Java tutorial
/******************************************************************************* * Copyright (c) 2010 Red Hat, Inc. * Distributed under license by Red Hat, Inc. All rights reserved. * This program is 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: * Red Hat, Inc. - initial API and implementation ******************************************************************************/ package org.jboss.tools.cdi.ui.wizard; import java.lang.reflect.InvocationTargetException; import java.util.List; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.jdt.core.IBuffer; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.ISourceRange; import org.eclipse.jdt.core.IType; import org.eclipse.jdt.internal.corext.codemanipulation.StubUtility; import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; import org.eclipse.jdt.ui.wizards.NewAnnotationWizardPage; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.swt.SWT; 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.ui.PlatformUI; import org.jboss.tools.cdi.core.CDIConstants; import org.jboss.tools.cdi.core.CDICoreMessages; import org.jboss.tools.cdi.core.CDICoreNature; import org.jboss.tools.cdi.core.CDICorePlugin; import org.jboss.tools.cdi.core.CDIImages; import org.jboss.tools.cdi.core.ICDIProject; import org.jboss.tools.cdi.ui.CDIUIMessages; import org.jboss.tools.common.ui.widget.editor.CheckBoxFieldEditor; import org.jboss.tools.common.ui.widget.editor.CompositeEditor; import org.jboss.tools.common.ui.widget.editor.IFieldEditor; import org.jboss.tools.common.ui.widget.editor.IFieldEditorFactory; import org.jboss.tools.common.ui.widget.editor.ITaggedFieldEditor; import org.jboss.tools.common.ui.widget.editor.LabelFieldEditor; /** * * @author Viacheslav Kabanovich * */ public abstract class NewCDIAnnotationWizardPage extends NewAnnotationWizardPage { protected CheckBoxEditorWrapper inherited = null; protected IFieldEditor target = null; public NewCDIAnnotationWizardPage() { setImageDescriptor(CDIImages.getImageDescriptor(CDIImages.CDI_ANNOTATION_IMAGE)); } protected void createTypeMembers(IType newType, final ImportsManager imports, IProgressMonitor monitor) throws CoreException { ISourceRange range = newType.getSourceRange(); IBuffer buf = newType.getCompilationUnit().getBuffer(); String lineDelimiter = StubUtility.getLineDelimiterUsed(newType.getJavaProject()); StringBuffer sb = new StringBuffer(); addAnnotations(imports, sb, lineDelimiter); buf.replace(range.getOffset(), 0, sb.toString()); } protected abstract void addAnnotations(ImportsManager imports, StringBuffer sb, String lineDelimiter); protected void addTargetAnnotation(ImportsManager imports, StringBuffer sb, String lineDelimiter, String[] targets) { imports.addImport("java.lang.annotation.Target"); StringBuffer list = new StringBuffer(); for (int i = 0; i < targets.length; i++) { imports.addImport("static java.lang.annotation.ElementType." + targets[i]); if (i > 0) list.append(", "); list.append(targets[i]); } sb.append("@Target( {" + list.toString() + "} )").append(lineDelimiter); } static void addAnnotation(String typeName, ImportsManager imports, StringBuffer sb, String lineDelimiter) { int i = typeName.lastIndexOf('.'); String name = typeName.substring(i + 1); imports.addImport(typeName); sb.append("@").append(name).append(lineDelimiter); } protected void addInheritedAnnotation(ImportsManager imports, StringBuffer sb, String lineDelimiter) { if (inherited != null && inherited.composite.getValue() == Boolean.TRUE) { addAnnotation(CDIConstants.INHERITED_ANNOTATION_TYPE_NAME, imports, sb, lineDelimiter); } } protected void addRetentionAnnotation(ImportsManager imports, StringBuffer sb, String lineDelimiter) { imports.addImport(CDIConstants.RETENTION_ANNOTATION_TYPE_NAME); imports.addImport("static java.lang.annotation.RetentionPolicy.RUNTIME"); sb.append("@Retention(RUNTIME)").append(lineDelimiter); } protected void addDocumentedAnnotation(ImportsManager imports, StringBuffer