Java tutorial
/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.motorolamobility.preflighting.ui; import java.util.ArrayList; import java.util.List; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.swt.SWT; 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.swt.widgets.TabFolder; import org.eclipse.swt.widgets.TabItem; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.PlatformUI; import com.motorolamobility.preflighting.core.logging.PreflightingLogger; import com.motorolamobility.preflighting.ui.i18n.PreflightingUiNLS; import com.motorolamobility.preflighting.ui.tabs.AbstractAppValidatorTabComposite; import com.motorolamobility.preflighting.ui.tabs.CheckersTabComposite; import com.motorolamobility.preflighting.ui.tabs.DevicesTabComposite; import com.motorolamobility.preflighting.ui.tabs.GeneralSettingsComposite; import com.motorolamobility.preflighting.ui.tabs.UIChangedListener; public class CommandLinePreferencePage extends PreferencePage implements IWorkbenchPreferencePage { private final String PREFERENCE_PAGE_HELP = PreflightingUIPlugin.PREFLIGHTING_UI_PLUGIN_ID + ".preference-appvalidator-commandline"; //$NON-NLS-1$ private List<AbstractAppValidatorTabComposite> pagesComposite; public CommandLinePreferencePage() { setPreferenceStore(PreflightingUIPlugin.getDefault().getPreferenceStore()); } public void init(IWorkbench workbench) { //do nothing } /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#performOk() */ @Override public boolean performOk() { /* * Workaround to make it work on MacOS * * On MacOS, the TableViewer cell doesn't lose the focus when the * user clicks "Apply" or "OK". This way, the editor's setValue method * is not called, and the cell value is not updated in the model. * Given that, the last modification would not be persisted. * * This forces the focus change and consequently updates the model * before continuing. */ getShell().setFocus(); getControl().setFocus(); StringBuilder commandLine = new StringBuilder(); for (AbstractAppValidatorTabComposite composite : pagesComposite) { composite.performOk(getPreferenceStore()); commandLine.append(composite.commandLineBuilder() + " "); //$NON-NLS-1$ } getPreferenceStore().setValue(PreflightingUIPlugin.COMMAND_LINE_PREFERENCE_KEY, commandLine.toString().trim()); getPreferenceStore().setValue(PreflightingUIPlugin.ERRORS_TO_WARNINGS_PREFERENCE_KEY, Boolean.getBoolean(PreflightingUIPlugin.ECLIPSE_PROBLEM_TO_WARNING_VALUE)); PreflightingLogger.debug("App Validator command line: " + commandLine); return super.performOk(); } /** * */ /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#performDefaults() */ @Override protected void performDefaults() { for (AbstractAppValidatorTabComposite composite : pagesComposite) { composite.performDefaults(); } super.performDefaults(); } /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#isValid() */ @Override protected Control createContents(Composite parent) { PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, PREFERENCE_PAGE_HELP); pagesComposite = new ArrayList<AbstractAppValidatorTabComposite>(); IPreferenceStore prefStore = PreflightingUIPlugin.getDefault().getPreferenceStore(); if ((!prefStore.contains(PreflightingUIPlugin.OUTPUT_LIMIT_VALUE)) && prefStore.contains(PreflightingUIPlugin.COMMAND_LINE_PREFERENCE_KEY) && (!(prefStore.getString(PreflightingUIPlugin.COMMAND_LINE_PREFERENCE_KEY)) .equals(PreflightingUIPlugin.DEFAULT_BACKWARD_COMMANDLINE))) { Label backLabel = new Label(parent, SWT.WRAP); GridData layoutData = new GridData(SWT.FILL, SWT.TOP, true, false); layoutData.widthHint = 450; backLabel.setLayoutData(layoutData); backLabel.setText("You have previously set the following App Validator parameters:\n" + prefStore.getString(PreflightingUIPlugin.COMMAND_LINE_PREFERENCE_KEY)); } Composite mainComposite = new Composite(parent, SWT.NONE); mainComposite.setLayout(new GridLayout(1, false)); GridData mainData = new GridData(SWT.FILL, SWT.TOP, true, false); mainComposite.setLayoutData(mainData); TabFolder tabFolder = new TabFolder(mainComposite, SWT.TOP); tabFolder.setLayoutData(new GridData(GridData.FILL_BOTH)); TabItem generalSettingsTab = new TabItem(tabFolder, SWT.NONE); generalSettingsTab.setText(PreflightingUiNLS.CommandLinePreferencePage_GeneralSettingTabName); AbstractAppValidatorTabComposite genSettingsComposite = new GeneralSettingsComposite(tabFolder, SWT.NONE); generalSettingsTab.setControl(genSettingsComposite); genSettingsComposite.addUIChangedListener(new UIChangedListener() { public void uiChanged(AbstractAppValidatorTabComposite composite) { validateUI(composite); } }); pagesComposite.add(genSettingsComposite); TabItem checkersSettingsTab = new TabItem(tabFolder, SWT.NONE); checkersSettingsTab.setText(PreflightingUiNLS.CommandLinePreferencePage_Checkers_Tab); AbstractAppValidatorTabComposite checkersTabComposite = new CheckersTabComposite(tabFolder, SWT.NONE, getPreferenceStore()); checkersSettingsTab.setControl(checkersTabComposite); checkersTabComposite.addUIChangedListener(new UIChangedListener() { public void uiChanged(AbstractAppValidatorTabComposite composite) { validateUI(composite); } }); pagesComposite.add(checkersTabComposite); TabItem devicesSettingTab = new TabItem(tabFolder, SWT.NONE); devicesSettingTab.setText(PreflightingUiNLS.CommandLinePreferencePage_Devices_Tab); AbstractAppValidatorTabComposite devicesTabComposite = new DevicesTabComposite(tabFolder, SWT.NONE, getPreferenceStore()); devicesSettingTab.setControl(devicesTabComposite); pagesComposite.add(devicesTabComposite); setValid(((GeneralSettingsComposite) genSettingsComposite).canFinish()); return mainComposite; } public void validateUI(AbstractAppValidatorTabComposite composite) { IStatus status = composite.isValid(); if (status.getSeverity() == IStatus.ERROR) { setValid(false); setMessage(status.getMessage(), IMessageProvider.ERROR); } else if (status.getSeverity() == IStatus.WARNING) { setMessage(status.getMessage(), IMessageProvider.WARNING); } else { setValid(true); setMessage(null); } } }