Package org.freeplane.view.swing.features.filepreview

Source Code of org.freeplane.view.swing.features.filepreview.ExternalImagePopupMenu

/*
*  Freeplane - mind map editor
*  Copyright (C) 2008 Dimitry Polivaev
*
*  This file author is Stefan Ott
*
*  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 2 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 org.freeplane.view.swing.features.filepreview;

import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.net.URI;
import java.util.Collection;

import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;

import org.freeplane.core.util.TextUtils;
import org.freeplane.features.map.INodeView;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.Controller;
import org.freeplane.features.url.UrlManager;
import org.freeplane.view.swing.features.progress.mindmapmode.ProgressUtilities;
import org.freeplane.view.swing.map.MainView;
import org.freeplane.view.swing.map.NodeView;

/**
* @author Stefan Ott
*
* This class shows a popup menu for the external image.
*/
class ExternalImagePopupMenu extends JPopupMenu implements MouseListener {
  /**
   *
   */
  private static final long serialVersionUID = 1L;
  private NodeModel node = null;
  private ViewerController viewer = null;
  private JMenuItem remove = null;
  private JMenuItem change = null;
  private JMenuItem open = null;
  private JMenuItem resetZoom = null;

  @Override
  protected void firePopupMenuWillBecomeInvisible() {
    super.firePopupMenuWillBecomeInvisible();
    //  removeAll();
  }

  @Override
  protected void firePopupMenuWillBecomeVisible() {
    super.firePopupMenuWillBecomeVisible();
  }

  /**
   * @return Returns the delete menu item.
   */
  private JMenuItem getRemove() {
    final ProgressUtilities progUtil = new ProgressUtilities();
    if (remove == null) {
      remove = new JMenuItem(TextUtils.getText("ExternalImage_popupMenu_Remove"));
      remove.addActionListener(new ActionListener() {
        public void actionPerformed(final ActionEvent e) {
          final ExternalResource extRes = node.getExtension(ExternalResource.class);
          if (progUtil.hasExternalResource(node) && !progUtil.hasExtendedProgressIcon(node)) {
            viewer.remove(node, extRes);
            NodeView nv = null;
            final Collection<INodeView> invs = Controller.getCurrentController().getModeController()
                .getMapController().getSelectedNode().getViewers();
            for (final INodeView inv : invs) {
              if (inv instanceof NodeView) {
                nv = (NodeView) inv;
                break;
              }
            }
            viewer.deleteViewer(extRes, nv);
            viewer.undoableDeactivateHook(node);
            Controller.getCurrentModeController().getMapController().nodeChanged(node,
                NodeModel.UNKNOWN_PROPERTY, null, null);
          }
        }
      });
    }
    return remove;
  }

  /**
   * @return Returns the open menu item.
   */
  private JMenuItem getOpen() {
    if (open == null) {
      open = new JMenuItem(TextUtils.getText("ExternalImage_popupMenu_Open"));
      open.addActionListener(new ActionListener() {
        public void actionPerformed(final ActionEvent e) {
          final ExternalResource extRes = node.getExtension(ExternalResource.class);
          if(extRes == null)
            return;
          final UrlManager urlManager = Controller.getCurrentModeController().getExtension(
              UrlManager.class);
          urlManager.loadURL(extRes.getUri());
        }
      });
    }
    return open;
  }

  /**
   * @return Returns the change menu item.
   */
  private JMenuItem getChange() {
    final ProgressUtilities progUtil = new ProgressUtilities();
    if (change == null) {
      change = new JMenuItem(TextUtils.getText("ExternalImage_popupMenu_Change"));
      change.addActionListener(new ActionListener() {
        public void actionPerformed(final ActionEvent e) {
          final ExternalResource extRes = (ExternalResource) viewer.createExtension(node);
          if (extRes != null) {
            URI uri = extRes.getAbsoluteUri(node.getMap());
            if (progUtil.hasExternalResource(node) && !progUtil.hasExtendedProgressIcon(node)) {
              viewer.undoableDeactivateHook(node);
              viewer.paste(uri, node, node.isLeft());
            }
          }
        }
      });
    }
    return change;
  }

  /**
   * @return Returns the reset zoom menu item
   */
  private JMenuItem getResetZoom() {
    resetZoom = new JMenuItem(TextUtils.getText("ExternalImage_popupMenu_ResetZoom"));
    final ExternalResource extRes = node.getExtension(ExternalResource.class);
    if ((extRes != null) && (extRes.getZoom() != 1.0f)) {
      resetZoom.setEnabled(true);
    }
    else {
      resetZoom.setEnabled(false);
    }
    resetZoom.addActionListener(new ActionListener() {
      public void actionPerformed(final ActionEvent e) {
        viewer.setZoom(Controller.getCurrentController().getModeController(), node.getMap(), extRes, 1f);
      }
    });
    return resetZoom;
  }

  /**
   * Builds the menu.
   */
  private void make() {
    final ProgressUtilities progUtil = new ProgressUtilities();
    if (progUtil.hasExtendedProgressIcon(node)) {
      removeAll();
      add(getOpen());
      add(getResetZoom());
    }
    else {
      removeAll();
      add(getRemove());
      add(getChange());
      add(getOpen());
      add(getResetZoom());
    }
  }

  protected void maybeShowPopup(final MouseEvent e) {
    MainView mv = null;
    if (e.isPopupTrigger()) {
      for (final Component cmp : e.getComponent().getParent().getComponents()) {
        if (cmp instanceof MainView) {
          mv = (MainView) cmp;
          node = mv.getNodeView().getModel();
          viewer = (Controller.getCurrentController().getModeController().getExtension(
              ViewerController.class));
          break;
        }
      }
      make();
      show(e.getComponent(), e.getX(), e.getY());
    }
  }

  /*
   * (non-Javadoc)
   * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
   */
  public void mouseClicked(final MouseEvent e) {
  }

  /*
   * (non-Javadoc)
   * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
   */
  public void mouseEntered(final MouseEvent e) {
  }

  /*
   * (non-Javadoc)
   * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
   */
  public void mouseExited(final MouseEvent e) {
  }

  public void mousePressed(final MouseEvent e) {
    maybeShowPopup(e);
  }

  public void mouseReleased(final MouseEvent e) {
    maybeShowPopup(e);
  }

  @Override
  public void setVisible(final boolean visible) {
    super.setVisible(visible);
  }
}
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