/************************************************************************************
* Copyright (c) 2008 William Chen. *
* *
* All rights reserved. This program and the accompanying materials are made *
* available under the terms of the Eclipse Public License v1.0 which accompanies *
* this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html *
* *
* Use is subject to the terms of Eclipse Public License v1.0. *
* *
* Contributors: *
* William Chen - initial API and implementation. *
************************************************************************************/
package org.dyno.visual.swing.types.editor;
import java.util.HashMap;
import javax.swing.SpinnerModel;
import org.dyno.visual.swing.types.editor.spinnermodels.AccessibleUI;
import org.dyno.visual.swing.types.editor.spinnermodels.SpinnerModelContentProvider;
import org.dyno.visual.swing.types.editor.spinnermodels.SpinnerModelType;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
public class SpinnerModelDialog extends Dialog {
private ComboViewer viewer;
public SpinnerModelDialog(Shell parentShell) {
super(parentShell);
}
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
getShell().setText(Messages.SpinnerModelDialog_Title);
modelPanes = new HashMap<SpinnerModelType, AccessibleUI>();
Composite innerComposite = new Composite(composite, SWT.NONE);
innerComposite.setLayoutData(new GridData());
GridLayout layout = new GridLayout();
layout.numColumns = 2;
innerComposite.setLayout(layout);
Label lbl = new Label(innerComposite, SWT.NONE);
lbl.setText(Messages.SpinnerModelDialog_Type);
GridData data = new GridData();
lbl.setLayoutData(data);
Combo cmbType = new Combo(innerComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
viewer = new ComboViewer(cmbType);
viewer.setContentProvider(new SpinnerModelContentProvider());
viewer.setInput(SpinnerModelType.getModelTypes());
ISelection selection = createModelTypeSelection(model);
viewer.setSelection(selection);
viewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
viewer_selectionChanged(event.getSelection());
}
});
data = new GridData();
data.widthHint = 280;
cmbType.setLayoutData(data);
modelPane = new Composite(innerComposite, SWT.NONE);
modelPane.setLayout(new StackLayout());
data = new GridData(GridData.FILL_BOTH);
data.horizontalSpan = 2;
data.heightHint = 170;
data.horizontalIndent = 36;
modelPane.setLayoutData(data);
applyDialogFont(composite);
viewer_selectionChanged(selection);
SpinnerModelType type = SpinnerModelType.getSpinnerModelType(model);
AccessibleUI paneUI = modelPanes.get(type);
if (paneUI != null)
paneUI.setValue(model);
applyDialogFont(composite);
return composite;
}
private void viewer_selectionChanged(ISelection selection) {
if (selection instanceof StructuredSelection && !selection.isEmpty()) {
SpinnerModelType type = (SpinnerModelType) ((StructuredSelection) selection).getFirstElement();
AccessibleUI paneUI = modelPanes.get(type);
if (paneUI == null) {
paneUI = type.createEditPane(modelPane);
if (paneUI != null) {
modelPanes.put(type, paneUI);
}
}
if (paneUI != null) {
((StackLayout) modelPane.getLayout()).topControl = paneUI.getAccessibleUI();
modelPane.layout();
}
}
}
protected void okPressed() {
ISelection selection = viewer.getSelection();
if (selection.isEmpty()) {
MessageDialog.openError(getShell(), Messages.SpinnerModelDialog_Error, Messages.SpinnerModelDialog_Select);
return;
}
SpinnerModelType type = (SpinnerModelType) ((StructuredSelection) selection).getFirstElement();
AccessibleUI paneUI = modelPanes.get(type);
String message = paneUI.isInputValid();
if (message != null) {
MessageDialog.openError(getShell(), Messages.SpinnerModelDialog_Error, message);
return;
}
model = (SpinnerModel) paneUI.getValue();
super.okPressed();
}
private ISelection createModelTypeSelection(Object value) {
return new StructuredSelection(SpinnerModelType.getSpinnerModelType(value));
}
public void setSpinnerModel(SpinnerModel model) {
this.model = model;
}
public SpinnerModel getSpinnerModel() {
return model;
}
private Composite modelPane;
private SpinnerModel model;
private HashMap<SpinnerModelType, AccessibleUI> modelPanes;
}