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

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Here is the source code for de.catma.ui.analyzer.querybuilder.AbstractSearchPanel.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 com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.Component;
import com.vaadin.ui.VerticalLayout;

import de.catma.queryengine.QueryOptions;
import de.catma.queryengine.querybuilder.QueryTree;
import de.catma.ui.dialog.wizard.DynamicWizardStep;
import de.catma.ui.dialog.wizard.ToggleButtonStateListener;

public abstract class AbstractSearchPanel extends VerticalLayout implements DynamicWizardStep {

    private CheckBox cbComplexQuery;
    protected ToggleButtonStateListener toggleButtonStateListener;
    protected QueryTree queryTree;
    protected QueryOptions queryOptions;
    protected TagsetDefinitionDictionary tagsetDefinitionDictionary;

    private ComplexTypeSelectionPanel complexTypeSelectionPanel;
    private SearchTypeSelectionPanel searchTypeSelectionPanel;

    protected boolean onFinish;
    protected boolean onFinishOnly;
    protected boolean onAdvance;
    protected String curQuery = null;

    public AbstractSearchPanel(ToggleButtonStateListener toggleButtonStateListener, QueryTree queryTree,
            QueryOptions queryOptions, TagsetDefinitionDictionary tagsetDefinitionDictionary) {
        this.toggleButtonStateListener = toggleButtonStateListener;
        this.queryTree = queryTree;
        this.queryOptions = queryOptions;
        this.tagsetDefinitionDictionary = tagsetDefinitionDictionary;
        onFinish = false;
        onFinishOnly = true;
        onAdvance = false;
    }

    protected void initSearchPanelComponents(Component content) {
        setSizeFull();
        setSpacing(true);
        cbComplexQuery = new CheckBox("continue to build a complex query");
        cbComplexQuery.setImmediate(true);
        addComponent(cbComplexQuery);

        setExpandRatio(content, 0.99f);
        setExpandRatio(cbComplexQuery, 0.01f);
        setComponentAlignment(cbComplexQuery, Alignment.BOTTOM_RIGHT);

        initSearchPanelActions();
    }

    private void initSearchPanelActions() {
        cbComplexQuery.addListener(new ValueChangeListener() {

            public void valueChange(ValueChangeEvent event) {
                if (cbComplexQuery.booleanValue()) {
                    if (complexTypeSelectionPanel == null) {
                        complexTypeSelectionPanel = new ComplexTypeSelectionPanel(queryTree);
                        searchTypeSelectionPanel = new SearchTypeSelectionPanel(toggleButtonStateListener,
                                queryTree, queryOptions, true, tagsetDefinitionDictionary);
                    }
                    toggleButtonStateListener.getWizard().addStep(complexTypeSelectionPanel);
                    toggleButtonStateListener.getWizard().addStep(searchTypeSelectionPanel);
                } else {
                    if (complexTypeSelectionPanel != null) {
                        toggleButtonStateListener.getWizard().removeStep(searchTypeSelectionPanel);
                        toggleButtonStateListener.getWizard().removeStep(complexTypeSelectionPanel);
                    }
                }

                onFinishOnly = !cbComplexQuery.booleanValue();
                onFinish = (!cbComplexQuery.booleanValue() && (curQuery != null) && !curQuery.isEmpty());

                toggleButtonStateListener.stepChanged(AbstractSearchPanel.this);
            }

        });
    }

    public void addCbComplexQueryListener(ClickListener listener) {
        cbComplexQuery.addListener(listener);
    }

    public void stepActivated(boolean forward) {
        if (forward) {
            if ((curQuery != null) && !curQuery.isEmpty()) {
                queryTree.add(curQuery);
            }
        }
    }

    public void stepDeactivated(boolean forward) {
        if (!forward) {
            cbComplexQuery.setValue(Boolean.FALSE);
            if (curQuery != null) {
                queryTree.removeLast();
            }
        }
    }

    public void stepAdded() {
        /* noop */}

    public boolean onAdvance() {
        return onAdvance;
    }

    public boolean onBack() {
        return true;
    }

    public boolean onFinish() {
        return onFinish;
    }

    public boolean onFinishOnly() {
        return onFinishOnly;
    }

    public boolean isComplexQuery() {
        return cbComplexQuery.booleanValue();
    }

    @Override
    public void attach() {
        super.attach();
        getParent().setHeight("100%");
    }

    public Component getContent() {
        return this;
    }

}