[E-p-i-c-commits] org.epic.perleditor/src/org/epic/core/preferences SpacerFieldEditor.java,NONE,1.1 LabelFieldEditor.java,NONE,1.1

[<lue...@us...>]

Update of /cvsroot/e-p-i-c/org.epic.perleditor/src/org/epic/core/preferences
In directory sc8-pr-cvs1:/tmp/cvs-serv1025/src/org/epic/core/preferences

Added Files:
	SpacerFieldEditor.java LabelFieldEditor.java 
Log Message:
Initial version

--- NEW FILE: SpacerFieldEditor.java ---
package org.epic.core.preferences;

import org.eclipse.swt.widgets.Composite;

/**
 * A field editor for adding space to a preference page.
 */
public class SpacerFieldEditor extends LabelFieldEditor {
	// Implemented as an empty label field editor.
	public SpacerFieldEditor(Composite parent) {
		super("", parent);
	}
}

--- NEW FILE: LabelFieldEditor.java ---
package org.epic.core.preferences;

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.
 */
public 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() {
	}
}