Package com.eteks.sweethome3d.viewcontroller

Source Code of com.eteks.sweethome3d.viewcontroller.PhotoController$CameraChangeListener

/*
* PhotoController.java 5 mai 2009
*
* Sweet Home 3D, Copyright (c) 2009 Emmanuel PUYBARET / eTeks <info@eteks.com>
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
package com.eteks.sweethome3d.viewcontroller;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.lang.ref.WeakReference;

import com.eteks.sweethome3d.model.AspectRatio;
import com.eteks.sweethome3d.model.Camera;
import com.eteks.sweethome3d.model.Home;
import com.eteks.sweethome3d.model.HomeEnvironment;
import com.eteks.sweethome3d.model.UserPreferences;

/**
* The controller of the photo creation view.
* @author Emmanuel Puybaret
*/
public class PhotoController implements Controller {
  /**
   * The properties that may be edited by the view associated to this controller.
   */
  public enum Property {ASPECT_RATIO, WIDTH, HEIGHT, QUALITY, VIEW_3D_ASPECT_RATIO, TIME, LENS, CEILING_LIGHT_COLOR}
 
  private final Home                  home;
  private final UserPreferences       preferences;
  private final View                  view3D;
  private final ViewFactory           viewFactory;
  private final ContentManager        contentManager;
  private final PropertyChangeSupport propertyChangeSupport;
  private final CameraChangeListener  cameraChangeListener;
  private DialogView                  photoView;
 
  private AspectRatio                 aspectRatio;
  private int                         width;
  private int                         height;
  private int                         quality;
  private float                       view3DAspectRatio;
  private long                        time;
  private Camera.Lens                 lens; 
  private int                         ceilingLightColor;

  public PhotoController(Home home,
                         UserPreferences preferences,
                         View view3D, ViewFactory viewFactory,
                         ContentManager contentManager) {
    this.home = home;
    this.preferences = preferences;
    this.view3D = view3D;
    this.viewFactory = viewFactory;
    this.contentManager = contentManager;
    this.propertyChangeSupport = new PropertyChangeSupport(this);
   
    this.cameraChangeListener = new CameraChangeListener(this);
    home.getCamera().addPropertyChangeListener(this.cameraChangeListener);
    home.addPropertyChangeListener(Home.Property.CAMERA, new HomeCameraChangeListener(this));
    home.getEnvironment().addPropertyChangeListener(HomeEnvironment.Property.CEILING_LIGHT_COLOR, new HomeEnvironmentChangeListener(this));
    updateProperties();
  }

  /**
   * Home camera listener that updates properties when home camera changes. This listener is bound to this controller
   * with a weak reference to avoid strong link between home and this controller. 
   */
  private static class HomeCameraChangeListener implements PropertyChangeListener {
    private WeakReference<PhotoController> photoController;
   
    public HomeCameraChangeListener(PhotoController photoController) {
      this.photoController = new WeakReference<PhotoController>(photoController);
    }
   
    public void propertyChange(PropertyChangeEvent ev) {
      // If controller was garbage collected, remove this listener from home
      final PhotoController controller = this.photoController.get();
      if (controller == null) {
        ((Home)ev.getSource()).removePropertyChangeListener(Home.Property.CAMERA, this);
      } else {
        ((Camera)ev.getOldValue()).removePropertyChangeListener(controller.cameraChangeListener);
        controller.updateProperties();
        ((Camera)ev.getNewValue()).addPropertyChangeListener(controller.cameraChangeListener);
      }
    }
  }

  /**
   * Camera listener that updates properties when camera changes. This listener is bound to this controller
   * with a weak reference to avoid strong link between home and this controller. 
   */
  private static class CameraChangeListener implements PropertyChangeListener {
    private WeakReference<PhotoController> photoController;
   
    public CameraChangeListener(PhotoController photoController) {
      this.photoController = new WeakReference<PhotoController>(photoController);
    }
   
    public void propertyChange(PropertyChangeEvent ev) {
      // If controller was garbage collected, remove this listener from camera
      final PhotoController controller = this.photoController.get();
      if (controller == null) {
        ((Camera)ev.getSource()).removePropertyChangeListener(this);
      } else {
        controller.updateProperties();
      }
    }
  }

