/**
* Construct the window.
*
* @param display
*/
public ExceptionWindow(Display display, Exception ex) {
this.display = display;
this.ex = ex;
showDetails = false;
detailsSwitched = false;
shell = new Shell(display, SWT.MAX | SWT.CLOSE | SWT.RESIZE | SWT.APPLICATION_MODAL);
try {
shell.setText(Resources.getStr(this, "title"));
} catch (ResourceException rex) {
shell.setText("Medley error");
}
// on close remember last height of stack trace window
shell.addShellListener(
new ShellAdapter() {
public void shellClosed(ShellEvent e) {
detailsHeight = stackTrace.getSize().y;
}
});
FormLayout layout = new FormLayout();
shell.setLayout(layout);
initWidgets();
}
/** Initialize the widgets in the window. */
protected void initWidgets() {
shell.setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
// error icon
final Image imgErr = new Image(display, "img/error.gif");
errorIcon = new Canvas(shell, SWT.NO_REDRAW_RESIZE);
errorIcon.addPaintListener(
new PaintListener() {
public void paintControl(PaintEvent e) {
e.gc.drawImage(imgErr, 0, 0);
}
});
// create the label containing error message
errorMessage = new Label(shell, SWT.WRAP);
try {
errorMessage.setText(
(ex.getMessage() == null) ? Resources.getStr(this, "unknownError") : ex.getMessage());
} catch (ResourceException ex) {
errorMessage.setText(
(ex.getMessage() == null) ? "Unknown error (see details)." : ex.getMessage());
}
errorMessage.pack();
// the OK button
okButton = new Button(shell, SWT.PUSH);
try {
okButton.setText(Resources.getStr(this, "close"));
} catch (ResourceException ex) {
okButton.setText("&Close");
}
okButton.addListener(
SWT.Selection,
new Listener() {
public void handleEvent(Event e) {
shell.close();
}
});
// the Details button
detailsButton = new Button(shell, SWT.PUSH);
try {
detailsButton.setText(Resources.getStr(this, showDetails ? "detailsOpen" : "detailsClosed"));
} catch (ResourceException ex) {
detailsButton.setText(showDetails ? "&Details <<" : "&Details >>");
}
// final boolean s = showDetails;
final Button fbtn = detailsButton;
detailsButton.addListener(
SWT.Selection,
new Listener() {
public void handleEvent(Event e) {
showDetails = !showDetails;
detailsSwitched = true;
setLayout();
detailsSwitched = false;
try {
fbtn.setText(Resources.getStr(this, showDetails ? "detailsOpen" : "detailsClosed"));
} catch (ResourceException ex) {
fbtn.setText(showDetails ? "&Details <<" : "&Details >>");
}
}
});
// the text area with stack trace
stackTrace =
new Text(shell, SWT.BORDER | SWT.READ_ONLY | SWT.MULTI | SWT.HORIZONTAL | SWT.VERTICAL);
StringWriter buf = new StringWriter();
ex.printStackTrace(new PrintWriter(buf));
stackTrace.setText(buf.toString());
errorMessage.pack();
setLayout();
}
/**
* Initialise widgets in pane.
*
* @throws MedleyException
*/
protected void initWidgets() throws MedleyException {
table = new Table(this, SWT.BORDER | SWT.FULL_SELECTION);
table.setLinesVisible(false);
table.setHeaderVisible(true);
// add columns
TableColumn column = new TableColumn(table, SWT.NULL);
column.setText(Resources.getStr(this, "value"));
column.setWidth(120);
column = new TableColumn(table, SWT.NULL);
column.setText(Resources.getStr(this, "actions"));
column.setWidth(Settings.ACTION_COLUMN_WIDTH);
column.setResizable(false);
// fill in table contents and refresh cache
refresh();
final TableEditor valueEditor = new TableEditor(table);
valueEditor.grabHorizontal = true;
final TableEditor deleteEditor = new TableEditor(table);
deleteEditor.grabHorizontal = true;
table.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
// Clean up any previous editor control
Control oldEditor = valueEditor.getEditor();
if (oldEditor != null) oldEditor.dispose();
oldEditor = deleteEditor.getEditor();
if (oldEditor != null) oldEditor.dispose();
// Identify the selected row
final TableItem titem = (TableItem) e.item;
final int tagValueId = ((Integer) titem.getData(ID)).intValue();
if (titem == null) return;
// the editor for group name
Text name = new Text(table, SWT.FLAT);
name.setText(titem.getText(COL_VALUE));
name.addFocusListener(
new FocusAdapter() {
public void focusLost(FocusEvent ev) {
Text txt = (Text) valueEditor.getEditor();
valueEditor.getItem().setText(COL_VALUE, txt.getText());
// save the change to the model
try {
// update the tag group name
TagValue tv = new TagValue(tagValueId);
tv.setValue(txt.getText());
tv.dispose();
} catch (MedleyException ex) {
(new ExceptionWindow(getDisplay(), ex)).show();
}
}
});
valueEditor.setEditor(name, titem, COL_VALUE);
// the delete button
Button button = new Button(table, SWT.FLAT);
try {
button.setText(Resources.getStr(this, "delete"));
} catch (ResourceException ex) {
(new ExceptionWindow(getDisplay(), ex)).show();
}
button.addListener(
SWT.Selection,
new Listener() {
public void handleEvent(Event e) {
try {
TagValue.delete(tagValueId);
} catch (MedleyException ex) {
(new ExceptionWindow(getDisplay(), ex)).show();
}
table.remove(table.indexOf(titem));
table.deselectAll();
valueEditor.getEditor().dispose();
deleteEditor.getEditor().dispose();
}
});
deleteEditor.setEditor(button, titem, COL_DELETE);
}
});
if (table.getItemCount() > 0) {
TableColumn[] cols = table.getColumns();
for (int i = 0; i < cols.length; i++) {
if (cols[i].getResizable()) {
cols[i].pack();
}
}
}
table.setSize(table.computeSize(SWT.DEFAULT, 200));
FormData data = new FormData();
data.top = new FormAttachment(0, Settings.MARGIN_TOP);
data.bottom =
new FormAttachment(
100, -Settings.MARGIN_BOTTOM - Settings.BUTTON_HEIGHT - Settings.ITEM_SPACING_V);
data.left = new FormAttachment(0, Settings.MARGIN_LEFT);
data.right = new FormAttachment(100, -Settings.MARGIN_RIGHT);
table.setLayoutData(data);
// add value button
addValueBtn = new Button(this, SWT.NONE);
addValueBtn.setText(Resources.getStr(this, "addTagValue"));
addValueBtn.addListener(
SWT.Selection,
new Listener() {
public void handleEvent(Event e) {
try {
TagValue tv = TagValue.create(tag.getId());
TableItem item = new TableItem(table, SWT.NULL);
item.setText(COL_VALUE, tv.getValue());
item.setData(ID, new Integer(tv.getId()));
tv.dispose();
table.setSelection(new TableItem[] {item});
} catch (MedleyException ex) {
(new ExceptionWindow(getDisplay(), ex)).show();
}
}
});
data = new FormData();
data.bottom = new FormAttachment(100, -Settings.MARGIN_BOTTOM);
data.left = new FormAttachment(0, Settings.MARGIN_LEFT);
data.width = Settings.BUTTON_WIDTH;
data.height = Settings.BUTTON_HEIGHT;
addValueBtn.setLayoutData(data);
}
