com.sencha.gxt.theme.base.client.progress.ProgressBarDefaultAppearance.java Source code

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Here is the source code for com.sencha.gxt.theme.base.client.progress.ProgressBarDefaultAppearance.java

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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.progress;

import com.google.gwt.resources.client.CssResource;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.safecss.shared.SafeStyles;
import com.google.gwt.safecss.shared.SafeStylesUtils;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.sencha.gxt.cell.core.client.ProgressBarCell.ProgressBarAppearance;
import com.sencha.gxt.cell.core.client.ProgressBarCell.ProgressBarAppearanceOptions;
import com.sencha.gxt.core.client.GXT;
import com.sencha.gxt.core.client.XTemplates;
import com.sencha.gxt.core.client.util.Format;
import com.sencha.gxt.core.client.util.Util;

public class ProgressBarDefaultAppearance implements ProgressBarAppearance {

    public interface ProgressBarResources {

        ImageResource bar();

        ProgressBarStyle style();
    }

    public interface ProgressBarStyle extends CssResource {

        String progressBar();

        String progressInner();

        String progressText();

        String progressTextBack();

        String progressWrap();

    }

    public interface ProgressBarTemplate extends XTemplates {

        @XTemplate(source = "ProgressBar.html")
        SafeHtml render(SafeHtml html, ProgressBarStyle style, SafeStyles wrapStyles, SafeStyles progressBarStyles,
                SafeStyles progressTextStyles, SafeStyles widthStyles);

    }

    private final ProgressBarStyle style;
    private ProgressBarTemplate template;

    public ProgressBarDefaultAppearance(ProgressBarResources resources, ProgressBarTemplate template) {
        this.style = resources.style();
        this.style.ensureInjected();
        this.template = template;
    }

    @Override
    public void render(SafeHtmlBuilder sb, Double value, ProgressBarAppearanceOptions options) {
        value = value == null ? 0 : value;
        double valueWidth = value * options.getWidth();

        int vw = new Double(valueWidth).intValue();

        String text = options.getProgressText();

        if (text != null) {
            int v = (int) Math.round(value * 100);
            text = Format.substitute(text, v);
        }

        SafeHtml txt = Util.isEmptyString(text) ? Util.NBSP_SAFE_HTML : SafeHtmlUtils.fromString(text);

        int adj = GXT.isIE() ? 4 : 2;

        SafeStyles wrapStyles = SafeStylesUtils.fromTrustedString("width:" + (options.getWidth() - adj) + "px;");
        SafeStyles progressBarStyles = SafeStylesUtils.fromTrustedString("width:" + vw + "px;");
        SafeStyles progressTextStyles = SafeStylesUtils.fromTrustedString("width:" + Math.max(vw - 8, 0) + "px;");
        SafeStyles widthStyles = SafeStylesUtils
                .fromTrustedString("width:" + (Math.max(0, options.getWidth() - adj)) + "px;");
        sb.append(template.render(txt, style, wrapStyles, progressBarStyles, progressTextStyles, widthStyles));
    }

}