nl.strohalm.cyclos.mobile.client.ui.widgets.FormField.java Source code

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Here is the source code for nl.strohalm.cyclos.mobile.client.ui.widgets.FormField.java

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/*
This file is part of Cyclos (www.cyclos.org).
A project of the Social Trade Organisation (www.socialtrade.org).
    
Cyclos is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
    
Cyclos is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with Cyclos; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    
 */
package nl.strohalm.cyclos.mobile.client.ui.widgets;

import java.util.Map;

import nl.strohalm.cyclos.mobile.client.utils.StringHelper;
import nl.strohalm.cyclos.mobile.client.utils.UIValueFormatter;

import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.Widget;

/**
 * A table based form which display labels and values as label fields.
 */
public class FormField extends Composite {

    private Grid grid;
    private String labelStyle;
    private String valueStyle;

    private boolean hideParentOnNoData = false;

    public FormField() {
        grid = new Grid(0, 2);
        grid.setStyleName("form-field");

        labelStyle = "form-label";
        valueStyle = "form-value";

        initWidget(grid);
    }

    /**
     * Adds form field style
     */
    public void addFormFieldStyle(String style) {
        grid.addStyleName(style);
    }

    /**
     * Sets the labels style
     */
    public void setLabelStyle(String style) {
        this.labelStyle = style;
    }

    /**
     * Sets the values style 
     */
    public void setValueStyle(String style) {
        this.valueStyle = style;
    }

    /**
     * Hides the form's parent when no data is available to display
     */
    public void setHideParentOnNoData(boolean hide) {
        this.hideParentOnNoData = hide;
    }

    /**
     * Sets the form widgets and labels
     */
    public void setWidgets(Map<String, Widget> widgets) {
        int row = 0;
        for (String label : widgets.keySet()) {
            Widget widget = widgets.get(label);

            // Add style to the widget to fit in form
            widget.addStyleName(valueStyle);

            // Resize grid row per new value added
            grid.resizeRows(row + 1);

            // Add label and value
            LabelField labelField = new LabelField(label, labelStyle);
            grid.setWidget(row, 0, labelField);
            grid.setWidget(row, 1, widget);

            // Increment rows size
            row++;
        }
        // No data available
        if (row == 0) {
            if (hideParentOnNoData && getParent() != null) {
                getParent().setVisible(false);
            }
        }
    }

    /**
     * Sets the form data, empty values will not be rendered
     */
    public void setData(Map<String, String> data) {
        int row = 0;
        for (String label : data.keySet()) {
            String value = data.get(label);
            if (StringHelper.isNotEmpty(value) && value.trim().length() > 0) {

                // Get formatted value
                value = UIValueFormatter.get().format(value);

                // Resize grid row per new value added
                grid.resizeRows(row + 1);

                // Add label and value
                LabelField labelField = new LabelField(label, labelStyle);
                HTMLField valueField = new HTMLField(value, valueStyle);
                grid.setWidget(row, 0, labelField);
                grid.setWidget(row, 1, valueField);

                // Increment rows size
                row++;
            }
        }
        // No data available
        if (row == 0) {
            if (hideParentOnNoData && getParent() != null) {
                getParent().setVisible(false);
            }
        }
    }

}