plugins/ui-designer/src/com/intellij/uiDesigner/propertyInspector/editors/IntRegexEditor.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.editors;
  18
  19 import com.intellij.uiDesigner.propertyInspector.renderers.LabelPropertyRenderer;
  20 import com.intellij.uiDesigner.radComponents.RadComponent;
  21 import com.intellij.uiDesigner.radComponents.RadRootContainer;
  22 import com.intellij.uiDesigner.UIDesignerBundle;
  23 import com.intellij.uiDesigner.FormEditingUtil;
  24 import org.jetbrains.annotations.NonNls;
  25
  26 import javax.swing.*;
  27 import java.util.regex.Matcher;
  28 import java.util.regex.Pattern;
  29
  30 /**
  31  * @author yole
  32  */
  33 public class IntRegexEditor<T> extends AbstractTextFieldEditor<T> {
  34   @NonNls private final Pattern myPattern;
  35   private final Class<T> myValueClass;
  36   private final LabelPropertyRenderer<T> myRenderer;
  37   private final int[] myMinValues;
  38
  39   public IntRegexEditor(Class<T> valueClass, LabelPropertyRenderer<T> renderer, final int[] minValues) {
  40     myMinValues = minValues;
  41     myValueClass = valueClass;
  42     myRenderer = renderer;
  43
  44     @NonNls StringBuilder regexBuilder = new StringBuilder("\\[?(-?\\d+)");
  45     for(int i=1; i<myMinValues.length; i++) {
  46       regexBuilder.append(",\\s*(-?\\d+)");
  47     }
  48     regexBuilder.append("\\]?");
  49     myPattern = Pattern.compile(regexBuilder.toString());
  50   }
  51
  52   @Override
  53   protected void setValueFromComponent(final RadComponent component, final T value) {
  54     RadRootContainer root = (RadRootContainer) FormEditingUtil.getRoot(component);
  55     JLabel label = myRenderer.getComponent(root, value, false, false);
  56     myTf.setText(label.getText());
  57   }
  58
  59   public T getValue() throws Exception {
  60     final Matcher matcher = myPattern.matcher(myTf.getText());
  61     if (!matcher.matches()) {
  62       throw new Exception("Incorrect dimension format");
  63     }
  64
  65     Class[] paramTypes = new Class[myMinValues.length];
  66     Integer[] params = new Integer[myMinValues.length];
  67     for(int i=0; i<myMinValues.length; i++) {
  68       paramTypes [i] = int.class;
  69       final int value = Integer.parseInt(matcher.group(i + 1));
  70       if (value < myMinValues [i]) {
  71         throw new RuntimeException(UIDesignerBundle.message("error.value.should.not.be.less", myMinValues [i]));
  72       }
  73       params [i] = value;
  74     }
  75
  76     return myValueClass.getConstructor(paramTypes).newInstance(params);
  77   }
  78 }