Java tutorial
/******************************************************************************* * Copyright (c) 2007, 2011 Intel 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: * Intel Corporation - initial API and implementation * James Blackbrun (Broadcom Corp.) *******************************************************************************/ package org.eclipse.cdt.managedbuilder.ui.wizards; import java.util.ArrayList; import java.util.Arrays; import org.eclipse.cdt.internal.ui.wizards.ICDTCommonProjectWizard; import org.eclipse.cdt.managedbuilder.core.IProjectType; import org.eclipse.cdt.managedbuilder.core.IToolChain; import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager; import org.eclipse.cdt.managedbuilder.internal.ui.Messages; import org.eclipse.cdt.managedbuilder.ui.properties.ManagedBuilderUIImages; import org.eclipse.cdt.ui.newui.CDTPrefUtil; import org.eclipse.core.resources.IProject; import org.eclipse.jface.viewers.CheckStateChangedEvent; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.window.Window; import org.eclipse.jface.wizard.IWizardPage; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; 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.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableItem; import org.eclipse.ui.dialogs.PreferencesUtil; /** * "Select Configurations" page of C/C++ New Project Wizard * * @noextend This class is not intended to be subclassed by clients. * @noinstantiate This class is not intended to be instantiated by clients. */ public class CDTConfigWizardPage extends WizardPage { public static final String PAGE_ID = "org.eclipse.cdt.managedbuilder.ui.wizard.CConfigWizardPage"; //$NON-NLS-1$ private static final Image IMG_CONFIG = ManagedBuilderUIImages.get(ManagedBuilderUIImages.IMG_BUILD_CONFIG); private static final String TITLE = Messages.CConfigWizardPage_0; private static final String MESSAGE = Messages.CConfigWizardPage_1; private static final String COMMENT = Messages.CConfigWizardPage_12; private static final String EMPTY_STR = ""; //$NON-NLS-1$ private Table table; private CheckboxTableViewer tv; private Label l_projtype; private Label l_chains; private Composite parent; private String propertyId; private String errorMessage = null; private String message = MESSAGE; public boolean isVisible = false; private MBSWizardHandler handler; public boolean pagesLoaded = false; private IToolChain[] visitedTCs = null; IWizardPage[] customPages = null; public CDTConfigWizardPage(MBSWizardHandler h) { super(Messages.CDTConfigWizardPage_0); setPageComplete(false); handler = h; setWizard(h.getWizard()); } public CfgHolder[] getCfgItems(boolean getDefault) { CfgHolder[] its; if (getDefault || table == null || !isVisited()) its = getDefaultCfgs(handler); else { ArrayList<CfgHolder> out = new ArrayList<CfgHolder>(table.getItemCount()); for (TableItem ti : table.getItems()) { if (ti.getChecked()) out.add((CfgHolder) ti.getData()); } its = out.toArray(new CfgHolder[out.size()]); } return its; } @Override public void createControl(Composite p) { parent = new Composite(p, SWT.NONE); parent.setFont(parent.getFont()); parent.setLayout(new GridLayout()); parent.setLayoutData(new GridData(GridData.FILL_BOTH)); Composite c1 = new Composite(parent, SWT.NONE); c1.setLayout(new GridLayout(2, false)); c1.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); setupLabel(c1, Messages.CConfigWizardPage_4, GridData.BEGINNING); l_projtype = setupLabel(c1, EMPTY_STR, GridData.FILL_HORIZONTAL); setupLabel(c1, Messages.CConfigWizardPage_5, GridData.BEGINNING); l_chains = setupLabel(c1, EMPTY_STR, GridData.FILL_HORIZONTAL); setupLabel(c1, Messages.CConfigWizardPage_6, GridData.BEGINNING); setupLabel(c1, EMPTY_STR, GridData.BEGINNING); Composite c2 = new Composite(parent, SWT.NONE); c2.setLayout(new GridLayout(2, false)); c2.setLayoutData(new GridData(GridData.FILL_BOTH)); table = new Table(c2, SWT.BORDER | SWT.CHECK | SWT.V_SCROLL); GridData gd = new GridData(GridData.FILL_BOTH); table.setLayoutData(gd); tv = new CheckboxTableViewer(table); tv.setContentProvider(new IStructuredContentProvider() { @Override public Object[] getElements(Object inputElement) { return (Object[]) inputElement; } @Override public void dispose() { } @Override public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); tv.setLabelProvider(new LabelProvider() { @Override public String getText(Object element) { return element == null ? EMPTY_STR : ((CfgHolder) element).getName(); } @Override public Image getImage(Object element) { return IMG_CONFIG; } }); tv.addCheckStateListener(new ICheckStateListener() { @Override public void checkStateChanged(CheckStateChangedEvent event) { setPageComplete(isCustomPageComplete()); update(); } }); Composite c = new Composite(c2, SWT.NONE); c.setLayoutData(new GridData(GridData.FILL_VERTICAL)); c.setLayout(new GridLayout()); Button b1 = new Button(c, SWT.PUSH); b1.setText(Messages.CConfigWizardPage_7); b1.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); b1.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { tv.setAllChecked(true); setPageComplete(isCustomPageComplete()); update(); } }); Button b2 = new Button(c, SWT.PUSH); b2.setText(Messages.CConfigWizardPage_8); b2.