plugins/ui-designer/src/com/intellij/uiDesigner/propertyInspector/properties/IntroListModelProperty.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
  17 package com.intellij.uiDesigner.propertyInspector.properties;
  18
  19 import com.intellij.uiDesigner.UIFormXmlConstants;
  20 import com.intellij.uiDesigner.XmlWriter;
  21 import com.intellij.uiDesigner.propertyInspector.IntrospectedProperty;
  22 import com.intellij.uiDesigner.propertyInspector.PropertyEditor;
  23 import com.intellij.uiDesigner.propertyInspector.PropertyRenderer;
  24 import com.intellij.uiDesigner.propertyInspector.editors.ListModelEditor;
  25 import com.intellij.uiDesigner.propertyInspector.renderers.LabelPropertyRenderer;
  26 import com.intellij.uiDesigner.radComponents.RadComponent;
  27 import com.intellij.uiDesigner.snapShooter.SnapshotContext;
  28 import org.jetbrains.annotations.NonNls;
  29 import org.jetbrains.annotations.NotNull;
  30
  31 import javax.swing.*;
  32 import java.lang.reflect.Method;
  33
  34 /**
  35  * @author yole
  36  */
  37 public class IntroListModelProperty extends IntrospectedProperty<String[]> {
  38   private LabelPropertyRenderer<String[]> myRenderer;
  39   private ListModelEditor myEditor;
  40   @NonNls private static final String CLIENT_PROPERTY_KEY_PREFIX = "IntroListModelProperty_";
  41
  42   public IntroListModelProperty(final String name, final Method readMethod, final Method writeMethod, final boolean storeAsClient) {
  43     super(name, readMethod, writeMethod, storeAsClient);
  44   }
  45
  46   public void write(final String[] value, final XmlWriter writer) {
  47     for(String s: value) {
  48       writer.startElement(UIFormXmlConstants.ELEMENT_ITEM);
  49       writer.addAttribute(UIFormXmlConstants.ATTRIBUTE_VALUE, s);
  50       writer.endElement();
  51     }
  52   }
  53
  54   @NotNull
  55   public PropertyRenderer<String[]> getRenderer() {
  56     if (myRenderer == null) {
  57       myRenderer = new MyRenderer();
  58     }
  59     return myRenderer;
  60   }
  61
  62   public PropertyEditor<String[]> getEditor() {
  63     if (myEditor == null) {
  64       myEditor = new ListModelEditor(getName());
  65     }
  66     return myEditor;
  67   }
  68
  69   @Override public String[] getValue(final RadComponent component) {
  70     final String[] strings = (String[])component.getDelegee().getClientProperty(CLIENT_PROPERTY_KEY_PREFIX + getName());
  71     if (strings == null) {
  72       return new String[0];
  73     }
  74     return strings;
  75   }
  76
  77   @Override protected void setValueImpl(final RadComponent component, final String[] value) throws Exception {
  78     component.getDelegee().putClientProperty(CLIENT_PROPERTY_KEY_PREFIX + getName(), value);
  79     DefaultComboBoxModel model = new DefaultComboBoxModel();
  80     for(String s: value) {
  81       model.addElement(s);
  82     }
  83     invokeSetter(component, model);
  84   }
  85
  86   @Override
  87   public void importSnapshotValue(final SnapshotContext context, final JComponent component, final RadComponent radComponent) {
  88     ListModel listModel;
  89     try {
  90       listModel = (ListModel)myReadMethod.invoke(component, EMPTY_OBJECT_ARRAY);
  91     }
  92     catch (Exception e) {
  93       return;
  94     }
  95     if (listModel == null || listModel.getSize() == 0) return;
  96     String[] values = new String [listModel.getSize()];
  97     for(int i=0; i<listModel.getSize(); i++) {
  98       final Object value = listModel.getElementAt(i);
  99       if (!(value instanceof String)) {
 100         return;
 101       }
 102       values [i] = (String) value;
 103     }
 104     try {
 105       setValue(radComponent, values);
 106     }
 107     catch (Exception e) {
 108       // ignore
 109     }
 110   }
 111
 112   private static class MyRenderer extends LabelPropertyRenderer<String[]> {
 113     @Override protected void customize(final String[] value) {
 114       setText(ListModelEditor.listValueToString(value));
 115     }
 116   }
 117 }