X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=swt%2Forg.argeo.cms.swt%2Fsrc%2Forg%2Fargeo%2Fcms%2Fswt%2Fdialogs%2FLightweightDialog.java;h=d74be6aa20c59c3ba4348c56f680f438a3514987;hb=e018ad9078249a806f2e2ef86a6adcbd8cca3188;hp=bf6417beadd3baf911407cd57e6665c946649698;hpb=7b242851c0094d13cbaca5b68261ad92c873a59f;p=lgpl%2Fargeo-commons.git

diff --git a/swt/org.argeo.cms.swt/src/org/argeo/cms/swt/dialogs/LightweightDialog.java b/swt/org.argeo.cms.swt/src/org/argeo/cms/swt/dialogs/LightweightDialog.java
index bf6417bea..d74be6aa2 100644
--- a/swt/org.argeo.cms.swt/src/org/argeo/cms/swt/dialogs/LightweightDialog.java
+++ b/swt/org.argeo.cms.swt/src/org/argeo/cms/swt/dialogs/LightweightDialog.java
@@ -29,13 +29,15 @@ public class LightweightDialog {
 	private Shell backgroundShell;
 	private Shell foregoundShell;
 
+	private Display display;
+
 	private Integer returnCode = null;
 	private boolean block = true;
 
 	private String title;
 
 	/** Tries to find a display */
-	private static Display getDisplay() {
+	static Display findDisplay() {
 		try {
 			Display display = Display.getCurrent();
 			if (display != null)
@@ -52,6 +54,7 @@ public class LightweightDialog {
 	}
 
 	public int open() {
+		display = findDisplay();
 		if (foregoundShell != null)
 			throw new EclipseUiException("There is already a shell");
 		backgroundShell = new Shell(parentShell, SWT.ON_TOP);
@@ -61,7 +64,7 @@ public class LightweightDialog {
 		// } else
 		// backgroundShell.setMaximized(true);
 		backgroundShell.setAlpha(128);
-		backgroundShell.setBackground(getDisplay().getSystemColor(SWT.COLOR_BLACK));
+		backgroundShell.setBackground(display.getSystemColor(SWT.COLOR_BLACK));
 		foregoundShell = new Shell(backgroundShell, SWT.NO_TRIM | SWT.ON_TOP);
 		if (title != null)
 			setTitle(title);
@@ -71,7 +74,7 @@ public class LightweightDialog {
 		// shell.pack();
 		// shell.layout();
 
-		Rectangle shellBounds = parentShell != null ? parentShell.getBounds() : Display.getCurrent().getBounds();// RAP
+		Rectangle shellBounds = parentShell != null ? parentShell.getBounds() : display.getBounds();// RAP
 		Point dialogSize = foregoundShell.getSize();
 		int x = shellBounds.x + (shellBounds.width - dialogSize.x) / 2;
 		int y = shellBounds.y + (shellBounds.height - dialogSize.y) / 2;
@@ -113,6 +116,7 @@ public class LightweightDialog {
 					closeShell(CANCEL);
 			}
 		});
+		backgroundShell.addDisposeListener((event) -> onClose());
 
 		if (block) {
 			block();
@@ -141,6 +145,10 @@ public class LightweightDialog {
 		return foregoundShell.getShells().length != 0;
 	}
 
+	protected void onClose() {
+
+	}
+
 	// public synchronized int openAndWait() {
 	// open();
 	// while (returnCode == null)
@@ -175,9 +183,6 @@ public class LightweightDialog {
 	}
 
 	protected Point getInitialSize() {
-		// if (exception != null)
-		// return new Point(800, 600);
-		// else
 		return new Point(600, 400);
 	}
 
@@ -252,4 +257,8 @@ public class LightweightDialog {
 		return returnCode;
 	}
 
+	Display getDisplay() {
+		return display;
+	}
+
 }
\ No newline at end of file