/*******************************************************************************
* Copyright (c) 2001, 2008 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.xsd.ui.internal.common.properties.sections;
import java.util.Map;
import org.apache.xerces.util.XMLChar;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.xsd.ui.internal.common.util.XSDDirectivesSchemaLocationUpdater;
import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorCSHelpIds;
import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorPlugin;
import org.eclipse.wst.xsd.ui.internal.util.TypesHelper;
import org.eclipse.xsd.XSDImport;
import org.eclipse.xsd.util.XSDConstants;
import org.w3c.dom.Element;
public class XSDImportSection extends SchemaLocationSection
{
protected Text namespaceText, prefixText;
protected String oldPrefixValue;
public XSDImportSection()
{
super();
}
/**
* @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 createContents(Composite parent)
{
composite = getWidgetFactory().createFlatFormComposite(parent);
GridLayout gridLayout = new GridLayout();
gridLayout.marginTop = 0;
gridLayout.marginBottom = 0;
gridLayout.numColumns = 3;
composite.setLayout(gridLayout);
GridData data = new GridData();
// Create Schema Location Label
CLabel namespaceLabel = getWidgetFactory().createCLabel(composite, XSDEditorPlugin.getXSDString("_UI_LABEL_NAMESPACE")); //$NON-NLS-1$
data.horizontalAlignment = GridData.HORIZONTAL_ALIGN_BEGINNING;
data.grabExcessHorizontalSpace = false;
namespaceLabel.setLayoutData(data);
namespaceText = getWidgetFactory().createText(composite, "", SWT.NONE); //$NON-NLS-1$
namespaceText.setEditable(false);
data = new GridData();
data.grabExcessHorizontalSpace = true;
data.horizontalAlignment = GridData.FILL;
applyAllListeners(namespaceText);
namespaceText.setLayoutData(data);
// ------------------------------------------------------------------
// DummyLabel
// ------------------------------------------------------------------
data = new GridData();
data.horizontalAlignment = GridData.HORIZONTAL_ALIGN_BEGINNING;
data.grabExcessHorizontalSpace = false;
getWidgetFactory().createCLabel(composite, ""); //$NON-NLS-1$
CLabel prefixLabel = getWidgetFactory().createCLabel(composite, XSDEditorPlugin.getXSDString("_UI_LABEL_PREFIX")); //$NON-NLS-1$
data = new GridData();
data.horizontalAlignment = GridData.HORIZONTAL_ALIGN_BEGINNING;
data.grabExcessHorizontalSpace = false;
prefixLabel.setLayoutData(data);
prefixText = getWidgetFactory().createText(composite, "", SWT.NONE); //$NON-NLS-1$
prefixText.setEditable(true);
applyAllListeners(prefixText);
data = new GridData();
data.grabExcessHorizontalSpace = true;
data.horizontalAlignment = GridData.FILL;
prefixText.setLayoutData(data);
// ------------------------------------------------------------------
// DummyLabel
// ------------------------------------------------------------------
data = new GridData();
data.horizontalAlignment = GridData.HORIZONTAL_ALIGN_BEGINNING;
data.grabExcessHorizontalSpace = false;
getWidgetFactory().createCLabel(composite, ""); //$NON-NLS-1$
// Create Schema Location Label
CLabel schemaLocationLabel = getWidgetFactory().createCLabel(composite, XSDEditorPlugin.getXSDString("_UI_LABEL_SCHEMA_LOCATION")); //$NON-NLS-1$
data = new GridData();
data.horizontalAlignment = GridData.HORIZONTAL_ALIGN_BEGINNING;
data.grabExcessHorizontalSpace = false;
schemaLocationLabel.setLayoutData(data);
// Create Schema Location Text
schemaLocationText = getWidgetFactory().createText(composite, "", SWT.NONE); //$NON-NLS-1$
schemaLocationText.setEditable(true);
applyAllListeners(schemaLocationText);
data = new GridData();
