutData(gridData);
final Combo combobox = new Combo(composite, SWT.DROP_DOWN
| SWT.READ_ONLY);
combobox.setLayoutData(new GridData(SWT.FILL));
combobox.setEnabled(enabled);
for (final String element : elements) {
combobox.add(element);
}
combobox.select(0);
if (listener != null) {
combobox.addSelectionListener(listener);
}
return combobox;
}
/**
* Create and return a new text field.
*
* @param parent
* the text field parent.
* @param text
* the text to display on the text field.
* @param enabled
* set if the text field can be edit or not.
* @param selectListener
* the listener when the text field is edited (can be null).
* @return the new text field.
*/
public static Text createTextArea(final Composite parent,
final String text, final boolean enabled,
final ModifyListener modifyListener) {
final Text textArea = new Text(parent, SWT.MULTI | SWT.BORDER
| SWT.WRAP | SWT.V_SCROLL);
textArea.setLayoutData(new GridData(GridData.FILL_BOTH));
textArea.setEnabled(enabled);
if (text != null) {
textArea.setText(text);
}
if (modifyListener != null) {
textArea.addModifyListener(modifyListener);
}
return textArea;
}
/**
* @return the labelGridData
*/
public static GridData getLabelGridData() {
final GridData labelGridData = new GridData(SWT.FILL);
labelGridData.widthHint = WIDTH_HINT;
return labelGridData;
}
/**
* Create and return a new checkbox.
*
* @param parent
* the checkbox parent.
* @param enabled
* set if the checkbox can be checked or not.
* @param selected
* set if the checkbox is initially selected or not.
* @param selectionListener
* the listener when the checkbox is selected (can be null).
* @return the new checkbox.
*/
public static Button createCheckbox(final Composite composite,
final boolean enabled, final boolean selected,
final SelectionListener selectionListener) {
final Button checkbox = new Button(composite, SWT.CHECK);
checkbox.setEnabled(enabled);
checkbox.setSelection(selected);
checkbox.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
if (selectionListener != null) {
checkbox.addSelectionListener(selectionListener);
}
return checkbox;
}
/**
* Create and return a new spinner.
*
* @param parent
* the parent of the spinner.
* @param maxValue
* the max value the spinner can reach.
* @param minValue
* the min value the spinner can reach.
* @param increment
* the increment of the spinner.
* @param changeable
* if the spinner is changeable or not.
* @param modifyListener
* the listener when the spinner is changed (can be null).
* @return the new spinner.
*
* @see Spinner
*/
public static Spinner createSpinner(final Composite parent,
final int maxValue, final int minValue, final int increment,
final boolean changeable, final ModifyListener modifyListener) {
final Spinner spinner = new Spinner(parent, SWT.BORDER);
spinner.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
spinner.setMaximum(maxValue);
spinner.setMinimum(minValue);
spinner.setIncrement(increment);
spinner.setEnabled(changeable);
if (modifyListener != null) {
spinner.addModifyListener(modifyListener);
}
return spinner;
}
}
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