com.jaspersoft.studio.property.section.widgets.SPReadCombo.java Source code

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Here is the source code for com.jaspersoft.studio.property.section.widgets.SPReadCombo.java

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/*******************************************************************************
 * Copyright (C) 2005 - 2014 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com.
 * 
 * Unless you have purchased  a commercial license agreement from Jaspersoft,
 * the following license terms  apply:
 * 
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 ******************************************************************************/
package com.jaspersoft.studio.property.section.widgets;

import org.apache.commons.lang.ArrayUtils;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.views.properties.IPropertyDescriptor;

import com.jaspersoft.studio.model.APropertyNode;
import com.jaspersoft.studio.property.descriptors.JSSComboPropertyDescriptor;
import com.jaspersoft.studio.property.section.AbstractSection;

public class SPReadCombo extends ASPropertyWidget {
    protected Combo combo;

    private boolean refreshing = false;

    public SPReadCombo(Composite parent, AbstractSection section, IPropertyDescriptor pDescriptor) {
        super(parent, section, pDescriptor);
    }

    @Override
    public Control getControl() {
        return combo;
    }

    protected void createComponent(Composite parent) {
        final JSSComboPropertyDescriptor pd = (JSSComboPropertyDescriptor) pDescriptor;

        combo = section.getWidgetFactory().createCombo(parent, SWT.READ_ONLY);
        combo.setItems(pd.getLabels());
        combo.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent e) {
                handlePropertyChange();
            }
        });
        combo.setToolTipText(pDescriptor.getDescription());
    }

    public void setData(APropertyNode pnode, Object b) {
        setRefreshing(true);
        int index = 0;
        if (b != null)
            index = ((Number) b).intValue();
        combo.select(index);
        setRefreshing(false);
    }

    public void setItems(String[] items) {
        setRefreshing(true);
        String currentSelection = combo.getText();
        if (ArrayUtils.contains(items, currentSelection)) {
            combo.setItems(items);
            combo.select(ArrayUtils.indexOf(items, currentSelection));
            setRefreshing(false);
        } else {
            setRefreshing(false);
            combo.setItems(items);
            combo.select(0);
        }
    }

    protected void handlePropertyChange() {
        if (!isRefreshing()) {
            int index = combo.getSelectionIndex();
            section.changeProperty(pDescriptor.getId(), index);
        }
    }

    public String[] getItems() {
        return combo.getItems();
    }

    protected synchronized void setRefreshing(boolean value) {
        this.refreshing = value;
    }

    protected synchronized boolean isRefreshing() {
        return refreshing;
    }
}