Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2007 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 *******************************************************************************/ package org.eclipse.debug.internal.ui.preferences; import org.eclipse.debug.internal.ui.DebugUIPlugin; import org.eclipse.debug.internal.ui.IDebugHelpContextIds; import org.eclipse.debug.internal.ui.IInternalDebugUIConstants; import org.eclipse.debug.internal.ui.SWTFactory; import org.eclipse.debug.ui.IDebugUIConstants; import org.eclipse.jface.dialogs.MessageDialogWithToggle; import org.eclipse.jface.preference.BooleanFieldEditor; import org.eclipse.jface.preference.FieldEditor; import org.eclipse.jface.preference.FieldEditorPreferencePage; import org.eclipse.jface.preference.IntegerFieldEditor; import org.eclipse.jface.preference.RadioGroupFieldEditor; import org.eclipse.jface.preference.StringFieldEditor; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; 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.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.PlatformUI; import com.ibm.icu.text.MessageFormat; /** * A preference page for configuring launching preferences. * * @since 3.0.0 */ public class LaunchingPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage { private Button fUseContextLaunching; private Button fUseOldLaunching; private Button fLaunchLastIfNotLaunchable; private Button fCheckParent; /** * The default constructor */ public LaunchingPreferencePage() { super(); setPreferenceStore(DebugUIPlugin.getDefault().getPreferenceStore()); } /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#createControl(org.eclipse.swt.widgets.Composite) */ public void createControl(Composite parent) { super.createControl(parent); PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IDebugHelpContextIds.LAUNCHING_PREFERENCE_PAGE); } /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite) */ protected Control createContents(Composite parent) { Composite comp = SWTFactory.createComposite(parent, 1, 1, GridData.FILL_HORIZONTAL); //save dirty editors FieldEditor edit = new RadioGroupFieldEditor( IInternalDebugUIConstants.PREF_SAVE_DIRTY_EDITORS_BEFORE_LAUNCH, DebugPreferencesMessages.LaunchingPreferencePage_2, 3, new String[][] { { DebugPreferencesMessages.LaunchingPreferencePage_3, MessageDialogWithToggle.ALWAYS }, { DebugPreferencesMessages.LaunchingPreferencePage_4, MessageDialogWithToggle.NEVER }, { DebugPreferencesMessages.LaunchingPreferencePage_5, MessageDialogWithToggle.PROMPT } }, comp, true); addField(edit); //wait for build edit = new RadioGroupFieldEditor(IInternalDebugUIConstants.PREF_WAIT_FOR_BUILD, DebugPreferencesMessages.LaunchingPreferencePage_6, 3, new String[][] { { DebugPreferencesMessages.LaunchingPreferencePage_7, MessageDialogWithToggle.ALWAYS }, { DebugPreferencesMessages.LaunchingPreferencePage_8, MessageDialogWithToggle.NEVER }, { DebugPreferencesMessages.LaunchingPreferencePage_9, MessageDialogWithToggle.PROMPT } }, comp, true); addField(edit); //re-launch in debug mode edit = new RadioGroupFieldEditor(IInternalDebugUIConstants.PREF_RELAUNCH_IN_DEBUG_MODE, DebugPreferencesMessages.LaunchingPreferencePage_15, 3, new String[][] { { DebugPreferencesMessages.LaunchingPreferencePage_16, MessageDialogWithToggle.ALWAYS }, { DebugPreferencesMessages.LaunchingPreferencePage_17, MessageDialogWithToggle.NEVER }, { DebugPreferencesMessages.LaunchingPreferencePage_18, MessageDialogWithToggle.PROMPT } }, comp, true); addField(edit); //continue with compile errors edit = new RadioGroupFieldEditor(IInternalDebugUIConstants.PREF_CONTINUE_WITH_COMPILE_ERROR, DebugPreferencesMessages.LaunchingPreferencePage_21, 2, new String[][] { { DebugPreferencesMessages.LaunchingPreferencePage_22, MessageDialogWithToggle.ALWAYS }, { DebugPreferencesMessages.LaunchingPreferencePage_23, MessageDialogWithToggle.PROMPT } }, comp, true); addField(edit); //filtering options Group group = SWTFactory.createGroup(comp, DebugPreferencesMessages.LaunchingPreferencePage_36, 1, 1, GridData.FILL_HORIZONTAL); Composite spacer = SWTFactory.createComposite(group, 1, 1, GridData.FILL_HORIZONTAL); edit = new BooleanFieldEditor(IDebugUIConstants.PREF_BUILD_BEFORE_LAUNCH, DebugPreferencesMessages.LaunchingPreferencePage_1, SWT.NONE, spacer); edit.fillIntoGrid(spacer, 2); addField(edit); edit = new