de.catma.ui.analyzer.querybuilder.FreqPanel.java Source code

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Here is the source code for de.catma.ui.analyzer.querybuilder.FreqPanel.java

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/*   
 *   CATMA Computer Aided Text Markup and Analysis
 *   
 *   Copyright (C) 2009-2013  University Of Hamburg
 *
 *   This program 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.
 *
 *   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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.catma.ui.analyzer.querybuilder;

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

import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalSplitPanel;

import de.catma.queryengine.QueryOptions;
import de.catma.queryengine.querybuilder.QueryTree;
import de.catma.ui.data.util.IntegerValueValidator;
import de.catma.ui.dialog.wizard.ToggleButtonStateListener;

public class FreqPanel extends AbstractSearchPanel {

    private ResultPanel resultPanel;
    private ComboBox freqComparatorCombo;
    private TextField freq1Input;
    private TextField freq2Input;
    private Label andLabel;
    private FreqComparator exactlyFreqComp;

    public FreqPanel(ToggleButtonStateListener toggleButtonStateListener, QueryTree queryTree,
            QueryOptions queryOptions, TagsetDefinitionDictionary tagsetDefinitionDictionary) {
        super(toggleButtonStateListener, queryTree, queryOptions, tagsetDefinitionDictionary);
        initComponents();
        initActions();
        freqComparatorCombo.setValue(exactlyFreqComp);
    }

    private void initActions() {

        resultPanel.addBtShowInPreviewListener(new ClickListener() {
            public void buttonClick(ClickEvent event) {
                showInPreview();
            }

        });

        freqComparatorCombo.addListener(new ValueChangeListener() {

            public void valueChange(ValueChangeEvent event) {
                FreqComparator curComparator = (FreqComparator) freqComparatorCombo.getValue();

                andLabel.setEnabled(curComparator.isRange());
                freq2Input.setEnabled(curComparator.isRange());
                freq2Input.setRequired(curComparator.isRange());
            }
        });
    }

    private void showInPreview() {
        if (freq1Input.isValid() && freq2Input.isValid() && freqComparatorCombo.isValid()) {

            StringBuilder builder = new StringBuilder("freq ");
            FreqComparator curComparator = (FreqComparator) freqComparatorCombo.getValue();
            builder.append(curComparator.getComparator());
            builder.append(" ");
            builder.append(freq1Input.getValue());
            if (curComparator.isRange()) {
                builder.append("-");
                builder.append(freq2Input.getValue());
            }

            if (curQuery != null) {
                queryTree.removeLast();
            }
            curQuery = builder.toString();
            resultPanel.setQuery(curQuery);

            queryTree.add(curQuery);
            onFinish = !isComplexQuery();
            onAdvance = true;
            toggleButtonStateListener.stepChanged(this);
        } else {
            onFinish = false;
            onAdvance = false;
        }

    }

    private void initComponents() {
        VerticalSplitPanel splitPanel = new VerticalSplitPanel();

        Component searchPanel = createSearchPanel();
        splitPanel.addComponent(searchPanel);
        resultPanel = new ResultPanel(queryOptions);
        splitPanel.addComponent(resultPanel);
        addComponent(splitPanel);

        super.initSearchPanelComponents(splitPanel);
    }

    private Component createSearchPanel() {
        HorizontalLayout searchPanel = new HorizontalLayout();
        searchPanel.setMargin(true, false, false, false);

        searchPanel.setSpacing(true);

        List<FreqComparator> freqComparators = new ArrayList<FreqComparator>();
        exactlyFreqComp = new FreqComparator("exactly", "=");
        freqComparators.add(exactlyFreqComp);

        freqComparators.add(new FreqComparator("greaterThan", ">"));
        freqComparators.add(new FreqComparator("lessThan", ">"));
        freqComparators.add(new FreqComparator("greaterOrEqualThan", ">="));
        freqComparators.add(new FreqComparator("lessOrEqualThan", "<="));
        freqComparators.add(new FreqComparator("between", "=", true));

        searchPanel.addComponent(new Label("The word shall appear"));

        freqComparatorCombo = new ComboBox(null, freqComparators);
        freqComparatorCombo.setImmediate(true);
        freqComparatorCombo.setNewItemsAllowed(false);
        freqComparatorCombo.setNullSelectionAllowed(false);
        freqComparatorCombo.setInvalidAllowed(false);

        searchPanel.addComponent(freqComparatorCombo);

        freq1Input = new TextField();
        freq1Input.setImmediate(true);
        freq1Input.addValidator(new IntegerValueValidator(true, false));
        freq1Input.setInvalidAllowed(false);
        freq1Input.setRequired(true);

        searchPanel.addComponent(freq1Input);
        searchPanel.setExpandRatio(freq1Input, 0.5f);

        andLabel = new Label("and");
        searchPanel.addComponent(andLabel);

        freq2Input = new TextField();
        freq2Input.setImmediate(true);
        freq2Input.addValidator(new IntegerValueValidator(false, false));
        freq2Input.setInvalidAllowed(false);
        searchPanel.addComponent(freq2Input);
        searchPanel.setExpandRatio(freq2Input, 0.5f);

        searchPanel.addComponent(new Label("times."));

        return searchPanel;
    }

    @Override
    public String getCaption() {
        return "How frequent shall it be?";
    }

    @Override
    public String toString() {
        return "by frequency";
    }

}