ZoomToolBar.java

/*******************************************************************************
 * Copyright (c) 2016 Weasis Team and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Nicolas Roduit - initial API and implementation
 *******************************************************************************/
package org.weasis.core.ui.editor.image;

import java.awt.GraphicsConfiguration;
import java.awt.Window;
import java.util.ArrayList;
import java.util.List;

import javax.swing.ImageIcon;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JToggleButton;
import javax.swing.SwingUtilities;

import org.weasis.core.api.gui.util.ActionState;
import org.weasis.core.api.gui.util.ActionW;
import org.weasis.core.api.gui.util.DropButtonIcon;
import org.weasis.core.api.gui.util.DropDownButton;
import org.weasis.core.api.gui.util.SliderChangeListener;
import org.weasis.core.api.gui.util.ToggleButtonListener;
import org.weasis.core.api.service.AuditLog;
import org.weasis.core.ui.Messages;
import org.weasis.core.ui.editor.image.dockable.MeasureTool;
import org.weasis.core.ui.pref.Monitor;
import org.weasis.core.ui.util.WtoolBar;

@SuppressWarnings("serial")
public class ZoomToolBar extends WtoolBar {

    public ZoomToolBar(final ImageViewerEventManager<?> eventManager, int index, boolean showLens) {
        super(Messages.getString("ZoomToolBar.zoomBar"), index); //$NON-NLS-1$
        if (eventManager == null) {
            throw new IllegalArgumentException("EventManager cannot be null"); //$NON-NLS-1$
        }

        final DropDownButton zoom = new DropDownButton("zoom", new DropButtonIcon(new ImageIcon(MouseActions.class //$NON-NLS-1$
            .getResource("/icon/32x32/zoom.png")))) { //$NON-NLS-1$

            @Override
            protected JPopupMenu getPopupMenu() {
                return getZoomPopupMenuButton(this, eventManager);
            }
        };
        zoom.setToolTipText(Messages.getString("ZoomToolBar.zoom_type")); //$NON-NLS-1$
        add(zoom);

        ActionState zoomAction = eventManager.getAction(ActionW.ZOOM);
        if (zoomAction != null) {
            zoomAction.registerActionState(zoom);
        }

        if (showLens) {
            final JToggleButton jButtonLens =
                new JToggleButton(new ImageIcon(MouseActions.class.getResource("/icon/32x32/zoom-lens.png"))); //$NON-NLS-1$
            jButtonLens.setToolTipText(Messages.getString("ViewerToolBar.show_lens")); //$NON-NLS-1$
            ActionState lens = eventManager.getAction(ActionW.LENS);
            if (lens instanceof ToggleButtonListener) {
                ((ToggleButtonListener) lens).registerActionState(jButtonLens);
            }
            add(jButtonLens);
        }
    }

    private JPopupMenu getZoomPopupMenuButton(DropDownButton dropDownButton,
        final ImageViewerEventManager<?> eventManager) {
        JPopupMenu popupMouseButtons = new JPopupMenu();
        for (JMenuItem jMenuItem : getZoomListMenuItems(eventManager)) {
            popupMouseButtons.add(jMenuItem);
        }
        return popupMouseButtons;
    }

    public static List<JMenuItem> getZoomListMenuItems(final ImageViewerEventManager<?> eventManager) {

        List<JMenuItem> list = new ArrayList<>();
        final JMenuItem actualZoomMenu = new JMenuItem(Messages.getString("ViewerToolBar.zoom_1"), //$NON-NLS-1$
            new ImageIcon(MouseActions.class.getResource("/icon/22x22/zoom-original.png"))); //$NON-NLS-1$
        actualZoomMenu.addActionListener(e -> {
            ActionState zoom = eventManager.getAction(ActionW.ZOOM);
            if (zoom instanceof SliderChangeListener) {
                ((SliderChangeListener) zoom).setRealValue(1.0);
            }
        });
        list.add(actualZoomMenu);

        ImageViewerPlugin<?> selCt = eventManager.getSelectedView2dContainer();
        Window win = selCt == null ? null : SwingUtilities.getWindowAncestor(selCt);
        if (win != null) {
            GraphicsConfiguration config = win.getGraphicsConfiguration();
            Monitor monitor = MeasureTool.viewSetting.getMonitor(config.getDevice());
            if (monitor != null) {
                double realFactor = monitor.getRealScaleFactor();
                if (realFactor > 0.0) {
                    final JMenuItem realSizeMenu =
                        new JMenuItem(Messages.getString("ZoomToolBar.real_zoom"), new ImageIcon( //$NON-NLS-1$
                            MouseActions.class.getResource("/icon/22x22/zoom-real.png"))); //$NON-NLS-1$
                    realSizeMenu.addActionListener(e -> {
                        /*
                         * Pass the value -100.0 (convention: -100.0 => real world size) directly to the property
                         * change, otherwise the value is adjusted by the BoundedRangeModel
                         */
                        eventManager.firePropertyChange(ActionW.SYNCH.cmd(), null,
                            new SynchEvent(null, ActionW.ZOOM.cmd(), -100.0));
                        AuditLog.LOGGER.info("action:{} val:-100.0", ActionW.ZOOM.cmd()); //$NON-NLS-1$
                    });
                    list.add(realSizeMenu);
                }
            }
        }

        final JMenuItem bestFitMenu = new JMenuItem(Messages.getString("ViewerToolBar.zoom_b"), //$NON-NLS-1$
            new ImageIcon(MouseActions.class.getResource("/icon/22x22/zoom-bestfit.png"))); //$NON-NLS-1$
        bestFitMenu.addActionListener(e -> {
            // Pass the value -200.0 (convention: -200.0 = > best fit zoom value) directly to the property change,
            // otherwise the value is adjusted by the BoundedRangeModel
            eventManager.firePropertyChange(ActionW.SYNCH.cmd(), null,
                new SynchEvent(null, ActionW.ZOOM.cmd(), -200.0));
            AuditLog.LOGGER.info("action:{} val:-200.0", ActionW.ZOOM.cmd()); //$NON-NLS-1$
        });
        list.add(bestFitMenu);

        // final JMenuItem areaZoomMenu =
        // new JMenuItem("Area selection", new ImageIcon(
        // MouseActions.class.getResource("/icon/22x22/zoom-select.png")));
        // areaZoomMenu.addActionListener(new ActionListener() {
        //
        // @Override
        // public void actionPerformed(ActionEvent e) {
        //
        // }
        // });
        // list.add(areaZoomMenu);

        return list;
    }
}