com.risevision.ui.client.common.widgets.RiseMultiSelectListBox.java Source code

Introduction

Here is the source code for com.risevision.ui.client.common.widgets.RiseMultiSelectListBox.java

Source

// Copyright  2010 - May 2014 Rise Vision Incorporated.
// Use of this software is governed by the GPLv3 license
// (reproduced in the LICENSE file).

package com.risevision.ui.client.common.widgets;

import java.util.ArrayList;
import java.util.List;

import com.google.gwt.dom.client.Style.Overflow;
import com.google.gwt.user.client.ui.CheckBox;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.VerticalPanel;

public class RiseMultiSelectListBox extends ScrollPanel {
    private VerticalPanel listPanel = new VerticalPanel();

    private ArrayList<String> valuesList = new ArrayList<String>();
    private ArrayList<CheckBox> checkBoxList = new ArrayList<CheckBox>();

    public RiseMultiSelectListBox() {
        super();

        add(listPanel);

        styleControls();
    }

    private void styleControls() {
        setAlwaysShowScrollBars(false);
        getScrollableElement().getStyle().setOverflowY(Overflow.AUTO);
        getScrollableElement().getStyle().setOverflowX(Overflow.HIDDEN);

    }

    public void addItem(String name, String value) {
        CheckBox itemCheckBox = new CheckBox();
        //      itemCheckBox.setStyleName("rdn-CheckBox");

        Label nameLabel = new Label(name);
        nameLabel.setStyleName("rva-ShortText");
        nameLabel.getElement().getStyle().setProperty("whiteSpace", "nowrap");

        HorizontalPanel checkBoxPanel = new HorizontalPanel();
        checkBoxPanel.add(itemCheckBox);
        checkBoxPanel.add(new SpacerWidget());
        checkBoxPanel.add(nameLabel);

        listPanel.add(checkBoxPanel);

        checkBoxList.add(itemCheckBox);
        valuesList.add(value);
    }

    public List<String> getSelectedValues() {
        ArrayList<String> selectedValues = new ArrayList<String>();

        for (int i = 0; i < checkBoxList.size(); i++) {
            if (checkBoxList.get(i).getValue()) {
                selectedValues.add(valuesList.get(i));
            }
        }

        return selectedValues;
    };

    public void setSelectedValues(List<String> values) {
        setAllValues(false);

        if (values == null) {
            // All values selected by default
            // If we don't want this behavior, initialize the values list
            setAllValues(true);
            return;
        }

        for (int i = 0; i < checkBoxList.size(); i++) {
            for (String value : values) {
                if (valuesList.get(i).equals(value)) {
                    checkBoxList.get(i).setValue(true);
                    break;
                }
            }
        }
    }

    private void setAllValues(boolean value) {
        for (CheckBox checkBox : checkBoxList) {
            checkBox.setValue(value);
        }
    }

}