xml/dom-openapi/src/com/intellij/util/xml/ui/ChildGenericValueColumnInfo.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   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 com.intellij.util.xml.ui;
  17
  18 import com.intellij.openapi.util.text.StringUtil;
  19 import com.intellij.util.ReflectionUtil;
  20 import com.intellij.util.xml.DomElement;
  21 import com.intellij.util.xml.GenericDomValue;
  22 import com.intellij.util.xml.reflect.DomFixedChildDescription;
  23 import org.jetbrains.annotations.NotNull;
  24
  25 import javax.swing.table.DefaultTableCellRenderer;
  26 import javax.swing.table.TableCellEditor;
  27 import javax.swing.table.TableCellRenderer;
  28
  29 /**
  30  * @author peter
  31  */
  32 public class ChildGenericValueColumnInfo<T extends DomElement> extends DomColumnInfo<T, String> {
  33   private final TableCellEditor myEditor;
  34   private final DomFixedChildDescription myChildDescription;
  35
  36   public ChildGenericValueColumnInfo(final String name,
  37                                      @NotNull final DomFixedChildDescription description,
  38                                      final TableCellRenderer renderer,
  39                                      final TableCellEditor editor) {
  40     super(name, renderer);
  41     myEditor = editor;
  42     myChildDescription = description;
  43   }
  44
  45   public ChildGenericValueColumnInfo(final String name, final DomFixedChildDescription description, final TableCellEditor editor) {
  46     this(name, description, new DefaultTableCellRenderer(), editor);
  47   }
  48
  49   public boolean equals(final Object o) {
  50     if (this == o) return true;
  51     if (o == null || getClass() != o.getClass()) return false;
  52     if (!super.equals(o)) return false;
  53
  54     final ChildGenericValueColumnInfo that = (ChildGenericValueColumnInfo)o;
  55
  56     if (!myChildDescription.equals(that.myChildDescription)) return false;
  57
  58     return true;
  59   }
  60
  61   public int hashCode() {
  62     int result = super.hashCode();
  63     result = 31 * result + myChildDescription.hashCode();
  64     return result;
  65   }
  66
  67   public final TableCellEditor getEditor(T value) {
  68     return myEditor;
  69   }
  70
  71   public final Class<T> getColumnClass() {
  72     return (Class<T>)ReflectionUtil.getRawType(myChildDescription.getType());
  73   }
  74
  75   public TableCellRenderer getCustomizedRenderer(final T domElement, final TableCellRenderer renderer) {
  76     assert domElement.isValid();
  77     return getErrorableCellRenderer(renderer, domElement);
  78   }
  79
  80   public DefaultTableCellRenderer getErrorableCellRenderer(final TableCellRenderer renderer, final T domElement) {
  81     return new ErrorableTableCellRenderer<GenericDomValue>(getGenericValue(domElement), renderer, domElement);
  82   }
  83
  84   public void setValue(final T o, final String aValue) {
  85     getGenericValue(o).setStringValue(aValue);
  86   }
  87
  88   protected final GenericDomValue getGenericValue(final T o) {
  89     return (GenericDomValue)myChildDescription.getValues(o).get(0);
  90   }
  91
  92   public final String valueOf(T object) {
  93     if (!object.isValid()) return null;
  94     final String stringValue = getGenericValue(object).getStringValue();
  95     return StringUtil.isEmpty(stringValue) ? getEmptyValuePresentation(object) : stringValue;
  96   }
  97
  98   protected final DomFixedChildDescription getChildDescription() {
  99     return myChildDescription;
 100   }
 101
 102   protected String getEmptyValuePresentation(T object) {
 103     return "";
 104   }
 105
 106 }