/*****************************************************************************
* Copyright (c) 2015, 2016 CEA LIST.
*
* 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:
* Dirk Fauth <dirk.fauth@googlemail.com> - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.nebula.widgets.richtext.example;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.nebula.widgets.richtext.RichTextEditor;
import org.eclipse.nebula.widgets.richtext.RichTextEditorConfiguration;
import org.eclipse.nebula.widgets.richtext.toolbar.ToolbarButton;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
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.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class RichTextEditorExample {
boolean buttonVisible = false;
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.setText("SWT Rich Text Editor example");
shell.setSize(800, 600);
shell.setLayout(new GridLayout(1, true));
RichTextEditorExample example = new RichTextEditorExample();
example.createControls(shell);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
public void createControls(Composite parent) {
parent.setLayout(new GridLayout(1, true));
final RichTextEditor editor = new RichTextEditor(parent);
GridDataFactory.fillDefaults().grab(true, true).applyTo(editor);
final Text htmlOutput = new Text(parent,
SWT.MULTI | SWT.BORDER | SWT.WRAP | SWT.V_SCROLL | SWT.READ_ONLY);
GridDataFactory.fillDefaults().grab(true, false).hint(SWT.DEFAULT, 100).applyTo(htmlOutput);
editor.addModifyListener(new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
htmlOutput.setText(editor.getText());
}
});
editor.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
System.out.println("keycode: " + e.keyCode);
System.out.println("character: " + e.character);
}
});
editor.addToolbarButton(new ToolbarButton("jsButton",
"myScriptCommand", "Execute Javascript", "other,0",
RichTextEditorExample.class.getResource("images/environment_co.gif")) {
@Override
public String getJavascriptToExecute() {
return "alert('Javascript call')";
}
});
// add additional controls for showing interactions
createControlPanel(parent, editor);
}
protected void createControlPanel(Composite parent, final RichTextEditor editor) {
Composite controlPanel = new Composite(parent, SWT.NONE);
controlPanel.setLayout(new GridLayout(3, false));
GridDataFactory.fillDefaults().grab(true, false).applyTo(controlPanel);
Label inputLabel = new Label(controlPanel, SWT.NONE);
inputLabel.setText("Text to set:");
GridDataFactory.fillDefaults().applyTo(inputLabel);
final Text input = new Text(controlPanel, SWT.BORDER);
GridDataFactory.fillDefaults().grab(true, false).applyTo(input);
input.addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent e) {
if (e.keyCode == SWT.CR || e.keyCode == SWT.KEYPAD_CR) {
editor.setText(input.getText());
}
}
});
Button setButton = new Button(controlPanel, SWT.PUSH);
setButton.setText("Set Text");
GridDataFactory.defaultsFor(setButton).applyTo(setButton);
setButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
editor.setText(input.getText());
}
});
Composite buttonPanel = new Composite(controlPanel, SWT.NONE);
buttonPanel.setLayout(new RowLayout());
GridDataFactory.fillDefaults().grab(true, false).span(3, 1).applyTo(buttonPanel);
Button getButton = new Button(buttonPanel, SWT.PUSH);
getButton.setText("Get text");
getButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
MessageDialog.openInformation(null, "Editor Input",
editor.getText());
}
});
final Button enableButton = new Button(buttonPanel, SWT.PUSH);
enableButton.setText("Disable");
enableButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
boolean editable = editor.isEditable();
editor.setEditable(!editable);
enableButton.setText(editable ? "Enable" : "Disable");
}
});
final Button updateButton = new Button(buttonPanel, SWT.PUSH);
updateButton.setText("Update Toolbar");
final ToolbarButton button = new ToolbarButton("javaButton",
"myJavaCommand", "Execute Java", "other",
RichTextEditorExample.class.getResource("images/debug_exc.gif")) {
@Override
public Object execute() {
MessageDialog.openInformation(null, "Information",
"Java callback: " + editor.getSelectedHTML());
editor.insertHTML("<em>" + editor.getSelectedHTML() + "</em>");
return null;
}
};
updateButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
if (!buttonVisible) {
editor.addToolbarButton(button);
} else {
editor.removeToolbarButton(button);
}
buttonVisible = !buttonVisible;
editor.updateToolbar();
}
});
Button setFocusButton = new Button(buttonPanel, SWT.PUSH);
setFocusButton.setText("Set Focus");
setFocusButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
editor.setFocus();
}
});
Button changeLocaleButton = new Button(buttonPanel, SWT.PUSH);
changeLocaleButton.setText("Change Locale");
changeLocaleButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
Object currentLang =
editor.getEditorConfiguration().getAllOptions().get(RichTextEditorConfiguration.LANGUAGE);
if ("de".equals(currentLang)) {
editor.setLanguage("en");
} else {
editor.setLanguage("de");
}
}
});
}
}