/*
* {{{ header & license
* Copyright (c) 2007 Vianney le Clément
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}}
*/
package org.xhtmlrenderer.simple.xhtml.swt;
import java.util.ArrayList;
import java.util.Map;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.List;
import org.xhtmlrenderer.css.style.CalculatedStyle;
import org.xhtmlrenderer.extend.UserAgentCallback;
import org.xhtmlrenderer.layout.LayoutContext;
import org.xhtmlrenderer.simple.xhtml.FormControl;
import org.xhtmlrenderer.simple.xhtml.FormControlAdapter;
import org.xhtmlrenderer.simple.xhtml.controls.SelectControl;
import org.xhtmlrenderer.swt.BasicRenderer;
public class SWTSelectControl extends SWTXhtmlControl {
private boolean _combo;
private java.util.List _values, _labels;
public SWTSelectControl(FormControl control, BasicRenderer parent,
LayoutContext c, CalculatedStyle style, UserAgentCallback uac) {
super(control, parent, c, style, uac);
}
protected Control createSWTControl(FormControl control,
BasicRenderer parent, LayoutContext c, CalculatedStyle style,
UserAgentCallback uac) {
final SelectControl sc = (SelectControl) control;
Map options = sc.getOptions();
_values = new ArrayList(options.keySet());
_labels = new ArrayList(options.values());
if (sc.getSize() > 1 || sc.isMultiple()) {
_combo = false;
final List list = new List(parent, SWT.BORDER | SWT.V_SCROLL
| (sc.isMultiple() ? SWT.MULTI : SWT.SINGLE));
list.setItems((String[]) _labels
.toArray(new String[_labels.size()]));
list.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
if (sc.isMultiple()) {
int[] indices = list.getSelectionIndices();
String[] values = new String[indices.length];
for (int i = 0; i < indices.length; i++) {
values[i] = (String) _values.get(indices[i]);
}
sc.setMultipleValues(values);
} else {
sc.setValue((String) _values.get(list
.getSelectionIndex()));
}
}
});
sc.addFormControlListener(new FormControlAdapter() {
public void changed(FormControl control) {
if (sc.isSuccessful()) {
if (sc.isMultiple()) {
String[] values = sc.getMultipleValues();
int[] indices = new int[values.length];
for (int i = 0; i < values.length; i++) {
indices[i] = _values.indexOf(values[i]);
}
list.setSelection(indices);
} else {
list.setSelection(_values.indexOf(sc.getValue()));
}
} else {
list.deselectAll();
}
}
public void successful(FormControl control) {
changed(control);
}
});
if (sc.isSuccessful()) {
if (sc.isMultiple()) {
String[] values = sc.getMultipleValues();
int[] indices = new int[values.length];
for (int i = 0; i < values.length; i++) {
indices[i] = _values.indexOf(values[i]);
}
list.setSelection(indices);
} else {
list.setSelection(_values.indexOf(sc.getValue()));
}
}
return list;
} else {
_combo = true;
final Combo combo = new Combo(parent, SWT.DROP_DOWN | SWT.READ_ONLY);
combo.setItems((String[]) _labels
.toArray(new String[_labels.size()]));
combo.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
int selection = combo.getSelectionIndex();
if (selection < 0) {
sc.setSuccessful(false);
} else {
sc.setValue((String) _values.get(selection));
}
}
});
sc.addFormControlListener(new FormControlAdapter() {
public void changed(FormControl control) {
if (sc.isSuccessful()) {
combo.select(_values.indexOf(sc.getValue()));
} else {
combo.deselectAll();
}
}
public void successful(FormControl control) {
changed(control);
}
});
if (sc.isSuccessful()) {
combo.select(_values.indexOf(sc.getValue()));
}
return combo;
}
}
public int getIdealHeight() {
if (_combo) {
getSWTControl().pack();
return getSWTControl().getSize().y;
} else {
SelectControl sc = (SelectControl) getFormControl();
List list = (List) getSWTControl();
String[] oldSelection = list.getSelection();
String[] oldItems = list.getItems();
String[] items = new String[sc.getSize()];
for (int i = 0; i < items.length; i++) {
items[i] = "Gg";
}
list.setItems(items);
list.pack();
int height = list.getSize().y;
list.setItems(oldItems);
list.setSelection(oldSelection);
return height;
}
}
public int getIdealWidth() {
getSWTControl().pack();
return getSWTControl().getSize().x;
}
}