Skip to content

Commit

Permalink
First version of RDF model configuration dialog
Browse files Browse the repository at this point in the history
  • Loading branch information
@agarciadom
agarciadom committed Oct 14, 2024
1 parent 2e35984 commit f3e22b8
Showing 1 changed file with 350 additions and 12 deletions.
362 changes: 350 additions & 12 deletions ...se.epsilon.emc.rdf.dt/src/org/eclipse/epsilon/emc/rdf/dt/RDFModelConfigurationDialog.java
View file
Original file line number Diff line number Diff line change
@@ -1,9 +1,151 @@
package org.eclipse.epsilon.emc.rdf.dt;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;

import org.eclipse.epsilon.common.dt.launching.dialogs.AbstractModelConfigurationDialog;
import org.eclipse.epsilon.common.dt.util.DialogUtil;
import org.eclipse.epsilon.emc.rdf.RDFModel;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.EditingSupport;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.jface.viewers.TextCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;

public class RDFModelConfigurationDialog extends AbstractModelConfigurationDialog {

private static final String SAMPLE_URL = "http://changeme";

protected class PrefixEditingSupport extends EditingSupport {
private final TableViewer viewer;
private final TextCellEditor editor;

public PrefixEditingSupport(TableViewer viewer) {
super(viewer);
this.viewer = viewer;
this.editor = new TextCellEditor(viewer.getTable());
}

@Override
protected CellEditor getCellEditor(Object element) {
return editor;
}

@Override
protected boolean canEdit(Object element) {
return element instanceof NamespaceMappingTableEntry;
}

@Override
protected Object getValue(Object element) {
return ((NamespaceMappingTableEntry) element).prefix;
}

@Override
protected void setValue(Object element, Object value) {
((NamespaceMappingTableEntry)element).prefix = String.valueOf(value);
viewer.update(element, null);
validateURLs();
}
}

protected class NamespaceURLEditingSupport extends EditingSupport {
private final TableViewer viewer;
private final TextCellEditor editor;

public NamespaceURLEditingSupport(TableViewer viewer) {
super(viewer);
this.viewer = viewer;
this.editor = new TextCellEditor(viewer.getTable());
}

@Override
protected CellEditor getCellEditor(Object element) {
return editor;
}

@Override
protected boolean canEdit(Object element) {
return element instanceof NamespaceMappingTableEntry;
}

@Override
protected Object getValue(Object element) {
return ((NamespaceMappingTableEntry) element).url;
}

@Override
protected void setValue(Object element, Object value) {
((NamespaceMappingTableEntry)element).url = String.valueOf(value);
viewer.update(element, null);
validateURLs();
}
}

protected class URLEntryEditingSupport extends EditingSupport {
private final TableViewer viewer;
private final TextCellEditor editor;

public URLEntryEditingSupport(TableViewer viewer) {
super(viewer);
this.viewer = viewer;
this.editor = new TextCellEditor(viewer.getTable());
}

@Override
protected CellEditor getCellEditor(Object element) {
return editor;
}

@Override
protected boolean canEdit(Object element) {
return element instanceof URLTableEntry;
}

@Override
protected Object getValue(Object element) {
return ((URLTableEntry) element).url;
}

@Override
protected void setValue(Object element, Object value) {
((URLTableEntry)element).url = String.valueOf(value);
viewer.update(element, null);
validateURLs();
}
}

protected class NamespaceMappingTableEntry {
public String prefix, url;
}

protected class URLTableEntry {
public URLTableEntry(String url) {
this.url = url;
}

public String url;
}

private TableViewer urlList;
private List<URLTableEntry> urls = new ArrayList<>();

private TableViewer nsMappingTable;
private List<NamespaceMappingTableEntry> nsMappingEntries = new ArrayList<>();

@Override
protected String getModelName() {
return "RDF Model";
Expand All @@ -17,38 +159,234 @@ protected String getModelType() {
@Override
protected void createGroups(Composite control) {
createNameAliasGroup(control);
createRDFUrisGroup(control);
createRDFPrefixesGroup(control);
createRDFUrlsGroup(control);
createNamespaceMappingGroup(control);
}

private void createRDFPrefixesGroup(Composite control) {
// TODO Auto-generated method stub
private Composite createNamespaceMappingGroup(Composite parent) {
final Composite groupContent = DialogUtil.createGroupContainer(parent, "Custom prefixes", 2);

nsMappingTable = new TableViewer(groupContent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI);

TableViewerColumn prefixColumn = new TableViewerColumn(nsMappingTable, SWT.NONE);
prefixColumn.getColumn().setText("Prefix");
prefixColumn.getColumn().setWidth(150);
prefixColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
return ((NamespaceMappingTableEntry) element).prefix;
}
});
prefixColumn.setEditingSupport(new PrefixEditingSupport(nsMappingTable));

