/* (non-Javadoc)
* @see org.eclipse.swt.widgets.Layout#computeSize(org.eclipse.swt.widgets.Composite, int, int, boolean)
*/
@Override
protected Point computeSize(Composite composite, int whint, int hhint, boolean flushCache) {
int minX = Integer.MAX_VALUE;
int minY = Integer.MAX_VALUE;
int maxX = Integer.MIN_VALUE;
int maxY = Integer.MIN_VALUE;
for (Control kid : composite.getChildren()) {
Point kidSize = kid.computeSize(-1, -1);
Point kidOffs = kid.getLocation();
if (kidOffs.x < minX) minX = kidOffs.x;
if (kidOffs.y < minY) minY = kidOffs.y;
if (kidOffs.x + kidSize.x > maxX) maxX = kidOffs.x + kidSize.x;
if (kidOffs.y + kidSize.y > maxY) maxY = kidOffs.y + kidSize.y;
}
if (whint > 0) {
if (whint + minX > maxX) maxX = whint + minX;
}
if (hhint > 0) {
if (hhint + minY > maxY) maxY = hhint + minY;
}
return new Point(maxX - minX, maxY - minY);
}
public static boolean isVisible(Control c) {
if (c.getParent() == null) return true;
Rectangle displayRect = c.getDisplay().getBounds();
Point loc = c.getLocation();
loc = c.getParent().toDisplay(loc);
Point size = c.getSize();
if (!displayRect.intersects(loc.x, loc.y, size.x, size.y)) return false;
if (c.getParent() == null) return true;
Rectangle r = getVisibleRectangleInParent(c);
return r != null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.dialogs.PopupDialog.adjustBounds()
*/
protected void adjustBounds() {
// Get our control's location in display coordinates.
Point location = control.getDisplay().map(control.getParent(), null, control.getLocation());
int initialX = location.x + POPUP_OFFSET;
int initialY = location.y + control.getSize().y + POPUP_OFFSET;
// If we are inserting content, use the cursor position to
// position the control.
if (adapter.getProposalAcceptanceStyle() == ContentProposalAdapter.PROPOSAL_INSERT) {
Rectangle insertionBounds = adapter.getControlContentAdapter().getInsertionBounds(control);
initialX = initialX + insertionBounds.x;
initialY = location.y + insertionBounds.y + insertionBounds.height;
}
// If there is no specified size, force it by setting
// up a layout on the table.
if (popupSize == null) {
GridData data = new GridData(GridData.FILL_BOTH);
data.heightHint = proposalTable.getItemHeight() * POPUP_CHAR_HEIGHT;
data.widthHint = Math.max(control.getSize().x, POPUP_MINIMUM_WIDTH);
proposalTable.setLayoutData(data);
getShell().pack();
popupSize = getShell().getSize();
}
// Constrain to the display
Rectangle constrainedBounds =
getConstrainedShellBounds(new Rectangle(initialX, initialY, popupSize.x, popupSize.y));
// If there has been an adjustment causing the popup to overlap
// with the control, then put the popup above the control.
if (constrainedBounds.y < initialY)
getShell().setBounds(initialX, location.y - popupSize.y, popupSize.x, popupSize.y);
else getShell().setBounds(initialX, initialY, popupSize.x, popupSize.y);
// Now set up a listener to monitor any changes in size.
getShell()
.addListener(
SWT.Resize,
new Listener() {
public void handleEvent(Event e) {
popupSize = getShell().getSize();
if (infoPopup != null) {
infoPopup.adjustBounds();
}
}
});
}
@Override
public Point getLocation(Point tipSize, Event event) {
Point location = control.getLocation();
return control.getParent().toDisplay(location.x, location.y + control.getSize().y + 5);
}
@Override
public void run() {
// Get the last-used directory for polygon region models from the preferences.
final String directory =
_preferencesStore.get(_preferencesString, Utilities.getWorkingDirectory());
// Create the file selection dialog.
Shell shell = new Shell(Display.getCurrent());
FileDialog dialog = new FileDialog(shell, SWT.OPEN);
dialog.setFilterPath(directory);
dialog.setFilterNames(
new String[] {
"ABAVO Polygon Model (*." + PolygonRegionsModel.FILE_EXTENSION + ")",
"Old ABAVO Polygon Model (*." + PolygonRegionsModel.FILE_EXTENSION_OLD + ")"
});
dialog.setFilterExtensions(
new String[] {
"*." + PolygonRegionsModel.FILE_EXTENSION, "*." + PolygonRegionsModel.FILE_EXTENSION_OLD
});
dialog.setText("Load Polygon Model");
shell.setLocation(_parent.getLocation());
// Open the file selection dialog and get the result.
String result = dialog.open();
if (result != null && result.length() > 0) {
File file = new File(result);
// Check the file extension.
boolean validFile = file.getAbsolutePath().endsWith("." + PolygonRegionsModel.FILE_EXTENSION);
boolean validFileOld =
file.getAbsolutePath().endsWith("." + PolygonRegionsModel.FILE_EXTENSION_OLD);
if (!validFile && !validFileOld) {
// Show the user an error message.
UserAssistMessageBuilder message = new UserAssistMessageBuilder();
message.setDescription("Unable to read polygon model file.");
message.addReason("Invalid file type.");
message.addSolution(
"Select a valid polygon model file (*." + PolygonRegionsModel.FILE_EXTENSION + ").");
MessageDialog.openError(shell, "File I/O Error", message.toString());
} else {
boolean rescalePolygons =
MessageDialog.openQuestion(
shell, "Rescale Polygons", "Rescale polygons to plot maximum?");
try {
// Store the directory location in the preferences.
_preferencesStore.put(_preferencesString, file.getParent());
PreferencesUtil.saveInstanceScopePreferences(ServiceComponent.PLUGIN_ID);
// Read the model from the file.
if (validFile) {
_model.readSession(file, rescalePolygons);
} else if (validFileOld) {
_model.readSessionOld(file, rescalePolygons);
}
String message = "Polygon regions model loaded:\n\'" + file.getAbsolutePath() + "\'";
MessageDialog.openInformation(shell, "File I/O", message);
} catch (Exception ex) {
// Show the user an error message.
UserAssistMessageBuilder message = new UserAssistMessageBuilder();
message.setDescription("Unable to read polygon model file.");
message.addReason(ex.toString());
MessageDialog.openError(shell, "File I/O Error", message.toString());
}
}
}
shell.dispose();
}