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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
*
* 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.android.ide.eclipse.adt.internal.build;
import com.android.ide.eclipse.adt.internal.editors.IconFactory;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
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.Link;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.browser.IWebBrowser;
import java.net.URL;
/**
* Dialog shown by the {@link ConvertSwitchQuickFixProcessor}. This is a custom
* dialog rather than a plain {@link MessageDialog} such that we can show a link
* and point to a web page for more info.
*/
class ConvertSwitchDialog extends TitleAreaDialog implements SelectionListener {
/** URL containing more info */
private static final String URL = "http://tools.android.com/tips/non-constant-fields"; //$NON-NLS-1$
private final String mField;
private Link mLink;
/**
* Create the dialog.
* @param parentShell the parent shell
* @param field the field name we're warning about
*/
public ConvertSwitchDialog(Shell parentShell, String field) {
super(parentShell);
mField = field;
Image image = IconFactory.getInstance().getIcon("android-64"); //$NON-NLS-1$
setTitleImage(image);
}
@Override
protected Control createDialogArea(Composite parent) {
String text = String.format(
"As of ADT 14, the resource fields (such as %1$s) are no longer constants " +
"when defined in library projects. This is necessary to make library " +
"projects reusable without recompiling them.\n" +
"\n" +
"One consequence of this is that you can no longer use the fields directly " +
"in switch statements. You must use an if-else chain instead.\n" +
"\n" +
"Eclipse can automatically convert from a switch statement to an if-else " +
"statement. Just place the caret on the switch keyword and invoke " +
"Quick Fix (Ctrl-1 on Windows and Linux, Cmd-1 on Mac), then select " +
"\"Convert 'switch' to 'if-else'\".\n" +
"\n" +
"For more information, see <a href=\"" + URL + "\">" + URL + "</a>",
mField);
Composite area = (Composite) super.createDialogArea(parent);
Composite container = new Composite(area, SWT.NONE);
container.setLayout(new GridLayout(1, false));
container.setLayoutData(new GridData(GridData.FILL_BOTH));
mLink = new Link(container, SWT.NONE);
mLink.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, true, true, 1, 1));
mLink.setText(text);
mLink.addSelectionListener(this);
setMessage("Non-Constant Expressions: Migration Necessary", IMessageProvider.INFORMATION);
return area;
}
@Override
protected void createButtonsForButtonBar(Composite parent) {
createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
createButton(parent, IDialogConstants.HELP_ID, IDialogConstants.HELP_LABEL, false);
}
@Override
protected Point getInitialSize() {
return new Point(500, 400);
}
private void showWebPage() {
try {
IWorkbench workbench = PlatformUI.getWorkbench();
IWebBrowser browser = workbench.getBrowserSupport().getExternalBrowser();
browser.openURL(new URL(URL));
} catch (Exception e) {
String message = String.format("Could not open browser. Vist\n%1$s\ninstead.",
URL);
MessageDialog.openError(getShell(), "Browser Error", message);
}
}
@Override
protected void buttonPressed(int buttonId) {
if (buttonId == IDialogConstants.HELP_ID) {
showWebPage();
} else {
super.buttonPressed(buttonId);
}
}
// ---- Implements SelectionListener ----
@Override
public void widgetSelected(SelectionEvent e) {
if (e.getSource() == mLink) {
showWebPage();
}
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {
}
}
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