  /**
   * Home environment listener that updates properties. This listener is bound to this controller
   * with a weak reference to avoid strong link between home and this controller. 
   */
  private static class HomeEnvironmentChangeListener implements PropertyChangeListener {
    private WeakReference<PhotoController> photoController;
   
    public HomeEnvironmentChangeListener(PhotoController photoController) {
      this.photoController = new WeakReference<PhotoController>(photoController);
    }
   
    public void propertyChange(PropertyChangeEvent ev) {
      // If controller was garbage collected, remove this listener from home
      final PhotoController controller = this.photoController.get();
      if (controller == null) {
        ((HomeEnvironment)ev.getSource()).removePropertyChangeListener(HomeEnvironment.Property.CEILING_LIGHT_COLOR, this);
      } else if (ev.getPropertyName().equals(Camera.Property.LENS.name())
            || ev.getPropertyName().equals(Camera.Property.TIME.name())) {
          controller.updateProperties();
      }
    }
  }

  /**
   * Returns the view associated with this controller.
   */
  public DialogView getView() {
    // Create view lazily only once it's needed
    if (this.photoView == null) {
      this.photoView = this.viewFactory.createPhotoView(this.home, this.preferences, this);
    }
    return this.photoView;
  }

  /**
   * Displays the view controlled by this controller.
   */
  public void displayView(View parentView) {
    getView().displayView(parentView);
  }

  /**
   * Returns the content manager of this controller.
   */
  public ContentManager getContentManager() {
    return this.contentManager;
  }

  /**
   * Adds the property change <code>listener</code> in parameter to this controller.
   */
  public void addPropertyChangeListener(Property property, PropertyChangeListener listener) {
    this.propertyChangeSupport.addPropertyChangeListener(property.name(), listener);
  }

  /**
   * Removes the property change <code>listener</code> in parameter from this controller.
   */
  public void removePropertyChangeListener(Property property, PropertyChangeListener listener) {
    this.propertyChangeSupport.removePropertyChangeListener(property.name(), listener);
  }

  /**
   * Updates edited properties from the photo creation preferences.
   */
  protected void updateProperties() {
    HomeEnvironment homeEnvironment = this.home.getEnvironment();
    setAspectRatio(homeEnvironment.getPhotoAspectRatio());
    setWidth(homeEnvironment.getPhotoWidth(), false);
    setHeight(homeEnvironment.getPhotoHeight(), false);
    setQuality(homeEnvironment.getPhotoQuality());
    setTime(this.home.getCamera().getTime());
    setLens(this.home.getCamera().getLens());
    setCeilingLightColor(homeEnvironment.getCeillingLightColor());
    this.view3DAspectRatio = 1;
  }
 
  /**
   * Sets the aspect ratio of the photo.
   */
  public void setAspectRatio(AspectRatio aspectRatio) {
    if (this.aspectRatio != aspectRatio) {
      AspectRatio oldAspectRatio = this.aspectRatio;
      this.aspectRatio = aspectRatio;
      this.propertyChangeSupport.firePropertyChange(Property.ASPECT_RATIO.name(), oldAspectRatio, aspectRatio);
      this.home.getEnvironment().setPhotoAspectRatio(this.aspectRatio);
      if (this.aspectRatio == AspectRatio.VIEW_3D_RATIO) {
        setHeight(Math.round(width / this.view3DAspectRatio), false);
      } else if (this.aspectRatio.getValue() != null) {
        setHeight(Math.round(width / this.aspectRatio.getValue()), false);
      }
    }
  }
 
  /**
   * Returns the aspect ratio of the photo.
   */
  public AspectRatio getAspectRatio() {
    return this.aspectRatio;
  }

  /**
   * Sets the width of the photo.
   */
  public void setWidth(int width) {
    setWidth(width, true);
  }
 
  private void setWidth(int width, boolean updateHeight) {
    if (this.width != width) {
      int oldWidth = this.width;
      this.width = width;
      this.propertyChangeSupport.firePropertyChange(Property.WIDTH.name(), oldWidth, width);
      if (updateHeight) {
        if (this.aspectRatio == AspectRatio.VIEW_3D_RATIO) {
          setHeight(Math.round(width / this.view3DAspectRatio), false);
        } else if (this.aspectRatio.getValue() != null) {
          setHeight(Math.round(width / this.aspectRatio.getValue()), false);
        }
      }
      this.home.getEnvironment().setPhotoWidth(this.width);
    }
  }
 
  /**
   * Returns the width of the photo.
   */
  public int getWidth() {
    return this.width;
  }

