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/*******************************************************************************
* Copyright (c) 2001, 2004 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.wsdl.ui.internal.viewers;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Text;
import org.eclipse.wst.wsdl.WSDLElement;
import org.eclipse.wst.wsdl.ui.internal.WSDLEditor;
import org.eclipse.wst.wsdl.ui.internal.WSDLEditorPlugin;
import org.eclipse.wst.wsdl.ui.internal.actions.AddElementAction;
import org.eclipse.wst.wsdl.ui.internal.util.WSDLEditorUtil;
import org.eclipse.xsd.XSDComponent;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class TabbedViewer implements ISelectionChangedListener
{
protected WSDLEditor editor;
protected CTabFolder tabFolder;
protected Text documentationField;
protected DocumentationListener documentationListener;
protected boolean listenerEnabled;
public TabbedViewer(WSDLEditor editor)
{
this.editor = editor;
}
public Control createControl(Composite parent)
{
tabFolder = new CTabFolder(parent, 0);
CTabItem tab = new CTabItem(tabFolder, SWT.NONE);
tab.setText(WSDLEditorPlugin.getWSDLString("_UI_LABEL_DOCUMENTION")); //$NON-NLS-1$
documentationField = new Text(tabFolder, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.WRAP);
tab.setControl(documentationField);
tabFolder.setSelection(tab);
documentationListener = new DocumentationListener();
listenerEnabled = true;
documentationField.addModifyListener(documentationListener);
editor.getSelectionManager().addSelectionChangedListener(this);
return tabFolder;
}
public void setInput(Object object)
{
listenerEnabled = false;
documentationListener.setInput(object);
documentationField.setEnabled(true);
documentationField.setText("");
if (object instanceof XSDComponent || !(object instanceof WSDLElement))
{
documentationField.setEnabled(false);
listenerEnabled = true;
return;
}
Element element = WSDLEditorUtil.getInstance().getElementForObject(object);
if (element != null)
{
if (element.getLocalName().equals("documentation"))
{
documentationField.setEnabled(false);
listenerEnabled = true;
return;
}
Node docNode = getChildNode(element, element.getPrefix(), "documentation");
if (docNode != null)
{
Node textNode = docNode.getFirstChild();
if (textNode != null)
{
String textNodeValue = textNode.getNodeValue();
documentationField.setText(textNodeValue != null ? textNodeValue : "");
}
}
}
listenerEnabled = true;
// There appears to be a defect in the model...it doesn't return
// the documentationElement even though it exists
// if (object instanceof WSDLElement)
// {
// WSDLElement elem = (WSDLElement)object;
// System.out.println("elem = " + elem);
//
// if (elem != null)
// {
// Element doc = elem.getDocumentationElement();
// System.out.println("docNode = " + doc);
// if (doc != null)
// {
// Node textNode = doc.getFirstChild();
// if (textNode != null)
// {
// documentationField.setText(textNode.getNodeValue());
// }
// }
// }
// }
}
public void selectionChanged(SelectionChangedEvent event)
{
ISelection selection = event.getSelection();
if (selection instanceof IStructuredSelection)
{
Object o = ((IStructuredSelection)selection).getFirstElement();
if (o != null)
{
setInput(o);
}
}
}
public Node getChildNode(Element parent, String prefix, String childName)
{
NodeList list = null;
if (parent != null)
{
list = parent.getChildNodes();
}
String targetName;
if (prefix != null && prefix.length() > 0)
{
targetName = prefix + ":" + childName;
}
else
{
targetName = childName;
}
String name = null;
if (list != null)
{
// Performance issue perhaps?
for (int i = 0; i < list.getLength(); i++)
{
if (list.item(i) instanceof Element)
{
if (list.item(i).getNodeName().equals(targetName))
{
return list.item(i);
}
}
}
}
return null;
}
class DocumentationListener implements ModifyListener
{
Object object;
public void setInput(Object object)
{
this.object = object;
}
/**
* @see org.eclipse.swt.events.ModifyListener#modifyText(ModifyEvent)
*/
public void modifyText(ModifyEvent e)
{
if (listenerEnabled)
{
Element element = WSDLEditorUtil.getInstance().getElementForObject(object);
if (element != null)
{
Node docNode = getChildNode(element, element.getPrefix(), "documentation");
if (docNode != null)
{
Node textNode = docNode.getFirstChild();
if (textNode != null)
{
textNode.setNodeValue(documentationField.getText());
}
else
{
if (documentationField.getText() != null && documentationField.getText().length() > 0)
{
Document document = docNode.getOwnerDocument();
org.w3c.dom.Text newTextNode = document.createTextNode(documentationField.getText());
docNode.appendChild(newTextNode);
}
}
}
else
{
AddElementAction action = new AddElementAction(element, element.getPrefix(), "documentation", element.getFirstChild());
action.run();
Element newDocumentation = action.getNewElement();
Document document = newDocumentation.getOwnerDocument();
org.w3c.dom.Text newTextNode = document.createTextNode(documentationField.getText());
newDocumentation.appendChild(newTextNode);
}
}
}
}
}
}
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