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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.examples.addressbook;
/* Imports */
import java.util.ResourceBundle;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
* DataEntryDialog class uses <code>org.eclipse.swt</code>
* libraries to implement a dialog that accepts basic personal information that
* is added to a <code>Table</code> widget or edits a <code>TableItem</code> entry
* to represent the entered data.
*/
public class DataEntryDialog {
private static ResourceBundle resAddressBook = ResourceBundle.getBundle("examples_addressbook");
Shell shell;
String[] values;
String[] labels;
public DataEntryDialog(Shell parent) {
shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.PRIMARY_MODAL);
shell.setLayout(new GridLayout());
}
private void addTextListener(final Text text) {
text.addModifyListener(new ModifyListener() {
@Override
public void modifyText(ModifyEvent e){
Integer index = (Integer)(text.getData("index"));
values[index.intValue()] = text.getText();
}
});
}
private void createControlButtons() {
Composite composite = new Composite(shell, SWT.NONE);
composite.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
GridLayout layout = new GridLayout();
layout.numColumns = 2;
composite.setLayout(layout);
Button okButton = new Button(composite, SWT.PUSH);
okButton.setText(resAddressBook.getString("OK"));
okButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
shell.close();
}
});
Button cancelButton = new Button(composite, SWT.PUSH);
cancelButton.setText(resAddressBook.getString("Cancel"));
cancelButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
values = null;
shell.close();
}
});
shell.setDefaultButton(okButton);
}
private void createTextWidgets() {
if (labels == null) return;
Composite composite = new Composite(shell, SWT.NONE);
composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
GridLayout layout= new GridLayout();
layout.numColumns = 2;
composite.setLayout(layout);
if (values == null)
values = new String[labels.length];
for (int i = 0; i < labels.length; i++) {
Label label = new Label(composite, SWT.RIGHT);
label.setText(labels[i]);
Text text = new Text(composite, SWT.BORDER);
GridData gridData = new GridData();
gridData.widthHint = 400;
text.setLayoutData(gridData);
if (values[i] != null) {
text.setText(values[i]);
}
text.setData("index", new Integer(i));
addTextListener(text);
}
}
public String[] getLabels() {
return labels;
}
public String getTitle() {
return shell.getText();
}
/**
* Returns the contents of the <code>Text</code> widgets in the dialog in a
* <code>String</code> array.
*
* @return String[]
* The contents of the text widgets of the dialog.
* May return null if all text widgets are empty.
*/
public String[] getValues() {
return values;
}
/**
* Opens the dialog in the given state. Sets <code>Text</code> widget contents
* and dialog behaviour accordingly.
*
* @param dialogState int
* The state the dialog should be opened in.
*/
public String[] open() {
createTextWidgets();
createControlButtons();
shell.pack();
shell.open();
Display display = shell.getDisplay();
while(!shell.isDisposed()){
if(!display.readAndDispatch())
display.sleep();
}
return getValues();
}
public void setLabels(String[] labels) {
this.labels = labels;
}
public void setTitle(String title) {
shell.setText(title);
}
/**
* Sets the values of the <code>Text</code> widgets of the dialog to
* the values supplied in the parameter array.
*
* @param itemInfo String[]
* The values to which the dialog contents will be set.
*/
public void setValues(String[] itemInfo) {
if (labels == null) return;
if (values == null)
values = new String[labels.length];
int numItems = Math.min(values.length, itemInfo.length);
for(int i = 0; i < numItems; i++) {
values[i] = itemInfo[i];
}
}
}
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