Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2011 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: * IBM Corporation - initial API and implementation * QNX Software System * Anton Leherbauer (Wind River Systems) * Sergey Prigogin (Google) * James Blackburn (Broadcom Corp.) *******************************************************************************/ package org.eclipse.cdt.internal.ui.build; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Font; 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.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.PlatformUI; import org.eclipse.cdt.core.resources.ACBuilder; import org.eclipse.cdt.ui.CUIPlugin; import org.eclipse.cdt.internal.ui.ICHelpContextIds; import org.eclipse.cdt.internal.ui.preferences.PreferencesMessages; /** * The page for top-level build preferences */ public class BuildPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { private static final int GROUP_VINDENT = 5; private static final int GROUP_HINDENT = 20; private Button buildActive, buildAll, buildOnlyOnRefChange; public BuildPreferencePage() { super(); setPreferenceStore(CUIPlugin.getDefault().getPreferenceStore()); setDescription(PreferencesMessages.CBuildPreferencePage_description); } @Override public void createControl(Composite parent) { super.createControl(parent); PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), ICHelpContextIds.C_PREF_PAGE); } @Override protected Control createContents(Composite parent) { initializeDialogUnits(parent); Composite container = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN); layout.marginWidth = 0; layout.verticalSpacing = convertVerticalDLUsToPixels(10); layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING); container.setLayout(layout); // Build either default configuration or all. Group gr = addGroup(container, PreferencesMessages.CPluginPreferencePage_build_scope); Label l1 = new Label(gr, SWT.NONE); l1.setText(PreferencesMessages.CPluginPreferencePage_1); GridData gd = new GridData(GridData.FILL_HORIZONTAL); gd.verticalIndent = GROUP_VINDENT; l1.setLayoutData(gd); boolean needAllConfigBuild = ACBuilder.needAllConfigBuild(); buildActive = new Button(gr, SWT.RADIO); buildActive.setText(PreferencesMessages.CPluginPreferencePage_2); gd = new GridData(GridData.FILL_HORIZONTAL); gd.verticalIndent = GROUP_VINDENT; gd.horizontalIndent = GROUP_HINDENT; buildActive.setLayoutData(gd); buildActive.setSelection(!needAllConfigBuild); buildAll = new Button(gr, SWT.RADIO); buildAll.setText(PreferencesMessages.CPluginPreferencePage_3); gd = new GridData(GridData.FILL_HORIZONTAL); gd.horizontalIndent = GROUP_HINDENT; buildAll.setLayoutData(gd); buildAll.setSelection(needAllConfigBuild); addNote(gr, PreferencesMessages.CPluginPreferencePage_4); // Building project dependencies. Group gr2 = addGroup(container, PreferencesMessages.CPluginPreferencePage_building_configurations); buildOnlyOnRefChange = new Button(gr2, SWT.CHECK); buildOnlyOnRefChange.setText(PreferencesMessages.CPluginPreferencePage_7); GridData gd2 = new GridData(GridData.FILL_HORIZONTAL); gd2.verticalIndent = GROUP_VINDENT; buildOnlyOnRefChange.setLayoutData(gd2); buildOnlyOnRefChange.setSelection(ACBuilder.buildConfigResourceChanges()); Dialog.applyDialogFont(container); return container; } private void addNote(Group parent, String noteMessage) { Composite noteControl = createNoteComposite(JFaceResources.getDialogFont(), parent, PreferencesMessages.CPluginPreferencePage_note, noteMessage); GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL); gd.verticalIndent = GROUP_VINDENT; noteControl.setLayoutData(gd); } @Override protected Composite createNoteComposite(Font font, Composite composite, String title, String message) { Composite messageComposite = super.createNoteComposite(font, composite, title, message); Control[] children = messageComposite.getChildren(); if (children.length == 2 && (children[1] instanceof Label)) { // this is temporary fix for problem that 3 line note does not displayed properly within the group Label messageLabel = (Label) children[1]; GridData gd = new GridData(GridData.FILL_HORIZONTAL); gd.widthHint = 500; messageLabel.setLayoutData(gd); } return messageComposite; } private Group addGroup(Composite parent, String label) { return addGroup(parent, label, 1); } private Group addGroup(Composite parent, String label, int numColumns) { Group group = new Group(parent, SWT.NONE); group.setText(label); group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); group.setLayout(new GridLayout(numColumns, false)); return group; } /** * @see IWorkbenchPreferencePage#init */ @Override public void init(IWorkbench workbench) { } /* (non-Javadoc) * @see org.eclipse.jface.preference.IPreferencePage#performOk() */ @Override public boolean performOk() { if (!super.performOk()) return false; // tell the Core Plugin about this preference ACBuilder.setAllConfigBuild(buildAll.getSelection()); ACBuilder.setBuildConfigResourceChanges(buildOnlyOnRefChange.getSelection()); return true; } @Override protected void performDefaults() { ACBuilder.setAllConfigBuild(false); ACBuilder.setBuildConfigResourceChanges(false); buildActive.setSelection(true); buildAll.setSelection(false); buildOnlyOnRefChange.setSelection(false); super.performDefaults(); } }