/*
* Copyright (c) 2013, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (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/legal/epl-v10.html
*
* 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.google.dart.tools.debug.ui.internal.util;
import com.google.dart.tools.debug.ui.internal.dartium.DartiumLaunchMessages;
import com.google.dart.tools.debug.ui.internal.util.AppSelectionDialog.HtmlResourceFilter;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.layout.PixelConverter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ContainerSelectionDialog;
import org.eclipse.ui.dialogs.FilteredItemsSelectionDialog;
/**
* A composite that creates a group to enter html and url information for dartium/browser launch
*/
public class LaunchTargetComposite extends Composite {
protected ModifyListener textModifyListener = new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
notifyPanelChanged();
}
};
private Button htmlButton;
private Text htmlText;
private Button htmlBrowseButton;
private Button urlButton;
private Text urlText;
private Text sourceDirectoryText;
private Button projectBrowseButton;
private int widthHint;
private Label projectLabel;
public LaunchTargetComposite(Composite parent, int style) {
super(parent, style);
GridLayout layout = new GridLayout(1, false);
layout.marginHeight = 0;
layout.marginWidth = 0;
setLayout(layout);
GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.TOP).applyTo(this);
Group group = new Group(this, SWT.NONE);
group.setText(DartiumLaunchMessages.DartiumMainTab_LaunchTarget);
GridDataFactory.fillDefaults().grab(true, false).align(SWT.FILL, SWT.TOP).applyTo(group);
GridLayoutFactory.swtDefaults().numColumns(3).applyTo(group);
createHtmlField(group);
Label filler = new Label(group, SWT.NONE);
GridDataFactory.swtDefaults().span(3, 1).hint(-1, 4).applyTo(filler);
createUrlField(group);
}
public int getButtonWidthHint() {
return widthHint;
}
public String getErrorMessage() {
if (htmlButton.getSelection() && htmlText.getText().length() == 0) {
return DartiumLaunchMessages.DartiumMainTab_NoHtmlFile;
}
if (urlButton.getSelection()) {
String url = urlText.getText();
if (url.length() == 0) {
return DartiumLaunchMessages.DartiumMainTab_NoUrl;
}
if (!isValidUrl(url)) {
return DartiumLaunchMessages.DartiumMainTab_InvalidURL;
}
if (sourceDirectoryText.getText().length() == 0) {
return DartiumLaunchMessages.DartiumMainTab_NoProject;
}
}
return null;
}
public boolean getHtmlButtonSelection() {
return htmlButton.getSelection();
}
public String getHtmlFileName() {
return htmlText.getText().trim();
}
public int getLabelColumnWidth() {
projectLabel.pack();
return projectLabel.getSize().x;
}
public String getSourceDirectory() {
return sourceDirectoryText.getText().trim();
}
public String getUrlString() {
return urlText.getText().trim();
}
public void setHtmlButtonSelection(boolean state) {
htmlButton.setSelection(state);
urlButton.setSelection(!state);
updateEnablements(state);
}
public void setHtmlTextValue(String string) {
htmlText.setText(string);
}
public void setSourceDirectoryTextValue(String sourceDirectoryName) {
sourceDirectoryText.setText(sourceDirectoryName);
}
public void setUrlTextValue(String string) {
urlText.setText(string);
}
protected void createHtmlField(Composite composite) {
htmlButton = new Button(composite, SWT.RADIO);
htmlButton.setText(DartiumLaunchMessages.DartiumMainTab_HtmlFileLabel);
htmlButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
updateEnablements(true);
notifyPanelChanged();
}
});
htmlText = new Text(composite, SWT.BORDER | SWT.SINGLE);
htmlText.addModifyListener(textModifyListener);
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).hint(400, SWT.DEFAULT).grab(
true,
false).applyTo(htmlText);
htmlBrowseButton = new Button(composite, SWT.PUSH);
