1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Eclipse Public License, Version 1.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.eclipse.org/org/documents/epl-v10.php 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.ide.eclipse.adt.internal.build; 17 18 import com.android.ide.eclipse.adt.internal.editors.IconFactory; 19 20 import org.eclipse.jface.dialogs.IDialogConstants; 21 import org.eclipse.jface.dialogs.IMessageProvider; 22 import org.eclipse.jface.dialogs.MessageDialog; 23 import org.eclipse.jface.dialogs.TitleAreaDialog; 24 import org.eclipse.swt.SWT; 25 import org.eclipse.swt.events.SelectionEvent; 26 import org.eclipse.swt.events.SelectionListener; 27 import org.eclipse.swt.graphics.Image; 28 import org.eclipse.swt.graphics.Point; 29 import org.eclipse.swt.layout.GridData; 30 import org.eclipse.swt.layout.GridLayout; 31 import org.eclipse.swt.widgets.Composite; 32 import org.eclipse.swt.widgets.Control; 33 import org.eclipse.swt.widgets.Link; 34 import org.eclipse.swt.widgets.Shell; 35 import org.eclipse.ui.IWorkbench; 36 import org.eclipse.ui.PlatformUI; 37 import org.eclipse.ui.browser.IWebBrowser; 38 39 import java.net.URL; 40 41 /** 42 * Dialog shown by the {@link ConvertSwitchQuickFixProcessor}. This is a custom 43 * dialog rather than a plain {@link MessageDialog} such that we can show a link 44 * and point to a web page for more info. 45 */ 46 class ConvertSwitchDialog extends TitleAreaDialog implements SelectionListener { 47 /** URL containing more info */ 48 private static final String URL = "http://tools.android.com/tips/non-constant-fields"; //$NON-NLS-1$ 49 50 private final String mField; 51 52 private Link mLink; 53 54 /** 55 * Create the dialog. 56 * @param parentShell the parent shell 57 * @param field the field name we're warning about 58 */ ConvertSwitchDialog(Shell parentShell, String field)59 public ConvertSwitchDialog(Shell parentShell, String field) { 60 super(parentShell); 61 mField = field; 62 Image image = IconFactory.getInstance().getIcon("android-64"); //$NON-NLS-1$ 63 setTitleImage(image); 64 } 65 66 @Override createDialogArea(Composite parent)67 protected Control createDialogArea(Composite parent) { 68 String text = String.format( 69 "As of ADT 14, the resource fields (such as %1$s) are no longer constants " + 70 "when defined in library projects. This is necessary to make library " + 71 "projects reusable without recompiling them.\n" + 72 "\n" + 73 "One consequence of this is that you can no longer use the fields directly " + 74 "in switch statements. You must use an if-else chain instead.\n" + 75 "\n" + 76 "Eclipse can automatically convert from a switch statement to an if-else " + 77 "statement. Just place the caret on the switch keyword and invoke " + 78 "Quick Fix (Ctrl-1 on Windows and Linux, Cmd-1 on Mac), then select " + 79 "\"Convert 'switch' to 'if-else'\".\n" + 80 "\n" + 81 "For more information, see <a href=\"" + URL + "\">" + URL + "</a>", 82 mField); 83 84 Composite area = (Composite) super.createDialogArea(parent); 85 Composite container = new Composite(area, SWT.NONE); 86 container.setLayout(new GridLayout(1, false)); 87 container.setLayoutData(new GridData(GridData.FILL_BOTH)); 88 89 mLink = new Link(container, SWT.NONE); 90 mLink.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, true, true, 1, 1)); 91 mLink.setText(text); 92 mLink.addSelectionListener(this); 93 94 setMessage("Non-Constant Expressions: Migration Necessary", IMessageProvider.INFORMATION); 95 96 return area; 97 } 98 99 @Override createButtonsForButtonBar(Composite parent)100 protected void createButtonsForButtonBar(Composite parent) { 101 createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); 102 createButton(parent, IDialogConstants.HELP_ID, IDialogConstants.HELP_LABEL, false); 103 } 104 105 @Override getInitialSize()106 protected Point getInitialSize() { 107 return new Point(500, 400); 108 } 109 showWebPage()110 private void showWebPage() { 111 try { 112 IWorkbench workbench = PlatformUI.getWorkbench(); 113 IWebBrowser browser = workbench.getBrowserSupport().getExternalBrowser(); 114 browser.openURL(new URL(URL)); 115 } catch (Exception e) { 116 String message = String.format("Could not open browser. Vist\n%1$s\ninstead.", 117 URL); 118 MessageDialog.openError(getShell(), "Browser Error", message); 119 } 120 121 } 122 123 @Override buttonPressed(int buttonId)124 protected void buttonPressed(int buttonId) { 125 if (buttonId == IDialogConstants.HELP_ID) { 126 showWebPage(); 127 } else { 128 super.buttonPressed(buttonId); 129 } 130 } 131 132 // ---- Implements SelectionListener ---- 133 134 @Override widgetSelected(SelectionEvent e)135 public void widgetSelected(SelectionEvent e) { 136 if (e.getSource() == mLink) { 137 showWebPage(); 138 } 139 } 140 141 @Override widgetDefaultSelected(SelectionEvent e)142 public void widgetDefaultSelected(SelectionEvent e) { 143 } 144 } 145