Java tutorial
/******************************************************************************* * Copyright (c) 2003, 2010 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: * QNX Software Systems - Initial API and implementation *******************************************************************************/ package org.eclipse.cdt.internal.autotools.ui.wizards; import java.util.ArrayList; import org.eclipse.cdt.core.model.CoreModel; import org.eclipse.cdt.ui.CUIPlugin; import org.eclipse.cdt.ui.dialogs.AbstractCOptionPage; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IProjectDescription; import org.eclipse.core.resources.IWorkspace; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.SubProgressMonitor; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.FontData; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.ide.IDE; import org.eclipse.ui.model.WorkbenchContentProvider; import org.eclipse.ui.model.WorkbenchLabelProvider; /** * @deprecated as of CDT 4.0. This Block was used for New Project Wizard * for 3.X style projects. * * @noextend This class is not intended to be subclassed by clients. */ @Deprecated public class ReferenceBlock extends AbstractCOptionPage { private static final String PREFIX = "ReferenceBlock"; // $NON-NLS-1$ //$NON-NLS-1$ private static final String LABEL = PREFIX + ".label"; // $NON-NLS-1$ //$NON-NLS-1$ private static final String DESC = PREFIX + ".desc"; // $NON-NLS-1$ //$NON-NLS-1$ private CheckboxTableViewer referenceProjectsViewer; private static final int PROJECT_LIST_MULTIPLIER = 10; public ReferenceBlock() { super(CUIPlugin.getResourceString(LABEL)); setDescription(CUIPlugin.getResourceString(DESC)); } @Override public Image getImage() { return PlatformUI.getWorkbench().getSharedImages().getImage(IDE.SharedImages.IMG_OBJ_PROJECT); } /** * Returns a content provider for the reference project * viewer. It will return all projects in the workspace. * * @return the content provider */ protected IStructuredContentProvider getContentProvider() { return new WorkbenchContentProvider() { @Override public Object[] getChildren(Object element) { if (!(element instanceof IWorkspace)) return new Object[0]; ArrayList<IProject> aList = new ArrayList<IProject>(15); final IProject[] projects = ((IWorkspace) element).getRoot().getProjects(); for (int i = 0; i < projects.length; i++) { if (CoreModel.hasCNature(projects[i])) { // Do not show the actual project being look at if ((getContainer().getProject() != null) && getContainer().getProject().equals(projects[i])) { continue; } aList.add(projects[i]); } } return aList.toArray(); } }; } protected void initializeValues() { if (getContainer().getProject() != null) { try { IProject[] referenced = getContainer().getProject().getReferencedProjects(); referenceProjectsViewer.setCheckedElements(referenced); } catch (CoreException e) { } } } /** * Returns the referenced projects selected by the user. * * @return the referenced projects */ public IProject[] getReferencedProjects() { Object[] elements = referenceProjectsViewer.getCheckedElements(); IProject[] projects = new IProject[elements.length]; System.arraycopy(elements, 0, projects, 0, elements.length); return projects; } @Override public void createControl(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); composite.setLayout(new GridLayout()); composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); Label label = new Label(composite, SWT.LEFT); label.setText(CUIPlugin.getResourceString(DESC)); GridData lbldata = new GridData(GridData.FILL_HORIZONTAL); lbldata.horizontalSpan = 1; label.setLayoutData(lbldata); referenceProjectsViewer = CheckboxTableViewer.newCheckList(composite, SWT.TOP | SWT.BORDER); GridData data = new GridData(GridData.FILL_BOTH); data.grabExcessHorizontalSpace = true; data.heightHint = getDefaultFontHeight(referenceProjectsViewer.getTable(), PROJECT_LIST_MULTIPLIER); //Only set a height hint if it will not result in a cut off dialog referenceProjectsViewer.getTable().setLayoutData(data); referenceProjectsViewer.setLabelProvider(new WorkbenchLabelProvider()); referenceProjectsViewer.setContentProvider(getContentProvider()); referenceProjectsViewer.setInput(ResourcesPlugin.getWorkspace()); initializeValues(); setControl(composite); } /** * Get the defualt widget height for the supplied control. * @return int * @param control - the control being queried about fonts * @param lines - the number of lines to be shown on the table. */ private static int getDefaultFontHeight(Control control, int lines) { FontData[] viewerFontData = control.getFont().getFontData(); int fontHeight = 10; //If we have no font data use our guess if (viewerFontData.length > 0) fontHeight = viewerFontData[0].getHeight(); return lines * fontHeight; } @Override public void performApply(IProgressMonitor monitor) throws CoreException { IProject[] refProjects = getReferencedProjects(); if (refProjects != null) { IProject project = getContainer().getProject(); if (monitor == null) { monitor = new NullProgressMonitor(); } monitor.beginTask(AutotoolsWizardMessages.getResourceString("ReferenceBlock_task_ReferenceProjects"), 1); try { IProjectDescription description = project.getDescription(); description.setReferencedProjects(refProjects); project.setDescription(description, new SubProgressMonitor(monitor, 1)); } catch (CoreException e) { } } } @Override public void performDefaults() { initializeValues(); } }