de.swm.commons.mobile.client.widgets.SelectItem.java Source code

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Here is the source code for de.swm.commons.mobile.client.widgets.SelectItem.java

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/*
 * Copyright 2011 SWM Services GmbH.
 * 
 * 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 de.swm.commons.mobile.client.widgets;

import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Label;
import de.swm.commons.mobile.client.SWMMobile;

/**
 * Defines a select item which can be placed inside a {@link SelectPanel}. A select item can have a checkmark.
 */
public class SelectItem extends HorizontalPanel {

    protected Label textLabel;
    protected Image checkmarkImage;
    protected String key;
    protected boolean disabled = false;
    protected boolean selected = false;

    public SelectItem(String text, String key, boolean selected) {
        assert text != null : "Text must be set for SelectItem";
        textLabel = new Label(text);
        add(textLabel);
        this.key = key;
        this.selected = selected;
        if (selected) {
            checkmarkImage = new Image(SWMMobile.getTheme().getMGWTImageBundle().checkmark());
        } else {
            checkmarkImage = new Image(SWMMobile.getTheme().getMGWTImageBundle().checkmark_gray());
        }
        add(checkmarkImage);
    }

    public void setText(String text) {
        if (textLabel == null) {
            textLabel = new Label();
            add(textLabel);
        }
        textLabel.setText(text);
    }

    /**
     * Disabled/enables the widget.
     *
     * @param disabled true if disabled.
     */
    public void setDisabled(boolean disabled) {
        this.disabled = disabled;
        if (disabled) {
            addStyleName(SWMMobile.getTheme().getMGWTCssBundle().getSelectPanelCss().disabled());
        } else {
            removeStyleName(SWMMobile.getTheme().getMGWTCssBundle().getSelectPanelCss().disabled());
        }
    }

    public boolean isDisabled() {
        return disabled;
    }

    public void setSelected(boolean selected) {
        this.selected = selected;
        if (selected) {
            checkmarkImage.setResource(SWMMobile.getTheme().getMGWTImageBundle().checkmark());
        } else {
            checkmarkImage.setResource(SWMMobile.getTheme().getMGWTImageBundle().checkmark_gray());
        }
    }

    public boolean isSelected() {
        return selected;
    }

    public String getKey() {
        return key;
    }

    @Override
    protected void onUnload() {
        super.onUnload();
        removeStyleName(SWMMobile.getTheme().getMGWTCssBundle().getSelectPanelCss().pressed());
    }
}