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); b2.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { tv.setAllChecked(false); setPageComplete(isCustomPageComplete()); update(); } }); // dummy placeholder new Label(c, 0).setLayoutData(new GridData(GridData.FILL_BOTH)); Button b3 = new Button(c, SWT.PUSH); b3.setText(Messages.CConfigWizardPage_13); b3.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); b3.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { advancedDialog(); } }); Group gr = new Group(parent, SWT.NONE); gd = new GridData(GridData.FILL_HORIZONTAL); gd.horizontalSpan = 2; gr.setLayoutData(gd); gr.setLayout(new FillLayout()); Label lb = new Label(gr, SWT.NONE); lb.setText(COMMENT); setControl(parent); } static public CfgHolder[] getDefaultCfgs(MBSWizardHandler handler) { String id = handler.getPropertyId(); IProjectType pt = handler.getProjectType(); ArrayList<CfgHolder> out = new ArrayList<CfgHolder>(); for (IToolChain tc : handler.getSelectedToolChains()) { CfgHolder[] cfgs = null; if (id != null) cfgs = CfgHolder.cfgs2items( ManagedBuildManager.getExtensionConfigurations(tc, MBSWizardHandler.ARTIFACT, id)); else if (pt != null) cfgs = CfgHolder.cfgs2items(ManagedBuildManager.getExtensionConfigurations(tc, pt)); else { // Create default configuration for StdProject cfgs = new CfgHolder[1]; cfgs[0] = new CfgHolder(tc, null); } if (cfgs == null) return null; for (int j = 0; j < cfgs.length; j++) { if (cfgs[j].isSystem() || (handler.supportedOnly() && !cfgs[j].isSupported()) // Bug 335338 don't include project type configurations if we're not creating a project-typed project // Project types are non-default if their nameAttribute != "" (see: ManagedBuildWizard: "old style project types") || (pt == null && cfgs[j].getConfiguration() != null && cfgs[j].getConfiguration().getProjectType() != null && cfgs[j].getConfiguration().getProjectType().getNameAttribute().length() > 0)) continue; out.add(cfgs[j]); } } return out.toArray(new CfgHolder[out.size()]); } /** * Checks whether we've already worked with * given set of selected toolchains * * @return true if toolchain(s) is the same as before */ private boolean isVisited() { if (table == null || handler == null) return false; return Arrays.equals(handler.getSelectedToolChains(), visitedTCs); } /** * Returns whether this page's controls currently all contain valid * values. * * @return <code>true</code> if all controls are valid, and * <code>false</code> if at least one is invalid */ public boolean isCustomPageComplete() { if (!isVisited()) return true; if (table.getItemCount() == 0) { errorMessage = Messages.CConfigWizardPage_10; message = errorMessage; return false; } if (tv.getCheckedElements().length == 0) { errorMessage = Messages.CConfigWizardPage_11; message = errorMessage; return false; } errorMessage = null; message = MESSAGE; return true; } @Override public void setVisible(boolean visible) { parent.setVisible(visible); isVisible = visible; if (visible && handler != null && !isVisited()) { tv.setInput(CfgHolder.unique(getDefaultCfgs(handler))); tv.setAllChecked(true); String s = EMPTY_STR; visitedTCs = handler.getSelectedToolChains(); for (int i = 0; i < visitedTCs.length; i++) { s = s + ((visitedTCs[i] == null) ? "" : //$NON-NLS-1$ visitedTCs[i].getUniqueRealName()); if (i < visitedTCs.length - 1) s = s + "\n"; //$NON-NLS-1$ } l_chains.setText(s); l_projtype.setText(handler.getName()); setPageComplete(isCustomPageComplete()); l_chains.getParent().pack(); } if (visible) { parent.getParent().layout(true, true); update(); } } private Label setupLabel(Composite c, String name, int mode) { Label l = new Label(c, SWT.WRAP); l.setText(name); GridData gd = new GridData(mode); gd.verticalAlignment = SWT.TOP; l.setLayoutData(gd); Composite p = l.getParent(); l.setFont(p.getFont()); return l; } @Override public String getName() { return TITLE; } @Override public Control getControl() { return parent; } @Override public String getErrorMessage() { return errorMessage; } @Override public String getMessage() { return message; } @Override public String getTitle() { return TITLE; } protected void update() { getWizard().getContainer().updateButtons(); getWizard().getContainer().updateMessage(); getWizard().getContainer().updateTitleBar(); } /** * Edit properties */ private void advancedDialog() { if (getWizard() instanceof ICDTCommonProjectWizard) { ICDTCommonProjectWizard nmWizard = (ICDTCommonProjectWizard) getWizard(); IProject newProject = nmWizard.getProject(true, false); if (newProject != null) { boolean oldManage = CDTPrefUtil.getBool(CDTPrefUtil.KEY_NOMNG); // disable manage configurations button CDTPrefUtil.setBool(CDTPrefUtil.KEY_NOMNG, true); try { int res = PreferencesUtil.createPropertyDialogOn(getWizard().getContainer().getShell(), newProject, propertyId, null, null).open(); if (res != Window.OK) { // if user presses cancel, remove the project. nmWizard.performCancel(); } } finally { CDTPrefUtil.setBool(CDTPrefUtil.KEY_NOMNG, oldManage); } } } } @Override public IWizardPage getNextPage() { pagesLoaded = true; return MBSCustomPageManager.getNextPage(PAGE_ID); } }