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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.skynet.widgets;
import org.eclipse.osee.framework.jdk.core.util.AHTML;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.framework.ui.swt.ALayout;
import org.eclipse.osee.framework.ui.swt.Widgets;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Hyperlink;
/**
* @author Donald G. Dunne
*/
public abstract class XHyperlinkLabelValueSelection extends GenericXWidget {
Hyperlink valueHyperlinkLabel;
protected Label valueLabel;
public XHyperlinkLabelValueSelection(String label) {
super(label);
}
/**
* Override this method to provide changing value
*/
public abstract String getCurrentValue();
@Override
protected void createControls(Composite parent, int horizontalSpan) {
Composite comp = new Composite(parent, SWT.NONE);
comp.setLayout(ALayout.getZeroMarginLayout(5, false));
if (isFillHorizontally()) {
comp.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
} else {
comp.setLayoutData(new GridData());
}
// Create Text Widgets
if (isDisplayLabel() && !getLabel().equals("")) {
labelWidget = new Label(comp, SWT.NONE);
labelWidget.setText(getLabel() + ":");
if (getToolTip() != null) {
labelWidget.setToolTipText(getToolTip());
}
}
GridData gd = new GridData();
if (isFillHorizontally()) {
gd.grabExcessHorizontalSpace = true;
}
if (isEditable()) {
if (toolkit == null) {
valueHyperlinkLabel = new Hyperlink(comp, SWT.NONE);
} else {
valueHyperlinkLabel = toolkit.createHyperlink(comp, " <edit>", SWT.NONE);
}
valueHyperlinkLabel.setToolTipText(Strings.isValid(getToolTip()) ? getToolTip() : "Select to Modify");
valueHyperlinkLabel.setLayoutData(gd);
valueHyperlinkLabel.addListener(SWT.MouseUp, new Listener() {
@Override
public void handleEvent(Event event) {
if (handleSelection()) {
refresh();
notifyXModifiedListeners();
}
}
});
} else {
if (toolkit == null) {
valueLabel = new Label(comp, SWT.NONE);
} else {
valueLabel = toolkit.createLabel(comp, " Not Set", SWT.NONE);
}
valueLabel.setToolTipText(getToolTip());
valueLabel.setLayoutData(gd);
}
refresh();
}
@Override
public void refresh() {
if (getControl() == null || getControl().isDisposed()) {
return;
}
if (Widgets.isAccessible(valueHyperlinkLabel)) {
if (getCurrentValue().equals(valueHyperlinkLabel.getText())) {
return;
}
valueHyperlinkLabel.setText(getCurrentValue());
valueHyperlinkLabel.update();
valueHyperlinkLabel.getParent().update();
} else if (Widgets.isAccessible(valueLabel)) {
if (getCurrentValue().equals(valueLabel.getText())) {
return;
}
valueLabel.setText(getCurrentValue());
valueLabel.update();
valueLabel.getParent().update();
}
validate();
}
public boolean handleSelection() {
return false;
}
@Override
public Control getControl() {
if (Widgets.isAccessible(valueHyperlinkLabel)) {
return valueHyperlinkLabel;
}
if (Widgets.isAccessible(valueLabel)) {
return valueLabel;
}
return null;
}
@Override
public void adaptControls(FormToolkit toolkit) {
super.adaptControls(toolkit);
if (Widgets.isAccessible(valueHyperlinkLabel)) {
toolkit.adapt(valueHyperlinkLabel, true, true);
valueHyperlinkLabel.update();
}
if (Widgets.isAccessible(valueLabel)) {
toolkit.adapt(valueLabel, true, true);
valueLabel.update();
}
}
@Override
public String toHTML(String labelFont) {
return AHTML.getLabelValueStr(AHTML.LABEL_FONT, getLabel(), getCurrentValue());
}
}
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