examples/org.eclipse.swt.examples.browser.demos/src/org/eclipse/swt/examples/browser/demos/views/EditorTab.java - platform/eclipse.platform.swt - Git at Google

 /*******************************************************************************
  * 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);
 	}
 }
	/*******************************************************************************
	* 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);
	}
	}