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/****************************************************************************
* Copyright (c) 2004 Composent, Inc. and others.
* 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:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.internal.example.collab.ui;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
/**
* A field editor for displaying labels not associated with other widgets.
*/
class LabelFieldEditor extends FieldEditor {
private Label label;
// All labels can use the same preference name since they don't
// store any preference.
public LabelFieldEditor(String value, Composite parent) {
super("label", value, parent);
}
// Adjusts the field editor to be displayed correctly
// for the given number of columns.
protected void adjustForNumColumns(int numColumns) {
((GridData) label.getLayoutData()).horizontalSpan = numColumns;
}
// Fills the field editor's controls into the given parent.
protected void doFillIntoGrid(Composite parent, int numColumns) {
label = getLabelControl(parent);
GridData gridData = new GridData();
gridData.horizontalSpan = numColumns;
gridData.horizontalAlignment = GridData.FILL;
gridData.grabExcessHorizontalSpace = false;
gridData.verticalAlignment = GridData.CENTER;
gridData.grabExcessVerticalSpace = false;
label.setLayoutData(gridData);
}
// Returns the number of controls in the field editor.
public int getNumberOfControls() {
return 1;
}
// Labels do not persist any preferences, so these methods are empty.
protected void doLoad() {
}
protected void doLoadDefault() {
}
protected void doStore() {
}
}
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