Java tutorial
/******************************************************************************* * Copyright (c) 2013 The PDT Extension Group (https://github.com/pdt-eg) * 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 ******************************************************************************/ package org.pdtextensions.semanticanalysis.ui.preferences.validation; import java.util.ArrayList; import java.util.List; import javax.inject.Inject; import org.eclipse.core.resources.IProject; import org.eclipse.dltk.compiler.problem.ProblemSeverity; import org.eclipse.e4.core.contexts.ContextInjectionFactory; import org.eclipse.jface.layout.PixelConverter; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.php.internal.ui.preferences.IStatusChangeListener; import org.eclipse.php.internal.ui.preferences.util.Key; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.ui.forms.events.ExpansionAdapter; import org.eclipse.ui.forms.events.ExpansionEvent; import org.eclipse.ui.forms.widgets.ExpandableComposite; import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer; import org.pdtextensions.core.ui.preferences.AbstractOptionsConfigurationBlock; import org.pdtextensions.semanticanalysis.PEXAnalysisPlugin; import org.pdtextensions.semanticanalysis.PreferenceConstants; import org.pdtextensions.semanticanalysis.model.validators.Category; import org.pdtextensions.semanticanalysis.model.validators.Type; import org.pdtextensions.semanticanalysis.model.validators.Validator; import org.pdtextensions.semanticanalysis.validation.IValidatorManager; @SuppressWarnings("restriction") public class SemanticAnalysisConfigurationBlock extends AbstractOptionsConfigurationBlock { @Inject private IValidatorManager manager; private Composite fieldEditorParent; private Combo[] fields; private Button analysisEnabled; private PixelConverter pixelConverter; public SemanticAnalysisConfigurationBlock(IStatusChangeListener context, IProject project, IWorkbenchPreferenceContainer container) { super(context, project, getKeys(), container); } private static Key[] getKeys() { Validator[] validators = PEXAnalysisPlugin.getDefault().getValidatorManager().getValidators(); List<Key> res = new ArrayList<Key>(); res.add(getKey(PEXAnalysisPlugin.VALIDATORS_PREFERENCES_NODE_ID, PreferenceConstants.ENABLED)); for (Validator v : validators) { for (Type t : v.getTypes()) { res.add(getKey(PEXAnalysisPlugin.VALIDATORS_PREFERENCES_NODE_ID + "/" + v.getId(), t.getId())); } } return res.toArray(new Key[res.size()]); } @Override public Control createBlockContents(Composite parent) { if (pixelConverter == null) { pixelConverter = new PixelConverter(parent); ContextInjectionFactory.inject(this, PEXAnalysisPlugin.getEclipseContext()); } Composite content = new Composite(parent, SWT.NONE); content.setLayout(new FillLayout(SWT.VERTICAL)); createFields(content); updateFieldVisibility(); return content; } protected String[] getSeverityLabels() { return new String[] { "Error", "Warning", "Info", "Ignore" }; } protected String[] getSeverityValues() { return new String[] { ProblemSeverity.ERROR.toString(), ProblemSeverity.WARNING.toString(), ProblemSeverity.INFO.toString(), ProblemSeverity.IGNORE.toString() }; } private Composite createFields(Composite parent) { Composite fieldEditorParentWrap = new Composite(parent, SWT.NULL); GridLayout wrapLayout = new GridLayout(); wrapLayout.marginHeight = 0; wrapLayout.marginWidth = 0; fieldEditorParentWrap.setLayout(wrapLayout); fieldEditorParentWrap.setFont(parent.getFont()); fieldEditorParent = new Composite(fieldEditorParentWrap, SWT.NULL); fieldEditorParent.setLayout(new GridLayout()); fieldEditorParent.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); fieldEditorParent.setFont(parent.getFont()); analysisEnabled = addCheckBox(fieldEditorParent, "Enable semantic analysis", fAllKeys[0], new String[] { "true", "false" }, 0); //$NON-NLS-1$ $NON-NLS-3$ analysisEnabled.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { updateFieldVisibility(); } @Override public void widgetDefaultSelected(SelectionEvent e) { updateFieldVisibility(); } }); final Label horizontalLine = new Label(fieldEditorParent, SWT.SEPARATOR | SWT.HORIZONTAL); horizontalLine.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); horizontalLine.setFont(fieldEditorParent.getFont()); fields = new Combo[fAllKeys.length - 1]; int i = 0; for (Category category : manager.getCategories()) { ExpandableComposite group = createGroup(1, fieldEditorParent, category.getLabel()); Composite inner = new Composite(group, SWT.NONE); inner.setFont(parent.getFont()); inner.setLayout(new GridLayout(3, false)); inner.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); group.setClient(inner); for (Validator v : category.getValidators()) { for (Type t : v.getTypes()) { Combo combo = fields[i] = addComboBox(inner, t.getLabel(), new Key(PEXAnalysisPlugin.VALIDATORS_PREFERENCES_NODE_ID + "/" + v.getId(), t.getId()), getSeverityValues(), getSeverityLabels()); Label object = (Label) fLabels.get(combo); object.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false, 2, 1)); i++; } } } return fieldEditorParentWrap; } protected ExpandableComposite createGroup(int numColumns, Composite parent, String label) { ExpandableComposite excomposite = new ExpandableComposite(parent, SWT.NONE, ExpandableComposite.TWISTIE | ExpandableComposite.CLIENT_INDENT); excomposite.setText(label); excomposite.setFont(JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT)); excomposite.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false, 3, 1)); excomposite.setExpanded(true); excomposite.addExpansionListener(new ExpansionAdapter() { public void expansionStateChanged(ExpansionEvent e) { expandedStateChanged((ExpandableComposite) e.getSource()); } }); return excomposite; } protected void updateFieldVisibility() { for (int i = 0; i < fields.length; i++) { if (fields[i] != null) { fields[i].setEnabled(analysisEnabled.getSelection()); } } } }