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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*
*******************************************************************************/
package org.eclipse.wst.dtd.ui.internal.properties.section;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
import org.eclipse.wst.dtd.core.internal.Entity;
import org.eclipse.wst.dtd.ui.internal.DTDPropertiesMessages;
public class EntityValueSection extends AbstractSection {
private final String VALUE = DTDPropertiesMessages._UI_LABEL_ENTITY_VALUE;
private final String PUBLIC_ID = DTDPropertiesMessages._UI_LABEL_PUBLIC_ID;
private final String SYSTEM_ID = DTDPropertiesMessages._UI_LABEL_SYSTEM_ID;
private Text valueText;
private Text publicIdText;
private Text systemIdText;
private CLabel valueLabel;
private CLabel publicIdLabel;
private CLabel systemIdLabel;
private FontMetrics fFontMetrics;
public void doHandleEvent(Event event) {
if (event.widget == valueText) {
Object input = getInput();
String newValue = valueText.getText();
if (input instanceof Entity) {
Entity entity = (Entity) input;
entity.setValue(newValue);
}
}
else if (event.widget == publicIdText) {
Object input = getInput();
String newValue = publicIdText.getText();
if (input instanceof Entity) {
Entity entity = (Entity) input;
entity.setPublicID(newValue);
}
}
else if (event.widget == systemIdText) {
Object input = getInput();
String newValue = systemIdText.getText();
if (input instanceof Entity) {
Entity entity = (Entity) input;
entity.setSystemID(newValue);
}
}
}
/**
* @see org.eclipse.wst.common.ui.properties.internal.provisional.ITabbedPropertySection#createControls(org.eclipse.swt.widgets.Composite,
* org.eclipse.wst.common.ui.properties.internal.provisional.TabbedPropertySheetWidgetFactory)
*/
public void createControls(Composite parent, TabbedPropertySheetWidgetFactory factory) {
super.createControls(parent, factory);
Composite composite = getWidgetFactory().createFlatFormComposite(parent);
FormData data;
// Create label first then attach other control to it
valueLabel = getWidgetFactory().createCLabel(composite, VALUE);
initializeFontMetrics(valueLabel);
int labelWidth = getLabelWidth(valueLabel.getText());
data = new FormData(labelWidth, SWT.DEFAULT);
data.left = new FormAttachment(0, 0);
data.top = new FormAttachment(0, 0);
valueLabel.setLayoutData(data);
// Entity Value
valueText = getWidgetFactory().createText(composite, ""); //$NON-NLS-1$
data = new FormData();
data.left = new FormAttachment(valueLabel, -ITabbedPropertyConstants.HSPACE);
data.right = new FormAttachment(100, 0);
data.top = new FormAttachment(valueLabel, 0, SWT.CENTER);
valueText.setLayoutData(data);
valueText.addListener(SWT.Modify, this);
// Create label first then attach other control to it
publicIdLabel = getWidgetFactory().createCLabel(composite, PUBLIC_ID);
labelWidth = getLabelWidth(publicIdLabel.getText());
data = new FormData(labelWidth, SWT.DEFAULT);
data.left = new FormAttachment(0, 0);
data.top = new FormAttachment(valueLabel, +ITabbedPropertyConstants.VSPACE);
publicIdLabel.setLayoutData(data);
// Public ID
publicIdText = getWidgetFactory().createText(composite, ""); //$NON-NLS-1$
data = new FormData();
data.left = new FormAttachment(publicIdLabel, -ITabbedPropertyConstants.HSPACE);
data.right = new FormAttachment(100, 0);
data.top = new FormAttachment(publicIdLabel, 0, SWT.CENTER);
publicIdText.setLayoutData(data);
publicIdText.addListener(SWT.Modify, this);
// Create label first then attach other control to it
systemIdLabel = getWidgetFactory().createCLabel(composite, SYSTEM_ID);
labelWidth = getLabelWidth(systemIdLabel.getText());
data = new FormData(labelWidth, SWT.DEFAULT);
data.left = new FormAttachment(0, 0);
data.top = new FormAttachment(publicIdLabel, +ITabbedPropertyConstants.VSPACE);
systemIdLabel.setLayoutData(data);
// System ID
systemIdText = getWidgetFactory().createText(composite, ""); //$NON-NLS-1$
data = new FormData();
data.left = new FormAttachment(systemIdLabel, -ITabbedPropertyConstants.HSPACE);
data.right = new FormAttachment(100, 0);
data.top = new FormAttachment(systemIdLabel, 0, SWT.CENTER);
systemIdText.setLayoutData(data);
systemIdText.addListener(SWT.Modify, this);
}
/*
* @see org.eclipse.wst.common.ui.properties.internal.provisional.view.ITabbedPropertySection#refresh()
*/
public void refresh() {
setListenerEnabled(false);
Object input = getInput();
if (isExternalEntity()) {
valueLabel.setVisible(false);
valueText.setVisible(false);
publicIdLabel.setVisible(true);
publicIdText.setVisible(true);
systemIdLabel.setVisible(true);
systemIdText.setVisible(true);
publicIdText.setText(""); //$NON-NLS-1$
systemIdText.setText(""); //$NON-NLS-1$
if (input != null && input instanceof Entity) {
Entity entity = (Entity) input;
publicIdText.setText((entity).getPublicID());
systemIdText.setText((entity).getSystemID());
}
}
else {
valueLabel.setVisible(true);
valueText.setVisible(true);
publicIdLabel.setVisible(false);
publicIdText.setVisible(false);
systemIdLabel.setVisible(false);
systemIdText.setVisible(false);
valueText.setText(""); //$NON-NLS-1$
if (input != null && input instanceof Entity)
valueText.setText(((Entity) input).getValue());
}
setListenerEnabled(true);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.common.ui.properties.internal.provisional.ISection#shouldUseExtraSpace()
*/
public boolean shouldUseExtraSpace() {
return false;
}
private boolean isExternalEntity() {
return EntityTypeSection.isExternalEntity;
}
/**
* Initilize font metrics
*
* @param control
*/
private void initializeFontMetrics(Control control) {
GC gc = new GC(control);
gc.setFont(control.getFont());
fFontMetrics = gc.getFontMetrics();
gc.dispose();
}
/**
* Determine appropriate label width
*
* @param labelText
* @return
*/
private int getLabelWidth(String labelText) {
int labelWidth = 98;
int pixels = Dialog.convertWidthInCharsToPixels(fFontMetrics, labelText.length() + 5);
labelWidth = Math.max(pixels, labelWidth);
return labelWidth;
}
}
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