| /******************************************************************************* |
| * Copyright (c) 2015 Vidura Mudalige and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * Vidura Mudalige - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ease.ui.help.hovers; |
| |
| import java.awt.Dimension; |
| import java.awt.MouseInfo; |
| import java.awt.Toolkit; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.browser.Browser; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Combo; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Tracker; |
| |
| public class EditorToolTipDecorator extends org.eclipse.jface.window.ToolTip { |
| |
| private Browser fBrowser; |
| private Combo fInputCombo; |
| |
| public EditorToolTipDecorator(Control control) { |
| super(control); |
| } |
| |
| public void setInputCombo(Combo fInputCombo) { |
| this.fInputCombo = fInputCombo; |
| } |
| |
| @Override |
| public Composite createToolTipContentArea(Event event, Composite parent) { |
| GridLayout gridLayout = new GridLayout(1, true); |
| gridLayout.marginWidth = 8; |
| gridLayout.marginHeight = 8; |
| |
| final Composite composite = new Composite(parent, SWT.NONE); |
| composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); |
| composite.setLayout(gridLayout); |
| |
| fBrowser = new Browser(composite, SWT.NONE); |
| |
| // calculate toolTipText using EditorToolTipGenerator |
| final String toolTipText = EditorToolTipGenerator.getToolTipText(EditorToolTipGenerator.getSelectedToken(fInputCombo)); |
| |
| final String theText = "<html>" + toolTipText + "</html>"; |
| fBrowser.setText(theText); |
| |
| java.awt.Point location = MouseInfo.getPointerInfo().getLocation(); |
| Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); |
| Point relativeLocation = composite.toDisplay((int) location.getX(), (int) location.getY()); |
| int x = location.x; |
| int y = location.y; |
| if (relativeLocation.x + 616 > screenSize.getWidth()) { |
| x -= (int) (relativeLocation.x + 616 - screenSize.getWidth()); |
| } |
| if (relativeLocation.y + 216 > screenSize.getHeight()) { |
| y -= (int) (relativeLocation.y + 216 - screenSize.getHeight()); |
| } |
| |
| composite.getShell().setBounds(x, y, 616, 216); |
| fBrowser.setSize(600, 170); |
| |
| if (toolTipText != null) { |
| composite.getShell().open(); |
| } |
| |
| composite.addListener(SWT.MouseDown, new Listener() { |
| |
| public void handleEvent(Event e) { |
| |
| Tracker tracker = new Tracker(composite.getParent(), SWT.RESIZE); |
| tracker.setStippled(true); |
| Rectangle rect = composite.getBounds(); |
| tracker.setRectangles(new Rectangle[] { rect }); |
| if (tracker.open()) { |
| Rectangle after = tracker.getRectangles()[0]; |
| composite.getShell().setSize(after.width + 20, after.height + 20); |
| fBrowser.setSize(after.width + 20 - 16, after.height + 20 - 46); |
| } |
| tracker.dispose(); |
| } |
| }); |
| |
| while (!composite.getShell().isDisposed()) { |
| if (!composite.getShell().getDisplay().readAndDispatch()) { |
| composite.getShell().getDisplay().sleep(); |
| } |
| } |
| composite.getShell().getDisplay().dispose(); |
| |
| composite.pack(); |
| return composite; |
| } |
| } |
