| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.uima.tools.cpm; |
| |
| import java.util.Arrays; |
| |
| import javax.swing.JCheckBox; |
| import javax.swing.JComponent; |
| import javax.swing.JTextField; |
| |
| import org.apache.uima.tools.util.gui.FileSelector; |
| import org.apache.uima.tools.util.gui.ListSelector; |
| |
| /** |
| * Configuration Field class used for representation of resource parameters in dynamically created |
| * MetaDataPanels. |
| * |
| * @see org.apache.uima.tools.cpm.MetaDataPanel |
| */ |
| public class ConfigField { |
| private String parameterName; |
| |
| private String classString; |
| |
| private boolean isMultiValued; |
| |
| private JComponent fieldComponent; |
| |
| private Object originalValue; |
| |
| private Object lastSavedValue; |
| |
| /** |
| * @param pn |
| * Resource parameter name e.g. outputDir |
| * @param cs |
| * String value of Java type used for value e.g. Integer |
| * @param mv |
| * true if the value is a multi-value array |
| * @param c |
| * Component used to represent field - Could be JTextField, JCheckBox, FileSelector or |
| * ListSelector |
| */ |
| public ConfigField(String pn, String cs, boolean mv, JComponent c) { |
| parameterName = pn; |
| classString = cs; |
| isMultiValued = mv; |
| fieldComponent = c; |
| originalValue = getFieldValue(); |
| lastSavedValue = originalValue; |
| } |
| |
| public String getParameterName() { |
| return parameterName; |
| } |
| |
| public String getClassString() { |
| return classString; |
| } |
| |
| public JComponent getFieldComponent() { |
| return fieldComponent; |
| } |
| |
| public boolean isMultiValued() { |
| return isMultiValued; |
| } |
| |
| public Object getFieldValue() { |
| if (fieldComponent instanceof JTextField) { |
| String fieldString = ((JTextField) fieldComponent).getText(); |
| if (classString.equals("Integer")) { |
| try { |
| return Integer.valueOf(fieldString); |
| } catch (NumberFormatException e) { |
| return fieldString; |
| } |
| } else if (classString.equals("Float")) { |
| try { |
| return Float.valueOf(fieldString); |
| } catch (NumberFormatException e) { |
| return fieldString; |
| } |
| } else |
| return fieldString; |
| } else if (fieldComponent instanceof JCheckBox) |
| return Boolean.valueOf(((JCheckBox) fieldComponent).isSelected()); |
| else if (fieldComponent instanceof FileSelector) |
| return ((FileSelector) fieldComponent).getSelected(); |
| else if (fieldComponent instanceof ListSelector) { |
| String[] valueStrings = ((ListSelector) fieldComponent).getValues(); |
| if (valueStrings == null) { |
| return null; |
| } |
| try { |
| if (classString.equals("Integer")) { |
| Integer[] intValues = new Integer[valueStrings.length]; |
| for (int i = 0; i < valueStrings.length; i++) { |
| intValues[i] = Integer.valueOf(valueStrings[i]); |
| } |
| return intValues; |
| } else if (classString.equals("Float")) { |
| Float[] floatValues = new Float[valueStrings.length]; |
| for (int i = 0; i < valueStrings.length; i++) { |
| floatValues[i] = Float.valueOf(valueStrings[i]); |
| } |
| return floatValues; |
| } else { |
| return valueStrings; |
| } |
| } catch (NumberFormatException e) { |
| return valueStrings; |
| } |
| } else |
| return null; |
| } |
| |
| public void setFieldValue(Object fieldValue) { |
| if (fieldComponent instanceof JTextField) { |
| ((JTextField) fieldComponent).setText(fieldValue.toString()); |
| } else if (fieldComponent instanceof JCheckBox) { |
| boolean onOff = "true".equalsIgnoreCase(fieldValue.toString()); |
| ((JCheckBox) fieldComponent).setSelected(onOff); |
| } else if (fieldComponent instanceof FileSelector) |
| ((FileSelector) fieldComponent).setSelected(fieldValue.toString()); |
| else if (isMultiValued) { |
| Object[] vals; |
| if (fieldValue instanceof Object[]) { |
| vals = (Object[]) fieldValue; |
| } else if (fieldValue == null) { |
| vals = new Object[0]; |
| } else { |
| vals = new Object[] { fieldValue }; |
| } |
| ((ListSelector) fieldComponent).populate(vals); |
| } |
| } |
| |
| /** |
| * Returns whether this field has been modified from its original value. This is not affected by |
| * whether the user has saved the new value; for that use isDirty(). |
| */ |
| public boolean isModified() { |
| Object currentValue = getFieldValue(); |
| if (originalValue == null) { |
| return (currentValue != null); |
| } |
| if (originalValue instanceof Object[] && currentValue instanceof Object[]) { |
| return !Arrays.equals((Object[]) originalValue, (Object[]) currentValue); |
| } else { |
| return !originalValue.equals(currentValue); |
| } |
| } |
| |
| /** |
| * Returns whether this field has been modified since the last time the CPE descriptor was saved. |
| */ |
| public boolean isDirty() { |
| Object currentValue = getFieldValue(); |
| if (lastSavedValue == null) { |
| return (currentValue != null); |
| } |
| if (lastSavedValue instanceof Object[] && currentValue instanceof Object[]) { |
| return !Arrays.equals((Object[]) lastSavedValue, (Object[]) currentValue); |
| } else { |
| return !lastSavedValue.equals(currentValue); |
| } |
| } |
| |
| /** |
| * To be called when the CPE descriptor is saved. Sets this field to be not dirty, until it is |
| * next modified. |
| */ |
| public void clearDirty() { |
| lastSavedValue = getFieldValue(); |
| } |
| |
| } |