com.sencha.gxt.theme.base.client.field.CheckBoxDefaultAppearance.java Source code

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/**
 * Sencha GXT 4.0.0 - Sencha for GWT
 * Copyright (c) 2006-2015, Sencha Inc.
 *
 * licensing@sencha.com
 * http://www.sencha.com/products/gxt/license/
 *
 * ================================================================================
 * Open Source License
 * ================================================================================
 * This version of Sencha GXT is licensed under the terms of the Open Source GPL v3
 * license. You may use this license only if you are prepared to distribute and
 * share the source code of your application under the GPL v3 license:
 * http://www.gnu.org/licenses/gpl.html
 *
 * If you are NOT prepared to distribute and share the source code of your
 * application under the GPL v3 license, other commercial and oem licenses
 * are available for an alternate download of Sencha GXT.
 *
 * Please see the Sencha GXT Licensing page at:
 * http://www.sencha.com/products/gxt/license/
 *
 * For clarification or additional options, please contact:
 * licensing@sencha.com
 * ================================================================================
 *
 *
 * ================================================================================
 * Disclaimer
 * ================================================================================
 * THIS SOFTWARE IS DISTRIBUTED "AS-IS" WITHOUT ANY WARRANTIES, CONDITIONS AND
 * REPRESENTATIONS WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE
 * IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY, MERCHANTABLE QUALITY,
 * FITNESS FOR A PARTICULAR PURPOSE, DURABILITY, NON-INFRINGEMENT, PERFORMANCE AND
 * THOSE ARISING BY STATUTE OR FROM CUSTOM OR USAGE OF TRADE OR COURSE OF DEALING.
 * ================================================================================
 */
package com.sencha.gxt.theme.base.client.field;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.InputElement;
import com.google.gwt.dom.client.LabelElement;
import com.google.gwt.resources.client.ClientBundle;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.resources.client.ImageResource.ImageOptions;
import com.google.gwt.resources.client.ImageResource.RepeatStyle;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.sencha.gxt.cell.core.client.form.CheckBoxCell.CheckBoxAppearance;
import com.sencha.gxt.cell.core.client.form.CheckBoxCell.CheckBoxCellOptions;
import com.sencha.gxt.core.client.dom.XDOM;
import com.sencha.gxt.core.client.dom.XElement;

public class CheckBoxDefaultAppearance extends ValueBaseFieldDefaultAppearance implements CheckBoxAppearance {

    public interface CheckBoxResources extends ValueBaseFieldResources, ClientBundle {
        @Source({ "ValueBaseField.gss", "CheckBox.gss" })
        CheckBoxStyle css();

        @ImageOptions(repeatStyle = RepeatStyle.Horizontal)
        ImageResource textBackground();
    }

    public interface CheckBoxStyle extends ValueBaseFieldStyle {

        String checkBoxLabel();

    }

    protected final CheckBoxResources resources;
    protected final CheckBoxStyle style;
    protected String type = "checkbox";

    public CheckBoxDefaultAppearance() {
        this(GWT.<CheckBoxResources>create(CheckBoxResources.class));
    }

    public CheckBoxDefaultAppearance(CheckBoxResources resources) {
        super(resources);
        this.resources = resources;
        this.style = resources.css();
    }

    @Override
    public XElement getInputElement(Element parent) {
        return parent.<XElement>cast().selectNode("input");
    }

    @Override
    public void onEmpty(Element parent, boolean empty) {

    }

    @Override
    public void onFocus(Element parent, boolean focus) {
        // Override method to prevent outline from being applied to check boxes on
        // focus
    }

    @Override
    public void onValid(Element parent, boolean valid) {
        // no-op, cb is true or false...
    }

    @Override
    public void render(SafeHtmlBuilder sb, Boolean value, CheckBoxCellOptions options) {
        String checkBoxId = XDOM.getUniqueId();

        String nameParam = options.getName() != null ? " name='" + options.getName() + "' " : "";
        String disabledParam = options.isDisabled() ? " disabled=true" : "";
        String readOnlyParam = options.isReadonly() ? " readonly" : "";
        String idParam = " id=" + checkBoxId;
        String typeParam = " type=" + type;
        String checkedParam = value ? " checked" : "";

        sb.appendHtmlConstant("<div class=" + style.wrap() + ">");
        sb.appendHtmlConstant(
                "<input " + typeParam + nameParam + disabledParam + readOnlyParam + idParam + checkedParam + " />");
        sb.appendHtmlConstant("<label for=" + checkBoxId + " class=" + style.checkBoxLabel() + ">");
        sb.append(options.getBoxLabel());
        sb.appendHtmlConstant("</label></div>");

    }

    @Override
    public void setBoxLabel(SafeHtml boxLabel, XElement parent) {
        parent.selectNode("." + resources.css().checkBoxLabel()).<LabelElement>cast().setInnerSafeHtml(boxLabel);
    }

    @Override
    public void setReadOnly(Element parent, boolean readOnly) {
        getInputElement(parent).<InputElement>cast().setReadOnly(readOnly);
    }

}