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 *******************************************************************************/ package org.eclipse.jdt.internal.debug.ui.launcher; import org.eclipse.debug.ui.StringVariableSelectionDialog; import org.eclipse.jdt.debug.ui.IJavaDebugUIConstants; import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; import org.eclipse.jdt.internal.debug.ui.actions.RuntimeClasspathAction; import org.eclipse.jdt.launching.IRuntimeClasspathEntry; import org.eclipse.jdt.launching.JavaRuntime; import org.eclipse.jface.action.IAction; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IDialogSettings; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; /** * Dialog of radio buttons/actions for advanced classpath options. */ public class RuntimeClasspathAdvancedDialog extends Dialog { private IAction[] fActions; private Button[] fButtons; private IClasspathViewer fViewer; private Button fAddVariableStringButton; private Text fVariableString; /** * Constructs a new dialog on the given shell, with the specified * set of actions. * * @param parentShell * @param actions advanced actions */ public RuntimeClasspathAdvancedDialog(Shell parentShell, IAction[] actions, IClasspathViewer viewer) { super(parentShell); setShellStyle(SWT.RESIZE | getShellStyle()); fActions = actions; fViewer = viewer; } /** * @see Dialog#createDialogArea(Composite) */ @Override protected Control createDialogArea(Composite parent) { Composite inner = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); inner.setLayout(layout); GridData gd = new GridData(GridData.FILL_BOTH); inner.setLayoutData(gd); Label l = new Label(inner, SWT.NONE); l.setText(LauncherMessages.RuntimeClasspathAdvancedDialog_Select_an_advanced_option__1); gd = new GridData(GridData.FILL_HORIZONTAL); l.setLayoutData(gd); fButtons = new Button[fActions.length]; for (int i = 0; i < fActions.length; i++) { IAction action = fActions[i]; fButtons[i] = new Button(inner, SWT.RADIO); fButtons[i].setText(action.getText()); fButtons[i].setData(action); fButtons[i].setEnabled(action.isEnabled()); fButtons[i].setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); } addVariableStringComposite(inner); getShell().setText(LauncherMessages.RuntimeClasspathAdvancedDialog_Advanced_Options_1); Dialog.applyDialogFont(parent); return inner; } private void addVariableStringComposite(Composite composite) { fAddVariableStringButton = new Button(composite, SWT.RADIO); fAddVariableStringButton.setText(LauncherMessages.RuntimeClasspathAdvancedDialog_6); GridData gd = new GridData(GridData.FILL_HORIZONTAL); fAddVariableStringButton.setLayoutData(gd); final Composite inner = new Composite(composite, SWT.NONE); inner.setLayout(new GridLayout(2, false)); inner.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); fVariableString = new Text(inner, SWT.SINGLE | SWT.BORDER); gd = new GridData(GridData.FILL_HORIZONTAL); gd.grabExcessHorizontalSpace = true; fVariableString.setLayoutData(gd); final Button fVariablesButton = createButton(inner, IDialogConstants.IGNORE_ID, LauncherMessages.RuntimeClasspathAdvancedDialog_7, false); gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); fVariablesButton.setLayoutData(gd); fVariablesButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { StringVariableSelectionDialog dialog = new StringVariableSelectionDialog(getShell()); dialog.open(); String variable = dialog.getVariableExpression(); if (variable != null) { fVariableString.insert(variable); } } }); fAddVariableStringButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { boolean enabled = fAddVariableStringButton.getSelection(); fVariableString.setEnabled(enabled); fVariablesButton.setEnabled(enabled); } }); //set initial state boolean enabled = fAddVariableStringButton.getSelection(); fVariableString.setEnabled(enabled); fVariablesButton.setEnabled(enabled); } /** * @see Dialog#okPressed() */ @Override protected void okPressed() { if (fAddVariableStringButton.getSelection()) { String varString = fVariableString.getText().trim(); if (varString.length() > 0) { IRuntimeClasspathEntry entry = JavaRuntime.newStringVariableClasspathEntry(varString); fViewer.addEntries(new IRuntimeClasspathEntry[] { entry }); } } else { for (int i = 0; i < fButtons.length; i++) { if (fButtons[i].getSelection()) { IAction action = (IAction) fButtons[i].getData(); if (action instanceof RuntimeClasspathAction) { ((RuntimeClasspathAction) action).setShell(getShell()); } action.run(); break; } } } super.okPressed(); } protected String getDialogSettingsSectionName() { return IJavaDebugUIConstants.PLUGIN_ID + ".RUNTIME_CLASSPATH_ADVANCED_DIALOG"; //$NON-NLS-1$ } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.Dialog#getDialogBoundsSettings() */ @Override protected IDialogSettings getDialogBoundsSettings() { IDialogSettings settings = JDIDebugUIPlugin.getDefault().getDialogSettings(); IDialogSettings section = settings.getSection(getDialogSettingsSectionName()); if (section == null) { section = settings.addNewSection(getDialogSettingsSectionName()); } return section; } }