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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.examples.browser.demos.views;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
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.Group;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Sash;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Widget;
public class EditorTab {
Browser browser;
Text htmlText, scriptText;
Button htmlButton, scriptButton;
static String html =
"<html>\r\n"+
" <body>\r\n"+
" <h1 id='myid'>HTML Document</h1>\r\n"+
" <h2>Set HTML content</h2>\r\n"+
" <ol>\r\n"+
" <li>Enter html data into the 'setText' pane</li>\r\n"+
" <li>Click on 'setText' to set the new content</li>\r\n"+
" </ol>\r\n"+
" <h2>Query or modify HTML document</h2>\r\n"+
" <ol>\r\n"+
" <li>Enter javascript commands into the 'execute' pane</li>\r\n"+
" <li>Click on 'execute' to run the javascript in the current document</li>\r\n"+
" </ol>\r\n"+
" </body>\r\n"+
"</html>";
static String script =
"var node = document.createElement('P');\r\n"+
"var text = document.createTextNode('Content inserted!');\r\n"+
"node.appendChild(text);\r\n"+
"document.getElementById('myid').appendChild(node);\r\n\r\n"+
"document.bgColor = 'yellow';";
public EditorTab(TabItem item) {
final Composite parent = new Composite(item.getParent(), SWT.NONE);
item.setText("Editor");
item.setControl(parent);
try {
browser = new Browser(parent, SWT.NONE);
} catch (SWTError e) {
e.printStackTrace();
return;
}
final Sash sash = new Sash(parent, SWT.VERTICAL);
Composite panel = new Composite(parent, SWT.NONE);
final FormLayout form = new FormLayout();
parent.setLayout(form);
FormData data = new FormData();
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(sash, 0);
data.top = new FormAttachment(0, 0);
data.bottom = new FormAttachment(100, 0);
browser.setLayoutData(data);
final FormData sashData = new FormData();
sashData.left = new FormAttachment(50, 0);
sashData.top = new FormAttachment(0, 0);
sashData.bottom = new FormAttachment(100, 0);
sash.setLayoutData(sashData);
sash.addListener(SWT.Selection, e -> {
Rectangle rect = sash.getBounds();
Rectangle parentRect = sash.getParent().getClientArea();
int right = parentRect.width - rect.width - 20;
e.x = Math.max(Math.min(e.x, right), 20);
if (e.x != rect.x) {
sashData.left = new FormAttachment(0, e.x);
parent.layout();
}
});
data = new FormData();
data.left = new FormAttachment(sash, 0);
data.right = new FormAttachment(100, 0);
data.top = new FormAttachment(0, 0);
data.bottom = new FormAttachment(100, 0);
panel.setLayoutData(data);
/* Initialize Panel */
panel.setLayout(new FillLayout(SWT.VERTICAL));
Group htmlGroup = new Group(panel, SWT.NONE);
htmlGroup.setText("setText");
htmlText = new Text(htmlGroup, SWT.MULTI);
htmlButton = new Button(htmlGroup, SWT.PUSH);
htmlButton.setText("setText");
GridLayout gridLayout = new GridLayout();
htmlGroup.setLayout(gridLayout);
GridData gridData = new GridData();
gridData.horizontalAlignment = GridData.FILL;
gridData.verticalAlignment = GridData.FILL;
gridData.grabExcessHorizontalSpace = true;
gridData.grabExcessVerticalSpace = true;
htmlText.setLayoutData(gridData);
gridData = new GridData();
gridData.horizontalAlignment = GridData.END;
htmlButton.setLayoutData(gridData);
htmlGroup.layout();
Group scriptGroup = new Group(panel, SWT.NONE);
scriptGroup.setText("execute");
scriptText = new Text(scriptGroup, SWT.MULTI);
scriptButton = new Button(scriptGroup, SWT.PUSH);
scriptButton.setText("execute");
gridLayout = new GridLayout();
scriptGroup.setLayout(gridLayout);
gridData = new GridData();
gridData.horizontalAlignment = GridData.FILL;
gridData.verticalAlignment = GridData.FILL;
gridData.grabExcessHorizontalSpace = true;
gridData.grabExcessVerticalSpace = true;
scriptText.setLayoutData(gridData);
gridData = new GridData();
gridData.horizontalAlignment = GridData.END;
scriptButton.setLayoutData(gridData);
scriptGroup.layout();
browser.setText(html);
htmlText.setText(html);
scriptText.setText(script);
parent.layout();
Listener listener = e -> {
Widget w = e.widget;
if (w == htmlButton) browser.setText(htmlText.getText());
if (w == scriptButton) browser.execute(scriptText.getText());
};
htmlButton.addListener(SWT.Selection, listener);
scriptButton.addListener(SWT.Selection, listener);
}
}
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