org.obiba.opal.web.gwt.app.client.ui.DefaultFlexTable.java Source code

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Here is the source code for org.obiba.opal.web.gwt.app.client.ui.DefaultFlexTable.java

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/*******************************************************************************
 * Copyright (c) 2011 OBiBa. All rights reserved.
 *
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.obiba.opal.web.gwt.app.client.ui;

import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.Widget;

/**
 * A FlexTable with a header and basic styling from bootstrap.
 */
public class DefaultFlexTable extends FlexTable {
    private final Element head;

    private final Element headerTr;

    public DefaultFlexTable() {
        head = DOM.createTHead();
        headerTr = DOM.createTR();
        DOM.insertChild(getElement(), head, 0);
        DOM.insertChild(head, headerTr, 0);
        setStyled(true);
        setCondensed(true);
        setZebra(true);
        setBordered(true);
    }

    public void setStyled(boolean styled) {
        if (styled) {
            addStyleName("table");
        } else {
            removeStyleName("table");
        }
    }

    public void setBordered(boolean bordered) {
        if (bordered) {
            addStyleName("table-bordered");
        } else {
            removeStyleName("table-bordered");
        }
    }

    public void setCondensed(boolean condensed) {
        if (condensed) {
            addStyleName("table-condensed");
        } else {
            removeStyleName("table-condensed");
        }
    }

    public void setZebra(boolean zebra) {
        if (zebra) {
            addStyleName("table-striped");
        } else {
            removeStyleName("table-striped");
        }
    }

    public void setHeader(int column, String text) {
        prepareHeader(column);
        if (text != null) {
            DOM.setInnerText(DOM.getChild(headerTr, column), text);
        }
    }

    public void setHeaderWidget(int column, Widget widget) {
        prepareHeader(column);
        if (widget != null) {
            widget.removeFromParent();
            // Physical attach.
            DOM.appendChild(DOM.getChild(headerTr, column), widget.getElement());
            adopt(widget);
        }
    }

    private void prepareHeader(int column) {
        if (column < 0) {
            throw new IndexOutOfBoundsException("Cannot create a column with a negative index: " + column);
        }
        int cellCount = DOM.getChildCount(headerTr);
        int required = column + 1 - cellCount;
        if (required > 0) {
            addHeaderCells(head, 0, required);
        }
    }

    private native void addHeaderCells(Element table, int row, int num)/*-{
                                                                       var rowElem = table.rows[row];
                                                                       for (var i = 0; i < num; i++) {
                                                                       var cell = $doc.createElement("th");
                                                                       rowElem.appendChild(cell);
                                                                       }
                                                                       }-*/;

}