org.cruxframework.crux.widgets.client.grid.GridFlexTable.java Source code

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Here is the source code for org.cruxframework.crux.widgets.client.grid.GridFlexTable.java

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/*
 * Copyright 2009 cruxframework.org
 * 
 * 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 org.cruxframework.crux.widgets.client.grid;

import com.google.gwt.dom.client.NodeList;
import com.google.gwt.dom.client.TableCellElement;
import com.google.gwt.dom.client.TableRowElement;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant;
import com.google.gwt.user.client.ui.HasVerticalAlignment.VerticalAlignmentConstant;

public class GridFlexTable extends FlexTable implements GridBaseFlexTable {
    public Element getCellElement(int row, int col) {
        return getCellElement(this.getElement(), row, col);
    }

    public Element getRowElement(int row) {
        return getRowElement(this.getElement(), row);
    }

    public void joinCells(int row) {
        TableRowElement tr = this.getRowElement(row).cast();
        NodeList<TableCellElement> cells = tr.getCells();
        int numTds = cells.getLength();

        if (numTds > 1) {
            for (int i = 1; i < numTds; i++) {
                // We always remove the second cell. 
                // This is because we want to keep the first one 
                //    and the cell indexes are in movement due 
                //    to the removing process.
                tr.removeChild(cells.getItem(1));
            }

            TableCellElement td = this.getCellElement(row, 0).cast();
            td.setAttribute("colSpan", "" + numTds);
            td.setInnerHTML(".");
        }
    }

    private native Element getCellElement(Element table, int row, int col) /*-{
                                                                           return table.rows[row].cells[col];
                                                                           }-*/;

    private native Element getRowElement(Element table, int row) /*-{
                                                                 return table.rows[row];
                                                                 }-*/;

    @Override
    public Element getBodyElement() {
        return super.getBodyElement();
    }

    public void resize(int rowCount, int columnCount) {
        int lastRow = rowCount - 1;
        int lastCell = columnCount - 1;
        removeAllRows();
        prepareRow(lastRow);
        for (int i = 0; i <= lastRow; i++) {
            prepareCell(i, lastCell);
        }
    }

    /**
     * @see br.com.sysmap.crux.widgets.client.grid.GridBaseTable#setCellAlignment(int, int, com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant, com.google.gwt.user.client.ui.HasVerticalAlignment.VerticalAlignmentConstant)
     */
    public void setCellAlignment(int index, int colIndex, HorizontalAlignmentConstant horizontalAlign,
            VerticalAlignmentConstant verticalAlign) {
        getCellFormatter().setAlignment(index, colIndex, horizontalAlign, verticalAlign);
    }

    /**
     * @see br.com.sysmap.crux.widgets.client.grid.GridBaseTable#setCellWidth(int, int, java.lang.String)
     */
    public void setCellWidth(int index, int colIndex, String width) {
        getCellFormatter().setWidth(index, colIndex, width);
    }

    public void onAfterRender() {
        // nothing do to
    }
}