images/src/org/intellij/images/options/impl/EditorOptionsImpl.java

   1 /*
   2  * Copyright 2004-2005 Alexey Efimov
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.intellij.images.options.impl;
  17
  18 import com.intellij.openapi.util.InvalidDataException;
  19 import com.intellij.openapi.util.JDOMExternalizable;
  20 import com.intellij.openapi.util.WriteExternalException;
  21 import org.intellij.images.options.EditorOptions;
  22 import org.intellij.images.options.GridOptions;
  23 import org.intellij.images.options.TransparencyChessboardOptions;
  24 import org.intellij.images.options.ZoomOptions;
  25 import org.jdom.Element;
  26
  27 import java.beans.PropertyChangeSupport;
  28
  29 /**
  30  * Editor options implementation.
  31  *
  32  * @author <a href="mailto:aefimov.box@gmail.com">Alexey Efimov</a>
  33  */
  34 final class EditorOptionsImpl implements EditorOptions, JDOMExternalizable {
  35     private final GridOptions gridOptions;
  36     private final TransparencyChessboardOptions transparencyChessboardOptions;
  37     private final ZoomOptions zoomOptions;
  38
  39     EditorOptionsImpl(PropertyChangeSupport propertyChangeSupport) {
  40         gridOptions = new GridOptionsImpl(propertyChangeSupport);
  41         transparencyChessboardOptions = new TransparencyChessboardOptionsImpl(propertyChangeSupport);
  42         zoomOptions = new ZoomOptionsImpl(propertyChangeSupport);
  43     }
  44
  45     public GridOptions getGridOptions() {
  46         return gridOptions;
  47     }
  48
  49     public TransparencyChessboardOptions getTransparencyChessboardOptions() {
  50         return transparencyChessboardOptions;
  51     }
  52
  53     public ZoomOptions getZoomOptions() {
  54         return zoomOptions;
  55     }
  56
  57     public EditorOptions clone() throws CloneNotSupportedException {
  58         return (EditorOptions)super.clone();
  59     }
  60
  61     public void inject(EditorOptions options) {
  62         gridOptions.inject(options.getGridOptions());
  63         transparencyChessboardOptions.inject(options.getTransparencyChessboardOptions());
  64         zoomOptions.inject(options.getZoomOptions());
  65     }
  66
  67     public boolean setOption(String name, Object value) {
  68         return gridOptions.setOption(name, value) ||
  69                    transparencyChessboardOptions.setOption(name, value) ||
  70                    zoomOptions.setOption(name, value);
  71     }
  72
  73     public void readExternal(Element element) throws InvalidDataException {
  74         ((JDOMExternalizable)gridOptions).readExternal(element);
  75         ((JDOMExternalizable)transparencyChessboardOptions).readExternal(element);
  76         ((JDOMExternalizable)zoomOptions).readExternal(element);
  77     }
  78
  79     public void writeExternal(Element element) throws WriteExternalException {
  80         ((JDOMExternalizable)gridOptions).writeExternal(element);
  81         ((JDOMExternalizable)transparencyChessboardOptions).writeExternal(element);
  82         ((JDOMExternalizable)zoomOptions).writeExternal(element);
  83     }
  84
  85     public boolean equals(Object obj) {
  86         if (obj == this) {
  87             return true;
  88         }
  89         if (!(obj instanceof EditorOptions)) {
  90             return false;
  91         }
  92         EditorOptions otherOptions = (EditorOptions)obj;
  93         GridOptions gridOptions = otherOptions.getGridOptions();
  94         TransparencyChessboardOptions chessboardOptions = otherOptions.getTransparencyChessboardOptions();
  95         ZoomOptions zoomOptions = otherOptions.getZoomOptions();
  96         return gridOptions != null && gridOptions.equals(getGridOptions()) &&
  97             chessboardOptions != null && chessboardOptions.equals(getTransparencyChessboardOptions()) &&
  98             zoomOptions != null && zoomOptions.equals(getZoomOptions());
  99     }
 100
 101     public int hashCode() {
 102         int result;
 103         result = (gridOptions != null ? gridOptions.hashCode() : 0);
 104         result = 29 * result + (transparencyChessboardOptions != null ? transparencyChessboardOptions.hashCode() : 0);
 105         result = 29 * result + (zoomOptions != null ? zoomOptions.hashCode() : 0);
 106         return result;
 107     }
 108 }