/**
* Updates the visual of the given TableItem according to its IPathManager.
*
* @param item TableItem whose visual needs to be updated
*/
private void updateTableItem(TableItem item) {
AVRPathManager path = (AVRPathManager) item.getData();
// add warn / error icons if path is empty / invalid
boolean valid = path.isValid();
boolean optional = path.isOptional();
boolean empty = (path.getPath().isEmpty());
if (valid && !empty) {
// valid path
item.setImage((Image) null);
} else if ((valid && empty) || (!valid && optional)) {
// valid but empty path or invalid and optional path (use for optional paths)
item.setImage(
PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJS_WARN_TSK));
} else {
// Path is invalid
item.setImage(
PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJS_ERROR_TSK));
}
item.setText(COLUMN_NAME, path.getName());
item.setText(COLUMN_TYPE, path.getSourceType().toString());
item.setText(COLUMN_PATH, path.getPath().toOSString());
// Adjust color/font according to source type
switch (path.getSourceType()) {
case System:
item.setFont(COLUMN_TYPE, fDialogFont);
item.setFont(COLUMN_PATH, fDialogFont);
item.setForeground(COLUMN_PATH, fTable.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY));
break;
case Bundled:
item.setFont(COLUMN_TYPE, fDialogFont);
item.setFont(COLUMN_PATH, fDialogFont);
item.setForeground(COLUMN_PATH, fTable.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY));
break;
case Custom:
item.setFont(COLUMN_TYPE, fBoldFont);
item.setFont(COLUMN_PATH, fBoldFont);
item.setForeground(COLUMN_PATH, fTable.getDisplay().getSystemColor(SWT.COLOR_BLACK));
}
// Updates the table layout.
fTable.getColumn(COLUMN_NAME).pack();
fTable.getColumn(COLUMN_TYPE).pack();
fTable.getColumn(COLUMN_PATH).pack();
fTable.layout();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.preference.FieldEditor#refreshValidState()
*/
@Override
protected void refreshValidState() {
super.refreshValidState();
// Get all TableItems, extract their IPathManager and check
// if it is valid and not optional.
// If any one IPathManager is invalid, the
// valid boolean is set to false and an error message indicating
// the culprit is shown.
TableItem[] allitems = fTable.getItems();
boolean oldValid = fValid;
boolean newValid = true;
String invalidPath = null;
for (TableItem ti : allitems) {
AVRPathManager pathitem = (AVRPathManager) ti.getData();
if (!pathitem.isValid() && !pathitem.isOptional()) {
newValid = false;
invalidPath = pathitem.getName();
}
}
// Updates validity and error message.
fValid = newValid;
if (fValid == false) {
showErrorMessage("Path for '" + invalidPath + "' is not valid");
} else {
clearErrorMessage();
}
// Send some notifications.
if (newValid != oldValid) {
fireStateChanged(IS_VALID, oldValid, newValid);
}
}