com.igormaznitsa.mindmap.plugins.attributes.emoticon.EmoticonVisualAttributePlugin Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of mind-map-swing-panel Show documentation
Swing based panel to show and interact with mind map
The newest version!
/*
 * Copyright (C) 2015-2022 Igor A. Maznitsa
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.igormaznitsa.mindmap.plugins.attributes.emoticon;

import com.igormaznitsa.mindmap.model.Extra;
import com.igormaznitsa.mindmap.model.Topic;
import com.igormaznitsa.mindmap.plugins.api.MindMapPlugin;
import com.igormaznitsa.mindmap.plugins.api.PluginContext;
import com.igormaznitsa.mindmap.plugins.api.Renderable;
import com.igormaznitsa.mindmap.plugins.api.RenderableImage;
import com.igormaznitsa.mindmap.plugins.api.VisualAttributePlugin;
import com.igormaznitsa.mindmap.swing.panel.MindMapPanelConfig;
import com.igormaznitsa.mindmap.swing.panel.utils.MiscIcons;
import com.igormaznitsa.mindmap.swing.panel.utils.Utils;
import java.awt.Image;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;

public class EmoticonVisualAttributePlugin implements VisualAttributePlugin {

  static final String ATTR_KEY = "mmd.emoticon";

  private final Map SCALED_IMAGE_CACHE = new HashMap<>();

  @Override
  public Renderable getScaledImage(final MindMapPanelConfig config,
                                   final Topic topic) {
    final String name = topic.getAttribute(ATTR_KEY);
    if (name == null) {
      return null;
    } else {
      ScaledImage scaled = SCALED_IMAGE_CACHE.get(name);
      if (scaled == null) {
        scaled = new ScaledImage(name, config.getScale());
        SCALED_IMAGE_CACHE.put(name, scaled);
      }
      return scaled.getImage(config.getScale());
    }
  }

  @Override
  public boolean doesTopicContentMatches(Topic topic, File baseFolder,
                                         Pattern pattern,
                                         Set extraTypes) {

    boolean result = false;
    if (extraTypes != null && extraTypes.contains(Extra.ExtraType.NOTE)) {
      final String name = topic.getAttribute(ATTR_KEY);
      if (name != null) {
        result = pattern.matcher(name).find();
      }
    }
    return result;
  }


  @Override
  public boolean onClick(final PluginContext context, final Topic topic,
                         final boolean activeGroupModifier, final int clickCount) {
    return false;
  }

  @Override
  public String getToolTip(final PluginContext context, final Topic topic) {
    return topic.getAttribute(ATTR_KEY);
  }

  @Override
  public boolean isClickable(final PluginContext context, final Topic topic) {
    return false;
  }

  @Override
  public String getAttributeKey() {
    return ATTR_KEY;
  }

  @Override
  public int getOrder() {
    return Integer.MIN_VALUE;
  }

  @Override
  public int compareTo(final MindMapPlugin o) {
    return Integer.compare(this.getOrder(), o.getOrder());
  }

  private static final class ScaledImage {

    private static final int ICON_SIZE = 32;

    private final double BASE_SCALE_X;
    private final double BASE_SCALE_Y;
    private final Image baseImage;
    private double scale = -1.0d;
    private Renderable scaledImage;

    public ScaledImage(final String imageName, final double scale) {
      this.baseImage = MiscIcons.findForName(imageName);
      if (this.baseImage != null) {
        this.BASE_SCALE_X = (double) ICON_SIZE / (double) this.baseImage.getWidth(null);
        this.BASE_SCALE_Y = (double) ICON_SIZE / (double) this.baseImage.getHeight(null);
      } else {
        this.BASE_SCALE_X = 1.0d;
        this.BASE_SCALE_Y = 1.0d;
      }
      getImage(scale);
    }

    public Renderable getImage(final double scale) {
      final Renderable result;
      if (this.baseImage == null || Double.compare(this.scale, scale) == 0) {
        result = this.scaledImage;
      } else {
        this.scale = scale;
        final Image scaled = Utils.scaleImage(this.baseImage, BASE_SCALE_X, BASE_SCALE_Y, scale);
        if (scaled == null) {
          result = null;
          this.scaledImage = null;
        } else {
          this.scaledImage = new RenderableImage(scaled);
          result = this.scaledImage;
        }
      }
      return result;
    }

  }

}