/*******************************************************************************
* Copyright (c) 2003, 2016 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
* John J Barton 2008, Bug 248516 - [Browser] Update Window > Pref > General >Web Browsers UI
*******************************************************************************/
package org.eclipse.ui.internal.browser;
import java.io.File;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.util.Util;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Font;
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.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
/**
*
*/
public class BrowserDescriptorDialog extends Dialog {
protected IBrowserDescriptorWorkingCopy browser;
protected boolean isEdit;
protected Button newPageCheckbox;
protected Button clearHistoryCheckbox;
protected Button browseButton;
protected Text browserNameTextfield;
protected Text browserLocationTextfield;
protected Text browserParametersTextfield;
private Button okButton;
interface StringModifyListener {
public void valueChanged(String s);
}
public BrowserDescriptorDialog(Shell parentShell, IBrowserDescriptorWorkingCopy browser) {
super(parentShell);
this.browser = browser;
isEdit = true;
setShellStyle( getShellStyle() | SWT.RESIZE );
}
public BrowserDescriptorDialog(Shell parentShell) {
super(parentShell);
browser = BrowserManager.getInstance().createExternalWebBrowser();
isEdit = false;
setShellStyle( getShellStyle() | SWT.RESIZE );
}
@Override
protected void configureShell(Shell shell) {
super.configureShell(shell);
if (isEdit)
shell.setText(Messages.editExternalBrowser);
else
shell.setText(Messages.createBrowser);
}
protected Text createText(Composite comp, String txt, final StringModifyListener listener, boolean multiLine) {
int style = SWT.BORDER;
if (multiLine) {
style = SWT.BORDER | SWT.V_SCROLL | SWT.MULTI | SWT.WRAP;
}
final Text text = new Text(comp, style);
if (multiLine) {
text.addTraverseListener(event -> {
switch (event.detail) {
case SWT.TRAVERSE_RETURN:
case SWT.TRAVERSE_TAB_NEXT:
case SWT.TRAVERSE_TAB_PREVIOUS:
event.doit = true;
break;
}
});
}
// final Text text = SWTUtil.createMultilineText(comp, style);
if (txt != null)
text.setText(txt);
GridData data = new GridData(SWT.FILL, SWT.CENTER, true, false);
data.widthHint = 450;
if (multiLine) { // then expand this control as the dialog resizes
data.verticalAlignment= SWT.FILL;
data.grabExcessVerticalSpace = true;
data.heightHint = convertHeightInCharsToPixels(4);
}
text.setLayoutData(data);
if (listener != null)
text.addModifyListener(e -> listener.valueChanged(text.getText()));
return text;
}
@Override
protected Control createDialogArea(Composite parent) {
Font font = parent.getFont();
Composite composite = (Composite) super.createDialogArea(parent);
((GridLayout)composite.getLayout()).numColumns = 3;
composite.setFont(font);
PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, ContextIds.PREF_BROWSER_DIALOG);
SWTUtil.createLabel(composite, Messages.name).setFont(font);
browserNameTextfield = createText(composite, browser.getName(), s -> {
browser.setName(s);
validateFields();
}, false);
browserNameTextfield.setFont(font);
new Label(composite, SWT.NONE);
SWTUtil.createLabel(composite, Messages.location).setFont(font);
browserLocationTextfield = createText(composite, browser.getLocation(), s -> {
browser.setLocation(s);
validateFields();
}, false);
browserLocationTextfield.setFont(font);
browseButton = SWTUtil.createButton(composite, Messages.browse);
browseButton.setFont(font);
browseButton.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
FileDialog dialog = new FileDialog(getShell(), SWT.OPEN);
dialog.setText(Messages.browseMessage);
String fname = browserLocationTextfield.getText();
dialog.setFileName(fname);
fname = dialog.open();
if (fname != null)
browserLocationTextfield.setText(fname);
}));
SWTUtil.createLabel(composite, Messages.parameters).setFont(font);
browserParametersTextfield = createText(composite, browser.getParameters(), s -> browser.setParameters(s),
true);
browserParametersTextfield.setFont(font);
new Label(composite, SWT.NONE);
new Label(composite, SWT.NONE);
Label urlLabel = new Label(composite, SWT.NONE);
urlLabel.setText(NLS.bind(Messages.parametersMessage, IBrowserDescriptor.URL_PARAMETER));
urlLabel.setFont(font);
return composite;
}
@Override
protected void okPressed() {
// do simple field validation to at least ensure target directory entered is valid pathname
try {
File file = new File(browser.getLocation());
if (!(file.isFile() || (Util.isMac() && ExternalBrowserInstance.isMacAppBundle(file)))) {
WebBrowserUtil.openError(Messages.locationInvalid);
return;
}
}
catch(Exception e){
WebBrowserUtil.openError(Messages.locationInvalid);
return;
}
browser.save();
super.okPressed();
}
private void setOKButtonEnabled(boolean curIsEnabled) {
if (okButton == null)
okButton = getButton(IDialogConstants.OK_ID);
if (okButton != null)
okButton.setEnabled(curIsEnabled);
}
@Override
protected Control createButtonBar(Composite parent) {
Control buttonControl = super.createButtonBar(parent);
validateFields();
return buttonControl;
}
protected void validateFields() {
boolean valid = true;
String name = browserNameTextfield.getText();
if (name == null || name.trim().length() < 1)
valid = false;
String location = browserLocationTextfield.getText();
if (location == null || location.trim().length() < 1)
valid = false;
setOKButtonEnabled(valid);
}
}