  /**
   * Sets the height of the photo.
   */
  public void setHeight(int height) {
    setHeight(height, true);
  }
 
  private void setHeight(int height, boolean updateWidth) {
    if (this.height != height) {
      int oldHeight = this.height;
      this.height = height;
      this.propertyChangeSupport.firePropertyChange(Property.HEIGHT.name(), oldHeight, height);
      if (updateWidth) {
        if (this.aspectRatio == AspectRatio.VIEW_3D_RATIO) {
          setWidth(Math.round(height * this.view3DAspectRatio), false);
        } else if (this.aspectRatio.getValue() != null) {
          setWidth(Math.round(height * this.aspectRatio.getValue()), false);
        }
      }
      this.home.getEnvironment().setPhotoHeight(this.height);
    }
  }
 
  /**
   * Returns the height of the photo.
   */
  public int getHeight() {
    return this.height;
  }

  /**
   * Sets the rendering quality of the photo.
   */
  public void setQuality(int quality) {
    if (this.quality != quality) {
      int oldQuality = this.quality;
      this.quality = Math.min(quality, getQualityLevelCount() - 1);
      this.propertyChangeSupport.firePropertyChange(Property.QUALITY.name(), oldQuality, quality);
      this.home.getEnvironment().setPhotoQuality(this.quality);
    }
  }
 
  /**
   * Returns the rendering quality of the photo.
   */
  public int getQuality() {
    return this.quality;
  }

  /**
   * Returns the maximum value for quality.
   */
  public int getQualityLevelCount() {
    return 4;
  }
 
 
  /**
   * Sets the edited time in UTC time zone.
   */
  public void setTime(long time) {
    if (this.time != time) {
      long oldTime = this.time;
      this.time = time;
      this.propertyChangeSupport.firePropertyChange(Property.TIME.name(), oldTime, time);
      this.home.getCamera().setTime(time);
    }
  }
 
  /**
   * Returns the edited time in UTC time zone.
   */
  public long getTime() {
    return this.time;
  }

  /**
   * Sets the edited camera lens.
   */
  public void setLens(Camera.Lens lens) {
    if (this.lens != lens) {
      Camera.Lens oldLens = this.lens;
      this.lens = lens;
      this.propertyChangeSupport.firePropertyChange(Property.LENS.name(), oldLens, lens);
      if (lens == Camera.Lens.SPHERICAL) {
        setAspectRatio(AspectRatio.RATIO_2_1);
      } else if (lens == Camera.Lens.FISHEYE) {
        setAspectRatio(AspectRatio.SQUARE_RATIO);
     
      this.home.getCamera().setLens(this.lens);
    }
  }
 
  /**
   * Returns the edited camera lens.
   */
  public Camera.Lens getLens() {   
    return this.lens;
  }
 
  /**
   * Sets the edited ceiling light color.
   */
  public void setCeilingLightColor(int ceilingLightColor) {
    if (this.ceilingLightColor != ceilingLightColor) {
      int oldCeilingLightColor = this.ceilingLightColor;
      this.ceilingLightColor = ceilingLightColor;
      this.propertyChangeSupport.firePropertyChange(Property.CEILING_LIGHT_COLOR.name(), oldCeilingLightColor, ceilingLightColor);
      this.home.getEnvironment().setCeillingLightColor(ceilingLightColor);
    }
  }
 
  /**
   * Returns the edited ceiling light color.
   */
  public int getCeilingLightColor() {
    return this.ceilingLightColor;
  }

  /**
   * Sets the aspect ratio of the 3D view.
   */
  public void set3DViewAspectRatio(float view3DAspectRatio) {
    if (this.view3DAspectRatio != view3DAspectRatio) {
      float oldAspectRatio = this.view3DAspectRatio;
      this.view3DAspectRatio = view3DAspectRatio;
      this.propertyChangeSupport.firePropertyChange(Property.ASPECT_RATIO.name(), oldAspectRatio, view3DAspectRatio);
      if (this.aspectRatio == AspectRatio.VIEW_3D_RATIO) {
        setHeight(Math.round(this.width / this.view3DAspectRatio), false);
      }
    }
  }
 
  /**
   * Returns the aspect ratio of the 3D view.
   */
  public float get3DViewAspectRatio() {
    return this.view3DAspectRatio;
  }


  /**
   * Returns the 3D view used to compute aspect ratio bound to it.
   */
  public View get3DView() {
    return this.view3D;
  }

  /**
   * Controls the change of value of a visual property in home.
   */
  public void setVisualProperty(String propertyName,
                                Object propertyValue) {
    this.home.setVisualProperty(propertyName, propertyValue);
  }
}
TOP

Related Classes of com.eteks.sweethome3d.viewcontroller.PhotoController$CameraChangeListener

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.