org.vectomatic.client.rep.controller.ExportController.java Source code

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Here is the source code for org.vectomatic.client.rep.controller.ExportController.java

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/**********************************************
 * Copyright (C) 2009 Lukas Laag
 * This file is part of Vectomatic.
 * 
 * Vectomatic 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 3 of the License, or
 * (at your option) any later version.
 * 
 * Vectomatic 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 Vectomatic.  If not, see http://www.gnu.org/licenses/
 **********************************************/
package org.vectomatic.client.rep.controller;

import org.vectomatic.client.rep.RepApplication;
import org.vectomatic.client.rep.view.DrawingView;
import org.vectomatic.common.format.ISVGExporter;
import org.vectomatic.common.format.IOutputStream;
import org.vectomatic.common.format.SVG11Visitor;
import org.vectomatic.common.format.SVG12Visitor;

import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.FormPanel;
import com.google.gwt.user.client.ui.Hidden;
import com.google.gwt.user.client.ui.MenuItem;

public class ExportController extends ControllerBase {
    private ControllerMenuItem _exportSVG11MenuItem;
    private ControllerMenuItem _exportSVG12MenuItem;
    private FormPanel _form;
    private Hidden _hidden;

    public ExportController(RepApplication app, FormPanel form) {
        super(app);
        _form = form;
        form.setMethod(FormPanel.METHOD_POST);
        Element svgexport = DOM.getElementById("svgexport");
        String uri = "";
        if (svgexport != null) {
            uri = svgexport.getAttribute("content");
        }

        form.setAction(uri);
        _hidden = new Hidden();
        _hidden.setName("data");
        form.add(_hidden);
        _exportSVG11MenuItem = new ControllerMenuItem(app.getView(), app.getConstants().exportSVG11Command(),
                new ControllerBase(_app) {
                    @Override
                    public void activate(DrawingView view) {
                        export(new SVG11Visitor());
                    }
                });
        _exportSVG12MenuItem = new ControllerMenuItem(app.getView(), app.getConstants().exportSVG12Command(),
                new ControllerBase(_app) {
                    @Override
                    public void activate(DrawingView view) {
                        export(new SVG12Visitor());
                    }
                });
    }

    private void export(ISVGExporter exporter) {
        final StringBuffer buffer = new StringBuffer();
        exporter.writeSVG(new IOutputStream() {
            public void write(String str) {
                buffer.append(str);
            }
        }, _app.getModel().toShapeArray(), _app.getPalettes(), _app.getView().getWidth(),
                _app.getView().getHeight());
        _hidden.setValue(buffer.toString());
        _form.submit();
    }

    public MenuItem getExportSVG11Item() {
        return _exportSVG11MenuItem;
    }

    public MenuItem getExportSVG12Item() {
        return _exportSVG12MenuItem;
    }

}