org.rstudio.studio.client.rmarkdown.ui.RmdStringOption.java Source code

Introduction

Here is the source code for org.rstudio.studio.client.rmarkdown.ui.RmdStringOption.java

Source

/*
 * RmdStringOption.java
 *
 * Copyright (C) 2009-14 by RStudio, Inc.
 *
 * Unless you have received this program directly from RStudio pursuant
 * to the terms of a commercial license agreement with RStudio, then
 * this program is licensed to you under the terms of version 3 of the
 * GNU Affero General Public License. This program is distributed WITHOUT
 * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
 * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
 *
 */
package org.rstudio.studio.client.rmarkdown.ui;

import org.rstudio.studio.client.rmarkdown.model.RmdTemplateFormatOption;

import com.google.gwt.dom.client.Style.Display;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.TextBox;

public class RmdStringOption extends RmdNullableOption {

    public RmdStringOption(RmdTemplateFormatOption option, String initialValue) {
        super(option, initialValue);
        defaultValue_ = option.getDefaultValue();

        HTMLPanel panel = new HTMLPanel("");
        panel.add(getOptionLabelWidget());
        txtValue_ = new TextBox();
        if (!initialValue.equals("null"))
            txtValue_.setValue(initialValue);
        txtValue_.getElement().getStyle().setDisplay(Display.BLOCK);
        txtValue_.getElement().getStyle().setMarginLeft(20, Unit.PX);
        txtValue_.getElement().getStyle().setMarginTop(3, Unit.PX);
        txtValue_.setWidth("75%");
        panel.add(txtValue_);

        updateNull();
        initWidget(panel);
    }

    @Override
    public boolean valueIsDefault() {
        if (getValue() == null)
            return defaultValue_.equals("null");
        else
            return defaultValue_.equals(txtValue_.getValue());
    }

    @Override
    public String getValue() {
        if (valueIsNull())
            return null;
        else if (getOption().isNullable() && txtValue_.getValue().trim().isEmpty())
            return null;
        else
            return txtValue_.getValue().trim();
    }

    @Override
    public void updateNull() {
        txtValue_.setEnabled(!valueIsNull());
    }

    private TextBox txtValue_;

    private String defaultValue_;
}