org.roda.wui.common.client.widgets.wcag.AccessibleSimplePager.java Source code

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Here is the source code for org.roda.wui.common.client.widgets.wcag.AccessibleSimplePager.java

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/**
 * The contents of this file are subject to the license and copyright
 * detailed in the LICENSE file at the root of the source
 * tree and available online at
 *
 * https://github.com/keeps/roda
 */
package org.roda.wui.common.client.widgets.wcag;

import com.google.gwt.core.client.GWT;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.user.cellview.client.SimplePager;
import com.google.gwt.view.client.HasRows;
import com.google.gwt.view.client.Range;

import config.i18n.client.ClientMessages;

public class AccessibleSimplePager extends SimplePager {

    private static final ClientMessages messages = GWT.create(ClientMessages.class);

    public AccessibleSimplePager(TextLocation location, boolean showFastForwardButton, boolean showLastPageButton) {
        super(location, showFastForwardButton, showLastPageButton);
        WCAGUtilities.getInstance().makeAccessible(this.getElement());
    }

    public AccessibleSimplePager() {
        super();
        WCAGUtilities.getInstance().makeAccessible(this.getElement());
    }

    public AccessibleSimplePager(TextLocation location) {
        super(location);
        WCAGUtilities.getInstance().makeAccessible(this.getElement());
    }

    public AccessibleSimplePager(TextLocation location, boolean showFastForwardButton, int fastForwardRows,
            boolean showLastPageButton) {
        super(location, showFastForwardButton, fastForwardRows, showLastPageButton);
        WCAGUtilities.getInstance().makeAccessible(this.getElement());
    }

    public AccessibleSimplePager(TextLocation location, SimplePager.Resources resources,
            boolean showFastForwardButton, int fastForwardRows, boolean showLastPageButton,
            boolean showFirstPageButton, SimplePager.ImageButtonsConstants imageButtonConstants) {
        super(location, resources, showFastForwardButton, fastForwardRows, showLastPageButton, showFirstPageButton,
                imageButtonConstants);
        WCAGUtilities.getInstance().makeAccessible(this.getElement());
    }

    @Override
    protected String createText() {
        // Default text is 1 based.
        NumberFormat formatter = NumberFormat.getFormat("#,###");
        HasRows display = getDisplay();
        Range range = display.getVisibleRange();
        int pageStart = range.getStart() + 1;
        int pageSize = range.getLength();
        int dataSize = display.getRowCount();
        int endIndex = Math.min(dataSize, pageStart + pageSize - 1);
        endIndex = Math.max(pageStart, endIndex);
        boolean exact = display.isRowCountExact();
        return formatter.format(pageStart) + "-" + formatter.format(endIndex) + " "
                + (exact ? messages.of() : messages.ofOver()) + " " + formatter.format(dataSize);
    }

}