data.grabExcessHorizontalSpace = true;
data.horizontalAlignment = GridData.FILL;
schemaLocationText.setLayoutData(data);
// Create Wizard Button
wizardButton = getWidgetFactory().createButton(composite, "", SWT.NONE); //$NON-NLS-1$
wizardButton.setImage(XSDEditorPlugin.getXSDImage("icons/browsebutton.gif")); //$NON-NLS-1$
data = new GridData();
data.horizontalAlignment = GridData.HORIZONTAL_ALIGN_BEGINNING;
data.grabExcessHorizontalSpace = false;
wizardButton.setLayoutData(data);
wizardButton.addSelectionListener(this);
// error text
errorText = new StyledText(composite, SWT.FLAT);
errorText.setEditable(false);
errorText.setEnabled(false);
errorText.setText(""); //$NON-NLS-1$
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 3;
data.grabExcessHorizontalSpace = true;
errorText.setLayoutData(data);
PlatformUI.getWorkbench().getHelpSystem().setHelp(schemaLocationText,
XSDEditorCSHelpIds.GENERAL_TAB__IMPORT__SCHEMALOCATION);
PlatformUI.getWorkbench().getHelpSystem().setHelp(namespaceText,
XSDEditorCSHelpIds.GENERAL_TAB__IMPORT__NAMESPACE);
PlatformUI.getWorkbench().getHelpSystem().setHelp(prefixText,
XSDEditorCSHelpIds.GENERAL_TAB__IMPORT__PREFIX);
}
public void refresh()
{
setListenerEnabled(false);
errorText.setText("");
Element element = null;
if (input instanceof XSDImport)
{
element = ((XSDImport) input).getElement();
String namespace = element.getAttribute("namespace"); //$NON-NLS-1$
String schemaLocation = element.getAttribute("schemaLocation"); //$NON-NLS-1$
TypesHelper helper = new TypesHelper(xsdSchema);
String prefix = helper.getPrefix(element.getAttribute(XSDConstants.NAMESPACE_ATTRIBUTE), false);
if (namespace == null)
{
namespace = ""; //$NON-NLS-1$
}
if (prefix == null)
{
prefix = ""; //$NON-NLS-1$
}
if (schemaLocation == null)
{
schemaLocation = ""; //$NON-NLS-1$
}
namespaceText.setText(namespace);
prefixText.setText(prefix);
schemaLocationText.setText(schemaLocation);
oldPrefixValue = prefixText.getText();
}
setListenerEnabled(true);
}
public void widgetSelected(SelectionEvent event)
{
if (event.widget == wizardButton)
{
setListenerEnabled(false);
XSDDirectivesSchemaLocationUpdater.updateSchemaLocation(xsdSchema,input,false);
refresh();
setListenerEnabled(true);
prefixText.addListener(SWT.Modify, this);
}
}
public void doHandleEvent(Event event)
{
setErrorMessage(null);
super.doHandleEvent(event);
if (event.widget == prefixText)
{
String newPrefix = prefixText.getText();
if (oldPrefixValue.equals(newPrefix) || !isValidSchemaLocation)
return;
Map map = xsdSchema.getQNamePrefixToNamespaceMap();
String key = prefixText.getText();
if (key.length() == 0) key = null;
if (validatePrefix(newPrefix) && schemaLocationText.getText().trim().length() > 0)
{
if (map.containsKey(key))
{
setErrorMessage(XSDEditorPlugin.getXSDString("_ERROR_LABEL_PREFIX_EXISTS"));
}
else
{
Element schemaElement = xsdSchema.getElement();
if (key != null) {
if (oldPrefixValue.length() == 0)
schemaElement.removeAttribute("xmlns");
else
schemaElement.removeAttribute("xmlns:"+oldPrefixValue);
schemaElement.setAttribute("xmlns:" + newPrefix, namespaceText.getText());
}
else {
schemaElement.removeAttribute("xmlns:"+oldPrefixValue);
schemaElement.setAttribute("xmlns", namespaceText.getText());
}
xsdSchema.updateElement();
setErrorMessage(null);
oldPrefixValue = newPrefix;
}
}
else
{
setErrorMessage(XSDEditorPlugin.getXSDString("_ERROR_LABEL_INVALID_PREFIX"));
}
}
}
public void aboutToBeHidden()
{
setErrorMessage(null);
super.aboutToBeHidden();
}
protected boolean validatePrefix(String prefix)
{
if (prefix.length() == 0) return true;
return XMLChar.isValidNCName(prefix);
}
}