ac.uk.icl.dell.vaadin.glycanbuilder.ImportStructureFromStringDialog.java Source code

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Here is the source code for ac.uk.icl.dell.vaadin.glycanbuilder.ImportStructureFromStringDialog.java

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/*
*   EuroCarbDB, a framework for carbohydrate bioinformatics
*
*   Copyright (c) 2006-2011, Eurocarb project, or third-party contributors as
*   indicated by the @author tags or express copyright attribution
*   statements applied by the authors.  
*
*   This copyrighted material is made available to anyone wishing to use, modify,
*   copy, or redistribute it subject to the terms and conditions of the GNU
*   Lesser General Public License, as published by the Free Software Foundation.
*   A copy of this license accompanies this distribution in the file LICENSE.txt.
*
*   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 Lesser General Public License
*   for more details.
*   
*   @author David R. Damerell (david@nixbioinf.org)
*/
package ac.uk.icl.dell.vaadin.glycanbuilder;

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

import org.vaadin.weelayout.WeeLayout;
import org.vaadin.weelayout.WeeLayout.Direction;

import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.NativeButton;
import com.vaadin.ui.Panel;
import com.vaadin.ui.RichTextArea;
import com.vaadin.ui.Select;

public class ImportStructureFromStringDialog extends Panel {
    private static final long serialVersionUID = -5458440361659452562L;

    Select importTypeSelectField;
    GlycanCanvas theCanvas;
    RichTextArea sequenceInputField;
    NativeButton ok;
    WeeLayout layout;

    List<UserInputEndedListener> userInputEndedListeners = new ArrayList<UserInputEndedListener>();

    ImportStructureFromStringDialog(GlycanCanvas canvas) {
        theCanvas = canvas;

        layout = new WeeLayout(Direction.VERTICAL);

        setContent(layout);

        initComponents();
        installClickListeners();
        layoutComponents();

        setSizeFull();
        layout.setSizeFull();
    }

    private String sequence;

    private void initComponents() {
        importTypeSelectField = new Select("Sequence format", theCanvas.getImportFormats());
        importTypeSelectField.setNewItemsAllowed(false);
        importTypeSelectField.setNullSelectionAllowed(false);

        sequenceInputField = new RichTextArea();
        sequenceInputField.setImmediate(true);
        sequenceInputField.addListener(new Property.ValueChangeListener() {
            private static final long serialVersionUID = -6654910749910048984L;

            @Override
            public void valueChange(ValueChangeEvent event) {
                sequenceInputField.commit();
                sequence = (String) event.getProperty().getValue();
            }
        });

        sequenceInputField.setHeight("90%");
        sequenceInputField.setWidth("100%");

        sequenceInputField.addStyleName("hide-richtext-toolbar");

        ok = new NativeButton("Import");
    }

    private void installClickListeners() {
        ok.addListener(new ClickListener() {
            private static final long serialVersionUID = 4434491616110701535L;

            @Override
            public void buttonClick(ClickEvent event) {
                fireUserInputFinished(false);
            }
        });
    }

    private void layoutComponents() {
        layout.addComponent(sequenceInputField);
        layout.addComponent(importTypeSelectField);
        layout.addComponent(ok);

        layout.setComponentAlignment(sequenceInputField, Alignment.TOP_CENTER);
        layout.setComponentAlignment(importTypeSelectField, Alignment.MIDDLE_CENTER);
        layout.setComponentAlignment(ok, Alignment.BOTTOM_CENTER);
    }

    public void addListener(UserInputEndedListener listener) {
        userInputEndedListeners.add(listener);
    }

    public void removeListener(UserInputEndedListener listener) {
        userInputEndedListeners.remove(listener);
    }

    public void fireUserInputFinished(boolean cancelled) {
        for (UserInputEndedListener listener : userInputEndedListeners) {
            listener.done(cancelled);
        }
    }

    public String getSequenceFormat() {
        return (String) importTypeSelectField.getValue();
    }

    public String getSequenceString() {
        sequence = sequence.replaceAll("<pre>", "");
        sequence = sequence.replaceAll("</pre>", "");
        sequence = sequence.replaceAll("</div>", "\n");
        sequence = sequence.replaceAll("<div>", "");
        sequence = sequence.replaceAll("<br>", "");
        sequence = sequence.replaceAll("&lt;", "<");
        sequence = sequence.replaceAll("&gt;", ">");
        sequence = sequence.replaceAll("&nbsp;", "\t");

        sequence = sequence.replaceAll("<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\">",
                "");
        return sequence;
    }
}