org.geowe.client.local.style.VertexStyleTab.java Source code

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Here is the source code for org.geowe.client.local.style.VertexStyleTab.java

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/*
 * #%L
 * GeoWE Project
 * %%
 * Copyright (C) 2015 - 2016 GeoWE.org
 * %%
 * This file is part of GeoWE.org.
 * 
 * GeoWE 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.
 * 
 * GeoWE 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 GeoWE.  If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */
package org.geowe.client.local.style;

import org.geowe.client.local.messages.UIMessages;
import org.geowe.client.local.model.style.VectorStyleDef;
import org.geowe.client.local.ui.KeyShortcutHandler;
import org.geowe.client.local.ui.VertexStyleComboBox;

import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.RadioButton;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.sencha.gxt.core.client.resources.ThemeStyles;
import com.sencha.gxt.widget.core.client.button.TextButton;
import com.sencha.gxt.widget.core.client.form.FieldLabel;
import com.sencha.gxt.widget.core.client.form.IntegerSpinnerField;
import com.sencha.gxt.widget.core.client.form.TextField;

/**
 * Pestaa de configuracion del estilo de representacion de los vertices, 
 * perteneciente al dialogo de gestion de estilos.
 * 
 * @author Atanasio Muoz (ata@geowe.org)
 *
 */
public class VertexStyleTab extends StyleTab {
    private static final String RADIO_GROUP = "VERTEX_GROUP";

    private VertexStyleComboBox vertexStyle;
    private TextField externalGraphic;
    private RadioButton basicStyleOption;
    private RadioButton advancedStyleOption;
    private IntegerSpinnerField graphicWidth;
    private IntegerSpinnerField graphicHeight;

    @Override
    protected void initializePanel() {
        int fieldWidth = 100;

        vertexStyle = new VertexStyleComboBox(fieldWidth + "px");

        basicStyleOption = new RadioButton(RADIO_GROUP);
        basicStyleOption.setText(" " + UIMessages.INSTANCE.vlswBasicVertexStyle());
        basicStyleOption.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
            @Override
            public void onValueChange(ValueChangeEvent<Boolean> event) {
                vertexStyle.setEnabled(event.getValue());
                externalGraphic.setEnabled(!event.getValue());
                graphicWidth.setEnabled(!event.getValue());
                graphicHeight.setEnabled(!event.getValue());
            }
        });

        externalGraphic = new TextField();
        externalGraphic.setWidth(fieldWidth);
        externalGraphic.setEmptyText(UIMessages.INSTANCE.vlswVertexIconEmptyText());

        graphicWidth = new IntegerSpinnerField();
        graphicWidth.setWidth(fieldWidth / 2);

        graphicHeight = new IntegerSpinnerField();
        graphicHeight.setWidth(fieldWidth / 2);

        advancedStyleOption = new RadioButton(RADIO_GROUP);
        advancedStyleOption.setText(" " + UIMessages.INSTANCE.vlswAdvancedVertexStyle());
        advancedStyleOption.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
            @Override
            public void onValueChange(ValueChangeEvent<Boolean> event) {
                vertexStyle.setEnabled(!event.getValue());
                externalGraphic.setEnabled(event.getValue());
                graphicWidth.setEnabled(event.getValue());
                graphicHeight.setEnabled(event.getValue());
            }
        });

        HorizontalPanel mainPanel = new HorizontalPanel();
        mainPanel.setSpacing(10);

        VerticalPanel basicStyleContainer = new VerticalPanel();
        basicStyleContainer.setSpacing(5);
        basicStyleContainer.add(basicStyleOption);
        basicStyleContainer.add(new FieldLabel(vertexStyle, UIMessages.INSTANCE.vlswVertexStyle()));

        VerticalPanel advancedStyleContainer = new VerticalPanel();
        advancedStyleContainer.setSpacing(5);
        advancedStyleContainer.addStyleName(ThemeStyles.get().style().borderLeft());
        advancedStyleContainer.add(advancedStyleOption);
        advancedStyleContainer.add(new FieldLabel(externalGraphic, UIMessages.INSTANCE.vlswVertexIcon()));
        advancedStyleContainer.add(new FieldLabel(graphicWidth, UIMessages.INSTANCE.vlswVertexIconWidth()));
        advancedStyleContainer.add(new FieldLabel(graphicHeight, UIMessages.INSTANCE.vlswVertexIconHeight()));

        mainPanel.add(basicStyleContainer);
        mainPanel.add(advancedStyleContainer);

        panel.setSpacing(5);
        panel.add(mainPanel);
    }

    public boolean isBasicStyle() {
        return basicStyleOption.getValue();
    }

    public boolean isAdvancedStyle() {
        return advancedStyleOption.getValue();
    }

    public String getVertexStyle() {
        return vertexStyle.getValue() != null ? vertexStyle.getValue().getStyleName() : null;
    }

    public String getExternalGraphic() {
        return externalGraphic.getText();
    }

    public int getGraphicWidth() {
        return graphicWidth.getValue();
    }

    public int getGraphicHeight() {
        return graphicHeight.getValue();
    }

    @Override
    protected void updateStyleData(VectorStyleDef style) {
        basicStyleOption.setValue(style.getPoint().getExternalGraphic() == null, true);
        advancedStyleOption.setValue(style.getPoint().getExternalGraphic() != null, true);
        vertexStyle.setValue(style.getPoint().getVertexStyle());
        externalGraphic.setValue(style.getPoint().getExternalGraphic());
        graphicWidth.setValue(style.getPoint().getGraphicWidth());
        graphicHeight.setValue(style.getPoint().getGraphicHeight());
    }

    @Override
    protected void addKeyShortcut(TextButton button, int keyCode) {
        KeyShortcutHandler keyShortcut = new KeyShortcutHandler(button, keyCode);

        vertexStyle.addKeyDownHandler(keyShortcut);
    }
}