org.headsupdev.agile.web.components.configuration.SQLURLField.java Source code

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Here is the source code for org.headsupdev.agile.web.components.configuration.SQLURLField.java

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/*
 * HeadsUp Agile
 * Copyright 2009-2012 Heads Up Development Ltd.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.headsupdev.agile.web.components.configuration;

import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
import org.headsupdev.agile.storage.DatabaseRegistry;

import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;

/**
 * A field used to choose a valid SQL url from the supported database types.
 *
 * @author Andrew Williams
 * @version $Id$
 * @since 1.0
 */
public class SQLURLField extends Panel {
    private String type, url;

    public SQLURLField(String id) {
        super(id);

        layout();
    }

    public SQLURLField(String id, IModel<String> model) {
        super(id, model);

        layout();
    }

    protected void onBeforeRender() {
        super.onBeforeRender();

        String o = getDefaultModelObjectAsString();
        int colon1 = o.indexOf(':');
        int colon2 = o.indexOf(':', colon1 + 1);

        type = o.substring(colon1 + 1, colon2);
        url = o.substring(colon2 + 1);
    }

    private void layout() {
        final SQLURLField self = this;
        final TextField urlField = new TextField<String>("url", new PropertyModel<String>(this, "url") {
            public void setObject(String o) {
                super.setObject(o);
                updateModelObject();
            }
        });
        urlField.setMarkupId("sqlurl").setOutputMarkupId(true);
        final DropDownChoice types = new DropDownChoice<String>("type", new PropertyModel<String>(this, "type"),
                DatabaseRegistry.getTypes());
        types.add(new OnChangeAjaxBehavior() {
            protected void onUpdate(final AjaxRequestTarget target) {
                String newType = (String) types.getModelObject();

                url = DatabaseRegistry.getDefaultUrl(newType);
                target.addComponent(urlField);
                updateModelObject();

                target.appendJavascript("document.getElementById('sqlurl').onblur()");
            }
        });
        add(types);

        urlField.add(new AjaxFormComponentUpdatingBehavior("onblur") {
            protected void onUpdate(AjaxRequestTarget target) {
                self.onUpdate(target);
            }
        });
        add(urlField);
    }

    private void updateModelObject() {
        ((IModel<String>) getDefaultModel()).setObject("jdbc:" + type + ":" + url);
    }

    protected void onUpdate(AjaxRequestTarget target) {
    }
}