Révision 1811
| tmp/org.txm.chartsengine.rcp/src/org/txm/chartsengine/rcp/swt/SwingChartComposite.java (revision 1811) | ||
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import java.awt.datatransfer.DataFlavor; |
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import java.awt.datatransfer.Transferable; |
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import java.awt.datatransfer.UnsupportedFlavorException; |
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import java.awt.event.FocusEvent; |
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import java.awt.event.FocusListener; |
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import java.awt.event.WindowEvent; |
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import java.awt.event.WindowFocusListener; |
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import java.awt.image.BufferedImage; |
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import java.io.IOException; |
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import java.lang.reflect.Method; |
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// SJ: Workaround to fix a bug with some Java version and some OS where the focus of an embedded Swing component does not delegate to SWT, eg. the Part is not activated. |
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// see: https://bugs.eclipse.org/bugs/show_bug.cgi?id=377104 |
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// see: https://bugs.java.com/bugdatabase/view_bug.do?bug_id=JDK-8203855 |
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this.frame.addWindowListener(new java.awt.event.WindowAdapter() {
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// this.frame.addWindowListener(new java.awt.event.WindowAdapter() {
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// @Override |
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// public void windowActivated(java.awt.event.WindowEvent e) {
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// SwingChartComposite.this.getDisplay().asyncExec(new Runnable() {
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// @Override |
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// public void run() {
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// if (Display.getCurrent().getFocusControl() == SwingChartComposite.this) {
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// Stack<Control> stack = new Stack<Control>(); |
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// Control starter = SwingChartComposite.this; |
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// Shell shell = SwingChartComposite.this.getShell(); |
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// while (starter != null && !(starter instanceof Shell)) {
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// stack.push(starter.getParent()); |
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// starter = starter.getParent(); |
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// } |
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// |
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// Method m = null; |
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// try {
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// // instead of calling the originally proposed |
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// // workaround solution (below), |
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// // |
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// // Event event = new Event(); |
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// // event.display = Display.getCurrent(); |
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// // event.type = SWT.Activate; |
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// // event.widget = stack.pop(); |
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// // event.widget.notifyListeners(SWT.Activate, event); |
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// // |
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// // which should but does NOT set the active |
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// // widget/control on the shell, we had |
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// // to call the setActiveControl method directly. |
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// // Updating the active control on the shell is |
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// // important so that the last active |
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// // control, when selected again, get the proper |
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// // activation events fired. |
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// |
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// m = shell.getClass().getDeclaredMethod("setActiveControl", Control.class);// $NON-NLS-1$
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// m.setAccessible(true); |
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// while (!stack.isEmpty()) {
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// m.invoke(shell, stack.pop()); |
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// } |
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// |
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// // force the Swing component focus |
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// //setFocus(); |
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// |
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// } |
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// catch (Exception e) {
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// Log.severe("** Embedded part was not able to set active control on Shell. This will result in other workbench parts not getting activated."); //$NON-NLS-1$
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// Log.printStackTrace(e); |
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// } |
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// finally {
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// if (m != null) {
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// m.setAccessible(false); |
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// } |
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// } |
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// } |
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// } |
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// }); |
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// } |
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// }); |
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this.frame.addFocusListener(new FocusListener() {
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@Override |
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public void windowActivated(java.awt.event.WindowEvent e) {
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SwingChartComposite.this.getDisplay().asyncExec(new Runnable() {
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@Override |
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public void run() {
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if (Display.getCurrent().getFocusControl() == SwingChartComposite.this) {
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Stack<Control> stack = new Stack<Control>(); |
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Control starter = SwingChartComposite.this; |
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Shell shell = SwingChartComposite.this.getShell(); |
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while (starter != null && !(starter instanceof Shell)) {
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stack.push(starter.getParent()); |
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starter = starter.getParent(); |
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} |
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public void focusLost(FocusEvent e) {
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// TODO Auto-generated method stub |
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System.out.println("SwingChartComposite.SwingChartComposite(...).new FocusListener() {...}.focusLost()");
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} |
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@Override |
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public void focusGained(FocusEvent e) {
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// TODO Auto-generated method stub |
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System.out.println("SwingChartComposite.SwingChartComposite(...).new FocusListener() {...}.focusGained()");
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} |
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}); |
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Method m = null; |
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try {
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// instead of calling the originally proposed |
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// workaround solution (below), |
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// |
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// Event event = new Event(); |
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// event.display = Display.getCurrent(); |
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// event.type = SWT.Activate; |
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// event.widget = stack.pop(); |
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// event.widget.notifyListeners(SWT.Activate, |
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// event); |
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// |
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// which should but does NOT set the active |
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// widget/control on the shell, we had |
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// to call the setActiveControl method directly. |
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// Updating the active control on the shell is |
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// important so that the last active |
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// control, when selected again, get the proper |
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// activation events fired. |
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m = shell.getClass().getDeclaredMethod("setActiveControl", Control.class);// $NON-NLS-1$
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m.setAccessible(true); |
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while (!stack.isEmpty()) {
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m.invoke(shell, stack.pop()); |
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} |
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// force the Swing component focus |
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//setFocus(); |
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} |
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catch (Exception e) {
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Log.severe("** Embedded part was not able to set active control on Shell. This will result in other workbench parts not getting activated."); //$NON-NLS-1$
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Log.printStackTrace(e); |
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} |
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finally {
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if (m != null) {
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m.setAccessible(false); |
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} |
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} |
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} |
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} |
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}); |
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this.frame.addWindowFocusListener(new WindowFocusListener() {
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@Override |
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public void windowLostFocus(WindowEvent e) {
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// TODO Auto-generated method stub |
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System.out.println("SwingChartComposite.SwingChartComposite(...).new WindowFocusListener() {...}.windowLostFocus()");
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} |
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@Override |
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public void windowGainedFocus(WindowEvent e) {
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// TODO Auto-generated method stub |
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System.out.println("SwingChartComposite.SwingChartComposite(...).new WindowFocusListener() {...}.windowGainedFocus()");
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} |
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}); |
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} |
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@Override |
Formats disponibles : Unified diff