com.htmlhifive.tools.jslint.dialog.ConfirmLicenseDialog.java Source code

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Here is the source code for com.htmlhifive.tools.jslint.dialog.ConfirmLicenseDialog.java

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/*
 * Copyright (C) 2012 NS Solutions Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.htmlhifive.tools.jslint.dialog;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.databinding.validation.IValidator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
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.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

import com.htmlhifive.tools.jslint.messages.Messages;

/**
 * ?.
 * 
 * @author NS Solutions Corporation
 * 
 */
public class ConfirmLicenseDialog extends Dialog {
    /**
     * .
     */
    private String license;
    /**
     * .
     */
    private Text textLicenseText;
    /**
     * ??.
     */
    private Button btnAcceptLicense;
    /**
     * .
     */
    private String title;

    /**
     * @param parentShell 
     * @param license .
     * @param title .
     */
    public ConfirmLicenseDialog(Shell parentShell, String license, String title) {
        super(parentShell);
        setShellStyle(SWT.CLOSE | SWT.RESIZE | SWT.TITLE);
        this.license = license;
        this.title = title;
    }

    @Override
    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        newShell.setText(title);
    }

    /*
     * (? Javadoc)
     * 
     * @see
     * org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets
     * .Composite)
     */
    @Override
    protected Control createDialogArea(Composite parent) {
        Composite container = (Composite) super.createDialogArea(parent);
        container.setLayout(new GridLayout(1, false));

        Label label = new Label(container, SWT.NONE);
        label.setText(Messages.DL0028.getText());

        textLicenseText = new Text(container,
                SWT.BORDER | SWT.READ_ONLY | SWT.H_SCROLL | SWT.V_SCROLL | SWT.CANCEL | SWT.MULTI);
        textLicenseText.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
        textLicenseText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

        Composite composite = new Composite(container, SWT.NONE);
        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1));
        composite.setLayout(new GridLayout(2, false));

        btnAcceptLicense = new Button(composite, SWT.RADIO);
        btnAcceptLicense.setText(Messages.DL0029.getText());
        btnAcceptLicense.setSelection(false);

        Button btnDenyLicense = new Button(composite, SWT.RADIO);
        btnDenyLicense.setSelection(true);
        btnDenyLicense.setText(Messages.DL0030.getText());
        return container;
    }

    /**
     * ???.
     */
    private void initialDataBinding() {

        DataBindingContext context = new DataBindingContext();

        // OK?Validator
        UpdateValueStrategy strategy = new UpdateValueStrategy();
        strategy.setBeforeSetValidator(new IValidator() {
            @Override
            public IStatus validate(Object value) {
                getButton(IDialogConstants.OK_ID).setEnabled((Boolean) value);
                return null;
            }
        });
        IObservableValue obsSelectiveAcceptLicense = WidgetProperties.selection().observe(btnAcceptLicense);
        IObservableValue obsEnabledOkButton = WidgetProperties.enabled().observe(getButton(IDialogConstants.OK_ID));
        context.bindValue(obsSelectiveAcceptLicense, obsEnabledOkButton, null, null);

    }

    /*
     * (? Javadoc)
     * 
     * @see
     * org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse
     * .swt.widgets.Composite)
     */
    @Override
    protected void createButtonsForButtonBar(Composite parent) {
        createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true).setEnabled(false);
        createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
        initialDataBinding();
        textLicenseText.setText(license);
    }

    /*
     * (? Javadoc)
     * 
     * @see org.eclipse.jface.dialogs.Dialog#getInitialSize()
     */
    @Override
    protected Point getInitialSize() {
        return super.getInitialSize();
    }

}