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/** ====================================================================
* Copyright 2003-2011 Fabrizio Giustina.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ====================================================================
*/
package org.eclipse.cdt.codan.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.
*
* @author fgiust
* @version $Revision: 1.1 $ ($Author: elaskavaia $)
* @since 2.0
*/
public class LabelFieldEditor extends FieldEditor {
/***
* Label for this field editor.
*/
private Label label;
/***
* All labels can use the same preference name since they don't store any
* preference.
*
* @param labelText text for the label
* @param parent Composite
*/
public LabelFieldEditor(String labelText, Composite parent) {
super("label", labelText, parent); //$NON-NLS-1$
}
/***
* Adjusts the field editor to be displayed correctly for the given number
* of columns.
*
* @param numColumns number of columns
*/
@Override
protected void adjustForNumColumns(int numColumns) {
((GridData) this.label.getLayoutData()).horizontalSpan = numColumns;
}
/***
* Fills the field editor's controls into the given parent.
*
* @param parent Composite
* @param numColumns cumber of columns
*/
@Override
protected void doFillIntoGrid(Composite parent, int numColumns) {
this.label = getLabelControl(parent);
GridData gridData = new GridData();
gridData.horizontalSpan = numColumns;
gridData.horizontalAlignment = GridData.FILL;
gridData.grabExcessHorizontalSpace = false;
gridData.verticalAlignment = GridData.CENTER;
gridData.grabExcessVerticalSpace = false;
this.label.setLayoutData(gridData);
}
/***
* Returns the number of controls in the field editor.
*
* @return 1
*/
@Override
public int getNumberOfControls() {
return 1;
}
/***
* Labels do not persist any preferences, so this method is empty.
*/
@Override
protected void doLoad() {
}
/***
* Labels do not persist any preferences, so this method is empty.
*/
@Override
protected void doLoadDefault() {
}
/***
* Labels do not persist any preferences, so this method is empty.
*/
@Override
protected void doStore() {
}
}
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