blob: 1c7df7ec9ac1432a1fe09a5a142ced235c0773eb [file] [log] [blame]
package org.eclipse.wst.xsd.ui.internal.common.properties.sections;
import java.util.Map;
import org.apache.xerces.util.XMLChar;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.WizardDialog;
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.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.common.ui.internal.viewers.ResourceFilter;
import org.eclipse.wst.common.uriresolver.internal.util.URIHelper;
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.wst.xsd.ui.internal.wizards.XSDSelectIncludeFileWizard;
import org.eclipse.xsd.XSDImport;
import org.eclipse.xsd.XSDSchema;
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);
Shell shell = Display.getCurrent().getActiveShell();
IFile currentIFile = ((IFileEditorInput) getActiveEditor().getEditorInput()).getFile();
ViewerFilter filter = new ResourceFilter(new String[] { ".xsd" }, //$NON-NLS-1$
new IFile[] { currentIFile }, null);
XSDSelectIncludeFileWizard fileSelectWizard = new XSDSelectIncludeFileWizard(xsdSchema, false, XSDEditorPlugin.getXSDString("_UI_FILEDIALOG_SELECT_XML_SCHEMA"), //$NON-NLS-1$
XSDEditorPlugin.getXSDString("_UI_FILEDIALOG_SELECT_XML_DESC"), //$NON-NLS-1$
filter, (IStructuredSelection) getSelection());
WizardDialog wizardDialog = new WizardDialog(shell, fileSelectWizard);
wizardDialog.create();
wizardDialog.setBlockOnOpen(true);
int result = wizardDialog.open();
String value = schemaLocationText.getText();
prefixText.removeListener(SWT.Modify, this);
if (result == Window.OK)
{
errorText.setText("");
IFile selectedIFile = fileSelectWizard.getResultFile();
String schemaFileString = value;
if (selectedIFile != null)
{
schemaFileString = URIHelper.getRelativeURI(selectedIFile.getLocation(), currentIFile.getLocation());
}
else
{
schemaFileString = fileSelectWizard.getURL();
}
String namespace = fileSelectWizard.getNamespace();
if (namespace == null)
namespace = "";
XSDSchema externalSchema = fileSelectWizard.getExternalSchema();
handleSchemaLocationChange(schemaFileString, namespace, externalSchema);
}
setListenerEnabled(true);
prefixText.addListener(SWT.Modify, this);
}
}
protected void handleSchemaLocationChange(String schemaFileString, String namespace, XSDSchema externalSchema)
{
if (input instanceof XSDImport)
{
XSDImport xsdImport = (XSDImport) input;
xsdImport.setNamespace(namespace);
xsdImport.setSchemaLocation(schemaFileString);
xsdImport.setResolvedSchema(externalSchema);
java.util.Map map = xsdSchema.getQNamePrefixToNamespaceMap();
// Referential integrity on old import
// How can we be sure that if the newlocation is the same as the
// oldlocation
// the file hasn't changed
// XSDSchema referencedSchema = xsdImport.getResolvedSchema();
// if (referencedSchema != null)
// {
// XSDExternalFileCleanup cleanHelper = new
// XSDExternalFileCleanup(referencedSchema);
// cleanHelper.visitSchema(xsdSchema);
// }
Element schemaElement = xsdSchema.getElement();
// update the xmlns in the schema element first, and then update the
// import element next
// so that the last change will be in the import element. This keeps the
// selection
// on the import element
TypesHelper helper = new TypesHelper(externalSchema);
String prefix = helper.getPrefix(namespace, false);
if (map.containsKey(prefix))
{
prefix = null;
}
if (prefix == null || (prefix != null && prefix.length() == 0))
{
StringBuffer newPrefix = new StringBuffer("pref"); //$NON-NLS-1$
int prefixExtension = 1;
while (map.containsKey(newPrefix.toString()) && prefixExtension < 100)
{
newPrefix = new StringBuffer("pref" + String.valueOf(prefixExtension));
prefixExtension++;
}
prefix = newPrefix.toString();
}
if (namespace.length() > 0)
{
// if ns already in map, use its corresponding prefix
if (map.containsValue(namespace))
{
TypesHelper typesHelper = new TypesHelper(xsdSchema);
prefix = typesHelper.getPrefix(namespace, false);
}
else
// otherwise add to the map
{
schemaElement.setAttribute("xmlns:" + prefix, namespace);
}
prefixText.setText(prefix);
}
else
{
prefixText.setText("");
namespaceText.setText("");
}
}
refresh();
}
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);
}
}