TableViewerColumn urlColumn = new TableViewerColumn(nsMappingTable, SWT.NONE);
urlColumn.getColumn().setText("URL");
urlColumn.getColumn().setWidth(400);
urlColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
return ((NamespaceMappingTableEntry) element).url;
}
});
urlColumn.setEditingSupport(new NamespaceURLEditingSupport(nsMappingTable));

nsMappingTable.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
nsMappingTable.getTable().setHeaderVisible(true);
nsMappingTable.getTable().setLinesVisible(true);

nsMappingTable.setContentProvider(ArrayContentProvider.getInstance());
nsMappingTable.setInput(nsMappingEntries);

final Composite prefixesButtons = new Composite(groupContent, SWT.NONE);
final GridData prefixesButtonsLayout = new GridData();
prefixesButtonsLayout.horizontalAlignment = SWT.FILL;
prefixesButtons.setLayoutData(prefixesButtonsLayout);
prefixesButtons.setLayout(new FillLayout(SWT.VERTICAL));

final Button addPrefixButton = new Button(prefixesButtons , SWT.NONE);
addPrefixButton.setText("Add");
addPrefixButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
NamespaceMappingTableEntry entry = new NamespaceMappingTableEntry();
entry.prefix = "prefix";
entry.url = SAMPLE_URL;
nsMappingEntries.add(entry);
nsMappingTable.refresh();
}
});

final Button removePrefixButton = new Button(prefixesButtons, SWT.NONE);
removePrefixButton.setText("Remove");
removePrefixButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (nsMappingTable.getSelection() instanceof IStructuredSelection) {
final IStructuredSelection sel = (IStructuredSelection)nsMappingTable.getSelection();
for (Iterator<?> it = sel.iterator(); it.hasNext(); ) {
nsMappingEntries.remove(it.next());
}
nsMappingTable.refresh();
}
}
});

final Button clearPrefixesButton = new Button(prefixesButtons, SWT.NONE);
clearPrefixesButton.setText("Clear");
clearPrefixesButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
nsMappingEntries.clear();
nsMappingTable.refresh();
}
});

groupContent.layout();
groupContent.pack();
return groupContent;
}

private void createRDFUrisGroup(Composite control) {
// TODO Auto-generated method stub
private Composite createRDFUrlsGroup(Composite parent) {
final Composite groupContent = DialogUtil.createGroupContainer(parent, "URLs to load", 2);

urlList = new TableViewer(groupContent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI);

TableViewerColumn urlColumn = new TableViewerColumn(urlList, SWT.NONE);
urlColumn.getColumn().setWidth(600);
urlColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
return ((URLTableEntry) element).url;
}
});
urlColumn.setEditingSupport(new URLEntryEditingSupport(urlList));

urlList.setContentProvider(ArrayContentProvider.getInstance());
urlList.setInput(urls);

GridData urlListLayout = new GridData(SWT.FILL, SWT.FILL, true, true);
urlList.getControl().setLayoutData(urlListLayout);

final Composite urlButtons = new Composite(groupContent, SWT.NONE);
final GridData urlButtonsLayout = new GridData();
urlButtonsLayout.horizontalAlignment = SWT.FILL;
urlButtons.setLayoutData(urlButtonsLayout);
urlButtons.setLayout(new FillLayout(SWT.VERTICAL));

final Button addUrlButton = new Button(urlButtons, SWT.NONE);
addUrlButton.setText("Add");
addUrlButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
urls.add(new URLTableEntry(SAMPLE_URL));
urlList.refresh();
}
});

final Button removeUrlButton = new Button(urlButtons, SWT.NONE);
removeUrlButton.setText("Remove");
removeUrlButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (urlList.getSelection() instanceof IStructuredSelection) {
final IStructuredSelection sel = (IStructuredSelection)urlList.getSelection();
for (Iterator<?> it = sel.iterator(); it.hasNext(); ) {
urls.remove(it.next());
}
urlList.refresh();
}
}
});

final Button clearUrlButton = new Button(urlButtons, SWT.NONE);
clearUrlButton.setText("Clear");
clearUrlButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
urls.clear();
urlList.refresh();
}
});

groupContent.layout();
groupContent.pack();
return groupContent;
}

@Override
protected void loadProperties(){
super.loadProperties();

if (properties != null) {;
// TODO populate URIs
if (properties == null) return;

// TODO populate prefixes
urls.clear();
for (String url : properties.getProperty(RDFModel.PROPERTY_URIS).split("\\s*,\\s*")) {
if (url.length() > 0) {
urls.add(new URLTableEntry(url));
}
}

nsMappingEntries.clear();
for (String entry : properties.getProperty(RDFModel.PROPERTY_PREFIXES).split("\\s*,\\s*")) {
if (entry.length() > 0) {
final int idxEquals = entry.indexOf('=');
if (idxEquals != -1) {
NamespaceMappingTableEntry nsEntry = new NamespaceMappingTableEntry();
nsEntry.prefix = entry.substring(0, idxEquals);
nsEntry.url = entry.substring(idxEquals + 1);
nsMappingEntries.add(nsEntry);
}
}
}

this.urlList.refresh();
this.nsMappingTable.refresh();
validateURLs();
}

@Override
protected void storeProperties(){
super.storeProperties();

// TODO populate URIs
properties.put(RDFModel.PROPERTY_URIS,
String.join(",", urls.stream()
.map(e -> e.url)
.collect(Collectors.toList())));

// TODO populate prefixes
properties.put(RDFModel.PROPERTY_PREFIXES,
String.join(",", nsMappingEntries.stream()
.map(e -> e.prefix + "=" + e.url)
.collect(Collectors.toList())));
}

protected void validateURLs() {
for (URLTableEntry entry : this.urls) {
String errorMessage = validateURL(entry.url);
if (errorMessage != null) {
setErrorMessage(errorMessage);
return;
}
}

for (NamespaceMappingTableEntry entry : this.nsMappingEntries) {
String errorMessage = validateURL(entry.url);
if (errorMessage != null) {
setErrorMessage(errorMessage);
return;
}
}

setErrorMessage(null);
}

private static String validateURL(String text) {
if (text.length() == 0) {
return "Empty strings are not valid URLs";
}
try {
new URL(text);
return null;
} catch (MalformedURLException ex) {
return "Not a valid URL: " + text;
}
}
}

0 comments on commit f3e22b8

Please sign in to comment.