InputDialog.java Source code

Introduction

Here is the source code for InputDialog.java

Source

import org.eclipse.swt.SWT;
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.Dialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

class InputDialog extends Dialog {
    private String message;

    private String input;

    public InputDialog(Shell parent) {
        this(parent, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
    }

    public InputDialog(Shell parent, int style) {
        super(parent, style);
        setText("Input Dialog");
        setMessage("Please enter a value:");
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public String getInput() {
        return input;
    }

    public void setInput(String input) {
        this.input = input;
    }

    public String open() {
        Shell shell = new Shell(getParent(), getStyle());
        shell.setText(getText());
        createContents(shell);
        shell.pack();
        shell.open();
        Display display = getParent().getDisplay();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
        return input;
    }

    private void createContents(final Shell shell) {
        shell.setLayout(new GridLayout(2, true));

        Label label = new Label(shell, SWT.NONE);
        label.setText(message);
        GridData data = new GridData();
        data.horizontalSpan = 2;
        label.setLayoutData(data);

        final Text text = new Text(shell, SWT.BORDER);
        data = new GridData(GridData.FILL_HORIZONTAL);
        data.horizontalSpan = 2;
        text.setLayoutData(data);

        Button ok = new Button(shell, SWT.PUSH);
        ok.setText("OK");
        data = new GridData(GridData.FILL_HORIZONTAL);
        ok.setLayoutData(data);
        ok.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                input = text.getText();
                shell.close();
            }
        });

        Button cancel = new Button(shell, SWT.PUSH);
        cancel.setText("Cancel");
        data = new GridData(GridData.FILL_HORIZONTAL);
        cancel.setLayoutData(data);
        cancel.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                input = null;
                shell.close();
            }
        });

        shell.setDefaultButton(ok);
    }
}

public class CustomInputDialog {
    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);

        InputDialog dlg = new InputDialog(shell);
        String input = dlg.open();
        if (input != null) {
            // User clicked OK; set the text into the label
            System.out.println(input);
        }

        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                display.sleep();
            }
        }
        display.dispose();
    }
}