BooleanFieldEditor(IDebugUIConstants.PREF_AUTO_REMOVE_OLD_LAUNCHES, DebugPreferencesMessages.LaunchingPreferencePage_10, SWT.NONE, spacer); edit.fillIntoGrid(spacer, 2); addField(edit); edit = new BooleanFieldEditor(IInternalDebugUIConstants.PREF_REMOVE_FROM_LAUNCH_HISTORY, DebugPreferencesMessages.LaunchingPreferencePage_confirm_0, spacer); edit.fillIntoGrid(spacer, 2); addField(edit); //history list size preference IntegerFieldEditor editor = new IntegerFieldEditor(IDebugUIConstants.PREF_MAX_HISTORY_SIZE, DebugPreferencesMessages.DebugPreferencePage_10, spacer); editor.fillIntoGrid(spacer, 2); addField(editor); int historyMax = IDebugPreferenceConstants.MAX_LAUNCH_HISTORY_SIZE; editor.setTextLimit(Integer.toString(historyMax).length()); editor.setErrorMessage(MessageFormat.format(DebugPreferencesMessages.DebugPreferencePage_11, new Object[] { new Integer(1), new Integer(historyMax) })); editor.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE); editor.setValidRange(1, historyMax); editor.setEmptyStringAllowed(false); //CONTEXTLAUNCHING createContextLaunchingControls(comp); initialize(); checkState(); return comp; } /** * Creates the context launching portion of the page, which includes two radio buttons and * a nested check box * @param parent the parent to add this control to * * @since 3.3.0 * CONTEXTLAUNCHING */ private void createContextLaunchingControls(Composite parent) { Group group = SWTFactory.createGroup(parent, DebugPreferencesMessages.LaunchingPreferencePage_40, 1, 1, GridData.FILL_HORIZONTAL); fUseOldLaunching = SWTFactory.createRadioButton(group, DebugPreferencesMessages.LaunchingPreferencePage_37); fUseContextLaunching = SWTFactory.createRadioButton(group, DebugPreferencesMessages.LaunchingPreferencePage_38); fUseContextLaunching.addSelectionListener(new SelectionListener() { public void widgetDefaultSelected(SelectionEvent e) { } public void widgetSelected(SelectionEvent e) { boolean enabled = ((Button) e.widget).getSelection(); fCheckParent.setEnabled(enabled); fLaunchLastIfNotLaunchable.setEnabled(enabled); } }); Composite space = SWTFactory.createComposite(group, 1, 1, GridData.FILL_HORIZONTAL); GridData gd = (GridData) space.getLayoutData(); gd.horizontalIndent = 10; GridLayout layout = (GridLayout) space.getLayout(); layout.marginHeight = 0; fCheckParent = SWTFactory.createRadioButton(space, DebugPreferencesMessages.LaunchingPreferencePage_39); fLaunchLastIfNotLaunchable = SWTFactory.createRadioButton(space, DebugPreferencesMessages.LaunchingPreferencePage_41); //initialize the buttons boolean value = getPreferenceStore().getBoolean(IInternalDebugUIConstants.PREF_USE_CONTEXTUAL_LAUNCH); fUseOldLaunching.setSelection(!value); fUseContextLaunching.setSelection(value); boolean enable = getPreferenceStore().getBoolean(IInternalDebugUIConstants.PREF_LAUNCH_PARENT_PROJECT); fCheckParent.setSelection(enable); fCheckParent.setEnabled(value); fLaunchLastIfNotLaunchable.setSelection(!enable); fLaunchLastIfNotLaunchable.setEnabled(value); } /* (non-Javadoc) * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) */ public void init(IWorkbench workbench) { } /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#performDefaults() */ protected void performDefaults() { boolean value = getPreferenceStore() .getDefaultBoolean(IInternalDebugUIConstants.PREF_USE_CONTEXTUAL_LAUNCH); fUseOldLaunching.setSelection(!value); fUseContextLaunching.setSelection(value); boolean parent = getPreferenceStore() .getDefaultBoolean(IInternalDebugUIConstants.PREF_LAUNCH_PARENT_PROJECT); fCheckParent.setSelection(parent); fCheckParent.setEnabled(value); fLaunchLastIfNotLaunchable.setSelection(!parent); fLaunchLastIfNotLaunchable.setEnabled(value); super.performDefaults(); } /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#performOk() */ public boolean performOk() { getPreferenceStore().setValue(IInternalDebugUIConstants.PREF_USE_CONTEXTUAL_LAUNCH, fUseContextLaunching.getSelection()); getPreferenceStore().setValue(IInternalDebugUIConstants.PREF_LAUNCH_PARENT_PROJECT, fCheckParent.getSelection()); getPreferenceStore().setValue(IInternalDebugUIConstants.PREF_LAUNCH_LAST_IF_NOT_LAUNCHABLE, fLaunchLastIfNotLaunchable.getSelection()); return super.performOk(); } /** * @see org.eclipse.jface.preference.FieldEditorPreferencePage#createFieldEditors() */ protected void createFieldEditors() { //do nothing we overload the create contents method } }