sb, String lineDelimiter) { addAnnotation("java.lang.annotation.Documented", imports, sb, lineDelimiter); } public void createControl(Composite parent) { initializeDialogUnits(parent); Composite composite = new Composite(parent, SWT.NONE); int nColumns = 4; GridLayout layout = new GridLayout(); layout.numColumns = nColumns; composite.setLayout(layout); createContainerControls(composite, nColumns); createPackageControls(composite, nColumns); // createEnclosingTypeControls(composite, nColumns); createSeparator(composite, nColumns); createTypeNameControls(composite, nColumns); // createModifierControls(composite, nColumns); createCustomFields(composite); createCommentControls(composite, nColumns); enableCommentControl(true); setControl(composite); Dialog.applyDialogFont(composite); PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IJavaHelpContextIds.NEW_ANNOTATION_WIZARD_PAGE); } protected abstract void createCustomFields(Composite composite); protected static class CheckBoxEditorWrapper { protected IFieldEditor composite = null; protected CheckBoxFieldEditor checkBox = null; } protected CheckBoxEditorWrapper createCheckBoxField(Composite composite, String name, String label, boolean defaultValue) { CheckBoxEditorWrapper wrapper = new CheckBoxEditorWrapper(); wrapper.checkBox = new CheckBoxFieldEditor(name, label, Boolean.valueOf(defaultValue)); CompositeEditor editor = new CompositeEditor(name, label, defaultValue); editor.addFieldEditors(new IFieldEditor[] { new LabelFieldEditor(name, ""), wrapper.checkBox }); wrapper.composite = editor; wrapper.composite.doFillIntoGrid(composite); ((Button) wrapper.checkBox.getCheckBoxControl()).setText(label); return wrapper; } protected void createInheritedField(Composite composite, boolean defaultValue) { String label = "Add @Inherited"; inherited = createCheckBoxField(composite, "isInherited", label, defaultValue); } protected void createTargetField(Composite composite, List<String> values) { target = createComboField("Target", CDIUIMessages.FIELD_EDITOR_TARGET_LABEL, composite, values); } protected ITaggedFieldEditor createComboField(String name, String label, Composite composite, List<String> values) { ITaggedFieldEditor result = IFieldEditorFactory.INSTANCE.createComboEditor(name, label, values, values.get(0)); ((CompositeEditor) result).addFieldEditors(new IFieldEditor[] { new LabelFieldEditor(name, "") }); result.doFillIntoGrid(composite); Combo combo = (Combo) result.getEditorControls()[1]; Object layoutData = combo.getLayoutData(); if (layoutData instanceof GridData) { ((GridData) layoutData).horizontalAlignment = GridData.FILL; } return result; } protected String[] getTargets() { if (target == null) { return new String[] { "TYPE", "METHOD", "PARAMETER", "FIELD" }; } String value = (String) target.getValue(); String[] vs = value.split(","); for (int i = 0; i < vs.length; i++) vs[i] = vs[i].trim(); return vs; } public void setInherited(boolean b) { if (inherited != null) { inherited.composite.setValue(b); } } public void setTarget(String s) { if (target != null) { ((CompositeEditor) target).setValue(s); } } static ICDIProject getCDIProject(IJavaProject jp) { CDICoreNature n = getCDINatureWithProgress(jp.getProject()); return n == null ? null : n.getDelegate(); } public static CDICoreNature getCDINatureWithProgress(final IProject project) { final CDICoreNature cdiNature = CDICorePlugin.getCDI(project, false); if (cdiNature != null && !cdiNature.isStorageResolved()) { try { PlatformUI.getWorkbench().getProgressService().run(false, false, new IRunnableWithProgress() { public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { monitor.beginTask(CDICoreMessages.CDI_UTIL_BUILD_CDI_MODEL, 10); monitor.worked(3); cdiNature.resolve(); monitor.worked(7); } }); } catch (InterruptedException ie) { CDICorePlugin.getDefault().logError(ie); } catch (InvocationTargetException ite) { CDICorePlugin.getDefault().logError(ite); } } return cdiNature; } }