htmlBrowseButton.setText(DartiumLaunchMessages.DartiumMainTab_Browse);
PixelConverter converter = new PixelConverter(htmlBrowseButton);
int widthHint = converter.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.BEGINNING).hint(widthHint, -1).applyTo(
htmlBrowseButton);
htmlBrowseButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
handleApplicationBrowseButton();
}
});
}
protected void createUrlField(Composite composite) {
urlButton = new Button(composite, SWT.RADIO);
urlButton.setText(DartiumLaunchMessages.DartiumMainTab_UrlLabel);
urlButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
updateEnablements(false);
notifyPanelChanged();
}
});
urlText = new Text(composite, SWT.BORDER | SWT.SINGLE);
urlText.addModifyListener(textModifyListener);
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(urlText);
// spacer
new Label(composite, SWT.NONE);
projectLabel = new Label(composite, SWT.NONE);
projectLabel.setText(DartiumLaunchMessages.DartiumMainTab_SourceDirectoryLabel);
GridDataFactory.swtDefaults().indent(20, 0).applyTo(projectLabel);
sourceDirectoryText = new Text(composite, SWT.BORDER | SWT.SINGLE);
sourceDirectoryText.setCursor(composite.getShell().getDisplay().getSystemCursor(
SWT.CURSOR_ARROW));
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(
sourceDirectoryText);
projectBrowseButton = new Button(composite, SWT.PUSH);
projectBrowseButton.setText(DartiumLaunchMessages.DartiumMainTab_Browse);
PixelConverter converter = new PixelConverter(htmlBrowseButton);
widthHint = converter.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.BEGINNING).hint(widthHint, -1).applyTo(
projectBrowseButton);
projectBrowseButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
handleSourceDirectoryBrowseButton();
}
});
}
protected void handleApplicationBrowseButton() {
IWorkspace workspace = ResourcesPlugin.getWorkspace();
AppSelectionDialog dialog = new AppSelectionDialog(
getShell(),
workspace.getRoot(),
new HtmlResourceFilter());
dialog.setTitle(DartiumLaunchMessages.DartiumMainTab_SelectHtml);
dialog.setInitialPattern(".", FilteredItemsSelectionDialog.FULL_SELECTION); //$NON-NLS-1$
IPath path = new Path(htmlText.getText());
if (workspace.validatePath(path.toString(), IResource.FILE).isOK()) {
IFile file = workspace.getRoot().getFile(path);
if (file != null && file.exists()) {
dialog.setInitialSelections(new Object[] {path});
}
}
dialog.open();
Object[] results = dialog.getResult();
if ((results != null) && (results.length > 0) && (results[0] instanceof IFile)) {
IFile file = (IFile) results[0];
String pathStr = file.getFullPath().toPortableString();
htmlText.setText(pathStr);
notifyPanelChanged();
}
}
protected void handleSourceDirectoryBrowseButton() {
ContainerSelectionDialog dialog = new ContainerSelectionDialog(
getShell(),
null,
false,
DartiumLaunchMessages.DartiumMainTab_SelectProject);
dialog.open();
Object[] results = dialog.getResult();
if ((results != null) && (results.length > 0)) {
String pathStr = ((IPath) results[0]).toString();
sourceDirectoryText.setText(pathStr);
notifyPanelChanged();
}
}
protected void updateEnablements(boolean isFile) {
if (isFile) {
htmlText.setEnabled(true);
htmlBrowseButton.setEnabled(true);
urlText.setEnabled(false);
sourceDirectoryText.setEnabled(false);
projectBrowseButton.setEnabled(false);
} else {
htmlText.setEnabled(false);
htmlBrowseButton.setEnabled(false);
urlText.setEnabled(true);
sourceDirectoryText.setEnabled(true);
projectBrowseButton.setEnabled(true);
}
}
private boolean isValidUrl(String url) {
final String[] validSchemes = new String[] {"file:", "http:", "https:"};
for (String scheme : validSchemes) {
if (url.startsWith(scheme)) {
return true;
}
}
return false;
}
private void notifyPanelChanged() {
Event event = new Event();
event.type = SWT.Modify;
event.widget = this;
notifyListeners(SWT.Modify, event);
}
}